Silk fibres are made of ____. Options: A . &nbspprotein B . &nbspcarbohydrate C . &nbspamino acids D . &nbspvitamins

Silk fibres are made of ___

Question

Silk fibres are made of ____.

Options:

A . protein

B . carbohydrate

C . amino acids

D . vitamins

Answer: Option A
:
A
Caterpillar secretes fibre made of protein which hardens on exposure to air and becomes silk fibre.

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