Quiz  /  Synthetic fibres and Plastics Class 8 MCQ Questions With Answers

  • 1. 
    Which of the following is used to make non-stick cookwares?

  • Polyester
  • Teflon
  • Rayon
  • Nylon

  • 2. 
    What are the 2 types of plastics:

  • Thermoplastic and Thermosetting plastics
  • Thermosetting plastics and PVC
  • Thermoplastic and bakelite
  • None of the above

  • 3. 
    Which type of plastic is Bakelite

  • Thermosetting plastic
  • Thermoplastic
  • None of the above
  • None of these

  • 4. 
    Which of the following fibre is made up of wood pulp?

  • Nylon
  • Acrylic
  • Polyester
  • Rayon

  • 5. 
    Name a basic component of animal fibres.

  • Protein
  • cellulose
  • fats
  • animal calls

  • 6. 
    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?

  • Nylon is the first fully synthetic fibre.
  • Nylon is made up of the repeating units of amide chemical.
  • Nylon is a thermosetting polymer.
  • Nylon fibres absorb very little water.

  • 7. 
    _________ is the first fully synthetic fibre.

  • Acrylic
  • Polyester
  • Nylon
  • Rayon

  • 8. 
    Synthetic fibres do not shrink

  • True
  • False

  • 9. 
    Rayon is the different from synthetic fiber because

  • it has a silk like appearance
  • it is obtained from wood pulp
  • its fibers can also be woven like those of natural fibers
  • All the above

  • 10. 
    What is the full form of PVC?

  • Polyvinyl Chloride
  • Permanent Virtual Circuit
  • Both A & B
  • None of these

  • 11. 
    Which fibre is used as artificial wool?

  • Rayon
  • Acrylic
  • Nylon
  • Cotton

  • 12. 
    Plastics are eco-friendly

  • True
  • False

  • 13. 
    Polymers are made up of small units called

  • layers
  • molecules
  • cells
  • monomers

  • 14. 
    Nylon was prepared from ____________

  • Coal and Oil
  • Coal, Water and Air
  • Coal and Water
  • Coal and Mixture of whatever and oil

  • 15. 
    Which fibre is used to make swimming dresses

  • Rayon
  • Silk
  • Acrylic
  • Nylon

  • 16. 
    Monomer of Rayon and Nylon respectively.

  • Rayon - Amide , Nylon - cellulose
  • Rayon - strongest , Nylon - Acrylonitrile
  • Rayon- cellulose , Nylon- Amide
  • none of the above

  • 17. 
    Which fibre is used to make parachutes?

  • nylon
  • Rayon
  • Teflon
  • Jute

  • 18. 
    Which synthetic fibre is called as an artificial silk?

  • Nylon
  • Rayon
  • Terylene
  • Polymer

  • 19. 
    True or falsePlastics do not effect environment in any way

  • True
  • False

  • 20. 
    Iron rusts when it is exposed to ______________ and _____________.

  • Air, Water
  • Air, Fire
  • Oxygen, Fire
  • Fire, Water

  • 21. 
    Polythene and PVC are examples of

  • Bio degradable substance
  • Thermoplastics

  • 22. 
    What is Ester?

  • A fibre
  • A sweet-smelling compound.
  • Polymer + polyester
  • None of the above
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