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Environmental Pollution MCQ Questions

Environmental pollution MCQ questions can help students evaluate their knowledge of concepts in world pollution. MCQ on environmental pollution answers are also given to help you remember. Try our environmental pollution MCQ questions to see if you can get all the answers right for the questions below.

Environmental Pollution MCQ Questions

Global pollution is defined as the contamination of the environment and its surroundings, such as air, water, and soil, caused by the discharge of all pollution and harmful substances.

MCQ on environmental pollution

1. Ultraviolet rays of the sunlight results in formation of

  1. Carbon monoxide
  2. Sulphur Dioxide
  3. Ozone
  4. Fluorides

2. Which of the following will not cause any atmospheric pollution?

  1. Hydrogen
  2. Sulphur Dioxide
  3. Carbon dioxide
  4. Carbon monoxide

3. Today, concentration of greenhouse gases is high because of

  1. Use of Refrigerator
  2. Increased Combustion of Oil And Coal
  3. Deforestation
  4. All of The Above

4. 5th June is observed as

  1. World Forest Day
  2. World Environment Day
  3. World Wildlife Day
  4. World Population Day

5. BOD stands for

  1. Biotic Oxidation Demand
  2. Biological Oxidation Demand
  3. Biological Oxygen Demand
  4. Biochemical Oxygen Demand

6. Which of the following is the major cause of pollution?

  1. Plants
  2. Man
  3. Fungi
  4. Hydrocarbon Gases

7. Highest percentage of air consists of

  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Argon

8. Air pollution causes

  1. Global warming
  2. Respiratory problems
  3. Soil erosion
  4. None of these

9. Most important causative pollutant of soil maybe

  1. Plastics
  2. Iron Junks
  3. Detergents
  4. Glass Junks

10. Which is a fungicide?

  1.  2,4-D
  2. DDT
  3. Bordeaux mixture
  4. BHC

11. Which of the following is not produced as exhaust of vehicles?

  1. Sulphur dioxide
  2. Carbon dioxide
  3. Carbon monoxide
  4. Fly ash

12. Smog is

  1. Smoke
  2. Other name for dust storm
  3. Moistened air gases
  4.  Smoke and fog

13. The most dangerous metal pollutant of automobile exhaust is

  1. Cadmium
  2. Silver
  3. Lead
  4. Manganese

14. Which one of the following is a greenhouse gas?

  1. Carbon dioxide
  2. Carbon monoxide
  3. Ozone
  4. Oxygen

15. Smog produces

  1. O3
  2. NO2
  3. CH4
  4. Aluminium Ion


1. Ozone

2. Hydrogen

3. All of the above

4. World Environment Day

5. Biological Oxygen Demand

6. Hydrocarbon Gases

7. Nitrogen

8. Respiratory problems

9. Plastics

10. Bordeaux mixture

11. Carbon monoxide

12. Moistened air gases

13. Lead

14. Carbon dioxide

15. Aluminium Ion

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