| Direction: Choose the correct alternatives from the following options as given below for the Assertion (A) and Reason (R), given in each of the question. |
| Assertion (A) In the upper courses, the main work of the river is erosion. |
| Reason (R) River flows swiftly in their upper courses. |
A) Both A and R are true and R is the correct explanation of A
B) A is true but R is false
C) Both A and R are true but R is not the correct explanation of A
D) A is false but R is true
Correct Answer: A
Solution :
In its upper course, the river rushes down a steep slope and hence flows swiftly causing erosion.
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