Which of the following is not an objective of Biofortification in crops?

Differentiate between Cutting and Grafting.

In maize,hybrid vigour is exploited by

Fill in the blanks in the following statements ($A$ to $C$):
$(A)$ The capacity to generate a whole plant from any cell/explant is called ......$(i)$ .......
$(B)$ The transfer of resistance genes occurs through ........$(ii)$........ . Subsequently,........$(iii)$ ....... occurs between the target and the plant source.
$(C)$ The rice variety $IR8$ was developed in the country ........$(iv)$ ........

In wheat,solid stems lead to non-preference by

How is a hybrid variety of maize obtained?