Soil
Geography · 50 practice questions
Definition and properties of soil; factors and processes of soil formation; soil profiles; major tropical soil types, characteristics, distribution and uses; impact of human activities on soils.
- Classify soils and their properties.
- Identify the factors of soil formation.
- Differentiate soil horizon types.
- Compare major tropical soil types, their distribution and uses.
- Assess the impact of human activities on soils.
Try a few questions
- Practice question 1
Soil profile refers to the vertical arrangement of distinct layers, or horizons, visible when
- A.a cross-section of soil is examined
- B.the soil is examined only from directly above, without any depth at all
- C.no examination of any kind is actually carried out
- D.a factor entirely unrelated to the soil's own vertical structure
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A. a cross-section of soil is examined
The soil profile is specifically revealed by examining a vertical cross-section of the soil, showing its distinct horizons.
- Practice question 2
Mulching, the practice of covering soil with organic material, helps conserve moisture and
- A.eliminate soil moisture entirely, despite the practice's conservation goal
- B.a factor entirely unrelated to soil temperature or moisture
- C.regulate soil temperature
- D.increase soil erosion significantly, contrary to the practice's actual purpose
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C. regulate soil temperature
Mulching's benefits specifically include both moisture conservation and the regulation of soil temperature.
- Practice question 3
Alluvial soil, deposited by rivers, is generally
- A.found only in desert regions with no river activity
- B.fertile and well suited for agricultural use
- C.infertile and entirely unsuitable for any agricultural use
- D.composed exclusively of volcanic ash, with no river sediment
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B. fertile and well suited for agricultural use
River-deposited alluvial soil is generally valued specifically for its fertility and suitability for farming.
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