Get link Facebook X Pinterest Email Other Apps - August 05, 2025 Synthetic Fiber and Plastic Quiz - Class 8 Synthetic Fiber and Plastic Quiz Class 8 - Willer Academy Multiple Choice Questions (40 Questions) 1. What is synthetic fiber made from? Natural sources like plants and animals Minerals Chemicals (man-made) Metals 2. Which of the following is a synthetic fiber? Cotton Nylon Wool Silk 3. Which synthetic fiber is commonly used in making fishing nets and parachutes? Polyester Nylon Rayon Acrylic 4. Plastics are generally made from which material? Rubber Petroleum Wood Glass 5. Which of the following is a thermoplastic? Bakelite PVC (Polyvinyl Chloride) Melamine Epoxy 6. Which synthetic fiber is made from cellulose chemically treated? Nylon Rayon Polyester Acrylic 7. Which plastic is commonly used in making water pipes and bottles? PVC Nylon Polyethylene Bakelite 8. Which is NOT a property of synthetic fibers? Durable Water-resistant Easily inflammable Absorbs water well 9. Which plastic is known for being heat resistant and used for electrical switches? Nylon Bakelite Polyethylene PVC 10. Which synthetic fiber is mostly used in warm clothing? Acrylic Nylon Polyester Rayon 11. Polyester is a type of _______. Natural fiber Synthetic fiber Animal fiber Plant fiber 12. Which synthetic fiber is used in making ropes? Nylon Cotton Wool Silk 13. Which plastic is used to make credit cards? Bakelite PVC Polyethylene Nylon 14. The raw material for nylon is _______. Coal Petroleum Natural gas Wood 15. Which is biodegradable? Natural fibers Synthetic fibers All plastics None of these 16. Which plastic is commonly used in packaging bags? Polyethylene PVC Nylon Bakelite 17. Which of the following is NOT a synthetic fiber? Rayon Cotton Nylon Polyester 18. Which plastic is used in making bottle caps? Polypropylene PVC Nylon Polyethylene 19. Which of the following fibers is heat resistant? Cotton Wool Nylon Polyester 20. Which plastic is used to make electrical insulation parts? Epoxy Bakelite Polyethylene PVC 21. Polymers are made up of _______. Small molecules Large molecules Metals Minerals 22. Which is used as a synthetic substitute for silk? Nylon Rayon Polyester Acrylic 23. What is the main advantage of synthetic fibers over natural fibers? They are cheaper They last longer and resist wrinkles They absorb water better They are biodegradable 24. Which plastic is used to make toys? PVC Polyethylene Polystyrene Nylon 25. The process of making synthetic fibers is called _______. Weaving Spinning Polymerization Melting 26. Plastics are generally classified into how many types? Two types Three types Four types Five types 27. Which plastic is hard and heat-resistant and used in making electrical plugs? Bakelite PVC Polyethylene Polystyrene 28. Nylon belongs to which group? Natural fibers Synthetic fibers Animal fibers Metallic fibers 29. Synthetic fibers are mostly made from _________. Animal products Artificial chemicals Plant fibers Minerals 30. Which synthetic fiber is known for its strong and elastic properties? Cotton Nylon Wool Rayon 31. Synthetic fibers are _______ than natural fibers generally. More expensive Less durable Stronger and more durable Heavier 32. What is polymerization? Breaking down polymers Joining small molecules to form polymers Melting polymers Burning polymers 33. Which synthetic fiber is also called artificial silk? Nylon Rayon Polyester Acrylic 34. The disadvantage of plastic is ______. It is costly It is difficult to dispose and pollutes environment It is light It is non-reactive 35. Which synthetic fiber is used in making tire cords and ropes? Wool Nylon Cotton Rayon 36. Polythene is made from which monomer? Ethylene Propylene Styrene Vinyl chloride 37. Plastic is generally _______. Heavy and brittle Light and flexible Conducts electricity Magnetic 38. Which synthetic fiber is known for water repellency? Nylon Cotton Wool Rayon 39. Which plastic is used in making insulated wires? PVC Polyethylene Bakelite Polystyrene 40. Why is recycling plastic important? To save trees To reduce pollution and conserve resources To increase plastic production To create synthetic fibers Objective Type Questions (10 Questions) 41. Nylon is a natural fiber. (True/False) True False 42. Synthetic fibers are more durable than natural fibers. (True/False) True False 43. Rayon is made from chemically treated cellulose. (True/False) True False 44. Baking soda is used in making plastics. (True/False) True False 45. Plastic is non-biodegradable. (True/False) True False 46. Synthetic fibers are made using natural raw materials only. (True/False) True False 47. PVC is used in making water pipes. (True/False) True False 48. Acrylic is used in making warm clothes. (True/False) True False 49. Biodegradable means can be broken down naturally. (True/False) True False 50. Polythene bags are harmful to the environment. (True/False) True False Submit Answers Get link Facebook X Pinterest Email Other Apps Comments
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