NCSU SSC 200 Exam I || Guaranteed Pass.
What are the six soil master horizons, in the order which you will find them in the soil, from top
to bottom? correct answers O, A, E, B, C, R
Which of the following soil forming processes describes a transport phenomena whereby soil
materials change location in the profile. correct answers Illuviation
Glacial till is a term used to describe parent materials that ________. correct answers ...contain a
mixture of mineral debris left behind by receding glaciers
(T or F) Epipedons are diagnostic subsurface horizons that are one of the primary means of
classifying soils in the United States. correct answers False
(T or F) for every 10 degrees C rise in temperature, the rate of biochemical reactions generally
doubles. correct answers True
Of the soil moisture regimes listed, has the highest soil moisture levels? correct answers udic
(T or F) Orchic is an example of a subsurface diagnostic horizon. correct answers False
Which mineral horizon of a mature soil profile would have the greatest organic matter content?
correct answers A
Igneous rocks can best be characterized as __________. correct answers rocks formed when
molten magma solidifies
What feature would best tell a soil's "age"? correct answers The presence or absence of specific
horizons
, Which soil is the least developed (younger) soil?
-Swales and depressions with drainage
-Foothills of the Sierra Nevadas
-A very dry desert
-An African tropical rainforest correct answers A very dry desert
The E horizon is ________. correct answers A zone of maximum eluviation
(T or F) The C horizons are generally less weathered than R horizons correct answers False
The categories of Soil Taxonomy, listed in order from the broadest soil description with the least
information to the most specific soil description with the greatest information: correct answers
Order, suborder, great group, subgroup, family, series
the greatest chemical weathering occurs on soils located in what climate? correct answers hot &
moist
_________ are gravity transported deposits found at the base of slopes. correct answers
Colluvium
(T or F) a folistic diagnostic horizon is an example of an epipedon. correct answers True
(T or F) Vertisols are characterized by low contents of swelling-type silicate clays. correct
answers False
A spodic horizon is an example of a(n) correct answers Diagnostic subsurface horizon
(T or F) The C horizons are generally less weathered than A horizons. correct answers True
What are the six soil master horizons, in the order which you will find them in the soil, from top
to bottom? correct answers O, A, E, B, C, R
Which of the following soil forming processes describes a transport phenomena whereby soil
materials change location in the profile. correct answers Illuviation
Glacial till is a term used to describe parent materials that ________. correct answers ...contain a
mixture of mineral debris left behind by receding glaciers
(T or F) Epipedons are diagnostic subsurface horizons that are one of the primary means of
classifying soils in the United States. correct answers False
(T or F) for every 10 degrees C rise in temperature, the rate of biochemical reactions generally
doubles. correct answers True
Of the soil moisture regimes listed, has the highest soil moisture levels? correct answers udic
(T or F) Orchic is an example of a subsurface diagnostic horizon. correct answers False
Which mineral horizon of a mature soil profile would have the greatest organic matter content?
correct answers A
Igneous rocks can best be characterized as __________. correct answers rocks formed when
molten magma solidifies
What feature would best tell a soil's "age"? correct answers The presence or absence of specific
horizons
, Which soil is the least developed (younger) soil?
-Swales and depressions with drainage
-Foothills of the Sierra Nevadas
-A very dry desert
-An African tropical rainforest correct answers A very dry desert
The E horizon is ________. correct answers A zone of maximum eluviation
(T or F) The C horizons are generally less weathered than R horizons correct answers False
The categories of Soil Taxonomy, listed in order from the broadest soil description with the least
information to the most specific soil description with the greatest information: correct answers
Order, suborder, great group, subgroup, family, series
the greatest chemical weathering occurs on soils located in what climate? correct answers hot &
moist
_________ are gravity transported deposits found at the base of slopes. correct answers
Colluvium
(T or F) a folistic diagnostic horizon is an example of an epipedon. correct answers True
(T or F) Vertisols are characterized by low contents of swelling-type silicate clays. correct
answers False
A spodic horizon is an example of a(n) correct answers Diagnostic subsurface horizon
(T or F) The C horizons are generally less weathered than A horizons. correct answers True
