Multiple choice general knowledge Black cotton soil is the chief soil type in which geographical feature? The Great Indian Plains The Deccan Plateau The Coastal Belts The Western Ghats Reveal answer Fill a bubble to check yourself B Correct answer Explanation Black cotton soil (regur) is predominantly found in the Deccan Plateau region, formed from weathered volcanic basalt rocks. The Great Indian Plains have alluvial soil, Coastal Belts have sandy soil, Western Ghats have laterite soil.