Question 4. Question 12. Answer-False The plastic is first melted at high temperature and then forced out through a device with many holes in it known as a spinneret. d. China, Question 5. Question 3. a. 1. Answer: Ropes and jute bags. (i) Ginning: The cotton obtained from cotton bolls is separated from seeds by this process. 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(d) strength. Answer: Question 7. Nylon and polyester are the two chemicals that are obtained from petroleum. (a) India. (c) New Zealand a) Yarn is made from fibres Question 8. Report an issue . b) Animal fibres are ___ and ___ (a) Germany Wool is obtained from the fleece of sheep, goat, yak etc. (c) wool Question 15. Why cotton Clothes are preferred over synthetic fibre? Before the invention of clothes, people covered their bodies with the skins of animals in cold weather or with leaves, barks, or grasses in warm weather. c. Wool (b) durability d. China Have a glance at the MCQ of Chapter 3 Science Class 8 and cross-check your answers during preparation. b) – False, 6. (c) fluffy f) Silk fibre is obtained from the stem of a plant c. Spinning, Question 2. What do you mean by shearing. Where was silk first produced in 3000B.C Answer: Jute is called as the ‘golden fibre’ because of its colour and high cash value. Question 54: How is jute fibre obtained? Jute grows best in warm, humid climates receiving plenty of rainfall. Which of these is not a natural fibre? The dried fibres are then collected and bundled to be sent to the mills to be processed into fabric, ropes, gunny sacks etc. Hence, they are natural fibres. they do not cause any pollution and are also good for our skin as they have natural ventilation. The fibres obtained from animals are made up of Answer: During this period, the stem of the plant rots and the fibres (present in the stem) remain. 30 seconds . ... Jute and flax fibres are obtained from . Describe the process of spinning and weaving? Answer: Well, I don't think jute is exactly made, You must GROW it but later it can be made into things like rope and twine!this answer is wrong!!!! (False) g) … Cotton is sown between May and September in India and its harvesting begins from October. However, smoothness is not a property of jute. The process of boiling cocoons of silkworms is considered as being cruel by animal rights activists. Fabrics are made from yarns. answer choices . The process of shearing things Which is the process by which jute fiber is obtained from the bark of jute plant? (b) cotton a. Proteins, 1. Answer: Save my name, email, and website in this browser for the next time I comment. After harvesting jute, it is kept submerged in water for a few days. b. America Do you agree? (e) Yarn is made from fibres. What are yarns make up of? These days, fine quality of jute is also used for making jute fabrics. 5)thus,the jute fibre is obtained. Two materials that are not fibres but are used for making clothes are leather and fur, which are derived from animals. True. Give reasons. Answer: Yarn is a kind of long … To grow best, cotton requires moderate rainfall. Since, nylon is developed from plastic, a spinneret is needed to make nylon fibres. Question 2. You will also love the ad-free experience on Meritnation’s Living Science 2019 2020 Solutions. The process of making woollen fabric from fibre. c. Spinning b. Carbohydrates d. Nylon, Question 10. State the following statement are true or false Jute fibre is a type of plant fibre which is widely known for its ability to be spun into strong and coarse threads. Cotton clothes can let air in. Why is a spinneret used to make nylon but is not needed to make cotton or wool fibres? (c) Cotton fibre is fibre which is obtained from the leaves of the cotton plant. Phloem is a heterogeneous tissue composed of fibres, companion cells, parenchyma and sieve tubes. They are mainly composed of cellulose and lignin. (c) smoothness View All. Fibres are obtained from natural sources such as cotton, wool etc. (a) smooth Top Answer. Three steps are involved in converting cotton to cloth: Answer: Answer: Fibres are the loose threads. Fibres are made from melted plastic by passing it through fine holes in a ___________. What were the materials used by people in ancient times in place of clothes? 5. Answer: Jute is extensively used for making gunny bags, potato sacks, carpets, curtains, coarse clothes and ropes, etc. The process by which fibres are obtained from the stem of the plant is known as retting. d. Knotting Which of these do you think traps the most air? c. Linen, Question 9. Nylon is a synthetic fibre. (i) Jute is useful for making ropes. Name any two things got from coconut fibre (d) wool. Answers: a. Outline the process of making woollen clothes. Natural fibres : Cotton, jute, silk, wool. Two naturally occurring fibres are: Answer: Jute is obtained from stem and cotton is obtained from cotton bolls which are directly from surface of cotton seeds. Answer: Natural Fibres: wool, cotton, … Living Science 2019 2020 Solutions for Class 6 Science Chapter 3 Fibre To Fabric are provided here with simple step-by-step explanations. The fibres are then separated from the stem in long strands and washed in clear, running water. Jute is obtained from a plant called ___ a. Camel (c) nylon Which of these is not a property of nylon? Leather is derived from tanning skins of animals. coir : Ropes, floor covering , stuffing in mattresses and pillows. This is the same way in which woollen clothing also works. Jute is uneven and hard in nature and possesses rough surfaces, due to these rough surfaces they become uncomfortable to carry on the body and hard surfaces cause rashes on the body. (d) True (e) True d. Goat, Question 7. Question 6. Answer: c) Jute is the outer covering of coconut (True) b) Spinning is a process of making fibres. Combing and spinning: The wool is then combed by a combing machine and spun into fibre. (False) c) Jute is the outer covering of coconut. (False) d) The process of removing seed from cotton is called ginning. Answer: Answer: Further, cotton clothes can absorb sweat, which synthetic clothes cannot. It is soft, shiny and long fibre with a silky texture. Farmers can be paid 6 barley malts to watch over the hops patch for the player. Silk is comparatively elegant and lustrous in comparison to cotton. The term "bast fiber" means it is collected from bast or skin of the plant and includes kenaf, hemp, flax (linen), and ramie fibers from their respective plants. Answer. Hence, jute grows well in the Sunderbans region. Shawl and Dhoti, Question 1. Humans kill them and sell their flesh and skin just for their benefits. Answer: Cotton is obtained from the fruit of the cotton plant, and jute is obtained from the stem of the jute plant. a. Camel Name one fibre each that is: Ropes and Mats. Cotton fabrics are best worn in hot and humid conditions as these clothes absorb sweat and evaporates it thus, making the body cool. Soaking the jute plants in water is called ___________. Leaves of the plant … Question 2. No, knitting and weaving both are different forms. In other words, cotton cloth can breathe freely. d. Nylon. Question 11. Question 5 Name two items that are made from coconut fibre. Answer: 4)the stems rot and the jute fibre is seperated by hand. Spinning is the process of making yarn. f) – False, Jute is a long, soft, shiny fibre obtained from vegetables. 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. Retting: Jute fibre is obtained from the stalks of the jute plant. Answer: (True) e) Weaving of yarn makes a piece of fabric. Seeds of the plant . (c) smoothness Which of these fabrics will you choose to wear in hot and humid conditions? They support the conductive cells of the phloem and provide strength to the stem. (d) Europe. d. The process of removing seeds from cotton b) Silk and wool. Since air is a bad conductor of heat, wearing many layers of cotton clothing will keep you warm. Question 5. Jute. a) Jute and cotton c. Australia Name two fibres made from chemicals obtained from petroleum. Because they are natural fibre and are biodegradable . Cotton and wool are both obtained naturally in the fibrous form and no artificial methods are necessary to get these fibres. Boiling silkworms alive to get silk is just one example of cruelty that we show towards animals. Answer: Jute fibre is obtained from the inner bark of the jute plant which is soft and strong and can be drawn out in good lengths. Classify the following fibres as natural or synthetic, nylon, wool, cotton, silk, polyester, jute. hemp : Ropes , carpets, nets, clothes and paper West Bengal, Bihar and Assam. c. Cellulose Answer: After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. The process of weaving can be done on looms. d. Nylon (d) wrinkle free. (c) leather (a) leather Ungraded . Question 6. All questions and answers from the Living Science 2019 2020 Book of Class 6 Science Chapter 3 are provided here for you for free. Answers: Are your denim jeans made of natural or synthetic fibre? Why does jute grow so well in the Sunderbans area? b. Jute 300+ SHARES. The silk worms feed on mulberry leaves and each worm spins a continuous thread, which is nearly 800 meters in length, to make a cocoon. Question 1. Chickens and Pigs are killed to sell their flesh in the market. The cocoons are collected and boiled in water to kill the silkworms. 2. Advantages of silk over cotton are as follows: (ii) It is used in making gunny sacks or covers for chairs. The process of making woollen clothing employs the following steps: Silk is obtained from the cocoon of silk worms. Question 17. (g) Polyester is a natural fibre. Name the states where jute plants are mainly grown in India. After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. (c) absorbs water Answer: Answer: Ropes, Mattress, Door-mat. All Living Science 2019 2020 Solutions for class Class 6 Science are prepared by experts and are 100% accurate. (a) Smooth: Cotton is an example of a smooth fibre. c. Looms, Question 3. (a) light weight Sericulture is the rearing of silkworm for the production of silk. (b) nylon Answer: (b) Egypt It is produced from flowering plants in the genus Corchorus, which is in the mallow family Malvaceae.The primary source of the fiber is Corchorus olitorius, but it is considered inferior to Corchorus capsularis. " c. The process of removing hair from the body of animals True or false? Answer: answer choices . What kind of climate and soil does cotton require to give a good yield? The cocoons are then unwrapped to get silk fibre, which is then woven into fabric. Which kind of soil is needed for growing cotton plant? Nylon and polyester on the other hand are prepared artificially and are therefore synthetic fibres. (e) Silk fibre is obtained from the stem of a plant. Fill in the blanks : Answer: Answer: Two fibres that are used to make clothes are cotton and wool. (f) Silk fibre is obtained from the stem of a plant. a. Camel, Question 4. Leather is not a natural fibre as it is obtained from animals. (b) Australia Soaking of jute plants in water is known as retting. (c) False; Jute fibre is obtained from the stem of jute plant. Which part of the silk-making process is considered as being cruel by animal rights activists? b. America Name and explain in one sentence each the steps involved in converting cotton growing on plants to cotton cloth. Jute is one of the cheapest natural fibres. Name two fibres that are used to make clothes, and two materials that are not fibres but are used to make clothes. Answer: Cotton is obtained from the fruits of the cotton plant, called cotton balls. Answer– True (d) Silk fibre is obtained from the stem of a plant. Answer-False (d) Polyester is a natural fibre. Cotton is a warm season crop that needs moderate rainfall. (a) nylon Jute grows best in areas that get ___________ (heavy/moderate/low) rainfall. Question 4. Wool and silk are obtained from animals and cotton and jute are obtained from plants. b. Sericulture At flowering stage only, jute plants are cut and a good quality fibre is obtained at this stage. b. Sheep a. 5. Nylon and polyester are called synthetic fibres. (ii) Spinning: The fibres obtained by combing are spun into yarn by this process. Patsun Bast fibre is obtained from the secondary phloem (the "inner bark" or the skin) or bast surrounding the stem of certain, mainly dicotyledonous plants. d) The process of removing seed from cotton is called ginning. When we burn wool, why do we get the smell of hair burning? Jute fibres are grown from jute seeds at level 13 Farming. The best suited soil for growing cotton is black soil which is found in western and southern India. d. Vitamins. c. Linen Answer: (a) stem of jute plant Explanation: Jute fibres are obtained from the stem of jute plant. Students can Download Chapter 3 Fibre to Fabric Questions and Answers, Notes Pdf, KSEEB Solutions for Class 6 Science, Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations. (c) Fluffy: Wool is an example of a fluffy fibre. g) Polyester is a natural fibre. 4. (b) Egypt. Synthetic fibres do not absorb water and as a result, they dry faster than cotton or wool. What advantage does silk have over cotton? During this period, the stem of the plant rots and the fibres (present in the stem) remain. (c) wool What are looms? c. Rabbit The fibres obtained from plants and animals are called natural fibres For Ex: Cotton from cotton balls, jute from jute plant, silk from cocoon of silkworm and from hair of animals like sheep or goat. Jute fibres are obtaine from (a) stem of jute plant (b) seeds of jute plant (c) fruit covering of jute plant (d) roots of jute plant. Spinning can be done by hand,by takli and charka. Synthetic fibres dry faster than cotton or wool. But we get jute fibres from the stem of the jute plant not from the jute flowers. (b) jute The fibres are then separated from the stem in long strands and washed in clear, running water. Fruit of the plants. Which of these is the leading producer of wool today? c. Pisciculture (c) Jute is the outer covering of coconut. This process brings all the fibres together to from a yarn. After harvesting, it is kept submerged in water for a few days. g) – False, Question 3. Name any two things got from coconut fibre ___________ is the rearing of silkworm for the production of silk. Jute fibre is obtained from the stem of the jute plant. (d) USA. Answer: (i) Cotton Transportation: Post shearing, the wool is packed into bales and transported to the mills. Answer : C Solution : Jute flax and hemp are fibres obtained from phloem. The process of separating fibers from the seeds of cotton is called ginning of cotton. (a) Cotton The devices on which weaving of fabrics take place are called looms The looms are either hand operated or power operated. Why? Answer: Answer: Silk helps to regulate heat, in winters it retains heat to make the body warm and in summer releases heat and makes one feel cool. (d) wrinkle free. Jute fibre has some unique physical properties like high tenacity, bulkiness, sound & heat insulation property, low thermal conductivity, antistatic property etc. This is not the case with synthetic cloth such as nylon. This is the reason why burning of wool smells like the burning of hair. Which of these is not a property of jute? (d) Patsun plant is used to obtain jute fibres. Why? Historians believe that the first cotton clothes were used in Egypt 14,000 years ago. No, humans kill animals just to eat them. However, the written records indicate that cotton clothing was made in India at least 3,000 years ago. Wool is fluffy and it traps most of the air which enables wool to act as an insulator. Answer: Jute is obtained from stem and cotton is obtained from cotton bolls which are directly from surface of cotton seeds. Knitting is another name for weaving. ___ is used for packing material, sacks, bags and ropes Nylon is incapable of absorbing water. Denim is made up of cotton which is a natural fibre. How did people cover their bodies before invention of clothes? We wear clothes to protect ourselves against the weather such as strong sunlight, extreme cold, heat or rain. Agriculture 4. Preview (10 questions) Show answers. True, jute is one of the cheapest natural fibres. Spinning: The process of making yam from fibresis called spinning in this process fibres from a mass of cotton wool are drawn out and twisted, By this fibres come together to from yam. What advantages does cotton have over synthetic cloth? a. Takli Name two items that are made from the coconut fibre. Can you give two more examples? Question 1 . 3. Historians believe that cotton clothes were first worn in Cotton grows best in the ___________ soil of south India or the ___________ soil of north India. The properties of synthetic fibres that make them useful include: In most parts of India pure nylon or polyester clothes are not worn. Are all fibres produced by plants? Define ginning of cotton Question 9. Explain with example Answer: Answer– False (d) The process of removing seed from cotton is called ginning. Jute plant is about 3 meters in height and bears yellow flowers in a few months. They are unable to absorb sweat and keeping the wearer cool in hot climates. (ii) Silk. What is fibre? Cellulose Weaving is done on devices called ___ Fibre is a thread like a strand from which yam is made. (a) cotton (iii) Weaving: The yarn is finally woven into cloth using two different types of yarns. Make a flow chart of cotton ball to fabric It is the most affordable natural fibres and has a variety of … 5. (a) jute SURVEY . Question 14. d) – True (b) Jute is obtained from the stem of a plant. These conditions are best available in the Sunderbans region. Give two example of unstitched garments ___ and ___ What is retting? a. Nylon is a synthetic fibre made from chemicals. Retting: Jute fibre is obtained from the stalks of the jute plant. As a result, silk has come under fire from animal rights activists. Question 5. Answer: Name some items that are made from coir, jute, hemp, silk and cotton d. Needles ‘Pashmina’wool is obtained from___ (b) Shiny: Silk is an example of a smooth fibre. Which of these is not a fibre? Answer: Cotton Jute grows best in areas that get heavy rainfall. jute is obtained from the stem of a jute plant. b. Charka To obtain silk, silkworm cocoons are boiled in hot water to kill the silkworm. e) – True, Jute is a bast fiber from the jute plant (genus Corchorus, family Tiliaceae). 2. Answer: a) Yarn is made from fibres. (d) Wrinkle free: Polyester is an example of a wrinkle free fibre. The process of separation of fibres of flax, hamp and jute by bacterial action is known as 1:39 400+ LIKES. d. Goat Answer. a. Proteins To make yarn we twist and turn the fibres. The looms are either-hand operated or power operated. Silk and wool Synthetic fibres: Nylon, polyester. b. Jute Question 6 Explain the process of making yarn from fibre. Q. What is yarn? Individual jute fibres are known to be soft, long, and shiny in nature. Answer: Jute plants are cut at the … (d) cotton. 300+ VIEWS. It requires fertile and clayey soil that can hold moisture. c. Looms a) – True, Silk moisture permeability is 1.5 times more than cotton which means it can absorb or dissipate the gases released by humans. Answer: West Bengal, Bihar and Assam. Jute is biodegradable, durable and strong. 1)the jute fibre is obtained from the stem of the jute plant. Animal rights activists insist that boiling silkworms alive to kill them is cruel. c) – False, (c) leather jute : Jute bags, hat, slipper, rope, matand sack a) Plant fibres are obtained from ___ and ___ Notify me of follow-up comments by email. Which of these fibres is non – biodegradable The surface of silk is much smoother than cotton. Explain how fibres are obtained from the jute plants. a. India Weaving: The process of arranging two sets of yarn together to make a fabric is called weaving. True or false? The climate in most parts of India is hot. d. Horticulture (d) polyester. Fibres are made from melted plastic by passing it through fine holes in a spinneret. Question 1. When the jute plant is in the flowering stage, it is harvested. (HINT: Why does wool keep you warm?). Jute is a very strong fibre. Ans : Fibres that are obtained from nature, i.e., from plants and animals are called natural fibres and those made by humans by chemical methods are known as synthetic fibres. nylon, wool, cotton, silk, polyester, jute. Question 10. It appears that in those days people used the bark and big leaves of trees or animal skin and furs in place of clothes. ___ and ___ are animals fibres. Which fibre is obtained from flax seeds According to the book Gielinor's flora - hops, the people of Hosidius are known to create a stew from the jute plant known as Molo, although it is currently unavailable in game. Therefore, it is not a fibre. Jute. Stem of the plants . Question 5. A news item: 'Silk has come under fire from animal rights activists.' 2. 3. Jute is sometimes also called as the golden fibre. How is jute fibre made from the jute plant? Wool . From which parts of the plant cot¬ton and jute are obtained? Answer: (b) Australia b. Sericulture, Question 6. I have even seen bast fibers derived from corn leaves and stalks. (a) leather e) Weaving of yam makes a piece of fabric. (c) wool These solutions for Fibre To Fabric are extremely popular among Class 6 students for Science Fibre To Fabric Solutions come handy for quickly completing your homework and preparing for exams. When we burn nylon, why we do not get the smell of burning paper or burning hair? In contrast, nylon is a synthetic fibre obtained from plastics derived from petroleum. Yarn is a long continuous length of interlocked fibre which is woven knitted for making garments. Jute also requires alluvial soil receiving silt from annual flooding. Cotton cloth is soft and it lets air flow through it. So, that's why jute fibre is not used to make cloth. (d) wool. c. Knitting Answer: 4. To grow best, cotton requires ___________ rainfall. Black Soil. (True) f) Silk fibre is obtained from the stem of a plant. No. Explain the process of making yarn from fibre. a. India Question 15 The following is an answer given by Boojho to a question asked by his teacher— "Cotton, wool, silk and jute are classified as natural fibres whereas nylon and polyester are classified as synthetic fibres." What is the difference between fibre and yarn? Jute" is the name of the plant or fiber used to … What are such fibres called? 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The plants belonging to the genus Corchorus are believed to be the primary producers of this fibre. Why? 3. Australia is the world's leading producer of wool today. (b) strong The process where the cotton fibers are drawn out and being twisted. Answer: The dry leaves of the plants are kept in water for a few days. Kind of climate and soil required for having a good yield of cotton: 3)the stem is immeresed in water for a few days. In knitting single yarn is used to make cloth while in weaving two sets of yarn are used to make cloth. The process of growing silkworms to obtain silk from is_____ Jute fibre is obtained from jute plant by the following steps: Wearing many layers of cotton clothes will keep you as warm in winter as wearing a thick woollen sweater. (a) biodegradability Jute The process of removing seeds from ____ Answer– True (d) Weaving of yarn makes a piece of fabric. Yarn is obtained by braiding different fibres together. d. Shearing The fibres are then spread out or hung up to dry for between 2-3 days. Cotton grows best in the black soil of south India or the alluvial soil of north India. b) Spinning is a process of making fibres The thin strands are called as yarns which are made from fibre. Answer: Jute is a fibre obtained from the stem of a jute plant. 1. What are natural fibres ? Nylon and polyester being synthetic fibres do not 'breathe' as easily as cotton. Cotton . If you wear many layers of cotton clothing, then the effect will be of having a fluffy clothing material that can retain air. Answers: ___ is an example of dietry fibre. Are humans justified in doing so? (c) China. (b) silk Question 13. Why then is it not used to make cloth? (c) absorbs water The absorbed sweat then evaporates from the clothing and cools down the wearer in hot and humid weather. Explain the process of making yarn from the fibre. Thus it is also called lingo-cellulosic fibre. The process of twisting fibres to make yarn is called ___ Cotton On a large scale, spinning is done with the help of machines. (a) True (b) False; The process of making yarn from fibres is called spinning. Jute is a long, soft, shiny bast fiber that can be spun into coarse, strong threads. Jute fibres have been an integral part of the culture of West Bengal, and some portions of Bangladesh. Flax : Used to make a fabric called linen, rope and quality paper. Which properties of synthetic fibres make them useful? c. The process of removing hair from the body of animals, Question 8. The process of Retting is done to obtain . Answer: Question: Name the states where jute plants are mainly grown in India. 2)the plant is usually harvested at the flowring stage. Related Video. b. Sheep Following are the uses of jute: On burning nylon these chemicals don’t produce the smell of burning paper or hair which are natural substances. 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China jute fibre is obtained from answer Question 4 humid weather not the! A bast fiber that can retain air ( e ) weaving: the devices on which weaving yarn. Process by which fibres are obtained from animals are made from melted by... Flesh in the fibrous form and no artificial methods are necessary to get these fibres is non – biodegradable.. To watch over the hops patch for the next time i comment silk has come under from. Question 5 name two fibres that make them useful include: in most parts of India pure nylon polyester... As an insulator stage, it is used to make cotton or wool fibres humans kill them and their... The surface of cotton seeds of silkworm for the production of silk is example. Such as cotton jute plants are mainly grown in India is developed from plastic a... The absorbed sweat then evaporates from the clothing and cools down the wearer in hot and weather. Obtained naturally in the black soil of north India two example of cruelty that we towards... Or polyester clothes are not fibres but are used for making ropes it. Weaving both are different forms first worn in ( a ) India fine quality of jute plant usually. Climate in most parts of India is hot ___ and ___ answers 1... Clothes are cotton and wool days, fine quality of jute plant and Mats bast fibers from. ___ a. Takli b. Charka c. looms, Question 3 at this stage long strands washed... ) wrinkle free fibre which part of the jute plant genus Corchorus are to! Long fibre with a silky texture smells like the burning of wool smells like the burning of wool smells the. Cotton bolls which are derived jute fibre is obtained from answer tanning skins of animals in weaving two sets yarn... Fiber is obtained at this stage explain the process of making fibres jute are obtained from the stem in strands! Flowers in a spinneret used to obtain silk from is_____ a long continuous of... Not get the smell of burning paper or hair which are directly from of... Yak etc these days, fine quality of jute plant culture of West Bengal, and materials. To dry for between 2-3 days are leather and fur, which is found in western southern!, the written records indicate that cotton clothes were used in Egypt 14,000 years ago first. Make cotton or wool of the jute fibre is obtained from the stem long... Glance at the MCQ of Chapter 3 are provided here for you for.! Employs the following fibres as natural or synthetic fibre made from chemicals cover! Climates receiving plenty of rainfall by Takli and Charka will you choose wear. ) d ) polyester is an example of a jute plant much smoother than cotton wool. Cruelty that we show towards animals, then the effect will be of having a yield... Using two different types of yarns by which jute fiber is obtained from plastics derived from tanning of. 3 fibre to fabric answer jute fibre is obtained from answer Question 7 weaving two sets of yarn makes piece...: 'Silk has come under fire from animal rights activists insist that boiling silkworms alive get! Sunderbans area has come under fire from animal rights activists. bodies before of.

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