Friday 3 May 2013

CBSE Class 8 - Science - Ch3 - Synthetic Fibres and Fabrics (MCQs)

Synthetic Fibres and Fabrics
Plastics: An Artificial Fibre
image credits:clker.com

MCQs

Q1: The fibres that are obtained from cotton, jute and silk are known as ...

(a) Man made or synthetic fibres
(b) Natural fibres
(c) Artificial fibres
(d) Plastics


Q2: The fibres that are made by human beings are called...

(a) Man-made or synthetic fibres
(b) Natural fibres
(c) Artificial fibres
(d) Plastic


Q3: The natural fibres are made from simple molecule that is known as ...

(a) Polymer
(b) Monomer
(c) Plastics
(d) Cellulose




Q4: The process by which artificial fibres are made from simple molecules is called?

(a) Monomer
(b) Polymer
(c) Polymerization
(d) Thermosetting



Q5: Which fibre is also known as regenerated fibre?

(a) Plastic
(b) Polymer
(c) Rayon
(d) Acrylon


Q6: Parachutes are made from which fibre?

(a) Nylon
(b) Terylene
(c) Plastic
(d) Rayon


Q7: Terylene is a popular form of?

(a) Nylon
(b) Plastic
(c) Monomer
(d) Polyester



Q8: What is PET?

(a) Polyester
(b) Polyester and Terylene
(c) Poly Ethene Tetraphthalate
(d) Poly Ethene Terylene



Q9: The plastics in which monomers are arranged in a straight chain are known as ...

(a)  Thermoplastics
(b)  Thermosetting plastics
(c)   PET
(d)   Polythene


Q10: The fibres which resemble wool are known as ...

(a)  Terylene
(b)  Acrylon
(c)  Polyester
(d)  Nylon



Answer:
1: (b) Natural fibres
2: (a) Man-made or synthetic fibres
3: (b) Monomer
4: (c) Polymerization
5: (c) Rayon
6: (a) Nylon
7: (d) Polyester
8: (c) Poly Ethene Tetraphthalate
9: (a)  Thermoplastics
10: (b)  Acrylon




20 comments:

  1. i also liked it as it is very helpful
    \

    ReplyDelete
  2. it is a nice website i like it . i never seen this type of website it is fantastic.

    ReplyDelete
  3. Wow I loveeeeeeeee this website

    ReplyDelete
  4. Q.8 answer is wrong it is actually polyethylene terephtalate

    ReplyDelete
  5. This comment has been removed by the author.

    ReplyDelete
  6. Me too hv not seen like this website ever...

    ReplyDelete
  7. Me too hv not seen like this website ever...

    ReplyDelete
  8. This comment has been removed by the author.

    ReplyDelete

We love to hear your thoughts about this post!

Note: only a member of this blog may post a comment.