MCQ
Progesterone in the contraceptive pill:
- ✓Prevents ovulation
- BInhibits estrogen
- CChecks attachment of zygote to endometrium
- DAll the above
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| Column $-I$ | Column $-II$ |
| $(A)$ Physical barriers | $(1)$ Interferon |
| $(B)$ Physiological barriers | $(2)$ Leukocytes |
| $(C)$ Cellular barriers | $(3)$ Tears |
| $(D)$ Cytokinin barriers | $(4)$ skin |
$A$ $B$ $C$ $D$