Which is the deepest known earthquake focus recorded on Earth? MCQ with Answer and Explanation

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Which is the deepest known earthquake focus recorded on Earth?

A. About 100 km

B. About 500 km

C. About 700 km

D. About 300 km

Answer: Option C

Solution (By JKSSB Mock Tests)

Deep-focus earthquakes occur at depths approaching 700 km, primarily in subduction zones.

This question belongs to: Geography GK Physical Geography

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Block mountains are formed due to:

A. Volcanic eruption

B. Faulting

C. River erosion

D. Glaciation

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Correct Answer: Option B

Explanation:
Block mountains form when large crustal blocks are uplifted between faults.

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The movement of ocean water caused mainly by wind is called:

A. Waves

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Correct Answer: Option A

Explanation:
Waves are generated primarily by wind blowing over the ocean surface. Currents are more continuous movements of water.

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Correct Answer: Option B

Explanation:
Antarctica has no permanent rivers due to its extreme cold climate.

This question belongs to: Geography GK Physical Geography

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