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What geomorphic reason makes Barren Island distinct among Indian island groups?

Answer and explanation

Correct answer: Being an active volcanic island

The direct answer is A: Barren Island is an active volcanic island. A geomorphic feature is a landform or a process that shapes land. Barren Island lies in the Andaman and Nicobar island region and is known for its active volcano, so its distinct identity comes from volcanic activity. Step by step: it is an island; volcanic material has formed and shaped it; volcanic activity is still associated with it; therefore A is the precise choice. Option A is correct because it names the real geological feature. Option B, a doab, means land between two rivers, so it is not an island. Option C, a new Khadar plain, means recently deposited alluvial land beside a river, not a volcanic island. Option D, a Thar barchan, is a crescent-shaped sand dune of a desert, not an island. Memory cue: Barren Island = Andaman + active volcano. Do not confuse volcanic islands with river plains or desert dunes.

Related tags

Barren-IslandVolcanoAndaman-Nicobar

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