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Question

Which drainage pattern is commonly found in Ganga plains and Assam Valley, characterized by wide plains, gentle slopes, heavy rains and large number of tributaries ?

  1. Antecedent drainage pattern
  2. Dendritic drainage pattern
  3. Radial drainage pattern
  4. Rectangular drainage pattern

Answer:

Option B: Dendritic drainage pattern

Detailed Solution:

The correct answer is “Dendritic drainage pattern”.

A dendritic drainage pattern is characterized by a tree-like branching structure where tributaries join the main river at various angles, resembling the branches of a tree.

The Ganga plains and Assam valley, with their wide flat plains, gentle slopes, heavy rainfall, and numerous tributaries, typically exhibit this pattern.