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What Is Polyculture?

Culturing a few selected species of fishes together in proper propositions in a pond to increase the total production of fishes is called... View Article

What Is Pupa In Silkmoth?

The pupa or chrysalis is a non-motile and non-feeding stage that occurs in the cocoon. It can be seen by cutting open the cocoon. The body of a... View Article

What Is Stifling?

Silk must be procured from the cocoons before the emergence of the silkmoth. Therefore, the pupae are killed by subjecting the cocoons to dry... View Article

What Is Cephalization?

Annelids are the first group of non-chordates that show cephalization. Union of a few of the anterior body segments to form a head which is... View Article

Write About Crown Gall.

It is caused by a bacterium called Bacterium tumefaciens. Any dicot plant, roadside trees, etc. can be infected by this bacterium. The infection... View Article