An atoll is: MCQ with Answer and Explanation

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An atoll is:

A. A Crescent-shaped Sand Dune

B. A Ring-shaped Coral Island

C. A River Delta

D. A Volcanic Mountain

Answer: Option B

Solution (By JKSSB Mock Tests)

An atoll is a ring-shaped coral reef, island, or series of islets surrounding a lagoon.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

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Which gas contributes most to the greenhouse effect naturally?

A. Helium

B. Argon

C. Hydrogen

D. Water Vapor

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Correct Answer: Option D

Explanation:
Water vapor is the most abundant greenhouse gas and contributes significantly to natural warming.

This question belongs to: Geography GK Physical Geography

Question #2

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The Caspian Sea is actually a:

A. Lagoon

B. Bay

C. Sea

D. Lake

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Correct Answer: Option D

Explanation:
The Caspian Sea is the world's largest enclosed inland water body and is technically a lake.

This question belongs to: Geography GK Physical Geography

Question #3

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The Challenger Deep is located in:

A. Java Trench

B. Mariana Trench

C. Tonga Trench

D. Puerto Rico Trench

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Correct Answer: Option B

Explanation:
Challenger Deep is the deepest known point in the world's oceans, located in the Mariana Trench.

This question belongs to: Geography GK Physical Geography

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