BIO 2: Fungi

Helpfulness: 0
Set Details Share
created 6 years ago by kristincannon11
2,009 views
Subjects:
bio ii
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:
1

The largest organism ever to have existed in the world is (was) a:
A. whale
B. dinosaur
C. sequoia tree
D. fungus
E. mammoth

fungus

2

Which of the following attributes is NOT shared by animals and fungi?
A. derived from protists
B. heterotrophic
C. absorptive nutrition
D. secrete digestive enzymes
E. have cell walls

derived from protists
heterotrophic
absorptive nutrition
secrete digestive enzymes
E. have cell walls

3

The cell walls of fungi are composed of:
A. chitin
B. cellulose
C. dentine
D. peptides
E. glycerol

chitin

4

Which statement most aptly describes the body of a fungus?
A. Tiny threadlike septa collectively make up the mycelium.
B. Tiny threadlike mycelia collectively make up the septa.
C. Tiny threadlike mycelia collectively make up the hypha.
D. Tiny threadlike hyphae collectively make up the mycelium.
E. Tiny threadlike mycelia collectively make up the dikaryote.

Tiny threadlike hyphae collectively make up the mycelium.

5

A function of rhizomorphs is:
A. secretion of enzymes
B. transport of water and minerals
C. transport of complex carbohydrates
D. production of spores
E. formation of dikaryotes

transport of water and minerals

6

A growing hypha experiences which of the following?
A. transport by vesicles of enzymes from the Golgi apparatus to the hyphal tip
B. uptake of water by osmosis
C. extension of the hyphal tip
D. transport by vesicles of cell-wall materials
E. all of the other choices provided

transport by vesicles of enzymes from the Golgi apparatus to the hyphal tip
uptake of water by osmosis
extension of the hyphal tip
transport by vesicles of cell-wall materials
E. all of the other choices provided

7

The septum in a fungus is:
A. the seventh cellular division
B. the seventh nucleus in a dikaryote cell
C. the seventh cell from the tip of the hypha
D. the demarcation between the mycelium and the fruiting body
E. cross walls separating the hyphae into cells

E. cross walls separating the hyphae into cells

8

A dikaryotic cell:
A. has only one haploid nucleus
B. has only one diploid nucleus
C. has two diploid nuclei
D. has two haploid nuclei
E. has one haploid nucleus and one diploid nucleus

has two haploid nuclei

9

Which of the following statements best describes the condition of fungal spores?
A. Sexual and asexual spores are both haploid.
B. Sexual and asexual spores are both diploid.
C. Sexual spores are haploid and asexual spores are diploid.
D. Sexual spores are diploid and asexual spores are haploid.
E. Haploid asexual spores fuse to form diploid sexual spores.

A. Sexual and asexual spores are both haploid.

10

The distinction between karyogamy and plasmogamy is:
A. Karyogamy is the fusion of nuclei and plasmogamy is the fusion of the cytoplasm.
B. Karyogamy is the fusion of cytoplasm and plasmogamy is the fusion of nuclei.
C. Karyogamy is the fusion of dikaryotic cells and plasmogamy is the fusion of gametes.
D. Karyogamy is the fusion of hyphae and plasmogamy is the fusion of mycelia.
E. Karyogamy is the fusion of nuclei and plasmogamy is the attack of blood plasma by fungal pathogens.

A. Karyogamy is the fusion of nuclei and plasmogamy is the fusion of the cytoplasm.

11

Which of the following statements best describes the difference between a dikaryon and a heterokaryon?
A. There is no difference, the two are identical.
B. A dikaryotic cell has two nuclei and a heterokaryon has three or more nuclei.
C. A dikaryotic cell is diploid and a heterokaryon is haploid.
D. A dikaryotic cell is involved in sexual reproduction and a heterokaryon is involved in asexual reproduction.
E. A dikaryotic cell is haploid and a heterokaryon is diploid.

There is no difference, the two are identical.

12

Fungal spores are dispersed by:
A. wind
B. pigs
C. raindrops
D. flies
E. all of the choices provided

wind
pigs
raindrops
flies
E. all of the choices provided

13

Ergot is:
A. a fungal disease of rye crops and other grasses
B. a carcinogen produced by fungi
C. a predatory fungus that traps nematodes
D. the cause of bread mold
E. a colorful poisonous mushroom

A. a fungal disease of rye crops and other grasses

14

Athlete's foot is caused by:
A. Candida albicans
B. Aspergillus fumigatus
C. Amanita muscaria
D. Claviceps purpurea
E. none of the choices provided

E. none of the choices provided

15

Which of the following functions is NOT carried out by decomposer fungi?
A. break down leaf litter
B. decay wood
C. decompose dead animals
D. recycle essential nutrients
E. break down pathogenic bacteria

E. break down pathogenic bacteria

16

Some fungi are called rusts because:
A. they give a reddish cast to soils in which they grow
B. they have reddish spores that emerge from the leaves of infected plants
C. the enzymes they produce for breaking down wood also causes iron to rust
D. they produce rust-colored mushrooms as fruiting bodies
E. none of the other choices provided

B. they have reddish spores that emerge from the leaves of infected plants

17

The fungus Pneumocystis carinii is of significance to AIDS patients because:
A. It is transmitted sexually and is the cause of AIDS.
B. It attacks T-cells in the same way as does AIDS and thereby increases the severity of the disease.
C. It attacks the AIDS pathogen and thereby reduces the severity of the disease.
D. It infects individuals whose immune system has been weakened by AIDS and causes pneumonia.
E. none of the other choices provided

D. It infects individuals whose immune system has been weakened by AIDS and causes pneumonia.

18

Which of the following taxa is NOT known to contain species that cultivate fungi for food?
A. leaf-cutting ants
B. humans
C. termites
D. beetles
E. nematodes

E. nematodes

19

Which of the following is NOT an advantage that fungal mycorrhizae bestow upon plants?
A. The fungus supplies water to the plant.
B. The fungus supplies mineral nutrients to the plant.
C. The fungus binds the soil and prevents erosion.
D. The fungus protects the plant against pathogens and toxins.
E. The fungus supplies organic food to the plant.

E. The fungus supplies organic food to the plant.

20

The difference between fungal endomycorrhizae and fungal endophytes is:
A. Endomycorrhizae live inside fungi and endophytes live inside plants.
B. Endomycorrhizae form arbuscules that facilitate exchanges of water and food between the fungus and plant root cells, whereas endophytes invade plant cells and provide the plant with protective antibiotics and toxins.
C. Endomycorrhizae are beneficial to its host plant but endophytes harm the host plant.
D. Endomycorrhizae form arbuscules on plant roots that produce toxins killing parasitic nematodes, whereas endophytes assist in the transport of water through the plant.
E. none of the other choices provided

B. Endomycorrhizae form arbuscules that facilitate exchanges of water and food between the fungus and plant root cells, whereas endophytes invade plant cells and provide the plant with protective antibiotics and toxins.

21

. Which of the following describe a growth form of lichens?
A. crustose
B. fruticose
C. foliose
D. all of the choices provided
E. none of the choices provided

D. all of the choices provided

22

Which of the following is NOT an advantage or beneficial material that fungi provide for their photosynthetic symbiont?
A. carbon dioxide
B. water and minerals
C. chemicals deterring grazers and pathogens
D. protection from excess light
E. oxygen

E. oxygen

23

Some lichens can reach ages of at least:
A. 2 years
B. 10 years
C. 100 years
D. 450 years
E. 4,500 years

E. 4,500 years

24

Which of the following statements best describes the benefit of lichens for humans?
A. Lichens can be used to monitor levels of chemical pollutants in the air.
B. Lichens can be used to monitor radiation levels.
C. Lichens begin soil formation by breaking down parent rock.
D. Lichens fix nitrogen.
E. all of the choices provided

Lichens can be used to monitor levels of chemical pollutants in the air.
Lichens can be used to monitor radiation levels.
Lichens begin soil formation by breaking down parent rock.
Lichens fix nitrogen.
E. all of the choices provided

25

Soredia are:
A. sexual reproductive bodies of lichens
B. asexual spores of mushrooms
C. mycelia of crustose lichens
D. identical with conidia
E. clumps of hyphae and algae that disperse lichens

clumps of hyphae and algae that disperse lichens

26

Phanerochaete chrysosporium:
A. is a wood-decay fungus that is used to bleach paper and decompose dioxin
B. is a lichen that serves as food for reindeer
C. is the cause of lung disease
D. is an hallucinogenic mushroom
E. is a rust that causes oak trees to shed their leaves prematurely

is a wood-decay fungus that is used to bleach paper and decompose dioxin

27

Which of the following is NOT a phylum of fungi?
A. Chytridiomycota
B. Zygomycota
C. Ascomycota
D. Basiodiomycota
E. Saccharomycota

E. Saccharomycota

28

The only fungi to produce cells with flagella are:
A. chytrids
B. choanflagellates
C. yeasts
D. conidia
E. bread molds

chytrids

29

The Glomeromycota are called AM fungi because:
A. They shed their spores only in the morning.
B. They produce fruiting bodies at night that only last through the following morning.
C. They produce arbuscular mycorrhizae in the cells of plant roots.
D. They decompose animal manure.
E. They grow only on the chaff of ant middens.

They produce arbuscular mycorrhizae in the cells of plant roots.

30

Batrachochytrium dendrobatidis is a chytrid fungus that:
A. forms dendritic patterns of wood decay
B. is a major pollutant in sewage wastewater
C. readily captures cyanobacteria to form a lichen
D. causes declines in frog populations
E. is a major cause of pneumonia in AIDS patients

causes declines in frog populations

31

In the life cycle of a bread mold, the stage in which diploid nuclei occur is:
A. the gametangium
B. the aseptate hypha
C. the asexual spores
D. the sporangium
E. the zygosporangium

E. the zygosporangium

32

An ascocarp is:
A. a species of carp from the Asco River in Peru that is host to parasitic glomeromycotan fungi
B. the fruiting body of a sac fungus
C. an asexual spore of a sac fungus
D. an asexual spore of a lichen
E. the fruiting body of wood-decay fungi

B. the fruiting body of a sac fungus

33

Which of the following kinds of fungi is NOT an ascomycete?
A. cup fungi
B. yeasts
C. morels
D. truffles
E. bread mold

E. bread mold

34

Which of the following diseases is NOT caused by an ascomycete?
A. apple scab
B. wheat rust
C. powdery mildew
D. chestnut blight
E. Dutch elm disease

B. wheat rust

35

Which of the following kinds of fungi is NOT a basidiomycete?
A. mushroom
B. shelf fungus
C. smuts
D. morels
E. puffballs

D. morels

36

A clamp connection is:
A. a ring of hyphae produced by some fungi that is used to snare nematodes
B. a bypass formed during cell division in basidiomycetes that aids distribution on nuclei
C. the connection of a basidiospore to the basidium
D. the sticky substance that holds shelf fungi onto trees
E. the hyphae that hold crustose lichens onto rocks

B. a bypass formed during cell division in basidiomycetes that aids distribution on nuclei

37

Which of the following best describes the sexual life cycle of bread mold?
A. (1) Multinucleate gametangi are produced and compatible strains undergo plasmogeny, and form (2) a heterokaryotic zygosporangium. (3) Karyogamy of the haploid nuclei takes place to form many diploid nuclei and the zygosporangium develops into a thick-walled zygospore. (4) Meiosis occurs and produces many haploid spores, that (5) are dispersed in air and germinate when finding a suitable environment.
B. (1) Multinucleate gametangi are produced and compatible strains undergo karyogamy and plasmogamy, and form (2) a heterokaryotic zygosporangium. (3) Meiosis of the diploid nuclei takes place to form many haploid nuclei and the zygosporangium develops into a thick-walled zygospore. (4) Fusion of haploid nuclei occurs and produces spores, that (5) are dispersed in air and germinate when finding a suitable environment.
C. (1) Uninucleate gametangi are produced and compatible strains undergo plasmogeny and form (2) a dikaryotic zygosporangium. (3) Karyogamy forms a diploid nucleus and the zygosporangium develops into a thick-walled zygospore. (4) Meiosis of diploic nuclei occurs and produces four haploid spores, that (5) are dispersed in air and germinate when finding a suitable environment.
D. (1) Multinucleate zygosporangia develop thick walls and undergo plasmogamy with compatible strains (2) to form a heterokaryotic gametangium. (3) Karyogamy of the haploid nuclei takes place to form many diploid nuclei and they develop into thick-walled spores. (4) These undergo plasmogamy and produce diploid spores, that (5) are dispersed in air and germinate when finding a suitable environment.
E. (1) Multinucleate gametangi with diploid nuclei are produced and compatible strains undergo meiosis (2) to produce a heterokaryotic zygosporangium with haploid nuclei. (3) Karyogamy of these nuclei takes place to form diploid nuclei that have a dark, thick wall. (4) These develop into spores, that (5) are dispersed in air and germinate when finding a suitable environment.

A. (1) Multinucleate gametangi are produced and compatible strains undergo plasmogeny, and form (2) a heterokaryotic zygosporangium. (3) Karyogamy of the haploid nuclei takes place to form many diploid nuclei and the zygosporangium develops into a thick-walled zygospore. (4) Meiosis occurs and produces many haploid spores, that (5) are dispersed in air and germinate when finding a suitable environment.

38

The sporangia (asci) of ascomycetes each ultimately produces:
A. eight diploid spores
B. four genetically identical haploid spores
C. four haploid spores, each genetically different
D. eight identical haploid spores
E. eight haploid spores, of which there are two each of four different genetic types

E. eight haploid spores, of which there are two each of four different genetic types

39

An individual basidium ultimately produces:
A. eight diploid spores
B. four genetically identical haploid spores
C. four haploid spores, each genetically different
D. eight identical haploid spores
E. eight haploid spores, of which there are two each of four different genetic types

C. four haploid spores, each genetically different

40

The hyphae of basidiomycetes:
A. can contain one diploid nucleus
B. can contain one haploid nucleus
C. can be dikaryotic
D. can be heterokaryotic
E. can be any of the choices provided except "one diploid nucleus"

E. can be any of the choices provided except "one diploid nucleus"