Which Indian geography term is associated with exam-relevant association “supports intensive agriculture because of fertile soils and level terrain” and also with “an extensive alluvial plain”?

Correct Answer: Option D — Northern Plains. Northern Plains is correct because it is supports intensive agriculture because of fertile soils and level terrain. It is also associated with an extensive alluvial plain, 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 is rich in several metallic mineral resources; this is the specific geographical association of Peninsular Plateau. Option B — Thar Desert: It is the Luni is its important seasonal river system; this is the specific geographical association of Thar Desert. Option C — Western Coastal Plain: It is Kerala's backwaters are a notable feature of its southern part; this is the specific geographical association of Western Coastal Plain. Exam Takeaway: Connect Northern Plains with “supports intensive agriculture because of fertile soils and level terrain” for quick revision.