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 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The polymers in which smaller units are linked to each other in straight arrangement are called A) Cross-linked polymers. B) Linear polymers. C) Branched polymers. D) None of the above. Show Answer Correct Answer: B) Linear polymers. 2. ..... is called fake fur. A) Nylon. B) Terylene. C) Rayon. D) Acrylic. Show Answer Correct Answer: D) Acrylic. 3. THE FILAMENT OF WHICH KIND OF SYNTHETIC POLYMER WAS FIRST OBTAINED THAT COULD BE STRETCHED SEVERAL TIMES ITS ORIGINAL LENGTH? A) POLYESTER. B) NYLON. C) ACRYLIC. D) NONE OF THESE. Show Answer Correct Answer: B) NYLON. 4. Hermann mark was father of ..... and hermann staudinger was father of ..... A) Polymer chemistry and polymer physics. B) Synthetic chemistry and synthetic physics. C) Textile chemistry and textile physics. D) None of the above. Show Answer Correct Answer: A) Polymer chemistry and polymer physics. 5. 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. 6. Identify the type of plastic that can best be used to make electrical switches. A) PET. B) Polythene. C) Bakelite. D) PVC. Show Answer Correct Answer: C) Bakelite. 7. Which of the following is poor conductor of heat and electricity? A) Bakelite. B) Copper. C) Graphite. D) None of these. Show Answer Correct Answer: A) Bakelite. 8. Nylon is prepared by the polymerisation of ..... molecules. A) Amide. B) Carbon. C) Hydrogen. D) None of the above. Show Answer Correct Answer: A) Amide. 9. What is the other name of artificial silk? A) Polyester. B) Nylon. C) Acrylic. D) Rayon. Show Answer Correct Answer: D) Rayon. 10. Polyester is another A) Nylon. B) Rayon. C) Synthetic Fibre. D) SIlk. Show Answer Correct Answer: C) Synthetic Fibre. 11. Match column I with column II and mark the correct option from the codes given below.Column I Column II Polyester (i) Prepared by using woodpulp Teflon (ii) Used for making para chute and stockings Rayon (iii) Used for making non-stick cook wares Nylon (iv) Fabrics do not wrinkle easily A) -(iv), -(ii), -(i), (i). B) -(ii), -(i), -(i), -(ii). C) -(i), -(ii), -(iv. D) -(iv), -(ii), -(ii), -(i). Show Answer Correct Answer: A) -(iv), -(ii), -(i), (i). 12. We should not wear synthetic clothes while cooking in the kitchen or in a laboratory. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. The purest natural form of cellulose is A) Rayon. B) Wool. C) Silk. D) Cotton. Show Answer Correct Answer: D) Cotton. 14. Cooking pans have plastic handles because A) They are light, durable and strong. B) They are non-reactive. C) They are poor conductors of heat and electricity. D) They do not catch fire. Show Answer Correct Answer: C) They are poor conductors of heat and electricity. 15. What may happen due to improper methods of disposal of plastic wastes by burning or throwing them into rivers?(i) Endanger the lives of aquatic plants and animals.(ii) causes air pollution.(iii) damage our immune system. A) (i) and (ii) only. B) (iI) and (iiI) only. C) (i) and (iii) only. D) (i), (ii) and (iii). Show Answer Correct Answer: A) (i) and (ii) only. 16. Which of the following is a source of rayon? A) Silk. B) Wool. C) Wood pulp. D) PET. Show Answer Correct Answer: C) Wood pulp. 17. We should not wear synthetic clothes while working in in the kitchen or in a laboratory because A) Synthetic clothes are very costly. B) Stain on synthetic clothes are hard to clean /wash. C) If the synthetic clothes catch fire, the fabric melts and sticks to the body of the person wearing it. D) Both A and B. Show Answer Correct Answer: C) If the synthetic clothes catch fire, the fabric melts and sticks to the body of the person wearing it. 18. Which of the following plastics is used for making electric switches, plugs and sockets? A) Bakelite. B) Melamine. C) Polyvinyl chloride Melamine. D) Polythene. Show Answer Correct Answer: A) Bakelite. 19. Parachute fabric is made of ..... A) Dacron. B) Nylon. C) Terylene. D) Rayon. Show Answer Correct Answer: B) Nylon. 20. Select the correct option from the given statements. A) Polymers cannot form fibres. B) Polymers can be both natural and synthetic. C) Polymer is a natural substance. D) Polymer is a synthetic substance. Show Answer Correct Answer: B) Polymers can be both natural and synthetic. 21. Name the basic component of animal fibres. A) Nutrients. B) Protein. C) All the above. D) None of the above. Show Answer Correct Answer: B) Protein. 22. What of the following is used for making stockings and parachutes? A) Cotton. B) Nylon. C) Wool. D) Bakelite. Show Answer Correct Answer: B) Nylon. 23. The first man made fibre is A) Nylon. B) Rayon. C) Acrylic. D) Polyester. Show Answer Correct Answer: B) Rayon. 24. Plastics are poor conductor of A) Air. B) Heat and electricity. C) Water. D) None of these. Show Answer Correct Answer: B) Heat and electricity. 25. A chain of small chemical units combined to form a large single unit is called ..... A) A) Polymer. B) B) Poly. C) All the above. D) None of the above. Show Answer Correct Answer: A) A) Polymer. 26. Bakelite is an example of A) Thermosetting plastic. B) Thermoplastic. C) Synthetic fiber. D) None of the above. Show Answer Correct Answer: A) Thermosetting plastic. 27. The strongest fibre is A) Nylon. B) Acrylic. C) Polyster. D) Rayon. Show Answer Correct Answer: A) Nylon. 28. Name a natural fibre. A) Polyester. B) Jute. C) Cotton. D) Nylon. Show Answer Correct Answer: C) Cotton. 29. Which of the following are not the properties of Plastics? A) Sonority. B) Electrical conductivity. C) Flammability. D) Thermal conductivity. Show Answer Correct Answer: A) Sonority. 30. Which of the following polymers is not made by humans in an industrial process? A) Bakelite. B) Nylon. C) Melamine. D) Acrylic. E) Silk. Show Answer Correct Answer: E) Silk. 31. What was the initial raw compound used to make Chardonnet's silk? A) Nitrocellulose. B) Cuproammonium hydroxy carbonate. C) Cellulose tetraacetate. D) None of the above. Show Answer Correct Answer: A) Nitrocellulose. 32. Which type of plastic is Bakelite? A) Thermosetting plastic. B) Thermoplastic. C) None of the above. D) None of the above. Show Answer Correct Answer: A) Thermosetting plastic. 33. Polycot is obtained by mixing ..... A) Nylon and wool. B) Polyester and wool. C) Nylon and cotton. D) Polyester and cotton. Show Answer Correct Answer: D) Polyester and cotton. 34. The plastic which cannot be recycled A) Bakelite. B) Rayon. C) Petrochemicals. D) Jute. Show Answer Correct Answer: A) Bakelite. 35. Which fibre is generally called fake fur A) Rayon. B) Nylon. C) Acrylic. D) Polyester. Show Answer Correct Answer: C) Acrylic. 36. Plastics which resists fire and can tolerate heat better than other plastics A) Melamine. B) Polythene. C) PVC. D) Bakelite. Show Answer Correct Answer: A) Melamine. 37. You must not wear synthetic fibres while working with fire because ..... A) They make you feel cold and so you may get a frost-bite. B) They are lustrous and so they shine under the flame. C) They melt on heating and stick to your body when they catch fire. D) None of the above. Show Answer Correct Answer: C) They melt on heating and stick to your body when they catch fire. 38. What are some advantages of synthetic materials? A) Cheaper to manufacture. B) Stronger than similar products made from natural material. C) Often better quality. D) All of the above. Show Answer Correct Answer: D) All of the above. 39. Fibres of ..... resemble that of silk and hence, it is popularly known as 'artificial silk'. A) Polyester. B) Acrylic. C) Nylon. D) Rayon. Show Answer Correct Answer: D) Rayon. 40. Which of the following are not in 5R' principal A) Recycle. B) Refuse. C) Repurchase. D) Reuse. Show Answer Correct Answer: C) Repurchase. 41. Synthetic fibres do not shrink A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 42. The 4 R Principle is A) Reduce, Reuse, Recycle, Recover. B) Remember, reduce, Recycle, Rejoice. C) Repeat, Rejoice, recycle, reduce. D) None of the above. Show Answer Correct Answer: A) Reduce, Reuse, Recycle, Recover. 43. Melamine's high nitrogen content make it ..... resistant A) Fire. B) Weather. C) Cryogenous environment. D) Water. Show Answer Correct Answer: A) Fire. 44. The raw material for making nylon is A) Cellulose. B) Wood pulp. C) Coal air water. D) None of these. Show Answer Correct Answer: C) Coal air water. 45. It is not advisable to wear clothes made of synthetic fibre while working near fire because A) They areuncomfortable in those works. B) They melt onheating and cause heavy burns. C) Theydo not absorb moisture. D) Theyare shiny and lustrous. Show Answer Correct Answer: B) They melt onheating and cause heavy burns. 46. Which synthetic fibre is known as artificial silk? A) Nylon. B) Rayon. C) Acrylic. D) None of the above. Show Answer Correct Answer: B) Rayon. 47. Type of Polyester A) Acrylic. B) Rayon. C) Nylon. D) Terelane. Show Answer Correct Answer: D) Terelane. 48. The 4R principle is A) Reduce, Reuse, Recycle, Recover. B) Remember, Reduce, Recycle, Rejoice. C) Repeat, Recycle, Rejoice, Reduce. D) None of these. Show Answer Correct Answer: A) Reduce, Reuse, Recycle, Recover. 49. Which of the following is called wonder polymer? A) Nylon. B) Plastic. C) Silk. D) Rayon. Show Answer Correct Answer: A) Nylon. 50. ..... are the chemicals which gave fruits their smell A) Ethene. B) Wood pulp. C) Amide. D) Ester. Show Answer Correct Answer: D) Ester. 51. This FIRST man-made fiber is chemically produced from cellulose and it is used to make fabrics with a linen look. A) Nylon. B) Rayon. C) Polyester. D) Acetate. Show Answer Correct Answer: B) Rayon. 52. Rayon is otherwise called as A) Artificial cotton. B) Artificial silk. C) Artificial wool. D) Artificial rubber. Show Answer Correct Answer: B) Artificial silk. 53. The first synthetic fibre formed from a natural material wood pulp is A) Polyester. B) Nylon. C) Rayon. D) Acrylic. Show Answer Correct Answer: C) Rayon. 54. Man made fibres are otherwise called as A) Synthetic fibres. B) Natural fibres. C) Organic fibres. D) None. Show Answer Correct Answer: A) Synthetic fibres. 55. Who produced the first ever synthetic fibre? A) Joseph Swan. B) Micheal Reynolds. C) Frank Washington. D) Sebastin Stan. Show Answer Correct Answer: A) Joseph Swan. 56. Polyester is cheaper than Arcylic A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 57. Fibre obtained by chemical treatment of wood pulp is called ..... A) Polyester. B) Nylon. C) Natural silk. D) Rayon. Show Answer Correct Answer: D) Rayon. 58. Plastic reacts with diluted acids A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 59. Electrical switches are made up of A) Melamine. B) Bakelite. C) PVC. D) Polythene. Show Answer Correct Answer: B) Bakelite. 60. Plastics which have linear arrangement of molecules are A) Thermoelectric plastics. B) Thermoplastics. C) Thermosetting plastics. D) None of these. Show Answer Correct Answer: B) Thermoplastics. ← 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 2Class 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