Some Natural Phenomena [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 6 of 37

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Question 1

Question MCQ▾

Seismic waves of earthquake can be detected with a sensitive instrument called as:

Choices

Choice (4)Response

a.

Electroscope

b.

Richter scale

c.

Seismograph

d.

None of the above

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Question 2

Question MCQ▾

Boundaries of the tectonic plates are weak zones. These weak zones are called as:

Choices

Choice (4)Response

a.

Seismic zone

b.

Fault zone

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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Question 3

Question MCQ▾

Charged objects are defined as:

Choices

Choice (4)Response

a.

Property of objects due to which it applies and experiences electric force

b.

An arrangement to deduct charge

c.

Producing charge on a body by rubbing

d.

Allowing the charge to flow to the earth

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Question 4

Question MCQ▾

Major cause of the earthquake is:

Choices

Choice (4)Response

a.

Movement of the tectonic plates

b.

Movement of the earth

c.

Movement of the middle layer of earth

d.

Question does not provide sufficient data or is vague

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Question 5

Question MCQ▾

Innermost layer core of the earth consists of:

Choices

Choice (4)Response

a.

Solid iron and nickel

b.

Silicate rock

c.

Molten iron and nickel

d.

Both a. and c. are correct

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Question 6

Question MCQ▾

Like charges:

Choices

Choice (4)Response

a.

Attract each other

b.

Shows no reaction

c.

Repel each other

d.

Question does not provide sufficient data or is vague

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