Who coined the term 'heterosis'?

$A$ and $B$ were crossed to obtain sugarcane varieties having desirable qualities and the ability to grow in the sugarcane areas of North India. The most appropriate option for $A$ and $B$ is:

What are the characteristics of desirable plants produced through plant breeding?

Describe various steps in breeding a new genetic variety of a crop.

Select the incorrect option regarding conventional plant breeding.

Select the appropriate option for the Green Revolution.