Podcast
Questions and Answers
Which soil order is characterized by a thick O horizon (peat) formed by accumulation of organic matter that fails to decompose?
Which soil order is characterized by a thick O horizon (peat) formed by accumulation of organic matter that fails to decompose?
- Histosol (correct)
- Gelisol
- Ultisol
- Oxisol
In which soil order do you typically find soils with aluminum and iron, forming in semiarid to humid areas?
In which soil order do you typically find soils with aluminum and iron, forming in semiarid to humid areas?
- Spodosol
- Alfisol (correct)
- Ultisol
- Gelisol
Which soil order is similar to Alfisol but more highly weathered and may contain laterite or bauxite horizons?
Which soil order is similar to Alfisol but more highly weathered and may contain laterite or bauxite horizons?
- Ultisol
- Spodosol
- Histosol
- Oxisol (correct)
What type of soils are characteristic of coniferous forests in cooler climates with a thick O horizon?
What type of soils are characteristic of coniferous forests in cooler climates with a thick O horizon?
Which soil order is most likely to be found in permafrost areas?
Which soil order is most likely to be found in permafrost areas?
In what soil order are heavily leached soils that resemble Alfisols but are more weathered found?
In what soil order are heavily leached soils that resemble Alfisols but are more weathered found?
What soil order is typically found in tropical rainforest environments?
What soil order is typically found in tropical rainforest environments?
Which of the following is an indication of a high degree of weathering in a soil?
Which of the following is an indication of a high degree of weathering in a soil?
According to the USDA soil classification system, which soil texture class has the highest proportion of sand?
According to the USDA soil classification system, which soil texture class has the highest proportion of sand?
Which soil characteristic is typically associated with well-drained, nutrient-rich forest soils?
Which soil characteristic is typically associated with well-drained, nutrient-rich forest soils?
What type of soil feature is indicated by the presence of cutans, glaebules, and pedotubules?
What type of soil feature is indicated by the presence of cutans, glaebules, and pedotubules?
Which of the following is a type of duricrust or hardpan layer that forms in soils?
Which of the following is a type of duricrust or hardpan layer that forms in soils?
Which soil order is characterized by a high glass content due to formation on volcanic ash?
Which soil order is characterized by a high glass content due to formation on volcanic ash?
What is a distinguishing feature of Vertisols?
What is a distinguishing feature of Vertisols?
Which soil order is characterized by a thick, organic-rich A horizon and a B horizon enriched in clay or calcium carbonate?
Which soil order is characterized by a thick, organic-rich A horizon and a B horizon enriched in clay or calcium carbonate?
Which soil order is indicative of an early stage of soil development with no B horizon development?
Which soil order is indicative of an early stage of soil development with no B horizon development?
Which soil order forms under desert conditions and is characterized by slow soil formation and scarce accumulated organic matter?
Which soil order forms under desert conditions and is characterized by slow soil formation and scarce accumulated organic matter?
What is a distinguishing feature of Inceptisols?
What is a distinguishing feature of Inceptisols?
