Question 1

List five of eight goals of organic agriculture.

Accepted Answer

Organic agriculture is designed to 
(1)

Question 2

The development of higher-yielding or otherwise "improved" crops through cross-breeding of different varieties or strains is called ________.

Accepted Answer

A)  genetic modification 
B)  hybridization 
C)  commercialization 
D)  None of the above 
A)  genetic modification 
B)  hybridization 
C)  commercialization 
D)  None of the above

Question 3

Intensive livestock operations can lead to ________.

Accepted Answer

A)  nutrient loading in streams, rivers, and other water bodies, spurring the growth of algae 
B)  odour and air pollution in the form of methane, hydrogen sulphide, carbon dioxide, and ammonia 
C)  contamination of drinking water from manure pathogens 
D)  All of the above 
A)  nutrient loading in streams, rivers, and other water bodies, spurring the growth of algae 
B)  odour and air pollution in the form of methane, hydrogen sulphide, carbon dioxide, and ammonia 
C)  contamination of drinking water from manure pathogens 
D)  All of the above

Question 4

Compared to conventional farming practices, organic farming systems are ________.

Accepted Answer

A)  more energy efficient per unit crop 
B)  similar in energy efficiency per unit crop 
C)  open nutrient cycles 
D)  less energy efficient per unit crop 
A)  more energy efficient per unit crop 
B)  similar in energy efficiency per unit crop 
C)  open nutrient cycles 
D)  less energy efficient per unit crop

Question 5

Resistance in a population of insects develops because ________.

Accepted Answer

A)  climate change has caused new insects to move into the area, making current biocides useless 
B)  chemical reactions between some biocides and fertilizers reduces the effectiveness of the biocide 
C)  population numbers of disease-bearing insects, such as mosquitoes, have been reduced, allowing other insect species to flourish 
D)  a small number of individuals of a population survive the application of biocides and reproduce, leading to increased number of naturally resistant insects 
A)  climate change has caused new insects to move into the area, making current biocides useless 
B)  chemical reactions between some biocides and fertilizers reduces the effectiveness of the biocide 
C)  population numbers of disease-bearing insects, such as mosquitoes, have been reduced, allowing other insect species to flourish 
D)  a small number of individuals of a population survive the application of biocides and reproduce, leading to increased number of naturally resistant insects

Question 6

Summer fallow is used to reduce moisture loss due to evapotranspiration.

Accepted Answer

A) True 
 B)False

Question 7

What areas of uncertainty remain regarding the potential impacts of genetically modified organisms?

Accepted Answer

There are three main concerns regarding

Question 8

Globally, Canada has some of the highest rates of fertilizer usage per hectare.

Accepted Answer

A) True 
 B)False

Question 9

Agricultural subsidies paid by industrialized nations ________.

Accepted Answer

A)  discriminate against producers in less-developed countries 
B)  go to the largest farmers in the wealthiest countries 
C)  inhibit change in agricultural practices 
D)  All of the above 
A)  discriminate against producers in less-developed countries 
B)  go to the largest farmers in the wealthiest countries 
C)  inhibit change in agricultural practices 
D)  All of the above

Question 10

Integrated pest management is ________.

Accepted Answer

A)  used to reduce the losses caused by diseases 
B)  used to minimize the negative impacts of pest control 
C)  a process that uses different types of pests to manage crops 
D)  Both a and b 
E)  Both a and c 
A)  used to reduce the losses caused by diseases 
B)  used to minimize the negative impacts of pest control 
C)  a process that uses different types of pests to manage crops 
D)  Both a and b 
E)  Both a and c

Question 11

Species with ________ are most susceptible to bioaccumulation.

Accepted Answer

A)  high fecundity 
B)  long lifespans 
C)  low fecundity 
D)  short lifespans 
A)  high fecundity 
B)  long lifespans 
C)  low fecundity 
D)  short lifespans

Question 12

The Green Revolution is ________.

Accepted Answer

A)  the global intensification of agricultural production 
B)  the distribution of poverty worldwide 
C)  the rapid expansion of forest lands worldwide 
D)  a global environmental movement 
A)  the global intensification of agricultural production 
B)  the distribution of poverty worldwide 
C)  the rapid expansion of forest lands worldwide 
D)  a global environmental movement

Question 13

Approximately ________ of the land area of the world is in use for agricultural purposes.

Accepted Answer

A)  one-third 
B)  90 per cent 
C)  50 per cent 
D)  one-tenth 
A)  one-third 
B)  90 per cent 
C)  50 per cent 
D)  one-tenth

Question 14

The Green Revolution has not significantly impacted the number of people suffering from chronic food shortages.

Accepted Answer

A) True 
 B)False

Question 15

What is the grasshopper effect?

Accepted Answer

The grasshopper effect is the process by

Question 16

Biofuel production does not require the use of fossil fuels.

Accepted Answer

A) True 
 B)False

Question 17

Soil acidification is accelerated by ________.

Accepted Answer

A)  the application of fertilizers 
B)  the application of lime 
C)  the use of biocides 
D)  the use of heavy machinery on wet soils 
A)  the application of fertilizers 
B)  the application of lime 
C)  the use of biocides 
D)  the use of heavy machinery on wet soils

Question 18

What are biofuels? What are the benefits and drawbacks of biofuels?

Accepted Answer

Unintentional spread. Pollen and seeds f

Question 19

Biocides have helped to control the spread of malaria.

Accepted Answer

A) True 
 B)False

Question 20

The concern associated with urbanization and agriculture in Canada is that ________.

Accepted Answer

A)  the amount of arable land free from severe constraints on crop production is small, totalling less than 5 per cent 
B)  urbanization of agricultural land often affects specialty crops that have limited ability to flourish in Canada 
C)  juxtaposition of prime agricultural land and the main urban centres has meant that suburban expansion leads to losses in agricultural land 
D)  All of the above 
A)  the amount of arable land free from severe constraints on crop production is small, totalling less than 5 per cent 
B)  urbanization of agricultural land often affects specialty crops that have limited ability to flourish in Canada 
C)  juxtaposition of prime agricultural land and the main urban centres has meant that suburban expansion leads to losses in agricultural land 
D)  All of the above

List five of eight goals of organic agriculture.

The development of higher-yielding or otherwise "improved" crops through cross-breeding of different varieties or strains is called ________.

Intensive livestock operations can lead to ________.

Compared to conventional farming practices, organic farming systems are ________.

Resistance in a population of insects develops because ________.

Summer fallow is used to reduce moisture loss due to evapotranspiration.

What areas of uncertainty remain regarding the potential impacts of genetically modified organisms?

Globally, Canada has some of the highest rates of fertilizer usage per hectare.

Agricultural subsidies paid by industrialized nations ________.

Integrated pest management is ________.

Species with ________ are most susceptible to bioaccumulation.

The Green Revolution is ________.

Approximately ________ of the land area of the world is in use for agricultural purposes.

The Green Revolution has not significantly impacted the number of people suffering from chronic food shortages.

What is the grasshopper effect?

Biofuel production does not require the use of fossil fuels.

Soil acidification is accelerated by ________.

What are biofuels? What are the benefits and drawbacks of biofuels?

Biocides have helped to control the spread of malaria.

The concern associated with urbanization and agriculture in Canada is that ________.

Environment, Resources, and Society

Responding to Global Environmental Change

Energy Flows and Ecosystems

Ecosystems Are Dynamic

Ecosystems and Matter Cycling

Planning and Management Perspectives

Planning and Management: Processes and Methods

Climate Change

Oceans and Fisheries

Forests

Water

Minerals and Energy

Urban Environmental Management

Endangered Species and Protected Areas

Filters

Exam 11: Agriculture

List five of eight goals of organic agriculture.

The development of higher-yielding or otherwise "improved" crops through cross-breeding of different varieties or strains is called ________.

Intensive livestock operations can lead to ________.

Compared to conventional farming practices, organic farming systems are ________.

Resistance in a population of insects develops because ________.

Summer fallow is used to reduce moisture loss due to evapotranspiration.

What areas of uncertainty remain regarding the potential impacts of genetically modified organisms?

Globally, Canada has some of the highest rates of fertilizer usage per hectare.

Agricultural subsidies paid by industrialized nations ________.

Integrated pest management is ________.

Species with ________ are most susceptible to bioaccumulation.

The Green Revolution is ________.

Approximately ________ of the land area of the world is in use for agricultural purposes.

The Green Revolution has not significantly impacted the number of people suffering from chronic food shortages.

What is the grasshopper effect?

Biofuel production does not require the use of fossil fuels.

Soil acidification is accelerated by ________.

What are biofuels? What are the benefits and drawbacks of biofuels?

Biocides have helped to control the spread of malaria.

The concern associated with urbanization and agriculture in Canada is that ________.

Environment, Resources, and Society

Responding to Global Environmental Change

Energy Flows and Ecosystems

Ecosystems Are Dynamic

Ecosystems and Matter Cycling

Planning and Management Perspectives

Planning and Management: Processes and Methods

Climate Change

Oceans and Fisheries

Forests

Water

Minerals and Energy

Urban Environmental Management

Endangered Species and Protected Areas

Filters