Correct Answer: Option C — Saline and Alkaline Soil. Saline and Alkaline Soil is correctly identified as reh, usar and kallar are regional names associated with salt-affected land. Saline and Alkaline Soil is also associated with drainage, leaching and gypsum treatment can aid reclamation where appropriate. Another identifying fact about Saline and Alkaline Soil is that reh, usar and kallar are regional names associated with salt-affected land. A further exam-relevant fact about Saline and Alkaline Soil is that drainage, leaching and gypsum treatment can aid reclamation where appropriate. Why the other options are incorrect: • Option A — Peaty and Marshy Soil: Peaty and Marshy Soil is it commonly has high humus and may be acidic. It is incorrect here because Peaty and Marshy Soil is instead associated with prolonged saturation slows decomposition of plant material. • Option B — Khadar: Khadar is fresh silt renewal generally makes it highly fertile. It is incorrect here because Khadar is instead associated with it is more frequently flooded than the older alluvial terraces. • Option D — Bangar: Bangar is calcareous kankar nodules may occur within its profile. It is incorrect here because Bangar is instead associated with it is generally less frequently renewed by floods than khadar. Exam Takeaway: Connect Saline and Alkaline Soil with “reh, usar and kallar are regional names associated with salt-affected land” and “drainage, leaching and gypsum treatment can aid reclamation where appropriate” for revision.
