Multiple choice

Which of the following statements about the Himalayan rivers of India is not true?

  1. The basins of these rivers are general narrow and not large enough.

  2. The catchment areas of these rivers extend over hundred of thousand of sq km.

  3. They perform instensive erosional activity.

  4. The flow of these rivers is by and large perennial.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Himalayan rivers have relatively narrow basins because they flow through mountainous terrain with steep gradients (Ganga basin in plains is different). Their catchment areas in the mountains are not as extensive as peninsular rivers in terms of square kilometers. They do perform intensive erosional activity and are perennial due to glacial melt and rainfall. Statement A about narrow basins is actually true for Himalayan rivers in their mountain courses.

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