Question

Q. Which of the following factors affects the drainage system of a river

Select the correct answer using the code given below:

• A. 1 only
• B. 1 and 2 only
• C. 2 and 3 only
• D. 1, 2 and 3

Answer 1

The correct option is D 1, 2 and 3

Explanation:

All factors affect the drainage system of a river. Hence, all statements are correct.

Following factors affect the drainage system of a river:

• Topography of the land
• The gradient of the land
• Geological time period
• Nature and structure of rocks
• Amount of water flowing
• Periodicity of the flow.