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