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