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Railways PYQCBT 1 2016

RRB NTPC · Question 87

Most of the _______ are formed by sand and silt deposited by rivers and sea waves.

  1. Laterite and lateritic soils

  2. Alluvial soils

  3. Peaty and Marshy soils

  4. Saline and alkaline soils

Show answer & explanation

Answer: (B) Alluvial soils

Explanation

Alluvial soils are formed by sand, silt and clay deposited by rivers (and in coastal areas by sea waves). They cover the Indo-Gangetic plains and the deltas and are very fertile.