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Geography Optional 300+ Score Pack · Model answer
Distinguish between the characteristics of Chernozem and Sierozem soils.
- UPSC 2017
- Biogeography
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Chernozem (Russian chornyi, black + zemlya, earth) and Sierozem (serozem, grey earth) are both pedocals, carbonate-accumulating soils of moisture-deficit climates; they stand at the two ends of the grassland-to-desert gradient, with chestnut soils between them.
You are reading the opening of the model answer. The full answer is part of the Geography Optional 300+ Score Pack.
What the full answer covers
- Distinction on Stated Criteria
- Why They Differ
- Chernozem: Biological Accumulation Dominates
- Sierozem: Evaporation Dominates
- Modern Equivalents and Current State
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