Question 1

Both bryophytes and charophytes retain their multicellular embryos within the female gametophyte.

Accepted Answer

A) True 
 B)False

Question 2

The sporophyte epidermis of mosses contains stomata that resemble the stomata of vascular plants.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following statements about stomata is FALSE?

Accepted Answer

A) Each stoma is bordered by two guard cells. 
B) They aid in the uptake of CO2. 
C) They generate a flow of water between sporophyte and gametophyte. 
D) They occur in all bryophytes. 
E) They are sites of loss of water vapor. 
A) Each stoma is bordered by two guard cells. 
B) They aid in the uptake of CO2. 
C) They generate a flow of water between sporophyte and gametophyte. 
D) They occur in all bryophytes. 
E) They are sites of loss of water vapor.

Question 4

Hyaline cells are found in the _____ of ______.

Accepted Answer

A) rhizoids; Sphagnum 
B) rhizoids; Riccia 
C) leaves; Andreaea 
D) leaves; Marchantia 
E) leaves; Sphagnum 
A) rhizoids; Sphagnum 
B) rhizoids; Riccia 
C) leaves; Andreaea 
D) leaves; Marchantia 
E) leaves; Sphagnum

Question 5

Peat mosses belong to the phylum ______, class ______.

Accepted Answer

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

Question 6

Which of the following statements about sexual reproduction in bryophytes is FALSE?

Accepted Answer

A) Sperm are the only flagellated cells produced by bryophytes. 
B) The zygote is matrotrophic. 
C) Sex is governed by the distribution of sex chromosomes. 
D) In the antheridium, the spermatogenous cells are "sterile." 
E) Chemicals released from the archegonium attract sperm. 
A) Sperm are the only flagellated cells produced by bryophytes. 
B) The zygote is matrotrophic. 
C) Sex is governed by the distribution of sex chromosomes. 
D) In the antheridium, the spermatogenous cells are "sterile." 
E) Chemicals released from the archegonium attract sperm.

Question 7

The evolutionary relatedness between green algae and bryophytes is indicated by the observation that green algae contain ______ plastid(s) per cell and the reproductive cells of many bryophytes contain ______ plastid(s) per cell.

Accepted Answer

A) 1; 1 
B) 2; 2 
C) 1; 2 
D) 2; 1 
E) 3; 3 
A) 1; 1 
B) 2; 2 
C) 1; 2 
D) 2; 1 
E) 3; 3

Question 8

Which of the following statements concerning hornworts is FALSE?

Accepted Answer

A) Some gametophytes have chloroplasts containing a pyrenoid. 
B) A meristem develops between the foot and the sporangium. 
C) The sporophyte contains several layers of photosynthetic cells. 
D) The sporophyte is covered with a cuticle but lacks stomata. 
E) The sporophyte dehisces longitudinally. 
A) Some gametophytes have chloroplasts containing a pyrenoid. 
B) A meristem develops between the foot and the sporangium. 
C) The sporophyte contains several layers of photosynthetic cells. 
D) The sporophyte is covered with a cuticle but lacks stomata. 
E) The sporophyte dehisces longitudinally.

Question 9

The "cushiony" growth habit is characteristic of epiphytic mosses.["pattern" meant?]

Accepted Answer

A) True 
 B)False

Question 10

Matrotrophy refers to the:

Accepted Answer

A) attraction of sperm by the egg. 
B) nourishment of the zygote by the archegonium. 
C) transport of sugars through the placenta. 
D) division of the zygote within the venter. 
E) movement of sugars through plasmodesmata. 
A) attraction of sperm by the egg. 
B) nourishment of the zygote by the archegonium. 
C) transport of sugars through the placenta. 
D) division of the zygote within the venter. 
E) movement of sugars through plasmodesmata.

Question 11

______ is a liverwort that carries its gametangia on gametophores.

Accepted Answer

A) Frullania 
B) Marchantia 
C) Anthoceros 
D) Riccia 
E) Ricciocarpus 
A) Frullania 
B) Marchantia 
C) Anthoceros 
D) Riccia 
E) Ricciocarpus

Question 12

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

Accepted Answer

A) multicellular sporangia 
B) sporopollenin in spore walls 
C) tissues produced by an apical meristem 
D) retention of the embryo within an antheridium 
E) antheridia and archegonia with sterile jacket layers 
A) multicellular sporangia 
B) sporopollenin in spore walls 
C) tissues produced by an apical meristem 
D) retention of the embryo within an antheridium 
E) antheridia and archegonia with sterile jacket layers

Question 13

Some hornwort species form a symbiotic relationship with nitrogen-fixing bacteria.

Accepted Answer

A) True 
 B)False

Question 14

At maturity, the sporophyte of most bryophytes consists of the:

Accepted Answer

A) foot and seta only. 
B) seta and capsule only. 
C) capsule and calyptra only. 
D) foot, seta, and capsule. 
E) seta, capsule, and calyptra. 
A) foot and seta only. 
B) seta and capsule only. 
C) capsule and calyptra only. 
D) foot, seta, and capsule. 
E) seta, capsule, and calyptra.

Question 15

Anthoceros is an example of a:

Accepted Answer

A) moss. 
B) hornwort. 
C) leafy liverwort. 
D) thalloid liverwort. 
E) vascular plant. 
A) moss. 
B) hornwort. 
C) leafy liverwort. 
D) thalloid liverwort. 
E) vascular plant.

Question 16

Embryophytes are characterized by having:

Accepted Answer

A) few mitotic divisions between fertilization and meiosis. 
B) a multicellular embryo that has stomata. 
C) a multicellular, matrotrophic embryo. 
D) a dominant gametophyte generation. 
E) vascular tissues. 
A) few mitotic divisions between fertilization and meiosis. 
B) a multicellular embryo that has stomata. 
C) a multicellular, matrotrophic embryo. 
D) a dominant gametophyte generation. 
E) vascular tissues.

Question 17

Bryophytes were the first extant plant group to diverge from a monophyletic plant lineage.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following statements about bryophytes is FALSE?

Accepted Answer

A) They lack xylem and phloem. 
B) The cell walls of their water-conducting cells are lignified. 
C) They exhibit alternating heteromorphic generations. 
D) The sporophyte is usually nutritionally dependent on the gametophyte. 
E) The gametophyte is usually larger than the sporophyte. 
A) They lack xylem and phloem. 
B) The cell walls of their water-conducting cells are lignified. 
C) They exhibit alternating heteromorphic generations. 
D) The sporophyte is usually nutritionally dependent on the gametophyte. 
E) The gametophyte is usually larger than the sporophyte.

Question 19

Ambuchanania and Sphagnum are the two genera in the class Sphagnidae.

Accepted Answer

A) True 
 B)False

Question 20

Bryophytes produce preprophase bands similar to those found in charophycean algae.

Accepted Answer

A) True 
 B)False

Exam 16: Bryophytes

Both bryophytes and charophytes retain their multicellular embryos within the female gametophyte.

The sporophyte epidermis of mosses contains stomata that resemble the stomata of vascular plants.

Which of the following statements about stomata is FALSE?

Hyaline cells are found in the _____ of ______.

Peat mosses belong to the phylum ______, class ______.

Which of the following statements about sexual reproduction in bryophytes is FALSE?

The evolutionary relatedness between green algae and bryophytes is indicated by the observation that green algae contain ______ plastid(s) per cell and the reproductive cells of many bryophytes contain ______ plastid(s) per cell.

Which of the following statements concerning hornworts is FALSE?

The "cushiony" growth habit is characteristic of epiphytic mosses.["pattern" meant?]

Matrotrophy refers to the:

______ is a liverwort that carries its gametangia on gametophores.

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

Some hornwort species form a symbiotic relationship with nitrogen-fixing bacteria.

At maturity, the sporophyte of most bryophytes consists of the:

Anthoceros is an example of a:

Embryophytes are characterized by having:

Bryophytes were the first extant plant group to diverge from a monophyletic plant lineage.

Which of the following statements about bryophytes is FALSE?

Ambuchanania and Sphagnum are the two genera in the class Sphagnidae.

Bryophytes produce preprophase bands similar to those found in charophycean algae.

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

Hyaline cells are found in the _ of __.

Peat mosses belong to the phylum , class .

The evolutionary relatedness between green algae and bryophytes is indicated by the observation that green algae contain plastid(s) per cell and the reproductive cells of many bryophytes contain plastid(s) per cell.