Question 1

The smuts belong to the subphylum:

Accepted Answer

A)  Hymenomycetes. 
B)  Pucciniomycotina. 
C)  Ustilaginomycotina. 
D)  Gasteromycetes. 
E)  Agaricomycotina. 
A)  Hymenomycetes. 
B)  Pucciniomycotina. 
C)  Ustilaginomycotina. 
D)  Gasteromycetes. 
E)  Agaricomycotina. C

Question 2

In heterokaryosis, genetically different nuclei exist together in the same cytoplasm.

Accepted Answer

A) True 
 B)False  True

Question 3

In fungi, budding is a type of asexual reproduction.

Accepted Answer

A) True 
 B)False  True

Question 4

In the Ustilago maydis life cycle, plasmogamy and karyogamy take place in:

Accepted Answer

A)  basidia. 
B)  teliospores. 
C)  sporidia. 
D)  spermogonia. 
E)  aecia. 
A)  basidia. 
B)  teliospores. 
C)  sporidia. 
D)  spermogonia. 
E)  aecia.

Question 5

Fungi and bacteria are the principal decomposers of the biosphere.

Accepted Answer

A) True 
 B)False

Question 6

_____ are characterized by the presence of a polar tube that shoots out and penetrates the host cell.

Accepted Answer

A)  Zygomycetes 
B)  Basidiomycetes 
C)  Microsporidia 
D)  Ascomycetes 
E)  Chytrids 
A)  Zygomycetes 
B)  Basidiomycetes 
C)  Microsporidia 
D)  Ascomycetes 
E)  Chytrids

Question 7

The edible mushrooms belong to the subphylum:

Accepted Answer

A)  Hymenomycetes. 
B)  Pucciniomycotina. 
C)  Ustilaginomycotina. 
D)  Agaricomycotina. 
E)  Gasteromycetes. 
A)  Hymenomycetes. 
B)  Pucciniomycotina. 
C)  Ustilaginomycotina. 
D)  Agaricomycotina. 
E)  Gasteromycetes.

Question 8

In the mushroom life cycle, karyogamy occurs in a:

Accepted Answer

A)  stipe. 
B)  volva. 
C)  sterigma. 
D)  basidium. 
E)  basidiospore. 
A)  stipe. 
B)  volva. 
C)  sterigma. 
D)  basidium. 
E)  basidiospore.

Question 9

At maturity, basidiospores are discharged forcibly from the basidium.

Accepted Answer

A) True 
 B)False

Question 10

The survival of lichens under severe environmental conditions is due mainly to their ability to:

Accepted Answer

A)  produce toxic compounds for their defense. 
B)  dry out rapidly. 
C)  carry out photosynthesis under very high light intensities. 
D)  carry out respiration at very low temperatures. 
E)  parasitize plants. 
A)  produce toxic compounds for their defense. 
B)  dry out rapidly. 
C)  carry out photosynthesis under very high light intensities. 
D)  carry out respiration at very low temperatures. 
E)  parasitize plants.

Question 11

"Fruticose" describes a lichen with a ______ appearance.

Accepted Answer

A)  flattened 
B)  greenish-yellow 
C)  crusty 
D)  leaflike 
E)  bushy 
A)  flattened 
B)  greenish-yellow 
C)  crusty 
D)  leaflike 
E)  bushy

Question 12

Most chytrids are terrestrial.

Accepted Answer

A) True 
 B)False

Question 13

Glycogen is the primary storage polysaccharide in fungi.

Accepted Answer

A) True 
 B)False

Question 14

Isidia are powdery propagules produced by lichens.

Accepted Answer

A) True 
 B)False

Question 15

Isedia and soredia are types of:

Accepted Answer

A)  sexual reproductive structures. 
B)  gametes. 
C)  dispersal units. 
D)  lichen acids. 
E)  mycobionts. 
A)  sexual reproductive structures. 
B)  gametes. 
C)  dispersal units. 
D)  lichen acids. 
E)  mycobionts.

Question 16

The rusts belong to the subphylum:

Accepted Answer

A)  Hymenomycetes. 
B)  Pucciniomycotina. 
C)  Ustilaginomycotina. 
D)  Gasteromycetes. 
E)  Agaricomycotina. 
A)  Hymenomycetes. 
B)  Pucciniomycotina. 
C)  Ustilaginomycotina. 
D)  Gasteromycetes. 
E)  Agaricomycotina.

Question 17

In the life cycle of Rhizopus stolonifer, asexual spores are produced within a:

Accepted Answer

A)  zygosporangium. 
B)  stolon. 
C)  rhizoid. 
D)  sporangium. 
E)  sporangiophore. 
A)  zygosporangium. 
B)  stolon. 
C)  rhizoid. 
D)  sporangium. 
E)  sporangiophore.

Question 18

Fungi that cause powdery mildews, chestnut blight, and Dutch elm disease are classified as:

Accepted Answer

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

Question 19

Which of the following statements concerning the evolution of fungi is FALSE?

Accepted Answer

A)  They are more closely related to animals than to plants. 
B)  They are part of the Opisthokonta supergroup. 
C)  They arose from a protist related to Nuclearia. 
D)  The flagellated condition is a relatively recent character. 
E)  There are relatively few fossil fungi. 
A)  They are more closely related to animals than to plants. 
B)  They are part of the Opisthokonta supergroup. 
C)  They arose from a protist related to Nuclearia. 
D)  The flagellated condition is a relatively recent character. 
E)  There are relatively few fossil fungi.

Question 20

All members of the _______form mycorrhizae and do not reproduce sexually

Accepted Answer

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

Exam 14: Fungi

The smuts belong to the subphylum:

In heterokaryosis, genetically different nuclei exist together in the same cytoplasm.

In fungi, budding is a type of asexual reproduction.

In the Ustilago maydis life cycle, plasmogamy and karyogamy take place in:

Fungi and bacteria are the principal decomposers of the biosphere.

_____ are characterized by the presence of a polar tube that shoots out and penetrates the host cell.

The edible mushrooms belong to the subphylum:

In the mushroom life cycle, karyogamy occurs in a:

At maturity, basidiospores are discharged forcibly from the basidium.

The survival of lichens under severe environmental conditions is due mainly to their ability to:

"Fruticose" describes a lichen with a ______ appearance.

Most chytrids are terrestrial.

Glycogen is the primary storage polysaccharide in fungi.

Isidia are powdery propagules produced by lichens.

Isedia and soredia are types of:

The rusts belong to the subphylum:

In the life cycle of Rhizopus stolonifer, asexual spores are produced within a:

Fungi that cause powdery mildews, chestnut blight, and Dutch elm disease are classified as:

Which of the following statements concerning the evolution of fungi is FALSE?

All members of the _______form mycorrhizae and do not reproduce sexually

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

Protists: Algae and Heterotrophic Protists

Bryophytes

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

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