MCQ
The egg apparatus consists of...
- ATwo antipodal cells $+$ one egg cell
- BTwo synergid cells $+$ polar nuclei
- CPolar nuclei $+$ one egg cell
- ✓Two synergids cell $+$ one egll
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|
Column $I$ |
Column $II$ |
|
$(a)$ Proliferative Phase |
$(i)$ Breakdown of endometrical lining |
|
$(b)$Secretory Phase |
$(ii)$ Follicular phase |
|
$(c)$ Menstruation |
$(iii)$ Luteal Phase |
Reason : Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.