Which Indian soil term is correctly associated with classification or identity “a sandy soil of arid and semi-arid environments”, and also with “prominent in western Rajasthan and adjoining dry regions”?

Correct Answer: Option A — Arid Soil. Arid Soil is correctly identified as a sandy soil of arid and semi-arid environments. Arid Soil is also associated with prominent in western Rajasthan and adjoining dry regions. Another identifying fact about Arid Soil is that low humus and moisture are common limitations. A further exam-relevant fact about Arid Soil is that irrigation can make suitable areas productive but may increase salinity if poorly managed. Why the other options are incorrect: • Option B — Forest and Mountain Soil: Forest and Mountain Soil is a variable soil group formed under mountain vegetation and relief. It is incorrect here because Forest and Mountain Soil is instead associated with found across Himalayan and other highland regions. • Option C — Saline and Alkaline Soil: Saline and Alkaline Soil is a soil containing excessive soluble salts or exchangeable sodium. It is incorrect here because Saline and Alkaline Soil is instead associated with occurs in arid tracts, poorly drained plains and some coastal areas. • Option D — Peaty and Marshy Soil: Peaty and Marshy Soil is an organic-rich soil formed in waterlogged conditions. It is incorrect here because Peaty and Marshy Soil is instead associated with found in parts of Kerala, coastal wetlands and other poorly drained depressions. Exam Takeaway: Connect Arid Soil with “a sandy soil of arid and semi-arid environments” and “prominent in western Rajasthan and adjoining dry regions” for revision.