Question 6 - Assertion Reasoning questions (MCQ) - Chapter 15 Class 10 - Our Environment

Assertion (A): Ozone is both beneficial and damaging.

Reason (R): Stop the release of chlorofluorocarbons to protect the ozone.

Answer:

Ozone is damaging as it is a deadly  poison . It is beneficial as it shields the surface of the earth from UV radiations of the Sun.

Chlorofluorocarbons are responsible for destroying ozone. Its release should be prevented to protect ozone.

Thus,

• Assertion is true.
• Reason is true.
• Reason is not the correct explanation for assertion.

So, the correct answer is (b).