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Assertion Increase in ozone concentratio...

Assertion Increase in ozone concentration near the earth's surface reduces cropy yields.
Reason Increase in ozone concentration in stratosphere protects us.

A

Both Assertion and Reason are true, but Reason is the correct explanation of Assertion

B

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion

C

Assertion is true, but Reason is false

D

Assertion is false, but Reason is true

Text Solution

Verified by Experts

The correct Answer is:
B
An increases in the concentration of ozone near earth's surface reduces crop yields because it enters in the plants through the stomata and produces visible damage to the leaves and other parts. It may decrease yield and quality to the leaves and other parts. It may decrease yield and quality of crop production, while higher concentration of `O_(3)` in stratosphere protects us from the harmful UV rays, coming from the sun.
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