‘Bombyx mori' feeds on or Food of silk worm is

It is now possible to breed plants and animals with desired characters through

Which of the following is a viral disease of poultry birds?

In mung bean, resistance to yellow mosaic, virus and powdery mildew were brought about by

Which is similar term to Hybrid vigour?

Cocoa is the plant from which chocolate is made. Which part is used to extract it?