Civil Services Kerala (കേരളം) PSC KAS Prelims Test Series 2025 General Knowledge Indian Geography Soils
Why Red soil develops reddish colour in peninsular India?
1
Due to a wide diffusion of iron in crystalline and metamorphic rocks.
2
Due to eficient in phosphate, lime, magnesia, humus and nitrogen.
3
Due to the presence of Nitrous oxides
4
Due to a mixture of hydrated oxides of aluminium and iron.