Which Indian geography term is associated with location or extent “lies mainly in western Rajasthan” and also with “receives low and highly variable rainfall”?

Correct Answer: Option B — Thar Desert. Thar Desert is correct because it is lies mainly in western Rajasthan. It is also associated with receives low and highly variable rainfall, 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 — Western Coastal Plain: It is lies between the Western Ghats and the Arabian Sea; this is the specific geographical association of Western Coastal Plain. Option C — Eastern Coastal Plain: It is lies between the Eastern Ghats and the Bay of Bengal; this is the specific geographical association of Eastern Coastal Plain. Option D — Indian island groups: It is include Lakshadweep in the Arabian Sea and Andaman-Nicobar in the Bay of Bengal; this is the specific geographical association of Indian island groups. Exam Takeaway: Connect Thar Desert with “lies mainly in western Rajasthan” for quick revision.