The theory of Isostasy explains: MCQ with Answer and Explanation

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The theory of Isostasy explains:

A. Balance of Earth's Crust

B. Ocean Currents

C. Volcanic Eruptions

D. Earthquake Prediction

Answer: Option A

Solution (By JKSSB Mock Tests)

Isostasy refers to the gravitational equilibrium between the Earth's crust and mantle.

This question belongs to: Geography GK Physical Geography

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Question #1

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Which latitude receives the Sun's vertical rays during the March and September equinoxes?

A. Arctic Circle

B. Equator

C. Tropic of Cancer

D. Tropic of Capricorn

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Correct Answer: Option B

Explanation:
During equinoxes, the Sun is directly overhead at the Equator.

This question belongs to: Geography GK Physical Geography

Question #2

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The world's largest river delta by sediment discharge is formed by:

A. Ganga-Brahmaputra-Meghna

B. Mississippi

C. Amazon

D. Nile

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Correct Answer: Option A

Explanation:
The Ganga-Brahmaputra-Meghna system delivers enormous sediment loads, creating the world's largest delta.

This question belongs to: Geography GK Physical Geography

Question #3

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Permafrost is characteristic of:

A. Savanna

B. Steppe

C. Taiga

D. Tundra

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Correct Answer: Option D

Explanation:
Permafrost is permanently frozen ground typical of tundra regions.

This question belongs to: Geography GK Physical Geography

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