NEET UG BIOLOGY MCQ: HUMAN HEALTH AND DISEASES

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[A]: In low degree smoking is helpful.
[R]: In low doses, nicotine stimulates conduction of nerves impulses & relaxes the muscles.

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Correct option: A

Both A and R are true and R is the correct explanation of A

Option A is correct because nicotine in low doses can stimulate nerve impulse conduction and muscle relaxation, which can be perceived as helpful in some contexts.

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