Question 1

Soils with a high concentration of hydrogen ions (H⁺)are considered alkaline.

Accepted Answer

A) True 
 B)False

Question 2

Oxidation of minerals in the B horizon produces

Accepted Answer

A) red and yellow colours. 
B) white colours. 
C) black colours. 
D) blue-gray colours. 
E) greenish colours 
A) red and yellow colours. 
B) white colours. 
C) black colours. 
D) blue-gray colours. 
E) greenish colours

Question 3

Which pedogenic regime is associated with Podzolic soils?

Accepted Answer

A) calcification 
B) podzolization 
C) salinization 
D) laterization 
E) illuviation 
A) calcification 
B) podzolization 
C) salinization 
D) laterization 
E) illuviation

Question 4

B horizons tend to

Accepted Answer

A) accumulate humus. 
B) accumulate clay,iron and aluminum. 
C) lose materials by leaching. 
D) be dominated by eluviation processes. 
E) have the least fertility. 
A) accumulate humus. 
B) accumulate clay,iron and aluminum. 
C) lose materials by leaching. 
D) be dominated by eluviation processes. 
E) have the least fertility.

Question 5

List and briefly describe the main soil properties.

Accepted Answer

Soil properties can be broadly categoriz

Question 6

A pedon is imagined as

Accepted Answer

A) a soil profile. 
B) a square column encompassing from 10 m² to 100 m² in surface area. 
C) a basic unit in farm size. 
D) a basic ingredient for soil fertility. 
E) the smallest particle size in the soil. 
A) a soil profile. 
B) a square column encompassing from 10 m² to 100 m² in surface area. 
C) a basic unit in farm size. 
D) a basic ingredient for soil fertility. 
E) the smallest particle size in the soil.

Question 7

Which of the following is true of the soil atmosphere?

Accepted Answer

A) it contains less carbon dioxide than the atmosphere. 
B) it contains more oxygen that the atmosphere. 
C) it contains far more nitrogen than the atmosphere. 
D) it contains more carbon dioxide than the atmosphere. 
E) it contains exactly the same quantities of gases as the atmosphere. 
A) it contains less carbon dioxide than the atmosphere. 
B) it contains more oxygen that the atmosphere. 
C) it contains far more nitrogen than the atmosphere. 
D) it contains more carbon dioxide than the atmosphere. 
E) it contains exactly the same quantities of gases as the atmosphere.

Question 8

Cryosolic soils often undergo cryoturbation.

Accepted Answer

A) True 
 B)False

Question 9

Broadleaf trees tend to ________ the pH of the soil,whereas conifers tend to ________ the pH.

Accepted Answer

A) increase decrease 
B) decrease increase 
C) neutralize increase 
D) increase neutralize 
E) decrease neutralize 
A) increase decrease 
B) decrease increase 
C) neutralize increase 
D) increase neutralize 
E) decrease neutralize

Question 10

Farmers are concerned with soil from the standpoint of

Accepted Answer

A) geomorphology. 
B) pedology. 
C) edaphology. 
D) plantology. 
E) glaciology 
A) geomorphology. 
B) pedology. 
C) edaphology. 
D) plantology. 
E) glaciology

Question 11

The R horizon refers to

Accepted Answer

A) unweathered sediment or consolidated bedrock. 
B) soils redeveloped through reclamation. 
C) a zone of eluviation in the soil horizon. 
D) the basic mapping unit of soils in an area. 
E) the return layer in a tilled field. 
A) unweathered sediment or consolidated bedrock. 
B) soils redeveloped through reclamation. 
C) a zone of eluviation in the soil horizon. 
D) the basic mapping unit of soils in an area. 
E) the return layer in a tilled field.

Question 12

The A horizon is usually ________ underlying layers because ________.

Accepted Answer

A) darker than it is made of dark-coloured,mafic minerals 
B) darker than it contains humus 
C) lighter than it is made of light-coloured,felsic minerals 
D) lighter than it contains little humus,but a considerable amount of mineral particles 
A) darker than it is made of dark-coloured,mafic minerals 
B) darker than it contains humus 
C) lighter than it is made of light-coloured,felsic minerals 
D) lighter than it contains little humus,but a considerable amount of mineral particles

Question 13

Which of the following is true of soils?

Accepted Answer

A) They usually require hours or days to form. 
B) Their development is affected by climate and organisms. 
C) Their properties are not affected by the type of rock from which they form. 
D) Older soils usually have fewer horizons than younger soils. 
E) Soils rich in mineral matter are usually dark in colour. 
A) They usually require hours or days to form. 
B) Their development is affected by climate and organisms. 
C) Their properties are not affected by the type of rock from which they form. 
D) Older soils usually have fewer horizons than younger soils. 
E) Soils rich in mineral matter are usually dark in colour.

Question 14

The B horizon is a zone of illuviation.

Accepted Answer

A) True 
 B)False

Soils with a high concentration of hydrogen ions (H⁺)are considered alkaline.

Oxidation of minerals in the B horizon produces

Which pedogenic regime is associated with Podzolic soils?

B horizons tend to

List and briefly describe the main soil properties.

A pedon is imagined as

Which of the following is true of the soil atmosphere?

Cryosolic soils often undergo cryoturbation.

Broadleaf trees tend to the pH of the soil,whereas conifers tend to the pH.

Farmers are concerned with soil from the standpoint of

The R horizon refers to

The A horizon is usually underlying layers because .

Which of the following is true of soils?

The B horizon is a zone of illuviation.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth's Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Climate Systems and Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

Eolian Processes and Arid Landscapes

The Oceans, Coastal Processes, and Landforms

Glacial and Periglacial Processes and Landforms

Ecosystem Essentials

Terrestrial Biomes

Earth and the Human Denominator

Filters

Exam 18: The Geography of Soils

Soils with a high concentration of hydrogen ions (H⁺)are considered alkaline.

Oxidation of minerals in the B horizon produces

Which pedogenic regime is associated with Podzolic soils?

B horizons tend to

List and briefly describe the main soil properties.

A pedon is imagined as

Which of the following is true of the soil atmosphere?

Cryosolic soils often undergo cryoturbation.

Broadleaf trees tend to ________ the pH of the soil,whereas conifers tend to ________ the pH.

Farmers are concerned with soil from the standpoint of

The R horizon refers to

The A horizon is usually ________ underlying layers because ________.

Which of the following is true of soils?

The B horizon is a zone of illuviation.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth's Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Climate Systems and Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

Eolian Processes and Arid Landscapes

The Oceans, Coastal Processes, and Landforms

Glacial and Periglacial Processes and Landforms

Ecosystem Essentials

Terrestrial Biomes

Earth and the Human Denominator

Filters

Broadleaf trees tend to the pH of the soil,whereas conifers tend to the pH.

The A horizon is usually underlying layers because .