silk fibre is obtained from which animal

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