Discussion
Which of the following is not a topographic evidence of rejuvenation in landscape ?
Answer: B
Incised meanders, paired valley terraces and multi-cyclic valleys are all topographic evidence of rejuvenation, which is a renewal of erosive power by uplift or a fall in base level: the stream cuts down into its old valley, leaving terraces, entrenched meanders and valleys with more than one cycle of profile. Structural benches are a product of differential erosion on horizontal layers of hard and soft rock and need not indicate rejuvenation, so the answer is B.
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