Question 1

The carcinogen aflatoxin is produced by:

Accepted Answer

A)  Claviceps purpurea
B)  Histoplasma capsulatum
C)  Staphylococcus aureus
D)  Coccidioides immitis
E)  Aspergillus flavusF) A) and C)
G) All of the above

Question 2

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

Accepted Answer

A)  Hyphae
B)  Spores
C)  Fruiting bodies
D)  Gills
E)  ChitinF) A) and B)
G) C) and E)

Question 3

A mushroom is a structure that is attached to a much larger organism.

Accepted Answer

A) True 
 B)False  True

Question 4

Ascomycetes are the largest group of fungi.When their haploid hyphae fuse without fusion of their nuclei,the resulting cells are which of the following?

Accepted Answer

A)  Diploid
B)  Haploid
C)  Dikaryotic
D)  Asexual
E)  SterileF) A) and E)
G) C) and D)

Question 5

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.Which of the following does not have cell walls?

Accepted Answer

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

Question 6

Which part of an endophyte penetrates inside of a plant?

Accepted Answer

A)  The hyphae
B)  The fruiting body
C)  The spore
D)  The mycelium
E)  The exoenzymeF) B) and D)
G) All of the above

Question 7

Fungi and animals are similar in that they both:

Accepted Answer

A)  Are phototrophs
B)  Have cell walls made of chitin
C)  Are heterotrophs
D)  Use starch as their main storage carbohydrate
E)  Are decomposersF) D) and E)
G) None of the above

Question 8

Sometimes if a person takes an antibiotic to treat a bacterial infection,the yeast Candida can grow out of control and cause a vaginal or intestinal infection.What is the best explanation for this observation?

Accepted Answer

A)  The antibiotic causes mutations in the yeast that give the yeast resistance
B)  The antibiotic weakens the immune system
C)  Antibiotics are often contaminated with Candida yeast
D)  There are fewer bacteria present to compete with the yeast
E)  Bacteria normally eat yeastF) A) and B)
G) All of the above

Question 9

Chytridiomycetes produce enzymes that digest cellulose,chitin,and similar molecules.Because of this they are found in the digestive tract of _____.

Accepted Answer

A)  People
B)  Frogs
C)  Ruminants
D)  Plants
E)  LichensF) D) and E)
G) B) and C)

Question 10

The organization of the spores would make Neurospora crassa useful for studying which biological process?

Accepted Answer

A)  One gene/one enzyme
B)  Crossing over during meiosis
C)  Circadian rhythms
D)  Gene regulation
E)  Asexual reproductionF) A) and E)
G) B) and E)

Question 11

Valley fever is caused by:

Accepted Answer

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

Question 12

Molecular evidence places fungi closer to plants than animals.

Accepted Answer

A) True 
 B)False

Question 13

Microscopic reproductive cells produced by most fungi are:

Accepted Answer

A)  Hyphae
B)  Fruiting bodies
C)  Mycelium
D)  Gills
E)  SporesF) A) and D)
G) B) and D)

Question 14

Zygospores are formed by the fusion of two haploid nuclei.They then go through meiosis to form spores.Spores are which of the following?

Accepted Answer

A)  Haploid
B)  Diploid
C)  Dikaryotic
D)  Tetraploid
E)  AsexualF) A) and B)
G) A) and C)

Question 15

A dikaryotic stage is common in the life cycle of many plants,protozoans,and fungi.

Accepted Answer

A) True 
 B)False

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.Lepiota is most closely related to which of the following?

Accepted Answer

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

Question 17

Fungi called smuts and rusts:

Accepted Answer

A)  Are Ascomycetes
B)  Damage cereal crops
C)  Both are Ascomycetes and damage cereal crops are correct
D)  Both are basidiomycetes and damage cereal crops are correct
E)  Are BasidiomycetesF) All of the above
G) C) and D)

Question 18

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.The relationship between the ants and Lepiota is which of the following?

Accepted Answer

A)  Parasitism
B)  Predation
C)  Interspecific competition
D)  Commensalism
E)  MutualismF) None of the above
G) A) and B)

Question 19

Why were some leaves on a cacao plant treated with endophytes and others not?

Accepted Answer

A)  As a control for variation between plants
B)  To reduce the number of plants that were needed
C)  To reduce the amount of endophyte spores that were needed
D)  To keep the Phytophthora from spreading to other plants
E)  The endophytes were able to spread from one leaf to anotherF) A) and B)
G) C) and D)

Question 20

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

Accepted Answer

A)  Basidiomycota
B)  Ascomycota
C)  Deuteromycota
D)  Chytridiomycota
E)  ZygomycotaF) B) and E)
G) A) and B)

Exam 19: Fungi

The carcinogen aflatoxin is produced by:

Correct Answer
verified

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

Correct Answer
verified

A mushroom is a structure that is attached to a much larger organism.

Correct Answer
verified
True

Ascomycetes are the largest group of fungi.When their haploid hyphae fuse without fusion of their nuclei,the resulting cells are which of the following?

Correct Answer
verified

Correct Answer
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B

Which part of an endophyte penetrates inside of a plant?

Correct Answer
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Fungi and animals are similar in that they both:

Correct Answer
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Sometimes if a person takes an antibiotic to treat a bacterial infection,the yeast Candida can grow out of control and cause a vaginal or intestinal infection.What is the best explanation for this observation?

Correct Answer
verified

Chytridiomycetes produce enzymes that digest cellulose,chitin,and similar molecules.Because of this they are found in the digestive tract of _____.

Correct Answer
verified

The organization of the spores would make Neurospora crassa useful for studying which biological process?

Correct Answer
verified

Valley fever is caused by:

Correct Answer
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D

Molecular evidence places fungi closer to plants than animals.

Correct Answer
verified

Microscopic reproductive cells produced by most fungi are:

Correct Answer
verified

Zygospores are formed by the fusion of two haploid nuclei.They then go through meiosis to form spores.Spores are which of the following?

Correct Answer
verified

A dikaryotic stage is common in the life cycle of many plants,protozoans,and fungi.

Correct Answer
verified

Correct Answer
verified

Fungi called smuts and rusts:

Correct Answer
verified

Correct Answer
verified

Why were some leaves on a cacao plant treated with endophytes and others not?

Correct Answer
verified

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

Correct Answer
verified

Exam 19: Fungi

The carcinogen aflatoxin is produced by:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A mushroom is a structure that is attached to a much larger organism.

Correct AnswerverifiedTrue

Ascomycetes are the largest group of fungi.When their haploid hyphae fuse without fusion of their nuclei,the resulting cells are which of the following?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedB

Which part of an endophyte penetrates inside of a plant?

Correct AnswerverifiedShow Answer

Fungi and animals are similar in that they both:

Correct AnswerverifiedShow Answer

Sometimes if a person takes an antibiotic to treat a bacterial infection,the yeast Candida can grow out of control and cause a vaginal or intestinal infection.What is the best explanation for this observation?

Correct AnswerverifiedShow Answer

Chytridiomycetes produce enzymes that digest cellulose,chitin,and similar molecules.Because of this they are found in the digestive tract of _____.

Correct AnswerverifiedShow Answer

The organization of the spores would make Neurospora crassa useful for studying which biological process?

Correct AnswerverifiedShow Answer

Valley fever is caused by:

Correct AnswerverifiedD

Molecular evidence places fungi closer to plants than animals.

Correct AnswerverifiedShow Answer

Microscopic reproductive cells produced by most fungi are:

Correct AnswerverifiedShow Answer

Zygospores are formed by the fusion of two haploid nuclei.They then go through meiosis to form spores.Spores are which of the following?

Correct AnswerverifiedShow Answer

A dikaryotic stage is common in the life cycle of many plants,protozoans,and fungi.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Fungi called smuts and rusts:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Why were some leaves on a cacao plant treated with endophytes and others not?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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True

Correct Answer
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B

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Correct Answer
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Correct Answer
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D

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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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