Fibres that are obtained from plants or animals are called natural fibres.Examples are cotton, jute, wool, and silk.Fibres that are made by man from chemical substances are called synthetic fibres.Examples are nylon, rayon, … Answer: Wool is obtained from the fleece of sheep or goat. Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute. (Ill) Most synthetic fibres have very high moisture absorbing capacity. Name a natural fibre. The fibres of some fabrics such as cotton, jute, silk and wool are obtained from plants and animals. 5. Examples for both plant fibres and animal fibres have been provided in this subsection. Energy that is trapped in the form of organic matter is called. Question 4. (i) The fabric terry wool is obtained by mixing terylene and wool. 4. ... NATURAL FIBRE : Fibres obtain from natural sources. Answer the following question in short - 32856411 arshiansari26 arshiansari26 1 hour ago Science Secondary School Answer the following question in short 1. what are natural fibre 2 See answers arshiansari26 is waiting for your help. Plant Fibres. a. a. radish b. peas c. neem d.wheat please don't scam or I will report! The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. Prepare for school test and terminal exams through the following 25 Multiple Choice Questions test with answers and explanation. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Answer: Processing of Fibres into Wool. Hence, it is also called artificial silk. Log in Ask Question. 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 … Long Answer Questions. c) plants. 10. Click hereto get an answer to your question ️ Which of the following property is similar for both natural and synthetic fibre? 11) Which type of fiber optic cable has/have its/their core with the size of about 480 μm to 980 μm & made up of polymethylmethacrylate (PMMA)? Question 3. Class 8 Science Chapter 3 MCQ (Multiple Choice Questions) of Synthetic Fibres and Plastic. Answer Silk is a natural protein fiber , some forms of which can be woven into textiles . Answer: Jute is the cheapest natural fibre and is known as the golden fibre. Natural fibers can also be matted into sheets to make paper or felt.. … The wool which is used for knitting sweaters or for weaving shawls is the finished product of a long process. Seed fibres – the fibres obtained from the seeds of different types of plants. Fibres are then separated from the seeds by combing. chemistry. Nature abounds in fibrous materials, such as cotton, wood, and straw, but only a small number can be used for textiles. Cotton is usually picked by hand. Answers is the place to go to get the answers you need and to ask the questions you want. These are called a. Here, one can take practice test with more than 120+ questions of … 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. (iii) It is risky to wear synthetic clothes while working in the kitchen. A pregame meal should include foods that are A. high-fiber … Glass fiber optic cable b. Man-made fibres – Nylon, rayon, polyester. 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.” processing of wood pulp or cellulose. It was prepared from coal, … Linen was known as the strongest natural for a long time. d) animals. (II) Acrylic fibres closely resemble wool. Class 6 Science Chapter 3 MCQ are given below covering the entire chapter and updated for new academic session 2020-21. Top Answer. After selecting the correct or incorrect answers, you can see the right answers with reason … Answer: (b) cotton Natural fibres are greatly elongated hair-like substances obtained from plants or animals. Natural fibres are broadly classified into two categories – Plant fibres and animal fibres. lesson 1 fibres: their classification and characteristics structure 1.0 objectives 1.1 introduction 1.2 classification of fibres 1.3 natural fibres 1.4 polymeric natural fibres 1.5 man-made fibres 1.6 natural fibres vs.man-made fibres 1.7 assignments 1.7.1 class assignments 1.7.2 home assignments 1.8 summing up 1.9 possible answers … In this page, we are providing Tissues Class 9 Extra Questions and Answers Science Chapter 6 pdf download. Which of the following is an inorganic natural resource? (c) True (d) True. (b) False, Jute is obtained from the stem of a jute plant. A. Teflon. Also, write false statements in their correct form. Answer: The fibres obtained from plants and animals are called natural fibres. A full revision with question-answer and explanation in the form of MCQs based on latest CBSE Syllabus for new academic session 2020-2021. 0 0 1 ... (from flax) is the strongest natural plant fiber. This process is called _____ of cotton. Different types of synthetic fibres like, Rayon fibres, Nylon fibres, Polyester fibres and Acrylic fibres … 25. Leaf fibres – the natural fibres that can be collected … Answer to 35. ANSWER: (b) Photonic bandgap fiber. Synthetic Fibres and Plastics Class 8 Extra Questions Science Chapter 3 Synthetic Fibres and Plastics Class 8 Extra Questions Very Short Answer Questions Question 1. C. PET. NCERT Solution for Class 6 Science. Natural fibres b. They can be spun into filaments, threads or ropes. D. Polyester. A. Natural fibers or natural fibres (see spelling differences) are fibers that are produced by plants, animals, and geological processes. b) fossil fuels. Biology Multiple Choice Questions and Answers for Different Competitive Exams. Polyester is a natural fiber. Natural fiber, hairlike material directly obtained from an animal, vegetable, or mineral source and convertible into nonwoven fabrics such as felt or paper or, after spinning into yarns, woven cloth. 7. Wiki User Answered . Milk, cheese, and dairy products C. Fats, fatty acids, and … Answer… Artificial fibres c. Rayon fibre d. Nylon fibre 6. Vegetables and fruits are beneficial for good health because they contain A. single sugar units that don't require the breakdown of glucose. (I) Most synthetic fibres are obtained from coal, petroleum and natural gas. Name some artificial fibres. Identify the plastic from the given options. Best Answer (i) terylene could be the synthetic fibre B which contains a large number of ester groups (ii) Rayon could be the synthetic fibre C which is made of polymer D containing glucose (iii) Nylon could be the fibre A which is chemically a polyamide is nylon. Start studying Chapter 10: Ropes and Knots. a. Plastic fiber optic cable c. Plastic clad silica fiber optic cable d. All of the above. 1. Answer to Which of the following gas is produced from modern landfill wastes? rayon Fibre to Fabric NCERT – Question: Write various steps for processing fibres into wool. Name the basic component of animal fibres. Which of the following foods provide the most fiber? Answer: Protein Question 3. Which of the following is not considered a natural fiber? B. important vitamins, minerals, and dietary fiber. a. smoke b. glass c. fog d. stone 2. which of the following has fibrous root? 2010-08-10 09:40:11. Answer: Natural fibres – Cotton, jute, wool, silk. Answer the following questions. Question 2. Answer: 1 True, 2 False, 3 False, 4 True, 5 True, 6 False, 7 False. C. saturated fats. (ii) Synthetic fibres do not melt on heating. Answer: Nylon and polyester are synthetic fibre. Firefighters' uniform is coated with a plastic that is fire resistant. It is the first fully synthetic fibre. Add your answer and earn points. Processing of fibres into wool involves the following steps: Step I NCERT Extra Questions for Class 9 Science Chapter 6 Tissues with Answers will help to score more marks in your CBSE Board Exams. D. natural, not processed foods, and little added starch. Indicate whether the following statements are True or False. a. wool b. silk c. cotton 0 cl. They can be used as a component of composite materials, where the orientation of fibers impacts the properties. Different Types Of Natural Fibres And Their Uses. B. Melamine. Cotton fibre is almost pure cellulose that grows in a protective capsule around the seeds of cotton plants. Answer to Which of the following is not a natural fibre (a) Silk (b) Jute (c) Coir (d) Rayon a) water. a. biogas b. inert gas c. natural gas? Synthetic Fibres and Plastics Class 8 Science Chapter 3 as per NCERT Book used in CBSE and other Schools. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. Fibres used to make fabric may be natural or synthetic. From where wool is obtained? See Answer. It resembles the texture and look of natural silk and can be woven like silk fibres. (IV) Polyester is prepared from cellulose. Plz answer fast 1.which one is natural fibre from the following fibres? Chapter 3 - Fibre to Fabric. Answer: Cotton Question 2. ANSWER: (b) Plastic fiber … For example, cotton from cotton bolls, jute from jute plant, silk from cocoon of silkworm and wool from hair of animals like sheep or goat. Asked on December 26, 2019 by Bhavan Tanwar. 1) Natural fibre - Cotton 2) Natural rubber - Thiokol 3) Synthetic fibre - Nylon 4) Synthetic detergent - Soap Silk is a animal fibre which is obtained from silkworm. 6. Classify the following fibres as natural or synthetic: Nylon, Wool, Cotton, Silk, Polyester and Jute. Meat, poultry, and fish B. Which of the following pair is / are matched? 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