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Question-1
In present times, plastics are used by majority of people because
I. Plastics are quite cheap.
II. Plastics can be handled with ease.
III.Plastics are unbreakable.
IV.Plastics are light-weight.

(A) I and II only	(B) II and III only
(C) I, II, and III only	(D) I, II and IV only

Question-2
Select the one that is a natural fibre.

(A) Cellulose	(B) Nylon
(C) Dacron	(D) Terylene

Question-3
Wool is obtained from _______ of sheep.

(A) Skin	(B) Toes
(C) Fleece	(D) All of the above

Question-4
Raw materials for most of the fabrics are obtained from

(A) Earth	(B) Sky
(C) Petroleum	(D) None of these

Question-5
Select the material that is used to make ropes for use in rock climbing.

(A) Nylon-6	(B) Nylon-66
(C) Rayon	(D) Acrylic

Question-6
To which of the following 4R principle apply most?

(A) Synthetic fibre	(B) Natural fibre
(C) Metals	(D) Plastic

Question-7
Acrylic fibres

(A) Are a substitute for natural wool.	(B) Decompose with melting.
(C) Are not crimpy.	(D) All the above are correct.

Question-8
The process of taking out threads from the cocoon is known as:

(A) rearing	(B) sorting
(C) scouring	(D) reeling

Question-9
Which of the following are used to obtain fabrics ?

1.Weaving ii.Knitting iii.Setting iv.Serving

(A) I and II only	(B) II and III only
(C) I, II and III only	(D) I, II and IV only

Question-10
Silk is obtained from ____________ of the silk moth.

(A) Pupa	(B) Larva
(C) Cocoon	(D) Caterpillar

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Std 8

CBSE

Practice in Related Chapters
Combustion,flame and fuel
Coal and Petroleum
Synthetic Fibres and Plastics
Pollution of Air and Water
Metals and Non-Metals

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