You are seeking a soil with high clay content but one that is not sticky when wet nor hard and ...

You are seeking a soil with high clay content but one that is not sticky when wet nor hard and cloddy when dry. In which of the following suborders would you most likely find this soil?
 
  A) Udert B) Cambids C) Aquands D) Ustox E) Ustalfs

Question 2

Argillic horizons are characterized by:
 
  A) organic matter accumulation.
  B) accumulation of silicate clays.
  C) impervious hardpan layers.
  D) high levels of iron and aluminum oxides.
  E) high level of Na+ ions.

Question 3

Which of the following categories of Soil Taxonomy provides the greatest specificity of soil properties?
 
  A) order B) series C) great group D) suborder E) family

Question 4

A soil has a thick black A horizon, a distinct B horizon, has reasonably stable soil structure, and was formed under grassland natural vegetation. In which suborder is it most likely classed?
 
  A) Udolls B) Aquents C) Ustalfs D) Udults E) Cambids

Question 5

Which of the following diagnostic horizons would likely not restrict root growth in soils?
 
  A) petrocalcic B) placic C) fragipan D) albic E) salic