MCQ
At which level do herbs and grasses reside?
- AVertical level
- BOblique level
- ✓Ground level
- DUpper level
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Here $A$ and $B$ refers to
Reason : Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on $X-$ chromosome and some on $Y-$ chromosome.