Question 1

A few centimeters' thickness of prime farmland soil may require ________ years to form.

Accepted Answer

A)  10 
B)  50 
C)  100 
D)  500 
A)  10 
B)  50 
C)  100 
D)  500

Question 2

Acidic soils

Accepted Answer

A)  are exceptionally rare. 
B)  cause more rapid weathering and leaching of nutrients. 
C)  tend to be very fertile and excellent for agriculture purposes. 
D)  are high in calcium, magnesium, potassium, and sodium ions. 
A)  are exceptionally rare. 
B)  cause more rapid weathering and leaching of nutrients. 
C)  tend to be very fertile and excellent for agriculture purposes. 
D)  are high in calcium, magnesium, potassium, and sodium ions.

Question 3

Which of the following areas has the highest rick of desertification?

Accepted Answer

A)  the Sahel (Sub-Saharan Africa) 
B)  northeastern Australia 
C)  central Asia 
D)  Venezuela 
A)  the Sahel (Sub-Saharan Africa) 
B)  northeastern Australia 
C)  central Asia 
D)  Venezuela

Question 4

________ 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 
A)  Soil texture 
B)  Soil consistence 
C)  Soil structure 
D)  Soil plasticity

Question 5

What do you think are the biggest challenges related to soil conservation and management in the coming decades?

Accepted Answer

Answers will vary. However, they may inc

Question 6

Salinization is likely to occur

Accepted Answer

A)  in the tropics. 
B)  in areas of high potential evapotranspiration rates. 
C)  in humid climate regions. 
D)  in areas characterized by coniferous forests. 
A)  in the tropics. 
B)  in areas of high potential evapotranspiration rates. 
C)  in humid climate regions. 
D)  in areas characterized by coniferous forests.

Question 7

Mollisols are widespread in the United States. occurring throughout the Great Plains region.

Accepted Answer

A) True 
 B)False

Question 8

List and briefly describe the various physical properties used to differentiate soils.

Accepted Answer

Soil color is an important indicator of

Question 9

In terms of pedogenic regimes, the leaching process in humid and warm climates is known as

Accepted Answer

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

Question 10

Desertification is affecting over a billion people worldwide.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is not a factor contributing to desertification?

Accepted Answer

A)  overgrazing 
B)  no-till agriculture 
C)  salinization 
D)  climate change 
A)  overgrazing 
B)  no-till agriculture 
C)  salinization 
D)  climate change

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

Question 13

What are some of the concerns regarding the rate and amount of soil loss in the United States. What does a cost benefit analysis of soil loss prevention show?

Accepted Answer

Soil erosion is the breakdown, detachmen

Question 14

Soil separates refers to

Accepted Answer

A)  differing soil colors in a pedon. 
B)  individual mineral particles, such as sand, silt, and clay. 
C)  the different soil horizons. 
D)  pebbles, gravel, cobble, and other materials greater than 2 mm in diameter found in soils. 
A)  differing soil colors in a pedon. 
B)  individual mineral particles, such as sand, silt, and clay. 
C)  the different soil horizons. 
D)  pebbles, gravel, cobble, and other materials greater than 2 mm in diameter found in soils.

Question 15

Which of the following best describes the role of biological activity in soils development?

Accepted Answer

A)  Broadleaf trees tend to increase the alkalinity of soil, whereas needleleaf trees increase the acidity. 
B)  Earthworms increase soil porosity and contribute to soil movement and organic content. 
C)  Plant roots provide channels for air and water movement in soils. 
D)  All organisms living in, on, and over the soil, influence soil development and characteristics: they can influence the pH, the organic matter, chemical content, and biological content of soils. 
A)  Broadleaf trees tend to increase the alkalinity of soil, whereas needleleaf trees increase the acidity. 
B)  Earthworms increase soil porosity and contribute to soil movement and organic content. 
C)  Plant roots provide channels for air and water movement in soils. 
D)  All organisms living in, on, and over the soil, influence soil development and characteristics: they can influence the pH, the organic matter, chemical content, and biological content of soils.

Question 16

________ are high latitude soils containing permafrost and large amounts of organic matter.

Accepted Answer

A)  Alfisols 
B)  Ultisols 
C)  Inceptisols 
D)  Gelisols 
A)  Alfisols 
B)  Ultisols 
C)  Inceptisols 
D)  Gelisols

Question 17

In a west to east transect across the 98th meridian in the United States, which of the following is the correct sequence of soil orders?

Accepted Answer

A)  Alfisols, Aridisols, Ultisols 
B)  Aridisols, Oxisols, Mollisols 
C)  Aridisols, Mollisols, Alfisols 
D)  Alfisols, Mollisols, Utilsols 
A)  Alfisols, Aridisols, Ultisols 
B)  Aridisols, Oxisols, Mollisols 
C)  Aridisols, Mollisols, Alfisols 
D)  Alfisols, Mollisols, Utilsols

Question 18

Which of the following is among the most mature soils on Earth?

Accepted Answer

A)  Andisols 
B)  Inceptisols 
C)  Entisols 
D)  Oxisols 
A)  Andisols 
B)  Inceptisols 
C)  Entisols 
D)  Oxisols

Question 19

Soils will develop at faster rates in which of the following environments?

Accepted Answer

A)  hot and dry 
B)  cold and dry 
C)  warm and humid 
D)  in areas where they can develop directly from bedrock, regardless of climate conditions 
A)  hot and dry 
B)  cold and dry 
C)  warm and humid 
D)  in areas where they can develop directly from bedrock, regardless of climate conditions

Question 20

Which soil order occupies the most land area worldwide?

Accepted Answer

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

A few centimeters' thickness of prime farmland soil may require ________ years to form.

Acidic soils

Which of the following areas has the highest rick of desertification?

________ refers to the size and shape of the aggregates of particles of soil.

What do you think are the biggest challenges related to soil conservation and management in the coming decades?

Salinization is likely to occur

Mollisols are widespread in the United States. occurring throughout the Great Plains region.

List and briefly describe the various physical properties used to differentiate soils.

In terms of pedogenic regimes, the leaching process in humid and warm climates is known as

Desertification is affecting over a billion people worldwide.

Which of the following is not a factor contributing to desertification?

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

What are some of the concerns regarding the rate and amount of soil loss in the United States. What does a cost benefit analysis of soil loss prevention show?

Soil separates refers to

Which of the following best describes the role of biological activity in soils development?

________ are high latitude soils containing permafrost and large amounts of organic matter.

In a west to east transect across the 98th meridian in the United States, which of the following is the correct sequence of soil orders?

Which of the following is among the most mature soils on Earth?

Soils will develop at faster rates in which of the following environments?

Which soil order occupies the most land area worldwide?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 18: The Geography of Soils

A few centimeters' thickness of prime farmland soil may require ________ years to form.

Acidic soils

Which of the following areas has the highest rick of desertification?

________ refers to the size and shape of the aggregates of particles of soil.

What do you think are the biggest challenges related to soil conservation and management in the coming decades?

Salinization is likely to occur

Mollisols are widespread in the United States. occurring throughout the Great Plains region.

List and briefly describe the various physical properties used to differentiate soils.

In terms of pedogenic regimes, the leaching process in humid and warm climates is known as

Desertification is affecting over a billion people worldwide.

Which of the following is not a factor contributing to desertification?

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

What are some of the concerns regarding the rate and amount of soil loss in the United States. What does a cost benefit analysis of soil loss prevention show?

Soil separates refers to

Which of the following best describes the role of biological activity in soils development?

________ are high latitude soils containing permafrost and large amounts of organic matter.

In a west to east transect across the 98th meridian in the United States, which of the following is the correct sequence of soil orders?

Which of the following is among the most mature soils on Earth?

Soils will develop at faster rates in which of the following environments?

Which soil order occupies the most land area worldwide?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

Ecosystem Essentials

Terrestrial Biomes

Filters