Ozone layer depletion - class-XI

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Question 1 of 109

Read the following statements and select the correct option.

Statement 1: Ozone layer present in the stratosphere protects the living organisms from harmful UV rays coming from the sun by absorbing nearly all of them.

Statement 2: Ozone formed in the troposphere by photochemical reactions as a result of human activities which is harmful to all living organisms.

Select Your Answer:

Both statements 1 and 2 are correct.

Statement 1 is correct but statement 2 is incorrect.

Statement 1 is incorrect but statement 2 is correct.

Both statements 1 and 2 are incorrect.

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