Home
Class 12
CHEMISTRY
Assertion (A) : Presently, the global at...

Assertion (A) : Presently, the global atmosphere is warming up.
Reason (R): The depletion of stratospheric ozone layer has resulted in increase in ultraviolet radiations reaching the Earth.

A

Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion

B

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

C

Assertion is correct but Reason is incorrect

D

Both Assertion and Reason are incorrect

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Atmospheric ozone layer which protects us from ultraviolet rays is getting depleted mostly by:

Assertion (A) : Ozone is destroyed by solar radiation in upper streatosphere. Reason (R) : Thinning of the ozone layer allows excessive UV radiations to reach the surface of earth.

[A] : Depletion of ozone layer results in human disease like cancer . [R] : Ozone layer absorbs UV radiations .

Which one of the following gases present in the upper atmosphere cuts off a major portion of ultraviolet radiation of the sun from reaching the earth?

Assertion: Higher concentration of CO_(2) in atmosphere is causing global warming. Reason: Excessive CO_(2) depletes ozone layer.

Assertion : Extensive use of CFCs increases the chances of skin cancer. Reason : CFCs deplete the ozone layer in stratosphere.