A caldera is: MCQ with Answer and Explanation

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A caldera is:

A. A River Valley

B. A Glacial Deposit

C. A Coral Reef

D. A Large Volcanic Depression

Answer: Option D

Solution (By JKSSB Mock Tests)

A caldera forms when a volcano collapses into an emptied magma chamber after a major eruption.

This question belongs to: Geography GK Physical Geography

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Question #1

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Which type of earthquake is caused by volcanic activity?

A. Artificial Earthquake

B. Volcanic Earthquake

C. Tectonic Earthquake

D. Collapse Earthquake

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Correct Answer: Option B

Explanation:
Volcanic earthquakes occur due to movement of magma beneath the Earth's surface.

This question belongs to: Geography GK Physical Geography

Question #2

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The world's largest drainage basin belongs to the:

A. Yangtze River

B. Mississippi River

C. Nile River

D. Amazon River

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Correct Answer: Option D

Explanation:
The Amazon Basin is the largest drainage basin in the world.

This question belongs to: Geography GK Physical Geography

Question #3

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The largest island in the world is:

A. Greenland

B. Madagascar

C. Borneo

D. Australia

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Correct Answer: Option A

Explanation:
Greenland is the world's largest island. Australia is considered a continent.

This question belongs to: Geography GK Physical Geography

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