CBSE Class 12 Biology Solved Question Paper 2011

Short Answer Type

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Why is CuT considered a good contraceptive device to space children?

CuT or Copper T is considered to be good contraceptive device because Cu ions released suppress sperm motility and the fertilising capacity of sperms. In addition, it makes the uterus unsuitable for implantation and the cervix hostile to the sperms.  Its success rate is the highest and is safe.
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