WorksheetsFungi
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
Which one of the following groups provides us with the organisms used for alcohol fermentation, baking yeast, natural pesticides, and antibiotics?
a)
the sac fungi, Ascomycetes
b)
the club fungi, Basidiomycetes
c)
Chytrids
d)
Lichens
e)
prions
2.
Many fungi use these asexual spores for reproduction and dispersal.
a)
conidia
b)
zygospores
c)
rhizoids
d)
contractile filaments
e)
drogues
3.
In dikaryotic fungi, karyogamy refers to the fusion of _______________.
a)
hyphae
b)
mycelia
c)
nuclei
d)
mating types
e)
chromosomes
4.
These parasitic organisms are distinguished by the presence of mitosomes and a polar tube.
a)
glomeromycetes
b)
microsporidians
c)
chytrids
d)
club fungi
e)
sac fungi
5.
Beneficial fungi that live inside leaves and stems of plants are called
a)
algae
b)
endophytes
c)
smuts
d)
mycorrhizae
e)
leaf miners
6.
In addition to bread mold, this group of fungi includes species that parasitize insects and plants, and one species that lives on cow patties and can blast its spores up to 2 meters away.
a)
microsporidians
b)
nuclearids
c)
ascomycetes
d)
basidiomycetes
e)
zygomycetes
7.
Most fungi feed by
a)
releasing spores
b)
extracellular digestion and absorption
c)
converting carbon dioxide to sugar
d)
internal digestion in fruiting bodies
e)
symbiosis with bacteria
8.
The mass of hyphae that forms the “body” of a fungus is called
a)
a social slug
b)
mycelium
c)
mycorrhizae
d)
chitin
e)
yeast
9.
A typical mushroom consists of a _______ (cap) and a _______ (stalk).
a)
ascus, basidium
b)
pileus, stipe
c)
conidium, sporangium
d)
lamina, stem
e)
capitulum, rachis
10.
The common name for unicellular fungi that reproduce by fission or budding is
a)
mold
b)
mildew
c)
yeasts
d)
spores
e)
protists
11.
Imperfect Fungi, or Deuteromycetes, are species that
a)
cannot infect plants or animals
b)
were only known from their asexual forms
c)
have two nuclei in each cell
d)
have motile cells
e)
are more closely related to protists
12.
A saprobe is an organism that
a)
is bioluminescent
b)
extends a proboscis into its prey
c)
lives on tree sap
d)
parasitizes roundworms
e)
feeds on nonliving organic waste, causing decay
13.
A cell having two haploid nuclei is said to be
a)
doublesomic
b)
diploid
c)
polyploid
d)
mutant
e)
dikaryotic
14.
Some fungi live on stored foods and produce highly carcinogenic toxins that can cause liver cancer. These toxins are called
a)
apitoxins
b)
hemotoxins
c)
neurotoxins
d)
snixotoxins
e)
aflatoxins
15.
Fungi are
a)
always multicellular
b)
primitive plants
c)
primarily parasitic
d)
heterotrophs
e)
all of the above
16.
As you study an organism under the microscope, you notice that the nuclear envelope remains intact during mitosis and meiosis. Therefore, the organism is most likely ______________________.
a)
a plant
b)
an animal
c)
a fungus
d)
diseased
e)
asexual
17.
In contrast to plants and protists, fungi have the following polysaccharide in their cell walls:
a)
lignin
b)
cellulose
c)
chitin
d)
dikaryon
e)
mannitol
18.
Which of the following best describes the purpose of an ascocarp?
a)
Like a fruit, it serves the purpose of attracting animals to disperse the seeds
b)
It provides a source of nutrients for the undergroup mycelium.
c)
It functionso like a flower and attracts pollinators
d)
It is for sexual reproduction, and the location where sexual spores are produced.
e)
It defends the fungus against predators
19.
What are the common "fairy rings" seen in lawns?
a)
A population of mushrooms planted in a circle.
b)
A fungal colony grown from a central point and producing mushrooms at the edge of growth.
c)
A ring of mushrooms caused by an animal spreading the spores in a ring
d)
magic
e)
A clump of mushrooms growing where soil nutrients are rich.
20.
Lichens represent a partnership between
a)
fungi and decomposing matter
b)
fungi and free-living chloroplasts
c)
fungi and Euglena
d)
fungi and humans
e)
fungi and green or blue-green algae
21.
The spores of club fungi are typically produced on a mushrooms or similar types of fruiting body; these spore-producing structures are technically known as
a)
basidiocarps
b)
ascocarps
c)
ascospores
d)
conidia
e)
gemmae cups
22.
The common ancestor of fungi and humans most likely resembled the modern day organisms known as
a)
choanoflagellates
b)
bacteria
c)
euglena
d)
jellyfish
e)
amoebas
23.
This chemical is the major component of the tough outer walls of spores and pollen grains.
a)
lignin
b)
cellulose
c)
sporopollenin
d)
cuticular wax
e)
polyurethane
24.
Out of all of the following organisms, we now know that Fungi are most closely related to
a)
plants
b)
protists
c)
algae
d)
bacteria and other types of mold
e)
animals
25.
What are gametangia?
a)
They are male or female haploid sex cells
b)
They are haploid reproductive structures that produce gametes by mitosis
c)
They are diploid reproductive structures that produce spores by meiosis
d)
They are haploid plants that reproduce asexually
e)
They are the gills of a typical mushroom, where the spores are produced
26.
The most ancient fungal lineage, and the only group to have motile, flagellated cells, is called
a)
Oomycetes
b)
Ascomycetes
c)
Zygomycetes
d)
Lichens
e)
Chytrids
27.
This small group of fungi is ecologically important because it includes the so-called arbuscular mycorrhiza, a type of association found in 80 percent of land plants.
a)
histoplasmids
b)
lichens
c)
deuteromycetes
d)
glomeromycetes
e)
zygomycetes
28.
Organisms that spend majority of their life as multicellular haploid organisms are said to have
a)
gametophyte life cycles
b)
asexual life cycles
c)
sporophyte life cycles
d)
diploid-dominant life cycles
e)
haploid-dominant life cycles
29.
Many fungi live on dead organisms or parts of organisms, such as fallen leaves, and return much of the nutrients to the soil. Such fungi are said to be
a)
coenocytic
b)
saprobes
c)
predators
d)
motile
e)
septate
30.
One piece of evidence that supports the placement of fungi in the unikonts is the presence of _____________ in chytrids (which is absent in other fungi).
a)
chitin
b)
a flagellum
c)
unicellularity
d)
eye spots
e)
chloroplasts
31.
An important function of spores is
a)
dispersal
b)
defense against predators
c)
photosynthesis
d)
digestion
e)
sternutation
32.
The technical term for the association between a tree root and a fungus is
a)
liaison
b)
mycelium
c)
tryst
d)
mycorrhizae
e)
endophyte
100 %
