Synthetic Fibres and Plastics MCQs with answers

Dear candidates you will find MCQ questions of 8th Class - Science | Chapter: Synthetic Fibres and Plastics here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
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Q. What is the other name for artificial silk?
  • (A) Nylon
  • (B) Rayon
  • (C) Acrylic
  • (D) Polyester
💬 Discuss
✅ Correct Answer: (B) Rayon
Q. Which fibre is used as artificial wool?
  • (A) Acrylic
  • (B) Rayon
  • (C) Nylon
  • (D) Cotton
💬 Discuss
✅ Correct Answer: (A) Acrylic
Q. Polymers are made up of small units called
  • (A) layers
  • (B) molecules
  • (C) cells
  • (D) monomers
💬 Discuss
✅ Correct Answer: (D) monomers
Q. The strongest synthetic fibre is
  • (A) nylon
  • (B) rayon
  • (C) polyester
  • (D) acrylic
💬 Discuss
✅ Correct Answer: (A) nylon
Q. Wood pulp is used to make
  • (A) plastic
  • (B) wool
  • (C) jute
  • (D) rayon
💬 Discuss
✅ Correct Answer: (D) rayon
Q. Which of the following is a natural fibre?
  • (A) Wool
  • (B) Nylon
  • (C) PVC
  • (D) Polythene
💬 Discuss
✅ Correct Answer: (A) Wool
Q. Melamine is
  • (A) thermoplastic polymer
  • (B) thermosetting polymer
  • (C) fibre
  • (D) elastomer
💬 Discuss
✅ Correct Answer: (B) thermosetting polymer
Q. Fibre produced in factories is called
  • (A) man-made fibre
  • (B) natural fibre
  • (C) synthetic fibre
  • (D) both (a) and (c)
💬 Discuss
✅ Correct Answer: (D) both (a) and (c)
Q. PET is a
  • (A) polyester
  • (B) polyamide
  • (C) nylon
  • (D) thermosetting polymer
💬 Discuss
✅ Correct Answer: (A) polyester
Q. Which of the following cannot be recycled?
  • (A) Toys
  • (B) Cooker handles
  • (C) Carry bags
  • (D) Plastic chair
💬 Discuss
✅ Correct Answer: (B) Cooker handles
Q. The plastic which cannot be recycled is
  • (A) jute
  • (B) rayon
  • (C) petrochemicals
  • (D) bakelite
💬 Discuss
✅ Correct Answer: (D) bakelite
Q. Bakelite is an example of
  • (A) fibre
  • (B) elastomer
  • (C) nylon
  • (D) thermosetting polymer
💬 Discuss
✅ Correct Answer: (D) thermosetting polymer
Q. Which term is used for polymers made up of a large number of glucose units?
  • (A) Protein
  • (B) Fructose
  • (C) Cellulose
  • (D) Polyester
💬 Discuss
✅ Correct Answer: (C) Cellulose
Q. Which of the following is non-biodegradable?
  • (A) Paper
  • (B) Cotton cloth
  • (C) Wood
  • (D) Plastic
💬 Discuss
✅ Correct Answer: (D) Plastic
Q. Which of the following is natural fibre obtained from plants?
  • (A) Cotton
  • (B) Wool
  • (C) Rayon
  • (D) Ketone
💬 Discuss
✅ Correct Answer: (A) Cotton
Q. Synthetic fibres are made by
  • (A) human beings
  • (B) Animals
  • (C) Birds
  • (D) None
💬 Discuss
✅ Correct Answer: (A) human beings
Q. Many small units combine to form a large single unit called a ………….
  • (A) Nylon
  • (B) Polymer
  • (C) Synthetic fibres
  • (D) None of the above
💬 Discuss
✅ Correct Answer: (B) Polymer
Q. A nylon wire is …………. than steel wire.
  • (A) Weaker
  • (B) Stronger
  • (C) Any of the above
  • (D) None of the above
💬 Discuss
✅ Correct Answer: (B) Stronger
Q. All the synthetic fibres are prepared using raw materials of petroleum origin called ………….
  • (A) Petrochemicals
  • (B) Biochemicals
  • (C) Human beings
  • (D) None
💬 Discuss
✅ Correct Answer: (A) Petrochemicals
Q. Plastics are …………. conductors of electricity
  • (A) Good
  • (B) Medium
  • (C) Poor
  • (D) None
💬 Discuss
✅ Correct Answer: (C) Poor
Q. Nylon was prepared from …………. , …………. and ………….
  • (A) Coal, water, air.
  • (B) Sand, water, air
  • (C) Sand, oil, water
  • (D) Coal, oil, air
💬 Discuss
✅ Correct Answer: (A) Coal, water, air.
Q. All fibres are made up of very large units which in turn are made up of many small units.
  • (A) True
  • (B) False
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (A) True
Q. Nylon was also known as artificial silk in China.
  • (A) True
  • (B) False
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (B) False
Q. Acrylic is an artificial wool.
  • (A) True
  • (B) False
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (A) True
Q. Plastics are light, strong and durable.
  • (A) True
  • (B) False
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (A) True
Q. It is not advised to store food items in plastic containers as it may react with the w ills of container.
  • (A) True
  • (B) False
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (B) False
Q. Bake lite is poor conductor of electricity.
  • (A) True
  • (B) False
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (A) True

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Table of contents

  1. What is the other name for artificial silk?
  2. Which fibre is used as artificial wool?
  3. Polymers are made up of small units called
  4. The strongest synthetic fibre is
  5. Wood pulp is used to make
  6. Which of the following is a natural fibre?
  7. Melamine is
  8. Fibre produced in factories is called
  9. PET is a
  10. Which of the following cannot be recycled?
  11. The plastic which cannot be recycled is
  12. Bakelite is an example of
  13. Which term is used for polymers made up of a large number of glucose units?
  14. Which of the following is non-biodegradable?
  15. Which of the following is natural fibre obtained from plants?
  16. Synthetic fibres are made by
  17. Many small units combine to form a large single unit called a ………….
  18. A nylon wire is …………. than steel wire.
  19. All the synthetic fibres are prepared using raw materials of petroleum origin called ………….
  20. Plastics are …………. conductors of electricity
  21. Nylon was prepared from …………. , …………. and ………….
  22. All fibres are made up of very large units which in turn are made up of many small units.
  23. Nylon was also known as artificial silk in China.
  24. Acrylic is an artificial wool.
  25. Plastics are light, strong and durable.
  26. It is not advised to store food items in plastic containers as it may react with the w ills of conta
  27. Bake lite is poor conductor of electricity.

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