Soil Groups (According to the WRB) - Statistics

Jump to: Answer Stats | Score Distribution | Your Scores

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%

Score Distribution

Percent of People with Each Score

Percentile by Number Answered

Your Score History

You have not taken this quiz

Countries of the World Quiz

US States Quiz

World Map Without 20 Random Countries

Countries by First Two Letters in 90 Seconds

Fast Typing 1 to 100

World Capitals Quiz

Europe Map Quiz

United States Map Quiz

Countries by Borders in 90 Seconds

Countries of Europe Quiz

U.S. Presidents Quiz

Fifty US States in One Minute