(a) Plastic (b) Wood (c) Cement (d) Nylon. (b) Nylon Is a synthetic fibre. Play this game to review Science. A synthetic fiber is shiny and silky, while natural fibers are always dull and rough. Explain why some fibres are called synthetic. Explain why the following ⦠Class 8 Synthetic Fibres Plastics Question answers. 2. Multiple Choice Questions (MCQs) Which of the following is not a man-made material? Man made fibres are considered under two main headings. Yak, sheep, camel, goat are the common animals which produce fur on their body which can be obtained and used in the production of wool. Which of the following is used for making gunny bags? (a) Cotton (b) Jute (c) Wool (d) Polyster 3. The portion of the hair containing its scales is: Students can get how to tackle different questions easily by solving the Extra Questions for Class 8 Science Question bank on a regular basis. Chapter 3. 5. Polymers are micro sized molecules. Natural Polymer Fibres. NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. None of the answers are correct; there's no real difference between synthetic and natural fibers. (a) Cotton (b) Nylon (c)Jute (d)Wool Answer. Synthetic Fibres & Plastics. Cellulose is the basic component of: The cuticle. 2. Synthetic Fibres and Plastics Class 8 Science Chapter 3 as per NCERT Book used in CBSE and other Schools. Give examples which indicate that nylon fibres are very strong. The fibres in this category may be classified into the following sub groups. Different types of synthetic fibres like, Rayon fibres, Nylon fibres, Polyester fibres and Acrylic fibres ⦠A. Digital NCERT Books Class 8 Science pdf are always handy to use when you do not ⦠Natural fibres â fibre forming material is of the natural origin. Synthetic Fibres and Plastics Class 8 Extra Questions and Answers Science Chapter 3 PDF are solved by experts and will guide students in the right direction. Here we have given NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. Explain the difference between thermoplastic and thermosetting plastics. Plastics are non bio ⦠5._____is a kind of fibre that resembles wool. Jute fibre is obtained from jute plant by the following steps: Retting: Jute fibre is obtained from the stalks of the jute plant. b. After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. a. Cellulose is a polymer that is made up of a large number of small glucose molecules joined one after the other. 2. 3._____plastics do not become soft on heating and cannot be reshaped. 2. The fibres are then separated from the stem in long strands and washed in clear, running water. 4. Students who are in Class 8 or preparing for any exam which is based on Class 8 Science can refer NCERT Science Book for their preparation. Polyester and nylon are the examples of synthetic fibre⦠3. Question-answers (Fibre to Fabric) Multiple Choice Questions 1. Wood contains a very less amount of cellulose polymer. Wool is a natural fibre obtained from the body of many animals. The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. Multiple Choice Questions Question. Which of the following properties should not be examined when comparing two synthetic fibers? Which of the following statements is/are false ? C. Write 'T' for True or 'F' for False for the following sentences :-1. (a) Acrylic (b) Nylon (c) Polyester (d) Rayon The monomers involved in the synthesis of proteins are: Wood. Synthetic fibres â fibre forming material is made from simpler substances. NCERT Book for Class 8 Science Chapter 3 Synthetic Fibers and Plastics is available for reading or download on this page. Synthetic fibres do not absorb_____. c. 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