NSO Level 1- Science Olympiad (SOF) Class 8: Questions 397 - 402 of 1175

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Question 397

Question

MCQ▾

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 398

Question

MCQ▾

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 399

Question

MCQ▾

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

Question 400

Question

MCQ▾

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 401

Question

MCQ▾

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

Question 402

Question

MCQ▾

Identify the odd combination of the habitat and the particular animal concerned.

Choices

Choice (4)Response

a.

Rann of Kutch – Camel

b.

Dachigam – Snow Leopard

c.

Sunderbans – Bengal Tiger

d.

Periyar - Elephant

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