NSO Level 1- Science Olympiad (SOF) Class 9: Questions 358 - 361 of 1123

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Question number: 358

» Biology » Health & Diseases

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MCQ▾

Question

The severity of disease manifestations depend on

Choices

Choice (4) Response

a.

The size of the body.

b.

The number of microbes in the body.

c.

The number of cells in the body.

d.

The actual weight of the body.

Question number: 359

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Which of the statement is incorrect?

Choices

Choice (4) Response

a.

A molecule is always made up of similar type of atoms.

b.

Ions are electrically charged particles.

c.

An atom is electrically neutral.

d.

A molecule is the smallest part of a compound.

Question number: 360

» Mental Ability

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Question

Read the information carefully, and then use it to answer the question that follows:

I. Amit, Rajani, Subh, Akash and Kiran all collect stamps.

II. Amit has twice as many as Rajani.

III. Akash and Kiran have the same number.

IV. Subh has fewer than Akash.

V. Rajani has half as many as Subh.

If the above statements are true, only one the sentences below must be true. Which one is true?

Choices

Choice (4) Response

a.

Akash and Kiran have same number of stamps.

b.

Rajani has more stamps than Akash.

c.

Amit has as many stamps as Rajani.

d.

Amit has fewer stamps than Akash.

Question number: 361

» Chemistry » The Nature of Matter

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MCQ▾

Question

The principle behind centrifugation is

Choices

Choice (4) Response

a.

The less soluble particles settle at the bottom and the more soluble particles stay at the top

b.

The lighter particles settle at the bottom and the denser particles stay at the top

c.

The more soluble particles settle at the bottom and the less soluble particles stay at the top

d.

The denser particles settle at the bottom and the lighter particles stay at the top

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