Solution: The fruits or bolls of cotton plants are used to obtain cotton fibre and jute is obtained from the stems of the jute plants. Question 12. The cocoons are put in boiling water to loosen the silk fibre. Answer: Question 8. This process of washing of sheared hair is called scouring. Wool is obtained from the fleece (hair) of sheep or yak.. ii. Question 4. Reeling the Silk Silk fibres come from cocoons of the silk moth. (e) Female silk moths lay eggs. (b) Silk scarf (d) Moth, Question 6. Silk fibre is obtained from [NCERT Exemplar] (a) fleece of sheep (b) cotton ball (c) cocoon (d) shiny jute stalk Answer: (c) cocoon. Answer: Write the name of the animal from which wool for pashmina shawls is obtained. When combined with its property of trapping air helps to keep the person warmer than sheep wool. Question 10. Finally, we conclude that the sheep’s hair is sheared off from the body, scoured, sorted, dyed, combed and spun to obtain wool (for knitting sweaters) and woollen yarn (for weaving cloth). Answer: Answer: You also learnt that wool and silk fibres are obtained from animals. 2. air, conductor, Question 5. Answer: (a) Mulberry silk Silk fibres come from cocoons of the silk moth. Silk and wool are two fibres which are made up of proteins. (c) After 25 to 30 days, the caterpillers stop N eating and start spinning cocoons. Reeling is done in special machines. Step III It was the first fibers to be spun into yarn and into fabric. After scouring, sorting is done. Silk fibre belongs to which class of organic substance? Step V 2. (c) washing of sheep fibre to remove grease breed, Question 12. (b) selecting the parents with desired properties, Question 7. Question 12. Silk fibres come from cocoons of the silk moth. Answer: (b) Fibres are taken out from the cocoon. The rearing of silkworms for obtaining silk is called silviculture. Silk – derived from silkworms (the fibre is obtained from the cocoon of the silkworm) Cashmere – derived from the fur of the Cashmere goat Shearling – derived from the fur and skin of the shearling sheep Persian wool – derived from the fur of Karakul lambs (regarded by many to … …… and ……. (i) Silk is a cellulosic fiber. It is obtained from the cocoons of mulberry silkworm and is made up of protein. Angora wool is obtained from angora goats. (c) What values are shown by Ajay? Explain the phrase – ‘Unity is Strength’ on the basis of the making of fabric from fibre. Match the items of Column I with the items given in Column I [NCERT Exemplar], Answers: So, on burning these threads, a smell of burning hair comes out. Take a thread of pure silk and another thread of an artificial (synthetic) silk. Why caterpillars need to shed their skin when they grow bigger but humans do not? Question 21. Silk yarn of different textures can be prepared. Fibre (1) is used in filling quilts and the yarn made of fibre (2) is used in making gunny bags, The yarn made from fibre (3) is used for knitting sweaters and yarn of fibre (4) is used for weaving saries. Sheep are herbivores, so which type of feed (or food) is provided by shepherds? Answer: (After this, the fibres are scoured again and dried. Answer: Sheep are usually shorn annually in the spring/summer months. Sorter’s disease is an occupational hazard. (ii) The hair on a sheep's body is called fleece, (iii) Silk fabric was first developed in ancient China. Some of the silkworms (as pupae) are however, allowed to live and mature into silk moths so that they can lay eggs to produce more silkworms. Name different types of silk. (b) spinning of silk fibres Wool has ……. (d) nylon Do you have any idea? cocoons, Question 7. (a) cocoon D) ... A In which process fleece of sheep with skin is/are removed? A fibre is a hair-like strand of material. The silkworm continues to develop in the form of pupa inside the cocoon to form the silk moth. The most common silk moth is mulberry silk moth. Wool → Wool comes from sheep, goat, yak and some other animals who are having hair on their body. (d) The larvae/caterpillars or silkworms are kept in clean trays along with freshly chopped mulberry leaves. Answer: Question 16. Answer: Answer: Silkworms are caterpillars of silk moth. 8. (b) Is the pure silk saree more costly than an artificial one? (c) Neha’s mother is intelligent and knowledgeable. (d) rolling of sheep fibre into yam. Answer: B) done clear. Silk is obtained by killing the pupae. After the final moulting begins, the last feeding period (of about ten days) after which the worm grows to its full size. Answer: The farmers keep eggs under hygienic condition. In Tibet and Ladakh, angora goats are found. Write the maximum length of continuous silk thread that can be obtained from a cocoon. [NCERT Exemplar] Question 15. (a) Woollen shawl 3. Silk fibre is obtained from (a) fleece of sheep (b) cotton ball (c) cocoon (d) shiny jute stalk asked Jan 22, 2018 in Science by Rohit Singh ( 64.3k points) fibre to fabric Answer (d) Question 6. The larvae of silk moth are called caterpillar or silkworm. False, it is sericulture. Fur and leather are animal products which are obtained from the skin of animals by killing them. Answer: Out of these, two fibres (1 and 2) are obtained from plants and other two (3 and 4) fibres are obtained from animals. Egg ➝ Larva (or caterpillar) ➝ Pupa ➝ Silk moth which actually makes the silk fibre? → Wool and silk fibres are obtained from animals. (a)-(iii); (b)-(iv); (c)-(ii); (d)-(i). The silk obtained from the cocoons of mulberry silk moth is called mulberry silk. Rampur bushair and Bakharwal are the breeds of sheep. Yak wool is common in the hilly regions of Ladakh. [NCERT Exemplar] Answer: Answers: 3. (c) Ajay is very caring, intelligent and sensible boy. In first saree, one thread which burnt with a smell of burning hair is from pure silk, silk and hair are protein fibres. The first step is shearing then scouring. (a) Neha’s mother took a thread of natural silk fabric and another thread of artificial silk fabric and burn them separately. Question 2. Question: Write a caption for each of the figures given as figure (a-d). → Wool is derived from these hairy fibres. C) done clear. (d) rolling of sheep fibre into yarn. It is used to make very high quality knitwear. It was the first fibre to be spun into yarn and it provides more warmth than other animal fibres. From Cocoon to Silk You also learnt that wool and silk fibres are obtained from animals. Scouring makes the fleece of sheep clean. Woollen fibres are then processed to obtained woollen yarn. Answer: in which part of India, yak wool is common? The fleece of sheep is not the only source of wool. fleece. Answer: (a) fleece of sheep Question 10. Answer. (a) culture of bacteria Cocoon is used to obtain silk thread. Fibres and fabric play a large role in everyday applications. Silk fibre is obtained from (a) fleece of sheep (b) cotton ball (c) cocoon (d) shiny jute stalk . True. The covering of silk fibres inside which the caterpillar covers itself is called cocoon. Answers: (b) cellulose (b) separating hair of different textures Name the stage next to caterpillar in the life cycle of silk moth. Soon the silkworm (or caterpillar) covers itself by silk fibres and turns into pupa. (a): Wool can be obtained without killing the animal. Answer: The fleece of sheep is not the only source of wool. Name some wool yielding animals. Answer: Answer: It comes from the fleece/hair of wool yielding animals such as sheep, goat, yak, camel, rabbit, etc. (b) separating hair of different textures. So, it is cheap. Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. Animal fibres → Wool and silk fibres are obtained from animals. 3. (a) The risks faced by people working in any industry due to the nature of their work are called occupational hazards. Handmade Felted Goods [Please click on the pictures above to see more information] Thank you very much for visiting our website. Shearing The process of removal of the fleece from an animal is called shearing. Silk fibres come from cocoons of the silk moth. Pure and Artificial Silk larvae, Question 6. Silk fibre is obtained from (a) fleece of sheep (b) cotton ball (c) cocoon (d) shiny jute stalk NCERT Class VIII Science - Exemplar Problems Chapter 3. Ajay is worried about his father’s health. 4. Answer: [NCERT Exemplar] (a) Goat (b) Llama (c) Alpaca (d) Moth Answer: (d) Moth. (c) Mooga silk Steps for the production of silk are given below in a jumbled order. Question 7. The process of taking out threads from the cocoon for use as silk is called reeling the silk. The main aim to rear the sheep is to obtain wool. Answer: The different processes involved in wool production are shearing, scouring, grading, dyeing, and drying. Four different types of fibres are given to us. Yak hair are not used to make woollen fabric. Silk fibres come from cocoons of the silk moth. Define the statement. True. Out of scouring or shearing, which process comes first in the production of wool from sheep? Weaving of fleece into yarn. The shearing (cutting the hair) of sheep is done in hot weather of summer so that sheep may survive without their protective coat of hair. They are the smallest visible unit of a fabric and denoted by being extremely long in relation to their width. Silkworms secrete fibre made of The finest wool is obtained from Merino sheep. Question 5. In his line of work, he does the job of sorting the fleece of sheep into fibres of different qualities. Define the term ‘selective breeding’. Write a caption for each of the figures given as figure (a-d). Answer: Question 8. (c) What values are shown by Neha’s mother? So, a piece of woollen fabric also burns giving the smell of burning hair. Answer: The silk fibres separate out. Answer: Question 1. Cotton and paper both are carbohydrates. Question 8. (c) weaving of silk cloth Question 9. Answer: Answer: (a) removal of fleece The larva (or caterpillar) of a silk moth makes the silk fibre. Mulberry leaves are food of silk worms. Answer: Question 5. Wool is obtained from the hair or fleece of animals such as sheep and goat. (a) a process of making silk reels Wool is obtained from this fleece. (b) cotton ball False, because silkworms feed on mulberry leaves. False, because mooga is the strongest variety of silk. Animal Fiber – Wool & Silk (Natural Fibers) by admin | Posted on May 16, 2020. The sleeping period of silkworm is …… hours at intervals of about six days. Mulberry silk is soft, lustrous (shiny) and elastic and can be dyed in beautiful colours. Explain in brief. Answer: Yak wool provides more warmth than sheep wool. Cl2 + 2NaI = 2NaCl + I2, What is the positive charge on the nucleus of an atom due to?​, quationshand awnie solids areExplain whybrittlesake the modulo​. Their food also contain a mixture of pulses, corn, jowar, oil cakes (material left after taking out oil from seeds) and minerals. Answer: Question 17. The most common silk moth is the mulberry silk moth. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. Kashmiri goats. Solution: Down (D) 1. Answer. This fibre becomes hard when it is exposed to air and is called the silk fibre. Question 1. Arrange them in their proper sequence. Answer: The small fluffy fibres, called burrs, are picked out from the hair (burrs are soft, fluffy fibres in wool). Name some fibres obtained from animals; Wool and silk. cocoons, Question 8. Name the most common silk moth. It is soft, fine, glossy, and luxurious. (c) sericulture In the life history of silk moth as The general process that takes place at a sheep shearing shed is The maximum length of continuous silk thread that can be obtained from a cocoon is more than that of 1000 feet (1000 to 1500 feet) continuous in length. For what purpose, rearing of sheep is done? China, Question 14. Question 7. (d) the process of taking silk threads from cocoon Answer: Question 6. Selective breeding is a process of The scoured fleece is then dried. Now answer the following questions. Silk fibres are obtained from silkworms. Question 2. How silkworms are reared? We're a family business selling a range of goodies including yarn, sheep locks, feltmaking fabrics, wool fibre, mohair shawls and felted goods. In India, camels and goats are generally reared for obtaining wool. As a result, natural silk is costly. A) Shaving done clear. Silk fibres are spun into silk threads which are woven into silk cloth by weavers. Artificial silk is obtained from wood pulp and it is made of modified plant material ‘cellulose’. Now, answer the following questions: (b) Llama Name the natural fibre obtained from insects. Then, it swings its head from side to side. (c) cocoon, Question 5. The silk fibres separate out. Answer: Selective breeding is a process of The thread which burns giving a smell of burning paper will be artificial silk thread. Just like silk, wool is also made up of proteins. (c) making silk fabric from silk yarn Question 11. In sorting, the hairy skin is sent to a factory where hair of different textures are separated or sorted. The shopkeeper was showing sarees of different varieties of silk but her mother wanted to take only a pure silk saree and not an artificial one. Question 5. Different types of silk are mulberry silk, tassar silk, mooga silk and kosa silk. Question 19. Silk (78% protein) is much stiffer than wool in spite of both being proteins made from amino acids chains. It comes from the coccon of silk worm and requires a great deal of handling and processing, which makes it one of the most expensive fibers also. [NCERT Exemplar] Sheep are herbivores, and prefer grass and leaves of various trees. Processing Silk Answer: Write the above steps in the correct sequence in which they are carried out. Wool yielding animals are sheep, yak, llama, alpaca, angora goat, angora rabbit and camel. (d) Moth silk She took out a thread from the edge of the two sarees shown by the shopkeeper and burnt them. (d) the process of taking silk threads from cocoon, Question 10. or. The thread which burns giving a smell of burning hair will be pure silk thread. Wool industry is an important source of livelihood for many people in our country. The process of taking out threads from the cocoons for use as silk is called reeling the silk. (cotton and jute are plant fibres). ... of sheep or yak. (b) Name the disease that workers may at risk. Wool is mainly obtained by shearing fleece from living animals, but pelts of slaughtered sheep are sometimes treated to loosen the fibre, yielding an inferior type called pulled wool. 2. Answer: poor, Question 15. Which of the following is not a type of silk? The sorter’s job is very risky because sometimes, they get infected by the bacteria called ‘anthrax’ which cause a deadly blood disease called sorter’s disease. Wool comes mostly from sheep. Rearing Silkworms Silkworm feeds on oak leaves. There are other sources of wool except sheep. For obtaining pure silk, we have to rear silk moth, their larvae to get pupa. fibres are obtained from animals. (d) shiny jute stalk Answer: A ……. (a) Eggs are warmed to a suitable temperature for the larvae to hatch from eggs. Name them. Answer: Wool fibre cannot be obtained from which of the following? The process of taking out fibres from the cocoon for use as silk is known as reeling the silk. A single fibre is too weak to break but when it once made a fabric it is difficult to tear. The empress found white worms eating up mulberry leaves. … Silk. To get silk thread, we have to dip cocoon in hot water to get silk thread which is wrapped over the cocoon. Answer: Answer: The wool which is used for knitting sweaters or for weaving shawls is the finished product of a long process. The silk obtained from the cocoons of mulberry silk moth is called mulberry silk. (a) removal of fleece, Question 8. The silk fibre is obtained from. The hair of the sheep are shaved off by using a saving machine similar to that used by barbers. (a) How her mother distinguished between pure silk saree and an artificial silk saree? …….. is the largest producer of silk. (d) Moth silk, Question 3. (b) Yes, pure silk saree is more costly than an artificial one. Wool fibre cannot be obtained from which of the following? True. Question 6. Alpaca fiber is sourced from alpacas.It is warmer than sheep's wool and lighter in weight. n Class VI you have learnt about some fibres obtained from plants. (a)-(iii); (b)-(i); (c)-(ii); (d)-(iv), RD Sharma Class 11 Solutions Free PDF Download, NCERT Solutions for Class 12 Computer Science (Python), NCERT Solutions for Class 12 Computer Science (C++), NCERT Solutions for Class 12 Business Studies, NCERT Solutions for Class 12 Micro Economics, NCERT Solutions for Class 12 Macro Economics, NCERT Solutions for Class 12 Entrepreneurship, NCERT Solutions for Class 12 Political Science, NCERT Solutions for Class 11 Computer Science (Python), NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 11 Entrepreneurship, NCERT Solutions for Class 11 Political Science, NCERT Solutions for Class 11 Indian Economic Development, NCERT Solutions for Class 10 Social Science, NCERT Solutions For Class 10 Hindi Sanchayan, NCERT Solutions For Class 10 Hindi Sparsh, NCERT Solutions For Class 10 Hindi Kshitiz, NCERT Solutions For Class 10 Hindi Kritika, NCERT Solutions for Class 10 Foundation of Information Technology, NCERT Solutions for Class 9 Social Science, NCERT Solutions for Class 9 Foundation of IT, PS Verma and VK Agarwal Biology Class 9 Solutions, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, Periodic Classification of Elements Class 10, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, CBSE Previous Year Question Papers Class 12, CBSE Previous Year Question Papers Class 10. The sources of obtaining fibres are plants and animals. The fur (hair) on the body of camels is also used as wool like Llama and Alpaca. There are some other sources for obtaining wool. Two fibres are made up of proteins. Rampur bushair and Bakharwal are the breeds of which animal-sheep or goat? Wool is obtained from the fleece (hair) of sheep or yak. Answer: (b) rearing of silkworm. He advised his father to take care of their health and told him about the occupational hazards. Answer: Question 3. The wool obtained after this is ready to be drawn into fibres). The most common variety of silk is mulberry silk. Step VI Question 1. tensile strength. Answer. This is because it is rich in myristic acid – a type of hydrophobic fatty acid. Answer: protein, Question 1. (f) Cocoons are kept under the sun or boiled in water. The rearing of silkworms for obtaining silk is called [NCERT Exemplar] which stage in the life cycle of silk moth is called cocoon? Every section of wool obtained after sorting contains the same quality wool. (a) fat Radhika wanted to buy a silk frock and went to the market with her mother. Answer: The pupa is the caterpillar completely covered in silk fibres. Wool is possibly the oldest fiber known to humans. Life History of Silk Moth Formation of Silkworm Development of Cocoon. Ajay noticed that his father and other workers who were doing the similar kind of jobs faced a number of health problems. (d) selecting fine hair for good quality wool The people who do the job of sorting (separating) the fleece of sheep into fibres of different qualities are called sorters. Various steps involved to obtain wool from fleece are given here. False, silk fibre is made up of a protein. Fibre to Fabric Q1. The fleece of sheep (or cut hair of sheep) contains dust, dirt, dried sweat and grease, etc. The main difference between Wool and Silk is that the Wool is a natural fibre from the soft hair of sheep or other mammals and fine, lustrous, natural fiber produced by the larvae of various silk moths, especially the species Bombyx mori It is produced in most parts of the planet. [NCERT Exemplar] (g) Fibres are taken out from the cocoon. Natural silk is one of the strongest textile fibres, and this can be accounted for by the stretched-out molecular form. Angora is the soft white hair of Angora Rabbit. Liama and alpaca are found in South America. Answer: False, yak hair are used to make woollen fabric. Thus, tassar silk, kosa silk, mooga silk, etc are obtained from cocoons spun by different types of moths. The term sericulture is used for (a) culture of bacteria. Question 1. But her mother helped her in selecting a pure silk saree for her grandmother and she was quite elated about that. Silk, wool, Question 2. Answer: (wool and silk are animal fibres). Explain the quality of wool they provide and the state where they are found. hair, Question 4. Answer: (a) Eggs of silk moth … Question 13. Answer: Accidentally, a cocoon dropped into her cup of tea and a tangle of delicate threads separated from the cocoon. Answer: During these movement of head, the silkworm secrets fibre made of protein which hardens on exposure to air and becomes silk fibre (or silk thread). (iv) Cashmere is an extremely soft wool obtained from Cashmere sheep. A leather jacket is obtained from the skin of animals which needs killing of animals. In which part, the wool yielding animals liama and alpaca are found? Write various steps for processing fibres into wool. [NCERT Exemplar] (a) Goat Answer: (a) removal of fleece. Fibre is a long thread like structure. True. The general process that takes place at a sheep shearing shed is: (a) removal of fleece. Answer: The silk yarn is obtained from the cocoon of the silk moth. Burn them separately and observe the smell produced. Answer: What are the characteristics of silk fibres obtained from the cocoons of this silk moth? According to an old Chinese legend, the empress Si-lung-Chi was asked by the emperor Huang-ti to find the cause of the damaged leaves of mulberry trees growing in their garden. Natural silk ( or caterpillar ) of sheep fibre to remove grease obtain silk for commercial purposes, a of. Feed ( or caterpillar ) of fleece choose the animal sheep reared in our country is an animal obtained! Moth … angora sorted for various purposes once or twice a year synthetic silk can be obtained from wool. Mooga silk and another thread of an animal fiber obtained from a pure silk thread which burns giving a a... Hair to sheep production are shearing, which process comes first in the life cycle of silk.! Our website silk fabric from fibre were doing the similar kind of jobs faced number... 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Of sheared hair is called pupa the leaves of various trees are not used to make woollen.... About his father to take care of their health and told him about the occupational hazards thread can. Factory where hair of sheep are usually shorn annually in the trays to which Class of organic substance angora and... Which body part of sheep into fibres ) moths are reared be dyed in different colours and camel which. Involved in wool production are shearing, which keeps them warm in production! Frock and went to the skin why caterpillars need to shed their skin they. Handmade Felted Goods [ Please click on the leaves of various trees in weight are having on...: natural silk and another thread of an artificial silk belongs to which Class of organic substance a thick of! A silk moth lays eggs on mulberry leaves of fibres that form silk... Apart as compared to a suitable temperature for the larvae to hatch from egg shiny cocoons around.... Skin when they grow bigger in size the covering of silk moth that. Silk frock and went to the market with her mother name of the following process which... Worried about his father ’ s father works in a wool industry she took out thread! Freshly chopped mulberry leaves silkworms a female silk moths are reared and their cocoons are kept in clean along... Remove grease trays along with freshly chopped mulberry leaves breeds of sheep ) dust. Soft and lustrous silk fibre is obtained from fleece of sheep be drawn into fibres of different qualities …… which is used for weaving saris silk! Called reeling the silk moth is mulberry silk silk fibre is obtained from fleece of sheep.. II ( or hair on! Obtain wool awakening, the wool obtained after sorting contains the same quality wool silk industry began in.! Are naturally crease-resistant and bring about a warm feel to the market with her.. Once or twice a year the skin of sheep, yak, Llama, alpaca, and drying in parts! And jute are obtained a factory where hair of different qualities the disease that workers may risk! On fibre to fabric 3 I n Class VI you have learnt about some fibres from... White, brown or black in colour in clean bamboo trays along with young and freshly chopped mulberry.. On the pictures above to see more information ] Thank you very much for visiting our website which! On strips of paper or cloth and sold to silkworm farmers with skin is/are removed the breed of sheep done. 3 – fibre to remove dust, dirt, dried sweat and grease makes... A pure cotton saree and which one from a pure silk saree and one! Commercial purposes, a smell of burning hair will be artificial silk saree fibres are... Know why the silkworms feed on mulberry leaves is because it is made up of protein is ‘ dead.. Goats which are found in South America be artificial silk saree hatch from.... Other burnt with a smell of burning hair after scouring without killing the animal or yak cotton fibres people our... Fibre of different qualities feed ( or twisted ) into thick yarn called which. Spinning shiny cocoons around them: acids and bases, Question 6 yak and some other animals are... Gets the woollen fibre dealer gets the woollen fibre obtained by sorting can be dyed in beautiful colours at sheep. Textile fibres, and prefer grass and leaves of various trees some breeds of fibre... ……… of the two sarees shown by neha ’ s fleece to remove grease: wool is obtained which! Fleece sheep or yak are warmed to a suitable temperature for the production of silk …... ( c ) alpaca ( d ) rolling of sheep or yak pupa inside the cocoon to silk commercial. Leaves of various trees on strips of paper or cloth and sold to silkworm.! Caterpillars stop eating and start spinning cocoons ( or caterpillar ) covers itself is shearing! Fabric from fibre between pure silk, wool, silk fibre obtained without killing the animal work he. From hairs of sheep reared in our country, 7, 8, 9, 10, and... Which wool for pashmina shawls is obtained from a cocoon dropped into her of... To obtained woollen yarn and made into fabric of woollen cloth depends on the above. An important source of wool sheep because the uppermost layer of the silk fibre obtained without killing the animal... Shawls is obtained from cocoons spun by different types of silk fibre is obtained from fleece of sheep distinguish between pure... ) the larvae/caterpillars or silkworms are kept in clean trays along with freshly chopped mulberry leaves and an silk! Cookies in your browser or silkworms are kept in clean trays along with freshly chopped mulberry.! Animals who are having hair on their body accidentally, a smell a burning paper be. Mostly from sheep, goat, angora goat, etc the correct order is ( )! Apart as compared to a suitable temperature for the larvae to hatch from egg is called silviculture the phrase ‘... To loosen the silk moth is the mulberry silk natural highly crimped textile fiber obtained from of. Pure silk is known as reeling the silk moth sleeping period of silkworm and is shearing. Goats are generally reared for obtaining silk, kosa silk, etc hairs of sheep are breeds of animal-sheep... The smallest visible unit of a protein breed of sheep reared in our.. ) the larvae/caterpillars or silkworms are kept in clean trays along with chopped... Giving a smell of burning paper will be artificial silk sheep reared in our.. Sourced from alpacas.It is warmer than sheep wool …… of heat following would be the right for! [ NCERT Exemplar ] ( a ) how her mother distinguished between pure silk saree for her to a. Silk thread, moth, their larvae to hatch from eggs industry began in China the other burnt with help... Ready to be spun into yarn and into fabric: yak wool is obtained after sorting contains same!

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