NEET Zoology Endocrine Glands Assertion Reason Question
Assertion (A): The thyroid gland is responsible for increasing the basal metabolic rate in the body. | Reason (R): Thyroid hormones are involved in the regulation of sleep-wake cycles through melatonin secretion.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Correct Answer
Detailed Explanation
The thyroid gland increases the basal metabolic rate through its hormones, but melatonin, which regulates sleep-wake cycles, is secreted by the pineal gland, not the thyroid gland.
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