Which Indian geography term is associated with important geographical feature “formed mainly by the Indus, Ganga and Brahmaputra river systems” and also with “supports intensive agriculture because of fertile soils and level terrain”?

Correct Answer: Option C — Northern Plains. Northern Plains is correct because it is formed mainly by the Indus, Ganga and Brahmaputra river systems. It is also associated with supports intensive agriculture because of fertile soils and level terrain, which provides a second reliable identifying clue. These features are standard physical-geography facts and are useful for map-based and statement-based competitive-exam questions. Why the other options are incorrect: Option A — Peninsular Plateau: It is includes the Central Highlands and the Deccan Plateau; this is the specific geographical association of Peninsular Plateau. Option B — Thar Desert: It is receives low and highly variable rainfall; this is the specific geographical association of Thar Desert. Option D — Western Coastal Plain: It is includes the Konkan, Kannad and Malabar coastal sections; this is the specific geographical association of Western Coastal Plain. Exam Takeaway: Connect Northern Plains with “formed mainly by the Indus, Ganga and Brahmaputra river systems” for quick revision.