NSO Level 1- Science Olympiad (SOF) Class 8: Questions 211 - 216 of 1175

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Question 211

Question

MCQ▾

Which of the following food is preserved by deep freezing?

Choices

Choice (4)Response

a.

Cereals and pulses

b.

Pickles and salads

c.

Fruits and vegetables

d.

Jams and jellies

Question 212

Question

MCQ▾

This can be considered as a reason for the extinction of endemic species

Choices

Choice (4)Response

a.

Introduction of new species in their habitat

b.

Increasing population

c.

Destruction of natural habitat

d.

All a., b. and c. are correct

Question 213

Question

MCQ▾

The cooked food kept in refrigerator should be heated properly before using. The possible reason may be

Choices

Choice (4)Response

a.

Refrigerator do not completely rule out the possibility of food spoilage.

b.

The microbes start growing as soon as we take the food out from the refrigerator.

c.

Both a. and b. are correct

d.

None of the above

Question 214

Question

MCQ▾

The hormone that controls the behaviour during emotional situations is

Choices

Choice (4)Response

a.

Thyroxin

b.

Insulin

c.

Adrenalin

d.

Question does not provide sufficient data or is vague

Question 215

Question

MCQ▾

This is an example of an extinct animal

Choices

Choice (4)Response

a.

Dinosaur

b.

Wild buffalo

c.

Giant squirrel

d.

Dodo

Question 216

Question

MCQ▾

Direction: Study the picture carefully and answer

The Insects Given in the Image

How do they help the farmer?

Choices

Choice (4)Response

a.

They help in improving the fertility of soil.

b.

They help in pollination.

c.

They help in controlling the pests.

d.

None of the above

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