Which Landforms term is correctly associated with formation process: “formed where sediment accumulates as a river enters standing water”, and also with “distributaries commonly develop across it”?

Correct Answer: Option B — Delta. Delta is correct because it is formed where sediment accumulates as a river enters standing water. Delta is also associated with distributaries commonly develop across it. A further identifying fact is that Delta is distributaries commonly develop across it. Another useful fact is that Delta is associated with the Ganga-Brahmaputra delta is a major example. Why the other options are incorrect: Option A — Meander: It is formed by outer-bank erosion and inner-bank deposition and is associated with common in the middle and lower course of rivers. Option C — Oxbow lake: It is formed when a meander loop is cut off from the river and is associated with usually lies on a floodplain. Option D — Sand dune: It is formed by accumulation of wind-blown sand and is associated with its shape reflects wind direction and sand supply. Exam Takeaway: Link Delta with “formed where sediment accumulates as a river enters standing water” and “distributaries commonly develop across it” for quick revision.