NSO Level 1- Science Olympiad (SOF) Class 9: Questions 609 - 615 of 1128

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Question 609

Question

MCQ▾

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 610

Question

MCQ▾

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 611

Question

MCQ▾

Silver Nitrate solution is used to study

Choices

Choice (4)Response

a.

Endoplasmic reticulum

b.

Mitochondria

c.

Golgi apparatus

d.

Nucleus

Question 612

Question

MCQ▾

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 613

Question

MCQ▾

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

Question 614

Question

MCQ▾

Oesophagus and the lining of the mouth are covered with which tissues?

Choices

Choice (4)Response

a.

Squamous epithelium

b.

Ciliated epithelium

c.

Areolar connective

d.

Striated muscle tissues

Question 615

Question

MCQ▾

A number series is given with one term missing. Choose the correct alternative that will continue the same pattern.

Choices

Choice (4)Response

a.

b.

c.

d.

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