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Describe the rearing of silkworms

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Describe the rearing of silkworms

Posted by Bhavik Jain 1 year, 10 months ago

CBSE > Class 07 > Science

2 answers

Geetha Chowdary 1 year, 9 months ago

Rearing of silkworms to produce raw silk is called sericulture. In this process, silkworms are reared at appropriate temperatures and humidity to get silk threads from cocoons.

Abhi Beniwal 1 year, 9 months ago

The female silk moth hundreds of eggs on the mulberry leave. The larvae that hatch out of the eggs are called caterpillar. Caterpillar feeds on mulberry leave vigorously and grow in size. When a caterpillar is ready to enter the pupal stage, it stops feeding and it's salivary glands secrete fibre around the pupa . The fibre is made up of protein, which hardens on exposure to air and form a cover around the pupa is called cocoon. Cocoon is ball shaped and is formed of silk fibre. Further development of silk moth continues inside the cocoon. At the end of pupal stage, silk moth cuts the silken fibre of the cocoon and the young moth flies out.

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