1. State the agenda of the environment (protection) act of 1986.
2. How can the pollutants released from smokestacks of thermal power plants, smelters and other industries be separated and filtered out before released into the atmosphere?
3. Explain the functioning of electrostatic precipitator.
4. Diagrammatically represent a scrubber.
5. According to the CPCB what is the size of particulate matter that are responsible for causing greater harm to the human health?
6. What are catalytic converters? How is it useful for curbing the air pollutants?
7. Why is it important to use unleaded petrol in motor vehicles fitted with catalytic converters?
8. Why was air (prevention and control of pollution) act that came into force in 1981 amended in the year1987?
9. At what level of noise, the eardrum of human be damaged?
10. What are the symptoms exhibited by a person exposed to extended noise pollution?
11. How can noise pollution be controlled or regulated?
12. What are the benefits of CNG over diesel?
13. Why did the Delhi government switch over the entire fleet of public transport from diesel to CNG?
14. What are limitations of switching over to CNG form diesel?
15. What are the permitted levels of Sulphur and aromatic content in the petrol and diesel fuels according to the Euro III norms?
16. When was the water (prevention and control of pollution) act placed in effect by the government of India and why?
17. Explain the composition of waste water.
18. What is the component of waste water that is most difficult to remove to make it clean?
19. What is BOD?
20. Who does the BOD get affected when sewage is discharged into the river?
21. What is algal bloom? Why does it occur?
22. Why is Eichhornia known as the “Terror of Bengal”?
23. Define biological magnification. Explain the concept with the example of an aquatic food chain.
24. How does high concentration of DDT in fish eating birds responsible for the decline in their population?
25. What is eutrophication? Explain in details. How is it different from cultural eutrophication?
26. What will happen if the thermal waste water is released into water body? Will it be considered as a pollutant?
27. Explain the integrated waste water treatment within a natural system created by the town of Arcata.
28. What is FOAM?
29. State the unique features of EcoSan toilets.
30. How are sanitary landfills better than open dumps?
31. What are the ill effects of using sanitary landfills?
32. State the roles of kawadiwalas and rag pickers in solving the problem of solid wastes.
33. What are the benefits of segregating solid wastes at source into biodegradable, recyclable and non-biodegradable solid wastes?
34. Why is the e-waste more problematic for the developing countries than the developed countries?
35. What is the solution for the treatment of the solid wastes?
36. What role did Ahmed Khan play in controlling the ever-increasing problem of plastics in Bangalore?
37. What benefits does the polyblend mixed with bitumen provide when used for laying roads?
38. Explain in details the integrated organic farming used by Ramesh Chandra Dagar from Sonipat.
39. What do you understand by radioactive waste? How can we safely dispose it?
40. What is greenhouse effect?
41. What will happen to the earth’s average surface temperature if there is no greenhouse effect?
42. What is El Nino effect?
43. List all the greenhouse gases.
44. What will be the consequences of an accelerated global warming? Can it be prevented? If yes, how?
45. What is good ozone?
46. How can you represent the thickness of ozone?
47. How does CFC degrade the ozone layer? Is it permanent or can it be reversed?
48. How is ozone hole a matter of concern for the life form on earth?
49. What was the outcome of Montreal Protocol that was signed in 1987?
50. How can soil erosion lead to deforestation?
51. How does an extended water logging impact the quality of soil? Explain in detail.
52. What is Jhum cultivation? What impact does it have on environment?
53. Differentiate between reforestation and afforestation.
54. Why did the government of India instituted the Amrita Devi Bishnoi National Wildlife award? To whom is the award presented to?
55. Why is the Chipko movement acclaimed by people all over the world?
56. How and why is the government involving local communities for protection of forests?
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