Question 1

In angiosperms,pollen is transferred from the _______ to the _______.

Accepted Answer

A)  anther;style 
B)  filament;ovary 
C)  anther;stigma 
D)  filament;stigma 
E)  anther;ovule 
A)  anther;style 
B)  filament;ovary 
C)  anther;stigma 
D)  filament;stigma 
E)  anther;ovule

Question 2

The two major clades of angiosperms,the monocots and eudicots,differ in the number of

Accepted Answer

A)  sperm involved in fertilization. 
B)  sexes per plant;monocots have one sex per plant,and eudicots have both sexes in one plant. 
C)  sexes per plant;eudicots have male and female plants,and monocots have both sexes in one plant. 
D)  embryonic cotyledons. 
E)  tracheid types. 
A)  sperm involved in fertilization. 
B)  sexes per plant;monocots have one sex per plant,and eudicots have both sexes in one plant. 
C)  sexes per plant;eudicots have male and female plants,and monocots have both sexes in one plant. 
D)  embryonic cotyledons. 
E)  tracheid types.

Question 3

Two hundred million years ago,dinosaurs were Earth's dominant animals,and _______ were the dominant vegetation.

Accepted Answer

A)  early ferns 
B)  horsetails and tree ferns 
C)  lycopods and ferns 
D)  gymnosperms 
E)  angiosperms 
A)  early ferns 
B)  horsetails and tree ferns 
C)  lycopods and ferns 
D)  gymnosperms 
E)  angiosperms

Question 4

Which statement about carpels is false?

Accepted Answer

A)  They are thought to have evolved from leaves. 
B)  They bear megasporangia. 
C)  They may fuse to form a pistil. 
D)  They are floral organs. 
E)  They are absent in perfect flowers. 
A)  They are thought to have evolved from leaves. 
B)  They bear megasporangia. 
C)  They may fuse to form a pistil. 
D)  They are floral organs. 
E)  They are absent in perfect flowers.

Question 5

Which group has sporophytes that exhibit indeterminate growth and develop no stalk,and a single,large chloroplast in each cell?

Accepted Answer

A)  Liverworts 
B)  Hornworts 
C)  Mosses 
D)  Stoneworts 
E)  Horsetails 
A)  Liverworts 
B)  Hornworts 
C)  Mosses 
D)  Stoneworts 
E)  Horsetails

Question 6

Which group diverged earlier than all other living vascular plants,bears simple leaves arranged spirally on a stem and exhibit apical growth,and has sporangia contained within conelike structures called strobili?

Accepted Answer

A)  Ginkgoes 
B)  Horsetails 
C)  Ferns 
D)  Hornworts 
E)  Club mosses 
A)  Ginkgoes 
B)  Horsetails 
C)  Ferns 
D)  Hornworts 
E)  Club mosses

Question 7

Which characteristic is not unique (i.e. ,not a synapomorphy)to the angiosperms?

Accepted Answer

A)  The production of triploid endosperm 
B)  The production of fruit 
C)  Xylem that contains mostly vessel elements and fibers 
D)  A reduced gametophyte generation 
E)  The production of flowers 
A)  The production of triploid endosperm 
B)  The production of fruit 
C)  Xylem that contains mostly vessel elements and fibers 
D)  A reduced gametophyte generation 
E)  The production of flowers

Question 8

Which plant tissue would not be affected by treatment with a chemical that disrupts chromosome pairing for crossing over?

Accepted Answer

A)  Hornwort antheridium 
B)  Moss sporangium 
C)  Fern sori 
D)  Club moss strobili 
E)  Horsetail sporangia 
A)  Hornwort antheridium 
B)  Moss sporangium 
C)  Fern sori 
D)  Club moss strobili 
E)  Horsetail sporangia

Question 9

Use the following to answer questions :
Refer to the diagram below showing the alternation of generation that occurs in the life cycle of a land plant.  
-At step E in the figure,what would the structure being formed look like in a nonvascular land plant?

Accepted Answer

A)  It would be inconspicuous and lack chloroplasts. 
B)  It would be conspicuous and lack chloroplasts. 
C)  It would be conspicuous and nutritionally independent. 
D)  It would be inconspicuous and might or might not be nutritionally independent. 
E)  It would be conspicuous and nutritionally dependent on the sporophyte. 
A)  It would be inconspicuous and lack chloroplasts. 
B)  It would be conspicuous and lack chloroplasts. 
C)  It would be conspicuous and nutritionally independent. 
D)  It would be inconspicuous and might or might not be nutritionally independent. 
E)  It would be conspicuous and nutritionally dependent on the sporophyte.

Question 10

Which group has a gametophyte that is a branched,filamentous structure and has many species that contain hydroid cells?

Accepted Answer

A)  Liverworts 
B)  Hornworts 
C)  Mosses 
D)  Stoneworts 
E)  Horsetails 
A)  Liverworts 
B)  Hornworts 
C)  Mosses 
D)  Stoneworts 
E)  Horsetails

Question 11

Which group is not classified as a gymnosperm?

Accepted Answer

A)  Cycads 
B)  Conifers 
C)  Anthocerophytes 
D)  Gnetophytes 
E)  Ginkgos 
A)  Cycads 
B)  Conifers 
C)  Anthocerophytes 
D)  Gnetophytes 
E)  Ginkgos

Question 12

A branching independent sporophyte is beneficial to plants in a number of ways.What is not one of those benefits?

Accepted Answer

A)  Advantages in competition for light for photosynthesis 
B)  The ability to evolve microphylls 
C)  The ability to evolve megaphylls,which increase photosynthetic ability 
D)  The ability of the sporophyte to live in a different environment from that of the gametophyte 
E)  The capacity of the gametophyte to grow much larger 
A)  Advantages in competition for light for photosynthesis 
B)  The ability to evolve microphylls 
C)  The ability to evolve megaphylls,which increase photosynthetic ability 
D)  The ability of the sporophyte to live in a different environment from that of the gametophyte 
E)  The capacity of the gametophyte to grow much larger

Question 13

You discover a new plant and want to learn more about its biology.Which features will best help you understand which sort of pollination mechanism this plant uses?

Accepted Answer

A)  Morphology and color of the corolla 
B)  Height of the plant 
C)  Leaf morphology 
D)  Number of cotyledons in the embryo 
E)  Type of endosperm 
A)  Morphology and color of the corolla 
B)  Height of the plant 
C)  Leaf morphology 
D)  Number of cotyledons in the embryo 
E)  Type of endosperm

Question 14

Plant species in which individuals are exclusively male or exclusively female are

Accepted Answer

A)  eudicots. 
B)  heterozygous. 
C)  perfect. 
D)  monoecious. 
E)  dioecious. 
A)  eudicots. 
B)  heterozygous. 
C)  perfect. 
D)  monoecious. 
E)  dioecious.

Question 15

Land plants,sometimes referred to as _______,may be defined as multicellular,photosynthetic eukaryotes that develop from embryos protected by tissues of the parent.

Accepted Answer

The answer of Land plants,sometimes referred to as _______,may be...

Question 16

All land plants produce _______ by mitosis and _______ by meiosis.

Accepted Answer

A)  spores;gametes 
B)  gametes;gametes 
C)  gametes;spores 
D)  spores;spores 
E)  spores;gametes and spores 
A)  spores;gametes 
B)  gametes;gametes 
C)  gametes;spores 
D)  spores;spores 
E)  spores;gametes and spores

Question 17

Which characteristic does not link the "green algae" with land plants?

Accepted Answer

A)  The use of chlorophylls a and b 
B)  Primary endosymbiosis 
C)  Starch as a major storage compound 
D)  Chloroplasts 
E)  Protected embryo 
A)  The use of chlorophylls a and b 
B)  Primary endosymbiosis 
C)  Starch as a major storage compound 
D)  Chloroplasts 
E)  Protected embryo

Question 18

Which group of gymnosperms includes a species that has male and female trees in which the sex is determined by sex chromosomes?

Accepted Answer

A)  Ginkgos 
B)  Gnetophytes 
C)  Conifers 
D)  Cycads 
E)  There are no groups of gymnosperms with that characteristic. 
A)  Ginkgos 
B)  Gnetophytes 
C)  Conifers 
D)  Cycads 
E)  There are no groups of gymnosperms with that characteristic.

Question 19

Which of the following is a synapomorphy of the clade that includes streptophytes and glaucophytes?

Accepted Answer

A)  Chloroplasts 
B)  Chlorophyll b 
C)  Multicellular sporophyte 
D)  Retention of the egg in the parental organism 
E)  Branched apical growth 
A)  Chloroplasts 
B)  Chlorophyll b 
C)  Multicellular sporophyte 
D)  Retention of the egg in the parental organism 
E)  Branched apical growth

Question 20

The horsetails and ferns are members of a single clade,the

Accepted Answer

A)  lycophytes. 
B)  hornworts. 
C)  liverworts. 
D)  monilophytes. 
E)  mosses. 
A)  lycophytes. 
B)  hornworts. 
C)  liverworts. 
D)  monilophytes. 
E)  mosses.

Exam 21: The Evolution of Plants

In angiosperms,pollen is transferred from the _______ to the _______.

The two major clades of angiosperms,the monocots and eudicots,differ in the number of

Two hundred million years ago,dinosaurs were Earth's dominant animals,and _______ were the dominant vegetation.

Which statement about carpels is false?

Which group has sporophytes that exhibit indeterminate growth and develop no stalk,and a single,large chloroplast in each cell?

Which group diverged earlier than all other living vascular plants,bears simple leaves arranged spirally on a stem and exhibit apical growth,and has sporangia contained within conelike structures called strobili?

Which characteristic is not unique (i.e. ,not a synapomorphy)to the angiosperms?

Which plant tissue would not be affected by treatment with a chemical that disrupts chromosome pairing for crossing over?

Use the following to answer questions : Refer to the diagram below showing the alternation of generation that occurs in the life cycle of a land plant. -At step E in the figure,what would the structure being formed look like in a nonvascular land plant?

Which group has a gametophyte that is a branched,filamentous structure and has many species that contain hydroid cells?

Which group is not classified as a gymnosperm?

A branching independent sporophyte is beneficial to plants in a number of ways.What is not one of those benefits?

You discover a new plant and want to learn more about its biology.Which features will best help you understand which sort of pollination mechanism this plant uses?

Plant species in which individuals are exclusively male or exclusively female are

Land plants,sometimes referred to as _______,may be defined as multicellular,photosynthetic eukaryotes that develop from embryos protected by tissues of the parent.

All land plants produce _______ by mitosis and _______ by meiosis.

Which characteristic does not link the "green algae" with land plants?

Which group of gymnosperms includes a species that has male and female trees in which the sex is determined by sex chromosomes?

Which of the following is a synapomorphy of the clade that includes streptophytes and glaucophytes?

The horsetails and ferns are members of a single clade,the

Introduction

The Chemistry and Energy of Life

Nucleic Acids, Proteins, and Enzymes

Cells: the Working Units of Life

Cell Membranes and Signaling

Pathways That Harvest and Store Chemical Energy

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

DNA and Its Role in Heredity

From Dna to Protein: Gene Expression

Regulation of Gene Expression

Genomes

Biotechnology

Genes, Development, and Evolution

Processes of Evolution

Reconstructing and Using Phylogenies

Speciation

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

The Evolution and Diversity of Fungi

Animal Origins and Diversity

The Plant Body

Plant Nutrition and Transport

Plant Growth and Development

Reproduction of Flowering Plants

Plants in the Environment

Fundamentals of Animal Function

Nutrition and Digestion

Breathing

Circulation

Muscle and Movement

Neurons, Sense Organs, and Nervous Systems

Nervous and Endocrine Control

Water and Salts: Excretion

Animal Reproduction

Animal Development

Immunology: Animal Defense Systems

Animal Behavior

The Distribution of Earths Ecological Systems

Populations

Ecological and Evolutionary Consequences of Interactions Within and Among Species

Ecological Communities

The Global Ecosystem

Filters

In angiosperms,pollen is transferred from the _ to the _.

All land plants produce _ by mitosis and _ by meiosis.