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NEET 2016 Phase 1 · BiologyPrevious Year Question

Identify the correct statement on 'inhibin':

Answer: (B) Is produced by granulose cells in ovary and inhibits the secretion of FSH. Answer: (B) Is produced by granulose cells in ovary and inhibits the secretion of FSH Solution: Inhibin is a hormone secreted by the granulosa cells of the ovary (and by Sertoli cells in males) and it specifically suppresses FSH secretion as part of feedback control.

  1. A.Inhibits the secretion of LH, FSH and Prolactin
  2. B.Is produced by granulose cells in ovary and inhibits the secretion of FSH✓
  3. C.Is produced by granulose cells in ovary and inhibits the secretion of LH
  4. D.Is produced by nurse cells in testes and inhibits the secretion of LH

Correct Answer

(B) Is produced by granulose cells in ovary and inhibits the secretion of FSH

Solution & Explanation

Answer: (B) Is produced by granulose cells in ovary and inhibits the secretion of FSH Solution: Inhibin is a hormone secreted by the granulosa cells of the ovary (and by Sertoli cells in males) and it specifically suppresses FSH secretion as part of feedback control. The NCERT chapter prose introduces granulosa cells surrounding the oocyte; the inhibin-FSH feedback detail is a NEET-extension point built on this, and option B alone correctly pairs the source (granulosa cells) with the target hormone (FSH). NCERT Reference: Ch 2, p.32, line 36 — "Each primary oocyte then gets surrounded by a"

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