Question-answers (Fibre to Fabric) Multiple Choice Questions 1. Explain why plastic containers are favoured for storing food. Answer the following questions in short: 1. The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. Polymers are micro sized molecules. Cellulose is the basic component of: The cuticle. 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. 5. Multiple Choice Questions Question. Polyester and nylon are the examples of synthetic fibre… (b) Nylon Is a synthetic fibre. Class 8 Synthetic Fibres Plastics Question answers. c. The small molecules that join together to form a polymer are … The fibres in this category may be classified into the following sub groups. Synthetic Fibres & Plastics. 5._____is a kind of fibre that resembles wool. 2. Give examples which indicate that nylon fibres are very strong. (a) Cotton (b) Jute (c) Wool (d) Polyster 3. 3. 2. 1 Pick the synthetic fibre out of the following. Natural Polymer Fibres. NCERT Book for Class 8 Science Chapter 3 Synthetic Fibers and Plastics is available for reading or download on this page. (a) Cotton (b) Nylon (c)Jute (d)Wool Answer. Explain the difference between thermoplastic and thermosetting plastics. The fibres are then separated from the stem in long strands and washed in clear, running water. Synthetic fibres do not absorb_____. Synthetic Fibres and Plastics Class 8 Science Chapter 3 as per NCERT Book used in CBSE and other Schools. a. Cellulose is a polymer that is made up of a large number of small glucose molecules joined one after the other. In which […] A synthetic fiber is shiny and silky, while natural fibers are always dull and rough. 4._____is called an artificial silk. Explain why some fibres are called synthetic. Natural fibres – fibre forming material is of the natural origin. 4. Which of the following statements is/are false ? Jute fibre is obtained from jute plant by the following steps: Retting: Jute fibre is obtained from the stalks of the jute plant. Which of the following is used for making gunny bags? The monomers involved in the synthesis of proteins are: Wood. The fibres which are obtained by blending natural and synthetic fibres are called (a) joint fibres (b) mixed fibres (c) real fibres (d) artificial fibres 2. 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. 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. Wool is a natural fibre obtained from the body of many animals. Plastics are non bio … Chapter 3. 2. Here we have given NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. Which of the following properties should not be examined when comparing two synthetic fibers? (a) Acrylic (b) Nylon (c) Polyester (d) Rayon The portion of the hair containing its scales is: NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. Digital NCERT Books Class 8 Science pdf are always handy to use when you do not … Multiple Choice Questions (MCQs) Which of the following is not a man-made material? Different types of synthetic fibres like, Rayon fibres, Nylon fibres, Polyester fibres and Acrylic fibres … Man made fibres are considered under two main headings. Students can get how to tackle different questions easily by solving the Extra Questions for Class 8 Science Question bank on a regular basis. Amino Acids. 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