Question 1

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 2

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 3

______ is one of the many mushrooms cultivated commercially.

Accepted Answer

A) Agaricus bisporus 
B) Aaspergillus flavus 
C) Amanita muscaria 
D) Puccinia graminis 
E) Ustilago maydis 
A) Agaricus bisporus 
B) Aaspergillus flavus 
C) Amanita muscaria 
D) Puccinia graminis 
E) Ustilago maydis

Question 4

Heterothallic species of zygomycetes require ______ for sexual reproduction.

Accepted Answer

A) two + strains 
B) two − strains 
C) + and − strains 
D) two homothallic strains 
E) flagellated male and female gametes 
A) two + strains 
B) two − strains 
C) + and − strains 
D) two homothallic strains 
E) flagellated male and female gametes

Question 5

Mycologists consider mushrooms to be edible and toadstools to be poisonous.

Accepted Answer

A) True 
 B)False

Question 6

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 7

In ascomycetes, plasmogamy occurs within the:

Accepted Answer

A) antheridium. 
B) crozier. 
C) ascogonium. 
D) ascogenous hypha. 
E) trichogyne. 
A) antheridium. 
B) crozier. 
C) ascogonium. 
D) ascogenous hypha. 
E) trichogyne.

Question 8

Black stem rust of cereals belongs to the subphylum Pucciniomycotina.

Accepted Answer

A) True 
 B)False

Question 9

At maturity, basidiospores are discharged forcibly from the basidium.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following statements about the mycelium of the Basidiomycota is FALSE?

Accepted Answer

A) The primary mycelium is monokaryotic. 
B) The secondary mycelium is dikaryotic. 
C) The tertiary mycelium is dikaryotic. 
D) Clamp connections are characteristic of the monokaryotic mycelium. 
E) The basidioma is a mycelium composed of dikaryotic hyphae. 
A) The primary mycelium is monokaryotic. 
B) The secondary mycelium is dikaryotic. 
C) The tertiary mycelium is dikaryotic. 
D) Clamp connections are characteristic of the monokaryotic mycelium. 
E) The basidioma is a mycelium composed of dikaryotic hyphae.

Question 11

In the life cycle of Puccinia graminis, which of the following are produced on wheat?

Accepted Answer

A) spermogonia 
B) aecia 
C) spermatia 
D) periphyses 
E) urediniospores 
A) spermogonia 
B) aecia 
C) spermatia 
D) periphyses 
E) urediniospores

Question 12

______ are probably the earliest fungal lineage.

Accepted Answer

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

Question 13

In the rust Puccinia graminis, meiosis occurs in a teliospore.

Accepted Answer

A) True 
 B)False

Question 14

_____ 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 15

Clamp connections are found only in members of the Phylum Basidiomycota.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following statements about lichens is FALSE?

Accepted Answer

A) They consist of a mycobiont and a photobiont. 
B) They live in the harshest environments. 
C) They are very resistant to pollutants. 
D) They reproduce asexually by forming fragments, soredia, or isidia. 
E) They have very slow growth rates. 
A) They consist of a mycobiont and a photobiont. 
B) They live in the harshest environments. 
C) They are very resistant to pollutants. 
D) They reproduce asexually by forming fragments, soredia, or isidia. 
E) They have very slow growth rates.

Question 17

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 18

Which of the following statements about the Deuteromycetes is FALSE?

Accepted Answer

A) In some, the sexual phase of the life cycle has been lost. 
B) In some, the sexual phase of the life cycle has not been discovered. 
C) Some have a sexual phase, but it is not the principal basis of classification. 
D) Some have a sexual phase, but the organism is classified because of its resemblance to an organism that lacks a sexual phase. 
E) Most Deuteromycetes are clearly basidiomycetes. 
A) In some, the sexual phase of the life cycle has been lost. 
B) In some, the sexual phase of the life cycle has not been discovered. 
C) Some have a sexual phase, but it is not the principal basis of classification. 
D) Some have a sexual phase, but the organism is classified because of its resemblance to an organism that lacks a sexual phase. 
E) Most Deuteromycetes are clearly basidiomycetes.

Question 19

The first eukaryote to have its genome completely sequenced is:

Accepted Answer

A) Pneumocystis carinii. 
B) Saccharomyces cerevisiae. 
C) Candida. 
D) Tolypocladium inflatum. 
E) Cladosporium herbarum. 
A) Pneumocystis carinii. 
B) Saccharomyces cerevisiae. 
C) Candida. 
D) Tolypocladium inflatum. 
E) Cladosporium herbarum.

Question 20

Glomeromycetes are also called arbuscular mycorrhizal fungi.

Accepted Answer

A) True 
 B)False

Exam 14: Fungi

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

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

______ is one of the many mushrooms cultivated commercially.

Heterothallic species of zygomycetes require ______ for sexual reproduction.

Mycologists consider mushrooms to be edible and toadstools to be poisonous.

The edible mushrooms belong to the subphylum:

In ascomycetes, plasmogamy occurs within the:

Black stem rust of cereals belongs to the subphylum Pucciniomycotina.

At maturity, basidiospores are discharged forcibly from the basidium.

Which of the following statements about the mycelium of the Basidiomycota is FALSE?

In the life cycle of Puccinia graminis, which of the following are produced on wheat?

______ are probably the earliest fungal lineage.

In the rust Puccinia graminis, meiosis occurs in a teliospore.

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

Clamp connections are found only in members of the Phylum Basidiomycota.

Which of the following statements about lichens is FALSE?

The rusts belong to the subphylum:

Which of the following statements about the Deuteromycetes is FALSE?

The first eukaryote to have its genome completely sequenced is:

Glomeromycetes are also called arbuscular mycorrhizal fungi.

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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