MCQ
When environmental conditions are favourable, then population growth curve will be
- ASigmoid
- ✓$‘J'$ Shaped
- C$‘S’$ shaped
- D$(a)$ and $(c)$ both
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Assertion $A$: Endometrium is necessary for implantation of blastocyst.
Reason $R$: In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium.
In the light of the above statements, choose the correct answer from the options given below:
$R$ - The lower the $BOD$ of water, lower is its polluting potentials.