Q. In the Gangetic plains of Uttar Pradesh, which north bank tributary of the Ganga is notable for carrying large sediment loads from its Himalayan origin and plays a key role in forming floodplains? Answer:
Ghaghara (Saryu)
Notes: Ghaghara (Saryu) originates in the Himalayas, carries heavy sediment, and is the largest north bank tributary contributing to floodplain formation and flooding in eastern Uttar Pradesh.