NEET 2008 Biology question
Given below are four methods (A - D) and their modes of action (a - d) in achieving contraception. Select their correct matching from the four options that follow Method - Mode of Action (A) The pill - (a) Prevents sperms reaching cervix (B) Condom - (b) Prevents implantation (C) Vasectomy - (c) Prevents ovulation (D) Copper T - (d) Semen contains no sperms Matching
Answer: (2)
Solution
Oral contraceptive pills (oestrogen-progestogen) mainly inhibit ovulation: A-(c). A condom is a barrier that prevents sperms from reaching the cervix: B-(a). Vasectomy blocks the vas deferens, so the semen contains no sperms: C-(d). The copper-T
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