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Why is Chilika Lake different from a normal freshwater lake?

Answer and explanation

Correct answer: It is a brackish lagoon

Chilika is different from an ordinary freshwater lake because it is a coastal lagoon containing brackish water. Brackish water forms where freshwater mixes with seawater, so its salinity is between that of a river and the open sea. Chilika lies along the Odisha coast and is separated from the Bay of Bengal by a sandy barrier, while channels permit exchange of water with the sea. This coastal connection creates changing physical conditions and supports rich fish, bird, plant, and other aquatic life. Therefore option B, a brackish lagoon, is correct. It is not an entirely glacial lake, because it is not formed by glacial action. It is neither an artificial dam nor a desert lake. Its lagoon form and partial connection with seawater are the governing concepts.

Related tags

Indian-GeographyLakesChilikaBrackish-WaterRivers And Lakes Of IndiaIndian GeographyGeneral KnowledgeClass 10 Mcq

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