Which of the following National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity?

Correct Option

Keibul Lamjao National Park, located in Manipur, is recognized as the world's only floating national park. It is situated on Loktak Lake and is characterized by its unique ecosystem of 'phumdis', which are heterogeneous masses of vegetation, soil, and organic matter in various stages of decomposition. These phumdis float on the lake's surface and support a rich biodiversity, including the endangered Sangai deer (Rucervus eldii eldii), the state animal of Manipur.

Incorrect Options

Bhitarkanika National Park, located in Odisha, is primarily known for its extensive mangrove forests and estuarine ecosystems. It is a significant habitat for saltwater crocodiles and various avian species, but it does not feature a unique floating vegetation swamp as described in the question.

Keoladeo Ghana National Park, situated in Rajasthan, is a renowned UNESCO World Heritage site and a significant bird sanctuary. It consists of freshwater marshes and wetlands, attracting a large number of migratory birds, but it is not characterized by floating vegetation or phumdis.

Sultanpur National Park, located in Haryana, is a bird sanctuary that primarily comprises dry deciduous forests and seasonal wetlands. It serves as an important habitat for resident and migratory birds, but it does not possess the unique floating swamp ecosystem mentioned in the question.