Q.

Which of the following statements about ozone is correct?

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a

Tropospheric ozone protects us from UV radiations.

b

Stratospheric ozone protects us from UV radiations.

c

Tropospheric ozone is 'good'

d

Stratospheric ozone is 'bad'

answer is D.

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Detailed Solution

Bad ozone, formed in troposphere harms plants and animals. Good ozone is found in the stratosphere, and it acts as a shield absorbing ultraviolet radiation from the sun. 

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