Fibres used to make fabric may be natural or synthetic. 5. Question 2. (c) True (d) True. Polyester is a natural fiber. Which of the following is not considered a natural fiber? Biology Multiple Choice Questions and Answers for Different Competitive Exams. ANSWER: (b) Plastic fiber … Natural fibers or natural fibres (see spelling differences) are fibers that are produced by plants, animals, and geological processes. From where wool is obtained? (II) Acrylic fibres closely resemble wool. These are called a. 25. 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. a. Vegetables and fruits are beneficial for good health because they contain A. single sugar units that don't require the breakdown of glucose. Chapter 3 - Fibre to Fabric. 0 0 1 ... (from flax) is the strongest natural plant fiber. Processing of fibres into wool involves the following steps: Step I Long Answer Questions. (Ill) Most synthetic fibres have very high moisture absorbing capacity. See Answer. Wiki User Answered . Answer to 35. Answer: Natural fibres – Cotton, jute, wool, silk. Man-made fibres – Nylon, rayon, polyester. The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. a) water. Answer: 1 True, 2 False, 3 False, 4 True, 5 True, 6 False, 7 False. Energy that is trapped in the form of organic matter is called. It was prepared from coal, … 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. 4. After selecting the correct or incorrect answers, you can see the right answers with reason … Here, one can take practice test with more than 120+ questions of … Which of the following pair is / are matched? 1) Natural fibre - Cotton 2) Natural rubber - Thiokol 3) Synthetic fibre - Nylon 4) Synthetic detergent - Soap In this page, we are providing Tissues Class 9 Extra Questions and Answers Science Chapter 6 pdf download. They can be spun into filaments, threads or ropes. The fibres of some fabrics such as cotton, jute, silk and wool are obtained from plants and animals. Examples for both plant fibres and animal fibres have been provided in this subsection. processing of wood pulp or cellulose. Answer: Protein Question 3. A pregame meal should include foods that are A. high-fiber … Firefighters' uniform is coated with a plastic that is fire resistant. Classify the following fibres as natural or synthetic: Nylon, Wool, Cotton, Silk, Polyester and Jute. Fibre to Fabric NCERT – Question: Write various steps for processing fibres into wool. A full revision with question-answer and explanation in the form of MCQs based on latest CBSE Syllabus for new academic session 2020-2021. ANSWER: (b) Photonic bandgap fiber. Question 3. It is the first fully synthetic fibre. Name some artificial fibres. Glass fiber optic cable b. A. Teflon. a. radish b. peas c. neem d.wheat please don't scam or I will report! Natural fibres are broadly classified into two categories – Plant fibres and animal fibres. 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. Which of the following foods provide the most fiber? Milk, cheese, and dairy products C. Fats, fatty acids, and … Leaf fibres – the natural fibres that can be collected … Cotton is usually picked by hand. Answer to Which of the following is not a natural fibre (a) Silk (b) Jute (c) Coir (d) Rayon This process is called _____ of cotton. d) animals. 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. A. Answer: Jute is the cheapest natural fibre and is known as the golden fibre. (i) The fabric terry wool is obtained by mixing terylene and wool. 10. Artificial fibres c. Rayon fibre d. Nylon fibre 6. Click hereto get an answer to your question ️ Which of the following property is similar for both natural and synthetic fibre? Hence, it is also called artificial silk. 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)? Which of the following is an inorganic natural resource? Answer: The fibres obtained from plants and animals are called natural fibres. Answers is the place to go to get the answers you need and to ask the questions you want. 6. Nature abounds in fibrous materials, such as cotton, wood, and straw, but only a small number can be used for textiles. Cotton fibre is almost pure cellulose that grows in a protective capsule around the seeds of cotton plants. 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. b) fossil fuels. a. biogas b. inert gas c. natural gas? Plastic fiber optic cable c. Plastic clad silica fiber optic cable d. All of the above. What is known as golden fibre? NCERT Solution for Class 6 Science. D. Polyester. (IV) Polyester is prepared from cellulose. 2010-08-10 09:40:11. Asked on December 26, 2019 by Bhavan Tanwar. Question 4. 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 … ... NATURAL FIBRE : Fibres obtain from natural sources. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. Synthetic Fibres and Plastics Class 8 Science Chapter 3 as per NCERT Book used in CBSE and other Schools. Answer: Wool is obtained from the fleece of sheep or goat. Question from Polymers,jeemain,aipmt,chemistry,cbse,unit5,class12,organic-chemistry,polymers,q19,easy Name a natural fibre. Prepare for school test and terminal exams through the following 25 Multiple Choice Questions test with answers and explanation. Class 8 Science Chapter 3 MCQ (Multiple Choice Questions) of Synthetic Fibres and Plastic. Name the basic component of animal fibres. B. important vitamins, minerals, and dietary fiber. Answer: Cotton Question 2. Answer the following questions. D. natural, not processed foods, and little added starch. Different Types Of Natural Fibres And Their Uses. Meat, poultry, and fish B. Silk is a animal fibre which is obtained from silkworm. rayon 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 … NCERT Extra Questions for Class 9 Science Chapter 6 Tissues with Answers will help to score more marks in your CBSE Board Exams. Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute. C. PET. They can be used as a component of composite materials, where the orientation of fibers impacts the properties. 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. 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.” Linen was known as the strongest natural for a long time. Answer: (b) cotton Natural fibres are greatly elongated hair-like substances obtained from plants or animals. It resembles the texture and look of natural silk and can be woven like silk fibres. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Answer… Plz answer fast 1.which one is natural fibre from the following fibres? Indicate whether the following statements are True or False. Natural fibers can also be matted into sheets to make paper or felt.. … C. saturated fats. Class 6 Science Chapter 3 MCQ are given below covering the entire chapter and updated for new academic session 2020-21. (ii) Synthetic fibres do not melt on heating. Different types of synthetic fibres like, Rayon fibres, Nylon fibres, Polyester fibres and Acrylic fibres … Top Answer. 7. c) plants. 1. 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, … a. wool b. silk c. cotton 0 cl. Answer Silk is a natural protein fiber , some forms of which can be woven into textiles . Start studying Chapter 10: Ropes and Knots. chemistry. (b) False, Jute is obtained from the stem of a jute plant. Seed fibres – the fibres obtained from the seeds of different types of plants. Add your answer and earn points. B. Melamine. 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