NEET Biology question

Identify the hormone with its correct matching of source and function. [AIPMT 2014]

(A)Oxytocin – posterior pituitary; growth and maintenance of mammary glands
(B)Melatonin – pineal gland; regulates the normal rhythm of the sleep-wake cycleCorrect
(C)Progesterone – corpus luteum; stimulation of growth and activities of female secondary sex organs
(D)Atrial natriuretic factor – ventricular wall; increases the blood pressure

Answer: (B)

Solution

Oxytocin's function is milk ejection and uterine contraction, not growth/maintenance of mammary glands (that is prolactin's role), progesterone chiefly prepares/maintains the endometrium rather than developing secondary sexual characters (estrogen's role), and ANF is secreted by

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Question ID VK-129047