Topic: Gametogenesis: spermatogenesis and oogenesis· Reproduction

Identify the correct option (A), (B), (C), (D) with respect to spermatogenesis.[Flow chart: GnRH -> LH -> (B) -> Androgens -> Formation of spermatids; GnRH -> (A) -> (C) -> Factors -> (D)]

Identify the correct option (A), (B), (C), (D) with respect to spermatogenesis.

[Flow chart: GnRH -> LH -> (B) -> Androgens -> Formation of spermatids; GnRH -> (A) -> (C) -> Factors -> (D)]

Flow chart of hormonal control of spermatogenesis with blanks A-D

1. ICSH, Leydig cells, Sertoli cells, spermatogenesis.

2. FSH, Leydig cells, Sertoli cells, spermiogenesis.

3. ICSH, Interstitial cells, Leydig cells, spermiogenesis.

4. FSH, Sertoli cells, Leydig cells, spermatogenesis.

Doubtly Asked 30 Oct 2026 NEET UG 2024 Practice test neet Save WhatsApp Report

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Answer: 2. FSH, Leydig cells, Sertoli cells, spermiogenesis.

Key idea: in males, LH acts on Leydig cells to make androgens, and FSH acts on Sertoli cells to give factors that help spermiogenesis.

Left branch: GnRH → LH → (B) Leydig cells → androgens → formation of spermatids. Right branch: GnRH → (A) FSH → (C) Sertoli cells → factors → (D) spermiogenesis (spermatids to sperm).

This gives FSH, Leydig cells, Sertoli cells, spermiogenesis: option 2.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Identify the correct option (A), (B), (C), (D) with respect to spermatogenesis.[Flow chart: GnRH -> LH -> (B) -> Androgens -> Formation of spermatids; GnRH -> (A) -> (C) -> Factors -> (D)]

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