Question

how is silk fiber obtained form cocoon​

Answer 1

The process of silk production is known as sericulture. ... Extracting rawsilk starts by cultivating the silkworms on mulberry leaves. Once the worms start pupating in their cocoons, these are dissolved in boiling water in order for individual long fibres to beextracted and fed into the spinning reel.

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Answer 2

Silk is produced by several insects, like silk worms but generally only the silk of moth caterpillars has been used for textile manufacturing. There has been some research into other types of silk, which differ at the molecular level. Silk is mainly produced by the larvae of insects undergoing complete metamorphosis, but some insects such as webspinners and raspy cricketsproduce silk throughout their lives.