NSO Level 1- Science Olympiad (SOF) Class 8: Questions 394 - 399 of 1076

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Question number: 394

» 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: 395

» 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: 396

» Conservation of Plants and Animals

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Question

According to IUCN Red List, what is the status of Red Panda (Ailurus fulgens)?

Choices

Choice (4) Response

a.

Critically endangered species

b.

Vulnerable species

c.

Extinct species

d.

Endangered species

Question number: 397

» Conservation of Plants and Animals

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MCQ▾

Question

If we uncover half of the forest, covering of the earth, what crisis will be produced at most and at first?

Choices

Choice (4) Response

a.

Rest half forests will maintain this imbalance

b.

Energy crisis will occur

c.

Population and ecological imbalance will rise up

d.

Some species will be extincted

Question number: 398

» Conservation of Plants and Animals

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MCQ▾

Question

Black bug, Horn bill, White tiger, Wild buffalo

Choices

Choice (4) Response

a.

Extinct species

b.

Endangered species

c.

Endemic species

d.

All of the above

Question number: 399

» Conservation of Plants and Animals

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MCQ▾

Question

Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year

Choices

Choice (4) Response

a.

1986

b.

1985

c.

1988

d.

1987

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