MCQ
The substance secreted by the corpus luteum is $a/ an:$
- ✓Hormone
- BEnzyme
- CPheromone
- DBile
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$A.$ Variation at genetic level arises due to mutations.
$B.$ Technique of $DNA$ fingerprinting was initially developed by Alec Jeffreys
$I.$ Basmati rice $II.$ Neem
$III.$ Turmic $IV.$ Tulsi

Reason : Finally, the death rate increases than the birth rate.