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Assertion : Tobacco contains a large num...

Assertion : Tobacco contains a large number of alkaloids including nicotine.
Reason : Nicotine stimulates adrenal glands which decrease blood pressure and increase heart rate.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertin is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Tobacco contains a large number of chemical substances including nicotine, an alkaloid. Nicotine stimulates adrenal gland to release adrenaline and nor- adrenaline into blood, both of which raise blood pressure and increase heart rate.
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