In north India, a sugarcane farmer would be best advised to grow:

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. transfer of genes from unrelated sources.

Breeding crops with higher levels of vitamins and minerals, or higher protein and healthier fats is called:

Micro-propagation is:

1. propagation of microbes in vitro

2. propagation of plants in vitro

3. propagation of cells in vitro

4. growing plants on a smaller scale