Q. The Blue Nile river originates from which of the following lakes? Answer:
Lake Tana
Notes: The Blue Nile, locally known as Abbay, is the major tributary of the great Nile river - the longest river in the world. The Blue Nile River starts from Ethiopia's lake Tana and merges with the smaller tributary White Nile at Khartoum Sudan to form the Nile River.