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Question

Pineal gland of human brain secretes melatonin, which is concerned with

A
Anger
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B
Body temperature
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C
Colouration of skin
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D
Sleep
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Solution

The correct option is C Sleep
Melatonin secretes from the pineal gland present in the anterior pituitary gland. Melatonin helps in regulating the sleep-wake cycle
Thus, the correct answer is (C).

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