Environmental Issues Class 12 MCQs Questions with Answers

1. Acid Rain comes under which type of pollution?

2. Act formulated in 1996 was:

3. The Chipko movement was launched for protection of_________

4. Natural air pollutant are:

5. The agents that bring undesirable changes in the environment arc called

6.  In an area where DDT had been used extensively, the bird population declined significantly due to_________

7. Rain is called acid rain, its pH is below:

8. Nutrient enrichment of water bodies causes:

9. Which metal inactivates a catalytic converter?

10. Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of_________

11. The dB is a standard abbreviation used for the quantitative expression of:

12. BOD in river water_________

13. Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with:

14. DDT can cause

15. Global warming can be controlled by__________

16.  A river with inflow of domestic sewage rich in organic waste may result__________

17. The greenhouse gases are

18. Presence of large amount of nutrients in water cause excessive growth of

19. Common indicator organism of water pollution is:

20. The powder of recycled modified plastic is called