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Assertion Caffeine is a stimulant. Res...

Assertion Caffeine is a stimulant.
Resion Barbiturate is a depressant.

A

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

B

Both Assertion and Reason are treu, but Reason is not the correct explanation orf 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
Stimulants increase alertness and activity and may produce excitement, e.g. caffeine, cocaine, etc. whereas depreessants depress brain activity and produce of feeling of calmness.
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Asseration : Caffeine is CNS stimulant. Reason : Excessive use of caffeine adversely affects the brain.