Which one of the following is a lagoon?
- AAshtamudi lake
- BChilka lake
- CPreiyar lakeCorrect
- DPulicat lake
Explanation
The question asks which of the following is a lagoon. However, there is a technical error in the provided answer key. Ashtamudi, Chilka, and Pulicat are all classic examples of lagoons or backwaters located along the Indian coastline.
Periyar Lake, listed as option C, is actually an artificial reservoir created by the construction of the Mullaperiyar Dam on the Periyar River. It is a freshwater inland lake and is not a lagoon, as it has no connection to the sea.
In the context of this specific question and provided answer key, C is the correct choice only if the question intended to ask which of the following is NOT a lagoon. Based on standard geography, A, B, and D are lagoons, while C is an inland lake.

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