9110207_COMPASS_SA1_QP_2Part_G03_SCIENCE_BEG_A_50_AY1920_AK

Grade: 3 Time: 150 Minutes Subject: Science Marks: 50 Teacher's Copy Section - A Multiple Choice Questions 5M [ D ] __ /1M Choose the correct answer: [ A ] __ /1M [ D ] __ /1M 1. Which of the following parts fixes a plant into the soil? (A) stem (B) trunk (C) stalk (D) root 2. Which of the following is a feature of living things? (A) They grow. (B) They do not need food. (C) They cannot move. (D) They do not need air to live. 3. Identify the picture which shows a living thing. (A) (B) (C) (D) 4. Who am I? [ D ] __ /1M [ D ] __ /1M A seed turns into me when it gets right conditions and then, grows into an adult plant. (A) trunk (B) stem (C) petal (D) sapling 5. Identify the bird shown in the given picture. (A) parrot (B) tailor bird (C) penguin (D) woodpecker

Section – B Very Short Answer Questions 19 M Answer the following questions in a word or a sentence: __ /1M 6. Write the name of the body part that a bird uses to eat. __ /1M A. beak __ /1M __ /1M 7. Give an example of a natural non-living thing. A. Learner’s response (Hint: water, air, stone, soil and so on) 8. What do flowers develop from? A. buds 9. Write the name of a fruit that does not have any seeds. A. Learner’s response (Hint: banana, pineapple, etc.) Fill in the blanks: __ /1M 10. The flat green surface of a leaf is called the leaf blade. 11. The certain age up to which a living thing can stay alive is called lifespan. __ /1M 12. Bird baths are shallow containers that contain water. __ /1M 13. The trunk is the hard woody stem of a tree. __ /1M Write True or False: __ /1M 14. All the flowers have the same type of fragrance. __ /1M A. False __ /1M 15. Polluted air causes trouble in breathing. A. True 16. Cuckoos lay their eggs in the nests of other birds. A. True Name the following: __ /1M 17. The organs through which fish breathe __ /1M A. gills __ /1M __ /1M 18. The special body part that a butterfly uses to feel A. antennae 19. The plant that closes its leaves when it is touched A. touch-me-not plant 20. The insects that live in our hair and cause itching A. head lice Match the following: 21. Write the correct letters in the brackets to match the organs with their descriptions. __ /2M 1. Nose [ c ] a. protected by the rib cage and help in breathing 2. Windpipe [ d ] b. separates the lungs from the stomach 3. Lungs [ a ] c. has a pair of nostrils 4. Diaphragm [ b ] d. connects the throat to the lungs

22. Write the correct letters in the brackets to match the different stages of a honeybee's lifecycle to its pictures. __/2M 1. [ d ] a. the larva of a honeybee 2. [ c ] b. an adult honeybee 3. [ a ] c. the pupa of a honeybee 4. [ b ] d. an egg of a honeybee

Section - C Short Answer Questions 8M Answer the following questions in two to three sentences: 23. Write two differences between the kidneys and the stomach based on their shape and function. __ /2M A. 24. Define ‘germination’. __ /2M A. The process by which a seed grows into a new plant is called germination. __ /2M __ /2M Give reasons: 25. The feet of birds are useful to them. A. The feet of birds are useful to them because birds use their feet for climbing, protecting themselves, holding food, swimming and so on. 26. We should not put a butterfly in a closed plastic bag to observe how it flies. A. The butterfly’s wings may get damaged, and it may die because no air can enter the closed plastic bag.

Section - D Graphic Organiser 2M __ /2M 27. Complete the following tree diagram. A. Section - E Long Answer Questions 8M Answer the following questions in four to five sentences: Answer any ONE of the following questions 28. Describe the structure of a seed. __ /4M A. Inside a seed, there is an embryo and the food stored for the plant. The embryo is a tiny plant. The seed has a seed coat on the outside. The seed coat protects the seed from injury and drying out. (OR) 29. Why do birds build nests? What do they use to build nests? __ /4M A. Birds build nests to lay eggs, feed their young ones and keep any type of harm away. They use grass, twigs, leaves, thread, straw, mud and feathers to build nests. Answer any ONE of the following questions 30. Rita is scared of mosquitoes since she has studied about their harmful __ /4M effects. How can she prevent mosquito bites? A. Rita should not allow water to stagnate in the surroundings. She should wear full-sleeved clothes, use mosquito nets or repellent creams and so on. (OR)

31. Alex wants to practise deep breathing. Explain the steps he should __ /4M follow to do it correctly. 8M A. 1) Sit down comfortably on a mat. __ /4M 2) Slowly, breathe in through your nose till your belly swells up. 3) Hold your breath for a second or two. 4) Slowly, breathe out through your nose till your belly goes in. Section - F Diagram Based Questions 32. Label the organs in the given picture. A. __ /4M 33. Draw a leaf and label any two parts of it. A.

Section - G Surprise Question 5M Try this! 34. Based on the clues given, identify the bird each person may get to see in their neighbourhood. Tick the correct boxes in the given table to match them to the birds. a) Denzil has a lot of flowering plants in his garden. b) Shabana has many fruit trees in her backyard. c) At shyam’s village, a lot of animals die every year due to extreme heat and lack of water. d) Narayan’s neighbourhood has many small water bodies. e) Guru often sees snakes in the open fields near his home. __ /5M Eagle Duck Vulture Sunbird Parrot Denzil Shabana Shyam Narayan Guru A. Denzil Eagle Duck Vulture Sunbird Parrot Shabana Shyam ✓ ✓ ✓ ✓ Narayan Guru ✓