Question 1

Drip irrigation would more likely be used in the production of apples or peaches than in the production of wheat.

Accepted Answer

A) True 
 B)False

Question 2

If the average transpiration (T)loss from leaf surfaces in a particular watershed is 10 mm/day,you expect the evaporation (E)from the soil surface to be _____.

Accepted Answer

A) 10 mm/ day 
B) 5 mm/ day 
C) 15 mm/day 
D) 100 mm/day 
E) Impossible to calculate from the data given 
A) 10 mm/ day 
B) 5 mm/ day 
C) 15 mm/day 
D) 100 mm/day 
E) Impossible to calculate from the data given

Question 3

There is a net movement of clouds from land areas to the ocean areas in the hydrologic cycle.

Accepted Answer

A) True 
 B)False

Question 4

Hydraulic redistribution or hydraulic lift dries out shallower soils during dry periods,allowing trees to take advantage of water deeper in the soil profiles.

Accepted Answer

A) True 
 B)False

Question 5

If you dug a deep hole in your back yard and water started to seep into the hole it would fill the hole up to ________.

Accepted Answer

A) the infiltration rate 
B) the percolation rate 
C) field capacity 
D) the water Table 
E) the liquid limit 
A) the infiltration rate 
B) the percolation rate 
C) field capacity 
D) the water Table 
E) the liquid limit

Question 6

Which of the following irrigation systems produces the most biomass per unit of water applied?

Accepted Answer

A) flood irrigation 
B) furrow irrigation 
C) drip irrigation 
D) sprinkle irrigation 
E) furrow-dike irrigation 
A) flood irrigation 
B) furrow irrigation 
C) drip irrigation 
D) sprinkle irrigation 
E) furrow-dike irrigation

Question 7

The likelihood of polluting groundwater with pesticides and plant nutrients is enhanced by _____.

Accepted Answer

A) the presence of macropores in the soil 
B) light tillage of the upper centimeter or so of soil 
C) the use of tillage to control weeds 
D) the production of oats rather than wheat 
E) conventional tillage as a choice compared with conservation tillage 
A) the presence of macropores in the soil 
B) light tillage of the upper centimeter or so of soil 
C) the use of tillage to control weeds 
D) the production of oats rather than wheat 
E) conventional tillage as a choice compared with conservation tillage

Question 8

Which of the following sources of water have the shortest average residence time?

Accepted Answer

A) Soil moisture 
B) Clouds. 
C) Oceans and ice caps 
D) groundwater 
A) Soil moisture 
B) Clouds. 
C) Oceans and ice caps 
D) groundwater

Question 9

The pollution of ground water is often increased by the presence of macropores in soils.

Accepted Answer

A) True 
 B)False

Question 10

Evaporation from the soil surface (E)is determined to a large degree by soil surface wetness.

Accepted Answer

A) True 
 B)False

Question 11

The water potential at the leaf surfaces expressed in kPa is most likely to be _____.

Accepted Answer

A) -10 
B) 33 
C) -33 
D) -500 
E) -31,000 
A) -10 
B) 33 
C) -33 
D) -500 
E) -31,000

Question 12

Which of the following locations in the United States would have the highest evaporation (E)from the soil surface in July?

Accepted Answer

A) a bare,unirrigated dry land soil in Colorado 
B) an unirrigated soil in South Carolina growing cotton 
C) a furrow-irrigated cotton field in Arizona 
D) a forest woodland in Illinois 
E) a corn field in New York 
A) a bare,unirrigated dry land soil in Colorado 
B) an unirrigated soil in South Carolina growing cotton 
C) a furrow-irrigated cotton field in Arizona 
D) a forest woodland in Illinois 
E) a corn field in New York

Question 13

More than ninety-eight percent of the earth's water does not take part in the annual cycling known as the hydrologic cycle.

Accepted Answer

A) True 
 B)False

Question 14

The expression,P - ET -SS estimates the ________ a watershed.

Accepted Answer

A) soil water content of 
B) discharge volume from 
C) evaporation from 
D) interception in 
A) soil water content of 
B) discharge volume from 
C) evaporation from 
D) interception in

Question 15

Most irrigation systems are very inefficient with less than half the water that is taken from streams ever reaching the plants.

Accepted Answer

A) True 
 B)False

Question 16

Eutrophication is enhanced by the presence of pesticides in the water draining from agricultural soils.

Accepted Answer

A) True 
 B)False

Question 17

Urban development of land under natural vegetation or agriculture usually greatly _____ soil infiltration capacity and therefore greatly increases _______.

Accepted Answer

A) decreases …… stream bank erosion. 
B) increases …… stream bank erosion. 
C) decreases …… groundwater recharge. 
D) increases …….groundwater recharge. 
A) decreases …… stream bank erosion. 
B) increases …… stream bank erosion. 
C) decreases …… groundwater recharge. 
D) increases …….groundwater recharge.

Question 18

The average residence time for water in clouds over the ocean is about one year.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is not true with respect to the hydrologic cycle?

Accepted Answer

A) More than 85% of the water evaporated from the earth's surface comes from oceans. 
B) There is a net migration of some 40,000 km3 of water in clouds from the land area to the ocean areas. 
C) The average residence time of water in clouds is about 10 days. 
D) Some 78% of the total precipitation falls onto the oceans. 
E) About one third of the readily accessible water in the hydrologic cycle is in the soil. 
A) More than 85% of the water evaporated from the earth's surface comes from oceans. 
B) There is a net migration of some 40,000 km3 of water in clouds from the land area to the ocean areas. 
C) The average residence time of water in clouds is about 10 days. 
D) Some 78% of the total precipitation falls onto the oceans. 
E) About one third of the readily accessible water in the hydrologic cycle is in the soil.

Question 20

Corn plants are generally more efficient in the use of water than is alfalfa.

Accepted Answer

A) True 
 B)False

Drip irrigation would more likely be used in the production of apples or peaches than in the production of wheat.

If the average transpiration (T)loss from leaf surfaces in a particular watershed is 10 mm/day,you expect the evaporation (E)from the soil surface to be _____.

There is a net movement of clouds from land areas to the ocean areas in the hydrologic cycle.

Hydraulic redistribution or hydraulic lift dries out shallower soils during dry periods,allowing trees to take advantage of water deeper in the soil profiles.

If you dug a deep hole in your back yard and water started to seep into the hole it would fill the hole up to ________.

Which of the following irrigation systems produces the most biomass per unit of water applied?

The likelihood of polluting groundwater with pesticides and plant nutrients is enhanced by _____.

Which of the following sources of water have the shortest average residence time?

The pollution of ground water is often increased by the presence of macropores in soils.

Evaporation from the soil surface (E)is determined to a large degree by soil surface wetness.

The water potential at the leaf surfaces expressed in kPa is most likely to be _____.

Which of the following locations in the United States would have the highest evaporation (E)from the soil surface in July?

More than ninety-eight percent of the earth's water does not take part in the annual cycling known as the hydrologic cycle.

The expression,P - ET -SS estimates the ________ a watershed.

Most irrigation systems are very inefficient with less than half the water that is taken from streams ever reaching the plants.

Eutrophication is enhanced by the presence of pesticides in the water draining from agricultural soils.

Urban development of land under natural vegetation or agriculture usually greatly _ soil infiltration capacity and therefore greatly increases ___.

The average residence time for water in clouds over the ocean is about one year.

Which of the following is not true with respect to the hydrologic cycle?

Corn plants are generally more efficient in the use of water than is alfalfa.

The Soils Around Us

Formation of Soils From Parent Materials

Soil Classification

Soil Architecture and Physical Properties

Soil Water: Characteristics and Behavior

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 6: Soil and the Hydrologic Cycle

Drip irrigation would more likely be used in the production of apples or peaches than in the production of wheat.

If the average transpiration (T)loss from leaf surfaces in a particular watershed is 10 mm/day,you expect the evaporation (E)from the soil surface to be _____.

There is a net movement of clouds from land areas to the ocean areas in the hydrologic cycle.

Hydraulic redistribution or hydraulic lift dries out shallower soils during dry periods,allowing trees to take advantage of water deeper in the soil profiles.

If you dug a deep hole in your back yard and water started to seep into the hole it would fill the hole up to ________.

Which of the following irrigation systems produces the most biomass per unit of water applied?

The likelihood of polluting groundwater with pesticides and plant nutrients is enhanced by _____.

Which of the following sources of water have the shortest average residence time?

The pollution of ground water is often increased by the presence of macropores in soils.

Evaporation from the soil surface (E)is determined to a large degree by soil surface wetness.

The water potential at the leaf surfaces expressed in kPa is most likely to be _____.

Which of the following locations in the United States would have the highest evaporation (E)from the soil surface in July?

More than ninety-eight percent of the earth's water does not take part in the annual cycling known as the hydrologic cycle.

The expression,P - ET -SS estimates the ________ a watershed.

Most irrigation systems are very inefficient with less than half the water that is taken from streams ever reaching the plants.

Eutrophication is enhanced by the presence of pesticides in the water draining from agricultural soils.

Urban development of land under natural vegetation or agriculture usually greatly _____ soil infiltration capacity and therefore greatly increases _______.

The average residence time for water in clouds over the ocean is about one year.

Which of the following is not true with respect to the hydrologic cycle?

Corn plants are generally more efficient in the use of water than is alfalfa.

The Soils Around Us

Formation of Soils From Parent Materials

Soil Classification

Soil Architecture and Physical Properties

Soil Water: Characteristics and Behavior

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

Urban development of land under natural vegetation or agriculture usually greatly _ soil infiltration capacity and therefore greatly increases ___.