NCERT Class 9 Geography Solutions: Drainage (Contemporary India-I) Chapter 3– Part 4
Q-2. Answer the following questions briefly
(i) What is meant by a water divide? Give an example.
Highland or a mountains separating the basins are known as water divide.
For example: the Sutlej and the Brahmaputra rivers altitudes are close to each other near the Mansarovar Lake but because of the water divide they flow in different directions.
(ii) Which is the largest river basin in India?
Answer: The Ganga basin is the largest river basin in India. Following table illustrates the areas of various largest basins.
(iii) Where do the rivers Indus and Ganga have their origin?
Answer: The Indus River originates from Tibet near the Mansarovar Lake and the Ganga River originates from Gangotri Glacier in Uttaranchal.