Civil Services Prep

Prelims MCQ · Geography

A stream on one side of a divide has a steeper gradient and receives more precipitation than a neighbouring stream. Through faster headward erosion, it cuts across the divide and diverts the neighbouring stream into its own channel.

Which one of the following conclusions is most appropriate?

  1. A distributary has formed because deposition divided the river near its mouth.
  2. Both streams will retain their original courses because headward erosion cannot alter a watershed.
  3. The bend at the point of diversion is an elbow of capture, while the weakened beheaded stream becomes a misfit.
  4. A delta will form at the divide because coarse sediments accumulate at the point of diversion.
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