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