Question 1

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 2

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

Accepted Answer

A)  Thyme 
B)  Oregano 
C)  Basil 
D)  Caraway 
E)  Mint 
A)  Thyme 
B)  Oregano 
C)  Basil 
D)  Caraway 
E)  Mint D

Question 3

Irrigation was first practiced in Mexico.

Accepted Answer

A) True 
 B)False  False

Question 4

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 5

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)  20 
A)  2 
B)  6 
C)  8 
D)  14 
E)  20

Question 6

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

Question 7

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 8

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 million 
A)  5000 
B)  500,000 
C)  1.4 million 
D)  2.4 million 
E)  140 million

Question 9

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. 
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.

Question 10

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 11

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

Accepted Answer

A)  quinoa 
B)  lentils 
C)  sweet potatoes 
D)  yams 
E)  manioc 
A)  quinoa 
B)  lentils 
C)  sweet potatoes 
D)  yams 
E)  manioc

Question 12

Herbs differ from spices in that most herbs are:

Accepted Answer

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

Question 13

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

Accepted Answer

A)  sorghum 
B)  okra 
C)  yams 
D)  rice 
E)  cotton 
A)  sorghum 
B)  okra 
C)  yams 
D)  rice 
E)  cotton

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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. 
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.

Question 20

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. 
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.

Exam 21: Plants and People

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

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

Irrigation was first practiced in Mexico.

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

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

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

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

Homo sapiens appeared in Africa about ___________ years ago.

In contrast to wild cereals, domesticated cereals:

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

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

Herbs differ from spices in that most herbs are:

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

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

The first plants cultivated in the Fertile Crescent were:

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

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

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

Which of the following statements concerning hybrid maize is FALSE?

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

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

The Flow of Energy

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Early Development of the Plant Body

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

External Factors and Plant Growth

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

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