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(i) State the cause of depletion of ozone layer. (ii) Specify
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(i) State the cause of depletion of ozone layer.
(ii) Specify any two ill–effects that it can cause in the human body.

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Oswaal CBSE Question Bank Class 12 Biology Chapterwise and Topicwise (Oswaal)

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(i) State the cause of depletion of ozone layer.
(ii) Specify any two ill–effects that it can cause in the human body.
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(i) The main cause of depletion of ozone layer is the increase in ozone degradation by chlorofluoro carbons (CFCs)
(ii) Its effects on human body are :
(a) It allows/UV B radiation to enter the atmosphere.
(b) Causes inflammation of cornea (snow blindness) cataract. etc.
(c) Causes ageing of skin, damage the skin cell and may even cause cancer.
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Question Text
(i) State the cause of depletion of ozone layer.
(ii) Specify any two ill–effects that it can cause in the human body.
TopicEnvironmental Issues
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes94