Question

Coral island with a central lake is
A. Atoll
B. Fringing reef
C. Barrier reef
D. All of the above

Answer 1

Coral reefs are the absolute most seasoned biological systems on earth. Overland time framing monstrous reefs made of limestone. The reef climate bolsters more plant and creature species than some other habitat. Coral reefs are crucial for life from different angles some of which incorporate structure, biology, and supplement cycles which all help biodiversity in the reefs.

Complete answer:
-An atoll is a ring-formed coral reef. It is an arrangement of islets. An atoll encompasses a waterway called a lagoon. Once in a while, atolls and lagoons secure a focal island. Channels between islets associate a lagoon to the untamed ocean or ocean.
-Atolls create with underwater volcanoes, called seamounts. The head of the fountain of liquid magma turns into an oceanic island. So the right answer is 'Atoll'.
-A fringing reef is one of the three principle sorts of coral reef perceived by most coral reef researchers. It is recognized from the other primary sorts (boundary reefs and atolls) in that it has either an altogether shallow back reef zone (lagoon) or none at all. So, option B is incorrect.
-Barrier reefs are like fringing reefs in that they additionally outskirt a shoreline; in any case, rather than becoming legitimately out from the shore, they are isolated from the land by a spread of water. So, option C is incorrect.
Hence, option A is correct.

Note: The American domains of Jarvis, Baker, and Howland Islands are away form coral islands. The Lakshadweep Islands association domain of India is a gathering of 39 coral Islands, and some minor islets and banks. Additionally, a portion of the islands having a place with Kiribati are viewed as coral islands. The Maldives additionally comprise of coral islands. St. Martin's Island is an 8 k$m^2$ coral island situated in Bangladesh. Coral islands are likewise situated close to Pattaya and Ko Samui, Thailand.