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Question

A Circular Coral Reef which encloses a lagoon is :

The correct answer is
Atoll

Identify the Circular Coral Reef Type

The question asks for the specific type of circular coral reef that encloses a lagoon.

An Atoll is defined as a ring-shaped coral reef, island, or series of islets that surrounds a lagoon. This fits the description perfectly.

Understanding Coral Reef Classifications

  • Atoll: A circular or nearly circular reef structure that encloses a central lagoon. This is formed typically around a subsided volcanic island.
  • Barrier Reef: A reef separated from the mainland or island shore by a deep channel or lagoon. They often run parallel to the coast but are not necessarily circular.
  • Fringing Reef: A reef that grows directly from the shore or is separated by a very narrow, shallow channel. They lack a significant enclosed lagoon.

Based on these definitions, the circular coral reef that encloses a lagoon is an Atoll.

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Important Questions from Physical Geography

  1. The Kanchenjunga peak is located in which sub-division of Himalaya from the following?

  2. The Eastern Ghats are part of which physical feature of the Indian Peninsular Plateau?

  3. Which of the following is categorised under slow mass movement in geomorphic processes?

  4. Thorny trees and bushes are found in which part of India?  

  5. What is the name of a type of waterfall with an enormous volume of water?

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