Web22 mei 2024 · 2. Burr. 4. Mulberry leaves. 5. Sericulture. (a) The rearing of silkworm to get silk. Hope the information shed above regarding NCERT MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers Pdf free download has been useful to an extent. If you have any other queries of CBSE Class 7 Science Fibre to Fabric MCQs … WebFrom one cocoon, a single thread of continuous raw silk can be obtained with its length varying from 300 to 900 meters which is equal to 1000 to 3000 feet. The fibers of such …
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Web15 nov. 2024 · Silk is an animal fibre obtained from the cocoons of silkworms. A large number of these cocoons are unwound carefully to make long threads. These threads are spun together to make them thicker and then woven to make silk. Raising silkworms for the production of raw silk is known as sericulture. Web7 sep. 2024 · Moths are reared and their cocoons are collected to get silk thread for obtaining silk. Question 4. Describe how silkworms are reared and silk is processed. or Mention the process of getting silk from cocoon. Answer: Silk moths are reared and then cocoons are collected to get silk threads for obtaining silk. binoculars telescopes optics
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Web27 sep. 2024 · Silkworm Cocoon. Weight: 0.10 LT. - Personal Transaction Unavailable. - Marketplace Information. Market Price: 1,000 Silver. Warehouse Capacity: 0.10 VT. - Description: Material that has been processed and may be used during crafting. It may also be changed to a different form through alchemy or processing. Web15 jun. 2024 · For obtaining silk, silk moths are reared and their cocoons are collected to get silk thread. Rearing Silkworms A female silk moth lays hundred of eggs at a time. The eggs are stored carefully on strips of paper or cloth and sold to silkworm farmers. The farmers keep eggs under hygienic condition. WebCocoons are collected and kept under the sun, or boiled, or exposed to steam. This helps in separating out the silk fibres. The process by which silk thread is separated from the … binoculars that look like glasses