Q. Which river passes through Punjab's Loamy Central region from Ropar to Fazilka?
Answer: Sutlej River
Notes: Sutlej River traverses the Loamy Central region of Punjab from Ropar to Fazilka, forming fertile alluvial plains. These soils, known as khadar, are ideal for agriculture, especially wheat, cotton, citrus, oilseeds, and fodder. The Beas, Ghaggar, and Chenab rivers flow in other regions.