Question 1

Industrialized agriculture requires large inputs of all of the following, except

Accepted Answer

A) draft animals 
B) financial capital 
C) commercial inorganic fertilizers 
D) water 
E) fossil fuels 
A) draft animals 
B) financial capital 
C) commercial inorganic fertilizers 
D) water 
E) fossil fuels

Question 2

Some traditional subsistence farmers grow several crops on the same plot simultaneously, a practice known as ____________________.

Accepted Answer

The answer of Some traditional subsistence farmers grow several crops...

Question 3

Adding water until the water table rises and envelops the deep roots of plants resulting in a loss of productivity, ultimately killing them, is 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 4

Some ____________________ children younger than age 6 go blind each year from lack of ____________________.

Accepted Answer

250,000─50

Question 5

Use the Figure above to answer the following question(s).
-What was the approximate increase in catch (in millions of metric tons) from 1950 to 1970?

Accepted Answer

about 40 m

Question 6

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 7

The green revolution continues to increase the amount of available food, meeting the needs of the increasing human population for the foreseeable future.

Accepted Answer

A) True 
 B)False

Question 8

The human population continues rapid growth. Each day, how many more people must be fed?

Accepted Answer

A) 50,000 
B) 76,000 
C) 121,000 
D) 224,000 
E) 353,000 
A) 50,000 
B) 76,000 
C) 121,000 
D) 224,000 
E) 353,000

Question 9

Twenty six million children suffer irreversible brain damage each year because of a lack of iodine in their diet.

Accepted Answer

A) True 
 B)False

Question 10

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 11

U.S.agriculture produces 17% of the world's grains with how much of the world's farm labor force?

Accepted Answer

A) 0.3% 
B) 1.2% 
C) 3.6% 
D) 4.5% 
E) 6.1% 
A) 0.3% 
B) 1.2% 
C) 3.6% 
D) 4.5% 
E) 6.1%

Question 12

Just 1 centimeter of topsoil (0.4 inch) can take a century to form.

Accepted Answer

A) True 
 B)False

Question 13

In the United States, how much of the original topsoil is gone?

Accepted Answer

A) 50% 
B) 33% 
C) 25% 
D) 15% 
E) 10% 
A) 50% 
B) 33% 
C) 25% 
D) 15% 
E) 10%

Question 14

Supporters of more sustainable agricultural systems point out we have all of the components needed to shift to these systems.

Accepted Answer

A) True 
 B)False

Question 15

Since 1900, how much of the genetic diversity of agricultural crops have we lost?

Accepted Answer

A) 25% 
B) 33% 
C) 50% 
D) 67% 
E) 75% 
A) 25% 
B) 33% 
C) 50% 
D) 67% 
E) 75%

Question 16

Organic farming is more labor intensive than traditional farming and therefore costs more.

Accepted Answer

A) True 
 B)False

Question 17

Three-fourths of the genetic diversity of agricultural crops is still available to produce food.

Accepted Answer

A) True 
 B)False

Question 18

Soil is eroding faster than it can be formed on ____________________% of the world's cropland.

Accepted Answer

The answer of Soil is eroding faster than it can...

Question 19

A severe shortage of food leading to mass starvation, many deaths, economic chaos, and social disruption, is called

Accepted Answer

A) chronic undernutrition 
B) famine 
C) hunger 
D) chronic malnutrition 
E) food security 
A) chronic undernutrition 
B) famine 
C) hunger 
D) chronic malnutrition 
E) food security

Question 20

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%

Exam 12: Food, Soil, and Pest Management

Industrialized agriculture requires large inputs of all of the following, except

Some traditional subsistence farmers grow several crops on the same plot simultaneously, a practice known as ____________________.

Adding water until the water table rises and envelops the deep roots of plants resulting in a loss of productivity, ultimately killing them, is called

Some ____________________ children younger than age 6 go blind each year from lack of ____________________.

Use the Figure above to answer the following question(s). -What was the approximate increase in catch (in millions of metric tons) from 1950 to 1970?

In alley cropping

The green revolution continues to increase the amount of available food, meeting the needs of the increasing human population for the foreseeable future.

The human population continues rapid growth. Each day, how many more people must be fed?

Twenty six million children suffer irreversible brain damage each year because of a lack of iodine in their diet.

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

U.S.agriculture produces 17% of the world's grains with how much of the world's farm labor force?

Just 1 centimeter of topsoil (0.4 inch) can take a century to form.

In the United States, how much of the original topsoil is gone?

Supporters of more sustainable agricultural systems point out we have all of the components needed to shift to these systems.

Since 1900, how much of the genetic diversity of agricultural crops have we lost?

Organic farming is more labor intensive than traditional farming and therefore costs more.

Three-fourths of the genetic diversity of agricultural crops is still available to produce food.

Soil is eroding faster than it can be formed on ____________________% of the world's cropland.

A severe shortage of food leading to mass starvation, many deaths, economic chaos, and social disruption, is called

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

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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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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Energy Efficiency and Renewable Energy

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Some children younger than age 6 go blind each year from lack of .