14000+ MCQs Environment & Ecology(Pollution)
Total Questions:- 50
Time:- 30 Minutes
MCQ Pattern
Date:- 02/08/2026
1. ‘Rally for Valley’ programme in India was organised to highlight the problem of
2. Incinerators are used for which of the following?
3. In the year 2011 ‘Oilzapper’ was in the news. What is it?
4. Kessler syndrome is associated with
5. The acidification of oceans is increasing. Why is this phenomenon a cause of concern?
I. The growth and survival of calcareous phytoplankton will be adversely affected.
II. The growth and survival of coral reefs will be adversely affected.
III. The survival of some animals that have phytoplanktonic larvae will be adversely affected.
IV. The cloud seeding and formation of clouds will be adversely affected.
Which of the statements given above is/are correct?
6. Which of the following is the greatest volume of waste discharge into sea water?
8. The combustion of coal, petrol and diesel etc is the basic source of
9. At what level a sound becomes physical pain?
10. What is a particulate matter?
11. Consider the following statements.
I. Nuclear fuel is made from naturally occurring radioactive materials, such as uranium, found in rocks.
II. Nuclear fuel produces 50% less greenhouse gases than any non-renewable source of energy.
Which of the statements given above is/are correct?
12. Which Indian river is called ‘biological desert’?
13. In the acid rain, the rain water and snow is contaminated by which of the following pollutants?
I. Sulphur-Dioxide
II. Nitrogen Oxide
III. Carbon-Dioxide
IV. Methane
14. Which one of the following is not an instrumental device to check air pollution?
15. The Water (Prevention and Control of Pollution) Cess Act was implemented in
16. Which of the following is produced during the formation of photochemical smog?
17. Consider the following statements.
I. Acid rain reacts with buildings made from limestone.
II. Burning of sulphur containing coal can contribute to acid rain.
III. Eutrophication is an effective measure to control pollution.
Which of the statements given above is/are correct?
18. What is negative soil pollution?
19. In India, ‘Extended Producer Responsibility’ was introduced as an important feature in which of the following?
20. Which among the following chronic lung diseases is commonly known as ‘black lung’ disease that leads to reduced life expectancy in coalminers?
21. Eco-mark is given to an Indian product which is
22. The process of vitrification used for disposing radioactive waste refers to which of the following processes?
24. Which one of the following processes takes place in lakes during eutrophication?
25. There is a concern over the increase in harmful algal blooms in the sea-water of India. What could be the causative factors for this phenomenon?
I. Discharge of nutrients from the estuaries.
II. Run-off from the land during the monsoon.
III. Upwelling in the seas.
Select the correct answer using the code below.
26. Which of the following is not a water pollutant?
27. Consider the following statements. The Environment Protection Act, 1986 empowers the Government of India to
I. state the requirement of public participation in the process of environmental protection and the procedure and the manner in which it is sought.
II. lay down the standards for emission or discharge of environmental pollutants from various sources.
Which of the following statements is/are correct?
28. Carbon Monoxide, emitted by vehicles which turn to Carbon Dioxide by the catalyst converter, whose ceramic disc is controlled by?
29. The non-biotic pollutant of underground water is
30. Due to improper/indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste?
I. Beryllium
II. Cadmium
III. Chromium
IV. Heptachlor
V. Mercury
VI. Lead
VII. Plutonium
Select the correct answer using the codes given below.
31. The ‘pond bloom’ of blue-green algae which causes the death of fishes and cattles produces the toxin of
32. At what decibel instantaneous rupture of membrane happens?
33. Which one among the following groups of items contain only biodegradable items?
34. Which one of the following is not related to air pollution?
35. DDT is a major contributor to soil pollution because
36. Which of the following air pollutants get dissolved in the blood more rapidly than oxygen?
37. Which of the following air pollutants is most dangerous?
38. Which among the following pollutants lead to macroscopic pollution?
I. Heavy metals from motor vehicles and acid mine drainage.
II. Ammonia from food processing waste.
III. Silt in runoff from construction sites, logging, slash and burn practices or land clearing sites.
IV. Trash or garbage discarded by the people on the ground.
V. Nurdles
VI. Shipwrecks
Select the correct answer using the codes given below.
39. Which toxic compound is not found in e-waste?
40. Consider the following statements.
I. Agricultural soils release nitrogen oxides into environment.
II. Cattle release ammonia into environment.
III. Poultry industry releases reactive nitrogen compounds into the environment.
Which of the following statements given above is/are correct?
41. Chernobyl accident is related with
42. Which of the following is not destroyed by bacteria?
43. Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
44. In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon foot print?
I. Copper slag
II. Cold mix asphalt technology
III. Geotextiles
IV. Hot mix asphalt technology
V. Portland cement
Select the correct answer using the codes given below.
45. Rain water collected after 30 to 40 minutes of raining is not suitable for drinking because it
46. Which of the following has/have shrunk immensely/dried up in the recent part due to human activities?
I. Aral Sea
II. Black Sea
III. Lake Baikal
Select the correct answer using the code given below.
47. Assertion (A): During winter, air pollution in Delhi reaches to the maximum level. Reason (R): Combustion process in motor vehicles increases during winter.
48. Why is there a great concern about the ‘microbeads’ that are released into environment?
49. Lichens are the best indicator of
50. The Minamata incident, an example for environmental degradation, is due to which one of the following?