Which is the densest layer of the Earth? MCQ with Answer and Explanation

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Which is the densest layer of the Earth?

A. Crust

B. Mantle

C. Inner Core

D. Outer Core

Answer: Option C

Solution (By JKSSB Mock Tests)

The inner core is extremely dense due to immense pressure and its composition of iron and nickel.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

Which layer of the atmosphere contains the maximum mass of air?

A. Stratosphere

B. Troposphere

C. Mesosphere

D. Thermosphere

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Correct Answer: Option B

Explanation:
About 75% of the atmosphere's mass is concentrated in the troposphere.

This question belongs to: Geography GK Physical Geography

Question #2

Which layer contains almost 99% of atmospheric water vapour?

A. Troposphere

B. Mesosphere

C. Thermosphere

D. Stratosphere

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Correct Answer: Option A

Explanation:
The troposphere contains nearly all atmospheric moisture and is where weather occurs.

This question belongs to: Geography GK Physical Geography

Question #3

Magma that reaches the Earth's surface is called:

A. Basalt

B. Lava

C. Moraine

D. Ash

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Correct Answer: Option B

Explanation:
Once magma erupts onto the Earth's surface, it is known as lava.

This question belongs to: Geography GK Physical Geography

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