Question 1

Valley fever,a medical condition caused by Coccidioides immitis,is caused by

Accepted Answer

A)   common allergic reactions that many people have to the fungus.
B)   entry of the fungal spores by inhalation.
C)   a mutation of the common fungal inhabitant of human hair, nails, and skin.
D)   toxins produced by the fungus.
E)   eating the fruiting body, rather than the mycelium of the fungus.F) B) and E)
G) A) and C)

Question 2

Figuer: 
-In this figure,did the age of the leaf at the time of treatment affect the ability of endophytes to protect the plants?

Accepted Answer

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

Question 3

Yeasts are

Accepted Answer

A)   multi-celled heterotrophs.
B)   multi-celled autotrophs.
C)   All of the answer choices are correct.
D)   single-celled heterotrophs.
E)   single-celled autotrophs.F) C) and E)
G) C) and D)

Question 4

Saccharomyces cerevisiae is commonly referred to as

Accepted Answer

A)   the "false morel."
B)   the "death angel."
C)   the bread yeast.
D)   an antibiotic producer.
E)   the common bread mold.F) A) and E)
G) A) and C)

Question 5

In the experiments by Arnold,et al.,why were some leaves on a cacao plant treated with endophytes and others not treated?

Accepted Answer

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

Question 6

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)   asexual
B)   sterile
C)   haploid
D)   diploid
E)   dikaryoticF) A) and C)
G) C) and D)

Question 7

Salt and sugar in high enough concentrations retard mold growth by limiting the ability of these organisms to take up water by osmosis.

Accepted Answer

A) True 
 B)False

Question 8

Fungi and animals are similar in that they both

Accepted Answer

A)   are heterotrophs.
B)   are phototrophs.
C)   have cell walls made of chitin.
D)   use starch as their main storage carbohydrate.
E)   are decomposers.F) B) and D)
G) None of the above

Question 9

Figuer: 
-Within the life cycle of Neurospora crassa,strands of exactly eight spores are

Accepted Answer

A)   asci.
B)   haploid.
C)   dikaryotic.
D)   diploid.
E)   both asci and haploid.F) A) and E)
G) A) and B)

Question 10

A plant disease called ergot is caused by

Accepted Answer

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

Question 11

A lichen is made up of which two types of organisms?

Accepted Answer

A)   a fungus and a bacterial species
B)   a fungus and a nonvascular plant species
C)   an alga and a nonvascular plant species
D)   a fungus and either an algal or bacterial species
E)   a fungus and an algal speciesF) D) and E)
G) A) and B)

Question 12

A mushroom is a structure that is attached to a much larger growth form of the organism.

Accepted Answer

A) True 
 B)False

Question 13

Mycologists classify fungi into five phyla based on their sexual structures.

Accepted Answer

A) True 
 B)False

Question 14

Molecular evidence places fungi closer to animals than to plants.

Accepted Answer

A) True 
 B)False

Question 15

Associations of fungi and plant roots are called

Accepted Answer

A)   rhizoids.
B)   root forks.
C)   mycorrhizae.
D)   gnetophytes.
E)   lichens.F) A) and E)
G) B) and D)

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

A)   by digesting chitin in the cell wall of the frog's cells
B)   by digesting cellulose in the cell wall of the frog's cells
C)   by infecting their lungs
D)   by killing their eggs in the water
E)   by digesting keratin in the frog's skinF) D) and E)
G) All of the above

Exam 20: Fungi

A mushroom is a structure that is attached to a much larger growth form of the organism.

Correct Answer
verified

Fungi and animals are similar in that they both

Correct Answer
verified

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

Correct Answer
verified

Yeasts are

Correct Answer
verified

Valley fever,a medical condition caused by Coccidioides immitis,is caused by

Correct Answer
verified

A lichen is made up of which two types of organisms?

Correct Answer
verified

Mycologists classify fungi into five phyla based on their sexual structures.

Correct Answer
verified

Molecular evidence places fungi closer to animals than to plants.

Correct Answer
verified

Figuer: -Within the life cycle of Neurospora crassa,strands of exactly eight spores are

Correct Answer
verified

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

Correct Answer
verified

Salt and sugar in high enough concentrations retard mold growth by limiting the ability of these organisms to take up water by osmosis.

Correct Answer
verified

Associations of fungi and plant roots are called

Correct Answer
verified

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

Saccharomyces cerevisiae is commonly referred to as

Correct Answer
verified

In the experiments by Arnold,et al.,why were some leaves on a cacao plant treated with endophytes and others not treated?

Correct Answer
verified

A plant disease called ergot is caused by

Correct Answer
verified

Figuer: -In this figure,did the age of the leaf at the time of treatment affect the ability of endophytes to protect the plants?

Correct Answer
verified

Exam 20: Fungi

A mushroom is a structure that is attached to a much larger growth form of the organism.

Correct AnswerverifiedShow Answer

Fungi and animals are similar in that they both

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Yeasts are

Correct AnswerverifiedShow Answer

Valley fever,a medical condition caused by Coccidioides immitis,is caused by

Correct AnswerverifiedShow Answer

A lichen is made up of which two types of organisms?

Correct AnswerverifiedShow Answer

Mycologists classify fungi into five phyla based on their sexual structures.

Correct AnswerverifiedShow Answer

Molecular evidence places fungi closer to animals than to plants.

Correct AnswerverifiedShow Answer

Figuer: -Within the life cycle of Neurospora crassa,strands of exactly eight spores are

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Salt and sugar in high enough concentrations retard mold growth by limiting the ability of these organisms to take up water by osmosis.

Correct AnswerverifiedShow Answer

Associations of fungi and plant roots are called

Correct AnswerverifiedShow Answer

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

Saccharomyces cerevisiae is commonly referred to as

Correct AnswerverifiedShow Answer

In the experiments by Arnold,et al.,why were some leaves on a cacao plant treated with endophytes and others not treated?

Correct AnswerverifiedShow Answer

A plant disease called ergot is caused by

Correct AnswerverifiedShow Answer

Figuer: -In this figure,did the age of the leaf at the time of treatment affect the ability of endophytes to protect the plants?

Correct AnswerverifiedShow Answer

Correct Answer
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