Question 1

The rusts and smuts that seriously affect crop plants are

Accepted Answer

A)  ascomycetes.
B)  zygomycetes.
C)  chytrids.
D)  basidiomycetes.E) A) and B)
F) A) and C)

Question 2

Recent phylogenetic analysis has provided evidence to justify classifying microsporidians as fungi.

Accepted Answer

A) True 
 B)False  True

Question 3

The fungi that cause serious plant disease, such as Dutch elm disease and chestnut blight, belong to the phylum

Accepted Answer

A)  Ascomycota.
B)  Zygomycota.
C)  Imperfect fungi.
D)  Basidiomycota.E) A) and B)
F) A) and C) A

Question 4

Asexual reproduction in ascomycetes takes place by means of

Accepted Answer

A)  ascogonia.
B)  ascospores.
C)  conidia.
D)  motile gametes.E) A) and B)
F) A) and C)

Question 5

Select the incorrect statement related to fungi.

Accepted Answer

A)  All fungi secrete digestive enzymes and practice external digestion.
B)  Some fungi can break down cellulose into its glucose subunits.In addition, some fungi are predaceous.
C)  One method of reproduction in fungi is by flagellated sperm.Water is a requirement for those particular fungi to reproduce.
D)  Some fungi are able to grow to many hectares in size.E) A) and B)
F) A) and C)

Question 6

Which one of the following terms best applies to the fungus participant in a typical lichen?

Accepted Answer

A)  Mutualist
B)  Ectomycorrhizal fungus
C)  Arbuscular mycorrhizal fungus
D)  EpiparasiteE) C) and D)
F) B) and C)

Question 7

A mycologist visits your biology class and discusses her research on a particular fungus that lives on the bark of damaged spruce trees.She explains that the fungal hyphae of her research organism is heterokaryotic.You raise your hand and request that she define that word.Her correct response is

Accepted Answer

A)  heterokaryotic means that the nuclei of the fungal hyphae are genetically the same.
B)  heterokaryotic means that the nuclei of each compartment of the hyphae are genetically distinct.
C)  heterokaryotic means that each compartment of the hyphae contain two distinct nuclei.
D)  heterokaryotic means that each compartment of the hyphae contains only one nucleus.E) A) and C)
F) B) and C)

Question 8

Fungi exist mainly in the form of slender filaments, barely visible to the naked eye, which are called _______.

Accepted Answer

Hyphae

Question 9

Ectomycorrhizae, associations in which the fungal hyphae surround but do not penetrate the cell walls of the plant roots, usually involve

Accepted Answer

A)  ascomycetes.
B)  basidiomycetes.
C)  zygomycetes.
D)  ascomycetes and basidiomycetes.E) A) and B)
F) All of the above

Question 10

A mature walled ascus of an ascomycete usually contains

Accepted Answer

A)  eight diploid nuclei.
B)  eight haploid nuclei.
C)  many multinucleate conidia.
D)  an egg and a sperm.E) A) and B)
F) B) and C)

Question 11

A type of fungi that has been long useful for baking, brewing, and wine making, and is now becoming very important in genetic research is _____.

Accepted Answer

The answer of A type of fungi that has been...

Question 12

A division of fungi that lacks septa in their hyphae except when they form sporangia or gametangia is the

Accepted Answer

A)  ascomycetes.
B)  zygomycetes.
C)  chytridomycetes
D)  basidiomycetes.E) A) and D)
F) None of the above

Question 13

A nonphotosynthetic plant sharing a mycorrhizal fungus with a photosynthetic plant is best described as a

Accepted Answer

A)  mutualist.
B)  epiparasite.
C)  parasite.
D)  host.E) A) and B)
F) None of the above

Question 14

The symbiotic relationship between green algae or cyanobacteria and fungi produce _________________.

Accepted Answer

The answer of The symbiotic relationship between green algae or...

Question 15

Which molecule would be an indicator of fungal contamination in a drug preparation?

Accepted Answer

A)  Cellulose
B)  Collagen
C)  Chitin
D)  DeoxyriboseE) None of the above
F) B) and C)

Question 16

Which of the following fungi usually form arbuscular mycorrhizal associations in which the outer cells of the plant roots are penetrated by the fungal hyphae?

Accepted Answer

A)  ascomycetes
B)  glomeromycetes
C)  deuteromycetes
D)  basidiomycetesE) A) and C)
F) A) and B)

Question 17

Specialized symbiotic associations between the roots of plants and fungi are called

Accepted Answer

A)  lichens.
B)  hyphal associations.
C)  heterokaryotic junctions.
D)  mycorrhizae.E) A) and B)
F) None of the above

Question 18

In the life cycle of a zygomycete, after the zygospore is formed, the next event will be

Accepted Answer

A)  mitosis.
B)  meiosis.
C)  plasmogamy.
D)  karyogamy.E) A) and B)
F) C) and D)

Question 19

A symbiotic association between a fungus and a green alga or a cyanobacterium is called a

Accepted Answer

A)  lichen.
B)  mycorrhiza.
C)  protist.
D)  kelp.E) A) and B)
F) B) and D)

Question 20

All of the following are reproductive structures found in some fungi except

Accepted Answer

A)  ascus.
B)  basidium.
C)  sporangiophore.
D)  mycorrhiza.E) A) and B)
F) A) and C)

Exam 32: Fungi

The rusts and smuts that seriously affect crop plants are

Correct AnswerverifiedShow Answer

Recent phylogenetic analysis has provided evidence to justify classifying microsporidians as fungi.

Correct AnswerverifiedTrue

The fungi that cause serious plant disease, such as Dutch elm disease and chestnut blight, belong to the phylum

Correct AnswerverifiedA

Asexual reproduction in ascomycetes takes place by means of

Correct AnswerverifiedShow Answer

Select the incorrect statement related to fungi.

Correct AnswerverifiedShow Answer

Which one of the following terms best applies to the fungus participant in a typical lichen?

Correct AnswerverifiedShow Answer

A mycologist visits your biology class and discusses her research on a particular fungus that lives on the bark of damaged spruce trees.She explains that the fungal hyphae of her research organism is heterokaryotic.You raise your hand and request that she define that word.Her correct response is

Correct AnswerverifiedShow Answer

Fungi exist mainly in the form of slender filaments, barely visible to the naked eye, which are called _______.

Correct AnswerverifiedHyphae

Ectomycorrhizae, associations in which the fungal hyphae surround but do not penetrate the cell walls of the plant roots, usually involve

Correct AnswerverifiedShow Answer

A mature walled ascus of an ascomycete usually contains

Correct AnswerverifiedShow Answer

A type of fungi that has been long useful for baking, brewing, and wine making, and is now becoming very important in genetic research is _____.

Correct AnswerverifiedShow Answer

A division of fungi that lacks septa in their hyphae except when they form sporangia or gametangia is the

Correct AnswerverifiedShow Answer

A nonphotosynthetic plant sharing a mycorrhizal fungus with a photosynthetic plant is best described as a

Correct AnswerverifiedShow Answer

The symbiotic relationship between green algae or cyanobacteria and fungi produce _________________.

Correct AnswerverifiedShow Answer

Which molecule would be an indicator of fungal contamination in a drug preparation?

Correct AnswerverifiedShow Answer

Which of the following fungi usually form arbuscular mycorrhizal associations in which the outer cells of the plant roots are penetrated by the fungal hyphae?

Correct AnswerverifiedShow Answer

Specialized symbiotic associations between the roots of plants and fungi are called

Correct AnswerverifiedShow Answer

In the life cycle of a zygomycete, after the zygospore is formed, the next event will be

Correct AnswerverifiedShow Answer

A symbiotic association between a fungus and a green alga or a cyanobacterium is called a

Correct AnswerverifiedShow Answer

All of the following are reproductive structures found in some fungi except

Correct AnswerverifiedShow Answer

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Hyphae

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