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