Question 1

More than 70% of all soybeans, corn, and cotton grown in the United States are genetically modified.

Accepted Answer

A) True 
 B)False  True

Question 2

The layer of soil that is a mixture of minerals and organic material is the

Accepted Answer

A)  O horizon 
B)  A horizon 
C)  humus 
D)  E horizon 
E)  primary layer 
A)  O horizon 
B)  A horizon 
C)  humus 
D)  E horizon 
E)  primary layer B

Question 3

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)  dry eyes and retinal degeneration. 
A)  anemia. 
B)  weak bones. 
C)  a lack of energy, or listlessness. 
D)  poorly developed neural systems in embryos. 
E)  dry eyes and retinal degeneration. E

Question 4

Goiter is a common disease resulting from a shortage of dietary

Accepted Answer

A)  protein. 
B)  iodine. 
C)  iron. 
D)  Vitamin A. 
E)  folic acid. 
A)  protein. 
B)  iodine. 
C)  iron. 
D)  Vitamin A. 
E)  folic acid.

Question 5

Genetically modified organisms (GMOs) are made by taking bits of DNA from different sources to create desired characteristics in an organism.

Accepted Answer

A) True 
 B)False

Question 6

The three crops that humans rely on for the majority of nutrients and calories are

Accepted Answer

A)  potatoes, wheat, and oats. 
B)  wheat, rice, and maize. 
C)  barley, oats, and rye. 
D)  maize, oats, and rice. 
E)  oats, beans, and barley. 
A)  potatoes, wheat, and oats. 
B)  wheat, rice, and maize. 
C)  barley, oats, and rye. 
D)  maize, oats, and rice. 
E)  oats, beans, and barley.

Question 7

Sustainable farming

Accepted Answer

A)  is cheaper and safer than conventional farming. 
B)  is safe, although it causes weed problems. 
C)  uses fewer chemicals but more water than conventional methods. 
D)  is an invention of modern agricultural research. 
E)  is safer than conventional farming, but much more expensive. 
A)  is cheaper and safer than conventional farming. 
B)  is safe, although it causes weed problems. 
C)  uses fewer chemicals but more water than conventional methods. 
D)  is an invention of modern agricultural research. 
E)  is safer than conventional farming, but much more expensive.

Question 8

The number of genetically modified organisms (GMOs) and the acreage devoted to growing them has decreased in the past fifteen years because of the huge number of opponents.

Accepted Answer

A) True 
 B)False

Question 9

What is the basis of the statement that we could feed more people if we would eat grain rather than feeding it to livestock?

Accepted Answer

A)  the First Law of Thermodynamics 
B)  the Second Law of Thermodynamics 
C)  ecofeminism 
D)  biocentrism 
E)  anthropocentrism 
A)  the First Law of Thermodynamics 
B)  the Second Law of Thermodynamics 
C)  ecofeminism 
D)  biocentrism 
E)  anthropocentrism

Question 10

What are two common diseases that result from protein deficiencies?

Accepted Answer

A)  dysentery and diarrhea 
B)  dysentery and scurvy 
C)  scurvy and pellagra 
D)  goiter and cretinism 
E)  marasmus and kwashiorkor 
A)  dysentery and diarrhea 
B)  dysentery and scurvy 
C)  scurvy and pellagra 
D)  goiter and cretinism 
E)  marasmus and kwashiorkor

Question 11

You can participate in sustainable agriculture by

Accepted Answer

A)  buying local produce. 
B)  eating lower on the food chain. 
C)  participating in CSAs. 
D)  doing all of the things listed above. 
A)  buying local produce. 
B)  eating lower on the food chain. 
C)  participating in CSAs. 
D)  doing all of the things listed above.

Question 12

The energy needed to process and distribute food in the US is as much as _______ times the amount that is used to actually farm the crops.

Accepted Answer

A)  0.5 
B)  2 
C)  3.5 
D)  5 
E)  8 
A)  0.5 
B)  2 
C)  3.5 
D)  5 
E)  8

Question 13

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 highly 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 highly 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 14

In developed countries, the most recent increases in agricultural productivity have come from

Accepted Answer

A)  irrigation in arid areas. 
B)  building up soil reserves on farms worldwide. 
C)  clearing rainforests. 
D)  an increase on the land being used for agriculture, especially in developed countries. 
E)  new crop varieties and intensified farming. 
A)  irrigation in arid areas. 
B)  building up soil reserves on farms worldwide. 
C)  clearing rainforests. 
D)  an increase on the land being used for agriculture, especially in developed countries. 
E)  new crop varieties and intensified farming.

Question 15

Which of the following are forms of chemical deterioration of soil?

Accepted Answer

A)  salinization and acidification 
B)  waterlogging and laterization 
C)  compaction and nutrient depletion 
D)  pollution and waterlogging 
E)  water and wind erosion 
A)  salinization and acidification 
B)  waterlogging and laterization 
C)  compaction and nutrient depletion 
D)  pollution and waterlogging 
E)  water and wind erosion

Question 16

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)  drought and war together. 
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)  drought and war together. 
E)  an attempt by indigenous people to return to old traditions and lands.

Question 17

The parent material layer of a soil is composed of weathered

Accepted Answer

A)  humus. 
B)  organic detritus and roots. 
C)  residual aluminum and iron. 
D)  soil. 
E)  rock fragments. 
A)  humus. 
B)  organic detritus and roots. 
C)  residual aluminum and iron. 
D)  soil. 
E)  rock fragments.

Question 18

Which is a disadvantage of conservation tillage methods?

Accepted Answer

A)  increased irrigation requirements 
B)  less efficient use of fertilizer 
C)  increased pests and weeds 
D)  decreased crop yields 
E)  none of these are correct. 
A)  increased irrigation requirements 
B)  less efficient use of fertilizer 
C)  increased pests and weeds 
D)  decreased crop yields 
E)  none of these are correct.

Question 19

Contour plowing and strip farming are methods designed to

Accepted Answer

A)  prevent weed spreading. 
B)  improve plowing efficiency. 
C)  improve harvesting efficiency. 
D)  prevent water and soil loss. 
E)  make farms more attractive. 
A)  prevent weed spreading. 
B)  improve plowing efficiency. 
C)  improve harvesting efficiency. 
D)  prevent water and soil loss. 
E)  make farms more attractive.

Question 20

Which of these is not a benefit found with reduced tillage farming?

Accepted Answer

A)  water conservation 
B)  soil preservation 
C)  increased crop yields 
D)  soil aeration and loosening 
E)  decreased insects and weeds 
A)  water conservation 
B)  soil preservation 
C)  increased crop yields 
D)  soil aeration and loosening 
E)  decreased insects and weeds

More than 70% of all soybeans, corn, and cotton grown in the United States are genetically modified.

The layer of soil that is a mixture of minerals and organic material is the

Vitamin A deficiencies are associated with

Goiter is a common disease resulting from a shortage of dietary

Genetically modified organisms (GMOs) are made by taking bits of DNA from different sources to create desired characteristics in an organism.

The three crops that humans rely on for the majority of nutrients and calories are

Sustainable farming

The number of genetically modified organisms (GMOs) and the acreage devoted to growing them has decreased in the past fifteen years because of the huge number of opponents.

What is the basis of the statement that we could feed more people if we would eat grain rather than feeding it to livestock?

What are two common diseases that result from protein deficiencies?

You can participate in sustainable agriculture by

The energy needed to process and distribute food in the US is as much as _______ times the amount that is used to actually farm the crops.

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?

In developed countries, the most recent increases in agricultural productivity have come from

Which of the following are forms of chemical deterioration of soil?

Famines are most often serious when there is

The parent material layer of a soil is composed of weathered

Which is a disadvantage of conservation tillage methods?

Contour plowing and strip farming are methods designed to

Which of these is not a benefit found with reduced tillage farming?

Understanding Our Environment

Environmental Systems: Connections, Cycles, Flows and Feedback Loops

Evolution, Species Interactions, and Biological Communities

Human Populations

Biomes and Biodiversity

Environmental Conservation: Forests Grasslands Parks and Nature Preserves

Environmental Health and Toxicology

Air: Climate and Pollution

Water: Resources and Pollution

Environmental Geology and Earth Resources

Energy

Solid and Hazardous Waste

Economics and Urbanization

Environmental Policy and Sustainability

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Exam 7: Food and Agriculture

More than 70% of all soybeans, corn, and cotton grown in the United States are genetically modified.

The layer of soil that is a mixture of minerals and organic material is the

Vitamin A deficiencies are associated with

Goiter is a common disease resulting from a shortage of dietary

Genetically modified organisms (GMOs) are made by taking bits of DNA from different sources to create desired characteristics in an organism.

The three crops that humans rely on for the majority of nutrients and calories are

Sustainable farming

The number of genetically modified organisms (GMOs) and the acreage devoted to growing them has decreased in the past fifteen years because of the huge number of opponents.

What is the basis of the statement that we could feed more people if we would eat grain rather than feeding it to livestock?

What are two common diseases that result from protein deficiencies?

You can participate in sustainable agriculture by

The energy needed to process and distribute food in the US is as much as _______ times the amount that is used to actually farm the crops.

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?

In developed countries, the most recent increases in agricultural productivity have come from

Which of the following are forms of chemical deterioration of soil?

Famines are most often serious when there is

The parent material layer of a soil is composed of weathered

Which is a disadvantage of conservation tillage methods?

Contour plowing and strip farming are methods designed to

Which of these is not a benefit found with reduced tillage farming?

Understanding Our Environment

Environmental Systems: Connections, Cycles, Flows and Feedback Loops

Evolution, Species Interactions, and Biological Communities

Human Populations

Biomes and Biodiversity

Environmental Conservation: Forests Grasslands Parks and Nature Preserves

Environmental Health and Toxicology

Air: Climate and Pollution

Water: Resources and Pollution

Environmental Geology and Earth Resources

Energy

Solid and Hazardous Waste

Economics and Urbanization

Environmental Policy and Sustainability

Filters