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