The fibre is extracted from the stem of the jute plant by the process of retting. explain the process of obtaining silk fibre from cocoon. Wool. The retting process consists of bundling jute stems together and immersing them in slow running water. The fabric is stitched to make clothes. Give an example from the sources of animals fibres? Jute mainly grows in regions having alluvial soil which is found in the delta regions of the Ganges and Brahmaputra rivers. Jute" is the name of the plant or fiber used to make burlap, hessian or gunny cloth. Lesson 2 : How the Dog Found Himself A Master ? Chapter 3 - Fibre to Fabric. What is retting? This process saponifies the natural waxes on the fiber and the rest of the plant is softened. Simple theme. An object has mov... Comprehension Check (Page,22) Page No.17 Question 1. n Fibres like cotton and jute are obtained from plants. 1. These days, fine quality of jute is also used for making jute fabrics. Nutrition in Plants Chapter 2. Explain the process of making yarn from fibre. (False) d) The process of removing seeds from cotton is called ginning. It is a soft and smooth fibre. The process of making yarn from fiber is called spinning. Jute fibre is obtained from the stem of the jute plant. Nowadays, fibre is obtained from the fibre plant. 2.13 Explain the process of making yarn from fibre. SEGMENTO. ( 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. CBSE Class 6th, 7th, 8th, 9th, & 10th | Help Guide | Solved Exercises | MCQs | Questions & Answers | Sample Papers. The fabric is stitched to make clothes. While discussing fibre extraction methods, it is essential to mention the decortication process – the extraction of green fibre … (d) The process of removing seeds from cotton is called ginning. 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. Lesson 1 : Who Did Patrick’s Homework ? Large supply of cheap labour is also necessary for growing and processing the jute fibre. It is cultivated in rainy season. g) Polyester is a natural fibre. This process is called retting. Fill in the blanks: a) Plant fibres are obtained from_____ and 2)the plant is usually harvested at the flowring stage. The outer covering of coconut has also some fibres on it. Silk fibres are obtained from the silkworm and the process of obtaining silk from the silkworm is called sericulture. Ans. After the fabric is formed, it is generally subjected to finishing and/or dyeing process, in 2.14 Today a number of unstitched fabrics are used by both men and women. In India, jute is mainly grown in west Bengal, Bihar and Assam. 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 During this period, the stem of the plant rots and the fibres (present in the stem) remain. Components of Food : CBSE NCERT Class VI Science ... Food - Where Does it come from? Can you give four examples of such clothes. Log in. Jute fibre is obtained only from the stem of the jute plants. b) Spinning is a process of making fibres. Ques 5: Name two items that are made from coconut fibre. Some machines combine breaking and scutching operations. c) Jute is the outer covering of coconut. 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? Forside › Uncategorized › explain the process of obtaining silk class 7. explain the process of obtaining silk class 7. (v) Polyester is a staple fibre. Ans :The process of making yarn from fibres is called spinning. True False: g. Polyester is a natural fiber. True False Answer: Jute plants are cut at the flowering stage when plants are 8-10 feet high. Join now. b) Spinning is a process of making fibres. Cotton and jute are examples of fibres obtained from plants. The jute bags are used as shopping bags that as well as for storing food grains. Process Of Making Fabric From Fibre. During this time, the liquid skin moves out to separate the fibre and this process is known as retting. How? 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. d) The process of removing seed from cotton is called ginning. Obtaining of silk from cocoon: First of all, cocoons are boiled and then silk fiber is separated out; using machines. Question 1. f) Silk fibre is obtained from the stem of a plant. Machine unwinds the silk thread from cocoons. The climatic conditions required for the cultivation of jute are temperature, rainfall and soil. 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. Question 1. …, it is conventional measurement of length. Ans : a) Yarn is made from fibre. Getting to know plants : NCERT Class VI Science Le... Changes Around us : NCERT Class VI Science Lesson 6. 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. The process of taking out threads from the cocoon for use as silk is called _____ the silk. The crop takes 8- 10 months to mature but different varieties take different time to mature. LOJAS AS MELHORES LOJAS PRA VOCÊ E SUA FAMÍLIA. • Scouring -the removal of all impurities from grease wool, using water, detergent, and sometimes a mild alkali. Join now. Answer: The process of making yarn from fibres is called spinning. Jute. These fibres are converted into yarns to make fabrics (Fig). Preparation of yarn from fibres by spinning. Log in. In this process, fibres from a mass of cotton wool are drawn out and twisted. And Outer layer of jute stem is taken to make jute fibre. The two common methods used for producing Fabrics are: Knitting. (e) Weaving of yam makes a piece of fabric. The type of fibre determines the extraction process to be used. As these separate, the pectins and other non-cellulosic materials are suspended and washed away. It is also called Golden fibre. Steps to Commercial Fiber Processing • Shearing – shaving the hair from the sheeps body. (True) f) Silk fibre is obtained from the stem of a plant. The process of taking out threads from the cocoon for … Once a sheep develops a thick coat of hair, it is shaved off to obtain wool. Answer. A process called retting is used to remove the non-fibrous material from the stem and skin of the jute stalk. NCERT Solution for Class 6 Science. It is mainly grown in the rainy season. (d) people do not measure properly with it .IM​, Hi guys how many of u use snapchat Meena ... Chapter 1. Jute fibre is obtained from the stem of the jute plant. Silk thread so obtained is woven into different types of cloths, i.e. Exercises |Chapter 2. 2.14.1 The Process of Making Fabric from Yarn; Class 6 Science Chapter 3 Important Questions 2020-21 . (c) Jute is the outer covering of coconut. The soft tissues are removed from the fibre plant with the help of bacteria. (b) Spinning is a process of making fibres. Jute fiber is used mainly for making gunny bags, shopping bags, ropes, carpets, curtains, etc. Jute Fibre: Jute fibre comes from jute The flow diagram of the fibre to fabric process is shown in Figure 1. Then they are hung up or spread on thatched roofs to dry. Jute fibres are naturally glued together by a sticky or gummy substance. In this process,fibers from a mass of cotton wool are drawn out and twisted. 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. Technical fibre is pale- yellow in colour and 2to 3 meter long covers a of. 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