Question 1

Which of the following is used commercially as a soil conditioner?

Accepted Answer

A)  Marchantia 
B)  Mnium 
C)  Cladonia 
D)  Sphagnum 
E)  Polytrichum 
A)  Marchantia 
B)  Mnium 
C)  Cladonia 
D)  Sphagnum 
E)  Polytrichum

Question 2

The one-celled anchoring structures present on the lower surface of a thalloid liverwort are

Accepted Answer

A)  roots. 
B)  rhizines. 
C)  rhizoids. 
D)  mycorrhizae. 
E)  trichomes. 
A)  roots. 
B)  rhizines. 
C)  rhizoids. 
D)  mycorrhizae. 
E)  trichomes.

Question 3

Structures with spiral thickenings that facilitate the release of spores from a liverwort capsule are

Accepted Answer

A)  gemmae. 
B)  elaters. 
C)  spore mother cells. 
D)  spiroids. 
E)  spore-ejectors. 
A)  gemmae. 
B)  elaters. 
C)  spore mother cells. 
D)  spiroids. 
E)  spore-ejectors.

Question 4

Bryophyte zygotes develop into embryos.

Accepted Answer

A) True 
 B)False

Question 5

Chloroplast number and the presence of pyrenoids in each chloroplast indicate that ________ are only distantly related to the other bryophyte groups.

Accepted Answer

A)  leafy liverworts 
B)  hornworts 
C)  peat mosses 
D)  thalloid liverworts 
E)  bog mosses 
A)  leafy liverworts 
B)  hornworts 
C)  peat mosses 
D)  thalloid liverworts 
E)  bog mosses

Question 6

Which of the following are the lens-shaped pieces of tissue that are produced in cups on a liverwort thallus and become detached to develop independently?

Accepted Answer

A)  "leaves" 
B)  buds 
C)  gemmae 
D)  protonemata 
E)  None of these answers are correct. 
A)  "leaves" 
B)  buds 
C)  gemmae 
D)  protonemata 
E)  None of these answers are correct.

Question 7

A hornwort sporophyte grows from its base by means of a meristem.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following are sterile hairs scattered among moss archegonia and antheridia?

Accepted Answer

A)  rhizoids 
B)  paraphyses 
C)  mycorrhizae 
D)  moss processes 
E)  None of these answers are correct. 
A)  rhizoids 
B)  paraphyses 
C)  mycorrhizae 
D)  moss processes 
E)  None of these answers are correct.

Question 9

Since the sperm of mosses are not flagellated, mosses can grow in dry habitats.

Accepted Answer

A) True 
 B)False

Question 10

The flattened appendages whose presence is hidden, when viewed from above, by two rows of partially overlapping "leaves" in "leafy" liverworts are called

Accepted Answer

A)  underleaves. 
B)  flattened appendages. 
C)  plano-enations. 
D)  plattblatter. 
E)  plattefeuilles. 
A)  underleaves. 
B)  flattened appendages. 
C)  plano-enations. 
D)  plattblatter. 
E)  plattefeuilles.

Question 11

Paraphyses are sterile hairs found in mosses.

Accepted Answer

A) True 
 B)False

Question 12

The mother cells within the sporangia on the sporophyte plant undergo ________ to produce spores.

Accepted Answer

A)  fertilization 
B)  meiosis 
C)  mitosis 
D)  cell division 
E)  sexual reproduction 
A)  fertilization 
B)  meiosis 
C)  mitosis 
D)  cell division 
E)  sexual reproduction

Question 13

Most mosses reproduce asexually by means of gemmae.

Accepted Answer

A) True 
 B)False

Question 14

A moss protonema

Accepted Answer

A)  has the n number of chromosomes in each cell. 
B)  is a part of the sporophyte generation. 
C)  produces gametes. 
D)  is saprophytic like a fungus. 
E)  produces spores. 
A)  has the n number of chromosomes in each cell. 
B)  is a part of the sporophyte generation. 
C)  produces gametes. 
D)  is saprophytic like a fungus. 
E)  produces spores.

Question 15

Which of the following bryophytes has a sporophyte with a meristem just above the foot?

Accepted Answer

A)  "leafy" liverworts 
B)  thalloid liverworts 
C)  peat mosses 
D)  hornworts 
E)  rock mosses 
A)  "leafy" liverworts 
B)  thalloid liverworts 
C)  peat mosses 
D)  hornworts 
E)  rock mosses

Question 16

The function of the gametangia on the gametophyte plant is to produce gametes by the process of

Accepted Answer

A)  asexual reproduction. 
B)  sexual reproduction. 
C)  meiosis. 
D)  fragmentation. 
E)  mitosis. 
A)  asexual reproduction. 
B)  sexual reproduction. 
C)  meiosis. 
D)  fragmentation. 
E)  mitosis.

Question 17

A unique feature of plants in the plant kingdom that is NOT shared with the green algae is ________.

Accepted Answer

A)  chlorophyll a and b 
B)  cell walls primarily of cellulose 
C)  multicellular gametangia 
D)  primary food reserve stored as starch 
E)  All of these features are found in both the plant kingdom and green algae. 
A)  chlorophyll a and b 
B)  cell walls primarily of cellulose 
C)  multicellular gametangia 
D)  primary food reserve stored as starch 
E)  All of these features are found in both the plant kingdom and green algae.

Question 18

Bryophytes have an alternation of generations in which the ________ is the dominant generation, unlike vascular plants where the ________ is the dominant generation.

Accepted Answer

A)  sporophyte; gametophyte 
B)  gametophyte; haplophyte 
C)  gametophyte; sporophyte 
D)  sporophyte; diplophyte 
E)  sporophyte; sporophyte 
A)  sporophyte; gametophyte 
B)  gametophyte; haplophyte 
C)  gametophyte; sporophyte 
D)  sporophyte; diplophyte 
E)  sporophyte; sporophyte

Question 19

A peat moss can absorb water many times its weight.

Accepted Answer

A) True 
 B)False

Question 20

The pores and cavities of the thalli of liverworts are filled with

Accepted Answer

A)  air. 
B)  mucilage. 
C)  nitrogen-fixing blue-green bacteria. 
D)  food-storage cells. 
E)  reproductive cells. 
A)  air. 
B)  mucilage. 
C)  nitrogen-fixing blue-green bacteria. 
D)  food-storage cells. 
E)  reproductive cells.

Exam 20: Introduction to the Plant Kingdom: Bryophytes

Which of the following is used commercially as a soil conditioner?

The one-celled anchoring structures present on the lower surface of a thalloid liverwort are

Structures with spiral thickenings that facilitate the release of spores from a liverwort capsule are

Bryophyte zygotes develop into embryos.

Chloroplast number and the presence of pyrenoids in each chloroplast indicate that ________ are only distantly related to the other bryophyte groups.

Which of the following are the lens-shaped pieces of tissue that are produced in cups on a liverwort thallus and become detached to develop independently?

A hornwort sporophyte grows from its base by means of a meristem.

Which of the following are sterile hairs scattered among moss archegonia and antheridia?

Since the sperm of mosses are not flagellated, mosses can grow in dry habitats.

The flattened appendages whose presence is hidden, when viewed from above, by two rows of partially overlapping "leaves" in "leafy" liverworts are called

Paraphyses are sterile hairs found in mosses.

The mother cells within the sporangia on the sporophyte plant undergo ________ to produce spores.

Most mosses reproduce asexually by means of gemmae.

A moss protonema

Which of the following bryophytes has a sporophyte with a meristem just above the foot?

The function of the gametangia on the gametophyte plant is to produce gametes by the process of

A unique feature of plants in the plant kingdom that is NOT shared with the green algae is ________.

Bryophytes have an alternation of generations in which the ________ is the dominant generation, unlike vascular plants where the ________ is the dominant generation.

A peat moss can absorb water many times its weight.

The pores and cavities of the thalli of liverworts are filled with

What Is Plant Biology

The Nature of Life

Cells

Tissues

Roots and Soils

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Plant Metabolism

Growth

Meiosis and Alternation of Generation

Genetics

Plant Breeding and Propagation

Evolution

Plant Names and Classification

Domain Kingdom Bacteria, Domain Kingdom Archaea, and Viruses

Kingdom Protista

Kingdom Fungi

The Seedless Vascular Plants - Ferns and Their Relatives

Introduction to Seed Plants: Gymnosperms

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

Filters

Bryophytes have an alternation of generations in which the is the dominant generation, unlike vascular plants where the is the dominant generation.