Multiple choice

The plains of North India are formed due to

  1. Sedimentation by the rivers

  2. Erosion

  3. Denudation

  4. Wind deposition

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A Correct answer
Explanation

The North Indian plains were formed by alluvial deposition (sedimentation) carried down by the Himalayan rivers over millions of years. The Indus, Ganga, and Brahmaputra river systems transported enormous amounts of silt, sand, and clay from the mountains, depositing them in the vast foreland basin. Erosion and denudation are processes that remove material, not build plains.