Question

1.What is meant by water divide? Give an example. 2.Name two head streams of The river Ganga?Where do they meet to form The Ganga? 3.State some economic benefits of rivers and lakes. 4.Discuss the significant benefits of Himalayan and Peninsular rivers. 5.Compare the east flowing and the west flowing rivers of the peninsular plateau.

Answer 1

Explanation:

Any elevated area, such as a mountain or upland, separates two drainage basins. Such upland is known as water divide. Ambala is located on the water divide between th Indus and the Ganga river systems. 1.

Answer 2

1.Any elavated are, like mountains of uplands, which separates into two drainage basins , are known as water divides. Examples. The water divides between the Indus and Ganga river system. Ambala is located on this water divides.

2.Alaknanda and Bhagirathi are the two headstreams of the Ganga. They both meet to form the Ganga at Devprayag.

3.State economic benefits of rivers and lakes. 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.

4.Himalayan rivers are perennial and flow the throughout the year. A large number of peninsular rivers are seasonal and flow during a certain period in a year. They receive water from rainfall and melting snow of the mountains and glaciers. They receive water from rainfall only.

5.(i) The Mahanadi, the Godavari, the Krishna and the Kaveri are the major east flowing rivers of peninsular plateau. (i) The Narmada and the Tapi are the major west flowing rivers of the peninsular plateau. ... (ii) These rivers drain into the Arabian Sea. (iii) These rivers form deltas on the east coast.