Question 1

What are the five primary soil forming factors? Describe each using examples.

Accepted Answer

Parent material,climate,biological activ

Question 2

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

Accepted Answer

A) 10 
B) 50 
C) 100 
D) 250 
E) 500 
A) 10 
B) 50 
C) 100 
D) 250 
E) 500

Question 3

The horizon identified as regolith 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 4

What is the predominant soil order in the area in which you live? Describe the activities that occur on these soils that reflect the characteristics thereof.

Accepted Answer

Answers will vary depending on where stu

Question 5

The maximum water available for plant use after water has drained from the large pore spaces is

Accepted Answer

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

Question 6

Which of the following best describes soil?

Accepted Answer

A) Soil is composed of solely mineral fragments less than 2 mm in size. 
B) Soil lacks biological material,constituting only the inorganic portions of earthen materials. 
C) Soil is an inorganic substance,yet vital to sustaining life,particularly plants. 
D) Soil is a dynamic material composed of water,air,mineral fragments,and organic matter. 
E) Soil is a closed system in terms of matter (water,rock,and sediments),but open in terms of energy (insolation). 
A) Soil is composed of solely mineral fragments less than 2 mm in size. 
B) Soil lacks biological material,constituting only the inorganic portions of earthen materials. 
C) Soil is an inorganic substance,yet vital to sustaining life,particularly plants. 
D) Soil is a dynamic material composed of water,air,mineral fragments,and organic matter. 
E) Soil is a closed system in terms of matter (water,rock,and sediments),but open in terms of energy (insolation).

Question 7

This is the world's largest soil order,occurring on 19% of the Earth's land surface in the world's dry regions.

Accepted Answer

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

Question 8

The branch of soil science that deals with the origin,classification,distribution,and description of soils is known as

Accepted Answer

A) pedology. 
B) edaphology. 
C) geology. 
D) geomorphology. 
E) mineralogy. 
A) pedology. 
B) edaphology. 
C) geology. 
D) geomorphology. 
E) mineralogy.

Question 9

Carbon dioxide concentrations in soil are ___than (as)in the atmosphere because____ .

Accepted Answer

A) lower;transpiration 
B) lower;plant photosynthesis 
C) higher;ongoing respiration in the ground 
D) higher;decay of dead plants and animals 
E) about the same;conditions in the soil and atmosphere are similar 
A) lower;transpiration 
B) lower;plant photosynthesis 
C) higher;ongoing respiration in the ground 
D) higher;decay of dead plants and animals 
E) about the same;conditions in the soil and atmosphere are similar

Question 10

In which of the following areas would one likely find Aridisols?

Accepted Answer

A) northern Europe 
B) the selva in Brazil 
C) the U.S.southwest 
D) marine west coast climates 
E) the tundra of North America and northern Europe 
A) northern Europe 
B) the selva in Brazil 
C) the U.S.southwest 
D) marine west coast climates 
E) the tundra of North America and northern Europe

Question 11

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 12

A vertical section of soil is generally organized into distinct horizontal layers called

Accepted Answer

A) soil profiles. 
B) pedons. 
C) soil horizons. 
D) polypedons. 
E) regolith. 
A) soil profiles. 
B) pedons. 
C) soil horizons. 
D) polypedons. 
E) regolith.

What are the five primary soil forming factors? Describe each using examples.

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

The horizon identified as regolith is the _____horizon.

What is the predominant soil order in the area in which you live? Describe the activities that occur on these soils that reflect the characteristics thereof.

The maximum water available for plant use after water has drained from the large pore spaces is

Which of the following best describes soil?

This is the world's largest soil order,occurring on 19% of the Earth's land surface in the world's dry regions.

The branch of soil science that deals with the origin,classification,distribution,and description of soils is known as

Carbon dioxide concentrations in soil are _than (as)in the atmosphere because__ .

In which of the following areas would one likely find Aridisols?

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

A vertical section of soil is generally organized into distinct horizontal layers called

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

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Exam 18: The Geography of Soils

What are the five primary soil forming factors? Describe each using examples.

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

The horizon identified as regolith is the _____horizon.

What is the predominant soil order in the area in which you live? Describe the activities that occur on these soils that reflect the characteristics thereof.

The maximum water available for plant use after water has drained from the large pore spaces is

Which of the following best describes soil?

This is the world's largest soil order,occurring on 19% of the Earth's land surface in the world's dry regions.

The branch of soil science that deals with the origin,classification,distribution,and description of soils is known as

Carbon dioxide concentrations in soil are ___than (as)in the atmosphere because____ .

In which of the following areas would one likely find Aridisols?

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

A vertical section of soil is generally organized into distinct horizontal layers called

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

Carbon dioxide concentrations in soil are _than (as)in the atmosphere because__ .