Question 1

The leaf-cutter ants of Central America use leaves as food to cultivate the basidiomycete Lepiota in special underground chambers.Streptomyces bacteria coat parts of the ants' cuticles and secrete a potent antifungal that kills an ascomycete that attacks the cultivated fungus.Which of these interacting organisms or structures does not have cell walls?

Accepted Answer

A)   Lepiota
B)   the ascomycete
C)   the leaf
D)   the ant
E)   StreptomycesF) B) and E)
G) B) and D)

Question 2

Figuer: 
-Endophytes that colonize a leaf to get "first dibs" on the dead tissue are examples of which of the following?

Accepted Answer

A)   carnivores
B)   producers
C)   herbivores
D)   detritovores
E)   decomposersF) A) and D)
G) None of the above

Question 3

The main nutrient storage molecule in fungi is

Accepted Answer

A)   glucose, a monosaccharide.
B)   glycogen, a carbohydrate.
C)   cellulose, a carbohydrate.
D)   starch, a polysaccharide.
E)   chitin, a carbohydrate.F) None of the above
G) A) and B)

Question 4

Which of the following is a difference between how a frog and Chytridiomycetes obtain energy?

Accepted Answer

A)   Frogs are heterotrophs, while Chytridiomycetes are phototrophs.
B)   Frogs ingest their food, while Chytridiomycetes secrete digestive enzymes into the environment and absorb nutrients.
C)   Chytridiomycetes are heterotrophs, while frogs are phototrophs.
D)   Frogs are autotrophs, while Chytridiomycetes are phototrophs.
E)   Chytridiomycetes ingest their food, while frogs secrete digestive enzymes into the environment and absorb nutrients.F) C) and D)
G) B) and D)

Question 5

The fungi that are referred to as ancient fungi are

Accepted Answer

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

Question 6

In biology lab,you have just collected a sample of fungus.The original mass looked similar to a mushroom,but with magnification,you can see that there are individual filaments of cells that make up the mass.This larger collection of the individual filaments is called a

Accepted Answer

A)   ascus.
B)   mycelium.
C)   conidia.
D)   spore.
E)   gill.F) B) and D)
G) D) and E)

Question 7

Which part of an endophyte penetrates inside of a plant?

Accepted Answer

A)   the fruiting body
B)   the exoenzyme
C)   the mycelium
D)   the hyphae
E)   the sporeF) D) and E)
G) All of the above

Question 8

Fungi that can live only in mycorrhizal association with roots of plants may be placed into a phylum named

Accepted Answer

A)   Rootomycota.
B)   Ascomycota.
C)   Symbiomycota.
D)   Deuteromycota.
E)   Glomeromycota.F) C) and D)
G) B) and D)

Question 9

Which is the best description of the mutual benefit to both species found in a lichen?

Accepted Answer

A)   The heterotroph protects the autotroph from predation.
B)   The autotroph produces antibiotics to ward off infection by bacteria.
C)   The autotroph produces oxygen and the heterotroph consumes oxygen.
D)   The autotroph prevents dehydration and the heterotroph provides energy.
E)   The autotroph provides energy and the heterotroph prevents dehydration.F) B) and E)
G) All of the above

Question 10

Win-win relationships,such as the one between the cacao tree and its resident endophyte fungi,are an example of which of the following?

Accepted Answer

A)   parasitism
B)   commensalism
C)   competition
D)   mutualism
E)   mimicryF) D) and E)
G) B) and E)

Question 11

In the ecosystems of the world,fungi act primarily as

Accepted Answer

A)   detritovores.
B)   secondary consumers.
C)   producers.
D)   decomposers.
E)   primary consumers.F) A) and D)
G) A) and C)

Question 12

The carcinogen aflatoxin is produced by the fungus

Accepted Answer

A)   Claviceps purpurea.
B)   Coccidioides immitis.
C)   Staphylococcus aureus.
D)   Aspergillus flavus.
E)   Histoplasma capsulatum.F) D) and E)
G) B) and E)

Question 13

The fungus Drechslerella anchonia,a carnivorous fungus that forms sacs containing eight spores,belongs to the

Accepted Answer

A)   Deuteromycota.
B)   Chytridiomycota.
C)   Basidiomycota.
D)   Ascomycota.
E)   Zygomycota.F) A) and C)
G) A) and B)

Question 14

The leaf-cutter ants of Central America use leaves as food to cultivate the basidiomycete Lepiota in special underground chambers.Streptomyces bacteria coat parts of the ants' cuticles and secrete a potent antifungal that kills an ascomycete that attacks the cultivated fungus.Lepiota is most closely related to which of the following?

Accepted Answer

A)   The leaf, because it is photosynthetic and has a cell wall.
B)   The ant, because it is a multicellular heterotroph.
C)   The bacteria, because it secretes digestive enzymes and is single-celled.
D)   The bacteria, because it secretes digestive enzymes and has a cell wall.
E)   The leaf, because it is multicellular and has a cell wall.F) B) and E)
G) A) and B)

Question 15

An endophyte absorbing nutrients and water from a live cacao leaf is which of the following?

Accepted Answer

A)   a producer
B)   a heterotroph
C)   a detritovore
D)   a decomposer
E)   an autotrophF) All of the above
G) B) and D)

Question 16

The leaf-cutter ants of Central America use leaves as food to cultivate the basidiomycete Lepiota in special underground chambers.Streptomyces bacteria coat parts of the ants' cuticles and secrete a potent antibiotic that kills an ascomycete that attacks the cultivated fungus.What ecological relationship exists between Lepiota and the ants?

Accepted Answer

A)   predation
B)   mutualism
C)   parasitism
D)   commensalism
E)   interspecific competitionF) C) and D)
G) B) and D)

Question 17

The individual microscopic filaments that make up most of a multicellular fungus are

Accepted Answer

A)   gills.
B)   hyphae.
C)   fruiting bodies.
D)   chitin.
E)   spores.F) B) and E)
G) B) and D)

Question 18

Endophyte translates to "inside plant" and refers to which of the following?

Accepted Answer

A)   fungi that live inside of plants and help protect plants from disease-causing organisms
B)   protozoans that live within plant cells and kill invading microorganisms
C)   bacteria that live inside of plants and help protect plants from disease-causing organisms
D)   fungi that live inside of plants and produce oxygen for the plant
E)   bacteria that live inside of plants and produce carbon dioxide for the plantF) A) and E)
G) C) and E)

Question 19

A yeast is a multicellular fungus.

Accepted Answer

A) True 
 B)False

Question 20

The leaf-cutter ants of Central America use leaves as food to cultivate the basidiomycete Lepiota in special underground chambers.To use leaves as an energy source,Lepiota must do which of the following?

Accepted Answer

A)   produce antibiotics to kill Streptomyces
B)   produce antibiotics to kill the ascomycete
C)   secrete enzymes to digest cellulose
D)   secrete enzymes to digest chitin
E)   ingest and break down the leavesF) A) and B)
G) A) and C)

Exam 20: Fungi

Which is the best description of the mutual benefit to both species found in a lichen?

Correct Answer
verified

The fungi that are referred to as ancient fungi are

Correct Answer
verified

Win-win relationships,such as the one between the cacao tree and its resident endophyte fungi,are an example of which of the following?

Correct Answer
verified

Correct Answer
verified

The fungus Drechslerella anchonia,a carnivorous fungus that forms sacs containing eight spores,belongs to the

Correct Answer
verified

The carcinogen aflatoxin is produced by the fungus

Correct Answer
verified

Which of the following is a difference between how a frog and Chytridiomycetes obtain energy?

Correct Answer
verified

The main nutrient storage molecule in fungi is

Correct Answer
verified

The leaf-cutter ants of Central America use leaves as food to cultivate the basidiomycete Lepiota in special underground chambers.To use leaves as an energy source,Lepiota must do which of the following?

Correct Answer
verified

The individual microscopic filaments that make up most of a multicellular fungus are

Correct Answer
verified

Fungi that can live only in mycorrhizal association with roots of plants may be placed into a phylum named

Correct Answer
verified

An endophyte absorbing nutrients and water from a live cacao leaf is which of the following?

Correct Answer
verified

Correct Answer
verified

In biology lab,you have just collected a sample of fungus.The original mass looked similar to a mushroom,but with magnification,you can see that there are individual filaments of cells that make up the mass.This larger collection of the individual filaments is called a

Correct Answer
verified

Which part of an endophyte penetrates inside of a plant?

Correct Answer
verified

A yeast is a multicellular fungus.

Correct Answer
verified

Endophyte translates to "inside plant" and refers to which of the following?

Correct Answer
verified

In the ecosystems of the world,fungi act primarily as

Correct Answer
verified

Figuer: -Endophytes that colonize a leaf to get "first dibs" on the dead tissue are examples of which of the following?

Correct Answer
verified

Correct Answer
verified

Exam 20: Fungi

Which is the best description of the mutual benefit to both species found in a lichen?

Correct AnswerverifiedShow Answer

The fungi that are referred to as ancient fungi are

Correct AnswerverifiedShow Answer

Win-win relationships,such as the one between the cacao tree and its resident endophyte fungi,are an example of which of the following?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The fungus Drechslerella anchonia,a carnivorous fungus that forms sacs containing eight spores,belongs to the

Correct AnswerverifiedShow Answer

The carcinogen aflatoxin is produced by the fungus

Correct AnswerverifiedShow Answer

Which of the following is a difference between how a frog and Chytridiomycetes obtain energy?

Correct AnswerverifiedShow Answer

The main nutrient storage molecule in fungi is

Correct AnswerverifiedShow Answer

The leaf-cutter ants of Central America use leaves as food to cultivate the basidiomycete Lepiota in special underground chambers.To use leaves as an energy source,Lepiota must do which of the following?

Correct AnswerverifiedShow Answer

The individual microscopic filaments that make up most of a multicellular fungus are

Correct AnswerverifiedShow Answer

Fungi that can live only in mycorrhizal association with roots of plants may be placed into a phylum named

Correct AnswerverifiedShow Answer

An endophyte absorbing nutrients and water from a live cacao leaf is which of the following?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In biology lab,you have just collected a sample of fungus.The original mass looked similar to a mushroom,but with magnification,you can see that there are individual filaments of cells that make up the mass.This larger collection of the individual filaments is called a

Correct AnswerverifiedShow Answer

Which part of an endophyte penetrates inside of a plant?

Correct AnswerverifiedShow Answer

A yeast is a multicellular fungus.

Correct AnswerverifiedShow Answer

Endophyte translates to "inside plant" and refers to which of the following?

Correct AnswerverifiedShow Answer

In the ecosystems of the world,fungi act primarily as

Correct AnswerverifiedShow Answer

Figuer: -Endophytes that colonize a leaf to get "first dibs" on the dead tissue are examples of which of the following?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct Answer
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