31.Silk is obtained from ____: [A] Cocoon of silk worm [B] Saliva of the silk worm [C] Larvae of silk worm [D] Mulberry tree Show Answer
The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture).
