Question Bank - Environmental chemistry

PG & Research Department of Chemistry Malabar Christian College, Calicut QUESTION BANK (Questions from the previous year question papers) 2016 to 2020 Fifth Semester B.A / B.Sc Degree Examination OPEN COURSE – ENVIRONMENTAL CHEMISTRY Course Code : CHE 5D 01 University of Calicut

QUESTION BANK (Questions from the previous year question papers) 2016 to 2020 Fifth Semester B.A / B.Sc Degree Examination OPEN COURSE – ENVIRONMENTAL CHEMISTRY Course Code : CHE 5D 01 University of Calicut Prepared by the PG & Research Department of Chemistry Malabar Christian College, Calicut

SECTION A (Each question carries one mark) 2020 1. Name the uppermost layer of atmosphere. 2. Name any one air-borne disease. 3. COD stands for………………….. 4. Name one greenhouse gas. 5. Name one air pollution control measure. 6. ………………..causes depletion of ozone layer. 7. Name a hydrocarbon pollutant ? 8. Name the metal responsible for Minamata disaster. 9. Define smog. 10. Name an alternate refrigerant. 2019 11. Define environment and ecosystem. 12. Name any three air borne disease. 13. Define BOD. 14. Name some ionizing radiations. 15. What is photochemical smog? 16. Name two green house gases. 17. Give an example each of persistent and non-persistent pollutants.

18. Name any two drugs used in treatment of Tuberculosis. 19. Dissolved oxygen is expressed as 20. What is Biological magnification ? 2018 21. Name a green house gas. 22. Name an air pollutant. 23. Name a water pollutant. 24. Name an environmental movement. 25. Name a non-persistent pollutanat. 26. Name an environmental imbalance caused by deforestation. 27. Mention one method to remove temporary hardness of water. 28. Name a major pollutant in automobile exhaust. 29. The cause London smog in 1952 was mainly due to the use of …………………….. 30. Name a secondary pollutant. 2017 31. Name an Environmental Segment. 32. The lowest layer of Atmosphere is : 33. Name an Automobile Pollutant. 34. Name a Toxic Metal in Water. 35. Name a Persistent Pollutant.

36. How does uncontrolled use of Fertilizers effect the Soil Fertility ? 37. Mention one method to remove temporary hardness of Water. 38. Name the Radiation responsible for green house effect. 39. Name a Primary Pollutant. 40. The cause London Smog in 1952 was mainly due to the use of………………….. 2016 41. Name the uppermost layer of atmosphere. 42. Name a water quality parameter. 43. Name a CFC pollutant. 44. Name the metal responsible for Minamata disaster. 45. Name an alternative refrigerant. 46. Name an environmental imbalance caused by deforestation. 47. How does uncontrolled use of fertilizers effect the soil fertility ? 48. Name a major pollutant in automobile exhaust. 49. Name the radiation responsible for Green house effect. 50. Name the chemical involved in Bhopal tragedy.

SECTION B (Each question carries Two marks) 2020 51. What is meant by biological magnification ? 52. What is meant by acid rain ? 53. Differentiate between degradable and non-degradable waste. 54. What is meant by noise pollution. 55. Mention the segments of environment. 56. Mention the cause and drugs used for the treatment of chickenpox. 57. How are pollutants classified? 2019 58. Write short note on Chlorofluoro carbons. 59. What is Eutrophication ? 60. Describe thermal pollution. 61. Write short note on Minamata disaster. 62. Discuss briefly alternate refrigerants. 63. How does lead pollution occur? What are the toxic effects of lead ? 64. Write short note on cottrell electro-static precipitator. 2018 65. What is acid rain ? 66. Write a note on hydrological cycle. 67. What is DO? Mention its significance a water pollution.

68. What is meant by eutrophication? 69. Name two methods for soil waste management 70. What are the environmental segments? 71. What is meant by hydrological cycle? 2017 72. Write a note on Hydrological Cycle. 73. What are the Environmental Segments ? 74. What is BOD ? Mention its significance. 75. What is meant by Bio- accumulation. 76. What is meant by Green chemistry? 77. What is meant by Hydrological cycle ? 78. What is Photochemical Smog ? 2016 79. What is acid rain ? 80. How are pollutants classified ? 81. What is COD ? Mention its significance. 82. What is meant by thermal pollution ? 83. What is meant by E-waste? Give example. 84. What is Smog ? 85. What are the environmental segments ?

SECTION C (Each question carries Five marks) 2020 86. Write a note on water quality parameters. 87. Explain radioactive pollution with reference to their source, effects and control measure. 88. Write a note on water borne diseases. 2019 89. What are the symptoms or Cholera and Typhoid ? 90. Discuss briefly sources and effects of E-waste. 91. Write a short note on USAB process. 2018 92. Write a note on noise pollution. 93. Write a note on endosulfan disaster in Kerala. 94. Write a note on the Chipko movement. 2017 95. Write a note on Greenhouse effect. 96. Write a note on air pollution. 97. Write a note on the Narmada movement. 2016 98. Write a note on radiation pollution. 99. Write a note on the silent valley movement. 100. Write a note on endosulfan disaster in Kerala.

SECTION D (Each question carries Ten marks) 2020 101. a) Write a note on air pollution control measures. (b) Explain in detail about hydrological eyele. 102. (a) Write a note on depletion of ozone layer. (b) Write a note on soil pollution 2019 103. (a) Discuss water treatment methods. (b) What are the control measures to check air pollution ? 104. (a) What are the adverse effects of radiation ? Discuss the control measures. (b) Explain in detail the major water pollutants. 2018 105. a) Write a note on the source, effects and control of house hold waste. b) Explain the terms pollutant, contaminant, receptor and sink. 106. a) Discuss Radioactive Pollution with reference to sources, effects and control measures. b) Discuss the major environmental movements in India.

2017 107. a) Discuss Radioactive Pollution with reference to sources, effects and control measures. b) Write a note on Water treatment methods. 108. a) Write a note on Soil Pollution. b) Write a note on Water Born Diseases. 2016 109. a) Discuss Radioactive Pollution with reference to sources, effects and control measures. b) Write a note on Water treatment methods. 110. a) Write a note on Soil Pollution. b) Write a note on Water Born Diseases.