When some cultivars are resistance and some cultivars are susceptible, when they are infested with same insect biotype such type of resistance is called________?

A controlled oxidation process by which all organisms ultimately obtain the energy stored in organic compound is known as________?

Jassid, Aphid and bugs have________?

Term forest is derived from: ________?

The most popular and common method of laying out orchard on flat ground is________?

In wheat total crop N uptake per ton of grain is about________?