Question 1

Saccharomyces cerevisiae is known to be used for

Accepted Answer

A)  brewing and winemaking.
B)  food for reindeer.
C)  causing lung disease.
D)  being a hallucinogenic mushroom.
E)  causing oak trees to shed their leaves prematurely.F) None of the above
G) All of the above

Question 2

Match between columns
                        Premises: sac fungi
Lack chitnous cell wall
black bread mold
flagellated reproductive cells
parasitize animal cells
club fungi

Accepted Answer

The Answer of Zygomycetes and Cryptomycota and Basidiomycetes and Microsporidia is...

Question 3

Yeast are useful in biotechnology in part because the yeast genome is similar to animal genomes.

Accepted Answer

A) True 
 B)False  True

Question 4

An alteration occurs in a cell at the surface of a diploid fruiting structure so that during spore formation,the resulting spores have twice the number of chromosomes compared to normal spores.The altered spores are most accurately described as having

Accepted Answer

A)  haploid nuclei.
B)  diploid nuclei.
C)  triploid nuclei.
D)  tetraploid nuclei.E) A) and D)
F) All of the above

Question 5

How would you describe the body of a fungus?

Accepted Answer

A)  tiny threadlike septa collectively make up the mycelium
B)  tiny threadlike mycelia collectively make up the septa
C)  tiny threadlike mycelia collectively make up the hypha
D)  tiny threadlike hyphae collectively make up the mycelium
E)  tiny threadlike mycelia collectively make up the dikaryoteF) A) and B)
G) A) and E)

Question 6

High levels of the fungus Arthrobotrys anchonia were found in a local environment.What do you predict will be the consequence of this fungus?

Accepted Answer

A)  Vegetation levels will decline drastically.
B)  Since this is a major pollutant in sewage wastewater,an investigation into the source of the fungus must be undertaken.
C)  Lichen populations will increase.
D)  Nematode populations will decline.
E)  Humans in the surrounding area will be vulnerable to pneumonia.F) A) and D)
G) A) and E)

Question 7

You are presented with an organism that has not been identified previously.Which feature would identify it as a fungus?

Accepted Answer

A)  flagella
B)  cell wall
C)  nonparasitic
D)  absorptive nutrition
E)  myceliaF) B) and D)
G) A) and D) E

Question 8

An agriculturalist is very concerned because his wheat crop is suddenly covered with red streaks.When consulted,you identify the issue as a condition known as rust.What would you advise the agriculturalist is the best preventive strategy for addressing the cellular basis of the rust?

Accepted Answer

A)  Rust is caused by fungi that give a reddish cast to soils in which they grow,which is taken up by the plant.Treat the soil to prevent the uptake of the rust-causing fungi.
B)  Rust is caused by fungi that have reddish spores that emerge from the leaves of infected plants.Treat the plant to eliminate the fungi that causes the rust.
C)  Rust is caused by fungi that have enzymes for breaking down plant structure.Treat the plant to make it resistant to the enzymes that are causing the rust.
D)  Rust is caused by rust-colored mushrooms produced as fruiting bodies.Treat the plant to eliminate the fruiting bodies that are recognized as rust.E) All of the above
F) A) and B)

Question 9

Ergot is

Accepted Answer

A)  a fungal disease of rye crops and other grasses.
B)  a carcinogen produced by fungi.
C)  a predatory fungus that traps nematodes.
D)  the cause of bread molD.
E)  a colorful poisonous mushroom.F) B) and C)
G) A) and E)

Question 10

A fungal specimen from the cryptomycota mutates so that it no longer can produce chitin.Predict the consequences for the cell walls of this fungus.

Accepted Answer

A)  There would be no consequences.These fungi do not have cell walls.
B)  The fungus could no longer produce septa.
C)  The fungus would no longer be able to sexually reproduce.
D)  The fungus would no longer be able to asexually reproduce.E) C) and D)
F) A) and B)

Question 11

Lichens are monophyletic.

Accepted Answer

A) True 
 B)False

Question 12

Reproduction by asexual spores in fungi allows dispersal to a new location but doesn't facilitate invasion of new KINDS of habitats.

Accepted Answer

A) True 
 B)False  True

Question 13

You are tutoring another student on the fungi.Fungal taxonomy is something that is very confusing to your pupil.Summarize the current standing of fungal taxonomy so your pupil has an overview of where fungal taxonomy currently stands.

Accepted Answer

A)  Although it is a complicated framework,fungal taxonomy is complete and well agreed on.
B)  Fungal taxonomy is incomplete,but the true fungi,nonopisthokont protists are monophyletic.
C)  Fungal taxonomy is relatively simple and represents a monophyletic grouping of organisms.
D)  Major fungal groups have yet to be formally nameD.E) A) and C)
F) All of the above

Question 14

All materials passing from one hyphal cell to another must diffuse across the septal wall.

Accepted Answer

A) True 
 B)False

Question 15

Place these fungal groups in the order in which they would appear on a cladogram.  Start with the most ancestral group for #1, and end with the most derived group.

Accepted Answer

A)   Zygomycetes
B)   Basidiomycetes
C)   Chytrids
D)   Cryptomycota
E)   AM fungiF) B) and D)
G) B) and E)

Question 16

AM fungi are so named because

Accepted Answer

A)  they shed their spores only in the morning.
B)  they produce fruiting bodies at night that only last through the following morning.
C)  they produce arbuscular mycorrhizae in the cells of plant roots.
D)  they decompose animal manure.
E)  they grow only on the chaff of ant middens.F) B) and E)
G) C) and D)

Question 17

Athlete's foot is caused by

Accepted Answer

A)  Aspergillus.
B)  Ergot.
C)  Candida.
D)  Claviceps.
E)  None of the choices provided.F) B) and E)
G) C) and D)

Question 18

Predict what would happen if transport between the Golgi apparatus and a growing hyphal tip in a fungus was interrupted.

Accepted Answer

A)  transport by vesicles of enzymes would cease
B)  uptake of water by osmosis would not occur
C)  extension of the hyphal tip would be discontinued
D)  transport by vesicles of cell-wall materials would be blocked
E)  all of these are correctF) B) and C)
G) A) and E)

Question 19

You observe the symbiotic association of a green algae and a fungus in your backyard.After a time you note that the fungus has sickened,and it eventually dies.What do you predict will happen to the green algae?

Accepted Answer

A)  Nothing;only the fungus received a benefit from the association.
B)  The green algae will have more water and minerals available so it will thrive.
C)  The green algae will be more vulnerable to environmental stress.
D)  The green algae will be shaded by the fungus,so it will thrive.
E)  The green algae will have more oxygen available to it will thrivE.F) A) and D)
G) A) and E)

Question 20

Your instructor has assigned you the task of identifying an unknown fungus.When you examine the cellular structure under the microscope,you note that the cells are flagellated.To which group does the unknown fungus belong?

Accepted Answer

A)  chytrids
B)  choanflagellates
C)  yeasts
D)  conidia
E)  bread moldsF) A) and B)
G) A) and D)

Exam 24: Fungi

Saccharomyces cerevisiae is known to be used for

Correct Answer
verified

Match each fungal group with an identifying characteristic.

Yeast are useful in biotechnology in part because the yeast genome is similar to animal genomes.

Correct Answer
verified
True

An alteration occurs in a cell at the surface of a diploid fruiting structure so that during spore formation,the resulting spores have twice the number of chromosomes compared to normal spores.The altered spores are most accurately described as having

Correct Answer
verified

How would you describe the body of a fungus?

Correct Answer
verified

High levels of the fungus Arthrobotrys anchonia were found in a local environment.What do you predict will be the consequence of this fungus?

Correct Answer
verified

You are presented with an organism that has not been identified previously.Which feature would identify it as a fungus?

Correct Answer
verified
E

An agriculturalist is very concerned because his wheat crop is suddenly covered with red streaks.When consulted,you identify the issue as a condition known as rust.What would you advise the agriculturalist is the best preventive strategy for addressing the cellular basis of the rust?

Correct Answer
verified

Ergot is

Correct Answer
verified

A fungal specimen from the cryptomycota mutates so that it no longer can produce chitin.Predict the consequences for the cell walls of this fungus.

Correct Answer
verified

Lichens are monophyletic.

Correct Answer
verified

Reproduction by asexual spores in fungi allows dispersal to a new location but doesn't facilitate invasion of new KINDS of habitats.

Correct Answer
verified
True

You are tutoring another student on the fungi.Fungal taxonomy is something that is very confusing to your pupil.Summarize the current standing of fungal taxonomy so your pupil has an overview of where fungal taxonomy currently stands.

Correct Answer
verified

All materials passing from one hyphal cell to another must diffuse across the septal wall.

Correct Answer
verified

Place these fungal groups in the order in which they would appear on a cladogram. Start with the most ancestral group for #1, and end with the most derived group.

Correct Answer
verified

AM fungi are so named because

Correct Answer
verified

Athlete's foot is caused by

Correct Answer
verified

Predict what would happen if transport between the Golgi apparatus and a growing hyphal tip in a fungus was interrupted.

Correct Answer
verified

You observe the symbiotic association of a green algae and a fungus in your backyard.After a time you note that the fungus has sickened,and it eventually dies.What do you predict will happen to the green algae?

Correct Answer
verified

Your instructor has assigned you the task of identifying an unknown fungus.When you examine the cellular structure under the microscope,you note that the cells are flagellated.To which group does the unknown fungus belong?

Correct Answer
verified

Exam 24: Fungi

Saccharomyces cerevisiae is known to be used for

Correct AnswerverifiedShow Answer

Match each fungal group with an identifying characteristic.

Yeast are useful in biotechnology in part because the yeast genome is similar to animal genomes.

Correct AnswerverifiedTrue

An alteration occurs in a cell at the surface of a diploid fruiting structure so that during spore formation,the resulting spores have twice the number of chromosomes compared to normal spores.The altered spores are most accurately described as having

Correct AnswerverifiedShow Answer

How would you describe the body of a fungus?

Correct AnswerverifiedShow Answer

High levels of the fungus Arthrobotrys anchonia were found in a local environment.What do you predict will be the consequence of this fungus?

Correct AnswerverifiedShow Answer

You are presented with an organism that has not been identified previously.Which feature would identify it as a fungus?

Correct AnswerverifiedE

An agriculturalist is very concerned because his wheat crop is suddenly covered with red streaks.When consulted,you identify the issue as a condition known as rust.What would you advise the agriculturalist is the best preventive strategy for addressing the cellular basis of the rust?

Correct AnswerverifiedShow Answer

Ergot is

Correct AnswerverifiedShow Answer

A fungal specimen from the cryptomycota mutates so that it no longer can produce chitin.Predict the consequences for the cell walls of this fungus.

Correct AnswerverifiedShow Answer

Lichens are monophyletic.

Correct AnswerverifiedShow Answer

Reproduction by asexual spores in fungi allows dispersal to a new location but doesn't facilitate invasion of new KINDS of habitats.

Correct AnswerverifiedTrue

You are tutoring another student on the fungi.Fungal taxonomy is something that is very confusing to your pupil.Summarize the current standing of fungal taxonomy so your pupil has an overview of where fungal taxonomy currently stands.

Correct AnswerverifiedShow Answer

All materials passing from one hyphal cell to another must diffuse across the septal wall.

Correct AnswerverifiedShow Answer

Place these fungal groups in the order in which they would appear on a cladogram. Start with the most ancestral group for #1, and end with the most derived group.

Correct AnswerverifiedShow Answer

AM fungi are so named because

Correct AnswerverifiedShow Answer

Athlete's foot is caused by

Correct AnswerverifiedShow Answer

Predict what would happen if transport between the Golgi apparatus and a growing hyphal tip in a fungus was interrupted.

Correct AnswerverifiedShow Answer

You observe the symbiotic association of a green algae and a fungus in your backyard.After a time you note that the fungus has sickened,and it eventually dies.What do you predict will happen to the green algae?

Correct AnswerverifiedShow Answer

Your instructor has assigned you the task of identifying an unknown fungus.When you examine the cellular structure under the microscope,you note that the cells are flagellated.To which group does the unknown fungus belong?

Correct AnswerverifiedShow Answer

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True

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E

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True

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