Chemical Coordination and Regulation Question 6

6. GnRH, a hypothalamic hormone, needed in reproduction, acts on:

[2017]

(a) anterior pituitary gland and stimulates secretion of LH and FSH.

(b) posterior pituitary gland and stimulates secretion of oxytocin and FSH.

(c) posterior pituitary gland and stimulates secretion of $LH$ and relaxin.

(d) anterior pituitary gland and stimulates secretion of LH and oxytocin.

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Answer : a

Hints & Solutions

(a) GnRH is secreted by hypothalamus which stimulates anterior pituitary gland for the secretion of gonadotropins (FSH and LH).