Question 1

The cell walls of fungal hyphae contain the polysaccharide

Accepted Answer

A)  chitin. 
B)  cellulose. 
C)  lignin. 
D)  silica. 
E)  pectin. 
A)  chitin. 
B)  cellulose. 
C)  lignin. 
D)  silica. 
E)  pectin. A

Question 2

In what way do fungal decomposers contribute to Earth's carbon cycle?

Accepted Answer

A)  They use CO2 during photosynthesis. 
B)  They sequester carbon on the forest floor preventing it from entering the atmosphere. 
C)  They return carbon atoms to the atmosphere in the form of respiratory CO2. 
D)  Fungal decomposers aren't involved in Earth's carbon cycle. 
E)  Both a and b 
A)  They use CO2 during photosynthesis. 
B)  They sequester carbon on the forest floor preventing it from entering the atmosphere. 
C)  They return carbon atoms to the atmosphere in the form of respiratory CO2. 
D)  Fungal decomposers aren't involved in Earth's carbon cycle. 
E)  Both a and b C

Question 3

The cells of the body of a multicellular fungus are organized into rapidly growing individual tubular filaments called

Accepted Answer

A)  dikaryons. 
B)  hyphae. 
C)  rhizoids. 
D)  mycelia. 
E)  None of the above 
A)  dikaryons. 
B)  hyphae. 
C)  rhizoids. 
D)  mycelia. 
E)  None of the above B

Question 4

The sister groups to the fungi are the _______ and the _______.

Accepted Answer

choanoflag

Question 5

The portion of the fungus that is involved directly in the formation of a lichen is the

Accepted Answer

A)  fruiting body. 
B)  mycelium. 
C)  spore. 
D)  spore case. 
E)  blue-green bacteria. 
A)  fruiting body. 
B)  mycelium. 
C)  spore. 
D)  spore case. 
E)  blue-green bacteria.

Question 6

Use the following to answer questions:
Match the groups of fungi in the list below with the descriptions that follow. Each group may be used once, more than once, or not at all.

-Perforated cross-walls; found in terrestrial, marine, and freshwater habitats; includes baker's, or brewer's, yeast

Accepted Answer

A)  Zygomycota 
B)  Chytrids 
C)  Ascomycota 
D)  Basidiomycota 
E)  Glomeromycota 
A)  Zygomycota 
B)  Chytrids 
C)  Ascomycota 
D)  Basidiomycota 
E)  Glomeromycota

Question 7

_______ are organisms that live on dead matter.

Accepted Answer

A)  Parasites 
B)  Saprobes 
C)  Anaerobes 
D)  Aerobes 
E)  Autotrophs 
A)  Parasites 
B)  Saprobes 
C)  Anaerobes 
D)  Aerobes 
E)  Autotrophs

Question 8

Soredia (singular soredium) are reproductive structures found in some

Accepted Answer

A)  Zygomyceta. 
B)  Ascomyceta. 
C)  Basidiomyceta. 
D)  mycorrhizae. 
E)  lichens. 
A)  Zygomyceta. 
B)  Ascomyceta. 
C)  Basidiomyceta. 
D)  mycorrhizae. 
E)  lichens.

Question 9

The body of a multicellular fungus is called a _______. It is made up of _______ that may be septate or _______.

Accepted Answer

A)  hyphae; mycelium; rhizoids 
B)  mycelium; hyphae; rhizoids 
C)  rhizoid; mycelium; hyphae 
D)  mycelium; hyphae; coenocytic 
E)  hyphae; mycelium; coenocytic 
A)  hyphae; mycelium; rhizoids 
B)  mycelium; hyphae; rhizoids 
C)  rhizoid; mycelium; hyphae 
D)  mycelium; hyphae; coenocytic 
E)  hyphae; mycelium; coenocytic

Question 10

The fruiting bodies of Ascomycota have _______ hyphae, whereas those in Basidiomycota are _______.

Accepted Answer

A)  dikaryotic and haploid; only dikaryotic 
B)  dikaryotic; dikaryotic or haploid 
C)  dikaryotic; dikaryotic 
D)  haploid; dikaryotic 
E)  haploid; haploid or dikaryotic 
A)  dikaryotic and haploid; only dikaryotic 
B)  dikaryotic; dikaryotic or haploid 
C)  dikaryotic; dikaryotic 
D)  haploid; dikaryotic 
E)  haploid; haploid or dikaryotic

Question 11

Zygomycota

Accepted Answer

A)  produce only one diploid cell in their life cycle. 
B)  have many septa in their hyphal cells. 
C)  usually form a fleshy fruiting body. 
D)  reproduce sexually by the formation of sporangiophores. 
E)  have flagellated gametes. 
A)  produce only one diploid cell in their life cycle. 
B)  have many septa in their hyphal cells. 
C)  usually form a fleshy fruiting body. 
D)  reproduce sexually by the formation of sporangiophores. 
E)  have flagellated gametes.

Question 12

Approximately _______ percent of fungi are associated with lichens.

Accepted Answer

A)  2 
B)  12 
C)  20 
D)  50 
E)  80 
A)  2 
B)  12 
C)  20 
D)  50 
E)  80

Question 13

Mycorrhizae are mutualistic symbiotic associations of a fungus with

Accepted Answer

A)  an alga or a bacterium. 
B)  plant roots. 
C)  a lichen. 
D)  an animal. 
E)  another fungus. 
A)  an alga or a bacterium. 
B)  plant roots. 
C)  a lichen. 
D)  an animal. 
E)  another fungus.

Question 14

The chytrids are different from all other fungi in that

Accepted Answer

A)  they reproduce only asexually. 
B)  their haploid gametes have flagella. 
C)  they are the only parasitic fungi. 
D)  they contain a fruiting body. 
E)  they contain a thallus. 
A)  they reproduce only asexually. 
B)  their haploid gametes have flagella. 
C)  they are the only parasitic fungi. 
D)  they contain a fruiting body. 
E)  they contain a thallus.

Question 15

Individual filaments that anchor chytrids and some other fungi to their substrate are called _______.

Accepted Answer

The answer of Individual filaments that anchor chytrids and some...

Question 16

Which of the following is the best way to represent the ploidy of dikaryotic hyphae?

Accepted Answer

A)  1/2 n 
B)  n/n 
C)  n 
D)  n + n 
E)  2n 
A)  1/2 n 
B)  n/n 
C)  n 
D)  n + n 
E)  2n

Question 17

Which of the following fungi are included in the same taxonomic group?

Accepted Answer

A)  Cup fungi and bracket fungi 
B)  Truffles and morels 
C)  Amanita and powdery mildew 
D)  Black bread mold and pink bread mold 
E)  Dutch elm disease fungi and smut fungi 
A)  Cup fungi and bracket fungi 
B)  Truffles and morels 
C)  Amanita and powdery mildew 
D)  Black bread mold and pink bread mold 
E)  Dutch elm disease fungi and smut fungi

Question 18

Fungi can be parasitic on

Accepted Answer

A)  animals. 
B)  plants. 
C)  protists. 
D)  Both b and c 
E)  All of the above 
A)  animals. 
B)  plants. 
C)  protists. 
D)  Both b and c 
E)  All of the above

Question 19

The fungi of the most basal clade, the _______, were formerly classified as protists.

Accepted Answer

The answer of The fungi of the most basal clade,...

Question 20

Reduced parasitic fungi are likely to belong to the _______ group.

Accepted Answer

The answer of Reduced parasitic fungi are likely to belong...

Exam 30: Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

The cell walls of fungal hyphae contain the polysaccharide

In what way do fungal decomposers contribute to Earth's carbon cycle?

The cells of the body of a multicellular fungus are organized into rapidly growing individual tubular filaments called

The sister groups to the fungi are the _______ and the _______.

The portion of the fungus that is involved directly in the formation of a lichen is the

Use the following to answer questions: Match the groups of fungi in the list below with the descriptions that follow. Each group may be used once, more than once, or not at all. -Perforated cross-walls; found in terrestrial, marine, and freshwater habitats; includes baker's, or brewer's, yeast

_______ are organisms that live on dead matter.

Soredia (singular soredium) are reproductive structures found in some

The body of a multicellular fungus is called a _______. It is made up of _______ that may be septate or _______.

The fruiting bodies of Ascomycota have _______ hyphae, whereas those in Basidiomycota are _______.

Zygomycota

Approximately _______ percent of fungi are associated with lichens.

Mycorrhizae are mutualistic symbiotic associations of a fungus with

The chytrids are different from all other fungi in that

Individual filaments that anchor chytrids and some other fungi to their substrate are called _______.

Which of the following is the best way to represent the ploidy of dikaryotic hyphae?

Which of the following fungi are included in the same taxonomic group?

Fungi can be parasitic on

The fungi of the most basal clade, the _______, were formerly classified as protists.

Reduced parasitic fungi are likely to belong to the _______ group.

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Signaling and Communication

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

Reconstructing and Using Phylogenies

Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria and Archaea: the Prokaryotic Domains

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Function

Musculoskeletal Systems

Gas Exchange in Animals

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen

Animal Behavior

Ecology and the Distribution of Life

Population Ecology

Species Interaction and Coevolution

Community Ecology

Ecosystems and Global Ecology

Conservation Biology

Filters

The sister groups to the fungi are the _ and the _.

The body of a multicellular fungus is called a ___. It is made up of _ that may be septate or _____.

The fruiting bodies of Ascomycota have _ hyphae, whereas those in Basidiomycota are _.