(B) Black soil is also called Regur soil. It is black in colour and ideal for growing cotton.This type of soil is typical of the Deccan trap (Basalt) region spread over North-West Deccan plateau and is made up of lava flows. The black soils are found in lava-covered areas of Maharashtra, Saurashtra,Northern Karnataka, etc. The word ‘regur’ originates from the Latin ‘regurgitare’ which means‘to overflow’.