Question 1

figure 19.22 
-In figure 19.22 what was the dependent variable?

Accepted Answer

A)  The age of the leaf
B)  The percent of the leaf area damaged
C)  The presence or absence of endophyte spores
D)  The presence or absence of the pathogen Phytophthora
E)  The percent of the leaf area containing endophytesF) All of the above
G) A) and C)

Question 2

A yeast is a multicellular fungus.

Accepted Answer

A) True 
 B)False

Question 3

Endophyte spores were sprayed on the cacao leaves.Which of the following is true of spores?

Accepted Answer

A)  They undergo meiosis
B)  They are only produced by fungi
C)  Within fungi, they are only produced by endophytes
D)  They are haploid
E)  They are not cellsF) B) and C)
G) C) and D)

Question 4

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 must do which of the following?

Accepted Answer

A)  Secrete enzymes to digest chitin
B)  Ingest and break down the leaves
C)  Secrete enzymes to digest cellulose
D)  Produce antibiotics to kill Streptomyces
E)  Produce antibiotics to kill the ascomyceteF) All of the above
G) B) and C)

Question 5

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

Accepted Answer

A)  Glomeromycota
B)  Deuteromycota
C)  Ascomycota
D)  Rootomycota
E)  SymbiomycotaF) B) and C)
G) C) and E)

Question 6

Chytridiomycetes produce enzymes that digest cellulose,chitin,and similar molecules.These fungi are contributing to the decline of amphibians world-wide through what mechanism?

Accepted Answer

A)  By infecting their lungs
B)  By digesting keratin in the frog's skin
C)  By killing their eggs in the water
D)  By digesting chitin in the cell wall of the frog's cells
E)  By digesting cellulose in the cell wall of the frog's cellsF) A) and E)
G) B) and E)

Question 7

In fungi a mass of aggregated hyphae is called a:

Accepted Answer

A)  Mycelium
B)  Conidia
C)  Gill
D)  Spore
E)  AscusF) A) and B)
G) A) and C)

Question 8

Saccharomyces cerevisiae is commonly referred to as:

Accepted Answer

A)  An antibiotic producer
B)  The "death angel"
C)  The "false morel"
D)  The bread yeast
E)  The common bread moldF) B) and D)
G) A) and D)

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

The fungi that are referred to as "primitive fungi" are:

Accepted Answer

A)  Ascomycetes
B)  Deuteromycetes
C)  Chytridiomycetes
D)  Zygomycetes
E)  BasidiomycetesF) C) and E)
G) B) and C)

Question 11

In figure 19.22,did the age of the leaf at the time of treatment affect the ability of endophytes to protect the plants?

Accepted Answer

A)  No, the mature leaves treated with endophytes had about the same level of damage as young leaves without endophytes
B)  Yes, young leaves were more susceptible to damage even in the presence of endophytes
C)  No, the endophytes could protect the plants if applied to young or old leaves
D)  Yes, the mature leaves treated with endophytes showed the highest level of damage
E)  Yes, the young leaves with endophytes had less damage than the mature leaves with endophytesF) A) and B)
G) B) and E)

Question 12

Molecular evidence places fungi closer to animals than plants.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is a correct statement?

Accepted Answer

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

Question 14

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

Accepted Answer

A)  Diploid
B)  Dikaryotic
C)  Zygotes
D)  Gametes
E)  HaploidF) B) and C)
G) A) and B)

Question 15

In a fungus aggregated hyphae form a specialized spore producing organs called:

Accepted Answer

A)  Mycelium
B)  Fruiting bodies
C)  Sporophytes
D)  Hyphae
E)  GillsF) A) and B)
G) C) and E)

Question 16

A lichen is made up of which two species?

Accepted Answer

A)  A fungi and a plant
B)  A fungi and a bacteria
C)  A fungi and an algae
D)  An algae and a bacteria
E)  An algae and a plantF) All of the above
G) A) and E)

Question 17

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

Accepted Answer

A)  A decomposer
B)  An autotroph
C)  A detritovore
D)  A producer
E)  A heterotrophF) A) and C)
G) B) and E)

Question 18

A plant disease called ergot is caused by:

Accepted Answer

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

Question 19

Why are lichens a good indicator of environmental quality?

Accepted Answer

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

Question 20

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

Accepted Answer

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

Exam 19: Fungi

Correct Answer
verified

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

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

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

Correct Answer
verified

Saccharomyces cerevisiae is commonly referred to as:

Correct Answer
verified

A plant disease called ergot is caused by:

Correct Answer
verified

In a fungus aggregated hyphae form a specialized spore producing organs called:

Correct Answer
verified

The fungi that are referred to as "primitive fungi" are:

Correct Answer
verified

Molecular evidence places fungi closer to animals than plants.

Correct Answer
verified

Endophyte spores were sprayed on the cacao leaves.Which of the following is true of spores?

Correct Answer
verified

figure 19.22 -In figure 19.22 what was the dependent variable?

Correct Answer
verified

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

Correct Answer
verified

In fungi a mass of aggregated hyphae is called a:

Correct Answer
verified

Why are lichens a good indicator of environmental quality?

Correct Answer
verified

A lichen is made up of which two species?

Correct Answer
verified

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

Correct Answer
verified

A yeast is a multicellular fungus.

Correct Answer
verified

Which of the following is a correct statement?

Correct Answer
verified

Chytridiomycetes produce enzymes that digest cellulose,chitin,and similar molecules.These fungi are contributing to the decline of amphibians world-wide through what mechanism?

Correct Answer
verified

In figure 19.22,did the age of the leaf at the time of treatment affect the ability of endophytes to protect the plants?

Correct Answer
verified

Exam 19: Fungi

Correct AnswerverifiedShow Answer

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

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

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

Correct AnswerverifiedShow Answer

Saccharomyces cerevisiae is commonly referred to as:

Correct AnswerverifiedShow Answer

A plant disease called ergot is caused by:

Correct AnswerverifiedShow Answer

In a fungus aggregated hyphae form a specialized spore producing organs called:

Correct AnswerverifiedShow Answer

The fungi that are referred to as "primitive fungi" are:

Correct AnswerverifiedShow Answer

Molecular evidence places fungi closer to animals than plants.

Correct AnswerverifiedShow Answer

Endophyte spores were sprayed on the cacao leaves.Which of the following is true of spores?

Correct AnswerverifiedShow Answer

figure 19.22 -In figure 19.22 what was the dependent variable?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In fungi a mass of aggregated hyphae is called a:

Correct AnswerverifiedShow Answer

Why are lichens a good indicator of environmental quality?

Correct AnswerverifiedShow Answer

A lichen is made up of which two species?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A yeast is a multicellular fungus.

Correct AnswerverifiedShow Answer

Which of the following is a correct statement?

Correct AnswerverifiedShow Answer

Chytridiomycetes produce enzymes that digest cellulose,chitin,and similar molecules.These fungi are contributing to the decline of amphibians world-wide through what mechanism?

Correct AnswerverifiedShow Answer

In figure 19.22,did the age of the leaf at the time of treatment affect the ability of endophytes to protect the plants?

Correct AnswerverifiedShow Answer

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