MCQ
The growth of population is determined by
- ABiotic potential only
- BEnvironmental resistance only
- CEmigration only
- ✓$(a)$ and $(b)$ both
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$I.$ Increase vitamin - $B_{12}$ amount, thus increasing nutrient quality of milk
$II.$ Checks disease causing microbes in stomach
Choose the correct option
Reason : Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on $X-$ chromosome and some on $Y-$ chromosome.