Question 1

Unlike the plant cells,fungal cells lack which of the following?

Accepted Answer

A)   mitochondria
B)   cell walls
C)   cytoplasm
D)   chloroplasts
E)   nucleiF) A) and E)
G) B) and E)

Question 2

Figuer: 
-In the figure,what was the dependent variable?

Accepted Answer

A)   the percent of the leaf area damaged
B)   the age of the leaf
C)   the presence or absence of the pathogen Phytophthora
D)   the presence or absence of endophyte spores
E)   the percent of the leaf area containing endophytesF) B) and D)
G) None of the above

Question 3

Zygospores are formed when two haploid hyphae fuse.Zygospores are which of the following?

Accepted Answer

A)   haploid
B)   asexual
C)   diploid
D)   sterile
E)   dikaryoticF) None of the above
G) A) and D)

Question 4

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 weakens the immune system.
B)   There are fewer bacteria present to compete with the yeast.
C)   Bacteria normally digest yeast cells.
D)   Antibiotics are often contaminated with Candida yeast.
E)   The antibiotic causes mutations in the yeast that give the yeast resistance.F) A) and D)
G) A) and C)

Question 5

The large reproductive structure shown,produced after meiosis in the fungal life cycle,is characteristically covered by a large,flat,shelf,conical,or puffball fruiting body in the phylum

Accepted Answer

A)   chytridiomycetes.
B)   glomeromycetes.
C)   zygomycetes.
D)   ascomycetes.
E)   basidiomycetes.F) A) and B)
G) B) and D)

Question 6

Why are lichens a good indicator of environmental quality?

Accepted Answer

A)   If the soil is polluted, they cannot produce roots.
B)   They cannot excrete absorbed toxins.
C)   They cannot absorb toxins.
D)   If the air is polluted, they cannot get enough sunlight for photosynthesis.
E)   Toxins inhibit their reproduction.F) B) and D)
G) D) and E)

Question 7

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

Accepted Answer

A)   crossing over during meiosis
B)   circadian rhythms
C)   asexual reproduction
D)   gene regulation
E)   one gene-one enzymeF) B) and D)
G) A) and B)

Question 8

When a haploid spore germinates,it goes through mitosis,forming hyphae.The resulting hyphae would be which of the following?

Accepted Answer

A)   gametes
B)   dikaryotic
C)   haploid
D)   diploid
E)   zygotesF) None of the above
G) A) and C) C

Question 9

Figuer: 
-Based on the structures of the spores of Neurospora crassa in this figure,in which phylum would it be found?

Accepted Answer

A)   basidiomycetes
B)   ascomycetes
C)   chytridiomycetes
D)   deuteromycetes
E)   zygomycetesF) A) and C)
G) B) and E)

Question 10

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

Accepted Answer

A)   frogs.
B)   people.
C)   plants.
D)   lichens.
E)   ruminants.F) B) and D)
G) A) and B)

Question 11

The spore-producing structure of aggregated hyphae,as shown in the diagram below,is a

Accepted Answer

A)   sporophytes.
B)   gills.
C)   hyphae.
D)   fruiting bodies.
E)   mycelium.F) A) and B)
G) A) and C)

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Ascomycetes are fungi that cause disease and are not beneficial to humans in any way.

Accepted Answer

A) True 
 B)False

Question 14

Molecular evidence places fungi closer to plants than to animals.

Accepted Answer

A) True 
 B)False  False

Question 15

The familiar growth form represented by edible mushrooms,as well as some poisonous mushrooms,is associated with the ______ phylum.

Accepted Answer

A)   glomeromycetes
B)   basidiomycetes
C)   zygomycetes
D)   ascomycetes
E)   chytridiomycetesF) A) and B)
G) A) and C)

Question 16

Microscopic reproductive cells produced by most fungi are

Accepted Answer

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

Question 17

About 80% of all land plants,including grasses,shrubs,and trees,form mycorrhizae.Mycorrhizae are which of the following?

Accepted Answer

A)   mutualistic associations between fungi and plant leaves
B)   balanced competitive associations between plants and fungi
C)   parasitic associations between fungi and plant leaves
D)   mutualistic associations between fungi and plant roots
E)   parasitic associations between fungi and plant rootsF) C) and D)
G) B) and C) D

Question 18

A disease-causing fungus found in bird droppings is called

Accepted Answer

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

Question 19

Fungi are classified into phyla based on which characteristic?

Accepted Answer

A)   composition of cell wall
B)   organelles
C)   sexual structures
D)   multicellular versus unicellular
E)   photosynthesisF) C) and D)
G) D) and E)

Question 20

Which of the following is a correct statement?

Accepted Answer

A)   Fungi are heterotrophs, but plants are essentially autotrophs.
B)   All of the answer choices are correct.
C)   Plants and fungi both carry out photosynthesis.
D)   Plants and fungi both have cellulose as the main component of their cell walls.
E)   Glycogen is the main storage carbohydrate in both fungi and plants.F) C) and E)
G) C) and D)

Exam 20: Fungi

Unlike the plant cells,fungal cells lack which of the following?

Correct AnswerverifiedShow Answer

Figuer: -In the figure,what was the dependent variable?

Correct AnswerverifiedShow Answer

Zygospores are formed when two haploid hyphae fuse.Zygospores are which of the following?

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

The large reproductive structure shown,produced after meiosis in the fungal life cycle,is characteristically covered by a large,flat,shelf,conical,or puffball fruiting body in the phylum

Correct AnswerverifiedShow Answer

Why are lichens a good indicator of environmental quality?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

When a haploid spore germinates,it goes through mitosis,forming hyphae.The resulting hyphae would be which of the following?

Correct AnswerverifiedC

Figuer: -Based on the structures of the spores of Neurospora crassa in this figure,in which phylum would it be found?

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 spore-producing structure of aggregated hyphae,as shown in the diagram below,is a

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Ascomycetes are fungi that cause disease and are not beneficial to humans in any way.

Correct AnswerverifiedShow Answer

Molecular evidence places fungi closer to plants than to animals.

Correct AnswerverifiedFalse

The familiar growth form represented by edible mushrooms,as well as some poisonous mushrooms,is associated with the ______ phylum.

Correct AnswerverifiedShow Answer

Microscopic reproductive cells produced by most fungi are

Correct AnswerverifiedShow Answer

About 80% of all land plants,including grasses,shrubs,and trees,form mycorrhizae.Mycorrhizae are which of the following?

Correct AnswerverifiedD

A disease-causing fungus found in bird droppings is called

Correct AnswerverifiedShow Answer

Fungi are classified into phyla based on which characteristic?

Correct AnswerverifiedShow Answer

Which of the following is a correct statement?

Correct AnswerverifiedShow Answer

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C

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False

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D

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