Question 1

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)   eating locally lower on the food chain and participating in CSAs. D

Question 2

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

Question 3

Methods of managing topography include all but which of the following?

Accepted Answer

A)   terracing
B)   contour plowing
C)   deep tilling
D)   strip-farming

Question 4

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

Question 5

The approximate energy yield of carbohydrates is 4 calories/gram; fats yield about 9 calories/gram, and proteins about 4 calories/gram. Jack and Sarah consumed the following for lunch: 
Jack-100 grams protein, 20 grams fat, 75 grams carbohydrates;
 Sarah- 75 grams protein, 10 grams fats, 75 grams carbohydrates.
 How many Calories each did Jack and Sarah consume?

Accepted Answer

A)   Jack: 890 Calories, Sarah: 670 Calories
B)   Jack: 880 Calories, Sarah: 680 Calories
C)   Jack: 900 Calories, Sarah: 650 Calories
D)   Jack: 900 Calories, Sarah: 680 Calories
E)   Jack: 880 Calories, Sarah: 690 Calories D

Question 6

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.

Question 7

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 8

Waterlogging results from

Accepted Answer

A)   toxic metal accumulation.
B)   excessive irrigation.
C)   excessive plowing.
D)   high evaporation processes.
E)   natural water erosion processes.

Question 9

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)   High responder varieties require less water.

Question 10

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 information about nutrition.
E)   All of these are reasons for the vicious cycle.

Question 11

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.

Question 12

A natural form of fertilizer would be

Accepted Answer

A)   manure.
B)   phosphorous application.
C)   nitrogen.
D)   corn plantings.
E)   genetically modified crop plantings. A

Question 13

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 14

_________ can be defined as the transfer of genes for desirable traits, such as pest resistance, into crop plants from other organisms.

Accepted Answer

A)   natural selection
B)   evolutionary engineering
C)   genetic engineering
D)   genetic resistance
E)   genetic modification

Question 15

All are common modern agricultural methods, except

Accepted Answer

A)   aquaculture farms
B)   plowing with machines
C)   irrigating with drip systems
D)   using chemical fertilizers
E)   plowing fields

Question 16

What is the theoretical 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

Question 17

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.

Question 18

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)   in response to fertilizers, pesticides, and irrigation and only "good" yields in less than ideal situations.

Question 19

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.

Question 20

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.

Exam 7: Food and Agriculture

You can participate in sustainable agriculture by

Correct Answer
verified
D

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

Correct Answer
verified

Methods of managing topography include all but which of the following?

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified
D

Famines are most often serious when there is

Correct Answer
verified

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

Correct Answer
verified

Waterlogging results from

Correct Answer
verified

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?

Correct Answer
verified

Undernourished parents often raise children who are undernourished because the parents

Correct Answer
verified

Contour plowing and strip farming are methods designed to

Correct Answer
verified

A natural form of fertilizer would be

Correct Answer
verified
A

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.

Correct Answer
verified

_________ can be defined as the transfer of genes for desirable traits, such as pest resistance, into crop plants from other organisms.

Correct Answer
verified

All are common modern agricultural methods, except

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

High responder crops of the green revolution produce tremendous yields

Correct Answer
verified

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

Correct Answer
verified

Which is a disadvantage of conservation tillage methods?

Correct Answer
verified

Exam 7: Food and Agriculture

You can participate in sustainable agriculture by

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

Methods of managing topography include all but which of the following?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedD

Famines are most often serious when there is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Waterlogging results from

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Undernourished parents often raise children who are undernourished because the parents

Correct AnswerverifiedShow Answer

Contour plowing and strip farming are methods designed to

Correct AnswerverifiedShow Answer

A natural form of fertilizer would be

Correct AnswerverifiedA

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.

Correct AnswerverifiedShow Answer

_________ can be defined as the transfer of genes for desirable traits, such as pest resistance, into crop plants from other organisms.

Correct AnswerverifiedShow Answer

All are common modern agricultural methods, except

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

High responder crops of the green revolution produce tremendous yields

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which is a disadvantage of conservation tillage methods?

Correct AnswerverifiedShow Answer

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D

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D

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A

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