निम्नलिखित

Hand picking and killing of insects in field is a-

Powdery mildew of mango is caused by

The method of farming in which sowing is done after the level of flood water decreases is ____

During embryogenesis, the protoderm becomes

Thylakoid is a third membrane system seen in 

Chemically most of the sand grains are

What is a characteristic of specialized markets?

A flour mill opening its retail outlet is an example for

Concept of allelopathy was given by