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Biology · 2025 · 1 mark
CBSE 2025 · Region 5 · Set 1 · Q16
Assertion (A): Cu-T, Cu-7 and LNG-20 are the most widely used copper-releasing IUDs. Reason (R): Cu-ions in IUDs effectively suppress sperm motility…
Assertion (A) : Cu-T, Cu-$\displaystyle 7$ and LNG-$\displaystyle 20$ are the most widely used copper-releasing IUDs.
Reason (R) : Cu-ions in IUDs effectively suppress sperm motility and the fertilising capacity of sperms.
Official answer
(D)
Assertion (A) is false, but Reason (R) is true.
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