NSO Level 1- Science Olympiad (SOF) Class 9: Questions 607 - 613 of 1123

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Question number: 607

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which of the following is an example of a solid solution?

Choices

Choice (4) Response

a.

Brass

b.

Glass

c.

Steel

d.

All a. , b. and c. are correct

Question number: 608

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Which scientist has given the name atom to the indivisible particle of a substance?

Choices

Choice (4) Response

a.

Maharishi Kanad

b.

Democritus

c.

Pakudha Katyayama

d.

Leucippus

Question number: 609

» Chemistry » Atoms & Molecules

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MCQ▾

Question

The number of atoms constituting a molecule is called

Choices

Choice (4) Response

a.

Avogadro constant

b.

Valency

c.

Atomicity

d.

None of the above

Question number: 610

» Biology » Diversity of Living Organisms

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MCQ▾

Question

Which of the following have an open circulatory system?

(i) Arthropoda

(ii) Mollusca

(iii) Annelida

(iv) Coelenterata

Choices

Choice (4) Response

a.

(i) and (ii)

b.

(i) and (iii)

c.

(iii) and (iv)

d.

(ii) and (iv)

Question number: 611

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Silver Nitrate solution is used to study

Choices

Choice (4) Response

a.

Endoplasmic reticulum

b.

Mitochondria

c.

Golgi apparatus

d.

Nucleus

Question number: 612

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Which of these cells have a single chromosome?

Choices

Choice (4) Response

a.

Karyon

b.

Eukaryotic cell

c.

Prokaryotic cell

d.

All of the above

Question number: 613

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Which of the following is not related to the laws of chemical combination?

Choices

Choice (4) Response

a.

Law of constant proportion

b.

Law of conservation of momentum

c.

Law of conservation of mass

d.

None of the above

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