A drop in temperature does affect spermatogenesis. Reason: during the temperature drop the smooth muscle contracts and brings the testes closer to the pelvic cavity. A. Both assertion and reason are correct and the reason is the correct explanation for the assertion. B. Both assertions and the reason are correct but the reason is not the correct explanation for the assertion. C. The assertion is correct but the reason is incorrect. D. Both assertion and reason are incorrect.

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Sourav Pan · Answer

The correct answer is A. A drop in temperature triggers the contraction of the cremaster muscle, which brings the testes closer to the body to regulate temperature for spermatogenesis.

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