NSO Level 1- Science Olympiad (SOF) Class 8: Questions 211 - 215 of 1076

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Question number: 211

» Microorganisms

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MCQ▾

Question

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 number: 212

» Conservation of Plants and Animals

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MCQ▾

Question

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 number: 213

» Microorganisms

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MCQ▾

Question

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 number: 214

» Reproduction in Animals

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MCQ▾

Question

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 number: 215

» Conservation of Plants and Animals

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MCQ▾

Question

This is an example of an extinct animal

Choices

Choice (4)Response

a.

Dinosaur

b.

Wild buffalo

c.

Giant squirrel

d.

Dodo

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