An esker is formed by: MCQ with Answer and Explanation

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An esker is formed by:

A. Wind erosion

B. Sub-glacial streams

C. Sea waves

D. River deposition

Answer: Option B

Solution (By JKSSB Mock Tests)

Eskers are long winding ridges formed by sediments deposited by streams flowing beneath glaciers.

This question belongs to: Geography GK Physical Geography

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Question #1

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The Earth's inner core is believed to be solid mainly because of:

A. Low temperature

B. Absence of iron

C. Low pressure

D. High pressure

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Correct Answer: Option D

Explanation:
Despite extremely high temperatures, the immense pressure in the inner core keeps it in a solid state.

This question belongs to: Geography GK Physical Geography

Question #2

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A plateau is defined as:

A. Ocean trench

B. Deep valley

C. Elevated flat-topped land

D. Low-lying plain

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Correct Answer: Option C

Explanation:
A plateau is a broad, elevated area with a relatively flat surface.

This question belongs to: Geography GK Physical Geography

Question #3

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Which is the deepest known ocean trench?

A. Mariana Trench

B. Peru-Chile Trench

C. Java Trench

D. Aleutian Trench

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Correct Answer: Option A

Explanation:
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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