Question 1

The annulus is most directly involved in:

Accepted Answer

A)  providing mineral ions to the capsule. 
B)  discharging spores. 
C)  protecting against dessication. 
D)  water uptake. 
E)  photosynthesis. 
A)  providing mineral ions to the capsule. 
B)  discharging spores. 
C)  protecting against dessication. 
D)  water uptake. 
E)  photosynthesis.

Question 2

The vertical growth of the plant is an example of primary growth.

Accepted Answer

A) True 
 B)False

Question 3

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 4

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. 
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.

Question 5

Which of the following is NOT a characteristic shared by bryophytes and vascular plants?

Accepted Answer

A)  multicellular embryos 
B)  a charophycean-alga-like ancestor 
C)  a monophyletic lineage 
D)  dominant gametophytes 
E)  an alternation of heteromorphic generations 
A)  multicellular embryos 
B)  a charophycean-alga-like ancestor 
C)  a monophyletic lineage 
D)  dominant gametophytes 
E)  an alternation of heteromorphic generations

Question 6

Microphylls differ from megaphylls in that microphylls:

Accepted Answer

A)  occur in most vascular plants. 
B)  are associated with leaf gaps. 
C)  are associated with protosteles. 
D)  have branched veins. 
E)  evolved from branch systems. 
A)  occur in most vascular plants. 
B)  are associated with leaf gaps. 
C)  are associated with protosteles. 
D)  have branched veins. 
E)  evolved from branch systems.

Question 7

In ferns, antheridiogens induce antheridia in _______ gametophytes.

Accepted Answer

A)  all 
B)  larger, less mature 
C)  smaller, less mature 
D)  larger, more mature 
E)  smaller, more mature 
A)  all 
B)  larger, less mature 
C)  smaller, less mature 
D)  larger, more mature 
E)  smaller, more mature

Question 8

In the Selaginella life cycle, the archegonia:

Accepted Answer

A)  protrude through the megasporophyll. 
B)  protrude through a rupture in the megaspore wall. 
C)  develop on the microsporophyll. 
D)  develop from the suspensor. 
E)  cause the microsporangial wall to rupture. 
A)  protrude through the megasporophyll. 
B)  protrude through a rupture in the megaspore wall. 
C)  develop on the microsporophyll. 
D)  develop from the suspensor. 
E)  cause the microsporangial wall to rupture.

Question 9

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 10

Which of the following statements about quillworts is FALSE?

Accepted Answer

A)  They have a short, fleshy above-ground stem. 
B)  They have a specialized cambium. 
C)  Some obtain carbon for photosynthesis from sediments. 
D)  Some have CAM photosynthesis. 
E)  Each leaf is a potential sporophyll. 
A)  They have a short, fleshy above-ground stem. 
B)  They have a specialized cambium. 
C)  Some obtain carbon for photosynthesis from sediments. 
D)  Some have CAM photosynthesis. 
E)  Each leaf is a potential sporophyll.

Question 11

Roots.

Accepted Answer

A)  Ophioglossum 
B)  Botryichium 
C)  Tmesipteris 
D)  Zostera 
E)  Lycopodium 
A)  Ophioglossum 
B)  Botryichium 
C)  Tmesipteris 
D)  Zostera 
E)  Lycopodium

Question 12

The innermost wall layer of a eusporangium is called the:

Accepted Answer

A)  rachis. 
B)  tapetum. 
C)  annulus. 
D)  lip cell. 
E)  sporocarp. 
A)  rachis. 
B)  tapetum. 
C)  annulus. 
D)  lip cell. 
E)  sporocarp.

Question 13

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 14

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 15

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

Accepted Answer

A) True 
 B)False

Question 16

Each leaf of Isoetes is a potential sporophyll, capable of bearing either megasporangia or microsporangia.

Accepted Answer

A) True 
 B)False

Question 17

The blade of a megaphyll contains only a single vein.

Accepted Answer

A) True 
 B)False

Question 18

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 19

The vascular tissue system is embedded in the ground tissue system.

Accepted Answer

A) True 
 B)False

Question 20

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.

Exam 17: Seedless Vascular Plants

The annulus is most directly involved in:

The vertical growth of the plant is an example of primary growth.

In contrast to a eusporangium, a leptosporangium:

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

Which of the following is NOT a characteristic shared by bryophytes and vascular plants?

Microphylls differ from megaphylls in that microphylls:

In ferns, antheridiogens induce antheridia in _______ gametophytes.

In the Selaginella life cycle, the archegonia:

Carinal canals and conspicuously jointed stems are characteristic of the:

Which of the following statements about quillworts is FALSE?

Roots.

The innermost wall layer of a eusporangium is called the:

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

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

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

Each leaf of Isoetes is a potential sporophyll, capable of bearing either megasporangia or microsporangia.

The blade of a megaphyll contains only a single vein.

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

The vascular tissue system is embedded in the ground tissue system.

Which of the following statements about primary growth is FALSE?

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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