Synthetic Fibres and Plastics [NSO Level 1- Science Olympiad (SOF) Class 8]: Questions 1 - 5 of 82

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Question number: 1

» Synthetic Fibres and Plastics

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MCQ▾

Question

Rayon fibre is prepared from wood pulp. Still it is considered as a synthetic fibre because

Choices

Choice (4)Response

a.

Plastic is mixed with wood pulp to make rayon

b.

Jute is mixed with it

c.

It is prepared by chemical treatment of wood pulp

d.

The pulp is prepared from artificial wood

Question number: 2

» Synthetic Fibres and Plastics

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MCQ▾

Question

Synthetic fibre is accepted as the most popular dress material. The properties supporting this statement are

Choices

Choice (4)Response

a.

They soak less water than natural material.

b.

They are more durable and less expensive.

c.

They are easy to wash, dry and maintain.

d.

All a. , b. and c. are correct

Question number: 3

» Synthetic Fibres and Plastics

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MCQ▾

Question

The first fully synthetic fibre prepared by man is

Choices

Choice (4)Response

a.

Nylon

b.

Polyester

c.

Rayon

d.

Acrylic

Question number: 4

» Synthetic Fibres and Plastics

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MCQ▾

Question

The popularity of nylon fibre is because of its

Choices

Choice (4)Response

a.

Elastic and lustrous nature

b.

Strength

c.

Weightlessness and easy to wash property

d.

All a. , b. and c. are correct

Question number: 5

» Synthetic Fibres and Plastics

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MCQ▾

Question

The advantages of artificial silk over original silk is

Choices

Choice (4)Response

a.

It is cheaper than silk

b.

Its properties are similar to silk

c.

It can be dyed in a variety of colours

d.

All a. , b. and c. are correct

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