Question

(b) Tungabllduru
2. Answer the following questions briefly.
(i) What is meant by a water divide? Give an example.
(ii) Which is the largest river basin in India?
(iii) Where do the rivers Indus and Ganga have their origin?
(iv) Name the two headstreams of the Ganga. Where do they meet to form the Ganga?
(v) Why does the Brahmaputra in its Tibetan part have less silt, despite a
longer course?
(vi) Which two Peninsular rivers flow through trough?
(vii) State some economic benefits of rivers and lakes.​

Answer 1

Answer:

(ii)Ganga basin

(i) Any elevated area, such as a mountain or an upland, separates two drainage basins. Such an upland is known as a water divide.

Answer 2

Answer:

1)

Any elevated area, such as a mountain or an upland, separates two drainage basins. Such an upland is known as a water divide

2)ganga basin

3)River India originates near Mansarowar lake in Tibet and River Ganga originates from Gangotri glaciers.

4)These are Bhagirathi and Alaknandha. These two revers meet at Devprayag where from they runs together called Ganges

5)This is Because Brahmputra flows on the bed of rugged rock terrain. It flowas outside india through north eastern range of greater himalaya

6)Narmada and Tapi

7)Rivers and lakes are of a great value to human beings. They help to develop hydel power, provide water for irrigation, drinking, industries and they help to develop fisheries. They will enhance natural beauty and help in the development of tourism and provide recreation.