Question 1

The transformation of gneiss into mica,quartz,and feldspar crystals is an example of:

Accepted Answer

A) physical weathering 
B) chemical weathering 
C) disintegration 
D) hydrolysis 
E) both A and C 
A) physical weathering 
B) chemical weathering 
C) disintegration 
D) hydrolysis 
E) both A and C E

Question 2

Igneous rocks can best be characterized as:

Accepted Answer

A) rocks formed when molten magma solidifies 
B) rocks containing both feldspars and micas 
C) rocks formed from the recrystallization of sedimentary material 
D) rocks containing a mixture of primary and secondary minerals 
E) rocks found primarily near volcanoes. 
A) rocks formed when molten magma solidifies 
B) rocks containing both feldspars and micas 
C) rocks formed from the recrystallization of sedimentary material 
D) rocks containing a mixture of primary and secondary minerals 
E) rocks found primarily near volcanoes. A

Question 3

The topmost horizon in most humid region forest soils is the A horizon.

Accepted Answer

A) True 
 B)False  False

Question 4

"Biotite-->clay-->iron oxide" repesents a ________.

Accepted Answer

A) catena 
B) weathering sequence 
C) silicate mineral sequence 
D) both A and B 
E) none of the above 
A) catena 
B) weathering sequence 
C) silicate mineral sequence 
D) both A and B 
E) none of the above

Question 5

Urban soils are generally contain no organic matter,but may have bits of broken glass and other human debris.

Accepted Answer

A) True 
 B)False

Question 6

Mechanical weathering processes result in:

Accepted Answer

A) the decomposition of primary minerals 
B) the hydrolysis of minerals through frost action 
C) the disintegration of rocks due to differential expansion of minerals 
D) the oxidation of iron and manganese compounds 
A) the decomposition of primary minerals 
B) the hydrolysis of minerals through frost action 
C) the disintegration of rocks due to differential expansion of minerals 
D) the oxidation of iron and manganese compounds

Question 7

Glacial till can be recognized by the distinct layering of different kinds of particles.

Accepted Answer

A) True 
 B)False

Question 8

Glacial till is laid down by melt waters gushing out from the front of glaciers.

Accepted Answer

A) True 
 B)False

Question 9

Organic deposits are most common in areas where water flow over the soil surface is restricted.

Accepted Answer

A) True 
 B)False

Question 10

Glacial till is a term used to describe parent materials that:

Accepted Answer

A) were transported by water gushing from glacial fronts. 
B) were laid down in the bottom of former glacial lakes. 
C) were transported by high winds during glacial periods. 
D) are sorted by rapidly flowing melt waters. 
E) contain a heterogeneous mixture of mineral debris dropped by receding glaciers. 
A) were transported by water gushing from glacial fronts. 
B) were laid down in the bottom of former glacial lakes. 
C) were transported by high winds during glacial periods. 
D) are sorted by rapidly flowing melt waters. 
E) contain a heterogeneous mixture of mineral debris dropped by receding glaciers.

Question 11

Exfoliation is caused by changes in _________.

Accepted Answer

A) hydration 
B) oxidation 
C) temperature 
D) carbon dioxide dissolution 
E) all of the above 
A) hydration 
B) oxidation 
C) temperature 
D) carbon dioxide dissolution 
E) all of the above

Question 12

The presence of rocks such as shale and sandstone indicate the existence of _______.

Accepted Answer

A) a high water table 
B) ancient seas 
C) old mountain ranges 
D) iron-rich minerals 
E) highly weathered soils 
A) a high water table 
B) ancient seas 
C) old mountain ranges 
D) iron-rich minerals 
E) highly weathered soils

Question 13

In most B horizons one of the dominant processes of soil formation has been eluviation.

Accepted Answer

A) True 
 B)False

Question 14

The C horizons are generally more completely weathered than the other horizons.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is not considered one of the five major factors influencing soil formation?

Accepted Answer

A) native parent materials 
B) living organisms 
C) climate 
D) valence state 
E) topography 
A) native parent materials 
B) living organisms 
C) climate 
D) valence state 
E) topography

Question 16

Even if all the glaciers present today in the world were to melt,the melt water would have no measurable effect on the level of the world's oceans.

Accepted Answer

A) True 
 B)False

Question 17

Alluvial fans are usually characterized by_____ soils.

Accepted Answer

A) sandy and gravelly 
B) clay textured 
C) poorly drained 
D) nearly level 
A) sandy and gravelly 
B) clay textured 
C) poorly drained 
D) nearly level

Question 18

Alluvial parent materials are those that have been laid down in former lake bottoms.

Accepted Answer

A) True 
 B)False

Question 19

Marine sediments are typical parent materials in coastal plain areas.

Accepted Answer

A) True 
 B)False

Question 20

Eluviation of clay,iron,and other materials is the principal process responsible for the formation of an E horizon.

Accepted Answer

A) True 
 B)False

The transformation of gneiss into mica,quartz,and feldspar crystals is an example of:

Igneous rocks can best be characterized as:

The topmost horizon in most humid region forest soils is the A horizon.

"Biotite-->clay-->iron oxide" repesents a ________.

Urban soils are generally contain no organic matter,but may have bits of broken glass and other human debris.

Mechanical weathering processes result in:

Glacial till can be recognized by the distinct layering of different kinds of particles.

Glacial till is laid down by melt waters gushing out from the front of glaciers.

Organic deposits are most common in areas where water flow over the soil surface is restricted.

Glacial till is a term used to describe parent materials that:

Exfoliation is caused by changes in _________.

The presence of rocks such as shale and sandstone indicate the existence of _______.

In most B horizons one of the dominant processes of soil formation has been eluviation.

The C horizons are generally more completely weathered than the other horizons.

Which of the following is not considered one of the five major factors influencing soil formation?

Even if all the glaciers present today in the world were to melt,the melt water would have no measurable effect on the level of the world's oceans.

Alluvial fans are usually characterized by_____ soils.

Alluvial parent materials are those that have been laid down in former lake bottoms.

Marine sediments are typical parent materials in coastal plain areas.

Eluviation of clay,iron,and other materials is the principal process responsible for the formation of an E horizon.

The Soils Around Us

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

Soils of Dry Regionsalkalinity,salinity and Sodicity

Organisms and Ecology of the Soil

Soil Organic Matter

Nitrogen and Sulfur Economy of Soils

Soil Phosphorus and Potassium

Calcium,magnesium and Trace Elements

Practical Nutrient Management

Soil Erosion and Its Control

Soils and Chemical Pollution

Geographic Information About Soils

Prospects for Global Soil Quality As Affected by Human Activities

Filters

Exam 2: Formation of Soils From Parent Materials

The transformation of gneiss into mica,quartz,and feldspar crystals is an example of:

Igneous rocks can best be characterized as:

The topmost horizon in most humid region forest soils is the A horizon.

"Biotite-->clay-->iron oxide" repesents a ________.

Urban soils are generally contain no organic matter,but may have bits of broken glass and other human debris.

Mechanical weathering processes result in:

Glacial till can be recognized by the distinct layering of different kinds of particles.

Glacial till is laid down by melt waters gushing out from the front of glaciers.

Organic deposits are most common in areas where water flow over the soil surface is restricted.

Glacial till is a term used to describe parent materials that:

Exfoliation is caused by changes in _________.

The presence of rocks such as shale and sandstone indicate the existence of _______.

In most B horizons one of the dominant processes of soil formation has been eluviation.

The C horizons are generally more completely weathered than the other horizons.

Which of the following is not considered one of the five major factors influencing soil formation?

Even if all the glaciers present today in the world were to melt,the melt water would have no measurable effect on the level of the world's oceans.

Alluvial fans are usually characterized by_____ soils.

Alluvial parent materials are those that have been laid down in former lake bottoms.

Marine sediments are typical parent materials in coastal plain areas.

Eluviation of clay,iron,and other materials is the principal process responsible for the formation of an E horizon.

The Soils Around Us

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

Soils of Dry Regionsalkalinity,salinity and Sodicity

Organisms and Ecology of the Soil

Soil Organic Matter

Nitrogen and Sulfur Economy of Soils

Soil Phosphorus and Potassium

Calcium,magnesium and Trace Elements

Practical Nutrient Management

Soil Erosion and Its Control

Soils and Chemical Pollution

Geographic Information About Soils

Prospects for Global Soil Quality As Affected by Human Activities

Filters