Consider the following statements regarding soils :<br>1. Soils having a very high content of sodium and calcium and pH of more than 7.0 are alkaline soils.<br>2. Black cotton soil had developed on the Deccan basaltic lava under hot and humid conditions.<br>3. Laterite soils are characterised by a deep weathered layer from which silica has been leached.<br>Which of the statements given above is/are <strong>CORRECT</strong>?

  1. A. 1 only
  2. B. 1 and 2 only
  3. C. 2 and 3 only
  4. D. 1, 2 and 3

Correct Answer: A. 1 only

Explanation

Statement 1 is considered the most accurate definition of alkaline/saline soils in this context. Black soil develops under hot and semi-arid (not humid) conditions.

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