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NEETZoologyHuman Reproduction

Read the following statements carefully: Statement I: LH acts on the Leydig cells located in the interstitial spaces outside the seminiferous tubules to stimulate synthesis and secretion of androgens. Statement II: FSH acts on the Sertoli cells located in the interstitial spaces to stimulate secretion of some factors which help in the process of spermiogenesis. Statement III: Androgens stimulate the process of sperma

Options

  1. AFour
  2. BThree
  3. COne
  4. DTwo

Correct answer

D. Two

Step-by-step solution

Statement I is correct: Leydig cells (interstitial cells) are located in the interstitial spaces outside the seminiferous tubules, and LH acts on them to synthesize androgens. Statement II is incorrect: Sertoli cells are located on the inside of the seminiferous tubules, not in the interstitial spaces. Statement III is correct: Androgens stimulate the process of spermatogenesis. Statement IV is incorrect: GnRH acts on the anterior pituitary gland, not the posterior pituitary gland, to stimulate the secretion of LH

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