write the complete process to obtain the silk fibre from the cocoons? class 7
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Answer:
(1) Rearing of Silkworms to Obtain Cocoons
Explanation:
When the eggs hatch, silkworms (larvae or caterpillars) come out of eggs. big in size. After about 25 to 30 days, the silkworms stop eating and get ready to spin cocoons. The silkworms climb the twigs placed near them and spin cocoons of silk fibres.
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Answer:
The process of raring and obtaining silk from the silk worm is called as sericulture. The cocoon is an immature stage of the development of the silk worm. The cocoon is covered by the envelop of the silk fibers. The fibers are extracted from cocoon by exposing them to the direct sunlight, boiling in water or exposing to the steam.
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