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Question
Assertion (A): Tobacco contains a large number of chemicals including nicotine.
Reason (R): Nicotine stimulates adrenal gland which decreases blood pressure and heart rate.
Options
Both assertion (A) and reason (R) are true, and reason is the correct explanation of assertion.
Both assertion (A) and reason (R) are true, but reason is not the correct explanation of assertion.
Assertion (A) is true but reason (R) is false.
Both assertion (A) and reason (R) are false.
MCQ
Assertion and Reasoning
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Solution
Assertion (A) is true but reason (R) is false.
Explanation:
Tobacco contains nicotine and many other chemicals. Nicotine stimulates the adrenal gland and constricts blood vessels, raising blood pressure and heart rate rather than decreasing them.
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