Question 1

Agricultural cropland is shrinking worldwide.

Accepted Answer

A) True 
 B)False  True

Question 2

Which of the following does NOT describe the status of the world's wild fisheries?

Accepted Answer

A) Overharvesting threatens the fisheries. 
B) Subsidies are necessary to make the fisheries profitable. 
C) Fish farming has allowed some wild fish to recover worldwide. 
D) Habitat destruction threatens the fisheries. 
E) All of these describe the status of wild fisheries. 
A) Overharvesting threatens the fisheries. 
B) Subsidies are necessary to make the fisheries profitable. 
C) Fish farming has allowed some wild fish to recover worldwide. 
D) Habitat destruction threatens the fisheries. 
E) All of these describe the status of wild fisheries. C

Question 3

People who subsist on starchy foods, such as cassava, potatoes, and white rice

Accepted Answer

A) Often receive insufficient protein. 
B) Are usually severely overweight. 
C) Have the healthiest possible diet. 
D) Are sure to meet all their nutritional needs. 
E) Are usually suffering from goiter. 
A) Often receive insufficient protein. 
B) Are usually severely overweight. 
C) Have the healthiest possible diet. 
D) Are sure to meet all their nutritional needs. 
E) Are usually suffering from goiter. A

Question 4

Most of the livestock grown in North America are

Accepted Answer

A) Confined in CAFOs. 
B) Held in pasture year-round. 
C) Kept in pastures during the day and barns at night. 
D) Kept in pastures during the summer and barns during the winter. 
E) Exported to Europe after slaughter. 
A) Confined in CAFOs. 
B) Held in pasture year-round. 
C) Kept in pastures during the day and barns at night. 
D) Kept in pastures during the summer and barns during the winter. 
E) Exported to Europe after slaughter.

Question 5

If fishing demands continue at the current rate, by which year will the world's major fisheries collapse?

Accepted Answer

A) 2075 
B) 2125 
C) 2050 
D) 2100 
A) 2075 
B) 2125 
C) 2050 
D) 2100

Question 6

Undernourished parents often raise children who are undernourished because the parents

Accepted Answer

A) Transfer genetic deficiencies to their children. 
B) Do not know any better. 
C) Cannot afford to feed their children properly. 
D) Do not have access to the information about nutrition. 
E) All of these are reasons for the vicious cycle. 
A) Transfer genetic deficiencies to their children. 
B) Do not know any better. 
C) Cannot afford to feed their children properly. 
D) Do not have access to the information about nutrition. 
E) All of these are reasons for the vicious cycle.

Question 7

Fifty years ago, there were several hundred varieties of wheat grown in the Middle East.Now a few of the more modern high responder varieties have replaced the indigenous species.What are the implications of this change?

Accepted Answer

A) The productivity of wheat should continue to rise and increase the availability of food per person. 
B) Genetic resources are diminished and an epidemic of wheat disease is more likely due to the reliance on few species. 
C) The high responder varieties will need specialized harvesting methods because they are so productive. 
D) The biodiversity of wheat species has increased because of the introduction of few hybrid species. 
E) All of these are correct. 
A) The productivity of wheat should continue to rise and increase the availability of food per person. 
B) Genetic resources are diminished and an epidemic of wheat disease is more likely due to the reliance on few species. 
C) The high responder varieties will need specialized harvesting methods because they are so productive. 
D) The biodiversity of wheat species has increased because of the introduction of few hybrid species. 
E) All of these are correct.

Question 8

____ percent of adult Americans are overweight.

Accepted Answer

A) 23 
B) 40 
C) 80 
D) 64 
E) 90 
A) 23 
B) 40 
C) 80 
D) 64 
E) 90

Question 9

Food security has to do with

Accepted Answer

A) A country's dependence on cash crop exports. 
B) Preventing wars over diminishing food supplies. 
C) The ability of a population to obtain food on a day-to-day basis. 
D) The total volume of food a country imports. 
E) The total volume of aid a country receives. 
A) A country's dependence on cash crop exports. 
B) Preventing wars over diminishing food supplies. 
C) The ability of a population to obtain food on a day-to-day basis. 
D) The total volume of food a country imports. 
E) The total volume of aid a country receives.

Question 10

Food aid policies of rich nations can exacerbate famine and hunger problems in poor nations because

Accepted Answer

A) it robs the government of the poor country of valuable tax revenue. 
B) the local farmers of the poor nation are forced out of business by the free or cheap food and the economy cannot stabilize properly. 
C) it creates more fighting over food. 
D) it causes no problems. 
A) it robs the government of the poor country of valuable tax revenue. 
B) the local farmers of the poor nation are forced out of business by the free or cheap food and the economy cannot stabilize properly. 
C) it creates more fighting over food. 
D) it causes no problems.

Question 11

Famines are most often serious when there is

Accepted Answer

A) A very serious drought. 
B) No room to expand agriculture. 
C) Steady population growth. 
D) Armed conflict and political oppression. 
E) An attempt by indigenous people to return to old traditions and lands. 
A) A very serious drought. 
B) No room to expand agriculture. 
C) Steady population growth. 
D) Armed conflict and political oppression. 
E) An attempt by indigenous people to return to old traditions and lands.

Question 12

One of the ecological benefits associated with aquaculture is the organic material generated from the aquaculture tanks.The nutrients increase the health and productivity of the surrounding natural ecosystem.

Accepted Answer

A) True 
 B)False

Question 13

Vitamin A deficiencies are associated with

Accepted Answer

A) Anemia 
B) Weak bones 
C) A lack of energy, or listlessness 
D) Poorly developed neural systems in embryos 
E) Blindness 
A) Anemia 
B) Weak bones 
C) A lack of energy, or listlessness 
D) Poorly developed neural systems in embryos 
E) Blindness

Question 14

Agricultural (farm) subsidies are especially effective in helping preserve small "family farms."

Accepted Answer

A) True 
 B)False

Question 15

The Harvard food pyramid recommends 6-11 servings of bread, rice, cereal, and pasta.

Accepted Answer

A) True 
 B)False

Question 16

Globally, how much of the produced cereals (grains) are fed to livestock?

Accepted Answer

A) 1/3 
B) 1/2 
C) 1/10 
D) 1/4 
A) 1/3 
B) 1/2 
C) 1/10 
D) 1/4

Question 17

Which of the following can drive up food costs?

Accepted Answer

A) Futures markets 
B) Non-food end use of commodity crops, such as ethanol production from maize 
C) Exporting food for higher profits 
D) Floods, droughts, and storms 
E) All of these can cause increases in the price of food. 
A) Futures markets 
B) Non-food end use of commodity crops, such as ethanol production from maize 
C) Exporting food for higher profits 
D) Floods, droughts, and storms 
E) All of these can cause increases in the price of food.

Question 18

Most humans rely on just a few of the world's animal and plant species for food because only a few

Accepted Answer

A) Are edible. 
B) Are available. 
C) Have been discovered. 
D) Food types are what we are accustomed to eating. 
E) All of these are true. 
A) Are edible. 
B) Are available. 
C) Have been discovered. 
D) Food types are what we are accustomed to eating. 
E) All of these are true.

Question 19

Buying shade grown coffee and cocoa has a minimal effect on local ecosystems where they are grown.

Accepted Answer

A) True 
 B)False

Question 20

High responder crops of the green revolution produce tremendous yields

Accepted Answer

A) Even in severe drought conditions. 
B) With primitive farming techniques and no chemical use. 
C) In response to fertilizers, pesticides and irrigation. 
D) In all conditions where standard crops fail. 
E) Even in severe drought conditions and with primitive farming techniques and no chemical use. 
A) Even in severe drought conditions. 
B) With primitive farming techniques and no chemical use. 
C) In response to fertilizers, pesticides and irrigation. 
D) In all conditions where standard crops fail. 
E) Even in severe drought conditions and with primitive farming techniques and no chemical use.

Exam 9: Food and Hunger

Agricultural cropland is shrinking worldwide.

Which of the following does NOT describe the status of the world's wild fisheries?

People who subsist on starchy foods, such as cassava, potatoes, and white rice

Most of the livestock grown in North America are

If fishing demands continue at the current rate, by which year will the world's major fisheries collapse?

Undernourished parents often raise children who are undernourished because the parents

Fifty years ago, there were several hundred varieties of wheat grown in the Middle East.Now a few of the more modern high responder varieties have replaced the indigenous species.What are the implications of this change?

____ percent of adult Americans are overweight.

Food security has to do with

Food aid policies of rich nations can exacerbate famine and hunger problems in poor nations because

Famines are most often serious when there is

One of the ecological benefits associated with aquaculture is the organic material generated from the aquaculture tanks.The nutrients increase the health and productivity of the surrounding natural ecosystem.

Vitamin A deficiencies are associated with

Agricultural (farm) subsidies are especially effective in helping preserve small "family farms."

The Harvard food pyramid recommends 6-11 servings of bread, rice, cereal, and pasta.

Globally, how much of the produced cereals (grains) are fed to livestock?

Which of the following can drive up food costs?

Most humans rely on just a few of the world's animal and plant species for food because only a few

Buying shade grown coffee and cocoa has a minimal effect on local ecosystems where they are grown.

High responder crops of the green revolution produce tremendous yields

Understanding Our Environment

Principles of Science and Systems

Matter, Energy, and Life

Evolution, Biological Communities, and Species Interactions

Biomes

Population Biology

Human Populations

Environmental Health and Toxicology

Farming: Conventional and Sustainable Practices

Biodiversity

Biodiversity: Preserving Landscapes

Restoration Ecology

Geology and Earth Resources

Climate Change

Air Pollution

Water Use and Management

Water Pollution

Conventional Energy

Sustainable Energy

Solid, Toxic, and Hazardous Waste

Urbanization and Sustainable Cities

Ecological Economics

Environmental Policy, Law, and Planning

What Then Shall We Do

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