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