Question 1

In 1962 Rachel Carson published a book entitled "_______________," which warned of the potential harm to biodiversity because of exposure to pesticides.

Accepted Answer

Silent Spring

Question 2

A second green revolution has been taking place since 1967,based on ____.

Accepted Answer

A)  fast-growing cattle 
B)  extra heavy hogs 
C)  sheep that fatten quickly 
D)  fast-growing rice and wheat 
E)  vitamin enriched soybeans 
A)  fast-growing cattle 
B)  extra heavy hogs 
C)  sheep that fatten quickly 
D)  fast-growing rice and wheat 
E)  vitamin enriched soybeans D

Question 3

Each year,at least 250,000 children under six years of age go blind from lack of ____.

Accepted Answer

A)  iron 
B)  calcium 
C)  vitamin A 
D)  vitamin B 
E)  vitamin C 
A)  iron 
B)  calcium 
C)  vitamin A 
D)  vitamin B 
E)  vitamin C C

Question 4

The term overnutrition refers to ____.

Accepted Answer

A)  obtaining too few calories per day 
B)  when energy use is less than energy intake 
C)  eating unbalanced meals 
D)  eating poor quality foods 
E)  eating too much protein 
A)  obtaining too few calories per day 
B)  when energy use is less than energy intake 
C)  eating unbalanced meals 
D)  eating poor quality foods 
E)  eating too much protein

Question 5

Compared to high-input farming,low-input agriculture

Accepted Answer

A)  produces lower yields with less energy per unit of yield 
B)  produces similar yields with less energy per unit of yield 
C)  produces higher yields with less energy per unit of yield 
D)  increases topsoil erosion 
E)  produces greater amounts of greenhouse gases 
A)  produces lower yields with less energy per unit of yield 
B)  produces similar yields with less energy per unit of yield 
C)  produces higher yields with less energy per unit of yield 
D)  increases topsoil erosion 
E)  produces greater amounts of greenhouse gases

Question 6

People in the United States spend how much of their disposable income on food?

Accepted Answer

A)  more than 40% 
B)  more than 30% 
C)  less than 20% 
D)  less than 10% 
E)  less than 2% 
A)  more than 40% 
B)  more than 30% 
C)  less than 20% 
D)  less than 10% 
E)  less than 2%

Question 7

What occurs in alley cropping?

Accepted Answer

A)  Crops are planted in strips between trees and shrubs. 
B)  Terraces are built to prevent swift water runoff. 
C)  Crops are planted across slopes. 
D)  Special tillers are used so the topsoil is not disturbed. 
E)  A row crop alternates in strips with another row crop. 
A)  Crops are planted in strips between trees and shrubs. 
B)  Terraces are built to prevent swift water runoff. 
C)  Crops are planted across slopes. 
D)  Special tillers are used so the topsoil is not disturbed. 
E)  A row crop alternates in strips with another row crop.

Question 8

Why is the green revolution unlikely to be the final answer in terms of feeding the billions of people that are,and will be,living on the earth?

Accepted Answer

The green revolution is based on very hi

Question 9

Hundreds of thousands of children under six years of age go blind each year because of a lack of iron.

Accepted Answer

A) True 
 B)False

Question 10

About 88% of the increase in global food production has come from using high-input industrialized agriculture to increase yields in a process called the ____________________.

Accepted Answer

The answer of About 88% of the increase in global...

Question 11

What percentage of the food products currently on U.S.supermarket shelves contains some form of genetically engineered food or ingredients?

Accepted Answer

A)  60% 
B)  70% 
C)  80% 
D)  90% 
E)  100% 
A)  60% 
B)  70% 
C)  80% 
D)  90% 
E)  100%

Question 12

Which of the following is an option for reducing desertification?

Accepted Answer

A)  increase irrigation 
B)  increase grazing 
C)  manipulate weather to control drought 
D)  decrease number of trees in desertified areas 
E)  decrease human contribution to climate change 
A)  increase irrigation 
B)  increase grazing 
C)  manipulate weather to control drought 
D)  decrease number of trees in desertified areas 
E)  decrease human contribution to climate change

Question 13

Why have synthetic pesticides not consistently reduced U.S.crop losses to pests?

Accepted Answer

This is largely because of genetic resis

Question 14

With industrialized food production,for every one unit of energy put on the table in the United States,how many units of nonrenewable fossil fuel energy are required to produce it?

Accepted Answer

A)  100 
B)  10 
C)  5 
D)  0.5 
E)  0.001 
A)  100 
B)  10 
C)  5 
D)  0.5 
E)  0.001

Question 15

Slash and burn agriculture is a type of ____.

Accepted Answer

A)  high-input agriculture 
B)  industrialized agriculture 
C)  monoculture agriculture 
D)  plantation agriculture 
E)  traditional subsistence agriculture 
A)  high-input agriculture 
B)  industrialized agriculture 
C)  monoculture agriculture 
D)  plantation agriculture 
E)  traditional subsistence agriculture

Question 16

One of the most important characteristics of a pesticide is how long it will stay deadly in the environment,a characteristic called ____.

Accepted Answer

A)  lethal dose 
B)  history 
C)  usefulness 
D)  impact 
E)  persistence 
A)  lethal dose 
B)  history 
C)  usefulness 
D)  impact 
E)  persistence

Question 17

Repeated irrigation in dry climates leads to accumulation of salts in the upper layers of the soil,a process called ____.

Accepted Answer

A)  salinization 
B)  desertification 
C)  soil erosion 
D)  overgrazing 
E)  waterlogging 
A)  salinization 
B)  desertification 
C)  soil erosion 
D)  overgrazing 
E)  waterlogging

Question 18

Compared to traditional tillage,conservation tillage

Accepted Answer

A)  reduces topsoil erosion 
B)  accelerates water loss from the soil 
C)  causes soil compaction 
D)  does not require herbicides 
E)  reduces the amount of carbon stored in the ground 
A)  reduces topsoil erosion 
B)  accelerates water loss from the soil 
C)  causes soil compaction 
D)  does not require herbicides 
E)  reduces the amount of carbon stored in the ground

Question 19

What is the largest cause of soil erosion?

Accepted Answer

A)  flowing water 
B)  still water 
C)  wind 
D)  sink holes 
E)  mountain avalanches 
A)  flowing water 
B)  still water 
C)  wind 
D)  sink holes 
E)  mountain avalanches

Question 20

About two thirds of the world's human population survive primarily by eating one or more of three grain crops.What are these three grains?

Accepted Answer

A)  rice,wheat,and corn 
B)  oats,rice,and wheat 
C)  corn,wheat,and oats 
D)  corn,rice,and maize 
E)  oats,maize,and rice 
A)  rice,wheat,and corn 
B)  oats,rice,and wheat 
C)  corn,wheat,and oats 
D)  corn,rice,and maize 
E)  oats,maize,and rice

Exam 12: Food, soil, and Pest Management

In 1962 Rachel Carson published a book entitled "_______________," which warned of the potential harm to biodiversity because of exposure to pesticides.

A second green revolution has been taking place since 1967,based on ____.

Each year,at least 250,000 children under six years of age go blind from lack of ____.

The term overnutrition refers to ____.

Compared to high-input farming,low-input agriculture

People in the United States spend how much of their disposable income on food?

What occurs in alley cropping?

Why is the green revolution unlikely to be the final answer in terms of feeding the billions of people that are,and will be,living on the earth?

Hundreds of thousands of children under six years of age go blind each year because of a lack of iron.

About 88% of the increase in global food production has come from using high-input industrialized agriculture to increase yields in a process called the ____________________.

What percentage of the food products currently on U.S.supermarket shelves contains some form of genetically engineered food or ingredients?

Which of the following is an option for reducing desertification?

Why have synthetic pesticides not consistently reduced U.S.crop losses to pests?

With industrialized food production,for every one unit of energy put on the table in the United States,how many units of nonrenewable fossil fuel energy are required to produce it?

Slash and burn agriculture is a type of ____.

One of the most important characteristics of a pesticide is how long it will stay deadly in the environment,a characteristic called ____.

Repeated irrigation in dry climates leads to accumulation of salts in the upper layers of the soil,a process called ____.

Compared to traditional tillage,conservation tillage

What is the largest cause of soil erosion?

About two thirds of the world's human population survive primarily by eating one or more of three grain crops.What are these three grains?

Environmental Problems, their Causes, and Sustainability

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Ecosystems: What Are They and How Do They Work

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Biodiversity, species Interactions, and Population Control

The Human Population and Its Impact

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Aquatic Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Sustaining Aquatic Biodiversity

Water Resources

Geology and Nonrenewable Mineral Resources

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Climate Disruption and Ozone Depletion

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