Among the given statements about landforms formed by rivers find the incorrect one ........

Geography Geomorphology

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Among the given statements about landforms formed by rivers, find the incorrect one

Incised or entrenched meanders are found in areas of hard rocks and steep gradients.

Alluvial fans and deltas are depositional landforms found in lower or mature stages of a river.

Natural levees and point bars are associated with floodplains formed by rivers.

Oxbow lakes are formed when meanders grow into deep loops and are cut-off from the main channel.

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Explanation:

Statement 1 – at times meander loops develop over original gentle surfaces in the initial stages of development of streams and the same loops get entrenched into rocks normally due to erosion or slow, continued uplift of land over which they start.
Statement 2- It is true that both alluvial fans and Deltas are depositional features but unlike deltas, alluvial fans are found at the foothills when a river descends into plains and not in the lower course.