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