The largest inhabited riverine island is_______________
A. Dihang
B. Majuli island
C. Moore island
D. Teesta

Hint:-Riverine means anything which is related to rivers and the islands which gets formed when the water level of the rivers drops down are called riverine islands. Or we can say that riverine island is the solid foundation and the place between the two parallel rivers or in the middle of the rivers.

Complete step-by-step solution:-
Majuli island is the largest riverine island in the world, surrounded by the Brahmaputra river from all the sides. Majuli island is listed as the world largest riverine island in the Guinness Book Of World Records. Majuli island is accessible with the ferries from the city Jorhat. The island is about 300-400 kilometers east from the Assam largest city Guwahati. The population of Majuli comprises tribals, non-tribals and the scheduled castes and the local language speaks in Assamese.However, due to constant erosion and the flooding cycles in every monsoon, the island is changing shape constantly. Majuli riverine island is shrinking at a very fast pace and may have lost with the period of time. And the life in Majuli island has to change to survive with these changes. Someone has said that you cannot make the map of Majuli island because by the time you print the map the shape of the island changes.
So, option B is the correct answer.

Note:-
Moore island was a small uninhabited island in the Bay of Bengal, located in the offshore of the Ganges-Brahmaputra delta region.
Teesta river rises in the eastern Himalayas, flows through Sikkim and West Bengal and enters into Bay of Bengal.
The Dihang river is the other term used for Brahmaputra river in Arunachal Pradesh. It is the ninth largest river in the world by discharge.