Question 23. Answer: The fibres which are made from chemical substances or which are not obtained from the plant and animal sources are called synthetic fibres. Silk fibre made of How silk is made from silkworm yak How does sericulture done what isrearing 1.What changes take place in the Pupa stage of silkworm? Natural fibres can again be divided into two types based on their source i.e. ... From the given options choose the animal from which fleece cannot be obtained – sheep, goat, yak, cow; Cow. Wool comes from mainly from fleece of sheep. Silk, animal fibre produced by certain insects and arachnids as building material for cocoons and webs, some of which can be used to make fine fabrics. The cultivation of silkworms to produce silk is called sericulture/silk farming.Before we discuss the process of obtaining silk, let us know the life cycle of the silk … Silk is a natural protein fiber, some forms of which can be woven into textiles.The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. Here you will learn in-depth about how is silk obtained from silkworm, and different types of silk. The hair of animals like sheep, horses and goats are commonly used as animal fibres. Sheep Wool. silk fibres and turns into pupa. In fact, the best-known silk fibers are obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity. Silk, Cashmere, Shearling, and Other Animal-Derived Clothing Share Tweet Donate Minks, foxes, and chinchillas usually come to mind when the subject of fur comes up, but countless other species are also exploited to make clothing. SOLUTION: (A) True (B) False : Spinning is the process of making yarn from fibres. Answers: a) – True, b) – False, c) – False, d) – True e) – True, f) – False, g) – False. Silk fibre is obtained from silk worms. SILK. asbestos). flax hemp 6. Wool is obtained from the fleece of sheep or goat. f) Silk fibre is obtained from the stem of a plant g) Polyester is a natural fibre. 3 Fibre to Fabric MULTIPLE CHOICE QUESTIONS 1. True. The further development of the pupa into moth continues inside the cocoon (Fig. 3.9). Animal fibres: These are the fibres that are obtained from animals. 19. The silk fibre obtained from the cocoon of mulberry silk moth are soft and lustrous. The rearing of silkworms for obtaining silk is called sericulture. Fur and leather are animal products which are obtained from the skin of animals by killing them. Sericulture Sericulture means ‘silk farming’. A) done clear. 1. It is a natural silk and is an animal fibre. B) done clear. Natural fibres are the fibres that are obtained from plants, animals or mineral sources. Fibres are also made from chemical substances, which are not obtained from plant or animal sources. Silk fibre is obtained from (a) fleece of sheep (b) cotton ball (c) cocoon (d) shiny jute stalk. Wool and silk fibres are obtained from animals. Answer. Animal fibres are known as silk fibres. (a) Mulberry silk (b) Tassar silk (c) Mooga silk (d) Moth silk 3. Question: Four different types of fibres are given to us. Click here 👆 to get an answer to your question ️ Which of the following is not a animal fibre? This covering is known as cocoon . Question 9. Log in. e) Weaving of yarn makes a piece of fabric. Silk worm spins silk. So, silk fibres are also animal fibres. wool and silk), vegetable fibres (e.g. Pashmina refers to a fine variant of spun cashmere, the animal-hair fibre forming the downy undercoat of the Changthangi goat. The silk fibre is made up of a protein. 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