🌍 GeographyUPSC 2014Soil

Which of the following have coral reefs?1. Andaman and Nicobar Islands2. Gulf of Kachchh3. Gulf of Mannar4. SunderbansSelect the correct answer using the code given below.

a1, 2 and 3 only
b2 and 4 only
c1 and 3 only
d1, 2, 3 and 4
✓ Correct answer: a) 1, 2 and 3 only
ExplanationCoral reefs are underwater ecosystems formed by colo- nies of tiny animals called coral polyps.These animals secrete a hard, calcium carbonate exoskeleton that provides a founda- tion for the growth of other corals and a diverse array of marine organisms.Coral reefs are found in tropical and subtropical waters around the world, particularly in the Pacific Ocean, the Indian Ocean, and the Caribbean Sea.Fig: Map showing distribution of Coral Reefs in India Options 1 is correct: Andaman and Nicobar Islands archipel- ago is home to some of India’s most diverse and well-developed coral reefs which supports a rich variety of marine life.Options 2 is correct: Gulf of Kachchh is situated along Gujarat’s western coast.This region features fringing reefs around its is- lands.Though less developed due to environmental factors, these reefs contribute significantly to marine biodiversity.Options 3 is correct: Gulf of Mannar is ocated between south- eastern India and Sri Lanka.The Gulf of Mannar hosts extensive fringing reefs around 21 islands.It is part of the Gulf of Mannar Marine Natio

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