NSO Level 1- Science Olympiad (SOF) Class 9: Questions 542 - 547 of 1128

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Question 542

Question

MCQ▾

Pointing to a man, Kishor said, “His son is my son՚s uncle.” How is the old man related to Kishor?

Choices

Choice (4)Response

a.

Grandfather

b.

Uncle

c.

Father

d.

Brother

Question 543

Question

MCQ▾

2814Si. Number of electrons in this element is

Choices

Choice (4)Response

a.

28

b.

14

c.

42

d.

22

Question 544

Question

MCQ▾

Which among these disease are found nowhere in the world now?

Choices

Choice (4)Response

a.

Chicken pox

b.

Hepatitis

c.

Small pox

d.

Tuberculosis

Question 545

Question

MCQ▾

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 546

Question

MCQ▾

The SI unit of time is

Choices

Choice (4)Response

a.

Light year

b.

Hour

c.

Second

d.

Minute

Question 547

Question

Assertion-Reason▾

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

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