This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 3 Synthetic Fibres And Plastics – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is called wonder polymer? A) Silk. B) Plastic. C) Rayon. D) Nylon. Show Answer Correct Answer: D) Nylon. 2. ..... are the chemicals which gave fruits their smell A) Ester. B) Wood pulp. C) Ethene. D) Amide. Show Answer Correct Answer: A) Ester. 3. This FIRST man-made fiber is chemically produced from cellulose and it is used to make fabrics with a linen look. A) Acetate. B) Rayon. C) Polyester. D) Nylon. Show Answer Correct Answer: B) Rayon. 4. Rayon is otherwise called as A) Artificial cotton. B) Artificial silk. C) Artificial rubber. D) Artificial wool. Show Answer Correct Answer: B) Artificial silk. 5. The first synthetic fibre formed from a natural material wood pulp is A) Acrylic. B) Rayon. C) Nylon. D) Polyester. Show Answer Correct Answer: B) Rayon. 6. Man made fibres are otherwise called as A) Synthetic fibres. B) Natural fibres. C) Organic fibres. D) None. Show Answer Correct Answer: A) Synthetic fibres. 7. Who produced the first ever synthetic fibre? A) Micheal Reynolds. B) Sebastin Stan. C) Joseph Swan. D) Frank Washington. Show Answer Correct Answer: C) Joseph Swan. 8. Polyester is cheaper than Arcylic A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 9. Fibre obtained by chemical treatment of wood pulp is called ..... A) Natural silk. B) Rayon. C) Nylon. D) Polyester. Show Answer Correct Answer: B) Rayon. 10. Plastic reacts with diluted acids A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. Electrical switches are made up of A) Melamine. B) Bakelite. C) PVC. D) Polythene. Show Answer Correct Answer: B) Bakelite. 12. Plastics which have linear arrangement of molecules are A) Thermoelectric plastics. B) Thermoplastics. C) Thermosetting plastics. D) None of these. Show Answer Correct Answer: B) Thermoplastics. 13. Which of the following fiber threads is actually stronger than a steel wire of similar thickness? A) Wool. B) Silk. C) Nylon. D) Cotton. Show Answer Correct Answer: C) Nylon. 14. This synthetic fibre is more stronger than Steel A) Nylon. B) Rayon. C) Cotton. D) Wool. Show Answer Correct Answer: A) Nylon. 15. Polycot is made by mixing two types of fibres namely A) Silk+cotton. B) Wool+cotton. C) Polyester+Cotton. D) Polyethylene+Cotton. Show Answer Correct Answer: C) Polyester+Cotton. 16. Which of the following is a natural material? A) Wood. B) Bakelite. C) Nylon. D) Polyester. Show Answer Correct Answer: A) Wood. 17. One of the advantages of nylon over rayon is that nylon: A) Is wrinkle free. B) Has low elasticity. C) Is a natural fibre. D) Is a good conductor of electricity. Show Answer Correct Answer: A) Is wrinkle free. 18. Which of the following is called artificial silk? A) Rayon. B) Nylon. C) Acrylic. D) Polyester. Show Answer Correct Answer: A) Rayon. 19. Which of the following is not true for synthetic fibres A) Easy to clean. B) More expensive than natural fibres. C) Do not wrinkle. D) Long lasting lustre. Show Answer Correct Answer: B) More expensive than natural fibres. 20. Terylene is a popular A) Polyester. B) Acrylic. C) Rayon. D) Wool. Show Answer Correct Answer: A) Polyester. 21. Why do we wear cotton clothes in summer? A) Cotton absorbs more heat as it is synthetic fibre. B) Cotton radiates less heat. C) Cotton is a natural fibre and absorbs sweat easily. D) Cotton is black in colour. Show Answer Correct Answer: C) Cotton is a natural fibre and absorbs sweat easily. 22. Which of the following is not true about Terylene A) Absorbs water. B) Used for making rain coats. C) Moth resistant. D) Wrinkle resistant. Show Answer Correct Answer: A) Absorbs water. 23. Carpets are made from? A) Rayon and Cotton. B) Cotton and Wool. C) Rayon and Wool. D) Wool. Show Answer Correct Answer: C) Rayon and Wool. 24. How are synthetic fibres made A) By using plants. B) By using petrochemicals. C) By using humans. D) By using plastics. Show Answer Correct Answer: B) By using petrochemicals. 25. Assertion:Acrylic fibres are used in making socks and shawls.Reason:Acrylic fibres are a replacement of woollen fibres. A) Both assertion and reason are true and the reason is the correct explanation of assertion. B) Both assertion and reason are true but the reason is not correct for the assertion. C) The assertion is true but the reason is false. D) The assertion is false but the reason is true. Show Answer Correct Answer: A) Both assertion and reason are true and the reason is the correct explanation of assertion. ← PreviousNext →Related QuizzesClass 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 1Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 2Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 3Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 4Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 5Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 6Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 7Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 9Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 10Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books