A caldera is formed when: MCQ with Answer and Explanation

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A caldera is formed when:

A. A volcano collapses after eruption

B. Wind erosion occurs

C. A glacier melts

D. A river changes course

Answer: Option A

Solution (By JKSSB Mock Tests)

A caldera is a large depression formed when a volcano collapses after a major eruption.

This question belongs to: Geography GK Physical Geography

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Question #1

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Which is the highest mountain peak outside Asia?

A. Mount McKinley

B. Mount Kilimanjaro

C. Aconcagua

D. Mount Kosciuszko

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Correct Answer: Option C

Explanation:
Aconcagua in Argentina is the highest mountain outside Asia.

This question belongs to: Geography GK Physical Geography

Question #2

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Which factor primarily determines the length of day and night on Earth?

A. Atmospheric Pressure

B. Earth's Axial Tilt

C. Longitude

D. Ocean Currents

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Correct Answer: Option B

Explanation:
The Earth's axial tilt of about 23.5° causes variations in the length of day and night throughout the year.

This question belongs to: Geography GK Physical Geography

Question #3

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The Challenger Deep exceeds a depth of:

A. 11,000 m

B. 10,000 m

C. 9,000 m

D. 8,000 m

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Correct Answer: Option A

Explanation:
The Challenger Deep in the Mariana Trench is over 11,000 meters deep.

This question belongs to: Geography GK Physical Geography

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