Question 1

Although subsoil is more difficult to obtain, it is generally equally as good as topsoil for landscaping purposes.

Accepted Answer

A) True 
 B)False  False

Question 2

In a load of 10 cubic meters of topsoil, approximately how cubic meters of the volume would be solid material?

Accepted Answer

A)  1 
B)  2.5 
C)  4 
D)  5 
E)  7.5 
A)  1 
B)  2.5 
C)  4 
D)  5 
E)  7.5 D

Question 3

Which of the following is considered to be a plant macronutrient?

Accepted Answer

A)  N 
B)  P 
C)  S 
D)  Ca 
E)  all of the above 
A)  N 
B)  P 
C)  S 
D)  Ca 
E)  all of the above E

Question 4

A soil profile consists of _________.

Accepted Answer

A)  the sum of chemical and physical data known about a soil 
B)  the way a soil "feels" 
C)  the spatial boundaries of a particular soil 
D)  the set of layers seen in a vertical cross Section of a soil 
E)  the general outline of a soil or group of soils when viewed from the side 
A)  the sum of chemical and physical data known about a soil 
B)  the way a soil "feels" 
C)  the spatial boundaries of a particular soil 
D)  the set of layers seen in a vertical cross Section of a soil 
E)  the general outline of a soil or group of soils when viewed from the side

Question 5

Plants can be grown without any soil.

Accepted Answer

A) True 
 B)False

Question 6

A, B, C, and E horizons can be found in any true soil.

Accepted Answer

A) True 
 B)False

Question 7

Information about conditions at 2 to 4 meters deep in a soil is usually most helpful for understanding___.

Accepted Answer

A)  how best to design a building foundation 
B)  the diversity of animal life in the soil. 
C)  the proper classification of the soil. 
D)  fertility requirements of most crops 
A)  how best to design a building foundation 
B)  the diversity of animal life in the soil. 
C)  the proper classification of the soil. 
D)  fertility requirements of most crops

Question 8

For any soil in which it is present, the C horizon is the parent material for the B horizon.

Accepted Answer

A) True 
 B)False

Question 9

Most of the water flowing in rivers passed through a soil profile or over soil surfaces before reaching the river.

Accepted Answer

A) True 
 B)False

Question 10

Hydroxyl ion concentrations are greatest in a soil solution with a pH value of ______.

Accepted Answer

A)  0.1 
B)  4.0 
C)  5.0 
D)  6.5 
A)  0.1 
B)  4.0 
C)  5.0 
D)  6.5

Question 11

Most, if not all, of the nutrient supply stored in a fertile soil is in forms readily available to plants.

Accepted Answer

A) True 
 B)False

Question 12

Soil air usually has a higher carbon dioxide content than the air in the atmosphere.

Accepted Answer

A) True 
 B)False

Question 13

"Subsoil" is generally equivalent to which soil horizon?

Accepted Answer

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

Question 14

The dark brown and black humus found in many soils does not mix well with clay minerals so there is very little contact between these two soil components.

Accepted Answer

A) True 
 B)False

Question 15

Natural soils (as opposed to modern farm soils) can recycle organic compounds, but not inorganic elements.

Accepted Answer

A) True 
 B)False

Question 16

The water in the soil typically differs from pure water because the soil water ________. 5

Accepted Answer

A)  contains organic compounds 
B)  contains mineral nutrients 
C)  is restrained in its flow by attraction to particle surfaces 
D)  all of the above 
E)  none of the above 
A)  contains organic compounds 
B)  contains mineral nutrients 
C)  is restrained in its flow by attraction to particle surfaces 
D)  all of the above 
E)  none of the above

Question 17

Soil horizons, like alluvial sediments, generally have a horizontal orientation, regardless of the slope of the land.

Accepted Answer

A) True 
 B)False

Question 18

The layers of contrasting material found when one digs a hole in the ground are called _______.

Accepted Answer

A)  pseudoliths 
B)  regoliths 
C)  pedons 
D)  horizons 
E)  soil structure 
A)  pseudoliths 
B)  regoliths 
C)  pedons 
D)  horizons 
E)  soil structure

Question 19

Except for some kinds of foods, modern industry has made human dependence on soils a thing of the past.

Accepted Answer

A) True 
 B)False

Question 20

If supplied with a suitable nutrient solution, plants can grow normally without any soil at all.

Accepted Answer

A) True 
 B)False

Although subsoil is more difficult to obtain, it is generally equally as good as topsoil for landscaping purposes.

In a load of 10 cubic meters of topsoil, approximately how cubic meters of the volume would be solid material?

Which of the following is considered to be a plant macronutrient?

A soil profile consists of _________.

Plants can be grown without any soil.

A, B, C, and E horizons can be found in any true soil.

Information about conditions at 2 to 4 meters deep in a soil is usually most helpful for understanding___.

For any soil in which it is present, the C horizon is the parent material for the B horizon.

Most of the water flowing in rivers passed through a soil profile or over soil surfaces before reaching the river.

Hydroxyl ion concentrations are greatest in a soil solution with a pH value of ______.

Most, if not all, of the nutrient supply stored in a fertile soil is in forms readily available to plants.

Soil air usually has a higher carbon dioxide content than the air in the atmosphere.

"Subsoil" is generally equivalent to which soil horizon?

The dark brown and black humus found in many soils does not mix well with clay minerals so there is very little contact between these two soil components.

Natural soils (as opposed to modern farm soils) can recycle organic compounds, but not inorganic elements.

The water in the soil typically differs from pure water because the soil water ________. 5

Soil horizons, like alluvial sediments, generally have a horizontal orientation, regardless of the slope of the land.

The layers of contrasting material found when one digs a hole in the ground are called _______.

Except for some kinds of foods, modern industry has made human dependence on soils a thing of the past.

If supplied with a suitable nutrient solution, plants can grow normally without any soil at all.

Formation of Soils From Parent Materials

Soil Classification

Soil Architecture and Physical Properties

Soil Water: Characteristics and Behavior

Soil and the Hydrologic Cycle

Soil Aeration and Temperature

The Colloidal Fraction: Seat of Soil Chemical and Physical Activity

Soil Acidity, Alkalinity, Aridity and Salinity

Organisms and Ecology of the Soil

Soil Organic Matter Overview

Nutrient Cycles and Soil Fertility

Practical Nutrient Management

Soil Erosion and Its Control

Soils and Chemical Pollution

Filters

Exam 1: The Soils Around Us

Although subsoil is more difficult to obtain, it is generally equally as good as topsoil for landscaping purposes.

In a load of 10 cubic meters of topsoil, approximately how cubic meters of the volume would be solid material?

Which of the following is considered to be a plant macronutrient?

A soil profile consists of _________.

Plants can be grown without any soil.

A, B, C, and E horizons can be found in any true soil.

Information about conditions at 2 to 4 meters deep in a soil is usually most helpful for understanding___.

For any soil in which it is present, the C horizon is the parent material for the B horizon.

Most of the water flowing in rivers passed through a soil profile or over soil surfaces before reaching the river.

Hydroxyl ion concentrations are greatest in a soil solution with a pH value of ______.

Most, if not all, of the nutrient supply stored in a fertile soil is in forms readily available to plants.

Soil air usually has a higher carbon dioxide content than the air in the atmosphere.

"Subsoil" is generally equivalent to which soil horizon?

The dark brown and black humus found in many soils does not mix well with clay minerals so there is very little contact between these two soil components.

Natural soils (as opposed to modern farm soils) can recycle organic compounds, but not inorganic elements.

The water in the soil typically differs from pure water because the soil water ________. 5

Soil horizons, like alluvial sediments, generally have a horizontal orientation, regardless of the slope of the land.

The layers of contrasting material found when one digs a hole in the ground are called _______.

Except for some kinds of foods, modern industry has made human dependence on soils a thing of the past.

If supplied with a suitable nutrient solution, plants can grow normally without any soil at all.

Formation of Soils From Parent Materials

Soil Classification

Soil Architecture and Physical Properties

Soil Water: Characteristics and Behavior

Soil and the Hydrologic Cycle

Soil Aeration and Temperature

The Colloidal Fraction: Seat of Soil Chemical and Physical Activity

Soil Acidity, Alkalinity, Aridity and Salinity

Organisms and Ecology of the Soil

Soil Organic Matter Overview

Nutrient Cycles and Soil Fertility

Practical Nutrient Management

Soil Erosion and Its Control

Soils and Chemical Pollution

Filters