1
Created by Boundless
Why are fungi important decomposers?
A
They recycle carbon and inorganic minerals.
B
They can grow in many different environments.
C
They produce mycelia.
D
They produce many spores.
2
Created by Boundless
Fungi that are decomposers in ecosystems are best described as which of the
following?
A
symbiotic
B
mutualistic
C
saprophytes
D
parasites
3
Created by Boundless
What is the most common type of fungal asexual reproduction?
A
fragmentation of hyphae
B
mitotic budding
C
nuclear marriage of genes
D
4
the formation of asexual spores
Created by Boundless
During sexual reproduction, a homothallic mycelium contains
A
all haploid nuclei
B
only one mating types
C
all septated hyphae
D
both mating types
5
Created by Boundless
Which polysaccharide is usually found in the cell wall of fungi?
A
cellulose
B
chitin
C
glucose
D
starch
6
Created by Boundless
What distinctive feature of chytrid gametes sets them apart from other fungi?
A
diploid zoospores
B
asexual zoospores
C
haploid zoospores
D
flagellated zoospores
7
Created by Boundless
Which of the following describes the process of sexual reproduction in
zygomycetes?
A
different mating strands fuse to form sporangiospores
B
identical mating strands fuse to form sporangiospores
C
identical mating strands fuse to form zygospores
D
different mating strands fuse to form zygospores
8
Created by Boundless
Why are Ascomycetes called sac fungi?
A
They have asci that contain conidiospores
B
They have asci that contain ascospores
C
They have conidia that contain ascospores
D
They have conidia that contain conidiospores
9
Created by Boundless
Why are basidiomycota called club fungi?
A
They have club-shaped fruiting bodies called basidia
B
They have club-shaped fruiting bodies called basidiocarp
C
They have club-shaped fruiting bodies called basidiospores
D
They have club-shaped fruiting bodies called mycelium
10
Created by Boundless
What sets deuteromycota or imperfect fungi apart from the other divisions of
fungi?
A
they do not have a sexual or asexual phase
B
they do not have a sexual phase
C
they do not have an asexual phase
D
they do have a sexual phase
11
Created by Boundless
Which of the following describes the ecology of glomeromycetes?
12
A
have a symbiotic relationship with plant roots
B
have a symbiotic relationship with plant leaves
C
kill plants and trees by absorbing their essential minerals
D
are destroyed by plants that absorb their essential minerals
Created by Boundless
Which of the following describes the process of reproduction in glomeromycetes?
A
all of these answers
B
reproduce asexually by producing glomerospores
C
cannot reproduce while in the presence of plant roots
D
reproduce sexually by producing glomerospores
13
Created by Boundless
Which of the following statements about Ascomycota is NOT correct?
A
members of this group are useful in baking and brewing
B
members of this group are gourmet delicacies
C
members of this group are solely beneficial
D
members of this group cause fungal pneumonia
14
Created by Boundless
Sexual mating in Ascomycota involves:
A
'male' ascogonium combining in karyogamy with 'female'
antheridium
B
'male' ascogonium combining in plasmogamy with 'female'
antheridium
C
'male' antheridium combining in karyogamy with 'female'
ascogonium
D
'male' antheridium combining in plasmogamy with 'female'
ascogonium
15
Created by Boundless
Members of Basidomycota are found in all these places EXCEPT:
A
parasitizing amphibians
B
food aisles of stores
C
clinging like shelves to tree bark
D
lawns after rain
16
Created by Boundless
What specific ability allows fungi to gather vital molecules that would otherwise
remain inaccessible to other species?
A
their ability to digest before they ingest organic matter
B
their ability to ingest before they digest organic matter
C
their ability to break down inorganic matter
D
their ability to sequester soluble molecules from living
matter
17
Created by Boundless
Fungi are capable of providing different benefits to their symbiotic partners; these
include:
A
protection from disease and/or a supply of nutrients
B
spore dispersal to new habitats
C
photosynthetic assistance
D
freedom from competition
18
Created by Boundless
What is the primary function of mycorrhizae?
A
To create reproductive structures that can be dispersed
B
To absorb nutrients the plant cannot take in by itself
C
To produce sugars for the plant through photosynthesis
D
To convert energy into usable forms for the plant
19
Created by Boundless
An example of how fungi can cause infection in plants includes:
A
direct colonization along with the effects of toxin released
in hosts
B
individual spore infection through direct colonization of a
host's internal organs
C
aflatoxins released by Claviceps purpurea
D
production of lysergic acid which causes gangrene
20
Created by Boundless
An example of a fungal parasite or pathogen that infects animal species is:
A
Aspergillus spp.
B
Claviceps purpurea
C
All of these answers
D
Geomyces destructans
21
Created by Boundless
The advantage of yeast cells over bacterial cells to express human proteins is that
A
yeast cells are easier to manipulate genetically
B
yeast cells are eukaryotic and modify proteins similarly to
human cells
C
yeast cells are easily lysed to purify the proteins
D
yeast cells grow faster
22
Created by Boundless
Which of the following organisms plays a critical role in bread, beer, and wine
production?
A
Agaricus campestris
B
Beauveria bassiana
C
Escherichia coli
D
Saccharomyces cerevisiae