STD 12 - 7. human health and disease — BIOLOGY STD 12 Science — Question

Below are given in one column four methods of achieving contraception and in other column four methods of their working. Choose the correct match from Column-II with Column-I:

Column-I Methods	Column-II Working Methods
1. Pills	i. Inhibit the sperms to reach cervix
2. Condom	ii. Not allow the implantation
2. Vas deferens	iii. Stoppage of ovulation
3. Copper-T	iv. sperms in semen

For understanding the genotype of an offspring which cross should be performed

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