A) Cotton
B) Coir
C) Sunnhemp
D) Silk
Correct Answer: D
Solution :
Silk is not a plant fibre. It is obtained from Bombyx mori of class-Insecta. Bombyx mori is fully domesticated for die production of silk. It produced quantity of silk which is white silk or yellow silk. Cotton, coir and sunnhemp are plant fibres.
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