Which is the deepest known ocean trench? MCQ with Answer and Explanation

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Which is the deepest known ocean trench?

A. Mariana Trench

B. Java Trench

C. Aleutian Trench

D. Peru-Chile Trench

Answer: Option A

Solution (By JKSSB Mock Tests)

The Mariana Trench in the Pacific Ocean is the deepest known ocean trench, reaching depths of over 11,000 meters.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

The zone of the ocean beyond the continental shelf is called:

A. Coral Reef

B. Continental Slope

C. Ocean Trench

D. Abyssal Plain

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Correct Answer: Option B

Explanation:
The continental slope marks the transition from the shelf to the deep ocean floor.

This question belongs to: Geography GK Physical Geography

Question #2

The Siachen Glacier is located in the:

A. Pir Panjal Range

B. Karakoram Range

C. Zanskar Range

D. Aravalli Range

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Correct Answer: Option B

Explanation:
Siachen Glacier lies in the eastern Karakoram Range and is one of the world's longest mountain glaciers.

This question belongs to: Geography GK Physical Geography

Question #3

A fjord is formed by:

A. Glacial Erosion

B. Volcanic Activity

C. Wind Erosion

D. River Deposition

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Correct Answer: Option A

Explanation:
Fjords are deep, narrow sea inlets formed when glaciers carve valleys that later become flooded by seawater.

This question belongs to: Geography GK Physical Geography

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