Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Biology Biology in Human Welfare Animal and Plant Breeding
The biggest constraint of plant breeding is:
1
availability of desirable gene in the crop and its wild relatives
2
infrastructure
3
trained manpower
4
More than one of the above
5
None of the above