Civil Services Prep

Prelims MCQ · Geography

Consider the following statements:

  1. Grikes are trenches produced by the widening of limestone joints through solution.
  2. Clints are the isolated blocks of limestone remaining between grikes.
  3. Swallow holes are depressions through which surface water may enter the limestone.
  4. Dry valleys in karst regions are maintained by permanent surface streams that continuously deepen them.

Which of the statements given above are correct?

  1. 1, 2 and 3 only.
  2. 1 and 4 only.
  3. 2, 3 and 4 only.
  4. 1, 2, 3 and 4.
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