Hoc lieu KHTN 7

["13. Nguy\u00ean nh\u00e2n c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng c\u1ef1c quang l\u00e0? B. Do chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c \u0111i\u1ec7n t\u00edch trong \u0111i\u1ec7n tr\u01b0\u1eddng. A. Do \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 c\u1ee7a c\u00e1c ng\u00f4i sao t\u1edbi Tr\u00e1i \u0110\u1ea5t. D. Do chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ea1t b\u1ee5i trong kh\u00f4ng kh\u00ed. C. Do s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi Hi\u1ec7n t\u01b0\u1ee3ng c\u1ef1c quang xu\u1ea5t hi\u1ec7n tr\u00ean tr\u00e1i \u0111\u1ea5t l\u00e0 do chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ea1t \u0111i\u1ec7n t\u00edch chuy\u1ec3n \u0111\u1ed9ng trong \u0111i\u1ec7n tr\u01b0\u1eddng. 14. G\u00f3c l\u1ec7ch c\u1ee7a c\u1ef1c \u0111\u1ecba t\u1eeb v\u00e0 c\u1ef1c \u0111\u1ecba l\u00ed l\u00e0 bao nhi\u00eau \u0111\u1ed9? A. 21o B. 11o C. Hai c\u1ef1c tr\u00f9ng nhau. D. 31o C\u1ef1c \u0111\u1ecba t\u1eeb v\u00e0 c\u1ef1c \u0111\u1ecba l\u00ed l\u1ec7ch nhau kho\u1ea3ng 11o 15. Nh\u1eadn \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y ch\u00ednh x\u00e1c B. C\u1ef1c \u0111\u1ecba t\u1eeb tr\u00ean Tr\u00e1i \u0110\u1ea5t kh\u00f4ng tr\u00f9ng v\u1edbi c\u00e1c c\u1ef1c \u0111\u1ecba l\u00ed A. Theo th\u1eddi gian c\u1ef1c \u0111\u1ecba t\u1eeb c\u00f3 th\u1ec3 b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c. D. C\u1ef1c \u0111\u1ecba t\u1eeb tr\u00ean Tr\u00e1i \u0111\u1ea5t lu\u00f4n kh\u00f4ng \u0111\u1ed5i theo th\u1eddi gian. C. T\u1eeb tr\u01b0\u1eddng Tr\u00e1i \u0110\u1ea5t m\u1ea1nh \u1edf hai c\u1ef1c \u0111\u1ecba t\u1eeb. C\u1ef1c \u0111\u1ecba t\u1eeb tr\u00ean Tr\u00e1i \u0110\u1ea5t lu\u00f4n thay \u0111\u1ed5i theo th\u1eddi gian c\u00f3 nh\u1eefng l\u00fac c\u1ef1c \u0111\u1ecba t\u1eeb \u0111\u00e3 b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c. Trang 5\/5","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP \u00d4N T\u1eacP CH\u1ee6 \u0110\u1ec0: T\u1eea Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. Nam ch\u00e2m \u0111i\u1ec7n l\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a t\u00ednh ch\u1ea5t B. T\u1eeb tr\u01b0\u1eddng xung quanh Tr\u00e1i \u0110\u1ea5t. A. T\u1eeb tr\u01b0\u1eddng xung quanh nam ch\u00e2m v\u0129nh c\u1eedu. D. T\u1eeb tr\u01b0\u1eddng xung quanh kim lo\u1ea1i b\u1ecb nhi\u1ec5m. C. T\u1eeb tr\u01b0\u1eddng xung quanh d\u00f2ng \u0111i\u1ec7n. Nam ch\u00e2m \u0111i\u1ec7n \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o d\u1ef1a tr\u00ean \u1ee9ng d\u1ee5ng c\u1ee7a t\u00ednh ch\u1ea5t t\u1eeb tr\u01b0\u1eddng t\u1ed3n t\u1ea1i xung quanh d\u00f2ng \u0111i\u1ec7n. 2. Nam ch\u00e2m \u0111i\u1ec7n c\u00f3 l\u1ee3i th\u1ebf h\u01a1n so v\u1edbi nam ch\u00e2m v\u0129nh c\u1eedu do nam ch\u00e2m \u0111i\u1ec7n? A. M\u1ea5t t\u1eeb t\u00ednh khi kh\u00f4ng c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua. B. N\u00f3ng l\u00ean khi c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua. C. C\u00f3 k\u00edch c\u1ee1 nh\u1ecf h\u01a1n nam ch\u00e2m v\u0129nh c\u1eedu. D. Kh\u00f4ng ph\u00e2n chia c\u1ef1c B\u1eafc v\u00e0 c\u1ef1c Nam. Nam ch\u00e2m \u0111i\u1ec7n c\u00f3 l\u1ee3i th\u1ebf h\u01a1n so v\u1edbi nam ch\u00e2m v\u0129nh c\u1eedu do nam ch\u00e2m \u0111i\u1ec7n c\u00f3 th\u1ec3 thay \u0111\u1ed5i v\u00e0 \u0111i\u1ec1u khi\u1ec3n t\u1eeb t\u00ednh, thu\u1eadn ti\u1ec7n trong nghi\u00ean c\u1ee9u v\u00e0 s\u1ea3n xu\u1ea5t. Ng\u01b0\u1ee3c l\u1ea1i nam ch\u00e2m v\u0129nh c\u1eedu r\u1ea5t kh\u00f3 c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u01b0\u1ee3c t\u1eeb t\u00ednh. 3. La b\u00e0n \u0111\u1eb7t \u1edf \u0111\u00e2u cho k\u1ebft qu\u1ea3 k\u00e9m tin c\u1eady nh\u1ea5t A. Gi\u1eefa \u0111\u1ea1i d\u01b0\u01a1ng. B. G\u1ea7n m\u1ed9t nam ch\u00e2m. C. Trong r\u1eebng. D. Trong nh\u00e0. Khi \u0111\u1eb7t la b\u00e0n g\u1ea7n m\u1ed9t thanh nam ch\u00e2m, la b\u00e0n s\u1ebd b\u1ecb l\u1ec7ch h\u01b0\u1edbng v\u00ec ch\u1ecbu t\u00e1c d\u1ee5ng l\u1ef1c t\u1eeb c\u1ee7a nam ch\u00e2m. 4. C\u00e1c ng\u01b0 d\u00e2n \u0111\u00e3 d\u00f9ng d\u1ee5ng c\u1ee5 n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng khi \u0111\u00e1nh b\u1eaft c\u00e1 tr\u00ean bi\u1ec3n c\u1ea3 m\u00eanh m\u00f4ng. A. La b\u00e0n. B. \u0110\u00e8n t\u00edn hi\u1ec7u C. Nam ch\u00e2m. D. B\u1ea3n \u0111\u1ed3. C\u00e1c ng\u01b0 d\u00e2n \u0111\u00e3 s\u1eed d\u1ee5ng la b\u00e0n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng khi \u0111\u00e1nh b\u1eaft c\u00e1 tr\u00ean bi\u1ec3n c\u1ea3 m\u00eanh m\u00f4ng 5. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb tr\u01b0\u1eddng b\u00ean trong \u1ed1ng d\u00e2y mang d\u00f2ng \u0111i\u1ec7n B. L\u00e0 c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c \u1ed1ng c\u00e1ch \u0111\u1ec1u A. L\u00e0 c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng song song v\u1edbi tr\u1ee5c \u1ed1ng c\u00e1ch \u0111\u1ec1u nhau. nhau. D. L\u00e0 c\u00e1c \u0111\u01b0\u1eddng tr\u00f2n \u0111\u1ed3ng t\u00e2m. C. L\u00e0 c\u00e1c \u0111\u01b0\u1eddng xo\u1eafn \u1ed1c. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb b\u00ean trong \u1ed1ng d\u00e2y mang d\u00f2ng \u0111i\u1ec7n l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng th\u1eb3ng song song v\u1edbi tr\u1ee5c \u1ed1ng c\u00e1ch \u0111\u1ec1u nhau. 6. L\u1ef1c n\u00e0o sau \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u1ef1c t\u1eeb? B. L\u1ef1c hai d\u00e2y d\u1eabn mang d\u00f2ng \u0111i\u1ec7n t\u00e1c d\u1ee5ng l\u00ean nhau. D. L\u1ef1c nam ch\u00e2m t\u00e1c d\u1ee5ng l\u00ean d\u00e2y d\u1eabn b\u1eb1ng nh\u00f4m mang A. L\u1ef1c Tr\u00e1i \u0110\u1ea5t t\u00e1c d\u1ee5ng l\u00ean v\u1eadt n\u1eb7ng d\u00f2ng \u0111i\u1ec7n; C. L\u1ef1c Tr\u00e1i \u0110\u1ea5t t\u00e1c d\u1ee5ng l\u00ean kim nam ch\u00e2m l\u00e0m n\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng theo ph\u01b0\u01a1ng B\u1eafc - Nam L\u1ef1c Tr\u00e1i \u0110\u1ea5t t\u00e1c d\u1ee5ng l\u00ean v\u1eadt n\u1eb7ng \u2192 L\u1ef1c h\u1ea5p d\u1eabn L\u1ef1c Tr\u00e1i \u0110\u1ea5t t\u00e1c d\u1ee5ng l\u00ean kim nam ch\u00e2m l\u00e0m n\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng theo ph\u01b0\u01a1ng B\u1eafc \u2013 Nam \u2192 L\u1ef1c t\u1eeb L\u1ef1c nam ch\u00e2m t\u00e1c d\u1ee5ng l\u00ean d\u00e2y d\u1eabn b\u1eb1ng nh\u00f4m mang d\u00f2ng \u0111i\u1ec7n \u2192 L\u1ef1c t\u1eeb L\u1ef1c hai d\u00e2y d\u1eabn mang d\u00f2ng \u0111i\u1ec7n t\u00e1c d\u1ee5ng l\u00ean nhau \u2192 L\u1ef1c t\u1eeb, do xung quanh d\u00f2ng \u0111i\u1ec7n c\u00f3 t\u1eeb tr\u01b0\u1eddng Trang 1\/8","7. X\u00e1c \u0111\u1ecbnh t\u00ean c\u00e1c c\u1ef1c c\u1ee7a nam ch\u00e2m, bi\u1ebft r\u1eb1ng chi\u1ec1u \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb c\u1ee7a nam ch\u00e2m ch\u1eef U nh\u01b0 h\u00ecnh v\u1ebd. A. 1 l\u00e0 c\u1ef1c B\u1eafc, 2 l\u00e0 c\u1ef1c Nam. B. 2 l\u00e0 c\u1ef1c T\u00e2y, 1 l\u00e0 c\u1ef1c \u0110\u00f4ng. C. 2 l\u00e0 c\u1ef1c \u0110\u00f4ng, 1 l\u00e0 c\u1ef1c T\u00e2y. D. 1 l\u00e0 c\u1ef1c Nam, 2 l\u00e0 c\u1ef1c B\u1eafc. H\u00ecnh d\u1ea1ng \u0111\u01b0\u1eddng s\u1ee9c b\u00ean trong l\u00f2ng nam ch\u00e2m ch\u1eef U l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng th\u1eb3ng song song, \u0111i ra t\u1eeb c\u1ef1c B\u1eafc v\u00e0 \u0111i v\u00e0o c\u1ef1c Nam. 8. Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang? B. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb lu\u00f4n l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng cong k\u00edn. D. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb c\u1ee7a t\u1eeb tr\u01b0\u1eddng \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0 nh\u1eefng A. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb lu\u00f4n l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng tr\u00f2n \u0111\u1ed3ng t\u00e2m \u0111\u01b0\u1eddng cong c\u00e1ch \u0111\u1ec1u nhau. C. C\u00e1c \u0111\u01b0\u1eddng m\u1ea1t s\u1eaft c\u1ee7a t\u1eeb ph\u1ed5 ch\u00ednh l\u00e0 c\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng cong k\u00ed, m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng song song ho\u1eb7c th\u1eb3ng d\u00e0i v\u00f4 h\u1ea1n. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb c\u00f3 chi\u1ec1u \u0111i ra t\u1eeb c\u1ef1c B\u1eafc, \u0111i v\u00e0o t\u1eeb c\u1ef1c Nam H\u00ecnh \u1ea3nh c\u1ee7a t\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n tr\u00ean m\u1ea1t s\u1eaft, c\u00e1c \u0111\u01b0\u1eddng m\u1ea1t s\u1eaft ch\u00ednh l\u00e0 h\u00ecnh \u1ea3nh c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb. 9. \u0110\u01b0\u1eddng s\u1ee9c t\u1eeb c\u00f3 d\u1ea1ng l\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng, song song, c\u00f9ng chi\u1ec1u c\u00e1ch \u0111\u1ec1u nhau xu\u1ea5t hi\u1ec7n A. Trong l\u00f2ng c\u1ee7a m\u1ed9t cu\u1ed9n d\u00e2y mang d\u00f2ng \u0111i\u1ec7n B. Xung quanh m\u1ed9t thanh nam ch\u00e2m th\u1eb3ng C. Xung quanh m\u1ed9t d\u00f2ng \u0111i\u1ec7n tr\u00f2n. D. Xung quanh d\u00f2ng \u0111i\u1ec7n th\u1eb3ng \u0110\u01b0\u1eddng s\u1ee9c t\u1eeb c\u00f3 d\u1ea1ng l\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng, song song, c\u00f9ng chi\u1ec1u c\u00e1ch \u0111\u1ec1u nhau xu\u1ea5t hi\u1ec7n trong l\u00f2ng c\u1ee7a nam ch\u00e2m ch\u1eef U ho\u1eb7c trong l\u00f2ng c\u1ee7a m\u1ed9t cu\u1ed9n d\u00e2y mang d\u00f2ng \u0111i\u1ec7n. 10. Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 kh\u00f4ng \u0111\u00fang? B. Qua b\u1ea5t k\u1ef3 \u0111i\u1ec3m n\u00e0o trong t\u1eeb tr\u01b0\u1eddng ta c\u0169ng c\u00f3 th\u1ec3 v\u1ebd A. \u0110\u01b0\u1eddng s\u1ee9c t\u1eeb do nam ch\u00e2m th\u1eb3ng t\u1ea1o ra xung quanh \u0111\u01b0\u1ee3c m\u1ed9t \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb. n\u00f3 l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng th\u1eb3ng. C. \u0110\u01b0\u1eddng s\u1ee9c mau \u1edf n\u01a1i c\u00f3 t\u1eeb tr\u01b0\u1eddng m\u1ea1nh, \u0111\u01b0\u1eddng s\u1ee9c D. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng cong k\u00edn. th\u01b0a \u1edf n\u01a1i c\u00f3 t\u1eeb tr\u01b0\u1eddng nh\u1ecf. \u0110\u01b0\u1eddng s\u1ee9c t\u1eeb c\u1ee7a nam ch\u00e2m th\u1eb3ng l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng cong k\u00edn, qua m\u1ed9t \u0111i\u1ec3m b\u00ean trong t\u1eeb tr\u01b0\u1eddng ta ch\u1ec9 v\u1ebd \u0111\u01b0\u1ee3c m\u1ed9t \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb \u0111i qua n\u00f3. Khu v\u1ef1c t\u1eeb tr\u01b0\u1eddng m\u1ea1nh c\u00f3 \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb mau, t\u1eeb tr\u01b0\u1eddng y\u1ebfu th\u00ec \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb th\u01b0a 11. Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y ch\u01b0a ch\u00ednh x\u00e1c. Ng\u01b0\u1eddi ta nh\u1eadn ra t\u1eeb tr\u01b0\u1eddng t\u1ed3n t\u1ea1i xung quanh d\u00e2y d\u1eabn mang d\u00f2ng \u0111i\u1ec7n v\u00ec: A. C\u00f3 l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t kim nam ch\u00e2m \u0111\u1eb7t song song B. C\u00f3 l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t h\u1ea1t mang \u0111i\u1ec7n \u0111\u1ee9ng y\u00ean \u0111\u1eb7t c\u1ea1nh n\u00f3. b\u00ean c\u1ea1nh n\u00f3. C. C\u00f3 l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t h\u1ea1t mang \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed9ng D. C\u00f3 l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t d\u00f2ng \u0111i\u1ec7n kh\u00e1c \u0111\u1eb7t song song d\u1ecdc theo n\u00f3. c\u1ea1nh n\u00f3. Ng\u01b0\u1eddi ta nh\u1eadn ra t\u1eeb tr\u01b0\u1eddng t\u1ed3n t\u1ea1i xung quanh d\u00e2y d\u1eabn mang d\u00f2ng \u0111i\u1ec7n v\u00ec C\u00f3 l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t d\u00f2ng \u0111i\u1ec7n kh\u00e1c \u0111\u1eb7t song song c\u1ea1nh n\u00f3 \u2192 Do xung quanh d\u00f2ng \u0111i\u1ec7n c\u00f3 t\u1eeb tr\u01b0\u1eddng C\u00f3 l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t kim nam ch\u00e2m \u0111\u1eb7t song song c\u1ea1nh n\u00f3 \u2192 Do xung quanh kim nam ch\u00e2m c\u00f3 t\u1eeb tr\u01b0\u1eddng C\u00f3 l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t h\u1ea1t mang \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed9ng d\u1ecdc theo n\u00f3 Do xung quanh \u0111i\u1ec7n t\u00edch chuy\u1ec3n c\u00f3 t\u1eeb tr\u01b0\u1eddng Xung quanh \u0111i\u1ec7n t\u00edch \u0111\u1ee9ng y\u00ean kh\u00f4ng t\u1ed3n t\u1ea1i t\u1eeb tr\u01b0\u1eddng. 12. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb trong l\u00f2ng nam ch\u00e2m h\u00ecnh ch\u1eef U l\u00e0 A. Nh\u1eefng \u0111\u01b0\u1eddng cong h\u01b0\u1edbng t\u1eeb c\u1ef1c Nam sang c\u1ef1c B\u1eafc. B. Nh\u1eefng \u0111\u01b0\u1eddng th\u1eb3ng h\u01b0\u1edbng t\u1eeb c\u1ef1c Nam sang c\u1ef1c B\u1eafc. C. Nh\u1eefng \u0111\u01b0\u1eddng cong, c\u00e1ch \u0111\u1ec1u nhau. D. Nh\u1eefng \u0111\u01b0\u1eddng th\u1eb3ng song song c\u00e1ch \u0111\u1ec1u nhau. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb trong l\u00f2ng nam ch\u00e2m h\u00ecnh ch\u1eef U l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng th\u1eb3ng song song c\u00e1ch \u0111\u1ec1u nhau. Trang 2\/8","13. X\u00e9t c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh c\u1ee7a loa \u0111i\u1ec7n. B\u1ed9 ph\u1eadn tr\u1ef1c ti\u1ebfp g\u00e2y ra \u00e2m thanh l\u00e0 A. Nam ch\u00e2m B. M\u00e0ng loa C. T\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn tr\u00ean D. Cu\u1ed9n d\u00e2y Trong loa \u0111i\u1ec7n, b\u1ed9 ph\u1eadn tr\u1ef1c ti\u1ebfp t\u1ea1o ra \u00e2m thanh l\u00e0 m\u00e0ng loa, nh\u1eefng b\u1ed9 ph\u1eadn kh\u00e1c t\u00e1c \u0111\u1ed9ng l\u00e0m m\u00e0ng loa rung. 14. T\u1eeb c\u1ef1c B\u1eafc c\u1ee7a Tr\u00e1i \u0110\u1ea5t B. G\u1ea7n v\u1edbi c\u1ef1c Nam \u0111\u1ecba l\u00ed c\u1ee7a Tr\u00e1i \u0110\u1ea5t. A. Tr\u00f9ng v\u1edbi c\u1ef1c Nam \u0111\u1ecba l\u00ed c\u1ee7a Tr\u00e1i \u0110\u1ea5t. D. Tr\u00f9ng v\u1edbi c\u1ef1c B\u1eafc \u0111\u1ecba l\u00ed c\u1ee7a Tr\u00e1i \u0110\u1ea5t. C. G\u1ea7n v\u1edbi c\u1ef1c B\u1eafc \u0111\u1ecba l\u00ed c\u1ee7a Tr\u00e1i \u0110\u1ea5t. C\u1ef1c \u0111\u1ecba t\u1eeb c\u1ee7a Tr\u00e1i \u0110\u1ea5t ng\u01b0\u1ee3c v\u1edbi c\u1ef1c \u0111\u1ecba l\u00ed c\u1ee7a Tr\u00e1i \u0110\u1ea5t. N\u00ean t\u1eeb c\u1ef1c B\u1eafc c\u1ee7a Tr\u00e1i \u0110\u1ea5t g\u1ea7n v\u1edbi c\u1ef1c Nam \u0111\u1ecba l\u00ed c\u1ee7a Tr\u00e1i \u0110\u1ea5t. 15. Chi\u1ec1u d\u00f2ng \u0111i\u1ec7n c\u1ee7a cu\u1ed9n d\u00e2y trong h\u00ecnh v\u1ebd d\u01b0\u1edbi \u0111\u00e2y l\u00e0: A. Chi\u1ec1u t\u1eeb tr\u00e1i sang ph\u1ea3i B. Chi\u1ec1u t\u1eeb tr\u00ean xu\u1ed1ng C. Chi\u1ec1u t\u1eeb ph\u1ea3i sang tr\u00e1i D. Chi\u1ec1u t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean. d\u01b0\u1edbi Trang 3\/8","V\u00ec k\u00ed hi\u1ec7u v\u00f2ng tr\u00f2n v\u00e0 d\u1ea5u ch\u1ea5m l\u00e0 \u0111i ra, v\u00f2ng tr\u00f2n v\u00e0 d\u1ea5u nh\u00e2n l\u00e0 \u0111i v\u00e0o n\u00ean chi\u1ec1u d\u00f2ng \u0111i\u1ec7n c\u1ee7a cu\u1ed9n d\u00e2y l\u00e0 chi\u1ec1u t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi 16. Tr\u00e1i \u0110\u1ea5t l\u00e0 m\u1ed9t nam ch\u00e2m kh\u1ed5ng l\u1ed3 v\u00ec A. Kim c\u1ee7a la b\u00e0n \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t lu\u00f4n ch\u1ec9 theo h\u01b0\u1edbng B. \u1ede Tr\u00e1i \u0110\u1ea5t c\u00f3 nhi\u1ec1u qu\u1eb7ng s\u1eaft. B\u1eafc \u2013 Nam. C. Tr\u00e1i \u0110\u1ea5t c\u00f3 B\u1eafc c\u1ef1c v\u00e0 Nam c\u1ef1c. D. Tr\u00e1i \u0110\u1ea5t h\u00fat m\u1ecdi v\u1eadt v\u1ec1 ph\u00eda n\u00f3. Tr\u00e1i \u0110\u1ea5t l\u00e0 m\u1ed9t nam ch\u00e2m kh\u1ed5ng l\u1ed3 v\u00ec kh\u00f4ng gian b\u00ean trong v\u00e0 xung quanh Tr\u00e1i \u0110\u1ea5t t\u1ed3n t\u1ea1i t\u1eeb tr\u01b0\u1eddng v\u00e0 kim la b\u00e0n \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t lu\u00f4n ch\u1ec9 theo h\u01b0\u1edbng B\u1eafc \u2013 Nam. 17. Ch\u1ecdn c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang. Ng\u01b0\u1eddi ta ch\u1ebf t\u1ea1o m\u1ed9t s\u1ed1 tay n\u1eafm c\u1eeda h\u00ecnh th\u1ee9c gi\u1ed1ng h\u1ec7t nhau. Trong \u0111\u00f3 m\u1ed9t s\u1ed1 tay n\u1eafm l\u00e0m b\u1eb1ng \u0111\u1ed3ng, m\u1ed9t s\u1ed1 l\u00e0m b\u1eb1ng s\u1eaft v\u00e0 m\u1ed9t s\u1ed1 l\u00e0m b\u1eb1ng g\u1ed7 r\u1ed3i m\u1ea1 \u0111\u1ed3ng. \u0110\u1ec3 ph\u00e2n bi\u1ec7t ch\u00fang ta c\u00f3 th\u1ec3: A. D\u00f9ng c\u00e2n, tay n\u1eafm n\u00e0o nh\u1eb9 nh\u1ea5t th\u00ec \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng g\u1ed7 B. \u00c1p d\u1ee5ng c\u1ea3 A v\u00e0 B. m\u1ea1 \u0111\u1ed3ng. C. D\u00f9ng nam ch\u00e2m v\u0129nh c\u1eedu, tay n\u1eafm n\u00e0o b\u1ecb nam ch\u00e2m D. D\u00f9ng nam ch\u00e2m v\u0129nh c\u1eedu, tay n\u1eafm n\u00e0o b\u1ecb nam ch\u00e2m h\u00fat th\u00ec l\u00e0m b\u1eb1ng \u0111\u1ed3ng. h\u00fat th\u00ec l\u00e0m b\u1eb1ng s\u1eaft m\u1ea1 \u0111\u1ed3ng. \u0110\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c n\u1eafm tay c\u1eeda l\u00e0m b\u1eb1ng ch\u1ea5t li\u1ec7u kh\u00e1c nhau ta s\u1eed d\u1ee5ng Nam ch\u00e2m v\u0129nh c\u1eedu, n\u1ebfu b\u1ecb nam ch\u00e2m h\u00fat ch\u1ee9ng t\u1ecf l\u00e0m b\u1eb1ng s\u1eaft m\u1ea1 \u0111\u1ed3ng. S\u1eed d\u1ee5ng c\u00e2n, n\u1eafm tay n\u00e0i nh\u1eb9 nh\u1ea5t th\u00ec \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng g\u1ed7 m\u1ea1 \u0111\u1ed3ng. 18. Ch\u1ecdn ph\u00e1t bi\u1ec3u sai khi m\u00f4 t\u1ea3 t\u1eeb ph\u1ed5 c\u1ee7a m\u1ed9t nam ch\u00e2m th\u1eb3ng. B. D\u00f9ng m\u1ea1t s\u1eaft hay m\u1ea1t nh\u00f4m th\u00ec t\u1eeb ph\u1ed5 \u0111\u1ec1u c\u00f3 d\u1ea1ng A. C\u00e1c \u0111\u01b0\u1eddng cong n\u00e0y n\u1ed1i t\u1eeb c\u1ef1c n\u00e0y sang c\u1ef1c kia c\u1ee7a nh\u01b0 nhau. D. C\u00e1c m\u1ea1t s\u1eaft \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp d\u00e0y h\u01a1n \u1edf hai c\u1ef1c c\u1ee7a nam thanh nam ch\u00e2m. C. C\u00e1c m\u1ea1t s\u1eaft xung quanh nam ch\u00e2m \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp th\u00e0nh ch\u00e2m. nh\u1eefng \u0111\u01b0\u1eddng cong. \u0110\u00e1p \u00e1n ch\u01b0a ch\u00ednh x\u00e1c l\u00e0: D\u00f9ng m\u1ea1t s\u1eaft hay m\u1ea1t nh\u00f4m th\u00ec t\u1eeb ph\u1ed5 \u0111\u1ec1u c\u00f3 d\u1ea1ng nh\u01b0 nhau. V\u00ec nh\u00f4m kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh n\u00ean kh\u00f4ng th\u1ec3 t\u1ea1o h\u00ecnh \u1ea3nh t\u1eeb ph\u1ed5. 19. M\u1ed9t thanh nam ch\u00e2m b\u1ecb g\u00e3y l\u00e0m hai th\u00ec B. M\u1ed7i n\u1eeda \u0111\u1ec1u l\u00e0 m\u1ed9t nam ch\u00e2m v\u00e0 c\u1ef1c c\u1ee7a m\u1ed7i n\u1eeda \u1edf A. C\u1ea3 hai n\u1eeda \u0111\u1ec1u m\u1ea5t t\u1eeb t\u00ednh. ch\u1ed7 \u0111\u1ee9t g\u00e3y c\u00f9ng t\u00ean. C. M\u1ed9t n\u1eeda l\u00e0 c\u1ef1c B\u1eafc, m\u1ed9t n\u1eeda l\u00e0 c\u1ef1c Nam. D. M\u1ed7i n\u1eeda \u0111\u1ec1u l\u00e0 m\u1ed9t nam ch\u00e2m c\u00f3 hai c\u1ef1c B\u1eafc \u2013 Nam. Khi \u0111\u01b0\u1ee3c c\u1eaft th\u00e0nh hai ph\u1ea7n ho\u1eb7c g\u00e3y th\u00e0nh \u0111\u00f4i th\u00ec nam ch\u00e2m ban \u0111\u1ea7u s\u1ebd t\u1ea1o th\u00e0nh hai nam ch\u00e2m nh\u1ecf c\u00f3 \u0111\u1ea7y \u0111\u1ee7 hai c\u1ef1c t\u1eeb. 20. \u0110\u1ec3 ch\u1ebf t\u1ea1o m\u1ed9t nam ch\u00e2m \u0111i\u1ec7n m\u1ea1nh ta c\u1ea7n \u0111i\u1ec1u ki\u1ec7n g\u00ec B. C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n qua \u1ed1ng d\u00e2y l\u1edbn, \u1ed1ng d\u00e2y c\u00f3 A. C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n qua \u1ed1ng d\u00e2y l\u1edbn, \u1ed1ng d\u00e2y c\u00f3 nhi\u1ec1u v\u00f2ng, l\u00f5i b\u1eb1ng s\u1eaft non nhi\u1ec1u v\u00f2ng, l\u00f5i b\u1eb1ng th\u00e9p D. C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n qua \u1ed1ng d\u00e2y l\u1edbn, \u1ed1ng d\u00e2y c\u00f3 \u00edt C. C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n qua \u1ed1ng d\u00e2y l\u1edbn, \u1ed1ng d\u00e2y c\u00f3 \u00edt v\u00f2ng, l\u00f5i b\u1eb1ng th\u00e9p v\u00f2ng, l\u00f5i b\u1eb1ng s\u1eaft non C\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t nam ch\u00e2m \u0111i\u1ec7n c\u00f3 c\u1ea5u t\u1ea1o: Trang 4\/8","21. Nam ch\u00e2m \u0111i\u1ec7n l\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a t\u00ednh ch\u1ea5t? A. T\u1eeb tr\u01b0\u1eddng xung quanh kim lo\u1ea1i b\u1ecb nhi\u1ec5m. B. T\u1eeb tr\u01b0\u1eddng xung quanh Tr\u00e1i \u0110\u1ea5t. C. T\u1eeb tr\u01b0\u1eddng xung quanh d\u00f2ng \u0111i\u1ec7n. D. T\u1eeb tr\u01b0\u1eddng xung quanh nam ch\u00e2m v\u0129nh c\u1eedu. Nam ch\u00e2m \u0111i\u1ec7n ch\u1ebf t\u1ea1o t\u1eeb m\u1ed9t thanh s\u1eaft (v\u1eadt li\u1ec7u t\u1eeb m\u1ec1m) \u0111\u01b0\u1ee3c cu\u1ed1n r\u1ea5t nhi\u1ec1u v\u00f2ng d\u00e2y, khi v\u00f2ng d\u00e2y d\u1ef1a \u0111\u01b0\u1ee3c cung c\u1ea5p \u0111i\u1ec7n th\u00ec s\u1ebd t\u1ea1o th\u00e0nh nam ch\u00e2m. Do v\u1eady nam ch\u00e2m \u0111i\u1ec7n l\u00e0 d\u1ee5ng c\u1ee7a t\u00ednh ch\u1ea5t t\u1eeb tr\u01b0\u1eddng t\u1ed3n t\u1ea1i xung quanh d\u00f2ng \u0111i\u1ec7n. 22. Khi ch\u1ea1m m\u0169i dao b\u1eb1ng th\u00e9p v\u00e0o \u0111\u1ea7u nam ch\u00e2m m\u1ed9t th\u1eddi gian th\u00ec sau \u0111\u00f3 m\u0169i dao h\u00fat \u0111\u01b0\u1ee3c c\u00e1c v\u1ee5n s\u1eaft. Nh\u1eadn \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang? A. Do m\u0169i dao b\u1ecb n\u00f3ng l\u00ean. B. Do m\u0169i dao b\u1ecb nhi\u1ec5m t\u1eeb. C. Do m\u0169i dao b\u1ecb ma s\u00e1t qu\u00e1 m\u1ea1nh. D. Do m\u0169i dao kh\u00f4ng duy tr\u00ec \u0111\u01b0\u1ee3c t\u1eeb t\u00ednh. Khi \u0111\u01b0a m\u0169i dao l\u1ea1i g\u1ea7n \u0111\u1ea7u nam ch\u00e2m th\u00ec m\u0169i dao b\u1ecb nhi\u1ec5m t\u1eeb t\u00ednh, do \u0111\u00f3 n\u00f3 c\u00f3 th\u1ec3 h\u00fat \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 v\u1ee5n s\u1eaft. 23. X\u00e1c \u0111\u1ecbnh t\u00ean c\u1ef1c t\u1eeb c\u1ee7a h\u00ecnh v\u1ebd m\u00f4 ph\u1ecfng t\u1eeb tr\u01b0\u1eddng tr\u00e1i \u0111\u1ea5t sau A. 1 \u2013 \u0110\u00f4ng, 2 - T\u00e2y B. 1 \u2013 B\u1eafc, 2 - Nam C. 1 \u2013 Nam, 2 \u2013 B\u1eafc D. 1 \u2013 T\u00e2y, 2 - \u0110\u00f4ng Trang 5\/8","24. \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ef1c t\u1eeb c\u1ee7a nam ch\u00e2m, m\u1ed9t b\u1ea1n b\u1ed1 tr\u00ed th\u00ed nghi\u1ec7m nh\u01b0 h\u00ecnh v\u1ebd. K\u1ebft lu\u1eadn n\u00e0o sau v\u1ec1 c\u1ef1c c\u1ee7a nam ch\u00e2m l\u00e0 ch\u00ednh x\u00e1c: A. \u0110\u1ea7u A l\u00e0 c\u1ef1c B\u1eafc, \u0111\u1ea7u B l\u00e0 c\u1ef1c Nam. B. \u0110\u1ea7u B l\u00e0 c\u1ef1c B\u1eafc, \u0111\u1ea7u A l\u00e0 c\u1ef1c B\u1eafc. C. \u0110\u1ea7u B l\u00e0 c\u1ef1c Nam, \u0111\u1ea7u A l\u00e0 c\u1ef1c Nam. D. \u0110\u1ea7u A l\u00e0 c\u1ef1c Nam, \u0111\u1ea7u B l\u00e0 c\u1ef1c B\u1eafc. Theo t\u00ednh ch\u1ea5t c\u1ee7a nam ch\u00e2m: C\u00f9ng c\u1ef1c th\u00ec \u0111\u1ea9y nhau, tr\u00e1i c\u1ef1c th\u00ec h\u00fat nhau. V\u1eady \u0111\u1ea7u A l\u00e0 c\u1ef1c B\u1eafc c\u00f2n \u0111\u1ea7u B l\u00e0 c\u1ef1c Nam. 25. V\u1eadt li\u1ec7u n\u00e0o sau \u0111\u00e2y kh\u00f4ng th\u1ec3 d\u00f9ng l\u00e0m nam ch\u00e2m? A. Niken v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a niken. B. C\u00f4 ban v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a c\u00f4 ban. C. Nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a nh\u00f4m. D. S\u1eaft v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a s\u1eaft. Nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a nh\u00f4m kh\u00f4ng ph\u1ea3i l\u00e0 v\u1eadt li\u1ec7u c\u00f3 t\u1eeb t\u00ednh n\u00ean kh\u00f4ng th\u1ec3 t\u1eeb ho\u00e1 c\u00e1c v\u1eadt li\u1ec7u t\u1eeb nh\u00f4m th\u00e0nh nam ch\u00e2m. 26. T\u1eeb tr\u01b0\u1eddng c\u1ee7a nam ch\u00e2m \u0111i\u1ec7n ch\u1ec9 t\u1ed3n t\u1ea1i trong th\u1eddi gian d\u00f2ng \u0111i\u1ec7n ch\u1ea1y trong \u1ed1ng d\u00e2y, d\u00f2ng \u0111i\u1ec7n thay \u0111\u1ed5i th\u00ec t\u1eeb tr\u01b0\u1eddng c\u1ee7a nam ch\u00e2m \u0111i\u1ec7n s\u1ebd? Trang 6\/8","A. Thay \u0111\u1ed5i B. B\u1eb1ng 0 C. Kh\u00f4ng \u0111\u1ed5i D. C\u00e1c \u0111\u00e1p \u00e1n \u0111\u1ec1u sai. T\u1eeb tr\u01b0\u1eddng c\u1ee7a nam ch\u00e2m \u0111i\u1ec7n m\u1ea1nh hay y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ed1 v\u00f2ng d\u00e2y v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n cung c\u1ea5p. Khi d\u00f2ng \u0111i\u1ec7n thay \u0111\u1ed5i th\u00ec t\u1eeb tr\u01b0\u1eddng c\u1ee7a nam ch\u00e2m \u0111i\u1ec7n c\u0169ng s\u1ebd thay \u0111\u1ed5i. 27. \u1ee8ng d\u1ee5ng n\u00e0o sau \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a nam ch\u00e2m: B. L\u1ea5y m\u1ea1t s\u1eaft nh\u1ecf li ti trong m\u1eaft. A. Ch\u1ebf t\u1ea1o l\u01b0\u1edbi l\u1ecdc s\u1eaft trong x\u00e2y d\u1ef1ng. D. S\u1ea3n xu\u1ea5t d\u1ee5ng c\u1ee5 m\u1ed9c. C. S\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng trong r\u1eebng. \u1ee8ng d\u1ee5ng c\u1ee7a nam ch\u00e2m \u0111a d\u1ea1ng, phong ph\u00fa trong nhi\u1ec1u l\u0129nh v\u1ef1c \u0111\u1eddi s\u1ed1ng x\u00e3 h\u1ed9i, t\u1eeb cu\u1ed9c s\u1ed1ng \u0111\u1ebfn s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p, khai th\u00e1c kho\u00e1ng s\u1ea3n, \u2026 M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh nh\u01b0 ch\u1ebf t\u1ea1o la b\u00e0n \u0111\u1ecbnh h\u01b0\u1edbng. Trong b\u1ec7nh vi\u1ec7n, b\u00e1c s\u0129 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb trong \u0111\u00f3 c\u00f3 b\u1ed9 ph\u1eadn nam ch\u00e2m \u0111\u1ec3 l\u1ea5y m\u1ea1t s\u1eaft nh\u1ecf trong m\u1eaft. C\u00e1c k\u1ef9 s\u01b0 d\u1ee5ng nam ch\u00e2m ch\u1ebf t\u1ea1o h\u1ec7 th\u1ed1ng l\u1ecdc s\u1eaft g\u1ecdi l\u00e0 \u201cl\u01b0\u1edbi nam ch\u00e2m l\u1ecdc s\u1eaft\u201d \u0111\u1ec3 gi\u1eef l\u1ea1i c\u00e1c v\u1eadt c\u00f3 t\u1eeb t\u00ednh, gi\u00fap d\u00f2ng s\u1ea3n ph\u1ea9m s\u1ea1ch h\u01a1n v\u00e0 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng x\u1eed l\u00ed ph\u00eda sau. 28. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb quanh d\u00e2y d\u1eabn th\u1eb3ng c\u00f3 d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i ch\u1ea1y qua c\u00f3 d\u1ea1ng: A. Nh\u1eefng v\u00f2ng tr\u00f2n \u0111\u1ed3ng t\u00e2m v\u1edbi t\u00e2m n\u1eb1m t\u1ea1i v\u1ecb tr\u00ed n\u01a1i B. Nh\u1eefng \u0111\u01b0\u1eddng xo\u1eafn \u1ed1c \u0111\u1ed3ng tr\u1ee5c v\u1edbi tr\u1ee5c l\u00e0 d\u00f2ng \u0111i\u1ec7n. d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua C. C\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng song song v\u1edbi d\u00f2ng \u0111i\u1ec7n. D. C\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi d\u00f2ng \u0111i\u1ec7n nh\u01b0 nh\u1eefng nan hoa xe \u0111\u1ea1p. C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb quanh d\u00e2y d\u1eabn th\u1eb3ng c\u00f3 d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i ch\u1ea1y qua c\u00f3 d\u1ea1ng l\u00e0 nh\u1eefng v\u00f2ng v\u00f2ng tr\u00f2n \u0111\u1ed3ng t\u00e2m v\u1edbi t\u00e2m n\u1eb1m t\u1ea1i v\u1ecb tr\u00ed n\u01a1i d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua. 29. X\u00e1c \u0111\u1ecbnh t\u00ean c\u00e1c c\u1ef1c c\u1ee7a nam ch\u00e2m, bi\u1ebft r\u1eb1ng chi\u1ec1u \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb c\u1ee7a nam ch\u00e2m th\u1eb3ng nh\u01b0 h\u00ecnh v\u1ebd. A. 2 l\u00e0 c\u1ef1c T\u00e2y, 1 l\u00e0 c\u1ef1c \u0110\u00f4ng. B. 1 l\u00e0 c\u1ef1c Nam, 2 l\u00e0 c\u1ef1c B\u1eafc. C. 1 l\u00e0 c\u1ef1c B\u1eafc, 2 l\u00e0 c\u1ef1c Nam. D. 2 l\u00e0 c\u1ef1c \u0110\u00f4ng, 1 l\u00e0 c\u1ef1c T\u00e2y. B\u00ean ngo\u00e0i nam ch\u00e2m, \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng cong, h\u00ecnh d\u1ea1ng \u0111\u1ed1i x\u1ee9ng qua tr\u1ee5c c\u1ee7a thanh nam ch\u00e2m, c\u00f3 chi\u1ec1u \u0111i ra t\u1eeb c\u1ef1c b\u1eafc v\u00e0 \u0111i v\u00e0o c\u1ef1c Nam. 30. La b\u00e0n l\u00e0 d\u1ee5ng c\u1ee5 d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh. Trang 7\/8","A. K\u00edch th\u01b0\u1edbc c\u1ee7a b\u00e0n h\u1ecdc. B. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt. C. \u0110\u1ecbnh v\u1ecb v\u1ecb tr\u00ed. D. Ph\u01b0\u01a1ng h\u01b0\u1edbng tr\u00ean m\u1eb7t \u0111\u1ea5t. La b\u00e0n l\u00e0 d\u1ee5ng c\u1ee5 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng tr\u00ean m\u1eb7t \u0111\u1ea5t Trang 8\/8","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP \u00d4N T\u1eacPT\u1ef0 LU\u1eacN CH\u1ee6 \u0110\u1ec0: T\u1eea Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. C\u00f3 hai thanh kim lo\u1ea1i gi\u1ed1ng h\u1ec7t nhau, m\u1ed9t thanh l\u00e0 nam ch\u00e2m v\u00e0 m\u1ed9t thanh l\u00e0 s\u1eaft. Kh\u00f4ng d\u00f9ng b\u1ea5t k\u00ec m\u1ed9t d\u1ee5ng c\u1ee5 n\u00e0o, h\u00e3y n\u00eau c\u00e1c c\u00e1ch ph\u00e2n bi\u1ec7t \u0111\u00e2u l\u00e0 nam ch\u00e2m \u0111\u00e2u l\u00e0 s\u1eaft. \u0110\u1eb7t c\u00e1c thanh kim lo\u1ea1i l\u00ean m\u1ed9t \u0111i\u1ec3m nh\u1ecdn ho\u1eb7c treo l\u00ean d\u00e2y sao cho ch\u00fang \u0111\u1ee9ng th\u0103ng b\u1eb1ng d\u1ecdc theo tr\u1ee5c B\u1eafc \u2013 nam \u0111\u1ecba l\u00ed. Xoay thanh kim lo\u1ea1i theo c\u00e1c ph\u01b0\u01a1ng kh\u00e1c nhau r\u1ed3i gi\u1eef. N\u1ebfu l\u00e0 thanh nam ch\u00e2m th\u00ec khi bu\u00f4ng tay, thanh nam ch\u00e2m s\u1ebd lu\u00f4n c\u1ea7n b\u1eb1ng \u1edf m\u1ed9t h\u01b0\u1edbng x\u00e1c \u0111\u1ecbnh. D\u1ecdc theo tr\u1ee5c B\u1eafc \u2013 Nam c\u1ee7a Tr\u00e1i \u0110\u1ea5t. N\u1ebfu l\u00e0 thanh s\u1eaft th\u00ec khi xoay kh\u1ecfi v\u1ecb tr\u00ed th\u0103ng b\u1eb1ng ban \u0111\u1ea7u, thanh s\u1eaft s\u1ebd th\u0103ng b\u1eb1ng \u1edf v\u1ecb tr\u00ed m\u1edbi. 2. Hai chi\u1ebfc kim (1) v\u00e0 (2) b\u1ecb h\u00fat \u1edf hai \u0111\u1ea7u m\u1ed9t thanh nam ch\u00e2m nh\u01b0 h\u00ecnh v\u1ebd. Khi \u0111\u01b0a hai \u0111\u1ea7u c\u00f2n l\u1ea1i c\u1ee7a kim (1) l\u1ea1i g\u1ea7n kim (2) th\u00ec ch\u00fang h\u00fat hay \u0111\u1ea9y nhau? T\u1ea1i sao? Hai kim b\u1ecb thanh nam ch\u00e2m h\u00fat tr\u1edf th\u00e0nh hai nam ch\u00e2m c\u00f3 \u0111\u1ea7u c\u00f2n l\u1ea1i ng\u01b0\u1ee3c t\u00ean nhau nh\u01b0 h\u00ecnh v\u1ebd. N\u00ean khi \u0111\u01b0a hai \u0111\u1ea7u c\u00f2n l\u1ea1i c\u1ee7a kim (1) v\u00e0 (2) g\u1ea7n nhau th\u00ec ch\u00fang h\u00fat nhau 3. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebfn thanh th\u00e9p th\u00e0nh m\u1ed9t nam ch\u00e2m v\u0129nh c\u1eedu? Gi\u1ea3i th\u00edch. \u0110\u1eb7t thanh th\u00e9p v\u00e0o trong l\u00f2ng \u1ed1ng d\u00e2y d\u1eabn c\u00f3 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u ch\u1ea1y qua. Khi \u0111\u00f3 trong \u1ed1ng d\u00e2y c\u00f3 m\u1ed9t t\u1eeb tr\u01b0\u1eddng h\u01b0\u1edbng theo m\u1ed9t h\u01b0\u1edbng x\u00e1c \u0111\u1ecbnh, thanh th\u00e9p \u0111\u1eb7t tr\u1ecdng s\u1ebd b\u1ecb nhi\u1ec5m t\u1eeb t\u00ednh v\u00e0 s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t nam ch\u00e2m v\u0129nh c\u1eedu. 4. C\u00e1c c\u1ef1c t\u1eeb c\u1ee7a Tr\u00e1i \u0110\u1ea5t c\u00f3 tr\u00f9ng nhau kh\u00f4ng? C\u1ef1c B\u1eafc \u0111\u1ecba l\u00ed n\u1eb1m g\u1ea7n t\u1eeb c\u1ef1c n\u00e0o v\u00e0 th\u1ef1c ch\u1ea5t la b\u00e0n ch\u1ec9 h\u01b0\u1edbng n\u00e0o? C\u00e1c c\u1ef1c t\u1eeb v\u00e0 c\u1ef1c \u0111\u1ecba l\u00ed c\u1ee7a Tr\u00e1i \u0110\u1ea5t kh\u00f4ng tr\u00f9ng nhau. C\u1ef1c B\u1eafc c\u1ee7a t\u1eeb c\u1ef1c Tr\u00e1i \u0110\u1ea5t g\u1ea7n tr\u00f9ng c\u1ef1c Nam \u0111\u1ecba l\u00ed. C\u1ef1c Nam c\u1ee7a t\u1eeb c\u1ef1c Tr\u00e1i \u0110\u1ea5t g\u1ea7n trung c\u1ef1c B\u1eafc \u0111\u1ecba l\u00ed nh\u01b0 h\u00ecnh v\u1ebd. Trang 1\/4","- Kim la b\u00e0n ch\u1ec9 kh\u00f4ng ho\u00e0n to\u00e0n \u0111\u00fang c\u1ef1c B\u1eafc \u0111\u1ecba l\u00ed m\u00e0 h\u01a1i l\u1ec7ch v\u1ec1 ph\u00eda T\u00e2y B\u1eafc. 5. Trong nam ch\u00e2m \u0111i\u1ec7n n\u1ebfu thay l\u00f5i s\u1eaft non b\u1eb1ng l\u00f5i niken th\u00ec t\u1eeb tr\u01b0\u1eddng c\u00f3 m\u1ea1nh h\u01a1n \u1ed1ng d\u00e2y kh\u00f4ng c\u00f3 l\u00f5i hay kh\u00f4ng? T\u1ea1i sao? N\u1ebfu thay l\u00f5i s\u1eaft non b\u1eb1ng l\u00f5i niken th\u00ec t\u1eeb tr\u01b0\u1eddng m\u1ea1nh h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi \u1ed1ng d\u00e2y kh\u00f4ng c\u00f3 l\u00f5i. V\u00ec niken c\u00f3 t\u1eeb t\u00ecnh m\u1ea1nh nh\u01b0 s\u1eaft v\u00e0 th\u00e9p. 6. M\u1ed9t d\u00e2y d\u1eabn \u0111i\u1ec7n ch\u1ea1y qua nh\u00e0. Kh\u00f4ng d\u00f9ng d\u1ee5ng c\u1ee5 \u0111i\u1ec7n, c\u00f3 c\u00e1ch n\u00e0o ph\u00e1t hi\u1ec7n d\u00e2y d\u1eabn c\u00f3 d\u00f2ng \u0111i\u1ec7n hay kh\u00f4ng? \u0110\u01b0a l\u1ea1i g\u1ea7n m\u1ed9t kim nam ch\u00e2m. N\u1ebfu kim nam ch\u00e2m b\u1ecb l\u1ec7ch kh\u1ecfi h\u01b0\u1edbng B\u1eafc \u2013 Nam ban \u0111\u1ea7u c\u1ee7a n\u00f3 th\u00ec d\u00e2y d\u1eabn \u0111ang c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua; c\u00f2n n\u1ebfu kh\u00f4ng b\u1ecb l\u1ec7ch th\u00ec d\u00e2y d\u1eabn kh\u00f4ng c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua. 7. H\u00e3y v\u1ebd kim nam ch\u00e2m n\u1eb1m c\u00e2n b\u1eb1ng \u1edf c\u00e1c v\u1ecb tr\u00ed A, B, C trong t\u1eeb tr\u01b0\u1eddng c\u1ee7a nam ch\u00e2m th\u1eb3ng \u1edf h\u00ecnh sau. V\u1ebd h\u00ecnh nh\u01b0 sau: Trang 2\/4","8. So s\u00e1nh c\u00e1c nam ch\u00e2m \u0111i\u1ec7n \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 \u1edf h\u00ecnh v\u1ebd d\u01b0\u1edbi \u0111\u00e2y. H\u00e3y cho bi\u1ebft nam ch\u00e2m n\u00e0o m\u1ea1nh h\u01a1n? Nam ch\u00e2m n\u00e0o c\u00f3 d\u00f2ng \u0111i\u1ec7n c\u00e0ng l\u1edbn v\u00e0 s\u1ed1 v\u00f2ng d\u00e2y c\u00e0ng nhi\u1ec1u th\u00ec nam ch\u00e2m \u0111\u00f3 c\u00e0ng m\u1ea1nh. V\u1eady, nam ch\u00e2m e m\u1ea1nh nh\u1ea5t, nam ch\u00e2m a y\u1ebfu nh\u1ea5t. C\u00e1c nam ch\u00e2m c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c x\u1ebfp theo th\u1ee9 t\u1ef1 sau: Nam ch\u00e2m a < Nam ch\u00e2m c < Nam ch\u00e2m b < Nam ch\u00e2m d < Nam ch\u00e2m e a, \u0110\u1ea7u A c\u1ee7a nam ch\u00e2m l\u00e0 c\u1ef1c B\u1eafc hay c\u1ef1c Nam? b, Sau \u0111\u00f3 hi\u1ec7n t\u01b0\u1ee3ng g\u00ec x\u1ea3y ra v\u1edbi thanh nam ch\u00e2m? c, Ng\u1eaft c\u00f4ng t\u1eafc K th\u00ec c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng g\u00ec x\u1ea3y ra v\u1edbi nam ch\u00e2m? T\u1ea1i sao? 9. M\u1ed9t \u1ed1ng d\u00e2y \u0111\u01b0\u1ee3c \u0111\u1eb7t sao cho tr\u1ee5c ch\u00ednh c\u1ee7a n\u00f3 n\u1eb1m d\u1ecdc theo thanh nam ch\u00e2m nh\u01b0 h\u00ecnh v\u1ebd. \u0110\u00f3ng c\u00f4ng t\u1eafc K, \u0111\u1ea7u ti\u00ean ta th\u1ea5y nam ch\u00e2m b\u1ecb \u0111\u1ea9y ra xa a. \u0110\u00f3ng c\u00f4ng t\u1eafc K: D\u00f2ng \u0111i\u1ec7n ch\u1ea1y trong d\u00e2y d\u1eabn theo chi\u1ec1u t\u1eeb c\u1ef1c d\u01b0\u01a1ng sang c\u1ef1c \u00e2m. \u00c1p d\u1ee5ng quy t\u1eafc x\u00e1c \u0111\u1ecbnh chi\u1ec1u t\u1eeb tr\u01b0\u1eddng c\u1ee7a \u1ed1ng d\u00e2y, ta th\u1ea5y \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb trong \u1ed1ng d\u00e2y h\u01b0\u1edbng theo chi\u1ec1u t\u1eeb P sang Q. Nh\u01b0 v\u1eady \u0111\u1ea7u Q l\u00e0 c\u1ef1c B\u1eafc c\u1ee7a \u1ed1ng d\u00e2y. N\u1ebfu thanh nam ch\u00e2m \u0111\u00f3 b\u1ecb \u0111\u1ea9y ra xa th\u00ec \u0111\u1ea7u A l\u00e0 c\u1ef1c B\u1eafc. b, Sau \u0111\u00f3 nam ch\u00e2m b\u1ecb quay 180o \u0111\u1ec3 \u0111\u1ea7u B c\u1ee7a nam ch\u00e2m (c\u1ef1c Nam) quay v\u1ec1 g\u1ea7n \u0111\u1ea7u Q c\u1ee7a \u1ed1ng d\u00e2y v\u00e0 nam ch\u00e2m b\u1ecb h\u00fat v\u1ec1 ph\u00eda \u1ed1ng d\u00e2y. D\u00e2y treo nam ch\u00e2m s\u1ebd b\u1ecb l\u1ec7ch kh\u1ecfi ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng m\u1ed9t g\u00f3c n\u00e0o \u0111\u00f3 v\u1ec1 ph\u00eda \u1ed1ng d\u00e2y c, Ng\u1eaft c\u00f4ng t\u1eafc K: \u1ed0ng d\u00e2y m\u1ea5t \u0111i t\u1eeb t\u00ednh, Nam ch\u00e2m kh\u00f4ng b\u1ecb \u1ed1ng d\u00e2y h\u00fat n\u1eefa, khi \u0111\u00f3 d\u00e2y treo nam ch\u00e2m tr\u1edf v\u1ec1 ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng. Trang 3\/4","a. Tr\u00ean H1 c\u1ef1c n\u00e0o c\u1ee7a nam ch\u00e2m h\u01b0\u1edbng v\u1ec1 ph\u00eda \u0111\u1ea7u B c\u1ee7a cu\u1ed9n d\u00e2y b. Tr\u00ean H2 x\u00e1c \u0111\u1ecbnh chi\u1ec1u c\u1ee7a d\u00f2ng \u0111i\u1ec7n ch\u1ea1y trong cu\u1ed9n d\u00e2y. 10. H\u00e3y cho bi\u1ebft trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau: a, Tr\u00ean H1 theo quy t\u1eafc x\u00e1c \u0111\u1ecbnh chi\u1ec1u \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb c\u1ee7a d\u00f2ng \u0111i\u1ec7n trong \u1ed1ng d\u00e2y ta th\u1ea5y chi\u1ec1u c\u1ee7a \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb trong \u1ed1ng d\u00e2y h\u01b0\u1edbng t\u1eeb A sang B. Nh\u01b0 v\u1eady \u0111\u1ea7u B c\u1ee7a \u1ed1ng d\u00e2y l\u00e0 c\u1ef1c B\u1eafc n\u00ean c\u1ef1c Nam c\u1ee7a nam ch\u00e2m h\u01b0\u1edbng v\u1ec1 \u0111\u1ea7u B c\u1ee7a cu\u1ed9n d\u00e2y. b, Tr\u00ean H2 c\u1ef1c B\u1eafc c\u1ee7a nam ch\u00e2m h\u01b0\u1edbng v\u1ec1 \u0111\u1ea7u D c\u1ee7a cu\u1ed9n d\u00e2y n\u00ean \u0111\u1ea7u D c\u1ee7a cu\u1ed9n d\u00e2y l\u00e0 c\u1ef1c Nam. Theo quy t\u1eafc x\u00e1c \u0111\u1ecbnh chi\u1ec1u d\u00f2ng \u0111i\u1ec7n c\u1ee7a \u1ed1ng d\u00e2y ta \u0111\u01b0\u1ee3c chi\u1ec1u d\u00f2ng \u0111i\u1ec7n nh\u01b0 H2. Trang 4\/4","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP B\u00c0I 1: VAI TR\u00d2 C\u1ee6A TRAO \u0110\u1ed4I CH\u1ea4T V\u00c0 CHUY\u1ec2N H\u00d3A N\u0102NG L\u01af\u1ee2NG \u1ede SINH V\u1eacT H\u1ecdc t\u1ed1t Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. Trao \u0111\u1ed5i ch\u1ea5t l\u00e0 B. t\u1eadp h\u1ee3p c\u00e1c bi\u1ebfn \u0111\u1ed5i ho\u00e1 h\u1ecdc ngo\u00e0i m\u00f4i tr\u01b0\u1eddng. D. t\u1eadp h\u1ee3p c\u00e1c bi\u1ebfn \u0111\u1ed5i ho\u00e1 h\u1ecdc trong t\u1ebf b\u00e0o c\u1ee7a c\u01a1 th\u1ec3 A. t\u1eadp h\u1ee3p c\u00e1c bi\u1ebfn \u0111\u1ed5i v\u1eadt l\u00fd gi\u1eefa c\u01a1 th\u1ec3 v\u1edbi m\u00f4i tr\u01b0\u1eddng. sinh v\u1eadt. C. t\u1eadp h\u1ee3p c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a c\u01a1 th\u1ec3 ng\u01b0\u1eddi v\u1edbi t\u1ef1 nhi\u00ean. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trao \u0111\u1ed5i ch\u1ea5t l\u00e0 t\u1eadp h\u1ee3p c\u00e1c bi\u1ebfn \u0111\u1ed5i ho\u00e1 h\u1ecdc trong t\u1ebf b\u00e0o c\u1ee7a c\u01a1 th\u1ec3 sinh v\u1eadt v\u00e0 s\u1ef1 trao \u0111\u1ed5i c\u00e1c ch\u1ea5t gi\u1eefa c\u01a1 th\u1ec3 v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u1ea3m b\u1ea3o duy tr\u00ec s\u1ef1 s\u1ed1ng. 2. N\u0103ng l\u01b0\u1ee3ng cung c\u1ea5p cho qu\u00e1 tr\u00ecnh v\u1eadn \u0111\u1ed9ng c\u1ee7a c\u01a1 th\u1ec3 \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb \u0111\u00e2u? A. N\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t. B. N\u0103ng l\u01b0\u1ee3ng h\u00f3a h\u1ecdc d\u1ef1 tr\u1eef trong c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1. C. N\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng. D. N\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: N\u0103ng l\u01b0\u1ee3ng cung c\u1ea5p cho qu\u00e1 tr\u00ecnh v\u1eadn \u0111\u1ed9ng c\u1ee7a c\u01a1 th\u1ec3 \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb n\u0103ng l\u01b0\u1ee3ng h\u00f3a h\u1ecdc d\u1ef1 tr\u1eef trong c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1. C\u1ee5 th\u1ec3 trong t\u1ebf b\u00e0o th\u00ec n\u0103ng l\u01b0\u1ee3ng t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng c\u00e1c ph\u00e2n t\u1eed ATP, l\u00e0 h\u1ee3p ch\u1ea5t cao n\u0103ng, d\u1ef1 tr\u1eef n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c li\u00ean k\u1ebft ho\u00e1 h\u1ecdc 3. Khi ch\u1ea1y b\u1ed9, c\u01a1 th\u1ec3 con ng\u01b0\u1eddi n\u00f3ng d\u1ea7n l\u00ean. N\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y? A. Nhi\u1ec7t n\u0103ng chuy\u1ec3n h\u00f3a th\u00e0nh h\u00f3a n\u0103ng. B. H\u00f3a n\u0103ng chuy\u1ec3n h\u00f3a th\u00e0nh \u0111\u1ed9ng n\u0103ng. C. H\u00f3a n\u0103ng chuy\u1ec3n h\u00f3a th\u00e0nh nhi\u1ec7t n\u0103ng. D. \u0110\u1ed9ng n\u0103ng chuy\u1ec3n h\u00f3a th\u00e0nh nhi\u1ec7t n\u0103ng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u00e1c n\u0103ng l\u01b0\u1ee3ng trong c\u01a1 th\u1ec3 t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng c\u00e1c li\u00ean k\u1ebft ho\u00e1 h\u1ecdc \u1edf ph\u00e2n t\u1eed ATP. N\u00ean khi ch\u1ea1y b\u1ed9 th\u00ec ATP gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 sinh ra nhi\u1ec7t. \u0110\u00f3 l\u00e0 s\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb ho\u00e1 n\u0103ng th\u00e0nh nhi\u1ec7t n\u0103ng. 4. S\u1ef1 chuy\u1ec3n ho\u00e1 n\u0103ng l\u01b0\u1ee3ng l\u00e0 B. s\u1ef1 bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u01a1 th\u1ec3 n\u00e0y sang c\u01a1 th\u1ec3 kh\u00e1c. A. s\u1ef1 bi\u1ebfn \u0111\u1ed5i ch\u1ea5t v\u00f4 c\u01a1 th\u00e0nh ch\u1ea5t h\u1eefu c\u01a1. D. s\u1ef1 bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng t\u1eeb d\u1ea1ng n\u00e0y sang d\u1ea1ng kh\u00e1c. C. s\u1ef1 bi\u1ebfn \u0111\u1ed5i ch\u1ea5t h\u1eefu c\u01a1 th\u00e0nh ch\u1ea5t v\u00f4 c\u01a1. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: S\u1ef1 bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng t\u1eeb d\u1ea1ng n\u00e0y sang d\u1ea1ng kh\u00e1c g\u1ecdi l\u00e0 s\u1ef1 chuy\u1ec3n ho\u00e1 n\u0103ng l\u01b0\u1ee3ng. 5. Sinh v\u1eadt n\u00e0o d\u01b0\u1edbi \u0111\u00e2y thu\u1ed9c nh\u00f3m sinh v\u1eadt t\u1ef1 d\u01b0\u1ee1ng? A. N\u1ea5m. B. Th\u1ef1c v\u1eadt. C. \u0110\u1ed9ng v\u1eadt. D. Con ng\u01b0\u1eddi. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Th\u1ef1c v\u1eadt l\u00e0 nh\u00f3m sinh v\u1eadt t\u1ef1 d\u01b0\u1ee1ng, c\u00f3 th\u1ec3 chuy\u1ec3n ho\u00e1 n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng th\u00e0nh n\u0103ng l\u01b0\u1ee3ng ho\u00e1 h\u1ecdc th\u00f4ng qua qu\u00e1 tr\u00ecnh quang h\u1ee3p. Trang 1\/4","6. Sinh v\u1eadt n\u00e0o d\u01b0\u1edbi \u0111\u00e2y kh\u00f4ng ph\u1ea3i sinh v\u1eadt t\u1ef1 d\u01b0\u1ee1ng? A. Vi khu\u1ea9n lam. B. Hoa h\u1ed3ng. C. C\u00e1 ch\u00e9p. D. T\u1ea3o l\u1ee5c. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Vi khu\u1ea9n lam, t\u1ea3o l\u1ee5c, hoa h\u1ed3ng \u0111\u1ec1u l\u00e0 c\u00e1c sinh v\u1eadt t\u1ef1 d\u01b0\u1ee1ng do c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng t\u1eeb nh\u1eefng ch\u1ea5t v\u00f4 c\u01a1 \u0111\u01a1n gi\u1ea3n. C\u00f2n c\u00e1 ch\u00e9p l\u00e0 sinh v\u1eadt d\u1ecb d\u01b0\u1ee1ng. 7. T\u00f9y theo ki\u1ec3u trao \u0111\u1ed5i ch\u1ea5t, ng\u01b0\u1eddi ta chia sinh v\u1eadt th\u00e0nh hai nh\u00f3m. \u0110\u00f3 l\u00e0 nh\u1eefng nh\u00f3m n\u00e0o? A. Sinh v\u1eadt t\u1ef1 d\u01b0\u1ee1ng v\u00e0 sinh v\u1eadt d\u1ecb d\u01b0\u1ee1ng. B. Th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9ng v\u1eadt. C. Th\u1ef1c v\u1eadt v\u00e0 sinh v\u1eadt d\u1ecb d\u01b0\u1ee1ng. D. Sinh v\u1eadt t\u1ef1 d\u01b0\u1ee1ng v\u00e0 con ng\u01b0\u1eddi. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: T\u00f9y theo ki\u1ec3u trao \u0111\u1ed5i ch\u1ea5t, ng\u01b0\u1eddi ta chia sinh v\u1eadt th\u00e0nh hai nh\u00f3m: Sinh v\u1eadt t\u1ef1 d\u01b0\u1ee1ng (\u0111\u1ea1i di\u1ec7n l\u00e0 Th\u1ef1c v\u1eadt) v\u00e0 sinh v\u1eadt d\u1ecb d\u01b0\u1ee1ng (\u0111\u1ea1i di\u1ec7n l\u00e0 \u0110\u1ed9ng v\u1eadt). 8. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o sau \u0111\u00e2y ch\u1ec9 xu\u1ea5t hi\u1ec7n \u1edf v\u1eadt s\u1ed1ng c\u00f2n v\u1eadt kh\u00f4ng s\u1ed1ng kh\u00f4ng c\u00f3? I. L\u1edbn l\u00ean. II. Sinh s\u1ea3n. III. Thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc. IV. Trao \u0111\u1ed5i ch\u1ea5t. A. I, II, IV. B. III, IV. C. I, II, III. D. II, III, IV. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: \u1ede v\u1eadt s\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng: Trao \u0111\u1ed5i ch\u1ea5t, l\u1edbn l\u00ean, sinh s\u1ea3n. \u0110\u00e2y l\u00e0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m m\u00e0 v\u1eadt kh\u00f4ng s\u1ed1ng kh\u00f4ng c\u00f3. C\u00f2n v\u1eadt s\u1ed1ng hay v\u1eadt kh\u00f4ng s\u1ed1ng th\u00ec \u0111\u1ec1u c\u00f3 th\u1ec3 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc. 9. C\u01a1 th\u1ec3 ng\u01b0\u1eddi th\u1ea3i ra ch\u1ea5t g\u00ec trong qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t? A. Th\u1ee9c \u0103n. B. N\u01b0\u1edbc u\u1ed1ng. C. Carbodioxide. D. Oxygen. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u01a1 th\u1ebf ng\u01b0\u1eddi trong qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t c\u1ea7n thu nh\u1eadn oxygen, th\u1ee9c \u0103n v\u00e0 n\u01b0\u1edbc u\u1ed1ng cho s\u1ef1 s\u1ed1ng. \u0110\u1ed3ng th\u1eddi th\u1ea3i ra kh\u00ed carbodioxide (CO2). 10. M\u1ecdi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u01a1 th\u1ec3 s\u1ed1ng \u0111\u1ec1u c\u1ea7n c\u00f3 Trang 2\/4","A. \u0111i\u1ec7n. B. n\u0103ng l\u01b0\u1ee3ng. C. ch\u1ea5t v\u00f4 c\u01a1. D. kh\u00ed. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: M\u1ecdi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u01a1 th\u1ec3 s\u1ed1ng \u0111\u1ec1u c\u1ea7n c\u00f3 n\u0103ng l\u01b0\u1ee3ng. 11. C\u01a1 th\u1ec3 \u1edf tr\u1ea1ng th\u00e1i ngh\u1ec9 ng\u01a1i c\u00f3 ti\u00eau d\u00f9ng n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng? B. Kh\u00f4ng v\u00ec khi ngh\u1ec9 ng\u01a1i n\u0103ng l\u01b0\u1ee3ng s\u1ebd b\u1ecb ph\u00e1 v\u1ee1 v\u00e0 A. C\u00f3 v\u00ec c\u01a1 th\u1ec3 v\u1eabn duy tr\u00ec c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1ed3n t\u1ea1i c\u1ee7a c\u01a1 m\u1ea5t \u0111i. th\u1ec3 nh\u01b0 tu\u1ea7n ho\u00e0n, h\u00f4 h\u1ea5p, ti\u00eau h\u00f3a,... C. Kh\u00f4ng v\u00ec c\u01a1 th\u1ec3 r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i ngh\u1ec9, m\u1ecdi ho\u1ea1t \u0111\u1ed9ng D. C\u00f3 v\u00ec \u1edf tr\u1ea1ng th\u00e1i ngh\u1ec9 c\u01a1 th\u1ec3 kh\u00f4ng c\u1ea7n ho\u1ea1t \u0111\u1ed9ng. ng\u1eebng l\u1ea1i. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: K\u1ec3 c\u1ea3 l\u00fac ng\u1ee7 hay ngh\u1ec9 ng\u01a1i th\u00ec c\u00e1c b\u1ed9 ph\u1ea7n trong c\u01a1 th\u1ec3 v\u1eabn ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 duy tr\u00ec s\u1ef1 s\u1ed1ng nh\u01b0 n\u00e3o \u0111i\u1ec1u khi\u1ec3n ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng, tim \u0111\u1eadp \u0111\u1ec3 tu\u1ea7n ho\u00e0n m\u00e1u, ph\u1ed5i v\u1eabn h\u1ecdt \u0111\u1ed9ng \u0111\u1ec3 trao \u0111\u1ed5i d\u01b0\u1ee1ng kh\u00ed, th\u1eadn v\u1eabn b\u00e0i ti\u1ebft \u0111\u1ec3 t\u1ea1o ch\u1ea5t th\u1ea3i. T\u1ea5t c\u1ea3 nh\u1eefng ho\u1ea1t \u0111\u1ed9ng \u0111\u00f3 \u0111\u1ec1u c\u1ea7n ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng nh\u01b0ng s\u1ebd th\u1ea5p h\u01a1n so v\u1edbi l\u00fac c\u01a1 th\u1ec3 v\u1eadn \u0111\u1ed9ng. 12. T\u1ea1i sao khi c\u01a1 th\u1ec3 l\u00e0m vi\u1ec7c nhi\u1ec1u th\u00ec ch\u00fang ta l\u1ea1i ti\u00eau th\u1ee5 nhi\u1ec1u \u0111\u1ed3 \u0103n h\u01a1n? A. V\u00ec l\u00e0m vi\u1ec7c nhi\u1ec1u th\u00ec c\u01a1 th\u1ec3 c\u00e0ng kho\u1ebb m\u1ea1nh n\u00ean c\u1ea7n B. V\u00ec l\u00e0m vi\u1ec7c nhi\u1ec1u nh\u00ec s\u1ebd b\u1ecb t\u1ee5t c\u00e2n n\u00ean c\u1ea7n \u0103n nhi\u1ec1u. \u0103n nhi\u1ec1u C. V\u00ec khi l\u00e0m vi\u1ec7c nhi\u1ec1u th\u00ec c\u01a1 th\u1ec3 b\u1ecb m\u1ea5t c\u1ea3m gi\u00e1c n\u00ean \u0103n D. V\u00ec l\u00e0m vi\u1ec7c nhi\u1ec1u c\u01a1 th\u1ec3 ti\u00eau t\u1ed3n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng, nhi\u1ec1u m\u00e0 kh\u00f4ng th\u1ea5y no. th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t n\u00ean c\u1ea7n \u0103n nhi\u1ec1u \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u01a1 th\u1ec3. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Khi l\u00e0m vi\u1ec7c nhi\u1ec1u c\u01a1 th\u1ec3 ch\u00fang ta \u0111\u00e3 t\u0103ng t\u1ed1c \u0111\u1ed9 qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t, c\u01a1 th\u1ec3 c\u1ea7n ti\u00eau t\u1ed1n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n b\u00ecnh th\u01b0\u1eddng. Do \u0111\u00f3, ch\u00fang ta c\u1ea7n n\u1ea1p th\u00eam n\u0103ng l\u01b0\u1ee3ng th\u00f4ng qua \u0103n u\u1ed1ng \u0111\u1ec3 b\u00f9 \u0111\u1eafp l\u1ea1i l\u01b0\u1ee3ng \u0111\u00e3 m\u1ea5t. V\u1eeba \u0111\u1ec3 cung c\u1ea5p ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng m\u00e0 c\u01a1 th\u1ec3 c\u1ea7n, v\u1eeba \u0111\u1ec3 t\u1ea1o ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng d\u1ef1 tr\u1eef \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng k\u1ebf ti\u1ebfp tr\u00e1nh b\u1ecb thi\u1ebfu th\u1ee5t \u0111\u1ebfn suy nh\u01b0\u1ee3c c\u01a1 th\u1ec3, \u1ea3nh h\u01b0\u1edfng kh\u00f4ng t\u1ed1t \u0111\u1ebfn s\u1ee9 kho\u1ebb. 13. Nh\u1eefng ho\u1ea1t \u0111\u1ed9ng n\u00e0o sau \u0111\u00e2y c\u00f3 s\u1ef1 tham gia c\u1ee7a qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t v\u00e0 chuy\u1ec3n ho\u00e1 n\u0103ng l\u01b0\u1ee3ng? I. \u0102n u\u1ed1ng II. \u0110\u00e1 b\u00f3ng. III. H\u1ecdc t\u1eadp. IV. Ng\u1ed3i ngh\u1ec9 ng\u01a1i. A. II, III, IV. B. I, II, IV. C. I, II, III, IV. D. I, II, III. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: T\u1ea5t c\u1ea3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng nh\u01b0: \u0102n u\u1ed1ng, \u0111\u00e1 b\u00f3ng, h\u1ecdc t\u1eadp, ngh\u1ec9 ng\u01a1i, \u2026\u0111\u1ec1u ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng v\u00e0 di\u1ec5n ra qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t \u1edf nh\u1eefng m\u1ee9c \u0111\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau tu\u1ef3 v\u00e0o nhu c\u1ea7u t\u01b0\u01a1ng \u1ee9ng. 14. N\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u1ebf b\u00e0o c\u00f3 t\u00ean l\u00e0 g\u00ec? A. ATP. B. ADN. C. \u0110\u01b0\u1eddng. D. Axit. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trang 3\/4","N\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u1ebf b\u00e0o s\u1ed1ng t\u1ed3n t\u1ea1i trong ph\u00e2n t\u1eed ATP, \u0111\u00e2y l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t cao n\u0103ng, n\u0103ng l\u01b0\u1ee3ng ch\u1ee9a trong c\u00e1c li\u00ean k\u1ebft ho\u00e1 h\u1ecdc. C\u00f3 th\u1ec3 em ch\u01b0a bi\u1ebft: \u0110om \u0111\u00f3m l\u00e0 lo\u00e0i c\u00f4n tr\u00f9ng c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t quang sinh h\u1ecdc nh\u1edd vi\u1ec7c gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c ph\u00e2n t\u1eed ATP v\u00e0 kh\u00f4ng gi\u1ea3i ph\u00f3ng nhi\u1ec7t n\u0103ng. N\u00f3 ph\u00e1t ra \u00e1nh s\u00e1ng \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c. 15. Trao \u0111\u1ed5i ch\u1ea5t v\u00e0 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng c\u00f3 vai tr\u00f2 g\u00ec \u0111\u1ed1i v\u1edbi c\u01a1 th\u1ec3 sinh v\u1eadt? A. Gi\u1eef l\u1ea1i c\u00e1c ch\u1ea5t th\u1ea3i trong c\u01a1 th\u1ec3. B. L\u00e0m cho c\u01a1 th\u1ec3 sinh v\u1eadt b\u1ecb ph\u00e2n hu\u1ef7. C. Cung c\u1ea5p \u0111i\u1ec7n cho c\u01a1 th\u1ec3 sinh v\u1eadt. D. Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trao \u0111\u1ed5i ch\u1ea5t v\u00e0 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng c\u00f3 vai tr\u00f2 \u0111\u1ed1i v\u1edbi c\u01a1 th\u1ec3 sinh v\u1eadt nh\u01b0 sau: - Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a c\u01a1 th\u1ec3. - Duy tr\u00ec, s\u1eeda ch\u1eefa c\u00e1c t\u1ebf b\u00e0o, m\u00f4, c\u01a1 quan v\u00e0 c\u01a1 th\u1ec3. - Lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t th\u1ea3i ra kh\u1ecfi c\u01a1 th\u1ec3. Trang 4\/4","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP V. B\u00c0I 2: QUANG H\u1ee2P (PH\u1ea6N 1) H\u1ecdc t\u1ed1t Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. Trong nh\u1eefng th\u1ef1c ph\u1ea9m sau, \u0111\u00e2u l\u00e0 s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c t\u1eeb qu\u00e1 tr\u00ecnh quang h\u1ee3p? I. II. III. IV. A. I, II, III. B. II, III, IV. C. I, II, IV. D. III, IV, V. 2. Nguy\u00ean li\u1ec7u c\u1ee7a qu\u00e1 tr\u00ecnh quang h\u1ee3p g\u1ed3m c\u00e1c ch\u1ea5t n\u00e0o sau \u0111\u00e2y? B. Kh\u00ed CO2 v\u00e0 n\u01b0\u1edbc. A. \u0110\u01b0\u1eddng v\u00e0 n\u01b0\u1edbc. D. Kh\u00ed CO2, n\u01b0\u1edbc v\u00e0 n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng. C. Kh\u00ed O2 v\u00e0 \u0111\u01b0\u1eddng. B. Oxi h\u00f3a c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 \u0111\u1ec3 gi\u1ea3i ph\u00f3ng n\u0103ng 3. Quang h\u1ee3p kh\u00f4ng c\u00f3 vai tr\u00f2 n\u00e0o sau \u0111\u00e2y? l\u01b0\u1ee3ng. D. \u0110i\u1ec1u h\u00f2a t\u1ef7 l\u1ec7 kh\u00ed O2\/CO2 c\u1ee7a kh\u00ed quy\u1ec3n. A. T\u1ed5ng h\u1ee3p gluxit, c\u00e1c ch\u1ea5t h\u1eefu c\u01a1, O2. C. Bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng th\u00e0nh n\u0103ng l\u01b0\u1ee3ng h\u00f3a h\u1ecdc. 4. H\u00ecnh \u1ea3nh d\u01b0\u1edbi \u0111\u00e2y th\u1ec3 hi\u1ec7n t\u1ebf b\u00e0o n\u00e0o? A. T\u1ebf b\u00e0o m\u00f4 gi\u1eadu. B. T\u1ebf b\u00e0o m\u00f4 x\u1ed1p. C. T\u1ebf b\u00e0o kh\u00ed kh\u1ed5ng. D. T\u1ebf b\u00e0o bi\u1ec3u b\u00ec. 5. V\u00ec sao h\u1ea7u h\u1ebft l\u00e1 c\u00e2y c\u00f3 m\u00e0y xanh? B. V\u00ec l\u00e1 c\u00f3 ch\u1ee9a s\u1eafc t\u1ed1 di\u1ec7p l\u1ee5c n\u00ean m\u00e0u xanh. A. V\u00ec \u0111\u00f3 l\u00e0 m\u00e0u c\u1ee7a l\u00e1 khi c\u00f2n non, v\u1ec1 gi\u00e0 th\u00ec l\u00e1 chuy\u1ec3n th\u00e0nh m\u00e0u v\u00e0ng. D. V\u00ec l\u00e1 ch\u1ee9a di\u1ec7p l\u1ee5c, di\u1ec7p l\u1ee5c ph\u1ea3n x\u1ea1 tia s\u00e1ng xanh n\u00ean c\u00f3 m\u00e0u xanh. C. V\u00ec l\u00e1 l\u00e0m nhi\u1ec7m v\u1ee5 quang h\u1ee3p n\u00ean ph\u1ea3i c\u00f3 m\u00e0u xanh. 6. Khi n\u00f3i v\u1ec1 di\u1ec7p l\u1ee5c, ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 sai? B. Khi \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng di\u1ec7p l\u1ee5c c\u00f3 th\u1ec3 ph\u00e1t hu\u1ef3nh quang. D. M\u00e0u c\u1ee7a di\u1ec7p l\u1ee5c li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn quang h\u1ee3p. A. Di\u1ec7p l\u1ee5c co th\u1ec3 nh\u1eadn n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c s\u1eafc t\u1ed1 kh\u00e1c. C. Di\u1ec7p l\u1ee5c h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng \u1edf ph\u1ea7n \u0111\u1ea7u v\u00e0 ph\u1ea7n cu\u1ed1i c\u1ee7a \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y. 7. B\u00e0o quan n\u00e0o c\u1ee7a l\u00e1 \u0111\u00f3ng vai tr\u00f2 thu nh\u1eadn \u00e1nh s\u00e1ng \u0111\u1ec3 t\u1ed5ng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 cho c\u00e2y? A. Kh\u00f4ng b\u00e0o. B. Ribosome. C. Ti th\u1ec3. D. L\u1ee5c l\u1ea1p. 8. S\u1ea3n ph\u1ea9m c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh quang h\u1ee3p g\u1ed3m A. \u0111\u01b0\u1eddng v\u00e0 CO2. B. \u0111\u01b0\u1eddng v\u00e0 O2. C. H2O v\u00e0 CO2. D. H2O v\u00e0 O2. C. Th\u00e2n . D. L\u00e1. 9. B\u1ed9 ph\u1eadn n\u00e0o c\u1ee7a c\u00e2y th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng quang h\u1ee3p ch\u00ednh? Trang 1\/2 A. C\u00e0nh. B. R\u1ec5.","10. T\u1ebf b\u00e0o kh\u00ed kh\u1ed5ng t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf v\u1ecb tr\u00ed n\u00e0o c\u1ee7a l\u00e1? A. M\u1eb7t tr\u00ean. B. G\u00e2n l\u00e1. C. Cu\u1ed1ng l\u00e1. D. M\u1eb7t d\u01b0\u1edbi. 11. Kh\u00ed n\u00e0o \u0111\u01b0\u1ee3c th\u1ea3i ra trong qu\u00e1 tr\u00ecnh quang h\u1ee3p? A. H2. B. O3. C. O2. D. CO2. 12. Nh\u1eefng nh\u00f3m sinh v\u1eadt n\u00e0o sau \u0111\u00e2y c\u00f3 kh\u1ea3 n\u0103ng quang h\u1ee3p? B. Th\u1ef1c v\u1eadt v\u00e0 vi khu\u1ea9n oxi h\u00f3a l\u01b0u hu\u1ef3nh. A. Th\u1ef1c v\u1eadt, vi khu\u1ea9n lam v\u00e0 t\u1ea3o. D. Th\u1ef1c v\u1eadt v\u00e0 n\u1ea5m. C. Th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9ng v\u1eadt. 13. Kh\u00ed n\u00e0o \u0111\u01b0\u1ee3c h\u1ea5p thu trong qu\u00e1 tr\u00ecnh quang h\u1ee3p? A. CO2. B. O3. C. O2. D. H2. 14. \u00dd n\u00e0o sau \u0111\u00e2y \u0111\u00fang v\u1edbi vai tr\u00f2 c\u1ee7a di\u1ec7p l\u1ee5c \u0111\u1ed1i v\u1edbi ch\u1ee9c n\u0103ng quang h\u1ee3p? A. V\u1eadn chuy\u1ec3n n\u01b0\u1edbc \u0111\u1ebfn l\u1ee5c l\u1ea1p v\u00e0 v\u1eadn chuy\u1ec3n ch\u1ea5t h\u1eefu B. Trao \u0111\u1ed5i kh\u00ed v\u00e0 h\u01a1i n\u01b0\u1edbc. c\u01a1 \u0111i \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c c\u1ee7a c\u00e2y. C. Gi\u00fap c\u00e2y h\u01b0\u1edbng v\u1ec1 ph\u00eda \u00e1nh s\u00e1ng v\u00e0 thu nh\u1eadn nhi\u1ec1u D. Thu nh\u1eadn \u00e1nh s\u00e1ng d\u00f9ng cho t\u1ed5ng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 c\u1ee7a \u00e1nh s\u00e1ng nh\u1ea5t. l\u00e1 c\u00e2y. 15. Quang h\u1ee3p l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n ho\u00e1 n\u0103ng l\u01b0\u1ee3ng A. \u00e1nh s\u00e1ng. B. \u0111i\u1ec7n. C. h\u1ea1t nh\u00e2n. D. nhi\u1ec7t. Trang 2\/2","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP B\u00c0I 3: QUANG H\u1ee2P (PH\u1ea6N 2) Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. T\u1ea1i sao kh\u00f4ng n\u00ean tr\u1ed3ng qu\u00e1 nhi\u1ec1u c\u00e2y xanh trong ph\u00f2ng k\u00edn, \u0111\u1eb7c bi\u1ec7t v\u00e0o ban \u0111\u00eam? A. V\u00ec ban \u0111\u00eam c\u00e2y kh\u00f4ng th\u1ef1c hi\u1ec7n pha s\u00e1ng, kh\u00f4ng t\u1ea1o B. V\u00ec ban \u0111\u00eam c\u00e2y quang h\u1ee3p m\u1ea1nh l\u00e0m m\u1ea5t n\u01b0\u1edbc trong kh\u00ed O2, nh\u01b0ng v\u1eabn h\u00f4 h\u1ea5p. ph\u00f2ng. C. V\u00ec ban ng\u00e0y c\u00e2y \u0111\u00e3 l\u1ea5y h\u1ebft H2O, khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 trong D. V\u00ec ban ng\u00e0y c\u00e2y \u0111\u00e3 l\u1ea5y h\u1ebft kh\u00ed CO2, khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng n\u00f3ng l\u00ean. trong ph\u00f2ng n\u00f3ng l\u00ean. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Quang h\u1ee3p di\u1ec5n ra 2 pha l\u00e0 pha s\u00e1ng v\u00e0 pha t\u1ed1i. Trong \u0111\u00f3 ch\u1ec9 c\u00f3 pha s\u00e1ng m\u1edbi t\u1ea1p ra kh\u00ed O2 t\u1eeb n\u01b0\u1edbc. C\u00f2n v\u00e0o bu\u1ed5i t\u1ed1i th\u00ec kh\u00f4ng di\u1ec5n ra pha s\u00e1ng. M\u00e0 c\u00e2y v\u1eabn th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p \u0111\u1ec3 th\u1ea3i ra kh\u00ed CO2, do \u0111\u00f3 n\u1ebfu tr\u1ed3ng nhi\u1ec1u c\u00e2y xanh trong ph\u00f2ng k\u00edn s\u1ebd kh\u00f4ng t\u1ed1t, \u0111\u1eb7c bi\u1ec7t v\u00e0o bu\u1ed5i \u0111\u00eam. L\u00fac \u0111\u00f3 c\u00e2y s\u1ebd l\u1ea5y d\u01b0\u1ee1ng kh\u00ed c\u00f3 trong ph\u00f2ng v\u00e0 th\u1ea3i ra kh\u00ed CO2, t\u1eeb \u0111\u00f3 l\u00e0m suy gi\u1ea3m kh\u1ea3 n\u0103ng h\u00f4 h\u1ea5p c\u1ee7a con ng\u01b0\u1eddi khi \u1edf trong ph\u00f2ng v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ng\u1ea1t kh\u00ed, c\u0169ng nh\u01b0 t\u1eed vong. Do \u0111\u00f3, ch\u00fang ta c\u00f3 th\u1ec3 tr\u1ed3ng m\u1ed9t s\u1ed1 \u00edt c\u00e2y ho\u1eb7c lu\u00f4n \u0111\u1ec3 ph\u00f2ng th\u00f4ng tho\u00e1ng. 2. Qu\u00e1 tr\u00ecnh quang h\u1ee3p di\u1ec5n ra hai pha l\u00e0 A. pha s\u00e1ng v\u00e0 pha n\u01b0\u1edbc. B. pha n\u01b0\u1edbc v\u00e0 pha kh\u00ed. C. pha s\u00e1ng v\u00e0 pha t\u1ed1i. D. pha t\u1ed1i v\u00e0 pha kh\u00ed. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Qu\u00e1 tr\u00ecnh quang h\u1ee3p th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh 2 pha l\u00e0 pha s\u00e1ng v\u00e0 pha t\u1ed1i. Pha s\u00e1ng ch\u1ec9 c\u00f3 th\u1ec3 di\u1ec5n ra khi c\u00f3 \u00e1nh s\u00e1ng, c\u00f2n pha t\u1ed1i c\u00f3 th\u1ec3 di\u1ec5n ra c\u1ea3 khi c\u00f3 \u00e1nh s\u00e1ng v\u00e0 c\u1ea3 trong t\u1ed1i. 3. Khi n\u00f3i v\u00ea c\u1ea5u t\u1ea1o c\u1ee7a l\u1ee5c l\u1ea1p th\u00edch nghi v\u1edbi ch\u1ee9c n\u0103ng quang h\u1ee3p ng\u01b0\u1eddi ta \u0111\u01b0a ra m\u1ed9t s\u1ed1 nh\u1eadn x\u00e9t sau: (1). Tr\u00ean m\u00e0ng tilacoid l\u00e0 n\u01a1i ph\u00e2n b\u1ed1 h\u1ec7 s\u1eafc t\u1ed1 quang h\u1ee3p, n\u01a1i x\u1ea3y ra c\u00e1c ph\u1ea3n \u1ee9ng s\u00e1ng. (2) Tr\u00ean m\u00e0ng tilacoid l\u00e0 n\u01a1i x\u1ea3y ra ph\u1ea3n \u1ee9ng quang ph\u00e2n li n\u01b0\u1edbc v\u00e0 qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p ATP trong quang h\u1ee3p. (3)Ch\u1ea5t n\u1ec1n stroma l\u00e0 n\u01a1i di\u1ec5n ra c\u00e1c ph\u1ea3n \u1ee9ng trong pha t\u1ed1i c\u1ee7a qu\u00e1 tr\u00ecnh quang h\u1ee3p. C\u00f3 bao nhi\u00eau ph\u00e1t bi\u1ec3u \u0111\u00fang? A. 1. B. 2. C. 0. D. 3. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Ph\u00e1t bi\u1ec3u \u0111\u00fang l\u00e0 (1), (3). \u00dd (2) sai v\u00ec quang ph\u00e2n ly n\u01b0\u1edbc x\u1ea3y ra \u1edf xoang tilacoid. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C 4. Ph\u1ea7n th\u1ecbt l\u00e1 n\u1eb1m li\u1ec1n s\u00e1t l\u1edbp bi\u1ec3u b\u00ec tr\u00ean c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o d\u01b0\u1edbi \u0111\u00e2y? A. Bao g\u1ed3m c\u00e1c t\u1ebf b\u00e0o d\u00e3n c\u00e1ch, ch\u1ee9a nhi\u1ec1u l\u1ee5c l\u1ea1p. B. Bao g\u1ed3m c\u00e1c t\u1ebf b\u00e0o x\u1ebfp s\u00e1t nhau, ch\u1ee9a nhi\u1ec1u l\u1ee5c l\u1ea1p. C. Bao g\u1ed3m c\u00e1c t\u1ebf b\u00e0o x\u1ebfp d\u00e3n c\u00e1ch nhau, kh\u00f4ng ch\u1ee9a D. Bao g\u1ed3m c\u00e1c t\u1ebf b\u00e0o x\u1ebfp s\u00e1t nhau, ch\u1ee9a \u00edt l\u1ee5c l\u1ea1p. l\u1ee5c l\u1ea1p. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: T\u1ebf b\u00e0o c\u00f3 m\u00f4 gi\u1eadu ch\u1ee9a nhi\u1ec1u l\u1ee5c l\u1ea1p ph\u00e2n b\u1ed1 ngay d\u01b0\u1edbi l\u1edbp bi\u1ec3u b\u00ec \u1edf m\u1eb7t tr\u00ean c\u1ee7a l\u00e1. 5. \u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i c\u1ee7a l\u00e1 gi\u00fap CO2 khu\u1ebfch t\u00e1n v\u00e0o l\u00e1 l\u00e0 trong l\u1edbp bi\u1ec3u b\u00ec l\u00e1 c\u00f3 A. l\u1ee5c l\u1ea1p. B. h\u1ec7 g\u00e2n l\u00e1. C. kh\u00ed kh\u1ed5ng. D. di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: \u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i c\u1ee7a l\u00e1 gi\u00fap CO2 khu\u1ebfch t\u00e1n v\u00e0o l\u00e1 l\u00e0 trong l\u1edbp bi\u1ec3u b\u00ec l\u00e1 c\u00f3 kh\u00ed kh\u1ed5ng. 6. Quang h\u1ee3p \u1edf c\u00e2y xanh kh\u00f4ng c\u00f3 \u00fd ngh\u0129a n\u00e0o sau \u0111\u00e2y? A. G\u00e2y n\u00ean hi\u1ec7n t\u01b0\u1ee3ng x\u00f3i m\u00f2n s\u1ea1t l\u1edf \u0111\u1ea5t. B. \u0110i\u1ec1u ho\u00e0 kh\u00f4ng kh\u00ed. C. Cung c\u1ea5p ch\u1ea5t h\u1eefu c\u01a1 cho sinh v\u1eadt. D. N\u01a1i tr\u00fa ng\u1ee5 cho c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trang 1\/4","\u00dd ngh\u0129a th\u1ef1c ti\u1ec5n c\u1ee7a vi\u1ec7c tr\u1ed3ng v\u00e0 b\u1ea3o v\u1ec7 c\u00e2y xanh: Quang h\u1ee3p cung c\u1ea5p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 cho m\u1ecdi sinh v\u1eadt; \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed; n\u01a1i tr\u00fa ng\u1ee5 c\u1ee7a c\u00e1c sinh v\u1eadt; ch\u1ed1ng x\u00f3i m\u00f2n s\u1ea1t l\u1edf \u0111\u1ea5t. 7. Nh\u1edd \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o m\u00e0 di\u1ec7n t\u00edch c\u1ee7a l\u1ee5c l\u1ea1p l\u1edbn h\u01a1n di\u1ec7n t\u00edch l\u00e1 ch\u1ee9a ch\u00fang? A. Do l\u1ee5c l\u1ea1p c\u00f3 h\u00ecnh kh\u1ed1i b\u1ea7u d\u1ee5c l\u00e0m t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp B. Do l\u1ee5c l\u1ea1p \u0111\u01b0\u1ee3c s\u1ea3n sinh li\u00ean t\u1ee5c trong t\u1ebf b\u00e0o l\u00e1. x\u00fac l\u00ean nhi\u1ec1u l\u1ea7n. C. Do l\u00e1 c\u00f3 h\u00ecnh phi\u1ebfn m\u1ecfng, c\u00f2n t\u1ebf b\u00e0o l\u00e1 ch\u1ee9a l\u1ee5c l\u1ea1p D. Do s\u1ed1 l\u01b0\u1ee3ng l\u1ee5c l\u1ea1p trong l\u00e1 l\u1edbn. c\u00f3 h\u00ecnh kh\u1ed1i. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: S\u1ed1 l\u01b0\u1ee3ng l\u1ee5c l\u1ea1p trong t\u1ebf b\u00e0o r\u1ea5t kh\u00e1c nhau c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt kh\u00e1c nhau. \u0110\u1ed1i v\u1edbi t\u1ea3o, m\u1ed7i t\u1ebf b\u00e0o c\u00f3 khi ch\u1ec9 c\u00f3 m\u1ed9t l\u1ee5c l\u1ea1p. \u0110\u1ed1i v\u1edbi th\u1ef1c v\u1eadt b\u1eadc cao, m\u1ed7i t\u1ebf b\u00e0o c\u1ee7a m\u00f4 \u0111\u1ed3ng h\u00f3a c\u00f3 th\u1ec3 c\u00f3 t\u1eeb 20 \u0111\u1ebfn 100 l\u1ee5c l\u1ea1p. \u1ede l\u00e1 th\u1ea7u d\u1ea7u, 1mm2 c\u00f3 t\u1eeb 3107 - 5107 l\u1ee5c l\u1ea1p. N\u1ebfu \u0111em c\u1ed9ng di\u1ec7n t\u00edch l\u1ee5c l\u1ea1p l\u1ea1i, s\u1ebd c\u00f3 di\u1ec7n t\u00edch t\u1ed5ng s\u1ed1 l\u1ee5c l\u1ea1p l\u1edbn h\u01a1n di\u1ec7n t\u00edch l\u00e1. 8. Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y \u0111\u00fang v\u1ec1 q\u00faa tr\u00ecnh quang h\u1ee3p? B. Trao \u0111\u1ed5i ch\u1ea5t v\u00e0 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng lu\u00f4n di\u1ec5n ra A. Trao \u0111\u1ed5i ch\u1ea5t di\u1ec5n ra tr\u01b0\u1edbc, chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng \u0111\u1ed3ng th\u1eddi. di\u1ec5n ra sau. D. Kh\u00f4ng di\u1ec5n ra trao \u0111\u1ed5i ch\u1ea5t m\u00e0 ch\u1ec9 c\u00f3 chuy\u1ec3n h\u00f3a C. Trao \u0111\u1ed5i ch\u1ea5t di\u1ec5n ra sau, chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng di\u1ec5n n\u0103ng l\u01b0\u1ee3ng. ra tr\u01b0\u1edbc. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trong qu\u00e1 tr\u00ecnh quang h\u1ee3p, trao \u0111\u1ed5i ch\u1ea5t v\u00e0 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng lu\u00f4n di\u1ec5n ra \u0111\u1ed3ng th\u1eddi: n\u01b0\u1edbc v\u00e0 carbon dioxide \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb m\u00f4i tr\u01b0\u1eddng ngo\u00e0i \u0111\u1ec3 t\u1ed5ng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 gi\u1ea3i ph\u00f3ng kh\u00ed oxygen, trong qu\u00e1 tr\u00ecnh \u0111\u00f3 quang n\u0103ng (n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng) \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh h\u00f3a n\u0103ng (n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc). 9. Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang? B. M\u1ed9t trong c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a quang h\u1ee3p l\u00e0 kh\u00ed O2. A. Trong qu\u00e1 tr\u00ecnh quang h\u1ee3p, c\u00e2y h\u1ea5p th\u1ee5 O2 \u0111\u1ec3 t\u1ed5ng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1. D. Quang h\u1ee3p l\u00e0 qu\u00e1 tr\u00ecnh sinh v\u1eadt s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng \u0111\u1ec3 C. Quang h\u1ee3p l\u00e0 qu\u00e1 tr\u00ecnh sinh l\u00ed quan tr\u1ecdng x\u1ea3y ra trong ph\u00e2n gi\u1ea3i ch\u1ea5t h\u1eefu c\u01a1. c\u01a1 th\u1ec3 m\u1ecdi sinh v\u1eadt. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Quang h\u1ee3p l\u00e0 qu\u00e1 tr\u00ecnh thu nh\u1eadn v\u00e0 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng, t\u1ed5ng h\u1ee3p n\u00ean c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 t\u1eeb c\u00e1c ch\u1ea5t v\u00f4 c\u01a1 nh\u01b0 n\u01b0\u1edbc, kh\u00ed carbon dioxide, \u0111\u1ed3ng th\u1eddi th\u1ea3i ra kh\u00ed oxygen. 10. Ngu\u1ed3n g\u1ed1c c\u1ee7a oxi tho\u00e1t ra t\u1eeb quang h\u1ee3p l\u00e0 t\u1eeb ph\u00e2n t\u1eed A. ATP. B. n\u01b0\u1edbc (H2O). C. APG. D. CO2. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Oxygen \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng ra ngo\u00e0i c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb n\u01b0\u1edbc nh\u1edd n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng. Oxygen ch\u00ednh l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a pha s\u00e1ng trong qu\u00e1 tr\u00ecnh quang h\u1ee3p. C\u00f3 th\u1ec3 em ch\u01b0a bi\u1ebft: Oxygen \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng ra ngo\u00e0i c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb n\u01b0\u1edbc nh\u1edd n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng. Oxygen ch\u00ednh l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a pha s\u00e1ng trong qu\u00e1 tr\u00ecnh quang h\u1ee3p. 11. S\u1ed1 l\u01b0\u1ee3ng l\u1edbn l\u1ee5c l\u1ea1p trong l\u00e1 c\u00f3 vai tr\u00f2 g\u00ec? B. L\u00e0m t\u1ed5ng di\u1ec7n t\u00edch l\u1ee5c l\u1ea1p l\u1edbn h\u01a1n di\u1ec7n t\u00edch l\u00e1, t\u0103ng A. L\u00e0m cho l\u00e1 xanh h\u01a1n. hi\u1ec7u su\u1ea5t h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng. D. Thay phi\u00ean ho\u1ea1t \u0111\u1ed9ng gi\u1eefa c\u00e1c l\u1ee5c l\u1ea1p trong qu\u00e1 tr\u00ecnh C. D\u1ef1 tr\u1eef l\u1ee5c l\u1ea1p khi l\u1ee5c l\u1ea1p b\u1ecb ph\u00e2n h\u1ee7y. quang h\u1ee3p. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: L\u1ee5c l\u1ea1p l\u00e0 b\u00e0o quan ch\u00ednh di\u1ec5n ra qu\u00e1 tr\u00ecnh quang h\u1ee3p \u1edf l\u00e1, ch\u00fang h\u1ea5p thu n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng \u0111\u1ec3 t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 d\u1ef1 tr\u1eef n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c li\u00ean k\u1ebft ho\u00e1 h\u1ecdc. N\u1ebfu \u0111em c\u1ed9ng di\u1ec7n t\u00edch l\u1ee5c l\u1ea1p l\u1ea1i, s\u1ebd c\u00f3 di\u1ec7n t\u00edch t\u1ed5ng s\u1ed1 l\u1ee5c l\u1ea1p l\u1edbn h\u01a1n di\u1ec7n t\u00edch l\u00e1 => t\u0103ng hi\u1ec7u su\u1ea5t h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng. T\u1eeb \u0111\u00f3 gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng quang h\u1ee3p l\u00ean m\u1ee9c t\u1ed1i \u0111a. Trang 2\/4","12. Nh\u1eefng ho\u1ea1t \u0111\u1ed9ng n\u00e0o sau \u0111\u00e2y x\u1ea3y ra trong pha t\u1ed1i? (1). Gi\u1ea3i ph\u00f3ng O2. (2) Bi\u1ebfn \u0111\u1ed5i kh\u00ed CO2 h\u1ea5p th\u1ee5 t\u1eeb kh\u00ed quy\u1ec3n th\u00e0nh \u0111\u01b0\u1eddng (carbohydrate). (3)Gi\u1ea3i ph\u00f3ng electron t\u1eeb quang ph\u00e2n li n\u01b0\u1edbc. (4). T\u1ed5ng h\u1ee3p nhi\u1ec1u ph\u00e2n t\u1eed ATP. (5). Di\u1ec5n ra tr\u00ean ch\u1ea5t l\u1ec1n c\u1ee7a l\u1ee5c l\u1ea1p. A. (1), (4). B. (3), (5). C. (2), (5). D. (2), (3). H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Pha t\u1ed1i c\u1ee7a qu\u00e1 tr\u00ecnh quang h\u1ee3p di\u1ec5n ra tr\u00ean ch\u1ea5t n\u1ec1n c\u1ee7a l\u1ee5c l\u1ea1p. Trong pha t\u1ed1i, CO2 s\u1ebd b\u1ecb kh\u1eed th\u00e0nh carbohydrate. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 qu\u00e1 tr\u00ecnh c\u1ed1 \u0111\u1ecbnh CO2 v\u00ec nh\u1edd qu\u00e1 tr\u00ecnh n\u00e0y. c\u00e1c ph\u00e2n t\u1eed CO2 t\u1ef1 do \u0111\u01b0\u1ee3c \u201cc\u1ed1 \u0111\u1ecbnh\u201d l\u1ea1i trong c\u00e1c ph\u00e2n t\u1eed carbohydrate (\u0110\u01b0\u1eddng). 13. Trong qu\u00e1 tr\u00ecnh quang h\u1ee3p, n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh A. nhi\u1ec7t n\u0103ng. B. \u0111\u1ed9ng n\u0103ng. C. th\u1ebf n\u0103ng. D. ho\u00e1 n\u0103ng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trong qu\u00e1 tr\u00ecnh quang h\u1ee3p, quang n\u0103ng (LNAS) \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh h\u00f3a n\u0103ng (n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc). 14. C\u1ea5u t\u1ea1o n\u00e0o c\u1ee7a l\u00e1 ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee9c n\u0103ng quang h\u1ee3p? B. L\u00e1 to, d\u00e0y, c\u1ee9ng. A. L\u00e1 c\u00f3 h\u00ecnh d\u1ea1ng b\u1ea3n, m\u1ecfng. D. To, d\u00e0y, c\u1ee9ng, c\u00f3 nhi\u1ec1u g\u00e2n. C. L\u00e1 c\u00f3 nhi\u1ec1u g\u00e2n. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: L\u00e1 c\u00f3 h\u00ecnh d\u1ea1ng b\u1ea3n, m\u1ecfng \u2192 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c nhi\u1ec1u \u00e1nh s\u00e1ng v\u00e0 thu\u1eadn l\u1ee3i cho kh\u00ed khu\u1ebfch t\u00e1n ra v\u00e0o. 15. \u0110\u1eb7c \u0111i\u1ec3m n\u00e0o sau \u0111\u00e2y kh\u00f4ng c\u00f3 \u1edf quang h\u1ee3p? Trang 3\/4","A. Ch\u1ec9 di\u1ec5n ra \u1edf nh\u1eefng sinh v\u1eadt c\u00f3 s\u1eafc t\u1ed1 quang h\u1ee3p (th\u1ef1c B. Chuy\u1ec3n h\u00f3a quanh n\u0103ng th\u00e0nh h\u00f3a n\u0103ng, t\u00edch l\u0169y trong v\u1eadt, t\u1ea3o, m\u1ed9t s\u1ed1 vi khu\u1ea9n). c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc. C. S\u1eed d\u1ee5ng \u00e1nh s\u00e1ng \u0111\u1ec3 t\u1ed5ng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 cho c\u01a1 th\u1ec3 D. T\u1ea1o ra ATP cung c\u1ea5p cho t\u1ebf b\u00e0o v\u1eadn \u0111\u1ed9ng ho\u1eb7c ph\u00e2n t\u1eeb ch\u1ea5t v\u00f4 c\u01a1. gi\u1ea3i c\u00e1c ch\u1ea5t kh\u00e1c. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Quang h\u1ee3p l\u00e0 qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 ph\u1ee9c t\u1ea1p t\u1eeb nh\u1eefng ch\u1ea5t v\u00f4 c\u01a1 \u0111\u01a1n gi\u1ea3n. \u0110\u1ed3ng th\u1eddi chuy\u1ec3n ho\u00e1 n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng th\u00e0nh n\u0103ng l\u01b0\u1ee3ng ho\u00e1 h\u1ecdc. Nh\u1eefng \u0111\u1ea1i di\u1ec7n sinh v\u1eadt c\u00f3 kh\u1ea3 n\u0103ng quang h\u1ee3p nh\u01b0: th\u1ef1c v\u1eadt, t\u1ea3o, vi khu\u1ea9n lam,\u2026. Quang h\u1ee3p kh\u00f4ng t\u1ea1o ra ATP cung c\u1ea5p cho t\u1ebf b\u00e0o v\u1eadn \u0111\u1ed9ng ho\u1eb7c ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t kh\u00e1c v\u00ec \u0111\u00e2y l\u00e0 thu\u1ed9c v\u00e0o qu\u00e1 tr\u00ecnh ph\u00e2n gi\u1ea3i, kh\u00f4ng ph\u1ea3i qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p. Trang 4\/4","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP B\u00c0I 4: C\u00c1C Y\u1ebeU T\u1ed0 \u1ea2NH H\u01af\u1edeNG \u0110\u1ebeN QUANG H\u1ee2P Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. Trong c\u00e1c c\u00e2y sau, c\u00e2y n\u00e0o c\u00f3 \u0111i\u1ec3m b\u00f9 v\u00e0 \u0111i\u1ec3m no \u00e1nh s\u00e1ng th\u1ea5p nh\u1ea5t? A. C\u00e2y \u1edf \u0111\u1ed3ng c\u1ecf th\u1ea3o nguy\u00ean. B. C\u00e2y \u0111\u1ed3i tr\u1ecdc. C. C\u00e2y v\u01b0\u1ee3t t\u00e1n r\u1eebng. D. C\u00e2y th\u1ee7y sinh. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u00e2y th\u1ee7y sinh c\u00f3 \u0111i\u1ec3m b\u00f9 v\u00e0 \u0111i\u1ec3m no \u00e1nh s\u00e1ng th\u1ea5p h\u01a1n c\u00e1c c\u00e2y c\u00f2n l\u1ea1i do khu v\u1ef1c sinh s\u1ed1ng c\u1ee7a ch\u00fang ti\u1ebfp nh\u1eadn \u00edt \u00e1nh s\u00e1ng ho\u1eb7c c\u01b0\u1eddng \u0111\u1ed9 chi\u1ebfu s\u00e1ng y\u1ebfu. Do v\u1eady c\u00e2y \u1edf khu v\u1ef1c n\u00e0y \u0111\u00e3 th\u00edch nghi v\u1edbi \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 quang h\u1ee3p trong \u0111i\u1ec1u ki\u1ec7n thi\u1ebfu \u00e1nh s\u00e1ng. 2. Khi m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 trong l\u1ee5c l\u1ea1p c\u1ee7a t\u1ebf b\u00e0o m\u00f4 d\u1eadu c\u00f3 l\u01b0\u1ee3ng O2 h\u00f2a tan cao h\u01a1n CO2 th\u00ec c\u00e2y n\u00e0o sau \u0111\u00e2y kh\u00f4ng b\u1ecb gi\u1ea3m l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m quang h\u1ee3p? A. Rau c\u1ea3i. B. Ng\u00f4. C. L\u00faa n\u01b0\u1edbc. D. D\u01b0a h\u1ea5u. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Khi nhi\u1ec7t \u0111\u1ed9 cao, l\u01b0\u1ee3ng O2 h\u00f2a tan cao h\u01a1n CO2 trong l\u1ee5c l\u1ea1p c\u1ee7a th\u1ef1c v\u1eadt C3 s\u1ebd x\u1ea3y ra h\u00f4 h\u1ea5p s\u00e1ng l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m c\u1ee7a qu\u00e1 tr\u00ecnh quang h\u1ee3p (D\u01b0a h\u1ea5u, l\u00faa n\u01b0\u1edbc, rau c\u1ea3i). Th\u1ef1c v\u1eadt C4 v\u00e0 CAM kh\u00f4ng x\u1ea3y ra h\u00f4 h\u1ea5p s\u00e1ng n\u00ean hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y kh\u00f4ng l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m quang h\u1ee3p \u1edf c\u00e1c th\u1ef1c v\u1eadt n\u00e0y. \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. 3. Tr\u1ed3ng c\u00e2y trong m\u00f4i tr\u01b0\u1eddng nh\u00e2n t\u1ea1o kh\u00f4ng th\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c y\u1ebfu t\u1ed1 A. l\u01b0\u1ee3ng n\u01b0\u1edbc. B. di\u1ec7p l\u1ee5c. C. \u00e1nh s\u00e1ng. D. nhi\u1ec7t \u0111\u1ed9. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Khi tr\u1ed3ng c\u00e2y trong m\u00f4i tr\u01b0\u1eddng nh\u00e2n t\u1ea1o c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c c\u00e1c nh\u00e2n t\u1ed1 nh\u01b0: \u00e1nh s\u00e1ng, nhi\u1ec7t \u0111\u1ed9, l\u01b0\u1ee3ng n\u01b0\u1edbc, m\u00e0u s\u1eafc, kh\u00f4ng kh\u00ed, ... Nh\u01b0ng kh\u00f4ng th\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c s\u1ed1 l\u01b0\u1ee3ng di\u1ec7p l\u1ee5c c\u1ee7a b\u1ed9 m\u00e1y quang h\u1ee3p. 4. Ch\u1ea5t h\u1eefu c\u01a1 trong c\u00e2y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c t\u1ea1o n\u00ean t\u1eeb A. oxygen. B. nitrogen. C. ch\u1ea5t kho\u00e1ng. D. H2O v\u00e0 CO2. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u00f3 kho\u1ea3ng 90 - 95% s\u1ea3n ph\u1ea9m thu ho\u1ea1ch c\u1ee7a c\u00e2y l\u1ea5y t\u1eeb H2O v\u00e0 CO2 th\u00f4ng qua quang h\u1ee3p; trong \u0111\u00f3 oxygen trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng ra ngo\u00e0i kh\u00f4ng \u0111i v\u00e0o s\u1ea3n ph\u1ea9m quang h\u1ee3p. Nh\u01b0 v\u1eady, c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 trong c\u00e2y ch\u1ee7 y\u1ebfu \u0111u\u1ee3c t\u1ea1o n\u00ean t\u1eeb H2O v\u00e0 CO2. 5. Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u nh\u1ea5t cho qu\u00e1 tr\u00ecnh quang h\u01a1p l\u00e0 A. 10\u25a1C - 15\u25a1C. B. 45\u25a1C - 55\u25a1C. C. 15\u25a1C - 25\u25a1C. D. 25\u25a1C - 35\u25a1C. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u: nhi\u1ec7t \u0111\u1ed9 m\u00e0 \u1edf \u0111\u00f3 c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p c\u1ee7a th\u1ef1c v\u1eadt c\u00f3 th\u1ec3 \u0111\u1ea1t tr\u00ean 90%, c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p c\u1ef1c \u0111\u1ea1i v\u00e0o kho\u1ea3ng nhi\u1ec7t 25-35 \u0111\u1ed9 C. 6. Qu\u00e1 tr\u00ecnh quang h\u1ee3p c\u1ea7n ph\u1ea3i c\u00f3 bao nhi\u00eau nh\u00e2n t\u1ed1 sau \u0111\u00e2y? I. \u00c1nh s\u00e1ng II. CO2 III. H2O IV. O2 V. B\u1ed9 m\u00e1y quang h\u1ee3p A. 4. B. 5. C. 2. D. 3. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0: \u00c1nh s\u00e1ng, n\u01b0\u1edbc, carbon dioxide, nhi\u1ec7t \u0111\u1ed9, b\u1ed9 m\u00e1y quang h\u1ee3p c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh quang h\u1ee3p. \u1ea2nh h\u01b0\u1edfng c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u0111\u1ebfn c\u00e1c lo\u00e0i c\u00e2y l\u00e0 kh\u00e1c nhau. C\u00f2n O2 l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a qu\u00e1 tr\u00ecnh quang h\u1ee3p. Trang 1\/3","7. Nh\u1eadn \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang? B. \u1ede \u0111i\u1ec1u ki\u1ec7n c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng cao, gi\u1ea3m n\u1ed3ng \u0111\u1ed9 CO2 A. \u1ede \u0111i\u1ec1u ki\u1ec7n c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng th\u1ea5p, t\u0103ng n\u1ed3ng \u0111\u1ed9 thu\u1eadn l\u1ee3i cho quang h\u1ee3p. CO2 thu\u1eadn l\u1ee3i cho quang h\u1ee3p. D. \u1ede \u0111i\u1ec1u ki\u1ec7n c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng cao, t\u0103ng n\u1ed3ng \u0111\u1ed9 CO2 C. \u1ede \u0111i\u1ec1u ki\u1ec7n c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng th\u1ea5p, gi\u1ea3m n\u1ed3ng \u0111\u1ed9 thu\u1eadn l\u1ee3i cho quang h\u1ee3p. CO2 thu\u1eadn l\u1ee3i cho quang h\u1ee3p. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: \u1ede \u0111i\u1ec1u ki\u1ec7n c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng cao, t\u0103ng n\u1ed3ng \u0111\u1ed9 CO2 thu\u1eadn l\u1ee3i cho quang h\u1ee3p. Tuy nhi\u00ean khi \u0111\u1ebfn ng\u01b0\u1ee1ng quang h\u1ee3p c\u1ef1c \u0111\u1ea1i th\u00ec c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng v\u00e0 n\u1ed3ng \u0111\u1ed9 CO2 t\u0103ng l\u00ean c\u0169ng kh\u00f4ng l\u00e0m c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p t\u0103ng. 8. \u0110i\u1ec3m b\u00e3o h\u00f2a \u00e1nh s\u00e1ng l\u00e0 B. c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng \u0111\u1ec3 c\u00e2y ng\u1eebng quang h\u1ee3p. A. c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng t\u1ed1i \u0111a \u0111\u1ec3 c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p b\u1eb1ng c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p. D. c\u01b0\u1eddng \u0111\u1ed9 t\u1ed1i \u0111a \u0111\u1ec3 c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p b\u00e9 h\u01a1n c\u01b0\u1eddng C. c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng m\u00e0 c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p \u0111\u1ea1t c\u1ef1c \u0111\u1ed9 h\u00f4 h\u1ea5p. \u0111\u1ea1i. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: -C\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng t\u0103ng l\u00e0m t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p cho \u0111\u1ebfn khi \u0111\u1ea1t t\u1edbi \u0111i\u1ec3m b\u00e3o h\u00f2a \u00e1nh s\u00e1ng. T\u1eeb \u0111i\u1ec3m b\u00e3o h\u00f2a tr\u1edf \u0111i, c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng t\u0103ng th\u00ec c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p gi\u1ea3m d\u1ea7n. - \u0110i\u1ec3m b\u00e3o h\u00f2a \u00e1nh s\u00e1ng (Im): C\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng \u0111\u1ec3 c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i. 9. Gi\u1ea3 s\u1eed nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m cho kh\u00ed kh\u1ed5ng \u0111\u00f3ng th\u00ec c\u00e2y n\u00e0o d\u01b0\u1edbi \u0111\u00e2y kh\u00f4ng c\u00f3 h\u00f4 h\u1ea5p s\u00e1ng? A. Rau mu\u1ed1ng. B. L\u00faa n\u01b0\u1edbc. C. D\u1ee9a. D. L\u00faa m\u00ec. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Ch\u1ec9 c\u00f3 th\u1ef1c v\u1eadt C4 m\u1edbi kh\u00f4ng c\u00f3 h\u00f4 h\u1ea5p s\u00e1ng. Trong c\u00e1c lo\u1ea1i th\u1ef1c v\u1eadt n\u00f3i tr\u00ean th\u00ec d\u1ee9a l\u00e0 th\u1ef1c v\u1eadt C4. H\u00f4 h\u1ea5p s\u00e1ng th\u01b0\u1eddng x\u1ea3y ra \u1edf \u0111\u1ed9ng v\u1eadt C3 trong \u0111i\u1ec1u ki\u1ec7n c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng cao v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p cao. Ngo\u00e0i ra, qu\u00e1 tr\u00ecnh n\u00e0y c\u00f2n c\u1ea7n CO2 \u1edf l\u1ee5c l\u1ea1p c\u1ea1n ki\u1ec7t v\u00e0 O2 t\u00edch l\u0169y nhi\u1ec1u trong l\u1ee5c l\u1ea1p. 10. N\u1ebfu c\u00f9ng c\u01b0\u1eddng \u0111\u1ed9 chi\u1ebfu s\u00e1ng th\u00ec \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc m\u00e0u \u0111\u1ecf s\u1ebd c\u00f3 hi\u1ec7u qu\u1ea3 quang h\u1ee3p A. nh\u1ecf h\u01a1n \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc m\u00e0u xanh lam. B. l\u1edbn h\u01a1n \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc m\u00e0u xanh t\u00edm. C. b\u1eb1ng \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc m\u00e0u xanh t\u00edm. D. k\u00e9m h\u01a1n \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc m\u00e0u xanh t\u00edm. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: - Di\u1ec7p l\u1ee5c h\u1ea5p thu \u0111\u01b0\u1ee3c c\u00e0ng nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng th\u00ec hi\u1ec7u qu\u1ea3 quang h\u1ee3p c\u00e0ng cao. -\u00c1nh s\u00e1ng \u0111\u1ecf c\u00f3 b\u01b0\u1edbc s\u00f3ng l\u1edbn (600 \u2013 700nm) h\u01a1n \u00e1nh s\u00e1ng xanh (420 \u2013 470nm) n\u00ean khi c\u00f9ng 1 c\u01b0\u1eddng \u0111\u1ed9 chi\u1ebfu s\u00e1ng, s\u1ed1 photon c\u1ee7a \u00e1nh s\u00e1ng \u0111\u1ecf s\u1ebd l\u1edbn h\u01a1n, k\u00edch th\u00edch \u0111\u01b0\u1ee3c nhi\u1ec1u di\u1ec7p l\u1ee5c h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 quang h\u1ee3p s\u1ebd l\u1edbn h\u01a1n \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc m\u00e0u xanh t\u00edm. 11. \u0110\u01a1n v\u1ecb c\u1ee7a c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p l\u00e0 A. mgO2\/ dm2 l\u00e1\/ gi\u1edd. B. mg\/m3. C. mgCO2\/ dm2 l\u00e1\/ gi\u1edd. D. km\/gi\u1edd. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p l\u00e0 ch\u1ec9 s\u1ed1 th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 m\u00e1y quang h\u1ee3p. C\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p t\u00ednh b\u1eb1ng mgCO2\/ dm2 l\u00e1\/ gi\u1edd. 12. Khi s\u1ed1ng \u1edf m\u00f4i tr\u01b0\u1eddng c\u00f3 kh\u00ed h\u1eadu kh\u00f4 n\u00f3ng, cac lo\u00e0i c\u00e2y thu\u1ed9c nh\u00f3m n\u00e0o sau \u0111\u00e2y c\u00f3 h\u00f4 h\u1ea5p s\u00e1ng? A. C\u00e2y thu\u1ed9c nh\u00f3m C3. B. C\u00e2y thu\u1ed9c nh\u00f3m C3 v\u00e0 C4. C. C\u00e2y thu\u1ed9c nh\u00f3m C4. D. C\u00e2y thu\u1ed9c nh\u00f3m th\u1ef1c v\u1eadt CAM. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: + H\u00f4 h\u1ea5p s\u00e1ng l\u00e0 qu\u00e1 tr\u00ecnh h\u1ea5p th\u1ee5 oxi v\u00e0 gi\u1ea3i ph\u00f3ng kh\u00ed CO2 ngo\u00e0i \u00e1nh s\u00e1ng. B\u00ean c\u1ea1nh \u0111\u00f3, h\u00f4 h\u1ea5p s\u00e1ng c\u00f2n c\u00f3 t\u00ean g\u1ecdi kh\u00e1c l\u00e0 quang h\u00f4 h\u1ea5p. Qu\u00e1 tr\u00ecnh n\u00e0y x\u1ea3y ra \u0111\u1ed3ng th\u1eddi v\u1edbi qu\u00e1 tr\u00ecnh quang h\u1ee3p. + \u0110\u1eb7c bi\u1ec7t, h\u00f4 h\u1ea5p s\u00e1ng th\u01b0\u1eddng x\u1ea3y ra \u1edf \u0111\u1ed9ng v\u1eadt C3 trong \u0111i\u1ec1u ki\u1ec7n c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng cao v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p cao. Ngo\u00e0i ra, qu\u00e1 tr\u00ecnh n\u00e0y c\u00f2n c\u1ea7n CO2 \u1edf l\u1ee5c l\u1ea1p c\u1ea1n ki\u1ec7t v\u00e0 O2 t\u00edch l\u0169y nhi\u1ec1u trong l\u1ee5c l\u1ea1p. + N\u01a1i x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng h\u00f4 h\u1ea5p \u00e1nh s\u00e1ng l\u00e0 \u1edf b\u00e0o quan. \u0110\u1ea7u ti\u00ean x\u1ea3y ra b\u1eaft \u0111\u1ea7u \u1edf l\u1ee5c l\u1ea1p r\u1ed3i \u0111\u1ebfn peroxisome v\u00e0 cu\u1ed1i c\u00f9ng k\u1ebft th\u00fac t\u1ea1i ty th\u1ec3. Trang 2\/3","13. \u0110\u00e2u kh\u00f4ng ph\u1ea3i l\u00e0 s\u1eafc t\u1ed1 quang h\u1ee3p? A. Carotenoid. B. Enzyme. C. Phycobilin. D. Di\u1ec7p l\u1ee5c. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: H\u1ec7 s\u1eafc t\u1ed1 quang h\u1ee3p g\u1ed3m 3 nh\u00f3m s\u1eafc t\u1ed1: di\u1ec7p l\u1ee5c (chlorophyll), carotenoid, phycobilin. Trong \u0111\u00f3 clorophyll a v\u00e0 clorophyll b l\u00e0 nh\u00f3m s\u1eafc t\u1ed1 ch\u00ednh. 14. B\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng c\u00f3 hi\u1ec7u qu\u1ea3 cao nh\u1ea5t \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh quang h\u1ee3p l\u00e0 A. xanh l\u1ee5c. B. v\u00e0ng. C. da cam. D. \u0111\u1ecf. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: - Trong ph\u1ed5 \u00e1nh s\u00e1ng sinh h\u1ecdc (380-800 nm), b\u01b0\u1edbc s\u00f3ng c\u00e0ng ng\u1eafn th\u00ec m\u1ee9c n\u0103ng l\u01b0\u1ee3ng c\u1ee7a \u00e1nh s\u00e1ng \u0111\u00f3 c\u00e0ng l\u1edbn, ta s\u1ebd c\u00f3: + \u00c1nh s\u00e1ng \u0111\u1ecf c\u00f3 b\u1ee9c s\u00f3ng d\u00e0i h\u01a1n \u2192 S\u1ed1 l\u01b0\u1ee3ng tia nhi\u1ec1u h\u01a1n Hi\u1ec7u qu\u1ea3 c\u1ee7a quang h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ed1 tia s\u00e1ng ch\u1ee9 kh\u00f4ng ph\u1ee5 thu\u1ed9c m\u1ee9c n\u0103ng l\u01b0\u1ee3ng ( M\u1ed9t ph\u1ea7n c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch l\u00e0 do khi tia s\u00e1ng chi\u1ebfu t\u1edbi l\u00e1 m\u1ed9t ph\u1ea7n b\u1ecb b\u1ee9c x\u1ea1 tr\u1edf l\u1ea1i v\u00e0 m\u1ed9t ph\u1ea7n nh\u1ecf l\u00e0 c\u00f3 \u00edch.... ) + Th\u1ee9 2 l\u00e0 trong ph\u1ed5 h\u1ea5p th\u1ee5 c\u1ee7a c\u00e1c s\u1eafc t\u1ed1 quang h\u1ee3p (\u0111\u1eb7c bi\u1ec7t l\u00e0 clorophill) s\u1ebd h\u1ea5p th\u1ee5 t\u1ed1t h\u01a1n v\u1edbi m\u1ee9c n\u0103ng l\u01b0\u1ee3ng c\u1ee7a \u00e1nh s\u00e1nh m\u00e0u \u0111\u1ecf ( gi\u1ea3i th\u00edch theo thuy\u1ebft l\u01b0\u1ee3ng t\u1eed: ch\u1ec9 khi nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t m\u1ee9c n\u0103ng l\u01b0\u1ee3ng v\u1eeba ng\u01b0\u1ee1ng th\u00ec ph\u00e2n t\u1eed s\u1eafc t\u1ed1 m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5). 15. N\u1ed3ng \u0111\u1ed9 CO2 trong kh\u00f4ng kh\u00ed th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh quang h\u1ee3p l\u00e0 A. 0,03%. B. 0,01%. C. 0,02%. D. 0,04%. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: N\u1ed3ng \u0111\u1ed9 CO2 th\u1ea5p nh\u1ea5t m\u00e0 c\u00e2y c\u00f3 th\u1ec3 quang h\u1ee3p l\u00e0 0,008 - 0,01 % v\u00e0 n\u1ed3ng \u0111\u1ed9 th\u00edch h\u1ee3p nh\u1ea5t l\u00e0 0,03%. Trang 3\/3","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP B\u00c0I 6: H\u00d4 H\u1ea4PT\u1ebe B\u00c0O (PH\u1ea6N 1) Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. V\u00ec sao ch\u00fang ta kh\u00f4ng n\u00ean b\u1eaft sao bi\u1ec3n l\u00ean b\u1edd? B. Sao bi\u1ec3n kh\u00f4ng ki\u1ebfm \u0103n \u0111\u01b0\u1ee3c n\u1ebfu thi\u1ebfu n\u01b0\u1edbc. A. Sao bi\u1ec3n l\u00ean b\u1edd g\u00e2y h\u1ea1i cho con ng\u01b0\u1eddi. D. Khi b\u1eaft sao bi\u1ec3n l\u00ean b\u1edd, sao bi\u1ec3n b\u1ecb ch\u1ebft do kh\u00f4ng h\u00f4 h\u1ea5p \u0111\u01b0\u1ee3c. C. V\u00ec l\u00e0m m\u1ea5t c\u1ea3nh quan tr\u00ean b\u1edd bi\u1ec3n. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Sao bi\u1ec3n l\u00e0 sinh v\u1eadt s\u1ed1ng d\u01b0\u1edbi n\u01b0\u1edbc, ch\u00fang th\u1edf b\u1eb1ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ch b\u01a1m n\u01b0\u1edbc bi\u1ec3n qua kh\u1eafp c\u01a1 th\u1ec3 thay cho m\u00e1u. Do v\u1eady, khi c\u1ea7m sao bi\u1ec3n l\u00ean kh\u1ecfi m\u1eb7t n\u01b0\u1edbc bi\u1ec3n \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c \u0111\u00e3 r\u00fat c\u1ea1n \u201cm\u00e1u\u201d ra kh\u1ecfi c\u01a1 th\u1ec3 c\u1ee7a ch\u00fang, khi\u1ebfn kh\u00f4ng th\u1ec3 h\u00f4 h\u1ea5p \u0111\u01b0\u1ee3c v\u00e0 l\u00e0m sao bi\u1ec3n ch\u1ebft t\u1eeb t\u1eeb do kh\u00f4ng \u0111\u01b0\u1ee3c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 c\u01a1 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng. 2. Ch\u1ea5t n\u00e0o d\u01b0\u1edbi \u0111\u00e2y l\u00e0 ch\u1ea5t tham gia trong h\u00f4 h\u1ea5p t\u1ebf b\u00e0o? A. N\u01b0\u1edbc. B. Kh\u00ed carbon dioxide. C. Kh\u00ed oxygen. D. ATP. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Oxygen l\u00e0 ch\u1ea5t tham gia trong qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o. 3. Giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n n\u00e0o c\u1ee7a c\u00e2y \u0111\u1eadu c\u00f3 qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o m\u1ea1nh m\u1ebd nh\u1ea5t? A. Ra hoa. B. N\u1ea3y m\u1ea7m. C. T\u1ea1o h\u1ea1t. D. Sinh tr\u01b0\u1edfng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Th\u1ef1c v\u1eadt kh\u00f4ng c\u00f3 c\u01a1 quan h\u00f4 h\u1ea5p chuy\u00ean tr\u00e1ch. H\u00f4 h\u1ea5p di\u1ec5n ra trong m\u1ecdi c\u01a1 quan c\u1ee7a c\u01a1 th\u1ec3 th\u1ef1c v\u1eadt, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c c\u01a1 quan \u0111ang c\u00f3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng sinh l\u00ed m\u1ea1nh nh\u01b0 h\u1ea1t \u0111ang n\u1ea3y m\u1ea7m. Khi \u0111\u00f3 c\u00e2y \u0111\u1eadu c\u1ea7n ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng l\u1edbn \u0111\u1ec3 ph\u00e1t tri\u1ec3n m\u1ed9t c\u00e1ch m\u1ea1nh m\u1ebd nh\u1ea5t. T\u1ed1c \u0111\u1ed9 trao \u0111\u1ed5i ch\u1ea5t c\u0169ng \u0111\u01b0\u1ee3c \u0111\u1ea9y nhanh \u0111\u1ec3 c\u00e2y l\u1edbn l\u00ean nhanh ch\u00f3ng.","4. B\u00e0o quan n\u00e0o l\u00e0 n\u01a1i di\u1ec5n ra qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p \u1edf t\u1ebf b\u00e0o nh\u00e2n th\u1ef1c? A. Ti th\u1ec3. B. L\u1ee5c l\u1ea1p. C. T\u1ebf b\u00e0o ch\u1ea5t. D. M\u00e0ng t\u1ebf b\u00e0o. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: \u1ede sinh v\u1eadt nh\u00e2n th\u1ef1c, qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o x\u1ea3y ra \u1edf ti th\u1ec3. Ti th\u1ec3 l\u00e0 b\u00e0o quan c\u00f3 2 l\u1edbp m\u00e0ng bao b\u1ecdc v\u00e0 \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 \u201cNh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n\u201d c\u1ee7a t\u1ebf b\u00e0o. 5. S\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e1c giai \u0111o\u1ea1n trong qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o \u0111\u1ec1u l\u00e0 A. \u0111\u01b0\u1eddng. B. n\u01b0\u1edbc. C. ATP. D. CO2. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: S\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e1c giai \u0111o\u1ea1n trong qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o \u0111\u1ec1u t\u1ea1o ra ph\u00e2n t\u1eed ATP. 6. ATP kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng \u1ed3 \u1ea1t m\u00e0 t\u1eeb t\u1eeb qua c\u00e1c giai \u0111o\u1ea1n nh\u1eb1m B. thu \u0111\u01b0\u1ee3c nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n. A. tr\u00e1nh l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng. D. thu \u0111\u01b0\u1ee3c nhi\u1ec1u CO2 h\u01a1n. C. tr\u00e1nh \u0111\u1ed1t ch\u00e1y t\u1ebf b\u00e0o. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: N\u1ebfu l\u1ea5y ngay n\u0103ng l\u01b0\u1ee3ng t\u1eeb glucose s\u1ebd thu \u0111\u01b0\u1ee3c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng l\u1edbn, gi\u1ea3i ph\u00f3ng \u1ed3 \u1ea1t, l\u01b0\u1ee3ng nhi\u1ec7t gi\u1ea3i ph\u00f3ng ra t\u0103ng cao s\u1ebd \u0111\u1ed1t ch\u00e1y t\u1ebf b\u00e0o. Khi qua ti th\u1ec3 t\u1ea1o ATP l\u00e0 d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng d\u1ec5 s\u1eed d\u1ee5ng, d\u1ec5 v\u1eadn chuy\u1ec3n, n\u0103ng l\u01b0\u1ee3ng gi\u1ea3i ph\u00f3ng t\u1eeb t\u1eeb n\u00ean tr\u00e1nh g\u00e2y \u0111\u1ed1t n\u00f3ng t\u1ebf b\u00e0o. 7. V\u00ec sao khi tr\u1eddi l\u1ea1nh ch\u00fang ta th\u01b0\u1eddng nhanh \u0111\u00f3i h\u01a1n khi tr\u1eddi \u1ea5m? B. Khi tr\u1eddi l\u1ea1nh, t\u1ed1c \u0111\u1ed9 c\u1ee7a qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf di\u1ec5n ra A. Khi tr\u1eddi l\u1ea1nh, h\u1ec7 ti\u00eau h\u00f3a ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh h\u01a1n n\u00ean c\u01a1 ch\u1eadm h\u01a1n n\u00ean c\u01a1 th\u1ec3 nhanh \u0111\u00f3i h\u01a1n. th\u1ec3 nhanh \u0111\u00f3i. D. Khi tr\u1eddi \u1ea5m, c\u01a1 th\u1ec3 kh\u00f4ng c\u1ea7n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 C. H\u00f4 h\u1ea5p t\u1ebf b\u00e0o ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh \u0111\u1ec3 t\u0103ng nhi\u1ec7t \u0111\u1ed9 cho c\u01a1 ho\u1ea1t \u0111\u1ed9ng. th\u1ec3 n\u00ean c\u01a1 th\u1ec3 \u0111\u00f2i h\u1ecfi th\u00eam glucose t\u1eeb th\u1ee9c \u0103n. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: M\u00f9a \u0110\u00f4ng ti\u1ebft tr\u1eddi l\u1ea1nh, m\u1ed7i khi v\u1eadn \u0111\u1ed9ng c\u01a1 th\u1ec3 s\u1ebd ti\u00eau hao r\u1ea5t nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng. C\u01a1 th\u1ec3 s\u1ebd \u0111\u00f2i h\u1ecfi ph\u1ea3i b\u00f9 \u0111\u1eafp n\u0103ng l\u01b0\u1ee3ng thi\u1ebfu h\u1ee5t \u0111\u1ec3 duy tr\u00ec th\u1ec3 l\u1ef1c c\u0169ng nh\u01b0 gi\u1eef \u1ea5m n\u00ean th\u01b0\u1eddng c\u00f3 c\u1ea3m gi\u00e1c nhanh \u0111\u00f3i. \u0110\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1i l\u1ea1nh c\u1ee7a m\u00f9a \u0110\u00f4ng, c\u01a1 th\u1ec3 s\u1ebd t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh c\u01a1 ch\u1ebf chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t b\u00e9o th\u00e0nh \u0111\u01b0\u1eddng m\u1ed9t c\u00e1ch nhanh nh\u1ea5t, gia t\u0103ng t\u1ed1c \u0111\u1ed9 trao \u0111\u1ed5i ch\u1ea5t \u0111\u1ec3 c\u01a1 th\u1ec3 s\u1ea3n sinh nhanh nhi\u1ec7t l\u01b0\u1ee3ng, v\u00ec th\u1ebf m\u00e0 ch\u00fang ta c\u0169ng c\u1ea3m th\u1ea5y th\u00e8m \u0103n h\u01a1n. 8. H\u00f4 h\u1ea5p t\u1ebf b\u00e0o l\u00e0 B. qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a v\u1eadt ch\u1ea5t h\u1eefu c\u01a1 ngo\u00e0i t\u1ebf b\u00e0o A. qu\u00e1 tr\u00ecnh t\u1ebf b\u00e0o ph\u00e2n gi\u1ea3i ch\u1ea5t h\u1eefu c\u01a1 gi\u1ea3i ph\u00f3ng n\u0103ng th\u00e0nh n\u0103ng l\u01b0\u1ee3ng trong t\u1ebf b\u00e0o. l\u01b0\u1ee3ng cung c\u1ea5p cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a t\u1ebf b\u00e0o. C. qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng c\u1ee7a c\u00e1c nguy\u00ean li\u1ec7u D. qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p v\u1eadt ch\u1ea5t h\u1eefu c\u01a1 trong t\u1ebf b\u00e0o. v\u00f4 c\u01a1 th\u00e0nh n\u0103ng l\u01b0\u1ee3ng trong t\u1ebf b\u00e0o. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: H\u00f4 h\u1ea5p t\u1ebf b\u00e0o l\u00e0 qu\u00e1 tr\u00ecnh t\u1ebf b\u00e0o ph\u00e2n gi\u1ea3i ch\u1ea5t h\u1eefu c\u01a1 t\u1ea1o th\u00e0nh carbon dioxide, n\u01b0\u1edbc, \u0111\u1ed3ng th\u1eddi gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng cung c\u1ea5p cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a t\u1ebf b\u00e0o v\u00e0 c\u01a1 th\u1ec3. 9. H\u00f4 h\u1ea5p t\u1ebf b\u00e0o gi\u1ea3i ph\u00f3ng B. nhi\u1ec7t n\u0103ng. C. th\u1ebf n\u0103ng. D. quang n\u0103ng. A. \u0111\u1ed9ng n\u0103ng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o gi\u1ea3i ph\u00f3ng ra n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t gi\u00fap duy tr\u00ec th\u00e2n nhi\u1ec7t. Trang 2\/4 10. T\u1ebf b\u00e0o n\u00e0o trong c\u00e1c t\u1ebf b\u00e0o d\u01b0\u1edbi \u0111\u00e2y ch\u1ee9a nhi\u1ec1u ti th\u1ec3 nh\u1ea5t?","A. T\u1ebf b\u00e0o h\u1ed3ng c\u1ea7u B. T\u1ebf b\u00e0o gan. C. T\u1ebf b\u00e0o bi\u1ec3u b\u00ec. D. T\u1ebf b\u00e0o c\u01a1 tim. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Ti th\u1ec3 c\u00f3 ch\u1ee9c n\u0103ng t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng. V\u1eady n\u00ean t\u1ebf b\u00e0o c\u00e0ng ho\u1ea1t \u0111\u1ed9ng nhi\u1ec1u v\u00e0 c\u1ea7n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng th\u00ec c\u00e0ng c\u00f3 nhi\u1ec1u ti th\u1ec3. T\u1ebf b\u00e0o c\u01a1 tim c\u00f3 nhi\u1ec1u ti th\u1ec3 nh\u1ea5t do ch\u00fang ho\u1ea1t \u0111\u1ed9ng nhi\u1ec1u, li\u00ean t\u1ee5c v\u00e0 kh\u00f4ng ng\u01b0ng ngh\u1ec9 \u0111\u1ec3 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a c\u01a1 th\u1ec3 n\u00ean c\u1ea7n r\u1ea5t nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng. 11. H\u00f4 h\u1ea5p t\u1ebf b\u00e0o \u0111\u01b0\u1ee3c chia l\u00e0m m\u1ea5y giai \u0111o\u1ea1n? A. 5 giai \u0111o\u1ea1n. B. 2 giai \u0111o\u1ea1n. C. 3 giai \u0111o\u1ea1n. D. 4 giai \u0111o\u1ea1n. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: H\u00f4 h\u1ea5p t\u1ebf b\u00e0o \u0111\u01b0\u1ee3c chia l\u00e0m 3 giai \u0111o\u1ea1n g\u1ed3m: \u0110\u01b0\u1eddng ph\u00e2n, Chu tr\u00ecnh Crep v\u00e0 Chu\u1ed7i truy\u1ec1n electron h\u00f4 h\u1ea5p. 12. T\u1ed1c \u0111\u1ed9 c\u1ee7a qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p ph\u1ee5 thu\u1ed9c ch\u00ednh v\u00e0o B. h\u00e0m l\u01b0\u1ee3ng O2 trong t\u1ebf b\u00e0o. A. n\u1ed3ng \u0111\u1ed9 c\u01a1 ch\u1ea5t. D. t\u1ec9 l\u1ec7 gi\u1eefa CO2\/O2. C. nhu c\u1ea7u n\u0103ng l\u01b0\u1ee3ng c\u1ee7a t\u1ebf b\u00e0o. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: T\u1ed1c \u0111\u1ed9 qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p ph\u1ee5 thu\u1ed9c v\u00e0o ch\u00ednh v\u00e0o nhu c\u1ea7u n\u0103ng l\u01b0\u1ee3ng c\u1ee7a t\u1ebf b\u00e0o, ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nh\u01b0: enzyme, nhi\u1ec7t \u0111\u1ed9, ... 13. S\u1ef1 h\u00f4 h\u1ea5p n\u1ed9i b\u00e0o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd B. vai tr\u00f2 x\u00fac t\u00e1c c\u1ee7a c\u00e1c enzyme h\u00f4 h\u1ea5p. A. vai tr\u00f2 c\u1ee7a c\u00e1c ph\u00e2n t\u1eed ATP. D. s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a c\u00e1c nguy\u00ean t\u1eed H. C. S\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a c\u00e1c ph\u00e2n t\u1eed CO2. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u00e1c ph\u1ea3n \u1ee9ng h\u00f4 h\u1ea5p di\u1ec5n ra nh\u1edd c\u00e1c enzyme x\u00fac t\u00e1c. H\u00f4 h\u1ea5p t\u1ebf b\u00e0o l\u00e0 t\u1eadp h\u1ee3p c\u00e1c ph\u1ea3n \u1ee9ng ho\u00e1 sinh do \u0111\u00f3 c\u1ea7n c\u00f3 s\u1ef1 x\u00fac t\u00e1c c\u1ee7a c\u00e1c enzyme \u0111\u1ec3 cho c\u00e1c ph\u1ea3n \u1ee9ng \u0111\u00f3 di\u1ec5n ra. 14. Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng ph\u00e2n t\u1eed A. ATP. B. \u0110\u01b0\u1eddng. C. N\u01b0\u1edbc. D. DNA. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng ph\u00e2n t\u1eed ATP, l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t cao n\u0103ng c\u00f3 ch\u1ee9a n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c li\u00ean k\u1ebft ho\u00e1 h\u1ecdc \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a t\u1ebf b\u00e0o v\u00e0 c\u01a1 th\u1ec3. 15. Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p c\u00f3 \u00fd ngh\u0129a sinh h\u1ecdc l\u00e0 Trang 3\/4","A. th\u1ea3i c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i ra kh\u1ecfi t\u1ebf b\u00e0o. B. \u0111\u1ea3m b\u1ea3o s\u1ef1 c\u00e2n b\u1eb1ng O2 v\u00e0 CO2 trong kh\u00ed quy\u1ec3n. C. chuy\u1ec3n ho\u00e1 gluxit th\u00e0nh CO2, H2O v\u00e0 n\u0103ng l\u01b0\u1ee3ng. D. t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng cung c\u1ea5p cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng H\u01b0\u1edbng d\u1eabn gi\u1ea3i: cho t\u1ebf b\u00e0o v\u00e0 c\u01a1 th\u1ec3. Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p c\u00f3 \u00fd ngh\u0129a sinh h\u1ecdc l\u00e0: t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng cung c\u1ea5p cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng cho t\u1ebf b\u00e0o v\u00e0 c\u01a1 th\u1ec3. Trang 4\/4","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP B\u00c0I 7: H\u00d4 H\u1ea4PT\u1ebe B\u00c0O (PH\u1ea6N 2) Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. \u0110i\u1ec1u n\u00e0o sau \u0111\u00e2y kh\u00f4ng \u0111\u00fang khi n\u00f3i v\u1ec1 qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o? B. L\u00e0 qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 t\u1eeb nh\u1eefng ch\u1ea5t A. H\u00f4 h\u1ea5p t\u1ebf b\u00e0o t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng ATP. v\u00f4 c\u01a1. D. L\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u00f3 trong ch\u1ea5t dinh C. H\u00f4 h\u1ea5p t\u1ebf b\u00e0o l\u00e0 qu\u00e1 tr\u00ecnh d\u1ecb h\u00f3a. d\u01b0\u1ee1ng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: H\u00f4 h\u1ea5p t\u1ebf b\u00e0o l\u00e0 qu\u00e1 tr\u00ecnh t\u1ebf b\u00e0o ph\u00e2n gi\u1ea3i ch\u1ea5t h\u1eefu c\u01a1 t\u1ea1o th\u00e0nh carbon dioxide, n\u01b0\u1edbc, \u0111\u1ed3ng th\u1eddi gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng cung c\u1ea5p cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a t\u1ebf b\u00e0o v\u00e0 c\u01a1 th\u1ec3. 2. \u0110i\u1ec1u n\u00e0o sau \u0111\u00e2y ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c nh\u1ea5t v\u1ec1 qu\u00e1 tr\u00ecnh d\u1ecb h\u00f3a? B. T\u1ed5ng h\u1ee3p ch\u1ea5t kh\u00ed. A. T\u1ed5ng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 t\u1eeb c\u00e1c ch\u1ea5t v\u00f4 c\u01a1 \u0111\u01a1n gi\u1ea3n. D. Ph\u00e2n gi\u1ea3i ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng. C. Ph\u00e2n gi\u1ea3i ch\u1ea5t h\u1eefu c\u01a1 th\u00e0nh c\u00e1c ch\u1ea5t t\u01b0\u01a1ng \u0111\u1ed3ng nhau. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: D\u1ecb ho\u00e1 l\u00e0 qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 (glucose\u2026) th\u00e0nh nh\u1eefng ch\u1ea5t \u0111\u01a1n gi\u1ea3n, \u0111\u1ed3ng th\u1eddi gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng. 3. \u0110i\u1ec1u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang khi n\u00f3i v\u1ec1 trao \u0111\u1ed5i v\u1eadt ch\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng? A. C\u01a1 th\u1ec3 th\u1ec9nh tho\u1ea3ng c\u1ea7n trao \u0111\u1ed5i ch\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 B. C\u01a1 th\u1ec3 th\u01b0\u1eddng xuy\u00ean c\u1ea7n trao \u0111\u1ed5i ch\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n. \u0111\u1ec3 t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n. C. C\u01a1 th\u1ec3 \u00edt khi trao \u0111\u1ed5i ch\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng v\u1eabn duy tr\u00ec D. C\u01a1 th\u1ec3 lu\u00f4n lu\u00f4n c\u1ea7n trao \u0111\u1ed5i ch\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 \u0111\u01b0\u1ee3c s\u1ef1 t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n. t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u01a1 th\u1ec3 lu\u00f4n lu\u00f4n c\u1ea7n trao \u0111\u1ed5i ch\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n. M\u1ecdi ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a c\u01a1 th\u1ec3 \u0111\u1ec1u b\u1eaft \u0111\u1ea7u t\u1eeb s\u1ef1 chuy\u1ec3n ho\u00e1 v\u1eadt ch\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a t\u1ebf b\u00e0o. 4. \u0110\u1ed3ng ho\u00e1 v\u00e0 d\u1ecb ho\u00e1 l\u00e0 hai qu\u00e1 tr\u00ecnh B. \u0111\u1ec1u x\u1ea3y ra s\u1ef1 t\u00edch lu\u1ef9 n\u0103ng l\u01b0\u1ee3ng. A. m\u00e2u thu\u1eabn nhau. D. \u0111\u1ed1i l\u1eadp nhau. C. \u0111\u1ec1u x\u1ea3y ra s\u1ef1 t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: \u0110\u1ed3ng ho\u00e1 v\u00e0 d\u1ecb ho\u00e1 l\u00e0 hai qu\u00e1 tr\u00ecnh \u0111\u1ed1i l\u1eadp nhau. Trang 1\/4","5. \u0110\u00e2u kh\u00f4ng ph\u1ea3i v\u00ed d\u1ee5 v\u1ec1 qu\u00e1 tr\u00ecnh \u0111\u1ed3ng h\u00f3a \u1edf ng\u01b0\u1eddi? A. Kho\u00e1ng h\u00f3a c\u1ee7a B. T\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u01a1 C. Gi\u1ea3m l\u01b0\u1ee3ng m\u1ee1 th\u1eeba. D. T\u0103ng tr\u01b0\u1edfng c\u1ee7a x\u01b0\u01a1ng. x\u01b0\u01a1ng. b\u1eafp. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: V\u00ed d\u1ee5 v\u1ec1 qu\u00e1 tr\u00ecnh \u0111\u1ed3ng h\u00f3a \u1edf ng\u01b0\u1eddi g\u1ed3m: T\u0103ng tr\u01b0\u1edfng c\u1ee7a x\u01b0\u01a1ng, kho\u00e1ng h\u00f3a c\u1ee7a x\u01b0\u01a1ng, t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u01a1 b\u1eafp. V\u00ec \u0111\u1ec1u l\u00e0 qu\u00e1 tr\u00ecnh qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1. 6. \u0110i\u1ec1u n\u00e0o sau \u0111\u00e2y kh\u00f4ng \u0111\u00fang khi n\u00f3i v\u1ec1 qu\u00e1 tr\u00ecnh quang h\u1ee3p? B. Quang h\u1ee3p ph\u00e2n gi\u1ea3i c\u00e1c c\u00e1c ch\u1ea5t h\u1eefu c\u01a1. A. Quang h\u1ee3p d\u1ef1 tr\u1eef n\u0103ng l\u01b0\u1ee3ng cho c\u01a1 th\u1ec3 th\u1ef1c v\u1eadt. D. Quang h\u1ee3p t\u1ed5ng h\u1ee3p n\u00ean ch\u1ea5t h\u1eefu c\u01a1. C. Quang h\u1ee3p l\u00e0 qu\u00e1 tr\u00ecnh \u0111\u1ed3ng h\u00f3a. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Quang h\u1ee3p l\u00e0 qu\u00e1 tr\u00ecnh thu nh\u1eadn v\u00e0 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng, t\u1ed5ng h\u1ee3p n\u00ean c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 t\u1eeb c\u00e1c ch\u1ea5t v\u00f4 c\u01a1 nh\u01b0 n\u01b0\u1edbc, kh\u00ed carbon dioxide, \u0111\u1ed3ng th\u1eddi th\u1ea3i ra kh\u00ed oxygen. T\u1eeb \u0111\u00f3 d\u1ef1 tr\u1eef n\u0103ng l\u01b0\u1ee3ng cho c\u01a1 th\u1ec3 th\u1ef1c v\u1eadt. 7. \u0110i\u1ec1u n\u00e0o sau \u0111\u00e2y \u0111\u00fang khi n\u00f3i v\u1ec1 t\u1ec9 l\u1ec7 gi\u1eefa \u0111\u1ed3ng h\u00f3a v\u00e0 d\u1ecb h\u00f3a \u1edf c\u01a1 th\u1ec3? A. T\u1ec9 l\u1ec7 gi\u1eefa \u0111\u1ed3ng ho\u00e1 v\u00e0 d\u1ecb ho\u00e1 \u1edf c\u01a1 th\u1ec3 (kh\u00e1c nhau v\u1ec3 B. \u1ede tr\u1ebb em, c\u01a1 th\u1ec3 \u0111ang l\u1edbn, qu\u00e1 tr\u00ecnh \u0111\u1ed3ng ho\u00e1 nh\u1ecf h\u01a1n \u0111\u1ed9 tu\u1ed5i v\u00e0 tr\u1ea1ng th\u00e1i) l\u00e0 kh\u00f4ng gi\u1ed1ng nhau v\u00e0 ph\u1ee5 thu\u1ed9c d\u1ecb ho\u00e1, ng\u01b0\u1ee3c l\u1ea1i \u1edf ng\u01b0\u1eddi gi\u00e0, qu\u00e1 tr\u00ecnh d\u1ecb ho\u00e1 l\u1ea1i nh\u1ecf h\u01a1n v\u00e0o l\u1ee9a tu\u1ed5i v\u00e0 tr\u1ea1ng th\u00e1i lao \u0111\u1ed9ng. \u0111\u1ed3ng ho\u00e1. C. T\u1ec9 l\u1ec7 \u0111\u1ed3ng h\u00f3a v\u00e0 d\u1ecb h\u00f3a \u1edf c\u01a1 th\u1ec3 kh\u00f4ng thay \u0111\u1ed5i. D. V\u00e0o th\u1eddi \u0111i\u1ec3m lao \u0111\u1ed9ng, d\u1ecb ho\u00e1 nh\u1ecf h\u01a1n \u0111\u1ed3ng ho\u00e1, ng\u01b0\u1ee3c l\u1ea1i l\u00fac nghi ng\u01a1i \u0111\u1ed5ng ho\u00e1 nh\u1ecf h\u01a1n d\u1ecb ho\u00e1. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: T\u1ec9 l\u1ec7 gi\u1eefa \u0111\u1ed3ng ho\u00e1 v\u00e0 d\u1ecb ho\u00e1 \u1edf c\u01a1 th\u1ec3 (kh\u00e1c nhau v\u1ec3 \u0111\u1ed9 tu\u1ed5i v\u00e0 tr\u1ea1ng th\u00e1i) l\u00e0 kh\u00f4ng gi\u1ed1ng nhau v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o: -L\u1ee9a tu\u1ed5i: \u1ede tr\u1ebb em, c\u01a1 th\u1ec3 \u0111ang l\u1edbn, qu\u00e1 tr\u00ecnh \u0111\u1ed3ng ho\u00e1 l\u1edbn h\u01a1n d\u1ecb ho\u00e1, ng\u01b0\u1ee3c l\u1ea1i \u1edf ng\u01b0\u1eddi gi\u00e0, qu\u00e1 tr\u00ecnh d\u1ecb ho\u00e1 l\u1ea1i l\u1edbn h\u01a1n \u0111\u1ed3ng ho\u00e1. - V\u00e0o th\u1eddi \u0111i\u1ec3m lao \u0111\u1ed9ng, d\u1ecb ho\u00e1 l\u1edbn h\u01a1n \u0111\u1ed3ng ho\u00e1, ng\u01b0\u1ee3c l\u1ea1i l\u00fac ngh\u1ec9 ng\u01a1i \u0111\u1ed3ng ho\u00e1 m\u1ea1nh h\u01a1n d\u1ecb ho\u00e1. 8. Trung khu \u0111i\u1ec1u ho\u00e0 s\u1ef1 t\u0103ng gi\u1ea3m c\u1ee7a nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3 n\u1eb1m \u1edf \u0111\u00e2u? A. H\u1ea1ch th\u1ea7n kinh. B. N\u00e3o b\u1ed9. C. Tu\u1ef7 s\u1ed1ng. D. D\u00e2y th\u1ea7n kinh. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trung khu \u0111i\u1ec1u ho\u00e0 s\u1ef1 t\u0103ng gi\u1ea3m c\u1ee7a nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3 n\u1eb1m \u1edf n\u00e3o b\u1ed9. \u0110i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 l\u00e0 c\u01a1 ch\u1ebf sinh h\u1ecdc ch\u1ecbu tr\u00e1ch nhi\u1ec7m duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 b\u00ean trong c\u01a1 th\u1ec3 \u1ed5n \u0111\u1ecbnh. H\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a nhi\u1ec7t bao g\u1ed3m v\u00f9ng d\u01b0\u1edbi \u0111\u1ed3i trong n\u00e3o, c\u0169ng nh\u01b0 c\u00e1c tuy\u1ebfn m\u1ed3 h\u00f4i, da v\u00e0 h\u1ec7 tu\u1ea7n ho\u00e0n. Trong \u0111\u00f3 n\u00e3o \u0111\u00f3ng vai tr\u00f2 l\u00e0 trung khu \u0111i\u1ec1u khi\u1ec3n ch\u00ednh c\u00e1c c\u01a1 ch\u1ebf t\u0103ng gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3. Trang 2\/4","C\u01a1 th\u1ec3 con ng\u01b0\u1eddi duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 98,6\u00b0 F (37\u00b0 C) b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p s\u1eed d\u1ee5ng c\u00e1c qu\u00e1 tr\u00ecnh v\u1eadt l\u00fd kh\u00e1c nhau. Ch\u00fang bao g\u1ed3m \u0111\u1ed5 m\u1ed3 h\u00f4i \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3, run r\u1ea9y \u0111\u1ec3 t\u0103ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 thu h\u1eb9p ho\u1eb7c gi\u00e3n c\u00e1c m\u1ea1ch m\u00e1u \u0111\u1ec3 thay \u0111\u1ed5i l\u01b0u l\u01b0\u1ee3ng m\u00e1u. 9. N\u0103ng l\u01b0\u1ee3ng gi\u1ea3i ph\u00f3ng trong qu\u00e1 tr\u00ecnh d\u1ecb ho\u00e1 kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec? A. Sinh c\u00f4ng. B. \u0110\u1ed1t ch\u00e1y t\u1ebf b\u00e0o. C. Sinh nhi\u1ec7t. D. T\u1ed5ng h\u1ee3p ch\u1ea5t m\u1edbi. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: N\u0103ng l\u01b0\u1ee3ng gi\u1ea3i ph\u00f3ng trong qu\u00e1 tr\u00ecnh d\u1ecb ho\u00e1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed5ng h\u1ee3p ch\u1ea5t m\u1edbi, sinh c\u00f4ng, sinh nhi\u1ec7t. 10. N\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng trong d\u1ecb ho\u00e1 cu\u1ed1i c\u00f9ng c\u0169ng \u0111\u1ec1u bi\u1ebfn th\u00e0nh A. quang n\u0103ng. B. ho\u00e1 n\u0103ng. C. c\u01a1 n\u0103ng. D. nhi\u1ec7t n\u0103ng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: D\u1ecb ho\u00e1 l\u00e0 qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 (glucose\u2026) th\u00e0nh nh\u1eefng ch\u1ea5t \u0111\u01a1n gi\u1ea3n, \u0111\u1ed3ng th\u1eddi gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 sinh nhi\u1ec7t. V\u00ed d\u1ee5: qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p. 11. T\u1ea1i sao b\u00e0 b\u1ea7u th\u01b0\u1eddng n\u00ean b\u1ed5 sung th\u00eam s\u1eaft? B. T\u0103ng ch\u1ea5t dinh d\u01b0\u1ee1ng cho c\u01a1 th\u1ec3. A. K\u00edch th\u01b0\u1edbc c\u01a1 th\u1ec3 t\u0103ng n\u00ean c\u1ea7n nhi\u1ec1u s\u1eaft \u0111\u1ec3 c\u01a1 th\u1ec3 h\u1ea5p th\u1ee5. D. C\u01a1 th\u1ec3 lu\u00f4n c\u1ea7n ch\u1ea5t s\u1eaft \u0111\u1ec3 t\u1ed5ng h\u1ee3p n\u00ean hemoglobin. M\u00e0 trong th\u1eddi k\u00ec mang thai c\u1ea7n nhi\u1ec1u h\u01a1n v\u00ec cung c\u1ea5p C. L\u01b0\u1ee3ng s\u1eaft b\u1ed5 sung n\u00e0y do em b\u00e9 trong b\u1ee5ng dung n\u1ea1p. m\u00e1u v\u00e0 oxi nu\u00f4i em b\u00e9. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Khi mang thai nhu c\u1ea7u v\u1ec1 s\u1eaft \u1edf ng\u01b0\u1eddi m\u1eb9 t\u0103ng cao h\u01a1n r\u1ea5t nhi\u1ec1u v\u00ec ph\u1ea3i cung c\u1ea5p cho thai nhi, t\u0103ng g\u1ea5p \u0111\u00f4i so v\u1edbi b\u00ecnh th\u01b0\u1eddng. V\u00ec v\u1eady, ph\u1ee5 n\u1eef khi mang thai r\u1ea5t d\u1ec5 b\u1ecb thi\u1ebfu m\u00e1u do thi\u1ebfu s\u1eaft. S\u1eaft l\u00e0 th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o n\u00ean hemoglobin, c\u00f3 vai tr\u00f2 ch\u00ednh trong vi\u1ec7c v\u1eadn chuy\u1ec3n oxy cho c\u01a1 th\u1ec3 m\u1eb9 v\u00e0 thai nhi. Trong th\u1eddi k\u1ef3 mang thai, th\u1ec3 t\u00edch m\u00e1u c\u1ee7a ng\u01b0\u1eddi m\u1eb9 t\u0103ng 50% so v\u1edbi b\u00ecnh th\u01b0\u1eddng, v\u00ec v\u1eady ph\u1ee5 n\u1eef mang thai c\u1ea7n nhi\u1ec1u ch\u1ea5t s\u1eaft. Trong nh\u1eefng th\u00e1ng \u0111\u1ea7u ti\u00ean c\u1ee7a thai k\u1ef3, n\u1ebfu thi\u1ebfu s\u1eaft d\u1ec5 g\u00e2y ra s\u1ea3y thai ho\u1eb7c thai b\u1ecb ch\u1ebft l\u01b0u. \u0110\u1ebfn nh\u1eefng giai \u0111o\u1ea1n sau, thi\u1ebfu s\u1eaft c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ebb non, suy dinh d\u01b0\u1ee1ng b\u00e0o thai. B\u00e0 m\u1eb9 thi\u1ebfu m\u00e1u do thi\u1ebfu s\u1eaft trong giai \u0111o\u1ea1n sinh n\u1edf c\u00f3 th\u1ec3 s\u1ebd b\u1ecb b\u0103ng huy\u1ebft sau khi sinh, g\u00e2y nguy hi\u1ec3m \u0111\u1ebfn t\u00ednh m\u1ea1ng. 12. Ch\u1ea5t n\u00e0o d\u01b0\u1edbi \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a qu\u00e1 tr\u00ecnh d\u1ecb ho\u00e1? A. Cellulose. B. N\u01b0\u1edbc. C. Tinh b\u1ed9t. D. Protein. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u00e1c h\u1ee3p ch\u1ea5t nh\u01b0: Protein, Cellulose, Tinh b\u1ed9t \u0111\u1ec1u l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t t\u1eeb nh\u1eefng ch\u1ea5t v\u00f4 c\u01a1 \u0111\u01a1n gi\u1ea3n. Ch\u1ec9 c\u00f3 n\u01b0\u1edbc l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a qu\u00e1 tr\u00ecnh ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t, nh\u01b0 qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p 13. Chuy\u1ec3n ho\u00e1 c\u01a1 b\u1ea3n l\u00e0 B. n\u0103ng l\u01b0\u1ee3ng ti\u00eau d\u00f9ng khi c\u01a1 th\u1ec3 \u1edf tr\u1ea1ng th\u00e1i ho\u00e0n to\u00e0n A. n\u0103ng l\u01b0\u1ee3ng t\u00edch lu\u1ef9 khi c\u01a1 th\u1ec3 \u1edf tr\u1ea1ng th\u00e1i lao \u0111\u1ed9ng c\u1eadt ngh\u1ec9 ng\u01a1i. l\u1ef1c. D. n\u0103ng l\u01b0\u1ee3ng t\u00edch lu\u1ef9 khi c\u01a1 th\u1ec3 \u1edf tr\u1ea1ng th\u00e1i ho\u00e0n to\u00e0n C. n\u0103ng l\u01b0\u1ee3ng ti\u00eau d\u00f9ng khi c\u01a1 th\u1ec3 \u1edf tr\u1ea1ng th\u00e1i lao \u0111\u1ed9ng ngh\u1ec9 ng\u01a1i. c\u1eadt l\u1ef1c. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Chuy\u1ec3n ho\u00e1 C\u01a1 b\u1ea3n l\u00e0 m\u1ee9c n\u0103ng l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u t\u1ea1o ra khi c\u01a1 th\u1ec3 \u1edf tr\u1ea1ng th\u00e1i ngh\u1ec9 ng\u01a1i ho\u00e0n to\u00e0n (l\u00fac n\u1eb1m ngh\u1ec9 v\u00e0 sau khi \u0103n t\u1ed1i thi\u1ec3u 12 gi\u1edd). \u0110\u00f3 l\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1ed1i thi\u1ec3u c\u1ee7a c\u00e1c c\u01a1 quan tu\u1ea7n ho\u00e0n, h\u00f4 h\u1ea5p v\u00e0 b\u00e0i ti\u1ebft. 14. \u0110\u1ed1i t\u01b0\u1ee3ng n\u00e0o d\u01b0\u1edbi \u0111\u00e2y c\u00f3 qu\u00e1 tr\u00ecnh d\u1ecb ho\u00e1 di\u1ec5n ra m\u1ea1nh m\u1ebd h\u01a1n qu\u00e1 tr\u00ecnh \u0111\u1ed3ng ho\u00e1? Trang 3\/4","A. Thi\u1ebfu ni\u00ean. B. Ng\u01b0\u1eddi cao tu\u1ed5i. C. Thanh ni\u00ean. D. Tr\u1ebb s\u01a1 sinh. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Ng\u01b0\u1eddi cao tu\u1ed5i di\u1ec5n ra qu\u00e1 tr\u00ecnh d\u1ecb ho\u00e1 m\u1ea1nhmex h\u01a1n \u0111\u1ed3ng ho\u00e1 l\u00e0 do c\u01a1 th\u1ec3 d\u1ea7n b\u1ecb l\u00e3o ho\u00e1, c\u00e1c t\u1ebf b\u00e0o b\u1ecb t\u1ed5n th\u01b0\u01a1ng. C\u00e1c h\u1ec7 c\u01a1 quan kh\u00f4ng \u0111\u00e1p \u1ee9ng s\u1ef1 t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t m\u1ed9t c\u00e1ch nhanh ch\u00f3ng n\u00ean qu\u00e1 tr\u00ecnh d\u1ecb ho\u00e1 \u0111\u1ea9y m\u1ea1nh \u0111\u1ec3 c\u00f3 th\u1ec3 k\u1ecbp th\u1eddi cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a c\u01a1 th\u1ec3. 15. \u0110\u1ed3ng ho\u00e1 x\u1ea3y ra qu\u00e1 tr\u00ecnh n\u00e0o d\u01b0\u1edbi \u0111\u00e2y? B. T\u00edch lu\u1ef9 n\u0103ng l\u01b0\u1ee3ng. A. Ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 th\u00e0nh c\u00e1c ch\u1ea5t v\u00f4 c\u01a1 \u0111\u01a1n D. Gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng. gi\u1ea3n. C. T\u1ed5ng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 \u0111\u01a1n gi\u1ea3n t\u1eeb nh\u1eefng ch\u1ea5t h\u1eefu c\u01a1 ph\u1ee9c t\u1ea1p. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: \u0110\u1ed3ng ho\u00e1 l\u00e0 qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 ph\u1ee9c t\u1ea1p (carbohydrate, protein, lipid\u2026 t\u1eeb c\u00e1c ch\u1ea5t \u0111\u01a1n gi\u1ea3n, \u0111\u1ed3ng th\u1eddi t\u00edch l\u0169y n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc. Trang 4\/4","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP B\u00c0I 8: C\u00c1C Y\u1ebeU T\u1ed0 \u1ea2NH H\u01af\u1edeNG \u0110\u1ebeN H\u00d4 H\u1ea4PT\u1ebe B\u00c0O Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. \u0110\u1ec3 b\u1ea3o qu\u1ea3n h\u1ea1t gi\u1ed1ng ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng bi\u1ec7n ph\u00e1p n\u00e0o? B. Ph\u01a1i kh\u00f4, l\u00e0m cho \u0111\u1ed9 \u1ea9m trong h\u1ea1t th\u1ea5p, c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 A. B\u1ea3o qu\u1ea3n trong t\u1ee7 l\u1ea1nh, nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p h\u1ea5p th\u1ea5p. th\u1ea5p. D. S\u1ea5y kh\u00f4, l\u00e0m cho \u0111\u1ed9 \u1ea9m trong h\u1ea1t th\u1ea5p, c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 C. B\u1ea3o qu\u1ea3n \u1edf kho c\u00f3 n\u1ed3ng \u0111\u1ed9 oxygen cao, c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p th\u1ea5p. h\u1ea5p th\u1ea5p. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: \u0110\u1ec3 b\u1ea3o qu\u1ea3n h\u1ea1t gi\u1ed1ng ng\u01b0\u1eddi ta th\u01b0\u1eddng ph\u01a1i kh\u00f4, l\u00e0m cho \u0111\u1ed9 \u1ea9m trong h\u1ea1t th\u1ea5p, c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p th\u1ea5p. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: B. 2. Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a c\u00e2y c\u00f2n h\u00f4 h\u1ea5p \u0111\u01b0\u1ee3c bi\u1ebfn thi\u00ean trong kho\u1ea3ng A. 3 5 \u2218 C \u2212 4 0 \u2218 C . B. 4 0 \u2218 C \u2212 4 5 \u2218 C . C. 4 5 \u2218 C \u2212 5 5 \u2218 C . D. 5 5 \u2218 C \u2212 6 5 \u2218 C . H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a ( 4 0 \u2218 \u2192 \u2218 C 45 C ), \u1edf nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao th\u00ec protein b\u1ecb bi\u1ebfn t\u00ednh, c\u1ea5u tr\u00fac c\u1ee7a nguy\u00ean sinh ch\u1ea5t b\u1ecb ph\u00e1 h\u1ee7y, c\u00e2y ch\u1ebft. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. 3. Hi\u1ec7n nay ng\u01b0\u1eddi ta th\u01b0\u1eddng s\u1eed d\u1ee5ng bi\u1ec7n ph\u00e1p n\u00e0o \u0111\u1ec3 b\u1ea3o qu\u1ea3n n\u00f4ng s\u1ea3n, th\u1ef1c ph\u1ea9m? (1) B\u1ea3o qu\u1ea3n trong \u0111i\u1ec1u ki\u1ec7n n\u1ed3ng \u0111\u1ed9 CO2 cao, g\u00e2y \u1ee9c ch\u1ebf h\u00f4 h\u1ea5p. (2) B\u1ea3o qu\u1ea3n b\u1eb1ng c\u00e1ch ng\u00e2m \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0o dung d\u1ecbch h\u00f3a ch\u1ea5t th\u00edch h\u1ee3p. (3) B\u1ea3o qu\u1ea3n kh\u00f4. (4) B\u1ea3o qu\u1ea3n l\u1ea1nh.","(5) B\u1ea3o qu\u1ea3n trong \u0111i\u1ec1u ki\u1ec7n n\u1ed3ng \u0111\u1ed9 O2 cao. S\u1ed1 bi\u1ec7n ph\u00e1p b\u1ea3o qu\u1ea3n \u0111\u00fang l\u00e0 B. 3. C. 4. D. 1. A. 2. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Nguy\u00ean t\u1eafc b\u1ea3o qu\u1ea3n n\u00f4ng s\u1ea3n: \u1ee9c ch\u1ebf h\u00f4 h\u1ea5p c\u1ee7a n\u00f4ng s\u1ea3n t\u1ed1i \u0111a m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng, s\u1ed1 l\u01b0\u1ee3ng n\u00f4ng s\u1ea3n. Hi\u1ec7n nay ng\u01b0\u1eddi ta th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 b\u1ea3o qu\u1ea3n n\u00f4ng s\u1ea3n, th\u1ef1c ph\u1ea9m l\u00e0: (1), (3), (4). (2) sai, kh\u00f4ng \u0111\u01b0\u1ee3c ng\u00e2m trong ho\u00e1 ch\u1ea5t. (5) sai, n\u1ed3ng \u0111\u1ed9 oxygen cao l\u00e0m n\u00f4ng s\u1ea3n h\u00f4 h\u1ea5p m\u1ea1nh \u2192 gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng, s\u1ed1 l\u01b0\u1ee3ng n\u00f4ng s\u1ea3n. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. B. B\u1ea3o qu\u1ea3n kh\u00f4. 4. Bi\u1ec7n ph\u00e1p b\u1ea3o qu\u1ea3n n\u00f4ng ph\u1ea9m n\u00e0o sau \u0111\u00e2y l\u00e0 kh\u00f4ng ph\u00f9 h\u1ee3p? D. B\u1ea3o qu\u1ea3n l\u1ea1nh A. B\u1ea3o qu\u1ea3n trong m\u00f4i tr\u01b0\u1eddng kh\u00ed bi\u1ebfn \u0111\u1ed5i. C. \u1ee8c ch\u1ebf h\u00f4 h\u1ea5p c\u1ee7a n\u00f4ng ph\u1ea9m v\u1ec1 kh\u00f4ng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Bi\u1ec7n ph\u00e1p kh\u00f4ng ph\u00f9 h\u1ee3p l\u00e0 A, kh\u00f4ng th\u1ec3 \u1ee9c ch\u1ebf h\u00f4 h\u1ea5p v\u1ec1 kh\u00f4ng m\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf \u0111\u1ebfn m\u1ee9c t\u1ed1i \u0111a. B\u1ea3o qu\u1ea3n l\u01b0\u01a1ng th\u1ef1c: b\u1ea3o qu\u1ea3n l\u1ea1nh, b\u1ea3o qu\u1ea3n kh\u00f4, b\u1ea3o qu\u1ea3n trong \u0111i\u1ec1u ki\u1ec7n n\u1ed3ng \u0111\u1ed9 carbon dioxide cao v\u00e0 n\u1ed3ng \u0111\u1ed9 oxygen th\u1ea5p. C\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A 5. Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u cho h\u00f4 h\u1ea5p trong kho\u1ea3ng A. 2 5 \u2218 C \u2212 3 0 \u2218 C . B. 3 5 \u2218 C \u2212 4 0 \u2218 C . C. 2 0 \u2218 C \u2212 2 5 \u2218 C . D. 3 0 \u2218 C \u2212 3 5 \u2218 C . H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u ( 3 0 \u2218 C \u2192 3 5 \u2218 L\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00e0 c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p \u0111\u1ea1t gi\u00e1 tr\u1ecb cao nh\u1ea5t C): \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: B. 6. C\u00e1c lo\u1ea1i qu\u1ea3: cam, xo\u00e0i, nho, l\u00ea... b\u1ea3o qu\u1ea3n b\u1eb1ng bi\u1ec7n ph\u00e1p n\u00e0o hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao? A. Bi\u1ec7n ph\u00e1p b\u1ea3o qu\u1ea3n kh\u00f4, \u0111i\u1ec1u ki\u1ec7n n\u1ed3ng \u0111\u1ed9 CO2 cao. B. Bi\u1ec7n ph\u00e1p b\u1ea3o qu\u1ea3n kh\u00f4 v\u00e0 b\u1ea3o qu\u1ea3n l\u1ea1nh. C. C\u1ea3 ba bi\u1ec7n ph\u00e1p: kh\u00f4, l\u1ea1nh, n\u1ed3ng \u0111\u1ed9 CO2 cao. D. Bi\u1ec7n ph\u00e1p b\u1ea3o qu\u1ea3n l\u1ea1nh v\u00e0 \u0111i\u1ec1u ki\u1ec7n n\u1ed3ng \u0111\u1ed9 CO2 cao. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u00e1c lo\u1ea1i qu\u1ea3: cam, xo\u00e0i, nho, l\u00ea... b\u1ea3o qu\u1ea3n b\u1eb1ng bi\u1ec7n ph\u00e1p b\u1ea3o qu\u1ea3n l\u1ea1nh v\u00e0 \u0111i\u1ec1u ki\u1ec7n n\u1ed3ng \u0111\u1ed9 CO2 cao. V\u00ec \u0111\u00e2y l\u00e0 nh\u1eefng lo\u1ea1i qu\u1ea3 t\u01b0\u01a1i, h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc cao n\u00ean c\u1ea7n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 t\u01b0\u01a1i ngon nh\u1ea5t. 7. T\u00f9y lo\u00e0i c\u00e2y v\u00e0 v\u00f9ng sinh th\u00e1i, nhi\u1ec7t \u0111\u1ed9 th\u1ea5p nh\u1ea5t \u0111\u1ec3 c\u00e2y b\u1eaft \u0111\u1ea7u h\u00f4 h\u1ea5p trong kho\u1ea3ng A. 1 0 \u2218 C \u2212 2 0 \u2218 C . B. 0 \u2218 C \u2212 1 0 \u2218 C . C. 3 5 \u2218 C \u2212 4 0 \u2218 C . D. 1 5 \u2218 C \u2212 2 5 \u2218 C . Trang 2\/5 H\u01b0\u1edbng d\u1eabn gi\u1ea3i:","Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i thi\u1ec3u c\u00e2y b\u1eaft \u0111\u1ea7u h\u00f4 h\u1ea5p l\u00e0 0 \u2218 C \u2212 1 0 \u2218 C . Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i th\u1ea5p c\u00f2n t\u00f9y thu\u1ed9c v\u00e0o lo\u00e0i c\u00e2y \u1edf c\u00e1c v\u1ee5ng sinh th\u00e1i kh\u00e1c nhau. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. 8. M\u1ed1i quan h\u1ec7 gi\u1eefa c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p v\u1edbi h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ee7a c\u01a1 th\u1ec3 l\u00e0 g\u00ec? A. T\u1ec9 l\u1ec7 thu\u1eadn. B. T\u1ec9 l\u1ec7 thu\u1eadn v\u00e0 t\u1ec9 l\u1ec7 ngh\u1ecbch t\u00f9y giai \u0111o\u1ea1n. C. L\u00fac \u0111\u1ea7u t\u1ec9 l\u1ec7 thu\u1eadn, sau t\u1ec9 l\u1ec7 ngh\u1ecbch. D. T\u1ec9 l\u1ec7 ngh\u1ecbch. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ee7a c\u01a1 th\u1ec3. H\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc trong c\u01a1 quan h\u00f4 h\u1ea5p c\u00e0ng cao th\u00ec c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p c\u00e0ng cao v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. B. nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng n\u01b0\u1edbc m\u00e0 n\u01b0\u1edbc l\u00e0 nguy\u00ean li\u1ec7u c\u1ee7a qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p. 9. Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd v\u1edbi nh\u00e2n t\u1ed1 nhi\u1ec7t \u0111\u1ed9 v\u00ec A. nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u01a1 ch\u1ebf \u0111\u00f3ng m\u1edf kh\u00ed kh\u1ed5ng, D. m\u1ed7i lo\u00e0i ch\u1ec9 h\u00f4 h\u1ea5p trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. n\u00ean \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 oxygen. C. h\u00f4 h\u1ea5p bao g\u1ed3m c\u00e1c ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc c\u1ea7n s\u1ef1 x\u00fac t\u00e1c c\u1ee7a c\u00e1c enzyme do v\u1eady ph\u1ea3i ph\u1ee5 thu\u1ed9c ch\u1eb7t ch\u1ebd v\u1edbi nhi\u1ec7t \u0111\u1ed9. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p c\u1ea7n s\u1ef1 x\u00fac t\u00e1c c\u1ee7a c\u00e1c enzyme do v\u1eady h\u00f4 h\u1ea5p ph\u1ee5 thu\u1ed9c ch\u1eb7t ch\u1ebd v\u00e0o nhi\u1ec7t \u0111\u1ed9. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. 10. H\u00f4 h\u1ea5p c\u1ee7a c\u00e2y b\u1ecb \u1ee9c ch\u1ebf khi n\u1ed3ng \u0111\u1ed9 CO2 cao h\u01a1n A. 40%. B. 0,5%. C. 1%. D. 10%. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trong m\u00f4i tr\u01b0\u1eddng, n\u1ed3ng \u0111\u1ed9 CO2 cao h\u01a1n 40% l\u00e0m h\u00f4 h\u1ea5p b\u1ecb \u1ee9c ch\u1ebf. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. 11. Trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n n\u00f4ng s\u1ea3n, ho\u1ea1t \u0111\u1ed9ng h\u00f4 h\u1ea5p c\u1ee7a n\u00f4ng s\u1ea3n g\u00e2y ra t\u00e1c h\u1ea1i n\u00e0o sau \u0111\u00e2y? A. L\u00e0m t\u0103ng kh\u00ed O2; gi\u1ea3m CO2. B. L\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9. C. L\u00e0m gi\u1ea3m \u0111\u1ed9 \u1ea9m. D. Ti\u00eau hao ch\u1ea5t h\u1eefu c\u01a1. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: H\u00f4 h\u1ea5p c\u1ee7a n\u00f4ng s\u1ea3n l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m, ti\u00eau hao ch\u1ea5t h\u1eefu c\u01a1. Ph\u01b0\u01a1ng tr\u00ecnh t\u1ed5ng qu\u00e1t c\u1ee7a qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p: C6H12O6 + 6O2 => 6CO2 + 6H2O \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. 12. Trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n n\u00f4ng s\u1ea3n, th\u1ef1c ph\u1ea9m, rau qu\u1ea3 c\u1ea7n ph\u1ea3i l\u00e0m cho h\u00f4 h\u1ea5p A. gi\u1ea3m \u0111\u1ebfn m\u1ee9c t\u1ed1i thi\u1ec3u. B. t\u0103ng \u0111\u1ebfn m\u1ee9c t\u1ed1i \u0111a. C. v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. D. kh\u00f4ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trang 3\/5","Trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n n\u00f4ng s\u1ea3n, th\u1ef1c ph\u1ea9m, rau qu\u1ea3 c\u1ea7n ph\u1ea3i l\u00e0m cho h\u00f4 h\u1ea5p gi\u1ea3m \u0111\u1ebfn m\u1ee9c t\u1ed1i thi\u1ec3u \u2192 gi\u1ea3m hao h\u1ee5t ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: B. B. Quy\u1ebft \u0111\u1ecbnh c\u00e1c bi\u1ec7n ph\u00e1p ch\u0103m s\u00f3c c\u00e2y tr\u1ed3ng tr\u00ean c\u01a1 s\u1edf h\u1ec7 s\u1ed1 h\u00f4 h\u1ea5p. 13. \u00dd ngh\u0129a n\u00e0o d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a h\u1ec7 s\u1ed1 h\u00f4 h\u1ea5p l\u00e0 kh\u00f4ng \u0111\u00fang? D. \u0110i\u1ec1u ch\u1ec9nh c\u00e1c lo\u1ea1i ch\u1ea5t kho\u00e1ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 A. Quy\u1ebft \u0111\u1ecbnh c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 n\u00f4ng s\u1ea3n tr\u00ean c\u01a1 s\u1edf n\u0103ng sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y tr\u00ean c\u01a1 s\u1edf h\u1ec7 s\u1ed1 h\u00f4 h\u1ea5p. h\u1ec7 s\u1ed1 h\u00f4 h\u1ea5p. C. Cho bi\u1ebft nh\u00f3m ch\u1ea5t c\u1ee7a nguy\u00ean li\u1ec7u \u0111ang h\u00f4 h\u1ea5p \u0111\u1ec3 qua \u0111\u00f3 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng h\u00f4 h\u1ea5p \u1edf c\u00e2y. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Ph\u00e1t bi\u1ec3u sai l\u00e0: A. H\u1ec7 s\u1ed1 h\u00f4 h\u1ea5p c\u00f3 \u00fd ngh\u0129a: Cho bi\u1ebft nguy\u00ean li\u1ec7u h\u00f4 h\u1ea5p, cho bi\u1ebft t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e2y, tr\u00ean c\u01a1 s\u1edf \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u0103m s\u00f3c, b\u1ea3o qu\u1ea3n n\u00f4ng s\u1ea3n h\u1ee3p l\u00fd. C\u00f3 th\u1ec3 em ch\u01b0a bi\u1ebft: H\u1ec7 s\u1ed1 h\u00f4 h\u1ea5p (RQ): l\u00e0 t\u1ec9 s\u1ed1 gi\u1eefa s\u1ed1 ph\u00e2n t\u1eed CO2 th\u1ea3i ra v\u00e0 s\u1ed1 ph\u00e2n t\u1eed O2 l\u1ea5y v\u00e0o khi h\u00f4 h\u1ea5p. RQ c\u1ee7a nh\u00f3m carbohydrate b\u1eb1ng 1. V\u00ed d\u1ee5: C6H12O6 + 6O2 => 6CO2 + 6H2O RQ = 6\/6 = 1. RQ c\u1ee7a nh\u00f3m lipid, protein < 1. RQ c\u1ee7a nhi\u1ec1u acid h\u1eefu c\u01a1 > 1. 14. C\u00e2y chuy\u1ec3n sang ph\u00e2n gi\u1ea3i k\u1ecb kh\u00ed khi n\u1ed3ng \u0111\u1ed9 oxygen trong kh\u00f4ng kh\u00ed gi\u1ea3m xu\u1ed1ng A. 5%. B. 20%. C. 1%. D. 15%. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Khi n\u1ed3ng \u0111\u1ed9 O2 trong kh\u00f4ng kh\u00ed gi\u1ea3m xu\u1ed1ng 5% th\u00ec c\u00e2y chuy\u1ec3n sang ph\u00e2n gi\u1ea3i k\u1ecb kh\u00ed (\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng thi\u1ebfu ho\u1eb7c kh\u00f4ng c\u1ea7n oxygen) \u2192 b\u1ea5t l\u1ee3i cho c\u00e2y tr\u1ed3ng. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: B. 15. Nh\u1eadn \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y v\u1ec1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a n\u01b0\u1edbc \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p l\u00e0 kh\u00f4ng \u0111\u00fang? Trang 4\/5","A. C\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc trong B. H\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc trong c\u01a1 th\u1ec3 li\u00ean quan tr\u1ef1c ti\u1ebfp t\u1edbi c\u01a1 th\u1ec3. c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p. C. N\u01b0\u1edbc tham gia tr\u1ef1c ti\u1ebfp v\u00e0o qu\u00e1 tr\u00ecnh oxy h\u00f3a nguy\u00ean D. Cung c\u1ea5p proton H+ v\u00e0 n\u0103ng l\u01b0\u1ee3ng cho qu\u00e1 tr\u00ecnh h\u00f4 li\u1ec7u h\u00f4 h\u1ea5p. h\u1ea5p. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Nh\u1eadn \u0111\u1ecbnh sai l\u00e0 D. N\u01b0\u1edbc kh\u00f4ng cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p. Trang 5\/5","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP B\u00c0I 10: TRAO \u0110\u1ed4I KH\u00cd \u1ede SINH V\u1eacT (PH\u1ea6N 1) Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. \u0110\u1ed9ng v\u1eadt b\u1eadc cao trao \u0111\u1ed5i kh\u00ed ch\u1ee7 y\u1ebfu qua qu\u00e1 tr\u00ecnh A. ti\u00eau ho\u00e1. B. quang h\u1ee3p. C. b\u00e0i ti\u1ebft. D. h\u00f4 h\u1ea5p. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trao \u0111\u1ed5i kh\u00ed \u1edf c\u01a1 th\u1ec3 \u0111\u1ed9ng v\u1eadt \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. \u1ea2nh c\u00e2u 2 2. Kh\u00ed kh\u1ed5ng c\u00f2n th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh n\u00e0o cho c\u00e2y? A. Tho\u00e1t h\u01a1i n\u01b0\u1edbc. B. T\u1ef1 v\u1ec7 cho c\u00e2y. C. L\u1ea5y th\u1ee9c \u0103n. D. V\u1ec7 sinh l\u00e1 c\u00e2y. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Kh\u00ed kh\u1ed5ng c\u00f2n th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh tho\u00e1t h\u01a1i n\u01b0\u1edbc cho c\u00e2y th\u00f4ng qua ho\u1ea1t \u0111\u1ed9ng \u0111\u00f3ng - m\u1edf kh\u00ed kh\u1ed5ng. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: B. \u1ea2nh c\u00e2u 7 3. \u1ede c\u01a1 th\u1ec3 th\u1ef1c v\u1eadt, lo\u1ea1i t\u1ebf b\u00e0o n\u00e0o sau \u0111\u00e2y c\u00f3 ch\u1ee9a ti th\u1ec3 v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn? A. T\u1ebf b\u00e0o \u0111\u1ec9nh sinh tr\u01b0\u1edfng, t\u1ebf b\u00e0o tr\u01b0\u1edfng th\u00e0nh, t\u1ebf b\u00e0o B. T\u1ebf b\u00e0o \u0111\u1ec9nh sinh tr\u01b0\u1edfng, t\u1ebf b\u00e0o ch\u00f3p r\u1ec5, t\u1ebf b\u00e0o ti\u1ebft. ti\u1ebft. C. T\u1ebf b\u00e0o ch\u00f3p r\u1ec5, t\u1ebf b\u00e0o tr\u01b0\u1edfng th\u00e0nh, t\u1ebf b\u00e0o ti\u1ebft. D. T\u1ebf b\u00e0o gi\u00e0, t\u1ebf b\u00e0o tr\u01b0\u1edfng th\u00e0nh. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: T\u1ebf b\u00e0o \u0111\u1ec9nh sinh tr\u01b0\u1edfng, t\u1ebf b\u00e0o ch\u00f3p r\u1ec5, t\u1ebf b\u00e0o ti\u1ebft c\u00f3 ch\u1ee9a ti th\u1ec3 v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn. \u1ede t\u1ebf b\u00e0o c\u00f2n non n\u00e0y, c\u1ea7n \u0111\u01b0\u1ee3c cung c\u1ea5p nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng n\u00ean s\u1ed1 l\u01b0\u1ee3ng ti th\u1ec3 trong t\u1ebf b\u00e0o nhi\u1ec1u h\u01a1n so v\u1edbi t\u1ebf b\u00e0o kh\u00e1c. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. Trang 1\/5","4. Trao \u0111\u1ed5i kh\u00ed \u1edf sinh v\u1eadt th\u00f4ng qua c\u01a1 ch\u1ebf A. th\u1ea9m th\u1ea5u. B. v\u1eadn chuy\u1ec3n ch\u1ee7 \u0111\u1ed9ng. C. t\u0103ng \u00e1p l\u1ef1c. D. khu\u1ebfch t\u00e1n. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trao \u0111\u1ed5i kh\u00ed \u1edf sinh v\u1eadt th\u00f4ng qua c\u01a1 ch\u1ebf khu\u1ebfch t\u00e1n. B. T\u00edch l\u0169y n\u0103ng l\u01b0\u1ee3ng. D. T\u1ea1o ch\u1ea5t h\u1eefu c\u01a1. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 5. Vai tr\u00f2 n\u00e0o d\u01b0\u1edbi \u0111\u00e2y kh\u00f4ng ph\u1ea3i c\u1ee7a quang h\u1ee3p ? A. \u0110i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed. C. C\u00e2n b\u1eb1ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u00f4i tr\u01b0\u1eddng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Qu\u00e1 tr\u00ecnh quang h\u1ee3p \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 s\u1ed1ng c\u1ee7a c\u00e1c sinh v\u1eadt tr\u00ean Tr\u00e1i \u0110\u1ea5t. To\u00e0n b\u1ed9 s\u1ef1 s\u1ed1ng tr\u00ean h\u00e0nh t\u00ecnh ch\u00fang ta \u0111\u1ec1u ph\u1ee5 thu\u1ed9c v\u00e0o qu\u00e1 tr\u00ecnh quang h\u1ee3p. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 3 vai tr\u00f2 quan tr\u1ecdng nh\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh quang h\u1ee3p \u1edf c\u00e1c nh\u00f3m th\u1ef1c v\u1eadt. + T\u1ed5ng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1: S\u1ea3n ph\u1ea9m c\u1ee7a quang h\u1ee3p t\u1ea1o ra ngu\u1ed3n ch\u1ea5t h\u1eefu c\u01a1 l\u00e0m th\u1ee9c \u0103n cho m\u1ecdi sinh v\u1eadt, l\u00e0 nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p v\u00e0 l\u00e0m ra thu\u1ed1c ch\u1eefa b\u1ec7nh cho con ng\u01b0\u1eddi. + Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng: N\u0103ng l\u01b0\u1ee3ng trong \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 v\u00e0 chuy\u1ec3n th\u00e0nh h\u00f3a n\u0103ng trong c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc. \u0110\u00e2y l\u00e0 ngu\u1ed3n cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ecdi ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a c\u00e1c sinh v\u1eadt. + \u0110i\u1ec1u ho\u00e0 kh\u00f4ng kh\u00ed: Qu\u00e1 tr\u00ecnh quang h\u1ee3p \u1edf c\u00e2y xanh h\u1ea5p th\u1ee5 kh\u00ed CO2 v\u00e0 gi\u1ea3i ph\u00f3ng kh\u00ed O2 gi\u00fap \u0111i\u1ec1u kh\u00f4ng kh\u00ed, gi\u1ea3m hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh \u0111em l\u1ea1i kh\u00f4ng kh\u00ed trong l\u00e0nh cho Tr\u00e1i \u0110\u1ea5t v\u00e0 cung c\u1ea5p d\u01b0\u1ee1ng kh\u00ed cho c\u00e1c sinh v\u1eadt kh\u00e1c. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. 6. C\u00e2y s\u1ed1ng \u1edf v\u00f9ng kh\u00f4 h\u1ea1n, m\u1eb7t tr\u00ean c\u1ee7a l\u00e1 th\u01b0\u1eddng kh\u00f4ng c\u00f3 kh\u00ed kh\u1ed5ng. Hi\u1ec7n t\u01b0\u1ee3ng kh\u00f4ng c\u00f3 kh\u00ed kh\u1ed5ng tr\u00ean m\u1eb7t l\u00e1 c\u1ee7a c\u00e2y c\u00f3 t\u00e1c d\u1ee5ng n\u00e0o sau \u0111\u00e2y? A. Tr\u00e1nh nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m h\u01b0 h\u1ea1i c\u00e1c t\u1ebf b\u00e0o b\u00ean trong l\u00e1. B. Gi\u1ea3m \u00e1nh n\u1eafng gay g\u1eaft c\u1ee7a m\u1eb7t tr\u1eddi. C. T\u0103ng s\u1ed1 l\u01b0\u1ee3ng kh\u00ed kh\u1ed5ng \u1edf m\u1eb7t d\u01b0\u1edbi c\u1ee7a l\u00e1. D. Gi\u1ea3m s\u1ef1 tho\u00e1t h\u01a1i n\u01b0\u1edbc c\u1ee7a c\u00e2y. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Kh\u00ed kh\u1ed5ng l\u00e0 c\u01a1 quan tho\u00e1t h\u01a1i n\u01b0\u1edbc c\u00faa l\u00e1. Nh\u1eefng c\u00e2y s\u1ed1ng \u1edf v\u00f9ng kh\u00f4 h\u1ea1n th\u01b0\u1eddng b\u1ecb thi\u00eau n\u01b0\u1edbc n\u00ean c\u00f3 c\u01a1 ch\u1ebf th\u00edch nghi b\u1eb1ng c\u00e1ch gi\u1ea3m s\u1ef1 tho\u00e1t h\u01a1i n\u01b0\u1edbc n\u00ean m\u1eb7t tr\u00ean (l\u00e0 n\u01a1i ti\u1ebfp x\u00fac v\u1edbi \u00e1nh s\u00e1ng m\u1ea1nh v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao) c\u1ee7a l\u00e1 th\u01b0\u1eddng kh\u00f4ng c\u00f3 kh\u00ed kh\u1ed5ng. Tuy nhi\u00ean, n\u1ebfu kh\u00f4ng c\u00f3 kh\u00ed kh\u1ed5ng th\u00ec l\u00e1 c\u00e2y kh\u00f4ng thu nh\u1eadn \u0111\u01b0\u1ee3c CO2 \u0111\u1ec3 quang h\u1ee3p. V\u00ec v\u1eady, m\u1eb7t d\u01b0\u1edbi c\u1ee7a l\u00e1 v\u1eabn ph\u1ea3i c\u00f3 kh\u00ed kh\u00f4ng \u0111\u1ec3 thu nh\u1eadn CO2 t\u1eeb m\u00f4i tr\u01b0\u1eddng. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: B. Trang 2\/5","7. N\u01a1i di\u1ec5n ra s\u1ef1 h\u00f4 h\u1ea5p m\u1ea1nh nh\u1ea5t \u1edf th\u1ef1c v\u1eadt l\u00e0 A. l\u00e1. B. r\u1ec5. C. qu\u1ea3. D. th\u00e2n. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trong 4 b\u1ed9 ph\u1eadn tr\u00ean, r\u1ec5 l\u00e0 c\u01a1 quan c\u00f3 ho\u1ea1t \u0111\u1ed9ng h\u00f4 h\u1ea5p m\u1ea1nh nh\u1ea5t. R\u1ec5 c\u00f3 qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p m\u1ea1nh \u0111\u1ec3 t\u1ea1o ra n\u1ed3ng \u0111\u1ed9 tan cao gi\u00fap c\u00e2y c\u00f3 th\u1ec3 h\u1ea5p thu \u0111\u01b0\u1ee3c n\u01b0\u1edbc \u0111\u1ed3ng th\u1eddi c\u00f3 \u0111\u01b0\u1ee3c n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n h\u1ea5p thu ch\u1ee7 \u0111\u1ed9ng c\u00e1c ch\u1ea5t kho\u00e1ng c\u1ea7n thi\u1ebft. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 8. \u1ede th\u1ef1c v\u1eadt, qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i kh\u00ed di\u1ec5n ra qua t\u1ebf b\u00e0o A. m\u1ea1ch r\u00e2y. B. m\u00f4 gi\u1eadu. C. m\u1ea1ch g\u1ed7. D. kh\u00ed kh\u1ed5ng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Th\u1ef1c v\u1eadt trao \u0111\u1ed5i kh\u00ed v\u1edbi m\u00f4i tr\u01b0\u1eddng ch\u1ee7 y\u1ebfu qua kh\u00ed kh\u1ed5ng \u1edf l\u00e1 c\u00e2y trong qu\u00e1 tr\u00ecnh quang h\u1ee3p v\u00e0 h\u00f4 h\u1ea5p. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. B. Tr\u1eddi m\u01b0a nhi\u1ec1u. C. Ch\u1ee9a nhi\u1ec1u n\u01b0\u1edbc. D. Thi\u1ebfu n\u01b0\u1edbc. 9. Kh\u00ed kh\u1ed5ng \u0111\u00f3ng l\u1ea1i khi n\u00e0o? A. S\u00e2u b\u1ecd t\u1ea5n c\u00f4ng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Khi t\u1ebf b\u00e0o h\u00ecnh h\u1ea1t \u0111\u1eadu m\u1ea5t n\u01b0\u1edbc th\u00ec m\u00e0ng m\u1ecfng h\u1ebft cong, m\u00e0ng d\u00e0y du\u1ed7i ra, kh\u00ed kh\u1ed5ng \u0111\u00f3ng. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: B. 10. Trong \u0111i\u1ec1u ki\u1ec7n n\u00e0o sau \u0111\u00e2y, qu\u00e1 tr\u00ecnh tho\u00e1t h\u01a1i n\u01b0\u1edbc c\u1ee7a c\u00e2y s\u1ebd ng\u1eebng? A. T\u01b0\u1edbi n\u01b0\u1edbc cho c\u00e2y. B. B\u00f3n ph\u00e2m \u0111\u1ea1m v\u1edbi n\u1ed3ng \u0111\u1ed9 th\u00edch h\u1ee3p cho c\u00e2y. C. \u0110\u01b0a c\u00e2y t\u1eeb trong t\u1ed1i ra ngo\u00e0i \u00e1nh s\u00e1ng. D. \u0110\u01b0a c\u00e2y t\u1eeb ngo\u00e0i s\u00e1ng v\u00e0o t\u1ed1i. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: \u0110\u01b0a c\u00e2y v\u00e0o trong t\u1ed1i th\u00ec qu\u00e1 tr\u00ecnh quang h\u1ee3p ng\u1eebng \u2192 h\u00e0m l\u01b0\u1ee3ng \u0111\u01b0\u1eddng gi\u1ea3m \u2192 gi\u1ea3m \u00e1p su\u1ea5t th\u1ea9m th\u1ea5u \u1edf t\u1ebf b\u00e0o b\u1ea3o v\u1ec7 \u2192 gi\u1ea3m s\u1ee9c tr\u01b0\u01a1ng n\u01b0\u1edbc \u2192 kh\u00ed kh\u1ed5ng \u0111\u00f3ng \u2192 qu\u00e1 tr\u00ecnh tho\u00e1t h\u01a1i n\u01b0\u1edbc b\u1ecb ng\u1eebng l\u1ea1i. Trang 3\/5","\u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. 11. Ph\u00e1t bi\u1ec3u n\u00e0o d\u01b0\u1edbi \u0111\u00e2y kh\u00f4ng \u0111\u00fang v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng \u1ee9 gi\u1ecdt \u1edf th\u1ef1c v\u1eadt? A. \u1ee8 gi\u1ecdt ch\u1ec9 xu\u1ea5t hi\u1ec7n \u1edf c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt nh\u1ecf. B. R\u1ec5 h\u1ea5p th\u1ee5 nhi\u1ec1u n\u01b0\u1edbc v\u00e0 tho\u00e1t h\u01a1i n\u01b0\u1edbc k\u00e9m g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u1ee9 gi\u1ecdt. C. \u1ee8 gi\u1ecdt x\u1ea3y ra khi \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed t\u01b0\u01a1ng \u0111\u1ed1i cao. D. Ch\u1ea5t l\u1ecfng h\u00ecnh th\u00e0nh t\u1eeb hi\u1ec7n t\u01b0\u1ee3ng \u1ee9 gi\u1ecdt l\u00e0 nh\u1ef1a c\u00e2y. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: + A, B, C \u0111\u00fang. Hi\u1ec7n t\u01b0\u1ee3ng \u1ee9 gi\u1ecdt l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng xu\u1ea5t hi\u1ec7n nh\u1eefng gi\u1ecdt n\u01b0\u1edbc \u0111\u1ecdng \u1edf m\u00e9p l\u00e1. Nguy\u00ean nh\u00e2n l\u00e0 do n\u01b0\u1edbc b\u1ecb \u0111\u1ea9y theo m\u1ea1ch g\u1ed7 t\u1eeb r\u1ec5 l\u00ean l\u00e1 trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng kh\u00ed \u0111\u00e3 b\u00e3o h\u00f2a h\u01a1i n\u01b0\u1edbc (\u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed cao), khi\u1ebfn cho n\u01b0\u1edbc kh\u00f4ng tho\u00e1t ra d\u01b0\u1edbi d\u1ea1ng h\u01a1i m\u00e0 \u0111\u1ecdng l\u1ea1i t\u1ea1o th\u00e0nh gi\u1ecdt. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u01b0\u1eddng x\u1ea3y ra \u1edf nh\u1eefng c\u00e2y b\u1ee5i th\u1ea5p m\u00e0 kh\u00f4ng x\u1ea3y ra \u1edf nh\u1eefng c\u00e2y g\u1ed7 cao. V\u00ec nh\u1eefng c\u00e2y m\u1ecdc th\u1ea5p th\u00ec kh\u00f4ng kh\u00ed d\u1ec5 b\u00e3o h\u00f2a v\u00e0 \u00e1p su\u1ea5t r\u1ec5 \u0111\u1ee7 m\u1ea1n \u0111\u1ec3 \u0111\u1ea9y n\u01b0\u1edbc t\u1eeb r\u1ec5 l\u00ean l\u00e1 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u1ee9 gi\u1ecdt. + D sai. Ch\u1ea5t l\u1ecfng h\u00ecnh th\u00e0nh t\u1eeb hi\u1ec7n t\u01b0\u1ee3ng \u1ee9 gi\u1ecdt l\u00e0 n\u01b0\u1edbc ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1ef1a c\u1ee7a c\u00e2y. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. 12. M\u1ed9t nh\u00f3m h\u1ecdc sinh \u0111\u00e3 l\u00e0m th\u00ed nghi\u1ec7m: cho 50 g h\u1ea1t \u0111\u1ed7 t\u01b0\u01a1ng m\u1edbi nh\u00fa m\u1ea1nh v\u00e0o b\u00ecnh tam gi\u00e1c r\u1ed3i \u0111\u1eady k\u00edn l\u1ea1i trong kho\u1ea3ng th\u1eddi gian 2 gi\u1edd. bi\u1ebft r\u1eb1ng th\u00ed nghi\u1ec7m n\u00e0y \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh khi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i b\u00ecnh tam gi\u00e1c l\u00e0 30\u25a1C. H\u00e3y cho bi\u1ebft c\u00f3 bao nhi\u00eau nh\u1eadn \u0111\u1ecbnh sau \u0111\u00e2y \u0111\u00fang? (I). T\u1ec9 l\u1ec7 ph\u1ea7n tr\u0103m CO2 trong b\u00ecnh tam gi\u00e1c s\u1ebd t\u0103ng so v\u1edbi l\u00fac \u0111\u1ea7u (m\u1edbi cho h\u1ea1t v\u00e0o). (II). Nhi\u1ec7t \u0111\u1ed9 trong b\u00ecnh tam gi\u00e1c th\u1ea5p h\u01a1n ngo\u00e0i m\u00f4i tr\u01b0\u1eddng. (III)Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p c\u1ee7a h\u1ea1t \u0111ang n\u1ea3y m\u1ea7m c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m trung gian c\u1ea7n cho t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 c\u1ee7a m\u1ea7m c\u00e2y. (IV) H\u1ea1t \u0111ang n\u1ea3y m\u1ea7m c\u00f3 di\u1ec5n ra qu\u00e1 tr\u00ecnh ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 d\u1ef1 tr\u1eef trong h\u1ea1t th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u1ea7n cho h\u1ea1t n\u1ea3y m\u1ea7m. A. 1. B. 4. C. 3. D. 2. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: + (I) \u0111\u00fang, h\u1ea1t n\u1ea3y m\u1ea7m h\u00f4 h\u1ea5p m\u1ea1nh t\u1ea1o ra kh\u00ed CO2. + (II) sai, nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n v\u00ec h\u1ea1t n\u1ea3y m\u1ea7m to\u1ea3 nhi\u1ec7t. + (III) \u0111\u00fang, h\u00f4 h\u1ea5p t\u1ea1o ra CO2, H2O l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o c\u1ee7a qu\u00e1 tr\u00ecnh quang h\u1ee3p. + (IV) \u0111\u00fang, h\u00f4 h\u1ea5p l\u00e0m ph\u00e2n gi\u1ea3i \u0111\u01b0\u1eddng glucose d\u1ef1 tr\u1eef trong h\u1ea1t, t\u1ea1o n\u0103ng l\u01b0\u1ee3ng cho h\u1ea1t ph\u00e1t tri\u1ec3n m\u1ea1nh. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. Trang 4\/5","13. H\u00f4 h\u1ea5p di\u1ec5n ra m\u1ea1nh nh\u1ea5t trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o sau \u0111\u00e2y? A. L\u00faa \u0111ang l\u00e0m \u0111\u00f2ng. B. H\u1ea1t l\u00faa \u0111ang n\u1ea3y m\u1ea7m. C. L\u00faa \u0111ang tr\u1ed5 b\u00f4ng. D. L\u00faa \u0111ang ch\u00edn. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: H\u00f4 h\u1ea5p m\u1ea1nh nh\u1ea5t \u1edf giai \u0111o\u1ea1n h\u1ea1t l\u00faa \u0111ang n\u1ea3y m\u1ea7m. N\u1ebfu thi\u1ebfu oxygen th\u00ec \u0111\u1ed9 d\u00e0i h\u1ea1t th\u00f3c v\u01b0\u01a1n nhanh nh\u01b0ng r\u1ec5 l\u1ea1i ph\u00e1t tri\u1ec3n ng\u1eafn, N\u01b0\u1edbc ch\u1ee9a r\u1ea5t \u00edt kh\u00f4ng kh\u00ed, n\u00ean n\u1ebfu h\u1ea1t l\u00faa gi\u1ed1ng b\u1ecb ng\u1eadp s\u00e2u trong n\u01b0\u1edbc th\u00ec ph\u00f4i s\u1ebd ph\u00e1t tri\u1ec3n ch\u1eadm v\u00e0 h\u1eadu qu\u1ea3 l\u00e0 m\u1ea7m s\u1ebd m\u1ea3nh v\u00e0 y\u1ebfu. Do v\u1eady th\u1eddi \u0111i\u1ec3m n\u1ea3y m\u1ea7m l\u00e0 l\u00fac di\u1ec5n ra ho\u1ea1t \u0111\u1ed9ng h\u00f4 h\u1ea5p m\u1ea1nh nh\u1ea5t, cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u01a1 th\u1ec3 sinh v\u1eadt ph\u00e1t tri\u1ec3n nhanh. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. 14. Khi cho que di\u00eam \u0111ang ch\u00e1y v\u00e0o b\u00ecnh ch\u1ee9a h\u1ea1t \u0111ang n\u1ea3y m\u1ea7m th\u00ec ng\u1ecdn l\u1eeda s\u1ebd t\u1eaft ngay, hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y l\u00e0 do A. h\u00f4 h\u1ea5p t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng ATP. B. h\u00f4 h\u1ea5p t\u1ea1o ra kh\u00ed CO2. C. h\u00f4 h\u1ea5p t\u1ea1o ra nhi\u1ec7t. D. h\u00f4 h\u1ea5p t\u1ea1o ra n\u01b0\u1edbc. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: H\u1ea1t \u0111ang n\u1ea3y m\u1ea7m ti\u00eau th\u1ee5 kh\u00ed O2, th\u1ea3i ra kh\u00ed CO2 do \u0111\u00f3 cho que di\u00eam \u0111ang ch\u00e1y v\u00e0o b\u00ecnh th\u00ec ng\u1ecdn l\u1eeda b\u1ecb t\u1eaft ngay. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. 15. Khi no n\u01b0\u1edbc, t\u1ebf b\u00e0o kh\u00ed kh\u1ed5ng s\u1ebd A. di chuy\u1ec3n. B. v\u1ee1 tan. C. m\u1edf ra. D. \u0111\u00f3ng l\u1ea1i. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Khi kh\u00ed kh\u1ed5ng no n\u01b0\u1edbc, kh\u00ed kh\u1ed5ng m\u1edf c\u00e1c kh\u00ed khu\u1ebfch t\u00e1n v\u00e0o v\u00e0 ra kh\u1ecfi l\u00e1. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. Trang 5\/5","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP B\u00c0I 11: TRAO \u0110\u1ed4I KH\u00cd \u1ede SINH V\u1eacT (PH\u1ea6N 2) 1. H\u00ecnh th\u1ee9c h\u00f4 h\u1ea5p c\u1ee7a ch\u00e2u ch\u1ea5u l\u00e0 Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 A. h\u00f4 h\u1ea5p b\u1eb1ng mang. C. h\u00f4 h\u1ea5p b\u1eb1ng ph\u1ed5i. B. h\u00f4 h\u1ea5p b\u1eb1ng h\u1ec7 th\u1ed1ng \u1ed1ng kh\u00ed. D. h\u00f4 h\u1ea5p qua b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3. Ch\u00e2u ch\u1ea5u h\u00f4 h\u1ea5p nh\u1edd h\u1ec7 th\u1ed1ng \u1ed1ng kh\u00ed. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. B. s\u1ef1 di chuy\u1ec3n c\u1ee7a c\u01a1 th\u1ec3. 2. \u0110\u1ed9ng t\u00e1c th\u1edf c\u1ee7a c\u00f4n tr\u00f9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd D. kh\u00f4ng c\u1ea7n th\u1ef1c hi\u1ec7n \u0111\u1ed9ng t\u00e1c th\u1edf, kh\u00f4ng kh\u00ed v\u1eabn t\u1ef1 l\u01b0u th\u00f4ng. A. s\u1ef1 co d\u00e3n c\u1ee7a th\u00e0nh b\u1ee5ng. C. s\u1ef1 nhu \u0111\u1ed9ng c\u1ee7a h\u1ec7 ti\u00eau ho\u00e1. \u1ede c\u00f4n tr\u00f9ng, s\u1ef1 th\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd s\u1ef1 co gi\u00e3n c\u1ee7a ph\u1ea7n b\u1ee5ng. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. 3. H\u00ecnh th\u1ee9c trao \u0111\u1ed5i kh\u00ed qua b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ea5y \u1edf nh\u1eefng \u0111\u1ed9ng v\u1eadt n\u00e0o d\u01b0\u1edbi \u0111\u00e2y? A. Th\u1ee7y t\u1ee9c, c\u00e1. B. Ong, ch\u00e2u ch\u1ea5u. C. Giun \u0111\u1ea5t, r\u1eafn. D. \u1ebech nh\u00e1i, giun \u0111\u1ea5t. D. tu\u1ea7n ho\u00e0n. Nh\u00f3m sinh v\u1eadt trao \u0111\u1ed5i kh\u00ed qua b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3 l\u00e0 \u1ebfch nh\u00e1i (l\u01b0\u1ee1ng c\u01b0) v\u00e0 giun \u0111\u1ea5t. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 4. \u1ede ng\u01b0\u1eddi, vi\u1ec7c l\u1ea5y kh\u00ed v\u00e0o v\u00e0 th\u1ea3i kh\u00ed ra th\u00f4ng qua ho\u1ea1t \u0111\u1ed9ng A. ti\u00eau ho\u00e1. B. h\u00edt th\u1edf. C. b\u00e0i ti\u1ebft. \u1ede ng\u01b0\u1eddi, vi\u1ec7c l\u1ea5y kh\u00ed v\u00e0o v\u00e0 th\u1ea3i kh\u00ed ra th\u00f4ng qua ho\u1ea1t \u0111\u1ed9ng h\u00edt th\u1edf. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. 5. \u00dd n\u00e0o d\u01b0\u1edbi \u0111\u00e2y kh\u00f4ng \u0111\u00fang v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a giun \u0111\u1ea5t th\u00edch \u1ee9ng v\u1edbi s\u1ef1 trao \u0111\u1ed5i kh\u00ed? A. Da lu\u00f4n \u1ea9m gi\u00fap c\u00e1c kh\u00ed d\u1ec5 d\u00e0ng khu\u1ebfch t\u00e1n qua. B. T\u1ef7 l\u1ec7 gi\u1eefa th\u1ec3 t\u00edch c\u01a1 th\u1ec3 v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3 kh\u00e1 l\u1edbn. C. T\u1ef7 l\u1ec7 gi\u1eefa di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3 v\u00e0 th\u1ec3 t\u00edch c\u01a1 th\u1ec3 D. D\u01b0\u1edbi da c\u00f3 nhi\u1ec1u mao m\u1ea1ch v\u00e0 c\u00f3 s\u1eafc t\u1ed1 h\u00f4 h\u1ea5p. (S\/V) kh\u00e1 l\u1edbn. \u1ede \u0111\u1ed9ng v\u1eadt h\u00f4 h\u1ea5p qua b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3, t\u1ef7 l\u1ec7 gi\u1eefa th\u1ec3 t\u00edch c\u01a1 th\u1ec3 v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3 th\u01b0\u1eddng nh\u1ecf. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 6. \u0110\u1ed9ng v\u1eadt \u0111\u01a1n b\u00e0o hay \u0111a b\u00e0o c\u00f3 t\u1ed5 ch\u1ee9c th\u1ea5p (ru\u1ed9t khoang, giun tr\u00f2n, giun d\u1eb9p) c\u00f3 h\u00ecnh th\u1ee9c h\u00f4 h\u1ea5p nh\u01b0 th\u1ebf n\u00e0o? A. H\u00f4 h\u1ea5p b\u1eb1ng ph\u1ed5i. B. H\u00f4 h\u1ea5p qua b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3. C. H\u00f4 h\u1ea5p b\u1eb1ng mang. D. H\u00f4 h\u1ea5p b\u1eb1ng h\u1ec7 th\u1ed1ng \u1ed1ng kh\u00ed. \u0110\u1ed9ng v\u1eadt nguy\u00ean sinh, \u0111a b\u00e0o b\u1eadc th\u1ea5p (ru\u1ed9t khoang, giun tr\u00f2n) h\u00f4 h\u1ea5p qua b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. 7. \u1ede nh\u00f3m \u0111\u1ed9ng v\u1eadt n\u00e0o sau \u0111\u00e2y, qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n kh\u00ed kh\u00f4ng c\u00f3 s\u1ef1 tham gia c\u1ee7a h\u1ec7 tu\u1ea7n ho\u00e0n? A. \u1ebech nh\u00e1i. B. C\u00e1 x\u01b0\u01a1ng. C. R\u1eafn. D. Ong. \u1ede Ong, kh\u00ed \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n t\u1edbi t\u1eebng t\u1ebf b\u00e0o b\u1eb1ng h\u1ec7 th\u1ed1ng \u1ed1ng kh\u00ed, kh\u00f4ng c\u00f3 s\u1ef1 tham gia c\u1ee7a h\u1ec7 tu\u1ea7n ho\u00e0n. Trang 1\/4","C\u00f2n \u1edf R\u1eafn, \u1ebech nh\u00e1i v\u00e0 C\u00e1 x\u01b0\u01a1ng l\u00e0 nh\u1eefng nh\u00f3m \u0111\u1ed9ng v\u1eadt b\u1eadc cao, khi v\u1eadn chuy\u1ec3n kh\u00ed s\u1ebd c\u00f3 s\u1ef1 tham c\u1ee7a c\u1ea3 h\u1ec7 tu\u1ea7n ho\u00e0n. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. 8. V\u00ec sao c\u00e1 l\u00ean c\u1ea1n s\u1ebd b\u1ecb ch\u1ebft trong th\u1eddi gian ng\u1eafn? B. V\u00ec nhi\u1ec7t \u0111\u1ed9 tr\u00ean c\u1ea1n cao. A. V\u00ec di\u1ec7n t\u00edch trao \u0111\u1ed5i kh\u00ed c\u00f2n r\u1ea5t nh\u1ecf v\u00e0 mang b\u1ecb kh\u00f4 D. V\u00ec \u0111\u1ed9 \u1ea9m tr\u00ean c\u1ea1n th\u1ea5p. n\u00ean c\u00e1 kh\u00f4ng h\u00f4 h\u1ea5p \u0111\u01b0\u1ee3c. C. V\u00ec kh\u00f4ng h\u1ea5p thu \u0111\u01b0\u1ee3c O2 c\u1ee7a kh\u00f4ng kh\u00ed. V\u00ec \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed l\u00e0m mang b\u1ecb x\u1eb9p, n\u1eafp mang d\u00ednh ch\u1eb7t, di\u1ec7n t\u00edch trao \u0111\u1ed5i kh\u00ed c\u00f2n r\u1ea5t nh\u1ecf v\u00e0 mang b\u1ecb kh\u00f4 n\u00ean c\u00e1 kh\u00f4ng h\u00f4 h\u1ea5p \u0111\u01b0\u1ee3c. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 9. V\u00ec sao mang c\u00e1 c\u00f3 di\u1ec7n t\u00edch trao \u0111\u1ed5i kh\u00ed l\u1edbn? B. V\u00ec mang c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. A. V\u00ec mang c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn. D. V\u00ec mang c\u00f3 nhi\u1ec1u cung mang v\u00e0 m\u1ed7i cung mang g\u1ed3m nhi\u1ec1u phi\u1ebfn mang. C. V\u00ec c\u00f3 \u00edt cung mang. Mang c\u00f3 nhi\u1ec1u cung mang v\u00e0 m\u1ed7i cung mang g\u1ed3m nhi\u1ec1u phi\u1ebfn mang m\u1ecfng v\u00e0 ch\u1ee9a r\u1ea5t nhi\u1ec1u mao m\u1ea1ch m\u00e1u. T\u1eeb \u0111\u00f3 l\u00e0m t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac \u0111\u1ec3 trao \u0111\u1ed5i kh\u00ed \u0111\u01b0\u1ee3c nhi\u1ec1u v\u00e0 nhanh h\u01a1n. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: B. 10. Khi c\u00e1 th\u1edf ra, di\u1ec5n bi\u1ebfn n\u00e0o di\u1ec5n ra d\u01b0\u1edbi \u0111\u00e2y \u0111\u00fang? B. Th\u1ec3 t\u00edch khoang mi\u1ec7ng gi\u1ea3m, \u00e1p su\u1ea5t trong khoang A. Th\u1ec3 t\u00edch khoang mi\u1ec7ng t\u0103ng, \u00e1p su\u1ea5t trong khoang mi\u1ec7ng t\u0103ng n\u01b0\u1edbc t\u1eeb khoang mi\u1ec7ng \u0111i qua mang. mi\u1ec7ng t\u0103ng, n\u01b0\u1edbc t\u1eeb khoang mi\u1ec7ng \u0111i qua mang. D. Th\u1ec3 t\u00edch khoang mi\u1ec7ng t\u0103ng, \u00e1p su\u1ea5t trong khoang C. Th\u1ec3 t\u00edch khoang mi\u1ec7ng gi\u1ea3m, \u00e1p su\u1ea5t trong khoang mi\u1ec7ng gi\u1ea3m, n\u01b0\u1edbc t\u1eeb khoang mi\u1ec7ng \u0111i qua mang. mi\u1ec7ng gi\u1ea3m, n\u01b0\u1edbc t\u1eeb khoang mi\u1ec7ng \u0111i qua mang. C\u00e1 th\u1edf ra: mi\u1ec7ng \u0111\u00f3ng l\u1ea1i \u2192 n\u1eafp mang m\u1edf ra \u2192 th\u1ec3 t\u00edch khoang mi\u1ec7ng gi\u1ea3m, \u00e1p su\u1ea5t trong khoang mi\u1ec7ng t\u0103ng l\u00e0m n\u01b0\u1edbc t\u1eeb khoang mi\u1ec7ng \u0111i qua mang. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. Trang 2\/4","11. Lo\u00e0i \u0111\u1ed9ng v\u1eadt n\u00e0o sau \u0111\u00e2y trao \u0111\u1ed5i kh\u00ed b\u1eb1ng \u1ed1ng kh\u00ed? A. Trai s\u00f4ng. B. Giun \u0111\u1ea5t. C. Thu\u1ef7 t\u1ee9c. D. C\u00e0o c\u00e0o. + C\u00e0o c\u00e0o trao \u0111\u1ed5i kh\u00ed b\u1eb1ng h\u1ec7 th\u1ed1ng \u1ed1ng kh\u00ed. + Trai s\u00f4ng qua mang + Giun \u0111\u1ea5t, thu\u1ef7 t\u1ee9c : qua b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3 \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: B. 12. S\u1ef1 trao \u0111\u1ed5i kh\u00ed c\u1ee7a c\u00e1 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t so v\u1edbi c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt kh\u00e1c \u1edf n\u01b0\u1edbc v\u00ec A. d\u00f2ng n\u01b0\u1edbc qua mang song song v\u00e0 ng\u01b0\u1ee3c chi\u1ec1u v\u1edbi B. n\u1eafp mang \u0111\u00f3ng m\u1edf li\u00ean t\u1ee5c v\u00e0 nh\u1ecbp nh\u00e0ng. d\u00f2ng m\u00e1u trong mao m\u1ea1ch. C. d\u00f2ng n\u01b0\u1edbc qua mang vu\u00f4ng g\u00f3c v\u1edbi d\u00f2ng m\u00e1u trong D. d\u00f2ng n\u01b0\u1edbc qua mang song song v\u00e0 c\u00f9ng chi\u1ec1u v\u1edbi mao m\u1ea1ch. d\u00f2ng m\u00e1u trong mao m\u1ea1ch. S\u1ef1 trao \u0111\u1ed5i kh\u00ed c\u1ee7a c\u00e1 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t so v\u1edbi c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt \u1edf n\u01b0\u1edbc v\u00ec: D\u00f2ng n\u01b0\u1edbc qua mang song song ng\u01b0\u1ee3c chi\u1ec1u v\u1edbi d\u00f2ng m\u00e1u trong mao m\u1ea1ch l\u00e0m s\u1ef1 trao \u0111\u1ed5i kh\u00ed \u1edf mang c\u00e1 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 13. C\u0103n c\u1ee9 v\u00e0o b\u1ec1 m\u1eb7t trao \u0111\u1ed5i kh\u00ed, \u1edf \u0111\u1ed9ng v\u1eadt c\u00f3 bao nhi\u00eau h\u00ecnh th\u1ee9c h\u00f4 h\u1ea5p? A. 2. B. 4. C. 3. D. 5. C\u0103n c\u1ee9 v\u00e0o b\u1ec1 m\u1eb7t trao \u0111\u1ed5i kh\u00ed ta chia ra 4 h\u00ecnh th\u1ee9c h\u00f4 h\u1ea5p: + H\u00f4 h\u1ea5p qua b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3 + H\u00f4 h\u1ea5p qua mang + H\u00f4 h\u1ea5p qua \u1ed1ng kh\u00ed + H\u00f4 h\u1ea5p b\u1eb1ng ph\u1ed5i \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 14. \u0110\u1ed9ng v\u1eadt n\u00e0o sau \u0111\u00e2y c\u00f3 h\u1ec7 th\u1ed1ng t\u00fai kh\u00ed th\u00f4ng v\u1edbi ph\u1ed5i? A. Ch\u00e2u ch\u1ea5u. B. Chim b\u1ed3 c\u00e2u. C. S\u01b0 t\u1eed. D. \u1ebech nh\u00e1i. \u1ede chim b\u1ed3 c\u00e2u, h\u1ec7 h\u00f4 h\u1ea5p g\u1ed3m c\u00e1c t\u00fai kh\u00ed v\u00e0 ph\u1ed5i. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. Trang 3\/4","15. \u0110\u1ed9ng v\u1eadt n\u00e0o sau \u0111\u00e2y c\u00f3 qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i kh\u00ed gi\u1eefa c\u01a1 th\u1ec3 v\u1edbi m\u00f4i tru\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n qua da? A. B. C. D. Giun \u0111\u1ea5t trao \u0111\u1ed5i kh\u00ed qua da Ch\u00e2u ch\u1ea5u trao \u0111\u1ed5i kh\u00ed qua \u1ed1ng kh\u00ed Chim b\u1ed3 c\u00e2u trao \u0111\u1ed5i kh\u00ed qua ph\u1ed5i C\u00e1 ch\u00e9p trao \u0111\u1ed5i kh\u00ed qua mang \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0 giun \u0111\u1ea5t. Trang 4\/4","\u0110\u00c1P \u00c1N B\u00c0I T\u1eacP B\u00c0I 12: VAI TR\u00d2 C\u1ee6A N\u01af\u1edaC \u0110\u1ed0I V\u1edaI C\u01a0 TH\u1ec2 SINH V\u1eacT Khoa h\u1ecdc t\u1ef1 nhi\u00ean 7 1. C\u00e1c nh\u00e0 khoa h\u1ecdc khi t\u00ecm ki\u1ebfm s\u1ef1 s\u1ed1ng tr\u00ean c\u00e1c h\u00e0nh tinh kh\u00e1c \u0111\u1ec1u t\u00ecm ki\u1ebfm s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a n\u01b0\u1edbc v\u00ec l\u00fd do n\u00e0o sau \u0111\u00e2y? A. N\u01b0\u1edbc l\u00e0 dung m\u00f4i cho m\u1ecdi ph\u1ea3n \u1ee9ng sinh h\u00f3a trong t\u1ebf B. N\u01b0\u1edbc l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu tham gia v\u00e0o c\u1ea5u tr\u00fac t\u1ebf b\u00e0o. b\u00e0o. C. N\u01b0\u1edbc \u0111\u1ea3m b\u1ea3o cho t\u1ebf b\u00e0o v\u00e0 c\u01a1 th\u1ec3 c\u00f3 nhi\u1ec7t \u0111\u1ed9 \u1ed5n D. N\u01b0\u1edbc \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c nguy\u00ean t\u1ed1 \u0111a l\u01b0\u1ee3ng. \u0111\u1ecbnh. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u00e1c nh\u00e0 khoa h\u1ecdc khi t\u00ecm ki\u1ebfm s\u1ef1 s\u1ed1ng tr\u00ean c\u00e1c h\u00e0nh tinh kh\u00e1c \u0111\u1ec1u t\u00ecm ki\u1ebfm s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a n\u01b0\u1edbc v\u00ec n\u01b0\u1edbc l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu tham gia v\u00e0o c\u1ea5u tr\u00fac t\u1ebf b\u00e0o. N\u01b0\u1edbc l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu tham gia v\u00e0o c\u1ea5u tr\u00fac t\u1ebf b\u00e0o m\u00e0 t\u1ebf b\u00e0o l\u1ea1i l\u00e0 \u0111\u01a1n v\u1ecb s\u1ed1ng nh\u1ecf nh\u1ea5t. N\u1ebfu kh\u00f4ng c\u00f3 n\u01b0\u1edbc th\u00ec t\u1ebf b\u00e0o b\u00e9 nh\u1ecf nh\u1ea5t c\u0169ng kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i n\u00ean kh\u00f4ng th\u1ec3 c\u00f3 c\u01a1 th\u1ec3 s\u1ed1ng n\u00e0o xu\u1ea5t hi\u1ec7n \u1edf n\u01a1i kh\u00f4ng c\u00f3 s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a n\u01b0\u1edbc. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 2. N\u01b0\u1edbc \u0111\u00e1 c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o sau \u0111\u00e2y? B. Kh\u00f4ng t\u1ed3n t\u1ea1i c\u00e1c li\u00ean k\u1ebft hydrogen. A. C\u00e1c li\u00ean k\u1ebft hydrogen b\u1ecb b\u1ebb g\u00e3y nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e1i t\u1ea1o. D. C\u00e1c li\u00ean k\u1ebft hydrogen lu\u00f4n b\u1ecb b\u1ebb g\u00e3y v\u00e0 t\u00e1i t\u1ea1o li\u00ean C. C\u00e1c li\u00ean k\u1ebft hydrogen lu\u00f4n b\u1ec1n v\u1eefng v\u00e0 t\u1ea1o n\u00ean c\u1ea5u t\u1ee5c. tr\u00fac m\u1ea1ng tinh th\u1ec3. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: N\u01b0\u1edbc \u0111\u00e1 c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m: C\u00e1c li\u00ean k\u1ebft hydrogen lu\u00f4n b\u1ec1n v\u1eefng v\u00e0 t\u1ea1o n\u00ean c\u1ea5u tr\u00fac m\u1ea1ng tinh th\u1ec3. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. 3. T\u00ednh ph\u00e2n c\u1ef1c c\u1ee7a n\u01b0\u1edbc l\u00e0 do B. kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a O l\u1edbn h\u01a1n kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a H. A. \u0111\u00f4i electron trong m\u1ed1i li\u00ean k\u1ebft O \u2013 H b\u1ecb k\u00e9o l\u1ec7ch v\u1ec1 ph\u00eda O. D. \u0111\u00f4i electron trong m\u1ed1i li\u00ean k\u1ebft O \u2013 H b\u1ecb k\u00e9o l\u1ec7ch v\u1ec1 ph\u00eda H. C. xu h\u01b0\u1edbng c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: T\u00ednh ph\u00e2n c\u1ef1c c\u1ee7a n\u01b0\u1edbc l\u00e0 do \u0111\u00f4i electron trong m\u1ed1i li\u00ean k\u1ebft O \u2013 H b\u1ecb k\u00e9o l\u1ec7ch v\u1ec1 ph\u00eda O. C\u00f3 th\u1ec3 gi\u1ea3i th\u00edch \u0111\u1ecbnh t\u00ednh b\u1eb1ng t\u00ednh hi\u1ec7u \u0111\u1ed9 \u00e2m \u0111i\u1ec7n: Hi\u1ec7u \u0111\u1ed9 \u00e2m \u0111i\u1ec7n c\u1ee7a O v\u00e0 H l\u00e0 3,44 - 2,2 = 1,24. V\u1eady li\u00ean k\u1ebft h\u00f3a h\u1ecdc gi\u1eefa c\u00e1c nguy\u00ean t\u1eed trong ph\u00e2n t\u1eed H2O l\u00e0 li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb ph\u00e2n c\u1ef1c. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 4. Li\u00ean k\u1ebft h\u00f3a h\u1ecdc gi\u1eefa c\u00e1c nguy\u00ean t\u1eed trong ph\u00e2n t\u1eed n\u01b0\u1edbc l\u00e0 li\u00ean k\u1ebft A. c\u1ed9ng h\u00f3a tr\u1ecb. B. phosphodiester. C. ionic. D. hydrogen. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Do oxygen c\u00f3 \u0111\u1ed9 \u00e2m \u0111i\u1ec7n l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi hydrogen n\u00ean li\u00ean k\u1ebft h\u00f3a h\u1ecdc gi\u1eefa c\u00e1c nguy\u00ean t\u1eed trong ph\u00e2n t\u1eed H2O l\u00e0 li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb ph\u00e2n c\u1ef1c. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 5. Cho c\u00e1c \u00fd sau: (1). U\u1ed1ng t\u1eeb 1,5 \u2013 2 l\u00edt n\u01b0\u1edbc m\u1ed7i ng\u00e0y. (2). Truy\u1ec1n n\u01b0\u1edbc khi c\u01a1 th\u1ec3 b\u1ecb ti\u00eau ch\u1ea3y. (3). \u0102n nhi\u1ec1u hoa qu\u1ea3 m\u1ecdng n\u01b0\u1edbc. (4). D\u00e1n mi\u1ebfng gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 khi c\u01a1 th\u1ec3 b\u1ecb s\u1ed1t. Trong c\u00e1c \u00fd tr\u00ean c\u00f3 m\u1ea5y \u00fd l\u00e0 nh\u1eefng vi\u1ec7c l\u00e0m quan tr\u1ecdng gi\u00fap ch\u00fang ta c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ee7 n\u01b0\u1edbc cho c\u01a1 th\u1ec3 trong nh\u1eefng tr\u1ea1ng th\u00e1i kh\u00e1c nhau? Trang 1\/3 A. 4. B. 3. C. 2. D. 1.","H\u01b0\u1edbng d\u1eabn gi\u1ea3i: C\u00e1c vi\u1ec7c l\u00e0m quan tr\u1ecdng \u0111\u1ec3 gi\u00fap c\u01a1 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ee7 n\u01b0\u1edbc: + U\u1ed1ng \u0111\u1ee7 l\u01b0\u1ee3ng n\u01b0\u1edbc. + \u0102n nhi\u1ec1u hoa qu\u1ea3. + Truy\u1ec1n n\u01b0\u1edbc khi b\u1ecb ti\u00eau ch\u1ea3y. C\u00f2n \u00fd (4) d\u00e1n mi\u1ebfng gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 khi c\u01a1 th\u1ec3 b\u1ecb s\u1ed1t kh\u00f4ng th\u1ec3 cung c\u1ea5p n\u01b0\u1edbc cho c\u01a1 th\u1ec3. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. 6. \u0110\u1ed1i v\u1edbi s\u1ef1 s\u1ed1ng, li\u00ean k\u1ebft hydrogen c\u00f3 vai tr\u00f2 n\u00e0o sau \u0111\u00e2y? B. Quy \u0111\u1ecbnh s\u1ef1 li\u00ean k\u1ebft gi\u1eefa c\u00e1c ph\u00e2n t\u1eed trong c\u01a1 th\u1ec3 v\u1edbi A. \u0110\u1ea3m b\u1ea3o cho nguy\u00ean t\u1eed hydrogen li\u00ean k\u1ebft ch\u1eb7t v\u1edbi c\u00e1c ph\u00e2n t\u1eed h\u1eefu c\u01a1. nhau. C. \u0110\u1ea3m b\u1ea3o cho nguy\u00ean t\u1eed hydrogen li\u00ean k\u1ebft ch\u1eb7t v\u1edbi c\u00e1c D. Duy tr\u00ec li\u00ean k\u1ebft y\u1ebfu gi\u1eefa c\u00e1c ph\u00e2n t\u1eed ph\u00e2n c\u1ef1c v\u1edbi c\u00e1c ph\u00e2n t\u1eed kh\u00e1c. ph\u00e2n t\u1eed n\u01b0\u1edbc. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: \u0110\u1ed1i v\u1edbi s\u1ef1 s\u1ed1ng, li\u00ean k\u1ebft hydrogen c\u00f3 vai tr\u00f2 duy tr\u00ec li\u00ean k\u1ebft y\u1ebfu gi\u1eefa c\u00e1c ph\u00e2n t\u1eed ph\u00e2n c\u1ef1c v\u1edbi c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: D. 7. \u0110\u1ec3 b\u1ea3o qu\u1ea3n rau qu\u1ea3 ch\u00fang ta kh\u00f4ng n\u00ean l\u00e0m \u0111i\u1ec1u g\u00ec? B. Gi\u1eef rau qu\u1ea3 trong ng\u0103n m\u00e1t c\u1ee7a t\u1ee7 l\u1ea1nh. A. S\u1ea5y kh\u00f4 rau qu\u1ea3. D. Gi\u1eef rau qu\u1ea3 trong ng\u0103n \u0111\u00e1 c\u1ee7a t\u1ee7 l\u1ea1nh. C. Ng\u00e2m rau qu\u1ea3 trong n\u01b0\u1edbc mu\u1ed1i ho\u1eb7c n\u01b0\u1edbc \u0111\u01b0\u1eddng. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Khi cho v\u00e0o ng\u0103n \u0111\u00e1 ph\u00e2n t\u1eed n\u01b0\u1edbc trong t\u1ebf b\u00e0o rau h\u00ecnh th\u00e0nh li\u00ean k\u1ebft hydrogen b\u1ec1n v\u1eefng, khi \u0111\u00f3 ch\u00fang x\u1ebfp th\u00e0nh m\u1ea1ng l\u01b0\u1edbi tinh th\u1ec3 c\u00f3 c\u1ea5u tr\u00fac r\u1ed7ng \u2192 \u0111\u00f4ng \u0111\u00e1 s\u1ebd t\u0103ng th\u1ec3 t\u00edch \u2192 l\u00e0m v\u1ee1 c\u00e1c t\u1ebf b\u00e0o \u2192 t\u1ebf b\u00e0o s\u1ebd ch\u1ebft \u2192 rau kh\u00f4ng ngon v\u00e0 d\u1ec5 h\u1ecfng. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: A. 8. Cho c\u00e1c \u00fd sau: (1) N\u01b0\u1edbc trong t\u1ebf b\u00e0o lu\u00f4n \u0111\u01b0\u1ee3c \u0111\u1ed5i m\u1edbi h\u00e0ng ng\u00e0y. (2)N\u01b0\u1edbc t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf ch\u1ea5t nguy\u00ean sinh trong t\u1ebf b\u00e0o. (3). N\u01b0\u1edbc tham gia v\u00e0o ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n trong t\u1ebf b\u00e0o. (4). N\u01b0\u1edbc li\u00ean k\u1ebft v\u1edbi c\u00e1c ph\u00e2n t\u1eed nh\u1edd li\u00ean k\u1ebft hydrogen. (5). N\u01b0\u1edbc c\u00f3 t\u00ednh ph\u00e2n c\u1ef1c th\u1ec3 hi\u1ec7n \u1edf v\u00f9ng O mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng v\u00e0 v\u00f9ng H mang \u0111i\u1ec7n t\u00edch \u00e2m. Trong c\u00e1c \u00fd tr\u00ean, c\u00f3 m\u1ea5y \u00fd \u0111\u00fang v\u1edbi vai tr\u00f2 c\u1ee7a n\u01b0\u1edbc? A. 2. B. 4. C. 3. D. 5. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: \u00dd (1), (2), (3), (4) \u0111\u00fang v\u00ec \u0111\u00f3 l\u00e0 nh\u1eefng vai tr\u00f2 c\u01a1 b\u1ea3n c\u1ee7a n\u01b0\u1edbc. N\u01b0\u1edbc l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu c\u1ea5u t\u1ea1o n\u00ean t\u1ebf b\u00e0o v\u00e0 c\u01a1 th\u1ec3. N\u01b0\u1edbc c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a sinh v\u1eadt: \u0111i\u1ec1u h\u00f2a th\u00e2n nhi\u1ec7t, dung m\u00f4i h\u00f2a tan v\u00e0 v\u1eadn chuy\u1ec3n c\u00e1c ch\u1ea5t, nguy\u00ean li\u1ec7u v\u00e0 m\u00f4i tr\u01b0\u1eddng di\u1ec5n ra c\u00e1c ph\u1ea3n \u1ee9ng chuy\u1ec3n h\u00f3a. \u00dd (5) sai v\u00ec trong ph\u00e2n t\u1eed n\u01b0\u1edbc, nguy\u00ean t\u1eed O mang \u0111i\u1ec7n t\u00edch \u00e2m c\u00f2n nguy\u00ean t\u1eed H mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. 9. C\u00e2u n\u00e0o sau \u0111\u00e2y kh\u00f4ng \u0111\u00fang v\u1edbi vai tr\u00f2 c\u1ee7a n\u01b0\u1edbc trong t\u1ebf b\u00e0o? B. N\u01b0\u1edbc tham gia v\u00e0o qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a v\u1eadt ch\u1ea5t. A. N\u01b0\u1edbc trong t\u1ebf b\u00e0o lu\u00f4n \u0111\u01b0\u1ee3c \u0111\u1ed5i m\u1edbi. D. N\u01b0\u1edbc cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho t\u1ebf b\u00e0o ho\u1ea1t \u0111\u1ed9ng. C. N\u01b0\u1edbc l\u00e0 th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac c\u1ee7a t\u1ebf b\u00e0o. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: N\u01b0\u1edbc c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a sinh v\u1eadt: \u0111i\u1ec1u h\u00f2a th\u00e2n nhi\u1ec7t, dung m\u00f4i h\u00f2a tan v\u00e0 v\u1eadn chuy\u1ec3n c\u00e1c ch\u1ea5t, nguy\u00ean li\u1ec7u v\u00e0 m\u00f4i tr\u01b0\u1eddng di\u1ec5n ra c\u00e1c ph\u1ea3n \u1ee9ng chuy\u1ec3n h\u00f3a. \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C. 10. Ch\u1ea5t n\u00e0o sau \u0111\u00e2y chi\u1ebfm kh\u1ed1i l\u01b0\u1ee3ng ch\u1ee7 y\u1ebfu c\u1ee7a t\u1ebf b\u00e0o? A. Protein. B. N\u01b0\u1edbc. C. Lipid. D. Carbohydrate. H\u01b0\u1edbng d\u1eabn gi\u1ea3i: Trang 2\/3 N\u01b0\u1edbc chi\u1ebfm t\u1ec9 l\u1ec7 l\u1edbn nh\u1ea5t trong t\u1ebf b\u00e0o (kho\u1ea3ng 70-75%). \u0110\u00e1p \u00e1n c\u1ea7n ch\u1ecdn l\u00e0: C."]