MCQ
Biogeochemical cycling means :
- ACycling of water
- BCycling of energy in an ecosystem
- ✓Cycling of nutrients in an ecosystem
- DCycling of gases between plants and the atmosphere
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The genes $a$ and $b$ could be of
$A.$ Administration of progestogens
$B.$ Progestogen-estrogen combination
$C.$ $IUDs$ inserted within $72$ hours of coitus
| Column $- I$ | Column $- II$ |
| $(A)$ Myometrium | $(1)$ Cushion of fatty tissue |
| $(B)$ Mons pubis | $(2)$ Tiny finger like structure |
| $(C)$ Acrosome | $(3)$ External layer of uterus |
| $(D)$ Prostate gland | $(4)$ Middle thick layer of uterus |
| $(5)$ Help in fertilization of ovum |