Question

Silk fibre is drawn from the cocoon of _________.

A

butterfly

B

worm

C

silkworm

D

both and

Easy

Solution

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Correct option is
C

silkworm

Silkworm, its larvae are fed with mulberry leaves, and, after the fourth moult, they climb a twig placed near them and spin their silken cocoons. 

This process is achieved by the worm through a dense fluid secreted from its structural glands, resulting in the fibre of the cocoon.

Hence the option C is correct.

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