Unit Test — Unit test Answers

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3

Which of the following statements is true?

A
There is not enough food produced in the world to feed everyone.
B
The biggest cause of hunger and malnutrition is the cost of getting food to people who need it most.
C
Most countries have enough arable land and resources to feed their own population and export a surplus.
D
Malnourishment is only seen in a few countries with very limited food supplies.
4

Which of the following statements best characterizes changes to agriculture in the United States since 1900?

A
Increased mechanization has reduced the need for labor.
B
Increased mechanization has increased the need for water, thereby increasing the need for labor.
C
Increased mechanization has increased the use of land, thereby increasing the need for labor.
D
Increased mechanization has increased food production, thereby increasing the need for labor.
8

Which of the following statements about malnourishment is false?

A
Fifteen percent of the world's population is malnourished.
B
Protein malnourishment can lead to disease susceptibility.
C
Protein malnourishment can be found even in places with abundant food supplies.
D
Malnourishment is a result of overpopulation.
9

Which of the following is not a factor that is increasing the risk of a widespread famine before 2050?

A
water scarcity
B
overpopulation
C
agricultural shift to biofuel production
D
increased crop diversification
11

A food product that has to be imported into a country for that country’s consumption most often becomes __________.

A
unattainable
B
exotic
C
more expensive
D
less expensive
12

Terraces are used in agriculture to __________.

A
practice shifting cultivation
B
increase the amount of arable land
C
increase the amount of erosion
D
increase the effects of deforestation
13

Characteristics of subsistence farming include all of the following except __________.

A
the use of pesticides
B
shifting cultivation
C
farmers that stay in one place
D
the lack of tractors and machinery
15

Having an insufficient daily diet is called __________.

A
agriculture
B
supply and demand
C
production
D
malnourishment
16

The top three producers of agriculture in the world are __________.

A
Japan, Africa, and the United States
B
Japan, England, and China
C
China, India, and the United States
D
India, England, and the United States.
17

A limited-resource farmer __________.

A
lacks access to capital and labor
B
sells to a highly specialized market
C
is able to farm more efficiently using fewer resources
D
is compensated with tax benefits for using fewer resources
18

Which statement about agricultural production in Africa is false?

A
Agricultural production has increased significantly since 1960.
B
Population is increasing, so the demand for food is also increasing.
C
Soil fertility and quality are decreasing.
D
Limited investment has been made in mechanization on the continent.
19

Which of the following is not one of the three important developments that was made in agriculture in the past 50 years?

A
a growing labor force
B
the use of biotechnology
C
increased mechanization
D
the development of agriculture as a business
20

Which of the following is not a factor that is increasing the risk of a widespread famine before 2050?

A
water scarcity
B
overpopulation
C
agricultural shift to biofuel production
D
increased crop diversification

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