The correct answer is B. Poor drainage.
Bhangar soil is a type of soil found in the Gangetic Plain of India. It is a loamy soil that is rich in nutrients and is well-drained. Bhangar soil is ideal for growing a variety of crops, including sugarcane, rice, and wheat.
Option A is true. Bhangar soil is a loamy soil. Loamy soil is a type of soil that is made up of a mixture of sand, silt, and clay. Loamy soil is a good soil for growing crops because it is well-drained and has good water retention.
Option C is true. Bhangar soil is good for sugarcane cultivation. Sugarcane is a crop that is grown in tropical and subtropical climates. Sugarcane is a tall grass that is grown for its sugar-rich juice. Bhangar soil is a good soil for growing sugarcane because it is well-drained and has good water retention.
Option D is false. Bhangar soil is not found in lowland areas. Bhangar soil is found in the Gangetic Plain of India. The Gangetic Plain is a large plain that is located in northern India. The Gangetic Plain is a lowland area. However, Bhangar soil is not found in lowland areas. Bhangar soil is found in the uplands of the Gangetic Plain.