NCERT Class 8 Science-Synthetic Fibres and Plastics[Types of Synthetic Fibres] [NCERT Based General Studies (GS)]: Questions 1 - 6 of 7

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Question 1

Question MCQ▾

Rayon is called regenerated fibre because:

Choices

Choice (4)Response

a.

its formation is a case of purification of cellulose

b.

of the blending property of rayon

c.

its formation is the case of synthesis of cellulose

d.

of its shining softness and absorbing properties

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Question 2

Question MCQ▾

Blending property of polyesters is used in the formation of:

Choices

Choice (4)Response

a.

For making sarees.

b.

Mixed with wool to make long lasting fabrics

c.

Aprons and caps

d.

Terrycot, Terrywool, Terrysilk etc.

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Question 3

Question MCQ▾

The characteristics of synthetic fibres are:

Choices

Choice (4)Response

a.

More durable

b.

Less Expensive

c.

Not attacked by insects and pests

d.

All a., b. and c. are correct

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Question 4

Question MCQ▾

Another name for rayon is:

Choices

Choice (4)Response

a.

Synthetic fibre

b.

Man-made fibre

c.

Artificial fibre

d.

Artificial silk

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Question 5

Question MCQ▾

Polyester is inert to sea water thus it is used for making of:

Choices

Choice (4)Response

a.

For making bottles and containers

b.

For making swim wears

c.

Sail boats, water hoses for fighting and as a packing material for food

d.

For making base of magnetic recording tape.

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Question 6

Question MCQ▾

One fully synthetic fibre is:

Choices

Choice (4)Response

a.

Polyesters

b.

Nylon

c.

Rayon

d.

Acrylic fibres

Edit