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Air Pollution Practice Questions

Air pollution practice questions are important for UPSC, APPSC, TGPSC and State PSC exams. These questions cover greenhouse gases, particulate matter, smog, air quality index, pollution sources and pollution control measures for quick revision.

1. Air pollution is defined as?

 
 
 
 

2. Which pollutant is primary component of photochemical smog?

 
 
 
 

3. PM2.5 refers to particles with diameter?

 
 
 
 

4. Main source of PM2.5 in Indian cities?

 
 
 
 

5. Which gas causes acid rain?

 
 
 
 

6. Bhopal gas tragedy involved release of?

 
 
 
 

7. WHO guideline for annual PM2.5 (2021)?

 
 
 
 

8. India’s National Ambient Air Quality Standards for PM2.5 annual?

 
 
 
 

9. Which Indian city often ranks most polluted for PM2.5?

 
 
 
 

10. Stubble burning contributes to air pollution mainly in?

 
 
 
 

11. Indoor air pollution in rural India mainly from?

 
 
 
 

12. Carbon monoxide binds to?

 
 
 
 

13. Lead in air historically came from?

 
 
 
 

14. Ozone layer depletion is caused by?

 
 
 
 

15. Montreal Protocol addresses?

 
 
 
 

16. Which pollutant causes Taj Mahal yellowing?

 
 
 
 

17. National Clean Air Programme (NCAP) target?

 
 
 
 

18. Air Quality Index (AQI) in India has how many categories?

 
 
 
 

19. Which gas is responsible for London smog 1952?

 
 
 
 

20. Photochemical smog is common in?

 
 
 
 

21. Main precursor of ground-level ozone?

 
 
 
 

22. Which fuel is cleanest for vehicles regarding PM?

 
 
 
 

23. BS-VI norms in India were implemented in?

 
 
 
 

24. Indoor PM2.5 safe limit as per WHO?

 
 
 
 

25. Which disease is most linked to long-term PM2.5?

 
 
 
 

26. Crop burning emits?

 
 
 
 

27. Black carbon contributes to?

 
 
 
 

28. Which Indian ministry implements NCAP?

 
 
 
 

29. Odd-Even scheme was tried in which city?

 
 
 
 

30. Smog towers work by?

 
 
 
 

31. Which pollutant is measured as AQI lead indicator in Delhi winter?

 
 
 
 

32. Thermal power plants emit mainly?

 
 
 
 

33. Flue Gas Desulfurization (FGD) removes?

 
 
 
 

34. Catalytic converters reduce?

 
 
 
 

35. Which is secondary pollutant?

 
 
 
 

36. Primary pollutant example?

 
 
 
 

37. Air pollution causes acid rain pH below?

 
 
 
 

38. Which Indian act controls air pollution?

 
 
 
 

39. Central Pollution Control Board established under?

 
 
 
 

40. WHO estimates annual deaths globally from air pollution?

 
 
 
 

41. Indoor air pollution causes?

 
 
 
 

42. Pradhan Mantri Ujjwala Yojana aims to reduce?

 
 
 
 

43. Which season has worst air in Delhi?

 
 
 
 

44. Temperature inversion traps?

 
 
 
 

45. Which gas is colorless, odorless, deadly indoors?

 
 
 
 

46. Compressed Natural Gas (CNG) reduces?

 
 
 
 

47. Dust storms increase which pollutant?

 
 
 
 

48. Air pollution affects visibility via?

 
 
 
 

49. Graded Response Action Plan (GRAP) is for?

 
 
 
 

50. Long-term solution to air pollution is?

 
 
 
 


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Air Pollution Practice Questions

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