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