Question 1

Which of the following statements about primary growth is FALSE?

Accepted Answer

A) It occurs close to the tips of stems and roots. 
B) It is initiated by the apical meristems. 
C) It primarily leads to thickening of the plant body. 
D) It gives rise to primary tissues. 
E) It gives rise to the primary plant body. 
A) It occurs close to the tips of stems and roots. 
B) It is initiated by the apical meristems. 
C) It primarily leads to thickening of the plant body. 
D) It gives rise to primary tissues. 
E) It gives rise to the primary plant body. C

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

Trichomanes speciosum is an example of a fern:

Accepted Answer

A) lacking a sporophyte stage. 
B) lacking a gametophyte stage. 
C) lacking gemmae. 
D) producing thalloid sporophytes. 
E) producing filamentous sporophytes. 
A) lacking a sporophyte stage. 
B) lacking a gametophyte stage. 
C) lacking gemmae. 
D) producing thalloid sporophytes. 
E) producing filamentous sporophytes. A

Question 4

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 5

The tapetum of a leptosporangium consists of two layers.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following statements about sporophylls in the club mosses is FALSE?

Accepted Answer

A) They are modified leaves. 
B) They are borne on the gametophyte. 
C) They bear sporangia. 
D) They may be interspersed among sterile microphylls. 
E) They may be grouped into strobili. 
A) They are modified leaves. 
B) They are borne on the gametophyte. 
C) They bear sporangia. 
D) They may be interspersed among sterile microphylls. 
E) They may be grouped into strobili.

Question 7

Psilotum is a _______ fern belonging to the order _______.

Accepted Answer

A) eusporangiate; Psilotales. 
B) eusporangiate; Psilotopsida. 
C) leptosporangiate; Psilotales. 
D) leptosporangiate; Psilotopsida 
E) leptosporangiate; Ophioglossales 
A) eusporangiate; Psilotales. 
B) eusporangiate; Psilotopsida. 
C) leptosporangiate; Psilotales. 
D) leptosporangiate; Psilotopsida 
E) leptosporangiate; Ophioglossales

Question 8

In contrast to a eusporangium, a leptosporangium:

Accepted Answer

A) arises from a single initial cell. 
B) produces more spores. 
C) has a tapetum that is one cell layer thick. 
D) is larger. 
E) arises from one or more surface cells. 
A) arises from a single initial cell. 
B) produces more spores. 
C) has a tapetum that is one cell layer thick. 
D) is larger. 
E) arises from one or more surface cells.

Question 9

Members of the phylum ______ probably evolved directly from the rhyniophytes and most likely are the ancestors of the ferns and progymnosperms.

Accepted Answer

A) Pteridophyta 
B) Lycopodiophyta 
C) Trimerophytophyta 
D) Zosterophyllophyta 
E) Sphenophyta 
A) Pteridophyta 
B) Lycopodiophyta 
C) Trimerophytophyta 
D) Zosterophyllophyta 
E) Sphenophyta

Question 10

Which of the following statements about the Equisetum life cycle is FALSE?

Accepted Answer

A) Sporangia are borne along the margins of sporangiophores. 
B) Spore dispersal is facilitated by elaters similar to those of Marchantia. 
C) Gametophytes may be bisexual. 
D) Sperm are multiflagellated. 
E) Gametophytes are green and free-living.
True-False Questions 
A) Sporangia are borne along the margins of sporangiophores. 
B) Spore dispersal is facilitated by elaters similar to those of Marchantia. 
C) Gametophytes may be bisexual. 
D) Sperm are multiflagellated. 
E) Gametophytes are green and free-living.
True-False Questions

Question 11

Which of the following is NOT one of the major lineages of the Monilophyta?

Accepted Answer

A) Equisetopsida 
B) Marattiopsida 
C) Zosterophyllopsida 
D) Polypodiopsida 
E) Psilotopsida 
A) Equisetopsida 
B) Marattiopsida 
C) Zosterophyllopsida 
D) Polypodiopsida 
E) Psilotopsida

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Tracheids differ from vessel elements in that tracheids:

Accepted Answer

A) have lignified thickenings. 
B) are less-specialized cells. 
C) are a type of tracheary element. 
D) conduct water and minerals. 
E) provide support. 
A) have lignified thickenings. 
B) are less-specialized cells. 
C) are a type of tracheary element. 
D) conduct water and minerals. 
E) provide support.

Question 14

The great height reached by some vascular plants was made possible by the evolution of the ability to synthesize lignin.

Accepted Answer

A) True 
 B)False

Question 15

A eustele has a pith, but a siphonostele does not.

Accepted Answer

A) True 
 B)False

Question 16

Tracheids most likely evolved from vessel elements.

Accepted Answer

A) True 
 B)False

Question 17

Three of the phyla of seedless vascular plants-Rhyniophyta, Zosterophyllophyta, and Trimerophytophyta-had become extinct by the end of the Devonian period.

Accepted Answer

A) True 
 B)False

Question 18

Antheridiogens are water-soluble substances that affect sex expression.

Accepted Answer

A) True 
 B)False

Question 19

Carinal canals and conspicuously jointed stems are characteristic of the:

Accepted Answer

A) club mosses. 
B) quillworts. 
C) whisk ferns. 
D) horsetails. 
E) resurrection plants. 
A) club mosses. 
B) quillworts. 
C) whisk ferns. 
D) horsetails. 
E) resurrection plants.

Question 20

Cooksonia, a member of the phylum ______, is the oldest known ______.

Accepted Answer

A) Psilotophyta; fern 
B) Rhyniophyta; vascular plant 
C) Rhyniophyta; protracheophyte 
D) Zosterophyllophyta; vascular plant 
E) Zosterophyllophyta; protracheophyte 
A) Psilotophyta; fern 
B) Rhyniophyta; vascular plant 
C) Rhyniophyta; protracheophyte 
D) Zosterophyllophyta; vascular plant 
E) Zosterophyllophyta; protracheophyte

Exam 17: Seedless Vascular Plants

Which of the following statements about primary growth is FALSE?

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

Trichomanes speciosum is an example of a fern:

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

The tapetum of a leptosporangium consists of two layers.

Which of the following statements about sporophylls in the club mosses is FALSE?

Psilotum is a _______ fern belonging to the order _______.

In contrast to a eusporangium, a leptosporangium:

Members of the phylum ______ probably evolved directly from the rhyniophytes and most likely are the ancestors of the ferns and progymnosperms.

Which of the following statements about the Equisetum life cycle is FALSE?

Which of the following is NOT one of the major lineages of the Monilophyta?

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

Tracheids differ from vessel elements in that tracheids:

The great height reached by some vascular plants was made possible by the evolution of the ability to synthesize lignin.

A eustele has a pith, but a siphonostele does not.

Tracheids most likely evolved from vessel elements.

Three of the phyla of seedless vascular plants-Rhyniophyta, Zosterophyllophyta, and Trimerophytophyta-had become extinct by the end of the Devonian period.

Antheridiogens are water-soluble substances that affect sex expression.

Carinal canals and conspicuously jointed stems are characteristic of the:

Cooksonia, a member of the phylum ______, is the oldest known ______.

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

Filters

Psilotum is a _ fern belonging to the order _.

Cooksonia, a member of the phylum , is the oldest known .