This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 3 Synthetic Fibres And Plastics – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Electric switches and plugs are made of ..... A) PVC. B) Nylon. C) Bakelite. D) Melamine. Show Answer Correct Answer: C) Bakelite. 2. Polyethylene terephthalate belongs to which class of synthetic polymer? A) Plastic. B) Polyolefin. C) Nylon. D) Polyester. Show Answer Correct Answer: D) Polyester. 3. First fully synthetic fibres is A) Rayon. B) Acrylic. C) Nylon. D) Polyester. Show Answer Correct Answer: C) Nylon. 4. Which synthetic fibre is used as a substitute for wool? A) Rayon. B) Nylon. C) Polyester. D) Acrylic. Show Answer Correct Answer: D) Acrylic. 5. Identify the product based on the given features.I. It is a man-made product.II. It has a cross link arrangement of monomer units.III. It is used for making goods like wire coverings, switch boards, laptops, etc. A) Lycra. B) Rayon. C) Thermosetting plastics. D) Thermoplastics. Show Answer Correct Answer: C) Thermosetting plastics. 6. Identify A and B:-A-I am a fibre which you wear in summer.B-I am the monomer used to make this fibre. A) A-RayonB-Wood Pulp. B) A-CottonB-Petrochemicals. C) A-RayonB-Petrochemicals. D) A-CottonB-Cellulose. Show Answer Correct Answer: D) A-CottonB-Cellulose. 7. Why plastic is used in aircraft and spaceship. A) Plastics are lighter compared to metals. B) Plastics are cheaper. C) Plastics are easy to handle. D) Plastic can be recycled. Show Answer Correct Answer: A) Plastics are lighter compared to metals. 8. ..... are the chemicals which give fruits their smell. A) Fructose. B) Lactose. C) Esters. D) None of the above. Show Answer Correct Answer: C) Esters. 9. The long-chained polymers made by linking several ester units is called A) Polythene. B) Polyester. C) Polypropene. D) Polystyrene. Show Answer Correct Answer: B) Polyester. 10. Which of the following is not a blended fibre? A) Terrycot. B) Terrylene. C) Polycotton. D) Terywool. Show Answer Correct Answer: B) Terrylene. 11. The coating on modern non-stick cookware and electric iron is of A) Terrycot. B) Rayon. C) Teflon. D) Nylon. Show Answer Correct Answer: C) Teflon. 12. Poly + Cot = ..... A) Polycotton. B) Shelf. C) Polycot. D) Terrycot. Show Answer Correct Answer: C) Polycot. 13. What all are mainly used in lycra synthesis? A) (OH) group compounds and acetate compounds. B) Diamino acids and DIisocynate. C) Nitrogen and magnesium stearate. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. Formaldehyde and phenol makes ..... A) Melamine. B) Bakelite. C) Epoxy. D) PVC. Show Answer Correct Answer: B) Bakelite. 15. Which of the following is an example of animal fibre? A) Cotton. B) Jute. C) Silk. D) Nylon. Show Answer Correct Answer: C) Silk. 16. In word polymer ..... poly means A) Many. B) Few. C) One. D) None. Show Answer Correct Answer: A) Many. 17. Identify the product based on the given features.I. It is a man-made product.II. It has a linear arrangement of monomer units.III. It is used for making goods like toys, combs, containers, etc. A) Lycra. B) Rayon. C) Thermosets. D) Thermoplastics. Show Answer Correct Answer: D) Thermoplastics. 18. The uniforms of firemen are coated with ..... as it is flame resistant. A) Melamine. B) Nylon. C) Teflon. D) None of these. Show Answer Correct Answer: A) Melamine. 19. What is the coating of pans made up of? A) Rayon. B) Polywool. C) Teflon. D) Bakelite. Show Answer Correct Answer: C) Teflon. 20. ..... synthetic fibre absorbs moisture. A) Polyester. B) Rayon. C) Lycra. D) Spandex. Show Answer Correct Answer: B) Rayon. 21. Name the plastic used for making water pipes A) Polythene. B) PVC. C) Acrylic. D) Bakelite. Show Answer Correct Answer: B) PVC. 22. Nylon is not used for making A) Ropes for climbing. B) Blankets. C) Parachutes. D) Seat belts in cars. Show Answer Correct Answer: B) Blankets. 23. Special cookwares are used in microwave ovens for cooking because A) They have non-stick coating. B) The heat cooks the food but does not affect the plastic vessel. C) They are fire resistant. D) None of the above. Show Answer Correct Answer: B) The heat cooks the food but does not affect the plastic vessel. 24. Which of the following statements are / is incorrect about synthetic fibers? A) They dry quickly. B) Less expensive. C) They are light, easy to wash. D) They are weak and elastic. Show Answer Correct Answer: D) They are weak and elastic. 25. In plastic the arrangement of individual units may be ..... A) Linear or cross linked. B) Linear or straight linked. C) All the above. D) None of the above. Show Answer Correct Answer: A) Linear or cross linked. ← 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 8Class 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