Synthetic Fibres and Plastics MCQ

Synthetic fibers and Plastics MCQ Chapter 3 Science

which among these is a natural fiber?

  • a. Plastic.
  • b. Nylon
  • c. Crayon
  • d. Silk
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]d. Silk[/su_spoiler][bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Explanation” collapse_text=”Show Less” ]Silk, jute, cotton, coconut coir etc are natural fibres.[/su_spoiler]

Which among these is a synthetic fibre?

    • a. Silk
    • b. Jute.
    • c. Cotton.
    • d. Plastics
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]d. Plastics[/su_spoiler]

Cotton is a polymer of _ _ _ _

  • a. Cellulose.
  • b. Alcohol
  • c. Calciferol
  • d. Thiamine
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ] a. Cellulose.[/su_spoiler][bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Explanation” collapse_text=”Show Less” ]Fibres are made by reputation of small units, So we call them polymers. Cotton is a polymer of cellulose.[/su_spoiler]

Which among these is artificial silk?

  • a. Nylon.
  • b. Crayon.
  • c. Rayon.
  • d. Cotton.
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]c. Rayon.[/su_spoiler][bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Explanation” collapse_text=”Show Less” ]Chinese first discovered how to make silk from silkworm. But they kept this as secret to the world. Silk was very costly. Firt synthetic silk was prepared by scientist using wood pulp. This is Rayon.[/su_spoiler]

Strongest fibre among these are:

  • a. Cotton
  • b. Wool
  • c. Silk
  • d.Nylon
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]d. Nylon.[/su_spoiler][bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Explanation” collapse_text=”Show Less” ]Nylone wire is stronger than steel. So, we use them in rock climbing wire and parachutes.[/su_spoiler]Synthetic fibres and Plastics MCQ

Plastic bottles and jars are made up of:

  • a. Polythene
  • b. Polyethylene terephthalate (PET)
  • c. Polyester
  • d. Terylene
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]b. Polyethylene terephthalate (PET).[/su_spoiler]

Polyester have repeating units of:

  • a. Alcohol
  • b. Acid
  • c.Ester
  • d. Amide
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]c. Ester.[/su_spoiler]

Polycotton is:

  • a. A polymer of cotton
  • b. Mixture of polyester and cotton
  • c. A polymer of cellulose
  • d. A polymer of ester
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]b.¬†Mixture of polyester and cotton[/su_spoiler]

Synthetic wool is a:

  • a.¬† Polyester
  • b. Polycotton
  • c. Acrylic fiber
  • d. Terylene
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]c. Acrylic fibre.[/su_spoiler]

Which fibre catches fire and sticks to the skin

  • a. Silk
  • b. Natural wool
  • c. Polyester
  • d. Jute
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]c. Rayon.[/su_spoiler][bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Explanation” collapse_text=”Show Less” ]Polyester easily catches fire and sticks to the skin. So, we do not use them while working in kitchen.[/su_spoiler]

Which fibre DONOT soak water?

  • a. Jute
  • b. Silk
  • c. Nylon
  • d. None
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]c. Nylon.[/su_spoiler]

Which among these is a non-biodegradable

  • a. Silk
  • b. Jute
  • c. Cotton
  • d. Plastic
[bg_collapse view=”button-green” color=”#4a4949″ icon=”eye” expand_text=”Answer” collapse_text=”Show Less” ]d. Plastic.[/su_spoiler]

See also:

Microorganisms Friend or foe MCQ

Crop Production and Management MCQ

Synthetic fibres and Plastics MCQ Chapter 3 Science

 

Ref: Ch 3.

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