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Environment Previously Asked Questions: Ozone Layer
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Environment Previously Asked Questions: Ozone Layer
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25 Questions

1. Ozone hole is caused by
2. Why is ozone layer useful to humanity?
3. Consider the following.
1. Rice fields
2. Coal mining
3. Domestic animals
4. Wetlands Which of the above is a source of methane, a major greenhouse gas?
4. The radiation that is absorbed by ozone present in the atmosphere is
5. Ozone protects biosphere from
6. Ozone layer in atmosphere
7. In stratosphere, the level of ozone is naturally regulated by
8. Which of the following is not true about chlorofluoro carbon?
9. Ozone layer is above the earth crust around
10. Which one of the following is associated with the issue of control and phasing out of the use of ozonedepleting substances?
11. Which of the following substances is/are ozone depleting?
1. Chlorofluoro carbons
2. Halans
3. Carbon tetrachloride Select the correct answer from the codes given below. Code
12. Formation of ozone hole is maximum over
13. The formation of the ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole?
14. Which of the following is not correctly matched?
15. Which one of the following gases is responsible for the decrement in the ozone layer?
16. Given below are two statements. Assertion (A): Climate change is leading to increase in social tension in India. Reason (R): The frequency and intensity of the extreme weather events will have serious repercussions on food security. Choose the correct answer from the code given below. Code
17. Who among the following had discovered 'ozone halo' over Tibetan Plateau in 2005?
18. Which is responsible for Ozone Hole?
19. Place where ozone layer is primly found is
20. Harmful ultraviolet radiation coming from the sun can cause
21. World Ozone day is celebrated on
22. Which gas is filled in refrigerators?
23. Montreal Protocol is related to
24. Which one of the following teams of scientists first discovered 'ozone hole' over Antarctica?
25. Which is the lowest layer of the atmosphere?