A) Checks mutation
B) Checks fertilization
C) Checks pollination
D) Checks ovulation
Correct Answer: B
Solution :
Copper-T is an example of intra-uterinc devices used for birth control. Copper-T inhibit fertilization of ovum so it check pregnancy. Contraceptive pills which contain hormone like progesterone, oestrogen inhibit ovulation e.g., mala-D.
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