Assertion :Cu-T and Cu-7 do not suppresses sperm motility. Reason: Hormones released by them affect sperm motility.

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 D Both Assertion and Reason are incorrect.
Intrauterine devices are the small devices made up of plastic/metal pieces that are inserted into uterus to prevent pregnancy due to presence of copper or contraceptive hormones in them. Copper releasing IUDs, namely Cu-T, Cu-7 release copper that suppress the sperm motility which in turn reduces its fertilizing capacity. This makes both Assertion and Reason incorrect. Correct answer is D.

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