UPSC Previous Year Question | Prelims GS | 2021

The black cotton soil of India has been formed due to the weathering of

  1. brown forest soil
  2. fissure volcanic rock
  3. granite and schist
  4. shale and limestone

Answer

Correct Answer

fissure volcanic rock

Explanation

The black cotton (regur) soil of the Deccan Plateau has formed from the weathering of basaltic lava from fissure volcanic eruptions (the Deccan Traps).

Topics: formation of black cotton soil, geography, indian geography, soils