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