What are the flood plains of Ghaggar river called in Haryana?

The correct answer is: B. Khadar

Khadar is the term used for the flood plains of the Ghaggar river in Haryana. It is a fertile alluvial plain that is formed by the deposition of silt and sand from the river. The Khadar is a major agricultural area and is home to a variety of crops, including rice, wheat, and sugarcane.

The other options are incorrect.

• Bangar is a term used for the uplands of the Ghaggar river in Haryana. It is a relatively dry area that is not as fertile as the Khadar.
• Terai is a term used for the foothills of the Himalayas. It is a humid area that is home to a variety of forests and wildlife.
• Bet and Naili are terms used for the sand dunes of the Thar Desert. They are a dry and inhospitable area.