This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Synthetic Fibres And Plastics > Class 8 Science Chapter 3 Synthetic Fibres And Plastics – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the other name of Acrylic? A) Lycra. B) Elastane. C) Orlon. D) Morphic. Show Answer Correct Answer: C) Orlon. 2. The other name for artificial silk? A) Rayon. B) Acrylic. C) Nylon. D) Polyester. Show Answer Correct Answer: A) Rayon. 3. This warm feeling fiber is used to make machine washable sweaters and blankets. A) Rayon. B) Spandex. C) Nylon. D) Acrylic. Show Answer Correct Answer: D) Acrylic. 4. Cotton is a polymer made up of A) Cellulose. B) Leptin. C) Pectin. D) Silk. Show Answer Correct Answer: A) Cellulose. 5. Polyester is a synthetic fiber in which the polymer units are linked by ester groups. Which of the following is not a property of polyester? A) Polyester fibers are weaker in strength than nylon fibers. B) Polyester fiber is not attacked by moths and ordinary chemicals. C) Polyester is a thermoplastic polymer. D) Polyester fibers are softer than nylon fibers. Show Answer Correct Answer: A) Polyester fibers are weaker in strength than nylon fibers. 6. ..... was prepared from coal, water and air. A) Nylon. B) Rayon. C) Acrylic. D) Bakelite. Show Answer Correct Answer: A) Nylon. 7. The fibres which are obtained from the natural sources are called A) Synthetic fibres. B) Natural fibres. C) Artificial fibres. D) Man made fibres. Show Answer Correct Answer: B) Natural fibres. 8. Which is the strongest fibre in the following: A) Wool. B) Acrylic. C) Nylon. D) Terrylene. Show Answer Correct Answer: C) Nylon. 9. Which of the following is not a property of nylon? A) Nylon is a thermoplastic polymer. B) Nylon fibers are fairly strong and elastic. C) Nylon fibers are lightweight and lustrous. D) It is cheaper than natural silk. Show Answer Correct Answer: D) It is cheaper than natural silk. 10. Which of the following represents the correct match for items in Column A with those in Column B.Column A-Column BI. Nylon-(i) ThermoplasticII. PVC-(ii) Thermosetting plasticIII. Bakelite-(iii) Fibrechoose the option A) I-(iii), II-(i), III-(ii). B) I-(ii), II-(i), III-(iii). C) I-(iii), II-(ii), III-(i). D) I-(II), II-(III), Iii-(I). Show Answer Correct Answer: C) I-(iii), II-(ii), III-(i). 11. From which part of sheep is wool made from? A) Skin. B) Toes. C) Fleece. D) All the above. Show Answer Correct Answer: C) Fleece. 12. Polythene and PVC are examples of A) A) Bio degradable substance. B) B) Thermoplastics. C) All the above. D) None of the above. Show Answer Correct Answer: B) B) Thermoplastics. 13. Which of the following is NOT a natural polymer? A) Starch. B) Natural rubber. C) Protein. D) Polyester. Show Answer Correct Answer: D) Polyester. 14. Nylon is obtained by A) Treatment of wood pulp. B) Mixing coal, air and water. C) Solidifying water. D) Mixing acids and bases. Show Answer Correct Answer: B) Mixing coal, air and water. 15. The Material Similar To Silk In Appearance Is: A) Nylon. B) Polyester. C) Rayon. D) Terylene. Show Answer Correct Answer: C) Rayon. 16. Bakelite is used to make ..... A) Handles of cookware. B) Crockeries. C) Floor tiles. D) Fireman clothing. Show Answer Correct Answer: A) Handles of cookware. 17. Polymers are made up of small units called A) Monomers. B) Molecules. C) Cells. D) Layers. Show Answer Correct Answer: A) Monomers. 18. Which one is non-biodegradable? A) B) Cotton cloth. B) (c) Wood. C) (a) Paper. D) (d) Plastic. Show Answer Correct Answer: D) (d) Plastic. 19. PET is a plastic form of ..... A) Rayon. B) Nylon. C) Polyester. D) Spandex. Show Answer Correct Answer: C) Polyester. 20. Select True or False:An advantage of natural fibres over synthetic fibres is that natural fibres are more durable. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. Which of the following is thermosetting polymer A) PVC. B) Neoprene. C) Nylon-6, 6. D) Bakelite. Show Answer Correct Answer: D) Bakelite. 22. Which of the following polymer shows thermal stability and chemical inertness due to its high C-C bond energy A) Teflon. B) Polymer. C) Cotton. D) Wool. Show Answer Correct Answer: A) Teflon. 23. Polythene is produced by A) Isomerization. B) Hydrogenation. C) Polymerisation. D) All of the above. Show Answer Correct Answer: C) Polymerisation. 24. Which of the following groups contains all synthetic substances A) Nylon, terylene, wool. B) Cotton, polysters, rayon. C) PVC, polythene, bakelite. D) None of the above. Show Answer Correct Answer: C) PVC, polythene, bakelite. 25. Which property of plastics makes them poor conductors of heat and electricity? A) Lightweight. B) Durable. C) Insulating. D) Non-reactive. Show Answer Correct Answer: C) Insulating. 26. Teflon can resist flame, water, and oil, It is a ..... A) Thermosetting plastic. B) Thermoplastic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Thermoplastic. 27. Which kind of clothes dry faster in therainy season? A) Jute. B) Wool. C) Polyester. D) Cotton. Show Answer Correct Answer: C) Polyester. 28. Polythene which is used to make polythene bags is an example of a ..... A) Thermoplastics. B) Thermosetting plastics. C) All the above. D) None of the above. Show Answer Correct Answer: A) Thermoplastics. 29. The most suitable material for the preparation of handles of cooking utensils is ..... A) Bakelite. B) Polythene. C) Nylon. D) PVC. Show Answer Correct Answer: A) Bakelite. 30. PET is a form of A) Steel. B) Glass. C) Nylon. D) Polyester. Show Answer Correct Answer: D) Polyester. 31. Which of the following is a natural fiber? A) Wool. B) Polyester. C) Spandex. D) Acrylic. Show Answer Correct Answer: A) Wool. 32. Raw materials for preparation of synthetic fibres are obtained from A) Coal. B) Petroleum. C) Natural gas. D) All of these. Show Answer Correct Answer: D) All of these. 33. Synthetic fibres are A) Durable. B) Wrinkle free. C) Economical. D) All of these. Show Answer Correct Answer: D) All of these. 34. Which of the following can not be deformed on heating and thus cannot be remoulded again? A) Terylene. B) Polythene. C) Melamine. D) Polystrene. Show Answer Correct Answer: C) Melamine. 35. Which of the following plastic is used for making water pipes? A) Bakelite. B) PVC. C) Melamine. D) Polyester. Show Answer Correct Answer: B) PVC. 36. Which of the following is not manufactured from high-density polythene? A) Containers. B) Pipes. C) Candles. D) Toys. Show Answer Correct Answer: A) Containers. 37. The basic component of plant fibre is A) Protein. B) Cellulose. C) Starch. D) None of these. Show Answer Correct Answer: C) Starch. 38. Which of the following can be soften on heating A) Thermoplastic. B) Thermosetting plastics. C) Polymers. D) All of these. Show Answer Correct Answer: A) Thermoplastic. 39. The smallest unit in making synthetic fibres is A) Cell. B) Molecule. C) Polymer. D) None of these. Show Answer Correct Answer: D) None of these. 40. Bakelite and Melamine are examples of A) Silk. B) Thermosetting Plastics. C) All the above. D) None of the above. Show Answer Correct Answer: B) Thermosetting Plastics. 41. Which one of the following is a thermosetting plastic? A) Acrylic. B) Polylactide. C) Melamine. D) PET. Show Answer Correct Answer: C) Melamine. 42. Synthetic fibres are made using ..... as raw materials. A) Polymers. B) Cotton. C) Woolen products. D) Petrochemicals. Show Answer Correct Answer: D) Petrochemicals. 43. Polywool is a mixture of polyester and A) Cotton. B) Rayon. C) Silk. D) Wool. Show Answer Correct Answer: D) Wool. 44. Which of the following is an example of aheavily cross linked polymer? A) Polythene. B) Nylon. C) Melamine. D) Polyester. Show Answer Correct Answer: C) Melamine. 45. Where did Wallace Carothers and his team first produced Nylon? A) Port flower. B) NYC. C) Sydney. D) DuPont. Show Answer Correct Answer: D) DuPont. 46. A fibre which is as soft as wool is A) Polyester. B) Nylon. C) Acrylic. D) Rayon. Show Answer Correct Answer: C) Acrylic. 47. Which fibre is used to make swimming dresses? A) Acrylic. B) Nylon. C) Rayon. D) Silk. Show Answer Correct Answer: B) Nylon. 48. Plastics are accumulated on A) Land blocks and drain water from seeping into the ground. B) Land polluted air air and fire. C) All the above. D) None of the above. Show Answer Correct Answer: A) Land blocks and drain water from seeping into the ground. 49. The strongest synthetic fibre is A) Rayon. B) Polyester. C) Acrylic. D) Nylon. Show Answer Correct Answer: D) Nylon. 50. A polymer is a large molecule composed of many repeated units. What is a polyester composed of? A) Cellulose. B) Ester. C) Ether. D) Amino acids. Show Answer Correct Answer: B) Ester. 51. The material which is commonly used for making kitchen containers is ..... A) PVC. B) Teflon. C) Acrylic. D) PET. Show Answer Correct Answer: D) PET. 52. Rayon is mixed with cotton to make A) Carpets. B) Socks. C) Sweaters. D) Bed sheets. Show Answer Correct Answer: D) Bed sheets. 53. Modern non-stick cookware and the flat end of an electric iron has a coating of a polymer. Identify the name of the polymer. A) Polyester. B) Rayon. C) Teflon. D) PVC. Show Answer Correct Answer: C) Teflon. 54. Which of the following has a fruity smell? A) Polyester. B) Polythene. C) PVC. D) Ester. Show Answer Correct Answer: D) Ester. 55. Is plastic biodegradable A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 56. Which of the following groups contain only synthetic fibres? A) Cotton, Polycot, Rayon. B) PVC, Polythene, Bakelite. C) Acrylic, Silk, Wool. D) Nylon, Terylene, Wool. Show Answer Correct Answer: B) PVC, Polythene, Bakelite. 57. SYNTHETIC FIBRE USED FOR MAKING LIGHT WEIGHT BLANKETS IS KNOWN AS: A) POLYESTER. B) KOROSEAL. C) ACRYLIC. D) POLYETHENE. Show Answer Correct Answer: C) ACRYLIC. 58. WHICH OF THE FOLLOWING IS HYDROPHOBIC? A) POLYESTER. B) JUTE. C) LINEN. D) COTTON. Show Answer Correct Answer: A) POLYESTER. 59. Which of the following statements is/are false? A) Cellulose is a polymer that is made up of a large number of small glucose molecules joined one after the other. B) Wood contains a very less amount of cellulose polymer. C) The small molecules that join together to form a polymer are called monomers. D) None of the above. Show Answer Correct Answer: B) Wood contains a very less amount of cellulose polymer. 60. Terylene mixed with cotton is called ..... A) Terry. B) Polyester. C) Terrywool. D) Terrycot. Show Answer Correct Answer: D) Terrycot. Next →Related QuizzesScience QuizzesClass 8 QuizzesClass 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 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books