GENERAL KNOWLEDGE

Detailed explanation-1: -These islands had been formed by the accumulation of coral on the volcanic tops of the Indian Ocean ridge that sank below the surface around millions of years ago presumably because of a rise in sea levels. Thus, Lakshadweep Islands are known as the product of Reef formation.

Detailed explanation-2: -An atoll is a ring-shaped coral reef, island, or series of islets.

Detailed explanation-3: -Lakshadweep islands are known as coral islands because they have been formed from corals, and marine invertebrates classified into the class Anthozoa of the phylum Cnidaria.