Correct Answer: (b) Corn
Solution:Red soil is formed by the dissolution and dissolution of fibrous and metamorphic rocks as a result of climatic changes. This soil is rich in silica and iron. The red color of this soil is due to the presence of ferric oxide. This soil is somewhat sandy, lacking lime, magnesium, potash, phosphate, nitrogen and humus. This soil is suitable for cultivation of maize, millet, groundnut etc.