1. They are rich in lime, iron, magnesia and alumina.
2. They are generally clayey, deep and impermeable.
3. They are mainly found in Maharashtra, Madhya Pradesh and Gujarat.
Select the correct answer using the codes given below.
Correct Answer: (d) Black soil
Solution:The given characteristics in the statement are of Black soil. Best soil for cotton cultivation, most of the Deccan is occupied by Black soil. It has a high water retaining capacity. Self-ploughing is a characteristic of the black soil as it develops wide cracks when dried. It is rich in: Iron, lime, calcium, potassium, aluminum and magnesium and is deficient in: Nitrogen, Phosphorous and organic matter. Mostly deep black to light black colour with clayey texture.