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ScienceCLASS 9CBSE
answered 27 Mar 2026

1. What would happen, if all the oxygen present in the environment is converted to ozone? (a) We will be protected more (b) It will become poisonous and kill living forms (c) Ozone is not stable, hence it will be toxic (d) It will help harmful sun radiations to reach earth and damage many life forms.

A.VERIFIED ANSWERfact-checked by tutors

Soln:

Answer is (b) It will become poisonous and kill living forms

Explanation:

Most of the organisms live on earth required oxygen for their living If oxygen convert to ozone living beings will get killed.

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