NSO Level 1- Science Olympiad (SOF) Class 9: Questions 545 - 550 of 1123

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Question number: 545

» Chemistry » Matter

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MCQ▾

Question

The rate of diffusion is more in liquids than in solids because

Choices

Choice (4) Response

a.

The particles are tightly packed in liquids.

b.

The kinetic energy of liquid particles is less when compared to solid particles.

c.

The particles are free to move in liquids.

d.

There are no particles in liquids.

Question number: 546

» Physics » Motion

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MCQ▾

Question

The SI unit of time is

Choices

Choice (4) Response

a.

Light year

b.

Hour

c.

Second

d.

Minute

Question number: 547

» Mental Ability

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Assertion-Reason▾

Question

Assertion (Ꭺ)

The perimeter of a right triangle is and its hypotenuse is . The other sides of the triangle are .

Reason (Ꭱ)

Choices

Choice (4) Response

a.

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

b.

Both Ꭺ and Ꭱ are false

c.

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

d.

Ꭺ is false but Ꭱ is true

Question number: 548

» Biology » Improvement in Food Resources

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MCQ▾

Question

To ensure the supply of pure fish seed in desired quantities, one method can be

Choices

Choice (4) Response

a.

Hibernation

b.

Cross fertilization

c.

Hybridisation

d.

Hormonal stimulation

Question number: 549

» Chemistry » Atoms & Molecules

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MCQ▾

Question

The chemical symbol for sodium is

Choices

Choice (4) Response

a.

b.

N

c.

d.

S

Question number: 550

» Biology » Tissues

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MCQ▾

Question

Label X in the following diagram

Diagram of the section of a stem

Diagram of the Section of a Stem

Diagram of the section of a stem

Choices

Choice (4) Response

a.

Phloem

b.

Stomata

c.

Chloroplast

d.

Guard cell

Developed by: