Question 1

Why are fungi used to clean oil spills?

Accepted Answer

A) Fungi use the hydrocarbons in oil instead of CO2 during photosynthesis. 
B) The chemicals in oil kill off the fungus's competitors. 
C) Fungi use the organic molecules in the oil as food. 
D) Fungi store the hydrocarbons in their large central vacuoles. 
A) Fungi use the hydrocarbons in oil instead of CO2 during photosynthesis. 
B) The chemicals in oil kill off the fungus's competitors. 
C) Fungi use the organic molecules in the oil as food. 
D) Fungi store the hydrocarbons in their large central vacuoles.

Question 2

Comparisons of DNA sequences have revealed that glomeromycetes are not in the same clade as the zygomycetes.

Accepted Answer

A) True 
 B)False

Question 3

The system of fungal filaments that penetrates and grows through the substrate is called a(n)

Accepted Answer

A) exoskeleton. 
B) hyphal compartment. 
C) mushroom. 
D) mycelium. 
A) exoskeleton. 
B) hyphal compartment. 
C) mushroom. 
D) mycelium.

Question 4

Baker's yeast is a single-celled ascomycete that is used in bread making.Why does yeast make bread dough rise?

Accepted Answer

A) Yeast cells suck in air when trapped in dough. 
B) Carbon dioxide is produced during fermentation. 
C) Multiplication of yeast physically expands the dough. 
D) The fungal cells burst causes the dough to expand. 
A) Yeast cells suck in air when trapped in dough. 
B) Carbon dioxide is produced during fermentation. 
C) Multiplication of yeast physically expands the dough. 
D) The fungal cells burst causes the dough to expand.

Question 5

Fungal hyphae in which two genetically distinct kinds of nuclei occur together are said to be __________.

Accepted Answer

The answer of Fungal hyphae in which two genetically distinct...

Question 6

Ruminant animals have symbiotic fungi which

Accepted Answer

A) digest cellulose and lignin. 
B) infect milk-producing glands, fermenting the milk. 
C) produce toxins in muscle tissue. 
D) produce natural antibiotics. 
A) digest cellulose and lignin. 
B) infect milk-producing glands, fermenting the milk. 
C) produce toxins in muscle tissue. 
D) produce natural antibiotics.

Question 7

Arbuscular mycorrhizae are characterized by all of the following features except

Accepted Answer

A) They are the most common mycorrhizal type. 
B) Fungal hyphae penetrate plant root cells. 
C) They are seen in the earliest vascular plant fossils. 
D) The fungus can associate with several species of plants. 
A) They are the most common mycorrhizal type. 
B) Fungal hyphae penetrate plant root cells. 
C) They are seen in the earliest vascular plant fossils. 
D) The fungus can associate with several species of plants.

Question 8

Alexander Fleming kept finding mold contamination that was killing his bacterial cultures.This observation eventually lead to the development of the antibiotic penicillin.Why would a fungus produce a compound that is selectively toxic to bacteria?

Accepted Answer

A) Fungi eat bacteria. 
B) Fungi are killed by bacterial toxins. 
C) Fungi compete with bacteria for resources. 
D) Killing bacteria is an accident. 
A) Fungi eat bacteria. 
B) Fungi are killed by bacterial toxins. 
C) Fungi compete with bacteria for resources. 
D) Killing bacteria is an accident.

Question 9

The body of a fungus has several characteristics.One of these is their hyphae, long chains of cells.Which of the following statements best describes the nature of septa and cross walls?

Accepted Answer

A) Septa of the cross walls are formed on the outside of fungal cells and give the fungal body more rigidity. 
B) Septa form cross walls between the long chains of cells that make up hyphae. 
C) The cross wall within the nuclear membrane of every fungal body forms septa. 
D) Spores of fungi that are formed within reproductive structures have cross walls separated by septa. 
A) Septa of the cross walls are formed on the outside of fungal cells and give the fungal body more rigidity. 
B) Septa form cross walls between the long chains of cells that make up hyphae. 
C) The cross wall within the nuclear membrane of every fungal body forms septa. 
D) Spores of fungi that are formed within reproductive structures have cross walls separated by septa.

Question 10

Why are microsporidia so hard to classify?

Accepted Answer

A) When compared to other eukaryotic organisms, microsporidia are extremely small. 
B) The intracellular parasitic lifestyle greatly reduces the need for functional organelles. 
C) They lack nuclei. 
D) They are very rare. 
A) When compared to other eukaryotic organisms, microsporidia are extremely small. 
B) The intracellular parasitic lifestyle greatly reduces the need for functional organelles. 
C) They lack nuclei. 
D) They are very rare.

Question 11

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

Question 12

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

Question 13

The fruiting structures formed by secondary mycelia of basidiomycetes are known as

Accepted Answer

A) mushrooms. 
B) yeasts. 
C) lichen. 
D) ascocarps. 
A) mushrooms. 
B) yeasts. 
C) lichen. 
D) ascocarps.

Question 14

What type of symbiotic relationship is exemplified by mycorrhizal fungi?

Accepted Answer

A) Mutualism 
B) Commensalism 
C) Parasitism 
D) Atavism 
A) Mutualism 
B) Commensalism 
C) Parasitism 
D) Atavism

Question 15

Which one of the following fungal groups has an alternation of multicellular gametophyte and sporophyte generations?

Accepted Answer

A) Zygomycetes 
B) Ascomycetes 
C) Blastocladiomycota 
D) Chytridiomycetes 
A) Zygomycetes 
B) Ascomycetes 
C) Blastocladiomycota 
D) Chytridiomycetes

Question 16

In what way are bacteria and fungi similar?

Accepted Answer

A) Ecological function 
B) Cell wall components 
C) Design of the nucleus 
D) Ribosome structure 
A) Ecological function 
B) Cell wall components 
C) Design of the nucleus 
D) Ribosome structure

Question 17

The fungal group that is most closely related to ancestral fungi are the

Accepted Answer

A) Zygomycota. 
B) Chytridomycota. 
C) Ascomycota. 
D) Basidomycota. 
A) Zygomycota. 
B) Chytridomycota. 
C) Ascomycota. 
D) Basidomycota.

Question 18

The only diploid cell of the life cycle of basidiomycetes is produced within the basidium by

Accepted Answer

A) mitosis. 
B) meiosis. 
C) karyogamy. 
D) ascus bursting. 
A) mitosis. 
B) meiosis. 
C) karyogamy. 
D) ascus bursting.

Question 19

Why are neocallimastigomycetes being studied for biofuel production?

Accepted Answer

A) They can ferment glucose into alcohol. 
B) They can release fermentable sugars from structural polysaccharides. 
C) They can generate methane. 
D) They provide energy to power fermentation. 
A) They can ferment glucose into alcohol. 
B) They can release fermentable sugars from structural polysaccharides. 
C) They can generate methane. 
D) They provide energy to power fermentation.

Question 20

What type of symbiotic relationship is exemplified by athlete's foot?

Accepted Answer

A) Mutualism 
B) Commensalism 
C) Parasitism 
D) Atavism 
A) Mutualism 
B) Commensalism 
C) Parasitism 
D) Atavism

Exam 32: Fungi

Why are fungi used to clean oil spills?

Comparisons of DNA sequences have revealed that glomeromycetes are not in the same clade as the zygomycetes.

The system of fungal filaments that penetrates and grows through the substrate is called a(n)

Baker's yeast is a single-celled ascomycete that is used in bread making.Why does yeast make bread dough rise?

Fungal hyphae in which two genetically distinct kinds of nuclei occur together are said to be __________.

Ruminant animals have symbiotic fungi which

Arbuscular mycorrhizae are characterized by all of the following features except

Alexander Fleming kept finding mold contamination that was killing his bacterial cultures.This observation eventually lead to the development of the antibiotic penicillin.Why would a fungus produce a compound that is selectively toxic to bacteria?

The body of a fungus has several characteristics.One of these is their hyphae, long chains of cells.Which of the following statements best describes the nature of septa and cross walls?

Why are microsporidia so hard to classify?

Lichens are mutualisms between

Diploid cells of animals and plants are genetically similar to fungal

The fruiting structures formed by secondary mycelia of basidiomycetes are known as

What type of symbiotic relationship is exemplified by mycorrhizal fungi?

Which one of the following fungal groups has an alternation of multicellular gametophyte and sporophyte generations?

In what way are bacteria and fungi similar?

The fungal group that is most closely related to ancestral fungi are the

The only diploid cell of the life cycle of basidiomycetes is produced within the basidium by

Why are neocallimastigomycetes being studied for biofuel production?

What type of symbiotic relationship is exemplified by athlete's foot?

The Science of Biology

The Nature of Molecules and the Properties of Water

The Chemical Building Blocks of Life

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How Cells Harvest Energy

Photosynthesis

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How Cells Divide

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