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MCQ Pollution of Air and Water Chapter 18 Class 8 Science

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MCQ’s For All Chapters – Science Class 8th

1. Which gas is the major pollutant of air?

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Question 1 of 20

2. The increase in concentration of which gas is not responsible for Global Warming?

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Question 2 of 20

3. In which year Ganga Action Plan was launched?

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Question 3 of 20

4. What radiations are absorbed by CO2?

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Question 4 of 20

5. Which element is present in the exhaust of automobiles?

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Question 5 of 20

6. The phenomenon of marble cancer is due to

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Question 6 of 20

7. The solid or liquid particles dispersed in the air are called

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Question 7 of 20

8. The type of pollution which is likely to affect Taj Mahal in Agra to a greater extent is

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Question 8 of 20

9. The major causes of air pollution include

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Question 9 of 20

10. Bhopal tragedy was caused due to

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Question 10 of 20

11. Which of the following contents is most harmful to aquatic animals?

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Question 11 of 20

12. Water containing high salt concentration can be purified by

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Question 12 of 20

13. Which of the following is a non-biodegradable pollutant?

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Question 13 of 20

14. Which of the following is major source of water pollution?

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Question 14 of 20

15. Which of the following techniques of irrigation should be used to save water?

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Question 15 of 20

16. Carbon monoxide in vehicle exhaust causes

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Question 16 of 20

17. Smog =

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Question 17 of 20

18. The gas used in refrigerating appliance causing serious damage to ozone is

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Question 18 of 20

19. Acid rain mainly contains

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Question 19 of 20

20. Marble cancer is caused by

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Question 20 of 20

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