Bundelkhand region is mainly characterized by:

Black cotton soil
Mixed red and black soil
Alluvial soil
Red soil

The correct answer is: D) Red soil

Bundelkhand is a region in central India that covers parts of the states of Uttar Pradesh and Madhya Pradesh. It is a plateau region with an average elevation of 600 meters (2,000 feet). The climate is semi-arid, with hot summers and cool winters. The main rivers are the Yamuna, Betwa, and Ken.

The soil in Bundelkhand is predominantly red soil, which is a type of soil that is rich in iron oxide. Red soil is well-drained and has a high pH level. It is suitable for growing a variety of crops, including wheat, rice, and pulses.

The other options are incorrect because:

  • Black cotton soil is a type of soil that is rich in organic matter. It is found in the Deccan Plateau of India.
  • Mixed red and black soil is a type of soil that is a mixture of red soil and black cotton soil. It is found in the states of Maharashtra, Gujarat, and Rajasthan.
  • Alluvial soil is a type of soil that is deposited by rivers. It is found in the Ganges Plain of India.