NEET 2017 · BiologyPrevious Year Question

GnRH, a hypothalamic hormone, needed in reproduction, acts on (NEET 2017)

Answer: (B) Anterior pituitary gland and stimulates secretion of LH and FSH. Answer: (B) Anterior pituitary gland and stimulates secretion of LH and FSH Solution: GnRH is a hypothalamic hormone that acts on the anterior pituitary gland and stimulates the secretion of the two gonadotropins, luteinising hormone (LH) and follicle stimulating hormone (FSH).

A.Anterior pituitary gland and stimulates secretion of LH and oxytocin
B.Anterior pituitary gland and stimulates secretion of LH and FSH✓
C.Posterior pituitary gland and stimulates secretion of oxytocin and FSH
D.Posterior pituitary gland and stimulates secretion of LH and relaxin

Correct Answer

(B) Anterior pituitary gland and stimulates secretion of LH and FSH

Solution & Explanation

Answer: (B) Anterior pituitary gland and stimulates secretion of LH and FSH Solution: GnRH is a hypothalamic hormone that acts on the anterior pituitary gland and stimulates the secretion of the two gonadotropins, luteinising hormone (LH) and follicle stimulating hormone (FSH). Options citing the posterior pituitary or oxytocin/relaxin are incorrect. NCERT Reference: Ch 2, p.31, line 44 — "acts at the anterior pituitary gland and stimulates secretion of two"

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