NSO Level 1- Science Olympiad (SOF) Class 9: Questions 428 - 432 of 1123

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Question number: 428

» Physics » Motion

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MCQ▾

Question

Which of the following statement is true about velocity

Choices

Choice (4)Response

a.

Its magnitude is always greater than the speed

b.

Its unit is

c.

It cannot be zero

d.

It is a vector quantity

Question number: 429

» Chemistry » Structure of the Atom

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MCQ▾

Question

The number of protons in the nucleus of an atom is called its

Choices

Choice (4)Response

a.

Valency

b.

Mass number

c.

Atomic number

d.

None of the above

Passage

Direction: Study the diagram carefully and answer questions

The experiment shown in the picture

The Experiment Shown in the Picture

Question number: 430 (1 of 3 Based on Passage) Show Passage

» Biology » Natural Resources

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MCQ▾

Question

What do we observe from the experiment carried out in the above picture?

Choices

Choice (4)Response

a.

Topsoil that is bare of vegetation, is likely to be removed quickly

b.

Plants causes soil erosion

c.

Running water can prevent soil erosion

d.

Wet soil is good for agriculture

Question number: 431 (2 of 3 Based on Passage) Show Passage

» Biology » Natural Resources

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MCQ▾

Question

What is the aim of the experiment shown in the above picture?

Choices

Choice (4)Response

a.

To prove that afforestation can prevent soil erosion

b.

To prove that plants absorb all the water sprinkled on it

c.

To prove that water can flow through plants

d.

To prove that running water can cause soil erosion

Question number: 432 (3 of 3 Based on Passage) Show Passage

» Biology » Natural Resources

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MCQ▾

Question

What do we conclude from the experiment carried out in the above picture?

Choices

Choice (4)Response

a.

Watering plants strengthen the roots of the plants

b.

Vegetative cover on the ground percolates water into deeper layers

c.

Wet soil is good for agriculture

d.

Soil absorbs running water

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