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Microbiology, Fifth Edition
Microbiology, 5/e
Lansing M Prescott, Augustana College
Donald A Klein, Colorado State University
John P Harley, Eastern Kentucky University
The Fungi (Eumycota), Slime Molds, and Water Molds

Multiple Choice Quiz

Choose the best answer





1

Fungi
A)are photosynthetic.
B)are procaryotic cells.
C)have cell walls of peptidoglycan.
D)secrete extracellular enzymes to breakdown nutrients.
E)reproduce by binary fission.
2

The most significant reason why fungi are not in the kingdom Plantae is that fungi
A)are chemoorganotrophic heterotrophs.
B)have unicellular and multi-cellular forms.
C)are procaryotes.
D)are eucaryotes.
E)can survive in low moisture.
3

Which of the following structures would NOT be associated with fungi?
A)mitochondria
B)cell walls
C)chloroplasts
D)hyphae
E)spores
4

A mycologist studying an organism in the Deuteromycota is studying an organism that has all the following EXCEPT
A)cell walls with chitin.
B)asexual spores.
C)absorptive nutrition.
D)ascospores, basidiospores, or zygospores.
E)a nucleus.

MATCHING - Match the fungus characteristic with the type of fungus



5

_______ produce basidiospores.
A)slime molds
B)dimorphic fungi
C)club fungi
D)black bread molds
E)sac fungi
F)water molds
6

_______ produce ascospores in an ascus.
A)slime molds
B)dimorphic fungi
C)club fungi
D)black bread molds
E)sac fungi
F)water molds
7

_______ produce motile sexual and asexual spores.
A)slime molds
B)dimorphic fungi
C)club fungi
D)black bread molds
E)sac fungi
F)water molds
8

_______ produce zygospores.
A)slime molds
B)dimorphic fungi
C)club fungi
D)black bread molds
E)sac fungi
F)water molds
9

_______ exhibit yeast-like growth at human body temperatures and mold-like growth at room temperature.
A)slime molds
B)dimorphic fungi
C)club fungi
D)black bread molds
E)sac fungi
F)water molds

Use the following choices to answer the following question(s):

1-Arthrospore5-Chlamydospore
2-Ascospore6-Conidiospore
3-Basidiospore7-Sporangiospore
4-Blastospore8-Zygospore



10

Which of these spores are characteristic of the black bread mold Rhizopus?
A)1 and 2
B)6 and 7
C)2 and 8
D)1 and 4
E)7 and 8
11

Which spore is on a club and results from the fusion of two nuclei from different strains of the same fungi?
A)2
B)3
C)4
D)6
E)8
12

Which of these spores are asexual spores?
A)1, 4, 5, 6, 7
B)2, 3, 6, 8
C)1, 3, 5, 8
D)2, 4, 6, 7, 8
E)All of the spores listed above are produced asexually
13

Nutritionally, fungi may best be characterized as
A)photosynthetic autotrophs.
B)chemosynthetic autotrophs.
C)absorptive heterotrophs.
D)ingestive heterotrophs.
E)obligate anaerobes.
14

Fungi are important in the production of all of the following commercial produces except
A)bread.
B)beer.
C)cheese.
D)rubber.
E)antibiotics

For the next 5 items each item lists two categories, numbered I and II. Select the answers from the following key.



15

III
Heterotrophic organismsFungi
A)All members of I are also members of II, but not all members of II are members of I.
B)All members of II are also members of I, but not all members of I are members of II.
C)All members of I are members of II, and all members of II are members of I.
D)No member of I is also a member of II.
E)Some members of I are members of II and some are not, and some members of II are members of I and some are not.
16

III
Organisms with septate hyphaeGilled mushrooms
A)All members of I are also members of II, but not all members of II are members of I.
B)All members of II are also members of I, but not all members of I are members of II.
C)All members of I are members of II, and all members of II are members of I.
D)No member of I is also a member of II.
E)Some members of I are members of II and some are not, and some members of II are members of I and some are not.
17

III
Sac fungusChemolithotrophic autotroph
A)All members of I are also members of II, but not all members of II are members of I.
B)All members of II are also members of I, but not all members of I are members of II.
C)All members of I are members of II, and all members of II are members of I.
D)No member of I is also a member of II.
E)Some members of I are members of II and some are not, and some members of II are members of I and some are not.
18

III
DeuteromycotaProduces spores sexually
A)All members of I are also members of II, but not all members of II are members of I.
B)All members of II are also members of I, but not all members of I are members of II.
C)All members of I are members of II, and all members of II are members of I.
D)No member of I is also a member of II.
E)Some members of I are members of II and some are not, and some members of II are members of I and some are not.
19

III
Organisms with chitin cell wallsOomycota
A)All members of I are also members of II, but not all members of II are members of I.
B)All members of II are also members of I, but not all members of I are members of II.
C)All members of I are members of II, and all members of II are members of I.
D)No member of I is also a member of II.
E)Some members of I are members of II and some are not, and some members of II are members of I and some are not.
20

The bread mold Rhizopus stolonifer belongs to which of the following fungal divisions?
A)Ascomycota
B)Basidiomycota
C)Deuteromycota
D)Oomycota
E)Zygomycota
21

The fungus responsible for ergotism belongs to which of the following fungal divisions?
A)Ascomycota
B)Basidiomycota
C)Deuteromycota
D)Oomycota
E)Zygomycota
22

Ergotism is responsible for all of the following except
A)hallucinations.
B)Irish potato famine.
C)St. Anthony's Fire.
D)gangrene.
E)nervous spasms.
23

Ascospores located in asci are found in
A)conidiocarps.
B)sorocarps.
C)basidiocarps.
D)ascocarps.
E)plasmodiocarps.
24

The fruiting body of a mushroom is called
A)conidiocarps.
B)sorocarps.
C)basidiocarps.
D)ascocarps.
E)plasmodiocarps.
25

Which of the following divisions of fungi produce uniflagellated zoospores?
A)Ascomycota
B)Basidiomycota
C)Chytridiomycota
D)Oomycota
E)Zygomycota
26

Water molds belong to which division?
A)Ascomycota
B)Basidiomycota
C)Chytridiomycota
D)Oomycota
E)Zygomycota
27

The organism that starts out as amoeboid, phagocytic cells and converts to a sluglike pseudoplasmodium that migrates prior to development of a sorocarp belongs to which division?
A)Ascomycota
B)Acrasiomycota
C)Chytridiomycota
D)Myxomycota
E)Oomycota
28

Ecologically fungi are important because

  1. they act as decomposers and aid in nutrient cycling.
  2. are a major cause of plant diseases.
A)I only is true.
B)II only is true.
C)Both I and II are true.
D)Neither I nor II are true.
29

Saprophytic fungi

  1. engulf their food in order to break it down.
  2. secure their food from dead organic materials.
A)I only is true.
B)II only is true.
C)Both I and II are true.
D)Neither I nor II are true.
30

Slime molds differ from the moldy fungi

  1. in their mode of nutrition: phagocytosis for the slime molds; absorptive heterotroph for moldy fungi.
  2. in that the moldy fungi produce amoeboid or flagellated cells and the slime molds do not.
A)I only is true.
B)II only is true.
C)Both I and II are true.
D)Neither I nor II are true.
31

The Acrasiomycota differ from the Myxomycota

  1. in their mode of nutrition: phagocytosis for the Acrasiomycota; absorptive heterotroph for Myxomycota.
  2. in their cellular organization: Acrasiomycota have a pseudoplasmodium where the Myxomycota have a true plasmodium.
A)I only is true.
B)II only is true.
C)Both I and II are true.
D)Neither I nor II are true.
32

Fungi

  1. are major causes of plant diseases.
  2. are pest organisms that have no commercial value.
A)I only is true.
B)II only is true.
C)Both I and II are true.
D)Neither I nor II are true.

For the next set of questions, compare the entities I and II and use the following key to characterize their relationship



33

  1. The number of nuclei per cell in a dikaryotic cell.
  2. The number of nuclei per cell in a diploid cell.
A)I is greater than II.
B)II is greater than I.
C)I is exactly or approximately equal to II.
D)I may stand in more than one of the above relations to II.
34

  1. The number of sets of chromosomes in a dikaryotic cell.
  2. The number of sets of chromosomes in a diploid cell.
A)I is greater than II.
B)II is greater than I.
C)I is exactly or approximately equal to II.
D)I may stand in more than one of the above relations to II.
35

  1. The amount of chitin in the cell walls of the slime mold plasmodium.
  2. The amount of chitin in the cell walls of the water mold mycelium.
A)I is greater than II.
B)II is greater than I.
C)I is exactly or approximately equal to II.
D)I may stand in more than one of the above relations to II.
36

  1. The amount of phagocytosis done by the slime mold plasmodium.
  2. The amount of phagocytosis done by the water mold mycelium.
A)I is greater than II.
B)II is greater than I.
C)I is exactly or approximately equal to II.
D)I may stand in more than one of the above relations to II.
37

  1. The amount of peptidoglycan in the cell walls of a mushroom.
  2. The amount of chitin in the cell walls of a mushroom.
A)I is greater than II.
B)II is greater than I.
C)I is exactly or approximately equal to II.
D)I may stand in more than one of the above relations to II.








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