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Soil Groups (According to the WRB) - Statistics
General Stats
- This quiz has been taken 9 times
- The average score is 22 of 32
Answer Stats
| Hint | Soil Group | % Correct |
|---|---|---|
| Has been formed or heavily modified due to long-term human influences, such as irrigation. | Anthrosol | 100%
|
| A soil that has a lot of accumulated carbonates. | Calcisol | 100%
|
| Soil that is dominated by volcanic ash materials. | Andosol | 83%
|
| Weakly developed soils showing initial alteration but no major accumulation. | Cambisol | 83%
|
| Deep, dark humus-rich topsoil with high base saturation and a mollic horizon. | Chernozem | 83%
|
| Contains permafrost within 1m of soil surface. | Cryosol | 83%
|
| Young soils formed in recent alluvial deposits with stratification. | Fluvisol | 83%
|
| Groundwater-dominated soil, showing reducing and oxidating conditions. | Gleysol | 83%
|
| A soil that has a lot of accumulated gypsum. | Gypsisol | 83%
|
| Has a brownish, humus-rich surface horizon typical of steppe climates. | Kastanozem | 83%
|
| Has a ash-grey E-horizon formed by intense leaching. | Podzol | 83%
|
| Has no significant profile development. | Regosol | 83%
|
| Has a high concentration of exchangable sodium. | Solonetz | 83%
|
| Strongly weathered soil with a clay-rich subsurface horizon and low base saturation | Acrisol | 67%
|
| Has an argic horizon with low base saturation and high-activity clays. | Alisol | 67%
|
| Very sandy soils with little profile development. | Arenosol | 67%
|
| Has at least 40cm of organic matter starting within 40cm from the soil surface. | Histosol | 67%
|
| Continiuous rock starting within 25cm of the soil surface. | Leptosol | 67%
|
| Has an argic horizon with low base saturation and low-activity clays | Lixisol | 67%
|
| Has an argic horizon with high base saturation. | Luvisol | 67%
|
| Deep, well-structured nitic horizon with shiny ped faces and stable aggregates. | Nitisol | 67%
|
| Humus-rich surface horizon, but more leached and with moderate rainfall | Phaeozem | 67%
|
| Has a textural discontinuity, causing seasonal waterlogging. | Planosol | 67%
|
| Has a high concentration of plinthite in the soil. | Plinthosol | 67%
|
| Has a high concentration of soluble salts. | Solonchak | 67%
|
| Contains a significant amount of artifacts in the soil (something that is made or extracted from earth by humans). | Technosol | 67%
|
| Very deeply weathered, iron- and aluminum-rich, low-activity clays. | Ferralsol | 50%
|
| Water stagnates in the upper soil layer above a slowly permeable layer. | Stagnosol | 50%
|
| Has a thick, dark, humus-rich surface layer. | Umbrisol | 33%
|
| Clay-rich soil that shows cracks on the surface. | Vertisol | 33%
|
| A soil that has a lot of accumulated silica. | Durisol | 17%
|
| Has a distinctive net-like pattern of pale, clay-poor layers within a darker, clay-rich layer. | Retisol | 0%
|
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