5.
The answer is: B
Explanation
The biggest wetland of North India is the Harike Wetland, also known as Hari-ke-Pattan. It is located in the Tarn Taran Sahib district of Punjab state, and it is situated at the confluence of the Beas and Sutlej rivers. The Harike Wetland is a Ramsar site and an important biodiversity hotspot, home to a variety of aquatic plants, animals, and bird species.