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

Which one of the following methods is commonly used to maintain the genetic traits of a given plant

Assertion : Use of fertilizers greatly enhances crop productivity.

Reason : Irrigation is very important in increasing crop productivity.

Micropropagation is

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

A true breeding plant is