NSO Level 1- Science Olympiad (SOF) Class 7: Questions 511 - 515 of 597

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Question 511

Question

MCQ▾

Which of the following is decreased due to deforestation?

Choices

Choice (4)Response

a.

Soil erosion

b.

Rainfall

c.

Soil fertility

d.

Land slides

Question 512

Question

MCQ▾

Which one of the following describes the difference between distance and displacement?

Choices

Choice (4)Response

a.

Distance, total length covered by an object

b.

Distance, a scalar quantity and displacement, a vector quantity.

c.

Displacement, object՚s overall change in position.

d.

All a., b. and c. are correct

Question 513

Question

MCQ▾

Which of the following is called as stored Fat found under the skin of animals found in Polar Regions?

Choices

Choice (4)Response

a.

Bulbar

b.

Bubble

c.

Blubber

d.

Question does not provide sufficient data or is vague

Question 514

Question

MCQ▾

Read the following statement and select the correct option which is true about this statement.

On blowing air in balloon, the size of the balloon increases.

Choices

Choice (4)Response

a.

Air is stronger than balloon

b.

Air exerts pressure

c.

Warm air rises up

d.

None of the above

Question 515

Question

MCQ▾

Which of the following is the role of a bulb in an electric circuit?

Choices

Choice (4)Response

a.

Uses electrical energy provided by the battery

b.

Does not use current

c.

Both a. and b. are correct

d.

None of the above

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