The world's largest known cave system is: MCQ with Answer and Explanation

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The world's largest known cave system is:

A. Krubera Cave

B. Mammoth Cave System

C. Carlsbad Caverns

D. Son Doong

Answer: Option B

Solution (By JKSSB Mock Tests)

Mammoth Cave in Kentucky, USA, is the longest known cave system in the world.

This question belongs to: Geography GK Physical Geography

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Question #1

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Which is the longest river in the world according to most traditional geography texts?

A. Mississippi

B. Amazon

C. Nile

D. Yangtze

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Correct Answer: Option C

Explanation:
The Nile River has traditionally been regarded as the world's longest river, though some studies debate with the Amazon.

This question belongs to: Geography GK Physical Geography

Question #2

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Seismic waves that travel fastest are:

A. S-waves

B. P-waves

C. Love Waves

D. Surface Waves

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Correct Answer: Option B

Explanation:
Primary (P) waves are the fastest seismic waves and arrive first at seismic stations.

This question belongs to: Geography GK Physical Geography

Question #3

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Which part of the Earth's mantle is semi-molten and allows tectonic plates to move?

A. Outer Core

B. Mesosphere

C. Asthenosphere

D. Lithosphere

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Correct Answer: Option C

Explanation:
The asthenosphere is a semi-molten, plastic layer beneath the lithosphere. Tectonic plates float and move over this layer.

This question belongs to: Geography GK Physical Geography

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