Question 1

Tracheids most likely evolved from vessel elements.

Accepted Answer

A) True 
 B)False  False

Question 2

Which sequence of events most likely describes the evolution of megaphylls?

Accepted Answer

A)  Overtopping, dichotomous branching, planation, webbing 
B)  Dichotomous branching, overtopping, planation, webbing 
C)  Planation, dichotomous branching, overtopping, webbing 
D)  Webbing, dichotomous branching, overtopping, planation 
E)  Overtopping, planation, webbing, dichotomous branching 
A)  Overtopping, dichotomous branching, planation, webbing 
B)  Dichotomous branching, overtopping, planation, webbing 
C)  Planation, dichotomous branching, overtopping, webbing 
D)  Webbing, dichotomous branching, overtopping, planation 
E)  Overtopping, planation, webbing, dichotomous branching B

Question 3

The conducting cells of the phloem are called:

Accepted Answer

A)  tracheids. 
B)  vessel elements. 
C)  leaf traces. 
D)  sieve elements. 
E)  hydroids. 
A)  tracheids. 
B)  vessel elements. 
C)  leaf traces. 
D)  sieve elements. 
E)  hydroids. D

Question 4

The main tissue systems of the vascular plant are the ______ systems.

Accepted Answer

A)  root and shoot 
B)  root, shoot, and reproductive 
C)  root, stem, and leaf 
D)  dermal, vascular, and ground 
E)  xylem, phloem, and ground 
A)  root and shoot 
B)  root, shoot, and reproductive 
C)  root, stem, and leaf 
D)  dermal, vascular, and ground 
E)  xylem, phloem, and ground

Question 5

In angiosperms and most gymnosperms, the entire megagametophyte is the pollen grain.

Accepted Answer

A) True 
 B)False

Question 6

Lycopodium differs from Selaginella and Isoetes in that Lycopodium:

Accepted Answer

A)  is differentiated into roots, stems, and leaves. 
B)  has sporophylls. 
C)  is heterosporous. 
D)  lacks ligules. 
E)  has a protostele. 
A)  is differentiated into roots, stems, and leaves. 
B)  has sporophylls. 
C)  is heterosporous. 
D)  lacks ligules. 
E)  has a protostele.

Question 7

Sporocarps are produced by members of the genus Marsilea.

Accepted Answer

A) True 
 B)False

Question 8

______ is a water fern that bears sporangia on submerged, rootlike leaves.

Accepted Answer

A)  Azolla 
B)  Salvinia 
C)  Marsilea 
D)  Botrychium 
E)  Ophioglossum 
A)  Azolla 
B)  Salvinia 
C)  Marsilea 
D)  Botrychium 
E)  Ophioglossum

Question 9

The Zosterophyllophyta differ from the Rhyniophyta in that the Zosterophyllophyta:

Accepted Answer

A)  were homosporous. 
B)  were not differentiated into roots, stems, and leaves. 
C)  had a protostele. 
D)  became extinct. 
E)  produced lateral sporangia. 
A)  were homosporous. 
B)  were not differentiated into roots, stems, and leaves. 
C)  had a protostele. 
D)  became extinct. 
E)  produced lateral sporangia.

Question 10

The prothallus of Polypodiopsida is a(n):

Accepted Answer

A)  cluster of sporangia. 
B)  heart-shaped gametophyte. 
C)  outgrowth of a leaf. 
D)  type of pinna. 
E)  portion of the rachis. 
A)  cluster of sporangia. 
B)  heart-shaped gametophyte. 
C)  outgrowth of a leaf. 
D)  type of pinna. 
E)  portion of the rachis.

Question 11

The thick trunk of tree ferns is due to the functioning of a vascular cambium.

Accepted Answer

A) True 
 B)False

Question 12

Selaginella is homosporous, with bisexual gametophytes.

Accepted Answer

A) True 
 B)False

Question 13

In the club moss life cycle:

Accepted Answer

A)  the gametophytes are unisexual. 
B)  a gametophyte may produce a series of sporophytes. 
C)  water is not required for fertilization. 
D)  microphylls, but not strobili, are formed. 
E)  the sporophyte does not usually become independent of the gametophyte. 
A)  the gametophytes are unisexual. 
B)  a gametophyte may produce a series of sporophytes. 
C)  water is not required for fertilization. 
D)  microphylls, but not strobili, are formed. 
E)  the sporophyte does not usually become independent of the gametophyte.

Question 14

Microphylls are associated with stems possessing protosteles.

Accepted Answer

A) True 
 B)False

Question 15

In a eusporangium, the initials divide by the formation of walls parallel to the surface.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is NOT an evolutionary trend in the vascular plants?

Accepted Answer

A)  Nutritional dependency of the gametophyte on the sporophyte 
B)  Reduction in size of the gametophyte 
C)  Reduction in complexity of the gametophyte 
D)  Increased prominence of antheridia and archegonia 
E)  Decreased reliance on water for transferring sperm to egg 
A)  Nutritional dependency of the gametophyte on the sporophyte 
B)  Reduction in size of the gametophyte 
C)  Reduction in complexity of the gametophyte 
D)  Increased prominence of antheridia and archegonia 
E)  Decreased reliance on water for transferring sperm to egg

Question 17

A eusporangiate fern with a leaf having two parts-a vegetative portion and a fertile portion-belongs to the:

Accepted Answer

A)  genus Marsilea. 
B)  order Filicales. 
C)  genus Azolla. 
D)  genus Ophioglossum. 
E)  order Marattiales. 
A)  genus Marsilea. 
B)  order Filicales. 
C)  genus Azolla. 
D)  genus Ophioglossum. 
E)  order Marattiales.

Question 18

All ferns other than Psilotopsida and Marattiopsida are leptosporangiate.

Accepted Answer

A) True 
 B)False

Question 19

In Lycopodium, the sporangia are borne on microsporophylls and megasporophylls.

Accepted Answer

A) True 
 B)False

Question 20

The siphonostele of ferns:

Accepted Answer

A)  is the most primitive type of stele. 
B)  consists of a solid core of vascular tissues. 
C)  occurs only in the roots. 
D)  has a series of discrete strands around a central pith. 
E)  has leaf gaps. 
A)  is the most primitive type of stele. 
B)  consists of a solid core of vascular tissues. 
C)  occurs only in the roots. 
D)  has a series of discrete strands around a central pith. 
E)  has leaf gaps.

Exam 17: Seedless Vascular Plants

Tracheids most likely evolved from vessel elements.

Which sequence of events most likely describes the evolution of megaphylls?

The conducting cells of the phloem are called:

The main tissue systems of the vascular plant are the ______ systems.

In angiosperms and most gymnosperms, the entire megagametophyte is the pollen grain.

Lycopodium differs from Selaginella and Isoetes in that Lycopodium:

Sporocarps are produced by members of the genus Marsilea.

______ is a water fern that bears sporangia on submerged, rootlike leaves.

The Zosterophyllophyta differ from the Rhyniophyta in that the Zosterophyllophyta:

The prothallus of Polypodiopsida is a(n):

The thick trunk of tree ferns is due to the functioning of a vascular cambium.

Selaginella is homosporous, with bisexual gametophytes.

In the club moss life cycle:

Microphylls are associated with stems possessing protosteles.

In a eusporangium, the initials divide by the formation of walls parallel to the surface.

Which of the following is NOT an evolutionary trend in the vascular plants?

A eusporangiate fern with a leaf having two parts-a vegetative portion and a fertile portion-belongs to the:

All ferns other than Psilotopsida and Marattiopsida are leptosporangiate.

In Lycopodium, the sporangia are borne on microsporophylls and megasporophylls.

The siphonostele of ferns:

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

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

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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