Question 1

Poi is a starchy food made from plants of the genera:

Accepted Answer

A)   Mangifera and Citrus.
B)   Citrus and Musa.
C)   Musa and Sorghum.
D)   Sorghum and Colocasia.
E)   Colocasia and Xanthosoma.F) A) and B)
G) C) and E)

Question 2

The great majority of the world's food supply is based on ______ kinds of crop plants.

Accepted Answer

A)   2
B)   6
C)   8
D)   14
E)   20F) A) and B)
G) D) and E)

Question 3

One effect of the Green Revolution has been to accelerate the consolidation of small farms into a few large holdings.

Accepted Answer

A) True 
 B)False

Question 4

Tapioca is produced from the roots of ______, also called cassava.

Accepted Answer

A)   quinoa
B)   lentils
C)   sweet potatoes
D)   yams
E)   maniocF) C) and E)
G) D) and E)

Question 5

More than half the world's sunflowers are produced in:

Accepted Answer

A)   the United States.
B)   Mexico.
C)   Thailand.
D)   West Africa.
E)   Russia.F) B) and C)
G) A) and E)

Question 6

It is estimated that by 2050, the world will need 70 to 100 percent more food than is now available.

Accepted Answer

A) True 
 B)False  True

Question 7

The coconut palm is widespread today because of dispersal by humans.

Accepted Answer

A) True 
 B)False

Question 8

The first plants cultivated in the Fertile Crescent were:

Accepted Answer

A)   olives and dates.
B)   peas and olives.
C)   barley and peas.
D)   wheat and barley.
E)   wheat and lentils.F) A) and C)
G) C) and D)

Question 9

All of the following are difficulties associated with the Green Revolution in sub-Saharan Africa EXCEPT:

Accepted Answer

A)   the consolidation of farmlands into a few large holdings.
B)   the lack of money to buy fertilizer.
C)   the lack of money to buy farm machinery.
D)   the lack of hybrid varieties of wheat and rice.
E)   the lack of an adequate supply of water.F) B) and D)
G) C) and D)

Question 10

Herbs differ from spices in that most herbs are:

Accepted Answer

A)   buds.
B)   seeds.
C)   roots.
D)   leaves.
E)   flowers.F) A) and B)
G) A) and E)

Question 11

______ is an herb that is a member of the parsley family.

Accepted Answer

A)   Thyme
B)   Oregano
C)   Basil
D)   Caraway
E)   MintF) B) and E)
G) A) and E) D

Question 12

Which of the following crops was NOT initially cultivated in Africa?

Accepted Answer

A)   sorghum
B)   okra
C)   yams
D)   rice
E)   cottonF) A) and E)
G) A) and D)

Question 13

Homo sapiens appeared in Africa about ___________ years ago.

Accepted Answer

A)   5000
B)   500,000
C)   1.4 million
D)   2.4 million
E)   140 millionF) All of the above
G) None of the above

Question 14

The evidence indicates that herbs and spices were used during the Middle Ages to cover the taste of spoiled meat.

Accepted Answer

A) True 
 B)False

Question 15

Irrigation was first practiced in Mexico.

Accepted Answer

A) True 
 B)False  False

Question 16

Up until the 1970s, maize production in the United States increased dramatically as plant breeders made full use of the plant's genetic diversity.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following statements concerning hybrid maize is FALSE?

Accepted Answer

A)   They can be selected for cultivation in particular localities.
B)   They constitute about 50 percent of all maize grown in the United States today.
C)   They can be obtained by crossing strains grown in alternating rows.
D)   They produce higher yields than nonhybrid individuals.
E)   They are easier to harvest than nonhybrid individuals.F) A) and E)
G) B) and D)

Question 18

Crops can be improved by increasing each of the following EXCEPT:

Accepted Answer

A)   the quantity of proteins.
B)   the quality of proteins.
C)   nitrogen requirements.
D)   disease resistance.
E)   storage ability.F) A) and B)
G) B) and E)

Question 19

In contrast to wild cereals, domesticated cereals:

Accepted Answer

A)   have smaller grains.
B)   have lost their natural seed dispersal.
C)   have thinner stalks.
D)   release their ripe seeds more readily.
E)   have seeds that do not separate as readily from the chaff.F) A) and B)
G) B) and E)

Question 20

The first significant advance that led to an increase in agricultural productivity was the development of:

Accepted Answer

A)   irrigation.
B)   fertilizers.
C)   hybrid maize.
D)   efficient machinery.
E)   pesticides.F) A) and B)
G) A) and C)

Exam 21: Plants and People

Poi is a starchy food made from plants of the genera:

Correct AnswerverifiedShow Answer

The great majority of the world's food supply is based on ______ kinds of crop plants.

Correct AnswerverifiedShow Answer

One effect of the Green Revolution has been to accelerate the consolidation of small farms into a few large holdings.

Correct AnswerverifiedShow Answer

Tapioca is produced from the roots of ______, also called cassava.

Correct AnswerverifiedShow Answer

More than half the world's sunflowers are produced in:

Correct AnswerverifiedShow Answer

It is estimated that by 2050, the world will need 70 to 100 percent more food than is now available.

Correct AnswerverifiedTrue

The coconut palm is widespread today because of dispersal by humans.

Correct AnswerverifiedShow Answer

The first plants cultivated in the Fertile Crescent were:

Correct AnswerverifiedShow Answer

All of the following are difficulties associated with the Green Revolution in sub-Saharan Africa EXCEPT:

Correct AnswerverifiedShow Answer

Herbs differ from spices in that most herbs are:

Correct AnswerverifiedShow Answer

______ is an herb that is a member of the parsley family.

Correct AnswerverifiedD

Which of the following crops was NOT initially cultivated in Africa?

Correct AnswerverifiedShow Answer

Homo sapiens appeared in Africa about ___________ years ago.

Correct AnswerverifiedShow Answer

The evidence indicates that herbs and spices were used during the Middle Ages to cover the taste of spoiled meat.

Correct AnswerverifiedShow Answer

Irrigation was first practiced in Mexico.

Correct AnswerverifiedFalse

Up until the 1970s, maize production in the United States increased dramatically as plant breeders made full use of the plant's genetic diversity.

Correct AnswerverifiedShow Answer

Which of the following statements concerning hybrid maize is FALSE?

Correct AnswerverifiedShow Answer

Crops can be improved by increasing each of the following EXCEPT:

Correct AnswerverifiedShow Answer

In contrast to wild cereals, domesticated cereals:

Correct AnswerverifiedShow Answer

The first significant advance that led to an increase in agricultural productivity was the development of:

Correct AnswerverifiedShow Answer

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True

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D

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False

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