Exercise 1
Embibe Experts Social Science Solutions for Exercise 1
Simple step-by-step solutions to Exercise 1 questions of Drainage from Social Science Textbook of Competency Based Questions for Class IX. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise 1 with Hints & Solutions
Identify the works of a river in its middle course.

Which of the following is not true about the perennial rivers?
I. They are fed by both glaciers and rain.
II. They cut through the mountains, making gorges.
III. They are short-lived and dry up within months.
IV. They have long courses from the origin to the sea.

What is the major difference between drainage and a drainage basin?

Identify the river being described:
It forms a picturesque gorge and is joined by several tributaries like Zaskar, the Nubra, the Shyok and the Hunza in the Kashmir region.

(i) On an outline map of India, mark and label the following rivers: Ganga, Satluj, Damodar, Krishna, Narmada, Tapi, Mahanadi, and Brahmaputra.
(ii) On an outline map of India, mark and label the following lakes: Chilika, Sambhar, Wular, Pulicat, and Kolleru.

Discuss the significant difference between the Himalayan and the peninsular rivers.

There is a plan to make the river Ganga flow through artificial channels blocking its natural course before it enters the plains. Give arguments for and against such a proposal.

Compare the east-flowing and the west-flowing rivers of the Peninsular plateau.
