Question 1

In humid regions gray or white soil indicates a concentration of iron near the surface.

Accepted Answer

A) True 
 B)False

Question 2

Which soil-forming factor is much more important than the others in "causing" the specific soil of a location?

Accepted Answer

A)  climatic 
B)  geologic 
C)  chronological 
D)  biological 
E)  none of the above 
A)  climatic 
B)  geologic 
C)  chronological 
D)  biological 
E)  none of the above

Question 3

Humus is an example of inorganic colloids in the soil.

Accepted Answer

A) True 
 B)False

Question 4

The main soil order adapted to wet-dry cycles and having clayey surfaces is ________.

Accepted Answer

A)  Entisols 
B)  Mollisols 
C)  Inceptisols 
D)  Vertisols 
E)  Aridisols 
A)  Entisols 
B)  Mollisols 
C)  Inceptisols 
D)  Vertisols 
E)  Aridisols

Question 5

The diagnostic horizon for the soil order of ________ is a subsurface dominated by oxides of iron and aluminum and with a minimal supply of nutrient bases; they evolve in warm, moist regions.

Accepted Answer

The answer of The diagnostic horizon for the soil order...

Question 6

An important soil order, the ________ are mainly restricted to the tropics.

Accepted Answer

A)  Oxisols 
B)  Aridisols 
C)  Mollisols 
D)  Ultisols 
E)  Histosols 
A)  Oxisols 
B)  Aridisols 
C)  Mollisols 
D)  Ultisols 
E)  Histosols

Question 7

The shallowest soils can be found in which regions?

Accepted Answer

A)  cold and wet 
B)  cold and dry 
C)  warm and wet 
D)  warm and dry 
E)  rainforests 
A)  cold and wet 
B)  cold and dry 
C)  warm and wet 
D)  warm and dry 
E)  rainforests

Question 8

The processes that deepen and age soils include all but the following:

Accepted Answer

A)  translocation. 
B)  addition. 
C)  transformation. 
D)  loss. 
E)  taxonomy. 
A)  translocation. 
B)  addition. 
C)  transformation. 
D)  loss. 
E)  taxonomy.

Question 9

Regolith is the loose, inorganic material overlying unfragmented bedrock.

Accepted Answer

A) True 
 B)False

Question 10

The lowest level of the Soil Taxonomy soil classification system is the ________.

Accepted Answer

A)  family 
B)  cation 
C)  series 
D)  group 
E)  subgroup 
A)  family 
B)  cation 
C)  series 
D)  group 
E)  subgroup

Question 11

In semiarid climates there is a tendency for calcium carbonate to build up in a hardpan layer beneath the surface.

Accepted Answer

A) True 
 B)False

Question 12

Sandstone bedrock usually produces a coarse soil which is easily penetrated by water and air.

Accepted Answer

A) True 
 B)False

Question 13

Soils made up of mainly ________ do not develop a true soil structure.

Accepted Answer

A)  peds 
B)  sand 
C)  loam 
D)  humus 
E)  none of the above 
A)  peds 
B)  sand 
C)  loam 
D)  humus 
E)  none of the above

Question 14

The mixing of soil materials by the activities of animals is known as ________.

Accepted Answer

The answer of The mixing of soil materials by the...

Question 15

Which of the following terms is usually associated with soil moisture?

Accepted Answer

A)  wilting point 
B)  pore spaces 
C)  field capacity 
D)  groundwater 
E)  soil-water budget 
A)  wilting point 
B)  pore spaces 
C)  field capacity 
D)  groundwater 
E)  soil-water budget

Question 16

A soil containing an A horizon atop partially altered parent material is said to be immature.

Accepted Answer

A) True 
 B)False

Question 17

Mature tropical soils are generally noteworthy for their ________ color.

Accepted Answer

A)  black 
B)  tan 
C)  red 
D)  white 
E)  gray 
A)  black 
B)  tan 
C)  red 
D)  white 
E)  gray

Question 18

Air within the soil is usually highly saturated and rich in ________.

Accepted Answer

A)  oxygen 
B)  argon 
C)  carbon dioxide 
D)  aluminum 
E)  none of the above 
A)  oxygen 
B)  argon 
C)  carbon dioxide 
D)  aluminum 
E)  none of the above

Question 19

The boreal forest in subarctic locations is the typical setting for ________.

Accepted Answer

A)  erosion 
B)  gleization 
C)  calcification 
D)  podzolization 
E)  laterization 
A)  erosion 
B)  gleization 
C)  calcification 
D)  podzolization 
E)  laterization

Question 20

Which of the following is NOT a property of soil clay?

Accepted Answer

A)  occurs as thin laminar sheets 
B)  made primarily of silt 
C)  colloidal in size 
D)  Many chemical reactions occur on its surfaces. 
E)  It is able to hold water to itself. 
A)  occurs as thin laminar sheets 
B)  made primarily of silt 
C)  colloidal in size 
D)  Many chemical reactions occur on its surfaces. 
E)  It is able to hold water to itself.

In humid regions gray or white soil indicates a concentration of iron near the surface.

Which soil-forming factor is much more important than the others in "causing" the specific soil of a location?

Humus is an example of inorganic colloids in the soil.

The main soil order adapted to wet-dry cycles and having clayey surfaces is ________.

The diagnostic horizon for the soil order of ________ is a subsurface dominated by oxides of iron and aluminum and with a minimal supply of nutrient bases; they evolve in warm, moist regions.

An important soil order, the ________ are mainly restricted to the tropics.

The shallowest soils can be found in which regions?

The processes that deepen and age soils include all but the following:

Regolith is the loose, inorganic material overlying unfragmented bedrock.

The lowest level of the Soil Taxonomy soil classification system is the ________.

In semiarid climates there is a tendency for calcium carbonate to build up in a hardpan layer beneath the surface.

Sandstone bedrock usually produces a coarse soil which is easily penetrated by water and air.

Soils made up of mainly ________ do not develop a true soil structure.

The mixing of soil materials by the activities of animals is known as ________.

Which of the following terms is usually associated with soil moisture?

A soil containing an A horizon atop partially altered parent material is said to be immature.

Mature tropical soils are generally noteworthy for their ________ color.

Air within the soil is usually highly saturated and rich in ________.

The boreal forest in subarctic locations is the typical setting for ________.

Which of the following is NOT a property of soil clay?

Introduction to Earth

Portraying Earth

Introduction to the Atmosphere

Insolation and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Atmospheric Disturbances

Climatic and Climate Change

The Hydrosphere

Cycles and Patterns in the Biosphere

Terrestrial Flora and Fauna

Introduction to Landform Study

The Internal Processes

Preliminaries to Erosion: Weathering and Mass Wasting

Fluvial Processes

Karst and Hydrothermal Processes

The Topography of Arid Lands

Glacial Modification of Terrain

Coastal Processes and Terrain

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Exam 12: Soils

In humid regions gray or white soil indicates a concentration of iron near the surface.

Which soil-forming factor is much more important than the others in "causing" the specific soil of a location?

Humus is an example of inorganic colloids in the soil.

The main soil order adapted to wet-dry cycles and having clayey surfaces is ________.

The diagnostic horizon for the soil order of ________ is a subsurface dominated by oxides of iron and aluminum and with a minimal supply of nutrient bases; they evolve in warm, moist regions.

An important soil order, the ________ are mainly restricted to the tropics.

The shallowest soils can be found in which regions?

The processes that deepen and age soils include all but the following:

Regolith is the loose, inorganic material overlying unfragmented bedrock.

The lowest level of the Soil Taxonomy soil classification system is the ________.

In semiarid climates there is a tendency for calcium carbonate to build up in a hardpan layer beneath the surface.

Sandstone bedrock usually produces a coarse soil which is easily penetrated by water and air.

Soils made up of mainly ________ do not develop a true soil structure.

The mixing of soil materials by the activities of animals is known as ________.

Which of the following terms is usually associated with soil moisture?

A soil containing an A horizon atop partially altered parent material is said to be immature.

Mature tropical soils are generally noteworthy for their ________ color.

Air within the soil is usually highly saturated and rich in ________.

The boreal forest in subarctic locations is the typical setting for ________.

Which of the following is NOT a property of soil clay?

Introduction to Earth

Portraying Earth

Introduction to the Atmosphere

Insolation and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Atmospheric Disturbances

Climatic and Climate Change

The Hydrosphere

Cycles and Patterns in the Biosphere

Terrestrial Flora and Fauna

Introduction to Landform Study

The Internal Processes

Preliminaries to Erosion: Weathering and Mass Wasting

Fluvial Processes

Karst and Hydrothermal Processes

The Topography of Arid Lands

Glacial Modification of Terrain

Coastal Processes and Terrain

Filters