Question 1

The fungi that cause serious plant disease,such as Dutch elm disease and chestnut blight,belong to the phylum

Accepted Answer

A)  AscomycotA.
B)  Zygomycota.
C)  Imperfect fungi.
D)  Basidiomycota.
E)  Actinomycetes.

Question 2

The carcinogenic compound _____,which damages kidneys and the nervous system,is produced by some strains of Aspergillus flavus.

Accepted Answer

The answer of The carcinogenic compound _____,which damages kidneys and...

Question 3

Which one of the following statements about a typical fungus is false?

Accepted Answer

A)  A mycelium consists of branching hyphae.
B)  Hyphae with septa are divided into distinct cells.
C)  A dikaryotic hypha has two nuclei that can be haploid or diploid.
D)  If a dikaryotic hypha is derived from two genetically distinct parents,it is heterokaryotic.
E)  Streaming of cytoplasm can occur even if hyphae are septatE.

Question 4

A mycologist visits your biology class and discusses her research on a particular fungus that lives on the bark of damaged spruce trees.She explains that the fungal hyphae of her research organism is heterokaryotic.You raise your hand and request that she define that word.Her correct response is

Accepted Answer

A)  heterokaryotic means that the nuclei of the fungal hyphae are genetically the same.
B)  heterokaryotic means that the nuclei of each compartment of the hyphae are genetically distinct.
C)  heterokaryotic means that each compartment of the hyphae contain two distinct nuclei.
D)  heterokaryotic means that each compartment of the hyphae contains only one nucleus.

Question 5

Of the following statements about the fungal Phylum Ascomycota,which is incorrect?

Accepted Answer

A)  Examples of Ascomycota include molds,morels,and chestnut blight.
B)  Each Ascomycota has a reproductive structure called an ascus.
C)  Sexual reproduction is more common in the Ascomycota than asexual reproduction.
D)  Terms such as ascogonium and antheridium are associated with Ascomycota.
E)  Yeast are unicellular members of the Phylum Ascomycota.

Question 6

Diploid cells of animals and plants are genetically similar to fungal

Accepted Answer

A)  monokaryotic hyphae.
B)  dikaryotic hyphae (1n+1n) .
C)  homokaryotic hyphae.
D)  spores.
E)  triploid cells.

Question 7

A symbiotic association between a fungus and a green alga or a cyanobacterium is called a

Accepted Answer

A)  lichen.
B)  mycorrhiza.
C)  protist.
D)  kelp.
E)  mushroom. A

Question 8

Arbuscular mycorrhizae are characterized by all of the following features except

Accepted Answer

A)  most common mycorrhizal type.
B)  fungal hyphae penetrate plant root cells.
C)  seen in earliest vascular plant fossils.
D)  fungus can associate with several species of plants.
E)  fungal component is a glomeromycetE. D

Question 9

Choose the letter of the best match from the following:
-Mycelium without septa;bread molds;asexual reproduction more frequent.

Accepted Answer

A)  ascomycota
B)  zygomycota
C)  basidiomycota
D)  chytrids

Question 10

A scientist discovers a fungus living within a healthy plant.The fungus produces a substance toxic to herbivores.This fungus is considered

Accepted Answer

A)  an ectomycorrhizae.
B)  mutualistic.
C)  an endophyte.
D)  parasitic.
E)  a mutualistic endophytE.

Question 11

Of the following statements related to the fungal Phylum Basidiomycota,which one is incorrect?

Accepted Answer

A)  The phylum Basidiomycota has the most described species.
B)  Examples of Basidiomycota are mushrooms and toadstools.
C)  The mycelium of Basidiomycota are composed of monokaryotic hyphae.
D)  Hyphae of Basidiomycota are dikaryotic.
E)  Basidia are located on the gills of mushrooms.

Question 12

Lichens are mutualisms between

Accepted Answer

A)  yeast and another fungi.
B)  fungi and an alga.
C)  fungi and a green plant.
D)  fungi and a mycorrhizae.
E)  mycorrhizae and yeast.

Question 13

Which of the following fungi usually form arbuscular mycorrhizal associations in which the outer cells of the plant roots are penetrated by the fungal hyphae?

Accepted Answer

A)  ascomycetes
B)  glomeromycetes
C)  deuteromycetes
D)  basidiomycetes
E)  chytrids

Question 14

The walled ascus of an ascomycete contains

Accepted Answer

A)  eight diploid nuclei.
B)  eight haploid nuclei.
C)  many multinucleate conidia.
D)  an egg and a sperm.
E)  a zygotE.

Question 15

A division of fungi that lacks septa in their hyphae except when they form sporangia or gametangia is the

Accepted Answer

A)  ascomycetes.
B)  zygomycetes.
C)  chytridomycota (chytrids) .
D)  basidiomycetes.
E)  none of these

Question 16

All of the following are reproductive structures found in some fungi except

Accepted Answer

A)  ascus.
B)  basidium.
C)  sporangiophore.
D)  mycorrhiza.
E)  conidia.

Question 17

In the leaf cutter ant-plant-fungus tripartite relationship,the association between the ant and the fungus can best be described as

Accepted Answer

A)  parasitism.
B)  commensalism.
C)  facultative symbiosis.
D)  obligate symbiosis.
E)  herbivory.

Question 18

Which of the phyla of fungi is incorrectly matched with its example?

Accepted Answer

A)  Ascomycota-yeast
B)  Basidiomycota-rust
C)  Zygomycota-bread mold
D)  Ascomycota-mushrooms
E)  Basidiomycota-toadstools

Question 19

Which one of the following terms best applies to the fungus participant in a typical lichen?

Accepted Answer

A)  Facultative mutualist
B)  Endophyte
C)  Ectomycorrhizal fungus
D)  Arbuscular mycorrhizal fungus
E)  Epiparasite B

Question 20

A type of fungi that has been long useful for baking,brewing,and wine making,and is now becoming very important in genetic research is ______.

Accepted Answer

The answer of A type of fungi that has been...

Exam 31: Fungi

The fungi that cause serious plant disease,such as Dutch elm disease and chestnut blight,belong to the phylum

Correct AnswerverifiedShow Answer

The carcinogenic compound _____,which damages kidneys and the nervous system,is produced by some strains of Aspergillus flavus.

Correct AnswerverifiedShow Answer

Which one of the following statements about a typical fungus is false?

Correct AnswerverifiedShow Answer

A mycologist visits your biology class and discusses her research on a particular fungus that lives on the bark of damaged spruce trees.She explains that the fungal hyphae of her research organism is heterokaryotic.You raise your hand and request that she define that word.Her correct response is

Correct AnswerverifiedShow Answer

Of the following statements about the fungal Phylum Ascomycota,which is incorrect?

Correct AnswerverifiedShow Answer

Diploid cells of animals and plants are genetically similar to fungal

Correct AnswerverifiedShow Answer

A symbiotic association between a fungus and a green alga or a cyanobacterium is called a

Correct AnswerverifiedA

Arbuscular mycorrhizae are characterized by all of the following features except

Correct AnswerverifiedD

Choose the letter of the best match from the following: -Mycelium without septa;bread molds;asexual reproduction more frequent.

Correct AnswerverifiedShow Answer

A scientist discovers a fungus living within a healthy plant.The fungus produces a substance toxic to herbivores.This fungus is considered

Correct AnswerverifiedShow Answer

Of the following statements related to the fungal Phylum Basidiomycota,which one is incorrect?

Correct AnswerverifiedShow Answer

Lichens are mutualisms between

Correct AnswerverifiedShow Answer

Which of the following fungi usually form arbuscular mycorrhizal associations in which the outer cells of the plant roots are penetrated by the fungal hyphae?

Correct AnswerverifiedShow Answer

The walled ascus of an ascomycete contains

Correct AnswerverifiedShow Answer

A division of fungi that lacks septa in their hyphae except when they form sporangia or gametangia is the

Correct AnswerverifiedShow Answer

All of the following are reproductive structures found in some fungi except

Correct AnswerverifiedShow Answer

In the leaf cutter ant-plant-fungus tripartite relationship,the association between the ant and the fungus can best be described as

Correct AnswerverifiedShow Answer

Which of the phyla of fungi is incorrectly matched with its example?

Correct AnswerverifiedShow Answer

Which one of the following terms best applies to the fungus participant in a typical lichen?

Correct AnswerverifiedB

A type of fungi that has been long useful for baking,brewing,and wine making,and is now becoming very important in genetic research is ______.

Correct AnswerverifiedShow Answer

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A

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D

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B

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