NSO Level 1- Science Olympiad (SOF) Class 8: Questions 925 - 930 of 1175

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Passage

Different Picture

Question 925 (1 of 4 Based on Passage)

Question

MCQ▾

In Figure D, sound is produced by the vibration of

Choices

Choice (4)Response

a.

Stretched membrane

b.

String

c.

Air column

d.

Reed

Question 926 (2 of 4 Based on Passage)

Question

MCQ▾

In which of these instruments sound is produced by the vibration of stretched membrane?

Choices

Choice (4)Response

a.

Figure C

b.

Figure D

c.

Figure A

d.

Figure B

Question 927 (3 of 4 Based on Passage)

Question

MCQ▾

Which of this musical instrument is a reed instrument?

Choices

Choice (4)Response

a.

Figure D

b.

Figure A

c.

Figure C

d.

Figure B

Question 928 (4 of 4 Based on Passage)

Question

MCQ▾

In Fig A, sound is produced by the vibration of

Choices

Choice (4)Response

a.

Reed

b.

Stretched membrane

c.

String

d.

Air column

Question 929

Appeared in Year: 2012

Question

Assertion-Reason▾

Assertion(Ꭺ)

when a bicycle is in motion the force of friction exerted by the ground on the two wheels is always in forward direction.

Reason(Ꭱ)

The frictional force acts only when the bodies are in contact.

Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question 930

Question

MCQ▾

Chemical reactions taking place in a conducting solution by the passage of electricity is called

Choices

Choice (4)Response

a.

Electrical effect of chemical substance

b.

Chemical effect of electric current

c.

Chemical change due to electric current

d.

Question does not provide sufficient data or is vague

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