SSC Ecology and Environment Set- 6
Total Questions:- 50
Time:- 30 Minutes
TCS Pattern MCQs
Date:- 12/09/2026
1. The least preferred technique in the disposal of Municipal Solid Waste is :
2. Which of the following is the process of the natural aging of a lake by biological enrichment of its water?
3. Fine solid particles or liquid droplets suspended in air are called ………
4. Sullage Water is------------
5. Substances considered to be biodegradable:
6. Which words combine to form 'smog', a form of air pollution?
7. Which of the following gases emitted from automobile exhaust is poisonous?
8. Which is used as an Air pollution indicator?
9. Why Taj Mahal is suffering from “Marble Cancer”?
10. During which of the following operating conditions of an automobile, carbon monoxide content in exhaust gas is maximum?
11. Arsenic problem in India is primarily due to
12. Which among the following is a non-biodegradable waste?
14. Biodegradable wastes can usually be converted into useful substance with the help of-
15. Acid rain is caused due to pollution of atmosphere by
16. Spraying of DDT on crops causes pollution of……….
17. The accumulation of non-degradable chemicals progressively at each trophic level is called.....
18. Which of the following produces the most solid waste?
19. Which of the following is used as a bioindicator of air pollution?
20. While testing pollution in water a high coliform count indicates high levels of .............
21. The most serious air pollutant causing health hazard is
22. Automobile exhaust leads to a poisonous pollutant
24. Which of the following is the treatment of water pollution?
25. With respect to humans, why is carbon monoxide a pollutant?
26. Bio-magnification is well established for which of the following pollutants?
27. Which of the following is responsible for turning Taj Mahal yellow?
28. Which of the following fuels causes minimum environmental pollution?
29. Which type of water plants scientifically named as Eichhornia crassipes, have become the world's most problematic aquatic weed?
30. Sulphur dioxide pollution is indicated by an excessive growth of which of the following?
31. Which of the following is NOT a particulate pollutant?
32. The largest source of pollution in the world is
33. Why is Carbon Monoxide a pollutant?
34. Which of the following gases is produced due to incomplete combustion of fuel?
35. Which one of the following weeds is effective in controlling water pollution caused by industrial effluents?
36. What purpose does the ultravoilet (UV) treatment of water serve?
37. The Great Smog of 1952 was a severe air-pollution event which affected………
38. Which among the following helps in monitoring air pollution?
39. What is the pH of rain water during acid rain?
40. Iron and Manganese present as pollutants in water cannot be removed by ............
41. ...........percent of Delhites are suffering from Asthma and Rhinitis.
42. What is a good way to measure the population density of fishes found in lakes?
43. Which of the following is the best solution to get rid of non-biodegradable wastes?
44. Which of the following is also known as a common water Hyacinth?
45. Excessive richness of nutrients in a lake or other body of water is called……….
46. Which of the following is usually not an air–pollutant?
47. Oil spills is seen in which ecosystem?
49. ..........is a byproduct of sewage treatment and can be decomposed to produce bio-gas
50. The waste management technique that involves the use of micro-organisms to remove or neutralize pollutants from contaminated site is called
