Q. Consider the following statements:
1.The primary tributaries of rivers flow parallel to each other, and secondary tributaries join them at right angles, the pattern is known as centripetal.
2.The rivers discharge their waters from all directions in a lake or depression, the pattern is known as trellis.
Which of the statements given above is/are correct?
Answer: D
Notes:
Explanation: The drainage pattern resembling the branches of a tree is known as “dendritic” the examples of which are the rivers of northern plain.
- When the rivers originate from a hill and flow in all directions, the drainage pattern is known as ‘radial’. The rivers originating from the Amarkantak range present a good example of it.
- When the primary tributaries of rivers flow parallel to each other and secondary tributaries join them at right angles, the pattern is known as ‘trellis’.
- When the rivers discharge their waters from all directions in a lake or depression, the pattern is known as ‘centripetal’.
Source: NCERT

