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Q.
Silk is obtained from :
J & K CETJ & K CET 2004Animal Kingdom
Solution:
Silk is a secretory product of silk glands of the larva of silk worm (Bombyx mori). The silk thread contains $75-80\%$ fibroin and $20-25\%$ sericin. The breeding and management of silkworms for the production of silk is called sericulture.