Assertion : Cu-T and Cu-7 do not suppress spe | vedclass

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(C) $Cu-T$ and $Cu-7$ are copper-releasing intrauterine devices $(IUDs)$.They do not suppress sperm motility; instead,they release copper ions $(Cu^{2

Vedclass · Accepted Answer

If both the Assertion and Reason are incorrect.

Vedclass · Answer

(C) $Cu-T$ and $Cu-7$ are copper-releasing intrauterine devices $(IUDs)$.They do not suppress sperm motility; instead,they release copper ions $(Cu^{2+})$ which suppress sperm motility and fertilizing capacity of sperms.However,the assertion states they do not suppress sperm motility,which is scientifically incorrect because copper ions are known to reduce sperm motility.Furthermore,the reason is incorrect because these devices do not release any hormones.Therefore,both the Assertion and the Reason are incorrect.

Method	Mode of Action
$(A)$ Pills	$(i)$ Prevents sperm from reaching the cervix
$(B)$ Condom	$(ii)$ Prevents implantation
$(C)$ Vasectomy	$(iii)$ Inhibits ovulation
$(D)$ Copper-$T$	$(iv)$ Semen contains no sperm

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

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