Auroras are mainly observed in the: MCQ with Answer and Explanation

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Auroras are mainly observed in the:

A. Mesosphere

B. Thermosphere

C. Troposphere

D. Stratosphere

Answer: Option B

Solution (By JKExamLibrary)

Auroras occur in the thermosphere when charged solar particles interact with atmospheric gases.

This question belongs to: Geography GK Physical Geography

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Question #1 Report Error

Which is the largest gulf in the world?

A. Gulf of Aden

B. Persian Gulf

C. Gulf of California

D. Gulf of Mexico

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Correct Answer: Option D

Explanation:
The Gulf of Mexico is the largest gulf in the world.

This question belongs to: Geography GK Physical Geography

Question #2 Report Error

Which climate type is designated 'Af' in Köppen classification?

A. Mediterranean

B. Equatorial Rainforest

C. Tundra

D. Desert

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Correct Answer: Option B

Explanation:
Af represents tropical rainforest climate with year-round rainfall.

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Question #3 Report Error

A fjord is formed by:

A. Wind Erosion

B. Glacial Erosion

C. Volcanic Activity

D. River Deposition

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Correct Answer: Option B

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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