Question 1

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 2

Ectomycorrhizae differ from endomycorrhizae in that the fungal component of ectomycorrhizae:

Accepted Answer

A) is usually a zygomycete. 
B) forms arbuscules and vesicles. 
C) is not highly specific for the plant component. 
D) penetrates the cortical cells of the root. 
E) forms a Hartig net and mantle.
True-False Questions 
A) is usually a zygomycete. 
B) forms arbuscules and vesicles. 
C) is not highly specific for the plant component. 
D) penetrates the cortical cells of the root. 
E) forms a Hartig net and mantle.
True-False Questions

Question 3

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 4

The pileus is the ______ of a mushroom.

Accepted Answer

A) stalk 
B) cap 
C) gill 
D) sterigma 
E) hymenium 
A) stalk 
B) cap 
C) gill 
D) sterigma 
E) hymenium

Question 5

Heterokaryosis is the presence of ______ in a common cytoplasm.

Accepted Answer

A) more than one nucleus 
B) genetically different nuclei 
C) a haploid and a diploid nucleus 
D) two haploid nuclei 
E) two diploid nuclei 
A) more than one nucleus 
B) genetically different nuclei 
C) a haploid and a diploid nucleus 
D) two haploid nuclei 
E) two diploid nuclei

Question 6

Saccharomyces cerevisiae has both haploid and diploid budding stages.

Accepted Answer

A) True 
 B)False

Question 7

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.

Question 8

Which of the following statements about fungi is FALSE?

Accepted Answer

A) They are heterotrophic organisms. 
B) Most are multicellular. 
C) They are more closely related to plants than to animals. 
D) The largest living organism may be a fungus. 
E) Only the insects have a greater number of species. 
A) They are heterotrophic organisms. 
B) Most are multicellular. 
C) They are more closely related to plants than to animals. 
D) The largest living organism may be a fungus. 
E) Only the insects have a greater number of species.

Question 9

Which of the following statements about fungal nutrition is FALSE?

Accepted Answer

A) Fungi are able to engulf small microorganisms. 
B) All fungi are heterotrophic. 
C) Yeasts are able to obtain their energy from fermentation. 
D) Rhizoids are hyphae specialized for anchorage. 
E) Haustoria are hyphae specialized for absorbing nutrients directly from the cells of other organisms. 
A) Fungi are able to engulf small microorganisms. 
B) All fungi are heterotrophic. 
C) Yeasts are able to obtain their energy from fermentation. 
D) Rhizoids are hyphae specialized for anchorage. 
E) Haustoria are hyphae specialized for absorbing nutrients directly from the cells of other organisms.

Question 10

The three major recognized growth forms of lichens are flat, spherical, and leafy.

Accepted Answer

A) True 
 B)False

Question 11

Allomyces is a type of:

Accepted Answer

A) ascomycete. 
B) basidiomycete. 
C) chytrid.. 
D) zygomycete. 
E) glomeromycete. 
A) ascomycete. 
B) basidiomycete. 
C) chytrid.. 
D) zygomycete. 
E) glomeromycete.

Question 12

Glycogen is the primary storage polysaccharide in fungi.

Accepted Answer

A) True 
 B)False

Question 13

A mycorrhiza is a symbiotic association between a(n) ______ and a ______.

Accepted Answer

A) alga; fungus 
B) fungus; root 
C) lichen; root 
D) alga; root 
E) fungus; lichen 
A) alga; fungus 
B) fungus; root 
C) lichen; root 
D) alga; root 
E) fungus; lichen

Question 14

Fungi and bacteria are the principal decomposers of the biosphere.

Accepted Answer

A) True 
 B)False

Question 15

Ectomycorrhizae are much more common in nature than endomycorrhizae.

Accepted Answer

A) True 
 B)False

Question 16

Ustilago maydis is a basidiomycete that causes corn smut.

Accepted Answer

A) True 
 B)False

Question 17

"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 18

Karyogamy is the:

Accepted Answer

A) fusion of protoplasts. 
B) formation of a dikaryon. 
C) fusion of nuclei. 
D) formation of rhizoids. 
E) absorption of nutrients. 
A) fusion of protoplasts. 
B) formation of a dikaryon. 
C) fusion of nuclei. 
D) formation of rhizoids. 
E) absorption of nutrients.

Question 19

A ______ is a representative of the hymenomycetes.

Accepted Answer

A) stinkhorn 
B) puffball 
C) rust 
D) smut 
E) mushroom 
A) stinkhorn 
B) puffball 
C) rust 
D) smut 
E) mushroom

Question 20

Hyphae are types of fungal:

Accepted Answer

A) spores. 
B) zygotes. 
C) storage products. 
D) filaments. 
E) cell wall components. 
A) spores. 
B) zygotes. 
C) storage products. 
D) filaments. 
E) cell wall components.

Exam 14: Fungi

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

Ectomycorrhizae differ from endomycorrhizae in that the fungal component of ectomycorrhizae:

In the mushroom life cycle, karyogamy occurs in a:

The pileus is the ______ of a mushroom.

Heterokaryosis is the presence of ______ in a common cytoplasm.

Saccharomyces cerevisiae has both haploid and diploid budding stages.

The smuts belong to the subphylum:

Which of the following statements about fungi is FALSE?

Which of the following statements about fungal nutrition is FALSE?

The three major recognized growth forms of lichens are flat, spherical, and leafy.

Allomyces is a type of:

Glycogen is the primary storage polysaccharide in fungi.

A mycorrhiza is a symbiotic association between a(n) ______ and a ______.

Fungi and bacteria are the principal decomposers of the biosphere.

Ectomycorrhizae are much more common in nature than endomycorrhizae.

Ustilago maydis is a basidiomycete that causes corn smut.

"Fruticose" describes a lichen with a ______ appearance.

Karyogamy is the:

A ______ is a representative of the hymenomycetes.

Hyphae are types of fungal:

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

Filters

A mycorrhiza is a symbiotic association between a(n) and a .