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 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The uniform of firemam have a coting of ..... A) Melamine. B) PET. C) Coal. D) Plastic. Show Answer Correct Answer: A) Melamine. 2. Which was the first true synthetic fibre? A) Polyester. B) Silk. C) Nylon. D) Spandex. Show Answer Correct Answer: C) Nylon. 3. Nylon-66 is mainly made from ..... A) Polyglyconitrile and isocynate pre-polymer. B) Adipic acid and hexamethyldiamine. C) Polystyrene and polytetrafloroethylene. D) Petroleum and urea. Show Answer Correct Answer: B) Adipic acid and hexamethyldiamine. 4. Which of the following synthetic fibres has a feel similar to wool? A) Nylon. B) Rayon. C) Acrylic. D) Polyester. Show Answer Correct Answer: C) Acrylic. 5. In which of the following plastics are the long polymer chains cross-linked with one another? A) Nylon. B) Polyester. C) Acrylic. D) Bakelite. Show Answer Correct Answer: D) Bakelite. 6. In which year nylon was invented A) 1965. B) 1987. C) 1980. D) 1935. Show Answer Correct Answer: D) 1935. 7. In which year was nylon made? A) 1964. B) 1950. C) 1931. D) 1948. Show Answer Correct Answer: C) 1931. 8. Wood pulp is used to make A) Rayon. B) Plastic. C) Jute. D) Wool. Show Answer Correct Answer: A) Rayon. 9. Combination of single unit in a large scale is A) Polymer. B) Monomer. C) Amas. D) None of the above. Show Answer Correct Answer: A) Polymer. 10. Plastics which when moulded once, cannot be softened by heating. Such plastics are called A) Polyester. B) Thermosetting Plastics. C) All the above. D) None of the above. Show Answer Correct Answer: B) Thermosetting Plastics. 11. Fibre produced in factories is called A) Man-made fibre. B) Natural fibre. C) Synthetic fibre. D) Both (a) and (c). Show Answer Correct Answer: D) Both (a) and (c). 12. Pickles are stored in plastic bottles mainly because they are: A) Non-biodegradable. B) Durable. C) Non-reactive. D) Good insulators. Show Answer Correct Answer: C) Non-reactive. 13. PET is a very familiar form of A) Monomer. B) Chemical. C) Polyphenyl. D) Polyester. Show Answer Correct Answer: D) Polyester. 14. Which of the following arrangements is the correct order of fabrics in their decreasing strength? A) Nylon-Polyester-Silk-Cotton-Wool. B) Polyester-Nylon-Cotton-Silk-Wool. C) Wool-Nylon-Silk-Cotton-Polyester. D) Polyester-Nylon-Silk-Cotton-Wool. Show Answer Correct Answer: D) Polyester-Nylon-Silk-Cotton-Wool. 15. Assertion:Acrylic fibres are used in making socks and shawls.Reason:Acrylic fibres are a replacement or woolen 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. 16. What is chemical name of teflon? A) Polytetrafluoroethylene. B) Polydifluoromonocarbide. C) Polytetracarbonmonofluoride. D) None of the above. Show Answer Correct Answer: A) Polytetrafluoroethylene. 17. The synthetic fibre which resembles silk in texture is A) Acrylic. B) Polyester. C) Rayon. D) Nylon. Show Answer Correct Answer: C) Rayon. 18. The common characteristic properties plastics are A) Durable, good conductor of electricity, and non-reactive. B) Good conductor of heat, light in weight, and good conductor of electricity. C) Durable, light in weight, and non-reactive. D) Durable, good conductor of heat, and non-reactive. Show Answer Correct Answer: C) Durable, light in weight, and non-reactive. 19. Thermoplastic:PVC:plastic:?? A) Nylon. B) Bakelite. C) Polythene. D) Polystrene. Show Answer Correct Answer: B) Bakelite. 20. Firefighters' uniform is coated with a plastic that is fire resistant. Identify the plastic from the given options. A) PET. B) Melamine. C) Polyester. D) Teflon. Show Answer Correct Answer: B) Melamine. 21. Sunil gave his clothes to his younger brotherHari when he outgrew. What is this practiceknown as? A) Reinventing. B) Recycling. C) Reusing. D) Reducing. Show Answer Correct Answer: C) Reusing. 22. Plastics are biodegradable A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 23. SYNTHETIC PLASTIC MATERIALS OBTAINED BY GENTLE HEATING AND MOULDING THAT CANNOT BE RESHAPED BY GENTLE HEATING, IS CALLED: A) THERMOSETTING PLASTICS. B) THERMOPLASTICS. C) POLYPROPENE. D) ALL OF THESE. Show Answer Correct Answer: A) THERMOSETTING PLASTICS. 24. Biodegradable waste such as food items should be thrown in ..... bin A) Blue bin. B) Green bin. C) All the above. D) None of the above. Show Answer Correct Answer: B) Green bin. 25. Disposable cups, bowls, plates are made from ..... A) Melamine. B) Polystyrene. C) Polythene. D) PVC. Show Answer Correct Answer: B) Polystyrene. 26. The term Nylon is named after two cities A) New YorkAustralia. B) LondonCanada. C) New YorkLondon. D) New YorkLahore. Show Answer Correct Answer: C) New YorkLondon. 27. Rayon is a natural fibres A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 28. What is the Natural polymer present in Rayon? A) Cellulose. B) Cotton. C) Chlorophyll. D) Terylene. Show Answer Correct Answer: A) Cellulose. 29. Which of the following is an thermosetting plastics A) Cotton. B) PVC. C) Bakelite. D) Silk. Show Answer Correct Answer: C) Bakelite. 30. A large single unit combined by many small units A) Terrycot. B) Polywool. C) Polyester. D) Polymer. Show Answer Correct Answer: D) Polymer. 31. Which of the following material is a mixture of two fibres? A) Nylon. B) Polywool. C) Polyester. D) Jute. Show Answer Correct Answer: B) Polywool. 32. Polyester is actually made of repeating units of a chemical called as ..... A) Ether. B) Anther. C) Ester. D) None of the above. Show Answer Correct Answer: C) Ester. 33. Which of the following statements is not true about low density polythene? A) Soft. B) Poor conductor of electricity. C) Highly branched structure. D) Hard. Show Answer Correct Answer: D) Hard. 34. Terylene is a popular form of A) Plastic. B) Polyester. C) Nylon. D) Monomer. Show Answer Correct Answer: B) Polyester. 35. What do silk fibres consist of? A) Vitamins. B) Proteins. C) Fats. D) Carbohydrates. Show Answer Correct Answer: B) Proteins. 36. ..... and ..... are two ways of countering the harmful effects associated with plastic disposal A) Burning plastics and not using repeated plastics. B) Reducing the usage of plastics and recycling plastic objects. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reducing the usage of plastics and recycling plastic objects. 37. Plastic buckets are the examples of A) Biodegradable materials. B) Non-biodegradable materials. C) All the above. D) None of the above. Show Answer Correct Answer: B) Non-biodegradable materials. 38. Recyclable waste such as plastic and glass should be thrown in ..... A) Blue bin. B) Green bin. C) All the above. D) None of the above. Show Answer Correct Answer: A) Blue bin. 39. Name some artificial fibres. A) Rayon. B) Polyester. C) Jute. D) Nylon. Show Answer Correct Answer: D) Nylon. 40. Which fibre is used as '' artificial wool" A) Acrylic. B) Polyester. C) Nylon. D) Rayon. Show Answer Correct Answer: A) Acrylic. 41. Out of the following materials::a. Which materials are polyesters? b. Which material is a polyamide? A) Cotton, nylon. B) Terylene, wool. C) Cotton, wool. D) Terylene, nylon. Show Answer Correct Answer: D) Terylene, nylon. 42. Nylon was prepared from ..... A) Coal. B) Water. C) Air. D) All the above. Show Answer Correct Answer: D) All the above. 43. A SUPERIOR SYNTHETIC FIBRE MADE BY THE POLYMERISATION OF AMIDE MOLECULES OBTAINED FROM PETROLEUM PRODUCTS IS CALLED: A) TEFLON. B) NYLON. C) KOROSEAL. D) ALL OF THESE. Show Answer Correct Answer: B) NYLON. 44. ..... is used commonly for making parachute ropes. A) Polyester. B) Nylon. C) Polythene. D) Silk. Show Answer Correct Answer: B) Nylon. 45. Which of the following properties of syntheticplastic makes it the most convenient to use? A) Good electrical conductor. B) Malleable. C) Light, strong and remouldable. D) Reactive. Show Answer Correct Answer: C) Light, strong and remouldable. 46. Where was silk fibre discovered? A) China. B) Germany. C) France. D) India. Show Answer Correct Answer: A) China. 47. Plastics reacts with water and air A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 48. Necklace:bead::polymer: ..... A) Tetramer. B) Dimer. C) Monomer. D) Trimer. Show Answer Correct Answer: C) Monomer. 49. We can mould plastic into various forms because of its property of elasticity. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 50. Polyvinyl Chloride (PVC) is a ..... plastic. A) Thermo. B) Conducting. C) Thermosetting. D) Soft. Show Answer Correct Answer: A) Thermo. 51. The process of combining of small monomers to form large polymer A) Polymer. B) Polymerisation. C) Blended fibre. D) None of the above. Show Answer Correct Answer: B) Polymerisation. 52. ..... is an example of natural polymer A) Rayon. B) Cellulose. C) Nylon. D) All of the above. Show Answer Correct Answer: B) Cellulose. 53. Which of the following plastics objects can be recycled?i). Electric socket ii). Polythene bag iii).PVC pipe iv). Ashtray A) A and B. B) B and C. C) A and D. D) C and D. Show Answer Correct Answer: B) B and C. 54. Paheli Is Taking Preparation For Her Final Examination. She Is Writing Some Statements About "Nylon" But She Confused To Know Whether The Statements Are Correct Or Not? Would You Help Her? A) Nylon is made up of the repeating units of amide chemical. B) Nylon is the first fully synthetic fibre. C) Nylon is a thermosetting polymer. D) Nylon fibres absorb very little water. Show Answer Correct Answer: C) Nylon is a thermosetting polymer. 55. The plastic which cannot be recycled is ..... A) Bakelite. B) Jute. C) Rayon. D) Petrochemicals. Show Answer Correct Answer: A) Bakelite. 56. The word polymer comes from a ..... word. A) Greek. B) Tamil. C) Latin. D) English. Show Answer Correct Answer: A) Greek. 57. ..... is a popular polyester. A) Radius. B) Polythene. C) Terylene. D) Plastic. Show Answer Correct Answer: C) Terylene. 58. Which of the following is used for making non-stick cookwares? A) Thermocol. B) PVC. C) Nylon. D) Teflon. Show Answer Correct Answer: D) Teflon. 59. What plastic is used for handles of frying pans? A) Bakelite. B) Melanie. C) Polyvinyl chloride. D) Polythene. Show Answer Correct Answer: A) Bakelite. 60. Which one of the following is most potent synthetic fibre A) Rayon. B) Polyester. C) Nylon. D) Cotton. Show Answer Correct Answer: B) Polyester. ← PreviousNext →Related QuizzesScience QuizzesClass 8 QuizzesClass 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 1Class 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