A type of resistance in which a series of different cultivars of the same crop are infested with a series of different insect biotype of same species show no differentia intersction, such type of resistance is________?

An accounting item which decreases the value of an asset________?

The act of giving birth to young one is called ________?

The chemical used for controlling fish is called________?

Gold is________?

A module or outlet in which discharge depends upon the difference of head between distributary and the water course is called ________?