Question

covering of silk fiber​

Answer 1

Explanation:

The silky covering spun by the silkworm (or caterpillar) of silk moth is called cocoon. The cocoon is made by silkworm to protect its development as pupa. Pupa is a stage in the life history of silk moth when the caterpillar (or silkworm) becomes 'encased' in a hard shell of silk fibres called cocoon.

Answer 2

Answer:

This covering is known as cocoon.

Silk fibers are used for weaving silk cloth.

The silk yarn (thread) is obtained from the cocoon of the silk moth.