Question

What do you understand by drainage pattern ? Name any four drainage patterns formed by the rivers.

CBSE Class IX Social Science SA (3 Marks)

Answer 1

The form, in which a stream, is seen is called the river pattern or drainage pattern. Four patterns formed by rivers are :

(i)  Dendritic pattern

(ii) Trellis pattern

(iii) Radial Pattern

(iv) Rectangular pattern

Answer 2

1. The streams of a river form certain patterns.

2. These patterns depend on the slope of the land, underlying rock structure and the climate of the area.

Some common patterns found in india are:-

(i) Trellis

(ii) Dendritic

(iii) Radial

(iv) Rectangular and

(v) Centrifugal (inland drainage) pattern.

Hope it helps...........