Question 1

Peat mosses normally release hydroxide ions, thereby raising the pH of their environment.

Accepted Answer

A) True 
 B)False

Question 2

Most liverworts develop close symbiotic associations with the:

Accepted Answer

A) zygomycetes. 
B) ascomycetes. 
C) glomeromycetes. 
D) chytrids. 
E) basidiomycetes. 
A) zygomycetes. 
B) ascomycetes. 
C) glomeromycetes. 
D) chytrids. 
E) basidiomycetes.

Question 3

The upper portion of a thalloid liverwort is thinner than the lower portion.

Accepted Answer

A) True 
 B)False

Question 4

The "true mosses" belong to the phylum ______, class ______.

Accepted Answer

A) Bryophyta; Sphagnidae 
B) Bryophyta; Andreaeidae 
C) Bryophyta; Bryidae 
D) Hepatophyta; Sphagnidae 
E) Hepatophyta; Bryidae 
A) Bryophyta; Sphagnidae 
B) Bryophyta; Andreaeidae 
C) Bryophyta; Bryidae 
D) Hepatophyta; Sphagnidae 
E) Hepatophyta; Bryidae

Question 5

In the Bryidae, gametophytes are borne on the sporophytes.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following statements about bryophytes is FALSE?

Accepted Answer

A) They may be "thalloid" or "leafy." 
B) Some species contain strands with conducting functions. 
C) They do not have true stems and leaves. 
D) They have rhizoids that absorb water and nutrients. 
E) Some species have plasmodesmata with a desmotubule. 
A) They may be "thalloid" or "leafy." 
B) Some species contain strands with conducting functions. 
C) They do not have true stems and leaves. 
D) They have rhizoids that absorb water and nutrients. 
E) Some species have plasmodesmata with a desmotubule.

Question 7

Bryophytes are transitional between the charophycean algae and vascular plants.

Accepted Answer

A) True 
 B)False

Question 8

In bryophytes, rhizoids usually:

Accepted Answer

A) absorb ions. 
B) absorb water. 
C) attach to the substrate 
D) are unicellular. 
E) are true roots. 
A) absorb ions. 
B) absorb water. 
C) attach to the substrate 
D) are unicellular. 
E) are true roots.

Question 9

The base of the bryophyte archegonium, called the ______, contains ______.

Accepted Answer

A) placenta; a single egg 
B) capsule; spermatogenous cells 
C) calyptra; several eggs 
D) venter; a single egg 
E) seta; spermatogenous cells 
A) placenta; a single egg 
B) capsule; spermatogenous cells 
C) calyptra; several eggs 
D) venter; a single egg 
E) seta; spermatogenous cells

Question 10

What is the function of hydroids?

Accepted Answer

A) anchoring the gametophyte 
B) photosynthesis 
C) aiding in spore dispersal 
D) conducting water 
E) conducting food 
A) anchoring the gametophyte 
B) photosynthesis 
C) aiding in spore dispersal 
D) conducting water 
E) conducting food

Question 11

The protonema of Andreaea consists of ______ of cells.

Accepted Answer

A) a single row 
B) two or more rows 
C) a two-layer-thick plate 
D) a one-layer-thick plate 
E) two overlapping plates 
A) a single row 
B) two or more rows 
C) a two-layer-thick plate 
D) a one-layer-thick plate 
E) two overlapping plates

Question 12

When bryophyte spores germinate, they first form juvenile developmental stages called rhizoids.

Accepted Answer

A) True 
 B)False

Question 13

Hadrom contains:

Accepted Answer

A) gametes. 
B) food-conducting cells. 
C) water-conducting cells. 
D) spores. 
E) degenerate nuclei. 
A) gametes. 
B) food-conducting cells. 
C) water-conducting cells. 
D) spores. 
E) degenerate nuclei.

Question 14

The sporophyte of Anthoceros lacks a seta.

Accepted Answer

A) True 
 B)False

Question 15

In bryophytes, fertilization takes places in the:

Accepted Answer

A) open water. 
B) capsule. 
C) seta. 
D) antheridium. 
E) archegonium. 
A) open water. 
B) capsule. 
C) seta. 
D) antheridium. 
E) archegonium.

Question 16

After they germinate, bryophyte spores first give rise to:

Accepted Answer

A) hyphae. 
B) archegonia. 
C) rhizoids. 
D) protonema. 
E) antheridia. 
A) hyphae. 
B) archegonia. 
C) rhizoids. 
D) protonema. 
E) antheridia.

Question 17

The ______ is embedded in the archegonium.

Accepted Answer

A) foot 
B) seta 
C) capsule 
D) neck canal 
E) sporangium 
A) foot 
B) seta 
C) capsule 
D) neck canal 
E) sporangium

Question 18

A perianth is characteristically found in the:

Accepted Answer

A) thalloid liverworts. 
B) hornworts. 
C) mosses. 
D) leafy liverworts. 
E) genus Marchantia. 
A) thalloid liverworts. 
B) hornworts. 
C) mosses. 
D) leafy liverworts. 
E) genus Marchantia.

Question 19

A peristome is a capsular structure characteristic of members of the phylum ______, class ______.

Accepted Answer

A) Bryophyta; Sphagnidae 
B) Bryophyta; Andreaeidae 
C) Bryophyta; Bryidae 
D) Hepatophyta; Sphagnidae 
E) Hepatophyta; Bryidae 
A) Bryophyta; Sphagnidae 
B) Bryophyta; Andreaeidae 
C) Bryophyta; Bryidae 
D) Hepatophyta; Sphagnidae 
E) Hepatophyta; Bryidae

Question 20

The function of elaters is to:

Accepted Answer

A) help disperse spores. 
B) help disperse gemmae. 
C) strengthen the spore wall. 
D) conduct water and nutrients through the plant body. 
E) support the archegoniophores. 
A) help disperse spores. 
B) help disperse gemmae. 
C) strengthen the spore wall. 
D) conduct water and nutrients through the plant body. 
E) support the archegoniophores.

Exam 16: Bryophytes

Peat mosses normally release hydroxide ions, thereby raising the pH of their environment.

Most liverworts develop close symbiotic associations with the:

The upper portion of a thalloid liverwort is thinner than the lower portion.

The "true mosses" belong to the phylum ______, class ______.

In the Bryidae, gametophytes are borne on the sporophytes.

Which of the following statements about bryophytes is FALSE?

Bryophytes are transitional between the charophycean algae and vascular plants.

In bryophytes, rhizoids usually:

The base of the bryophyte archegonium, called the ______, contains ______.

What is the function of hydroids?

The protonema of Andreaea consists of ______ of cells.

When bryophyte spores germinate, they first form juvenile developmental stages called rhizoids.

Hadrom contains:

The sporophyte of Anthoceros lacks a seta.

In bryophytes, fertilization takes places in the:

After they germinate, bryophyte spores first give rise to:

The ______ is embedded in the archegonium.

A perianth is characteristically found in the:

A peristome is a capsular structure characteristic of members of the phylum ______, class ______.

The function of elaters is to:

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

Seedless Vascular Plants

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

The "true mosses" belong to the phylum , class .

The base of the bryophyte archegonium, called the , contains .

A peristome is a capsular structure characteristic of members of the phylum , class .