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| Column $I$ | Column $II$ |
| $(A)$ Surgical methods | $(p)$ Condom |
| $(B)$ Barrier methods | $(q)$ Pills |
| $(C)$ Natural methods | $(r)$ Tubectomy |
| $(D)$ Chemical methods | $(s)$ Lactational amenorrhea |
| Column $-I$ (Method) | Column $-II$ (Mode of Action) |
| $A$. The pill | $I$. Prevents sperms reaching cervix |
| $B$. Condom | $II$. Prevents implantation |
| $C$. Vasectomy | $III$. Prevents ovulation |
| $D$. Copper $T$ | $IV$. Semen contains no sperms |
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