After the fabric is formed, it is generally subjected to finishing and/or dyeing process, in How? Silk fibres are obtained from the silkworm and the process of obtaining silk from the silkworm is called sericulture. Jute is obtained from the stem of jute plant. Jute fabric is a type of textile fiber made from the jute plant. At flowering stage only, jute plants are cut and a good quality fibre is obtained at this stage. During this period, the stem of the plant rots and the fibres (present in the stem) remain. In this process,fibers from a mass of cotton wool are drawn out and twisted. f) Silk fibre … Question 7. Answer: Jute plants are cut at the flowering stage when plants are 8-10 feet high. Guru5061 Guru5061 09.06.2020 Hindi Secondary School +5 pts. fiber. Ask your question. These are called coconut fibres. Q.2: State whether the following statements are true or false: a) Yarn is made from fibres. This is known as ginning. Cotton, wool, silk and jute are some natural fibres, while nylon and polyester are some examples of synthetic fibres. (iii) Jute is the outer covering of coconut. This brings the fibres together to form a yarn. Simple theme. Nowadays, fibre is obtained from the fibre plant. e) Weaving of yarn makes a piece of fabric. To extract the fibres from the stem, the process is carried out in the following stages : Retting Retting is a process in which the tied bundles of jute stalks are taken to the tank by which fibres get loosened and separated from the woody stalk. Jute fibres are naturally glued together by a sticky or gummy substance. 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. " Then the displaceme... Part (1)               Question 1. In India, jute is grown in West Bengal, Bihar and Assam. Find the position, nature, and magnificationof the image The process of making yarn from fiber is called spinning. Ans :The process of making yarn from fibres is called spinning. Cotton and jute are examples of fibres obtained from plants. b) Spinning is a process of making fibres. Sorting Materials into Groups : CBSE - NCERT Clas... Fibre to Fabric. Can you give four examples of such clothes. Jute Fibre: Jute fibre comes from jute Questions with in the  Chapter  Page 100 ( CBSE Class IX ( 9th) Science Textbook - Chapter 8. The jute plant is normally harvested at flowering stage. Jute. About Jute plant. This site is using cookies under cookie policy. Give an example from the sources of animals fibres? What is a larva ? e) Weaving of yarn makes a piece of fabric. Answered Explain the process of obtaining jute and cotton fibre 1 See answer Guru5061 is waiting for your help. The coconut fibres are used for making ropes and mats.The common name of coconut fibre is coir. Ans : The process of making yarn from fibres is called spinning. my username id - noneed_ofname21. What is the secret that Meena shares with Mridu in the backyard? Final separation of the fibre is accomplished by a breaking process in which the brittle woody portion of the straw is broken, either by hand or by passing through rollers, followed by the scutching operation, which removes the broken woody pieces (shives) by beating or scraping. This process saponifies the natural waxes on the fiber and the rest of the plant is softened. Ask your question. Retting, process employing the action of bacteria and moisture on plants to dissolve or rot away much of the cellular tissues and gummy substances surrounding bast-fibre bundles, thus facilitating separation of the fibre from the stem. Wool. 2. In multi-... Download : Vasant Part-1 Textbook of Hindi For Class VI Vasant Part-1 Textbook of Hindi For Class VI, Copyright © 2011-2014 www.cbsemaster.org, . c) Jute is the outer covering of coconut. Heat Chapter 5. The bundles are steeped in … A worker covers a distance of 40 km from his house to his place of work, and 10 km towards his house back. The silk fibres separate out. Jute fibre is used for making ropes and jute bags. Jute mainly grows in regions having alluvial soil which is found in the delta regions of the Ganges and Brahmaputra rivers. Plant fibres and animal fibres constitute the natural fibres. Join now. (True) b) Spinning is a process of making fibres. Answer: A pile of cocoon is used for obtaining silk fibre. Then they are hung up or spread on thatched roofs to dry. Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute. NCERT Solutions for Class 6 Science Chapter 3 Fibre to Fabric is given here in a simple and easy to understand way. Explain the process of making yarn from fibre. State whether the following statements are 'true' or 'false': (a) Yam is made from fibres . Process of Fibre Crops. This process is called retting. The life cycle of a silkworm begins from the: Stage 1-After mating, female silk moth lays around 200 – 300 eggs at a time. Explain sericulture how much time does it approximately take from the day of lying eggs by the silk moth to obtaining silk from it; Define reeling of silk; State the steps involved in the production of wool ; Write a brief note about anthrax? g) Polyester is a natural fibre. The jute bags are used as shopping bags that as well as for storing food grains. Physical Features Of India | Geography | Class 9th CBSE, CBSE Class 10th Science | Chapter 6. Weaving: Weaving involves making fabric by arranging two sets of yarn. Jute fibers can be derived from both the inner stem and the outer skin of the stalk. clothes. Then, the stem of such harvest plant are immersed in water for a few days so that they rot. Question 17. It is cultivated in rainy season. Explain how fibres are obtained from the jute plants. Ans. Earlier, ginning was done by hand, but nowadays, a machine is used. The crop takes 8- 10 months to mature but different varieties take different time to mature. Ans. Fill in the blanks: a) Plant fibres are obtained from_____ and Q.3. Thus, the jute plants are cut from the fields when they are in the flowering stage. CBSE Class 6th, 7th, 8th, 9th, & 10th | Help Guide | Solved Exercises | MCQs | Questions & Answers | Sample Papers. Fibre is extracted from the retted jute by hand, with jerks and pulls. The two common methods used for producing Fabrics are: Knitting. Lesson 3 : Taro’s Reward ? Obtaining fibre. The fibre is extracted from the stem of the jute plant by the process of retting. d) The process of removing seed from cotton is called ginning. LOJAS AS MELHORES LOJAS PRA VOCÊ E SUA FAMÍLIA. …, it is conventional measurement of length. For example, cotton fabric can be stitched into a cotton frock or a cotton kurta. Explain the process of making yam from fibre. The process where the cotton fibers are drawn out and being twisted. c) Jute is the outer covering of coconut. The stems of harvested plants are bundled and immersed in water for 10 to 15 days. Jute is grown in alluvial soil which is found usually in the Delta Region of the Ganges and Brahmaputra rivers. While there are a few different botanical varieties of jute, one of the main species used to make jute fabric is Corchorus olitorius (white jute). The process of taking out threads from the cocoon for … (b) it is a standard unit of measurement(e) Therefore, to obtain silk, the Koya is put into the boiling water, so that the silkworm which is inside it, ... - Silk thread is a protein fiber while cotton and jute yarn is cellulose. These days, fine quality of jute is also used for making jute fabrics. Jute fibre is produced abundantly in Bangladesh and hence, very cheap. This process softens the tissues and breaks the hard [pectin] bond between the bast and [Jute hurd] (inner woody fiber stick) and the process permits the fibres to be separated. Fibre to Fabric Chapter 4. State whether the following are true or false and correct the false statements: (i) Fibre is the basic unit of all fabrics. The fibres are then separated from the stem by hand. Join now. During this period, the stem of the plant rots and the fibres (present in the stem) remain.The process by which fibres are obtained from the stem of the plant is known as retting.These fibres can then be separated from the non-fibrous matter by hand. Silk fibre is drawn from the cocoon of silkworm. 2.13 Explain the process of making yarn from fibre. Wool is obtained from the fleece of sheep or goat. Components of Food : CBSE NCERT Class VI Science ... Food - Where Does it come from? ( a ) ગુજરાત ( b )રાજકોટ ( c ) ઉત્તરપ્રદેશ​, An object is placed in front of a concave mirror of focal length 20 cmat a distance of 10 cm. It is mainly grown in the rainy season. …, The surface temperature of the mercury reaches very high(about 420 degree Celsius).Give reasons​, amoeba reproduces bye which process?Explain​, Dimg khrab ho chuka h padh padh k. Aur Sheryl bhna vo pudina hota h podina nhi hota xd ​, SECTION-AQ.1) The hand span is an unreliable measure of length because(a) it varies from person to person. Answer: ... Cotton fibres are separated from seeds by combing and the process is called -¬ginning. These plants take nearly 3 months, to grow to an height of 12 to 15 ft, during season and then cut & bundled and kept immersed in water for "Retting" process, where the inner stem and outer, gets separated and the outer plant gets 'individualised', to form a Fibre. The cocoons are kept under the sun or boiled or exposed to steam. Knowing our Numbers:Page 2 Q. The fibres are then stripped from the stalks in long strands and washed in clear, running water. (iv) Silk is prepared from the stem of a plant. Log in. Wool and silk fibres are obtained from animals. There are two main processes of making fabric from fibre – weaving and knitting. Physical Features Of India | Geography | CBSE Class 9th Question 1. b) Spinning is a process of making fibres. b) Spinning is a process of making fibres. 1)the jute fibre is obtained from the stem of the jute plant. In this process, fibres from a mass of cotton are drawn out and twisted. Explain the process of obtaining silk from cocoon. (c) Jute is the outer covering of coconut. Spinning is the process of making yarn. The stems rot (the process is called retting) and fibres are separated by hand. NCERT Solution for Class 6 Science. Jute fibre is obtained only from the stem of the jute plants. Large supply of cheap labour is also necessary for growing and processing the jute fibre. After harvesting, it is kept submerged in water for a few days. 2.14 Today a number of unstitched fabrics are used by both men and women. The processing of silk from cocoons follows - Step1: Separation of the silk fibre from the cocoon. 1. True False: f. Silk fiber is obtained from the stem of a plant. (vii) Acrylic (viii) Jute 3. 1. The outer covering of coconut has also some fibres on it. The jute fiber is obtained from the retted jute by hand. Explain how jute is obtained from the jute plant. Jute is a long, soft, shiny bast fiber that can be spun into coarse, strong threads. 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 moth. Silk thread so obtained is woven into different types of cloths, i.e. The process by which fibres are obtained from the stem of the plant is known as retting . In this process, fibres from a mass of cotton wool are drawn out and twisted. Life Processes | Solved Exercises, CBSE Class X (10th) Social Science Sample Question Papers Summative Assessment II (SA-2), CBSE Class X (10th) English Sample Question Papers Summative Assessment II (SA-2), Continuous and Comprehensive Evaluation (CCE) - Frequently Asked Questions - FAQs. Posted on 7. november 2020 Udgivet i Uncategorized 7. november 2020 Udgivet i … Some machines combine breaking and scutching operations. Processing Silk: Extracting silk from the cocoon is called processing silk. Wool fibres come from sheep, camel, goat, and yak. 2.14.1 The Process of Making Fabric from Yarn; Class 6 Science Chapter 3 Important Questions 2020-21 . The fibers are first extracted by retting. (v) Polyester is a staple fibre. True False: d. The process of removing seed from cotton is called ginning. ... Two items that are made from coconut fibre are dresses and mats. Ans : Jute bags, ropes and Foot mats. When the jute plant is in the flowering stage, it is harvested. So we get all these from nature, while we obtain nylon, polyester from chemical processes. Explain the process of making plant from fibre on jute Ask for details ; Follow Report by Zithbear6330 04.09.2018 Log in to add a comment The fabric is stitched to make clothes. The fabric is stitched to make clothes. Preparation of yarn from fibres by spinning. This process brings all the fibres together to from a yarn. Machine unwinds the silk thread from cocoons. Meena ... Chapter 1. Why did the king want to know answer to three questions? (d) people do not measure properly with it .IM​, Hi guys how many of u use snapchat 6. This process is called retting. These fibres are converted into yarns to make fabrics (Fig). A process called retting is used to remove the non-fibrous material from the stem and skin of the jute stalk. 3)the stem is immeresed in water for a few days. 1. Jute fiber is being dehydrated in sunlight after natural or microbial retting Retting is the process of extracting fibers from the long lasting life stem or bast of the bast fiber plants. The process of taking out threads from the cocoon for use as silk is called _____ the silk. Jute fiber is obtained from the stem of the jute plant. Retting softens the stalks and makes it possible to separate the fibrous material from the unusable material by hand. Answer. (False) c) Jute is an outer covering of coconut. Processing techniques and color applications also influence the value of cotton fiber identifications. True False: c. Jute is the outer covering of coconut. Add your answer and earn points. Class 6 Chemistry Fibre to Fabric: Jute: Jute. You can specify conditions of storing and accessing cookies in your browser, Explain the process of obtaining fabric from fibre​, rostsOn achart paper. The cocoon are kept under the sun, boiled water or exposed to steam. Jute fibre has silky texture. Jute is extensively used for making gunny bags, potato sacks, carpets, curtains, coarse clothes and ropes, etc. As these separate, the pectins and other non-cellulosic materials are suspended and washed away. Motion ) Question 1. After harvesting, it is kept submerged in water for a few days. Lesson 2 : How the Dog Found Himself A Master ? Silk yarns come from the cocoon of the silkworm. When the jute plant is at its flowering stage, it is harvested. (ii) Filament are short fibres. Chapter 1. Explain the process of making yarn from fibre. (b) Spinning is a process of making fibres. Obtaining technical fibre is associated with the destruction of the stem or other part of the plant containing fibre bearing tissues (e.g. Obtaining fibre, (ii) Preparation of yarn from fibres by spinning, (iii) When two sets of yarn are involved, yarns are woven on looms to make a fabric. Ques 5: Name two items that are made from coconut fibre. The fabrics are the flexible materials, which consists of a network of natural or artificial fibres, produced by weaving cotton, nylon, jute, wool, silk, or other threads together. Microbes are used in retting to obtain bast fibres. True False: g. Polyester is a natural fiber. In olden days, the old textiles were recycled to obtain fibres. For this, it is need to be exposed to warmth. this brings the fibers together to from a Yarn. (v) 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 Answer: (a) Jute fibres are obtained from the stem of jute plant. This sticky substance needs to be removed in order to obtain the fibres. explain the process of obtaining silk fibre from cocoon. Chapter 3 - Fibre to Fabric. It is a soft and smooth fibre. Jute fibre is obtained from the stem of the jute plant. Spinning is done at home using simple devices like hand spindle (Takli) and charkha. A Gift of Chappals - Solved Exercises, CBSE Class VII (7th) Science | Solved Lesson Exercises, Chapter 8 Motion | Physics | MCQs | Class 9th | - Multiple Choice Questions, CBSE Class VII (7th) English Lesson 1 : Three Questions - Solved Exercises, Chapter 2. True False: e. Weaving of yarn makes a piece of fabric. Question 1. Jute fibre is obtained from the stem of the jute plant. For thousands of years natural fibres were the only ones available for making fabrics. Polymers 2 are the resource for man-made fibres, which are derived mostly from oil. The silk thread or the yarn is obtained from the silk moth’s cocoon. An object has mov... Comprehension Check (Page,22) Page No.17 Question 1. Answer. nnn Fabrics are made from yarns, which in turn are made from fibres. In India, jute is basically grown in the states of Bihar, West Bengal and Assam. e) Weaving of yar n makes a piece of fabric. Jute fiber is used mainly for making gunny bags, shopping bags, ropes, carpets, curtains, etc. It is used in the production of fibre from plant materials such as flax and hemp stalks and coir from coconut husks. And Outer layer of jute stem is taken to make jute fibre. SEGMENTO. • Drying- The amount of water held by the wool is reduce to below 15%.Moisture in wool is removed by hot, dry air blown through the wool prior to being exhausted from the dryer. Explain the process of obtaining jute and cotton fibre Get the answers you need, now! Once a sheep develops a thick coat of hair, it is shaved off to obtain wool. Answer: The process of making yarn from fibres is called spinning. Jute" is the name of the plant or fiber used to make burlap, hessian or gunny cloth. It is also obtained from the hair of rabbits, yak and camels. The natural colour of wool is generally creamy white though some breeds of sheep produce wool having brown and black colours. nnn Fibres are either natural or synthetic. Other plant fibers used in the production of textile materials include flax (linen), ramie, sisal, jute, hemp, kapok, and coir. sisal is obtained from leaves). d) The process of removing seed from cotton is called ginning. The silk fibres separate out. So we call them synthetic. CROP PRODUCTIION AND MANAGEMENT | CBSE Class VIII (8th) Science | Solved Exercises Chapter 2. A pile of cocoons is used for obtaining silk fibres. State whether the following statements are true or false: a) The yarn is made from fibres. Answer: The jute plant is normally harvested at flowering stage. What is retting? b) Spinning is a process of making fibres. The process by which silk fiber is obtained is called REELING THE SILK. Spinning is done at home using simple devices like hand spindle (Takli) and charkha. Jute is sometimes also called as the golden fibre. There are two types of retting: stem and ribbon. Answer: The thin strands are called as yarns which are made from fibre. Answer. FIBRE TO FABRIC 13 Q.2. 2)the plant is usually harvested at the flowring stage. A hydrogen peroxide solution is then applied to bleach the cotton. Lesson 1 : Who Did Patrick’s Homework ? We get wool from hair of the sheep, goat, rabbit, yak and camel. This brings the fibres together to form a yarn. Piles of cocoons are kept under the sun, boiled or exposed to steam. The process of taking out threads from the cocoon for use as silk is called reeling the silk. Getting to know plants : NCERT Class VI Science Le... Changes Around us : NCERT Class VI Science Lesson 6. For example, cotton fabric can be stitched into a cotton frock or a cotton kurta. (True) e) Weaving of yarn makes a piece of fabric. Nutrition in Plants Chapter 2. d) The process of removing seed from cotton is called ginning. Jute is a strong plant fibre. c) Jute is the outer covering of coconut. The dry leaves of the plants are kept in water for a few days. Retting is a process employing the action of micro-organisms and moisture on plants to dissolve or rot away much of the cellular tissues and pectins surrounding bast-fibre bundles, and so facilitating separation of the fibre from the stem. Fibre to Fabric NCERT – Question: Cocoon is used to obtain silk thread. Try these : (Class VI ( 6th) Mathematics Chapter 1. In India, jute is mainly grown in west Bengal, Bihar and Assam. During this time, the liquid skin moves out to separate the fibre and this process is known as retting. The jute plant's fibres lie beneath the bark and surrounded the woody central part of the stem. The final process is hackling, in which the fiber is drawn through a series of metal combs to remove the last of the boon and shorter fibers. Spinning is a process of making fibers. Next, the cotton fibres are separated from the seeds by combing them. (d) The process of removing seeds from cotton is called ginning. These fibres can then be separated from the non-fibrous matter by hand. Question 1. Method of Cultivating and Processing of Jute: Jute is generally sown in February on lowlands and in March-May on uplands. This process is called picking. 5)thus,the jute fibre is obtained. However, another species of jute, called Corchorus capsularis (tossa jute) is considered to be superior even though it is harder to cultivate. When a single yam is used, the fabric is prepared by knitting. Silk fibres are obtained from the silkworm and the process of obtaining silk from the silkworm is called sericulture. Forside › Uncategorized › explain the process of obtaining silk class 7. explain the process of obtaining silk class 7. (True) f) Silk fibre is obtained from the stem of a plant. n Fibres like cotton and jute are obtained from plants. Jute fibre is pale- yellow in colour and 2to 3 meter long. g) Polyester is a natural fibre. Process Of Making Fabric From Fibre. True False Nutrition in Animals Chapter 3. Exercises |Chapter 2. What are natural fibres? Obtaining of silk from cocoon: First of all, cocoons are boiled and then silk fiber is separated out; using machines. Explain with examples. 3. Explain the process of making yam from fibre. Ans : a) Yarn is made from fibre. The climatic conditions required for the cultivation of jute are temperature, rainfall and soil. (e) Weaving of yam makes a piece of fabric. Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans? Log in. Body Movements : Lesson 8 : NCERT Class VI Science. Lesson 6 : Who I am? Jute fibre is very strong. Powered by, CBSE MASTER | NCERT Textbooks Exercises Solutions, NCERT Class VI (6th) Social Science -Geography, NCERT Class VI History - Social Studies (Our Pasts-I), NCERT Class VI Social Science - Social and Political Life-1, CBSE Class VIII (8th) Science | All Chapters Solved Exercises, CBSE Class VI ( 6th) Mathematics Chapter 1 : Knowing our Numbers -Try These (Extra Solved Questions and Examples with in Chapter), CBSE Class IX ( 9th) Science | Chapter 8. The jute fiber comes from the stem and ribbon (outer skin) of the jute plant. 4)the stems rot and the jute fibre is seperated by hand. Explain how fibres are obtained from the jute plants. Retting is a process in which the tied bundles of jute stalks are taken to the tank by which fibres get loosened and separated from the woody stalk. Sem categoria The retting process consists of bundling jute stems together and immersing them in slow running water. The type of fibre determines the extraction process to be used. Motion | Lesson Exercises, CBSE Class 7th (VII) English Chapter 2. Weaving: Weaving involves making fabric by arranging two sets of yarn. The soft tissues are removed from the fibre plant with the help of bacteria. In this process, fibres from a mass of cotton are drawn out and twisted. The investigation on the enhancement of mechanical properties of concrete with jute yarn as reinforcement, if enhanced, will not only explore a way to improve the properties of concrete, it will also explore the use of jute and restrict the utilization of polymer which is environmentally detrimental. Question: Explain how jute is obtained from the jute plant. (False) d) The process of removing seeds from cotton is called ginning. Steps to Commercial Fiber Processing • Shearing – shaving the hair from the sheeps body. The end result is a strick, a half-pound bundle of long, light grey fibers which resemble human hair. When the jute plant is in the flowering stage, it is harvested. Here is great educational video from England in the 1940's explaining the process of turning flax into a fiber. Explain the process of making yarn from fibre. Ques 6: Explain the process of making yarn from fibre. Ans. The flow diagram of the fibre to fabric process is shown in Figure 1. While discussing fibre extraction methods, it is essential to mention the decortication process – the extraction of green fibre … It is used for making carpets, ropes, covers and mattress. Share yourCollect and label 8 different types ofexperience of collecting the rootsfing words​, સામાન્ય રીતે ક્યા રાજય્ન લોકોનો મુખ્ય્ ખોરાક દાળ ,ભાત , રોટલી અને શાક છે. It is also called Golden fibre. The process involved in making animal fibres into wool follows a series of steps — Shearing, Scouring, Sorting, Cleaning, Dyeing, Straightening, Rolling and Combing.