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Q59 (CDS-I/2005) Geography › Indian Physical Geography › Indian physical features Answer Verified

Consider the following statements 1. The Lakshadweep Islands represent coral islands. 2. The Andaman and Nicobar Islands represent detachc' parts of the continental blocks. Which of the statements given above is/are correct ?

Result
Your answer: —  Â·  Correct: A
Explanation

The correct answer is Option 1.

Statement 1 is correct because the Lakshadweep Islands are classic examples of atolls and coral reefs. These islands are formed by the accumulation of coral polyps on submerged volcanic peaks in the Arabian Sea, making them entirely organic in origin.

Statement 2 is incorrect because the Andaman and Nicobar Islands are not detached continental blocks. Geologically, they are the elevated portions of a submerged mountain range that acts as an extension of the Arakan Yoma (Myanmar) mountain chain. They are tectonic in origin, representing an island arc formed by the subduction of the Indian Plate beneath the Burmese Plate.

In contrast, detached continental blocks usually refer to islands like Madagascar or parts of the Seychelles. Since only the first statement accurately describes the geological origin of the respective island group, Option 1 is the only valid choice.

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