Assertion :Adrenaline is called an emergency hormone. Reason: It acts on the cells of skeletal, cardiac, smooth muscles, blood vessels and fat cells.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
Adrenaline (epinephrine) is a hormone produced by the medulla of the adrenal glands, that increases heart activity, improves the power and prolongs the action of muscles and increases the rate of depth of breathing to prepare the body for 'fright, fight, or flight. It is secreted at the time of emergency. Hence, it is also called emergency hormone.

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