Click here ð to get an answer to your question ï¸ Which of the following is not a animal fibre? Out of these, two fibres (1 and 2) are obtained from plants and other two (3 and 4) fibres are obtained from animals. The silk fibres separate out. Join now. flax hemp 6. Animal hair: Animal hair is a commonly used source to obtain animal fibres. Natural fibres include animal fibres (e.g. mention any two. Cotton was first produced in (a) Egypt (b) India (c) Europe (d) China jute and cotton) and mineral fibres (e.g. The process of taking out threads from the cocoon for use as silk is called reeling the silk. Do you know which part of the sheepâs body yields fibres? Silk fibre is obtained from (a) fleece of sheep (b) cotton ball (c) cocoon (d) shiny jute stalk. Natural fibres are the fibres that are obtained from plants, animals or mineral sources. (ii) Silk is obtained from the fleece of sheep. 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. silk fibres and turns into pupa. Originally, it was used by emperors only. Question 4. 2. 3. wool and silk), vegetable fibres (e.g. For example, polyester, nylon, and acrylic etc. (v) Silk fibre is chemically a protein. Question 9. Silkworm is reared to obtain silk. Fill in the blanks : a) Plant fibres are obtained from ___ and ___ b) Animal fibres are ___ and ___ Answers: a) Jute and cotton b) Silk ⦠The rearing of silkworms for obtaining silk is called sericulture. Animal Hair/Wool Fibers. Examples of Natural Fibres. Question 19. Answer. In common parlance today, pashmina may refer either to the material or to the variant of the Kashmir shawl that is made from it. A) Cotton done clear. These solutions for Animal Fibres are extremely popular among Class 7 students for Science Animal Fibres Solutions come handy for quickly completing your homework and preparing for exams. Name some fibres obtained from animals; Wool and silk. It is obtained from the cocoons of mulberry silkworm and is made up of protein. ANIMAL FIBRES ⢠These include wool and silk. Sheep Wool. plants and animals. How is Silk Obtained from Cocoon of Silkworms? 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. Question: Explain how jute is obtained from the jute plant. Some examples are cotton, silk, wool etc. (iv) Silk moths spin the silk fibres. Join now. Animal fibres: These are the fibres that are obtained from animals. Wool and silk fibres are obtained from animals. c) Jute is the outer covering of coconut. In fact, the best-known silk fibers are obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity. Answers: a) â True, b) â False, c) â False, d) â True e) â True, f) â False, g) â False. Wool is obtained from the fleece of sheep or goat. 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? 3 Fibre to Fabric MULTIPLE CHOICE QUESTIONS 1. ... From the given options choose the animal from which fleece cannot be obtained â sheep, goat, yak, cow; Cow. (D) True (E) True (F) False : Silk fibre is obtained from silkworm (animal). The rearing of silkworms for obtaining silk is called (a) cocoon (b) silk (c) sericulture (d) silviculture 2. The rearing of silkworms for obtaining silk is called: (a) moriculture (b) apiculture (c) sericulture (d) silviculture. (iii) Pashmina shawls woven from the wool obtained from the under fur of Kashmiri goats. Silk fibre is obtained at which of the following stage of its life cycle? SILK. Silkworms spin the silk fibres. Silk fibre is obtained from silk worms. Ask your question. (g) Polyester is a natural fibre. asbestos). The silk fibre obtained from the cocoon of mulberry silk moth are soft and lustrous. Solution: (c) Silk is a natural fibre which is obtained from the cocoons of silk moths. Sericulture Sericulture means âsilk farmingâ. Silk fibres are obtained from silkworms. Silk fibres come from cocoons of the silk moth. (F) Silk fibre is obtained from the stem of a plant. The most common variety of silk is mulberry silk. C) done clear. Silk fibers are produced on demand from special silk glands of several groups of invertebrate animals such as silk moths. The silk fiber is the only fiber obtained from an insect (secretion) â silkworm. ajith1826 ajith1826 12.06.2020 Environmental Sciences Secondary School Silk fibres are obtained from which animal 2 Mulbery silk, Tasar Silk and Mooga silk are the varieties of silk produced by different silk worms whereas Moth silk is not a variety of silk. Silk fibre: Silk fibres are the fibres that are obtained from the cocoons of the silkworm, typically of the species Bombyx mori. How is silk fibre obtained? SOLUTION: (A) True (B) False : Spinning is the process of making yarn from fibres. (a) Mulberry silk (b) Tassar silk (c) Mooga silk (d) Moth silk 3. (a) Woollen shawl (b) Silk scarf (c) Animal fur cap (d) Leather jacket. Animal fibres are known as silk fibres. This covering is known as cocoon . The process by which silk is produced is called sericulture. Silk fibre is drawn from the cocoon of silkworm. 3.9). Animal Fibres - Silk | Home | | Pharmacognosy | Chapter: Pharmacognosy and Phytochemistry : Fibres, Sutures and Surgical Dressings Fibres obtained from the cocoons spun by the larvae Bombyx mori Linn., belonging to family Bombycidae/Moraceae. Thus, the fabric is a natural animal fibre. 3.9). The further development of the pupa into moth continues inside the cocoon (Fig. Pashmina refers to a fine variant of spun cashmere, the animal-hair fibre forming the downy undercoat of the Changthangi goat. You also learnt that wool and silk fibres are obtained from animals. The silk fibre is made up of a protein. What are the common health problems found in the people who work in silk industry? So, silk fibres are also animal fibres. The word pashm means "wool" in Persian, but in Kashmir, pashm referred to the raw unspun wool of domesticated Changthangi goats. In commercial use, silk is almost entirely limited to filaments from the cocoons of domesticated silkworms (caterpillars of several moth species belonging to the genus Bombyx ). 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 ⦠Question 5. Play quiz on "Natural Fibres -Plant and Animal fibres" here: Quiz On Natural Fibres. Silk worm spins silk. Silk Silk is a natural fibre which is obtained from an insect (called silk moth). Silkworms spin cocoons for the vulnerable pupa stage. Silk is a natural fibre which is obtained from an insect called silk moth or silkworm. A) done clear. Question 3. Silk became a prized possession because of its fine quality and luster. It is also obtained from the hair of rabbits, yak and camels. Which of the following would be the right gift for her to buy? Can you imagine that the soft silk yarn is as strong as a comparable thread of steel! 1. These are called synthetic fibres. Answer. Log in. Which of the following would be the right gift for her to buy? g) Polyester is a natural fibre. Silk is the strongest natural fibre. f) Silk fibre is obtained from the stem of a plant. Question: Four different types of fibres are given to us. Reeling is done in special machines, which unwind the threads or fibres of silk from the cocoon. (a) Woollen shawl (b) Silk scarf (c) Animal fur cap Answer: The fibres which are made from chemical substances or which are not obtained from the plant and animal sources are called synthetic fibres. Wool is obtained from the fleece fleece (hair) of sheep or yak. Question 23. The further development of the pupa into moth continues inside the cocoon (Fig. Living Science Solutions for Class 7 Science Chapter 4 Animal Fibres are provided here with simple step-by-step explanations. (i) Wool and silk are the animal fibres. Fur and leather are animal products which are obtained from the skin of animals by killing them. Silk fibres are used for weaving silk cloth. This covering is known as cocoon . The hair of animals like sheep, horses and goats are commonly used as animal fibres. Silk fibres are used for weaving silk cloth. Solving the Synthetic Fibres and Plastics Multiple Choice Questions of Class 8 Science Chapter 3 MCQ can be of extreme help as you will be aware of all the concepts. Silk fibres are obtained from which animal Get the answers you need, now! VEGETABLE FIBRES These include cotton the most widely used of all textile fibres,flax,hemp,jute etc.the bas of the vegetable fibres Is cellulose which is the material used by nature as a structural material in the plan world. The species of silk moth which spin the silk fibres is Bombyx mori. B) Silk done clear. a) Yarn is made from fibres. 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. Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. d) The process of removing seed from cotton is called ginning. B) done clear. Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. a)Wool b)silk c) jute D )pashmina roopal6582 roopal6582 20.05.2019 Natural fibres can again be divided into two types based on their source i.e. 1. Here you will learn in-depth about how is silk obtained from silkworm, and different types of silk. These MCQ Questions on Synthetic Fibres and Plastics Class 8 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. b) Spinning is a process of making fibres. (C) False : Jute is obtained from jute plant (Corchorus). e) Weaving of yarn makes a piece of fabric. Can you imagine that the soft silk yarn is as strong as a comparable thread of steel! Man-made fibres are either regenerated or synthetic; viscose rayon, based on regenerated cellulose, is man-made but not synthetic while polyester, polypropylene and nylon are all synthetic fibres. Wool is the common name applied to the soft, curly fibers obtained chiefly from the fleece of domesticated sheep, and used extensively in textile manufacturing. Let us find out how is silk obtained ⦠3. silk fibres and turns into pupa. History of Silk: Silk was discovered in China; around 3500 BC. Wool comes from mainly from fleece of sheep. 19. 3 Fibre to Fabric I n Class VI you have learnt about some fibres obtained from plants. Which of the following is an animal fibre? (b) Jute is the outer covering of coconut. (vi) The most common silk moth is the mulberry silk moth. 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