The zone of atmosphere in which the ozone layer is present is called:
Correct answer: C. Stratosphere
- A. Ionosphere
- B. Mesosphere
- C. Stratosphere
- D. Troposphere
Explanation
Ozone layer or shield is present in stratosphere. It functions as a shield against strong UV radiations coming from sun. UV radiations are very harmful and may cause mutations in living organisms. Thinning of ozone layer increases the amount of UV radiations reaching the earth. It would increase occurrence of cataract, skin cancers, dimming of eyesight, photoburning, deficient functioning of immune system, etc.
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