Correct Answer: Option C — Forest and Mountain Soil. Forest and Mountain Soil is correctly identified as texture and humus content change markedly with altitude and slope. Forest and Mountain Soil is also associated with terraced and valley areas may support tea, spices and temperate fruits. Another identifying fact about Forest and Mountain Soil is that texture and humus content change markedly with altitude and slope. A further exam-relevant fact about Forest and Mountain Soil is that terraced and valley areas may support tea, spices and temperate fruits. Why the other options are incorrect: • Option A — Saline and Alkaline Soil: Saline and Alkaline Soil is reh, usar and kallar are regional names associated with salt-affected land. It is incorrect here because Saline and Alkaline Soil is instead associated with drainage, leaching and gypsum treatment can aid reclamation where appropriate. • Option B — 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 D — 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. Exam Takeaway: Connect Forest and Mountain Soil with “texture and humus content change markedly with altitude and slope” and “terraced and valley areas may support tea, spices and temperate fruits” for revision.
