Question 1

Approximately what percent of farmlands are losing soil quicker than it can be formed?

Accepted Answer

A) 15 
B) 25 
C) 35 
D) 45 
E) 55 
A) 15 
B) 25 
C) 35 
D) 45 
E) 55

Question 2

In soil science,the term to describe the cohesion of soil particles is

Accepted Answer

A) soil texture. 
B) permeability. 
C) consistence. 
D) soil structure. 
E) soil moisture. 
A) soil texture. 
B) permeability. 
C) consistence. 
D) soil structure. 
E) soil moisture.

Question 3

The smallest natural lump or cluster of soil particles is known as a

Accepted Answer

A) horizon. 
B) ped. 
C) profile. 
D) separate. 
E) plasticity. 
A) horizon. 
B) ped. 
C) profile. 
D) separate. 
E) plasticity.

Question 4

In which of the following regions would one likely find Spodosols?

Accepted Answer

A) savannas and grasslands 
B) tropical rainforests 
C) northern coniferous forests 
D) deserts and semiarid areas 
E) high altitude tundra 
A) savannas and grasslands 
B) tropical rainforests 
C) northern coniferous forests 
D) deserts and semiarid areas 
E) high altitude tundra

Question 5

In terms of pedogenic regimes,soil acidification associated with forest soils in cool climates is

Accepted Answer

A) laterization. 
B) salinization. 
C) calcification. 
D) podzolization. 
E) gleization. 
A) laterization. 
B) salinization. 
C) calcification. 
D) podzolization. 
E) gleization.

Question 6

Which soil order occupies the most land area worldwide?

Accepted Answer

A) Oxisols 
B) Mollisols 
C) Aridisols 
D) Andisols 
E) Spodosols 
A) Oxisols 
B) Mollisols 
C) Aridisols 
D) Andisols 
E) Spodosols

Question 7

Which of the following is not a physical property used to distinguish soils?

Accepted Answer

A) color 
B) texture 
C) porosity 
D) moisture 
E) temperature 
A) color 
B) texture 
C) porosity 
D) moisture 
E) temperature

Question 8

Soil Texture Triangle

A soil that is 20% sand,60% silt,and 20% clay is classified as

Accepted Answer

A) sandy clay. 
B) sandy clay loam. 
C) silt loam. 
D) clay loam. 
E) clay. 
A) sandy clay. 
B) sandy clay loam. 
C) silt loam. 
D) clay loam. 
E) clay.

Question 9

The horizon in which water moves fine particles downward in a process called eluviation is the ___horizon.

Accepted Answer

A) A 
B) O 
C) E 
D) B 
E) C 
A) A 
B) O 
C) E 
D) B 
E) C

Question 10

Describe and explain the distribution of soil orders across the United States.

Accepted Answer

Across the United States,there is a soil

Question 11

Where would one likely find the deepest soil development?

Accepted Answer

A) on steep slopes 
B) level or nearly level grounds 
C) moderately sloping,south facing hills 
D) over the oldest geological formations in an area,regardless of slope 
E) in biologically productive areas,regardless of slope or aspect 
A) on steep slopes 
B) level or nearly level grounds 
C) moderately sloping,south facing hills 
D) over the oldest geological formations in an area,regardless of slope 
E) in biologically productive areas,regardless of slope or aspect

Question 12

Most of the glacially derived till and outwash materials from New York through the Appalachians are

Accepted Answer

A) Spodosols. 
B) Histosols. 
C) Inceptisols. 
D) Gelisols. 
E) Aridisols 
A) Spodosols. 
B) Histosols. 
C) Inceptisols. 
D) Gelisols. 
E) Aridisols

Question 13

These soils primarily occur in the northern coniferous forests,but may also occur with more moderate properties under mixed or deciduous forests.

Accepted Answer

A) Ultisols 
B) Inceptisols 
C) Entisols 
D) Oxisols 
E) Spodosols 
A) Ultisols 
B) Inceptisols 
C) Entisols 
D) Oxisols 
E) Spodosols

Question 14

Another term for soils,based on the Greek term thereof,is

Accepted Answer

A) pedosphere. 
B) edaphosphere. 
C) geosphere. 
D) biosphere. 
E) asthenosphere. 
A) pedosphere. 
B) edaphosphere. 
C) geosphere. 
D) biosphere. 
E) asthenosphere.

Question 15

The term used to denote the part of a volume of soil that is filled with air,gases,or water is

Accepted Answer

A) soil texture. 
B) porosity. 
C) permeability. 
D) soil structure. 
E) soil moisture. 
A) soil texture. 
B) porosity. 
C) permeability. 
D) soil structure. 
E) soil moisture.

Question 16

A plant that is unable to extract needed water from soil has reached its

Accepted Answer

A) field capacity. 
B) permeability. 
C) wilting point. 
D) porosity. 
E) cation-exchange. 
A) field capacity. 
B) permeability. 
C) wilting point. 
D) porosity. 
E) cation-exchange.

Question 17

____refers to the size and shape of the aggregates of particles of soil.

Accepted Answer

A) Soil texture 
B) Soil consistence 
C) Soil structure 
D) Soil plasticity 
E) Soil porosity 
A) Soil texture 
B) Soil consistence 
C) Soil structure 
D) Soil plasticity 
E) Soil porosity

Question 18

In terms of pedogenic regimes,the process that concentrates salts in soils in climates with high evapotranspiration is

Accepted Answer

A) laterization. 
B) salinization. 
C) calcification. 
D) podzolization. 
E) gleization. 
A) laterization. 
B) salinization. 
C) calcification. 
D) podzolization. 
E) gleization.

Question 19

These high latitude,periglacial soils contain about half of the pool of global carbon.

Accepted Answer

A) Oxisols 
B) Spodosols 
C) Gelisols 
D) Mollisols 
E) Aridisols 
A) Oxisols 
B) Spodosols 
C) Gelisols 
D) Mollisols 
E) Aridisols

Question 20

Soil structure can be defined as which of the following?

Accepted Answer

A) crumb or granular only 
B) platy only 
C) blocky only 
D) prismatic only 
E) crumb or granular,platy,blocky,or prismatic 
A) crumb or granular only 
B) platy only 
C) blocky only 
D) prismatic only 
E) crumb or granular,platy,blocky,or prismatic

Approximately what percent of farmlands are losing soil quicker than it can be formed?

In soil science,the term to describe the cohesion of soil particles is

The smallest natural lump or cluster of soil particles is known as a

In which of the following regions would one likely find Spodosols?

In terms of pedogenic regimes,soil acidification associated with forest soils in cool climates is

Which soil order occupies the most land area worldwide?

Which of the following is not a physical property used to distinguish soils?

Soil Texture Triangle A soil that is 20% sand,60% silt,and 20% clay is classified as

The horizon in which water moves fine particles downward in a process called eluviation is the ___horizon.

Describe and explain the distribution of soil orders across the United States.

Where would one likely find the deepest soil development?

Most of the glacially derived till and outwash materials from New York through the Appalachians are

These soils primarily occur in the northern coniferous forests,but may also occur with more moderate properties under mixed or deciduous forests.

Another term for soils,based on the Greek term thereof,is

The term used to denote the part of a volume of soil that is filled with air,gases,or water is

A plant that is unable to extract needed water from soil has reached its

____refers to the size and shape of the aggregates of particles of soil.

In terms of pedogenic regimes,the process that concentrates salts in soils in climates with high evapotranspiration is

These high latitude,periglacial soils contain about half of the pool of global carbon.

Soil structure can be defined as which of the following?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth’s Atmosphere

Atmospheric Energy and Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Earth’s Climatic Regions

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems

Aeolian Processes and Arid Landscapes

Oceans and Coastal Systems

Glacial Landscapes and the Cryosphere

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 18: The Geography of Soils

Approximately what percent of farmlands are losing soil quicker than it can be formed?

In soil science,the term to describe the cohesion of soil particles is

The smallest natural lump or cluster of soil particles is known as a

In which of the following regions would one likely find Spodosols?

In terms of pedogenic regimes,soil acidification associated with forest soils in cool climates is

Which soil order occupies the most land area worldwide?

Which of the following is not a physical property used to distinguish soils?

Soil Texture Triangle A soil that is 20% sand,60% silt,and 20% clay is classified as

The horizon in which water moves fine particles downward in a process called eluviation is the ___horizon.

Describe and explain the distribution of soil orders across the United States.

Where would one likely find the deepest soil development?

Most of the glacially derived till and outwash materials from New York through the Appalachians are

These soils primarily occur in the northern coniferous forests,but may also occur with more moderate properties under mixed or deciduous forests.

Another term for soils,based on the Greek term thereof,is

The term used to denote the part of a volume of soil that is filled with air,gases,or water is

A plant that is unable to extract needed water from soil has reached its

____refers to the size and shape of the aggregates of particles of soil.

In terms of pedogenic regimes,the process that concentrates salts in soils in climates with high evapotranspiration is

These high latitude,periglacial soils contain about half of the pool of global carbon.

Soil structure can be defined as which of the following?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth’s Atmosphere

Atmospheric Energy and Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Earth’s Climatic Regions

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems

Aeolian Processes and Arid Landscapes

Oceans and Coastal Systems

Glacial Landscapes and the Cryosphere

Ecosystem Essentials

Terrestrial Biomes

Filters