NSO Level 1- Science Olympiad (SOF) Class 9: Questions 881 - 887 of 1123

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Question number: 881

» Biology » Natural Resources

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MCQ▾

Question

All the reactions that take place within our body and within the cells occur between substances that are dissolved in

Choices

Choice (4) Response

a.

Water

b.

Oxygen

c.

Nitrogen

d.

Air

Question number: 882

» Chemistry » Matter

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MCQ▾

Question

Which of the following statements can be considered as a difference between boiling and evaporation?

  1. Boiling takes place only at 100 °C but evaporation takes place at a lower tempertature also.

  2. Evaporation takes place only at 100 °C but boiling takes place at a lower temperature also

  3. Boiling and evaporation take place only at 100 °C

Choices

Choice (4) Response

a.

3

b.

1

c.

2

d.

None of the above

Passage

Direction: A car moving in a triangular path ABC is shown in the picture. Observe the picture carefully and answer questions below

Triangle ABC is shown in the picture

Triangle ABC is Shown in the Picture

Triangle ABC is shown in the picture

Question number: 883 (1 of 4 Based on Passage) Show Passage

» Physics » Motion

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MCQ▾

Question

When the car reaches back A, after covering the triangular path, the total displacement will be

Choices

Choice (4) Response

a.

b.

c.

Zero

d.

Question number: 884 (2 of 4 Based on Passage) Show Passage

» Physics » Motion

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MCQ▾

Question

The distance travelled by the car when it reaches the point C is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 885 (3 of 4 Based on Passage) Show Passage

» Physics » Motion

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MCQ▾

Question

The total displacement when it reaches the point C is

Choices

Choice (4) Response

a.

b.

c.

AC

d.

Question number: 886 (4 of 4 Based on Passage) Show Passage

» Physics » Motion

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MCQ▾

Question

When the car reaches back A, after travelling the triangular path, the total distance covered will be

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 887

» Chemistry » Structure of the Atom

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MCQ▾

Question

Who was the first scientist to propose a model for the structure of an atom?

Choices

Choice (4) Response

a.

J. J. Thomson

b.

John Dalton

c.

Cavendish

d.

Lavoisier

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