Question 1

After a parasitic fungus invades leaf tissue, the hyphae form branching projections called _______ that push into the living plant cells and absorb their nutrients.

Accepted Answer

The answer of After a parasitic fungus invades leaf tissue,...

Question 2

A mycorrhiza is

Accepted Answer

A)   a specialized type of lichen.
B)   the fruiting structure of a basidiomycota.
C)   a symbiotic association between a fungus and cyanobacterium or green algae.
D)   a reproductive stage of sac fungi.
E)   a symbiotic association between a fungus and a plant.

Question 3

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.

-Common name is club fungi; complete cross-walls; includes puffballs, mushrooms, wheat rust, smut fungi, mycorrhizae

Accepted Answer

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

Question 4

One adaptation that fungi have for absorptive nutrition, in which nutrients are absorbed across the cell surfaces, is

Accepted Answer

A)   lack of a cell wall.
B)   a low surface area-to-volume ratio.
C)   a high surface area-to-volume ratio.
D)   tolerance of low temperatures.
E)   tolerance of high temperatures.

Question 5

Which of the following scientific groups is correctly matched with its correct common name?

Accepted Answer

A)   Chytrids - microspore fungi
B)   Zygomycota - sac fungi
C)   Glomeromycota - mycorrhizial fungi
D)   Basidiomycota - sac fungi
E)   Ascomycota - club fungi

Question 6

Lichens are

Accepted Answer

A)   a single organism.
B)   prevalent in industrialized cities.
C)   plant cells in association with fungal cells.
D)   rapid growers.
E)   most often a unicellular green alga in association with fungal cells.

Question 7

Which of the following statements about fungal nutrition is false?

Accepted Answer

A)   Some fungi can obtain everything they need to grow from dead organic matter.
B)   Sugars are the preferred carbon and energy source in fungi.
C)   Some fungi are nitrogen fixers.
D)   Fungi can use nitrate as their source of nitrogen.
E)   Fungi cannot synthesize some vitamins.

Question 8

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.

-Reproduce asexually-no evidence yet of sexual reproduction

Accepted Answer

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

Question 9

Use the following to answer questions :
Refer to the diagram below, showing the life cycle of an Ascomycota fungus. 
-What is the dispersal stage of the fungus? Identify its label.

Accepted Answer

The answer of Use the following to answer questions :
Refer...

Question 10

Which of the following statements about sexual reproduction in Basidiomycota is true?

Accepted Answer

A)   Spores are borne in asci.
B)   All hyphae are haploid.
C)   The fruiting structure is diploid.
D)   The only diploid cells are those that contain fused nuclei.
E)   Spores are diploid.

Question 11

The life cycle of some Ascomycota and Basidiomycota is unusual in that

Accepted Answer

A)   there are no gametes.
B)   the dikaryotic condition can persist for years.
C)   the diploid state predominates.
D)   meiosis does not take place.
E)   Both a and b

Question 12

A major role of saprobic fungi in terrestrial ecosystems is to

Accepted Answer

A)   trap atmospheric CO2.
B)   break down carbon compounds.
C)   parasitize animals.
D)   parasitize plants.
E)   form symbiotic mutualist relationships with plants.

Question 13

Members of the zygospore fungi

Accepted Answer

A)   have hyphae without regularly occurring septa.
B)   produce motile gametes.
C)   form fleshy fruiting bodies.
D)   are haploid throughout their life cycle.
E)   have sexual reproductive structures similar to those of the sac fungi.

Question 14

Fungi are absorptive heterotrophs. Which of the following is an adaptation that greatly aids this mode of nutrient procurement?

Accepted Answer

A)   Dikaryosis
B)   A large surface area-to-volume ratio
C)   Conjugation
D)   A complex life cycle
E)   a small surface area-to-volume ratio

Question 15

Early taxonomists considered fungi to be members of the plant kingdom. What evidence indicates that they are in fact more closely related to animals?

Accepted Answer

At the cellular level, fungi bear very l...

Question 16

Which of the following is thought to be the most ancient group?

Accepted Answer

A)   Penicillium
B)   Fusarium
C)   Saccharomyces
D)   Aspergillus
E)   Allomyces

Question 17

Use the following to answer questions:
Match the correct term from the list below with the following descriptions of fungal interactions. Each term may be used once, more than once, or not at all.

-Black stem rust draws nutrition from wheat and damages the wheat plant.

Accepted Answer

A)   Saprobic
B)   Competitive
C)   Predatory
D)   Parasitic
E)   Mutualistic

Question 18

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

Question 19

The names of fungal groups are based on structures associated with

Accepted Answer

A)   sexual reproduction.
B)   nutrition.
C)   ecology.
D)   vegetative growth.
E)   cell division.

Question 20

The fusion of two different mating types forms a dikaryon that is a heterokaryon. The term "heterokaryon" refers to the fact that

Accepted Answer

A)   the hypha is haploid.
B)   two nuclei fused in the course of its formation.
C)   there are two genetically different nuclei in a single hypha.
D)   the two nuclei have fused into a zygote.
E)   None of the above

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

A mycorrhiza is

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Use the following to answer questions : Refer to the diagram below, showing the life cycle of an Ascomycota fungus. -What is the dispersal stage of the fungus? Identify its label.

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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. -Common name is club fungi; complete cross-walls; includes puffballs, mushrooms, wheat rust, smut fungi, mycorrhizae

Correct AnswerverifiedShow Answer

One adaptation that fungi have for absorptive nutrition, in which nutrients are absorbed across the cell surfaces, is

Correct AnswerverifiedShow Answer

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

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Which of the following statements about sexual reproduction in Basidiomycota is true?

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Which of the following is thought to be the most ancient group?

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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. -Reproduce asexually-no evidence yet of sexual reproduction

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Which of the following statements about fungal nutrition is false?

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After a parasitic fungus invades leaf tissue, the hyphae form branching projections called _______ that push into the living plant cells and absorb their nutrients.

Correct AnswerverifiedShow Answer

A major role of saprobic fungi in terrestrial ecosystems is to

Correct AnswerverifiedShow Answer

Which of the following scientific groups is correctly matched with its correct common name?

Correct AnswerverifiedShow Answer

Lichens are

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Early taxonomists considered fungi to be members of the plant kingdom. What evidence indicates that they are in fact more closely related to animals?

Correct AnswerverifiedAt the cellular level, fungi bear very l...View AnswerShow Answer

Members of the zygospore fungi

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Use the following to answer questions: Match the correct term from the list below with the following descriptions of fungal interactions. Each term may be used once, more than once, or not at all. -Black stem rust draws nutrition from wheat and damages the wheat plant.

Correct AnswerverifiedShow Answer

The life cycle of some Ascomycota and Basidiomycota is unusual in that

Correct AnswerverifiedShow Answer

Fungi are absorptive heterotrophs. Which of the following is an adaptation that greatly aids this mode of nutrient procurement?

Correct AnswerverifiedShow Answer

The names of fungal groups are based on structures associated with

Correct AnswerverifiedShow Answer

The fusion of two different mating types forms a dikaryon that is a heterokaryon. The term "heterokaryon" refers to the fact that

Correct AnswerverifiedShow Answer

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At the cellular level, fungi bear very l...
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