Question 1

Predatory fungi may trap prey by means of

Accepted Answer

A)  poisonous spores that stun and kill the prey. 
B)  sticky substances secreted by hyphae. 
C)  mycorrhizae. 
D)  ectomycorrhizae. 
E)  Both a and b 
A)  poisonous spores that stun and kill the prey. 
B)  sticky substances secreted by hyphae. 
C)  mycorrhizae. 
D)  ectomycorrhizae. 
E)  Both a and b

Question 2

The absorptive heterotrophy of fungi is aided by

Accepted Answer

A)  dikaryon formation. 
B)  spore formation. 
C)  their parasitic nature. 
D)  their large surface area-to-volume ratio. 
E)  their chloroplasts. 
A)  dikaryon formation. 
B)  spore formation. 
C)  their parasitic nature. 
D)  their large surface area-to-volume ratio. 
E)  their chloroplasts.

Question 3

Cereal grains are parasitized by rusts and smuts,which are classified as

Accepted Answer

A)  mycorrhizae. 
B)  Ascomycota. 
C)  Basidiomycota. 
D)  Microsporidia. 
E)  lichens. 
A)  mycorrhizae. 
B)  Ascomycota. 
C)  Basidiomycota. 
D)  Microsporidia. 
E)  lichens.

Question 4

While walking through the woods,you collect two different fungi from a frog.Upon returning to your lab,you try to culture the fungi.One of the organisms can grow on artificial medium;the other cannot.What can you determine from this result?

Accepted Answer

A)  Both fungi are obligate parasites. 
B)  Both fungi are facultative parasites. 
C)  One fungus is a facultative parasite;the other is an obligate parasite. 
D)  The fungus that grew cannot be parasitic. 
E)  You cannot determine anything from this result. 
A)  Both fungi are obligate parasites. 
B)  Both fungi are facultative parasites. 
C)  One fungus is a facultative parasite;the other is an obligate parasite. 
D)  The fungus that grew cannot be parasitic. 
E)  You cannot determine anything from this result.

Question 5

An unknown organism can be identified as a fungus if it

Accepted Answer

A)  is multicellular and nonphotosynthetic. 
B)  has cell walls and reproduces by spores. 
C)  has filamentous growth and obtains its food by absorption. 
D)  has prokaryotic cells and cell walls made of chitin. 
E)  is unicellular and eukaryotic. 
A)  is multicellular and nonphotosynthetic. 
B)  has cell walls and reproduces by spores. 
C)  has filamentous growth and obtains its food by absorption. 
D)  has prokaryotic cells and cell walls made of chitin. 
E)  is unicellular and eukaryotic.

Question 6

Club fungi

Accepted Answer

A)  have no visible fruiting structures. 
B)  have hyphae without septa. 
C)  have no sexual stage. 
D)  produce basidia within basidiospores. 
E)  form haploid basidiospores. 
A)  have no visible fruiting structures. 
B)  have hyphae without septa. 
C)  have no sexual stage. 
D)  produce basidia within basidiospores. 
E)  form haploid basidiospores.

Question 7

Which of the following is not a form of asexual reproduction in fungi?

Accepted Answer

A)  Simple breakage of the mycelium 
B)  Production of haploid spores 
C)  Production of conidia 
D)  Budding and fission 
E)  Production of a zygospore 
A)  Simple breakage of the mycelium 
B)  Production of haploid spores 
C)  Production of conidia 
D)  Budding and fission 
E)  Production of a zygospore

Question 8

Dikaryotic cells

Accepted Answer

A)  have two hyphae per fruiting body. 
B)  contain pairs of homologous chromosomes. 
C)  produce two spores per hypha. 
D)  contain two nuclei per cell. 
E)  contain diploid nuclei. 
A)  have two hyphae per fruiting body. 
B)  contain pairs of homologous chromosomes. 
C)  produce two spores per hypha. 
D)  contain two nuclei per cell. 
E)  contain diploid nuclei.

Question 9

A sexually produced spore that buds from the surface of a basidium is a(n)

Accepted Answer

A)  zygospore. 
B)  ascospore. 
C)  sporangiophore. 
D)  basidiospore. 
E)  zoospore. 
A)  zygospore. 
B)  ascospore. 
C)  sporangiophore. 
D)  basidiospore. 
E)  zoospore.

Question 10

Assume that one haploid nucleus of a fungus with a dikaryotic life cycle contains 16 chromosomes.How many chromosomes would a basidiospore of this fungus contain?

Accepted Answer

A)  4 
B)  8 
C)  16 
D)  32 
E)  64 
A)  4 
B)  8 
C)  16 
D)  32 
E)  64

Question 11

In which of the following fungal structures are septa never present?

Accepted Answer

A)  Septa 
B)  Mycelium 
C)  Hypha 
D)  Coenocytic hyphae 
E)  Fruiting structure 
A)  Septa 
B)  Mycelium 
C)  Hypha 
D)  Coenocytic hyphae 
E)  Fruiting structure

Question 12

Which group below may not be monophyletic?

Accepted Answer

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

Question 13

Lichens are _______ associations of a fungus with _______.

Accepted Answer

A)  symbiotic;an alga or a bacterium 
B)  saprobic;an alga or a bacterium 
C)  parasitic;an alga or a bacterium 
D)  symbiotic;plant roots 
E)  parasitic;plant roots 
A)  symbiotic;an alga or a bacterium 
B)  saprobic;an alga or a bacterium 
C)  parasitic;an alga or a bacterium 
D)  symbiotic;plant roots 
E)  parasitic;plant roots

Question 14

Fungi have a larger surface area-to-volume ratio than do most other multicellular organisms because

Accepted Answer

A)  most hyphae need to be in close contact with the food source. 
B)  an individual mycelium can grow very large. 
C)  hyphae grow together to form a mycelium. 
D)  most fungi are microscopic organisms. 
E)  chitinous cell walls are more permeable than cellulose cell walls. 
A)  most hyphae need to be in close contact with the food source. 
B)  an individual mycelium can grow very large. 
C)  hyphae grow together to form a mycelium. 
D)  most fungi are microscopic organisms. 
E)  chitinous cell walls are more permeable than cellulose cell walls.

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

Fungi that appear to reproduce only asexually are

Accepted Answer

A)  chytrids. 
B)  Zygomycota. 
C)  Ascomycota. 
D)  Basidiomycota. 
E)  Glomeromycota. 
A)  chytrids. 
B)  Zygomycota. 
C)  Ascomycota. 
D)  Basidiomycota. 
E)  Glomeromycota.

Question 17

Lichens obtain organic carbon

Accepted Answer

A)  by photosynthesis. 
B)  by engulfing other organisms. 
C)  by absorbing it from the environment. 
D)  from decaying organic material. 
E)  by parasitizing flowering plants. 
A)  by photosynthesis. 
B)  by engulfing other organisms. 
C)  by absorbing it from the environment. 
D)  from decaying organic material. 
E)  by parasitizing flowering plants.

Question 18

A biologist who is examining some skin tissue from a dead fish notes the presence of a fungus.She cultures some of the fungal cells and notices that the gamete cells are flagellated.She concludes that the fish has a fungal disease caused by a(n)

Accepted Answer

A)  ascomycota. 
B)  glomeromycota. 
C)  zygomycota. 
D)  chytridiomycota. 
E)  basidiomycota. 
A)  ascomycota. 
B)  glomeromycota. 
C)  zygomycota. 
D)  chytridiomycota. 
E)  basidiomycota.

Question 19

The body of a multicellular fungus is called a

Accepted Answer

A)  dikaryon. 
B)  hypha. 
C)  rhizoid. 
D)  mycelium. 
E)  haustoria. 
A)  dikaryon. 
B)  hypha. 
C)  rhizoid. 
D)  mycelium. 
E)  haustoria.

Question 20

Motile gametes are found in

Accepted Answer

A)  Zygomycota. 
B)  Glomeromycota. 
C)  chytrids. 
D)  sac fungi. 
E)  Basidiomycota. 
A)  Zygomycota. 
B)  Glomeromycota. 
C)  chytrids. 
D)  sac fungi. 
E)  Basidiomycota.

Exam 22: The Evolution and Diversity of Fungi

Predatory fungi may trap prey by means of

The absorptive heterotrophy of fungi is aided by

Cereal grains are parasitized by rusts and smuts,which are classified as

While walking through the woods,you collect two different fungi from a frog.Upon returning to your lab,you try to culture the fungi.One of the organisms can grow on artificial medium;the other cannot.What can you determine from this result?

An unknown organism can be identified as a fungus if it

Club fungi

Which of the following is not a form of asexual reproduction in fungi?

Dikaryotic cells

A sexually produced spore that buds from the surface of a basidium is a(n)

Assume that one haploid nucleus of a fungus with a dikaryotic life cycle contains 16 chromosomes.How many chromosomes would a basidiospore of this fungus contain?

In which of the following fungal structures are septa never present?

Which group below may not be monophyletic?

Lichens are _______ associations of a fungus with _______.

Fungi have a larger surface area-to-volume ratio than do most other multicellular organisms because

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

Fungi that appear to reproduce only asexually are

Lichens obtain organic carbon

A biologist who is examining some skin tissue from a dead fish notes the presence of a fungus.She cultures some of the fungal cells and notices that the gamete cells are flagellated.She concludes that the fish has a fungal disease caused by a(n)

The body of a multicellular fungus is called a

Motile gametes are found in

Introduction

The Chemistry and Energy of Life

Nucleic Acids, Proteins, and Enzymes

Cells: the Working Units of Life

Cell Membranes and Signaling

Pathways That Harvest and Store Chemical Energy

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

DNA and Its Role in Heredity

From Dna to Protein: Gene Expression

Regulation of Gene Expression

Genomes

Biotechnology

Genes, Development, and Evolution

Processes of Evolution

Reconstructing and Using Phylogenies

Speciation

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

The Evolution of Plants

Animal Origins and Diversity

The Plant Body

Plant Nutrition and Transport

Plant Growth and Development

Reproduction of Flowering Plants

Plants in the Environment

Fundamentals of Animal Function

Nutrition and Digestion

Breathing

Circulation

Muscle and Movement

Neurons, Sense Organs, and Nervous Systems

Nervous and Endocrine Control

Water and Salts: Excretion

Animal Reproduction

Animal Development

Immunology: Animal Defense Systems

Animal Behavior

The Distribution of Earths Ecological Systems

Populations

Ecological and Evolutionary Consequences of Interactions Within and Among Species

Ecological Communities

The Global Ecosystem

Filters

Lichens are _ associations of a fungus with _.