This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 3 Synthetic Fibres And Plastics – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is used in sports wear? A) Nylon. B) Spandex. C) Rayon. D) None of these. Show Answer Correct Answer: B) Spandex. 2. Petrochemicals are A) Mixtures of petrol and chemical fertilizer. B) Materials obtained from petroleum refining. C) Mixtures of coal and petrol. D) Mixtures of wood and chemicals. Show Answer Correct Answer: B) Materials obtained from petroleum refining. 3. I'am colourful and strong as steel.I can make you reach the peak of a mountain and also help you to reach your office with dry clothes.Who am I? A) Polyester. B) Nylon. C) Cotton. D) Silk. Show Answer Correct Answer: B) Nylon. 4. Rayon was obtained by chemical treatment of ..... ? (Rayon ..... ke chemical treatment se milta hei ) A) Wooo worm. B) Silk worn. C) Wood pulp. D) Wood plup. E) Flex. Show Answer Correct Answer: C) Wood pulp. 5. Burning of plastic releases A) Toxic gases. B) Waste gases. C) Natural gases. D) None of the above. Show Answer Correct Answer: A) Toxic gases. 6. I saw a cow on the street yesterday swallowing a plastic bag.Today I saw the cow choking to death but was saved by a Vet.What do you think is the reason for this? A) Human activities leading to over population. B) Human activities leading to pollution. C) Human activities leading to soil erosion. D) Human activities. Show Answer Correct Answer: B) Human activities leading to pollution. 7. Which one of the following can be semi-synthetic fibre? A) Nylon. B) Rayon. C) Acrylic. D) PET. Show Answer Correct Answer: B) Rayon. 8. We can make socks, ropes, tents, toothbrushes, car seat belts, sleeping bags and curtains from ..... A) Polywool. B) Nylon. C) Acrylic. D) Plants. Show Answer Correct Answer: B) Nylon. 9. The first man made plastic was invented by A) Alexander Graham Bell. B) Alexandre Fleming. C) Issac Newton. D) Alexander Parkes. Show Answer Correct Answer: D) Alexander Parkes. 10. A brief information about three different plastics is given below:X:Thermoplastic which can be rolled into sheetsV:Thermoplastic which is used as a covering for electric wires.Z:Thermosetting which is used for making plugs and switches. Identify X, Y and Z, A) X, Y, Z Melamine, Teflon, Bakelite. B) X, Y, Z Bakelite, Malamine, Polythene. C) X, Y, Z Polythene, Polyvinyl chloride, Bakelite. D) X, Y, Z Polyvinyl chloride, Polythene, Melamine. Show Answer Correct Answer: C) X, Y, Z Polythene, Polyvinyl chloride, Bakelite. 11. ..... is a synthetic fibre used for making woollen clothes. A) Acrylic. B) Polyester. C) Fibre. D) Cotton. Show Answer Correct Answer: A) Acrylic. 12. Name the first fully synthetic fibre? A) Cotton. B) Polyester. C) Rayon. D) Nylon. Show Answer Correct Answer: D) Nylon. 13. Rajesh found that woollen blankets were expensive as it was made from natural fibre. He wanted a blanket which was similar to woollen blanket, but cheaper. He can buy a blanket made of ..... Fibre. A) Silk. B) Nylon. C) Acrylic. D) Cotton. Show Answer Correct Answer: C) Acrylic. 14. Polymer comes from A) Greek word. B) Latin word. C) French word. D) German word. Show Answer Correct Answer: A) Greek word. 15. The plastics which cannot be remoulded by heating again A) Thermoplastics. B) Thermosetting plastics. C) Both. D) None. Show Answer Correct Answer: B) Thermosetting plastics. 16. Which of the below correctly states 4 R principle. A) Reduce, Reuse, Retire and Recover. B) Reduce, Reuse, Recycle and Recover. C) Release, Reflect, Reuse and Reduce. D) Reactive, Reuse, Recycle and Recover. Show Answer Correct Answer: B) Reduce, Reuse, Recycle and Recover. 17. Which of the following synthetic fibres are used to as a substitute of glass? A) Perspex. B) Teflon. C) PET. D) Polystyrene. Show Answer Correct Answer: A) Perspex. 18. Select the correct option regarding the given Assertion and Reasoning:Assertion (A):Rayon is a synthetic fibreReason (R):It is obtained from coal, water and grass A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is false and R is true. D) Both A and R are false. Show Answer Correct Answer: D) Both A and R are false. 19. SYNTHETIC FIBRES: A) HAVE LUSTRE. B) NEED LOT OF IRONING. C) DO NOT GET ELECTRICALLY CHARGED. D) ABSORB MOISTURE. Show Answer Correct Answer: A) HAVE LUSTRE. 20. Cotton is a natural polymer. Whats is its chemical name? A) Cellulose. B) Natural rubber. C) Silk. D) Wool. Show Answer Correct Answer: A) Cellulose. 21. Natural Materials are more durable than Synthetic Materials A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. While preparing best fabric mixing of a natural fibre with one or more artificial fibres.This process is called as A) Polymerization. B) Blending. C) Stitching. D) None of these. Show Answer Correct Answer: B) Blending. 23. Which type of plastic is used in making an insulation cover? A) Thermosetting plastic. B) Thermoplastic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Thermoplastic. 24. This fiber's high stretch and recovery make it ideal for swimwear. A) Rayon. B) Polyester. C) Spandex. D) Nylon. Show Answer Correct Answer: C) Spandex. 25. Which fibre is also known as 'Artificial silk' A) Nylon. B) Rayon. C) Polyester. D) Acrylic. Show Answer Correct Answer: B) Rayon. ← 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 9Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books