NSO Level 1- Science Olympiad (SOF) Class 9: Questions 824 - 830 of 1123

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Question number: 824

» Chemistry » Matter

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MCQ▾

Question

The intermixing of particles of two substances is called

Choices

Choice (4) Response

a.

diffusion

b.

dispersion

c.

displacement

d.

sublimation

Question number: 825

» Physics » Motion

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MCQ▾

Question

SI unit of velocity is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 826

» Biology » Health & Diseases

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MCQ▾

Question

Infectious diseases can be prevented by

Choices

Choice (4) Response

a.

Taking measures that reduce the exposure to infectious agents

b.

Immunisation

c.

Public hygiene

d.

All a. , b. and c. are correct

Question number: 827

» Biology » Natural Resources

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MCQ▾

Question

Which of these cause water pollution?

Choices

Choice (4) Response

a.

Addition of undesirable substances from water

b.

Removal of desirable substances from water

c.

Change in temperature

d.

All a. , b. and c. are correct

Question number: 828

» Biology » Improvement in Food Resources

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MCQ▾

Question

Cultivation practices and crop yield are related to

Choices

Choice (4) Response

a.

Weather

b.

Water availability

c.

Soil quality

d.

All a. , b. and c. are correct

Question number: 829

» Chemistry » The Nature of Matter

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MCQ▾

Question

Concentration of a solution can be find out by

Choices

Choice (4) Response

a.

Amount of solute/Amount of solvent

b.

Amount of solute/Amount of solution

c.

Amount of solute/Volume of solution

d.

All a. , b. and c. are correct

Question number: 830

» Biology » Diversity of Living Organisms

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MCQ▾

Question

Plants that do not have well-differentiated body design fall in this group. Identify the group.

Choices

Choice (4) Response

a.

Gymnosperms

b.

Angiosperms

c.

Bryophyta

d.

Thallophyta

Developed by: