Multiple choice

The red soils develop a reddish colour due to

  1. deforestation and over–grazing

  2. the presence of potash and magnesia

  3. tropical monsoon climate

  4. a wide diffusion of iron in ancient crystalline
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D Correct answer
Explanation

Red soils develop their characteristic reddish color from the extensive presence of iron oxides, which form through the weathering of ancient crystalline rocks under tropical conditions. The iron oxidizes to give the red hue. Deforestation, potash presence, or climate alone do not cause this specific coloration.

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