Assertion :Each testis is attached to the abdominal wall by a ligament and under testosterone influence it is drawn into the scrotum during development. Reason: Leydig or interstitial cells secrete androgens most potent being testosterone.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
The testicles are the male gonads that produce sperm and testosterone. Each testis is present inside the pouch called scrotum. Testicles lead down to the scrotum in the womb under the influence of testosterone. It is linked to the abdomen by a spermatic cord and cremaster muscle. Adjacent to seminiferous tubules in the testicle, interstitial cells or leydig cells are present. These cells secrete androgens mainly testosterone under the influence of luteinizing hormone (LH).
Thus the correct answer is ‘Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.’

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