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Flashcards in Unit 10 Bio Test Deck (65)
0

Which phylum contains the only fungi with flagellates spores?

chytridiomycota

1

Plasmodium depends on the mosquito during its life cycle... what would happen if mosquitoes disappeared?

the plasmodium life cycle would be interrupted and the infection could not be passed on

2

Which two of the following genera have members that can invade the human immune system by frequently changing their surface proteins?
1) plasmodium
2) trichonympha
3) trypanosoma
4) zooxanthellae

1,4

3

What makes certain red algae appear red?

they possess pigments that reflect and transmit red light

4

Lichens are symbiotic associations of fungi and ________.

either cyanobacteria or green algae

5

Which of the following is true of fungi?
A) like protists, they are eukaryotic
B) like so prokaryotes, they are autotrophic
C) like animals, they lack cell walls
D) like plants, they carry out photosynthesis

A) like protists, they are eukaryotic

6

The fungi are similar to ________ because _____________________.

1) bacteria
2) they can both go through extracellular digestion by releasing digestive enzymes

7

During what process do two protists exchange genetic material?

conjugation

8

In both lichens and mycorrhizae, what does the fungal partner provide to its photosynthetic partner?

water and minerals

9

Both fungus-farming ants and their fungi can synthesize the same structural polysaccharide from glucose. What is this polysaccharide?

chitin

10

Plasmodium: the organism that causes _______ is a _______.

1) malaria
2) sporozoan

11

Which of the following correctly pairs a protist with one of its characteristics?
A) sporozoan: parasitic
B) amoeba: flagella
C) euglena: cilia
D) ciliates: pseudopods

A) sporozoan: parasitic

12

If all fungi in an environment that perform decomposition were to suddenly die, then which group of organisms should benefit most, due to the fact that their fungal competitors have been removed?

prokaryotes

13

In amoebas, food is stored in vacuoles following which method of eating?

phagocytosis

14

What is one reason why the classification of protists in one kingdom is difficult?

protists more closely resemble members of other eukaryotic kingdoms than they do other protists

15

Lichens play an important role in soil formation because they _______________.

are often the first organisms to enter barren environments

16

Ciliates get food by _____________.

sweeping food particles into their gullet

17

Which of the following protists gets nutrients mainly by absorbing molecules from other organisms through their cell walls and cell membranes?
A) flagellates
B) ciliates
C) amoebas
D) water molds

D) water molds

18

What would happen to termites is trichonympha disappeared?

termites would die because they cannot digest wood without trichonympha

19

The stiff outer membrane of paramecium connecting the cilia to the cell membrane is called the _________.

pellicle

20

Which of the following is NOT characteristic of ciliates?
A) they use cilia as locomotory structures or as feeding structures
B) they are relatively complex cells
C) they have two or more nuclei
D) they can exchange genetic material with other ciliates through mitosis
E) most live as solitary cells in fresh mater

D) they can exchange genetic material with other ciliates through mitosis

21

Which type of fungi have a mutualistic relationship by breaking down nutrients for plants?
A) parasitic fungi
B) none of the choices are correct
C) truffles
D) lichen

B) none of the choices are correct
(it's mycorrhizae)

22

Which phylum includes yeast and penicillin?

ascomycota

23

You are given an unknown organism to identify. It is unicellular and heterotrophic. It is mobile, using many short, hair-like filaments. It has well-developed organelles (such as a contractile vacuole) and a nucleus. This organism is most likely to be a member of which group?

ciliates

24

Which is a mutualistic partnership that involves a protist and a host organism?
A) cellulose-digesting protists: wood-eating termites
B) zooxanthellae: coral reefs
C) giardia: humans
D) all but C

D) all but C

25

All fungi are ___________.

heterotrophic eukaryotes

26

To move, nonmotile protists depend on ______________.

air or water currents and other organisms

27

Which analogy best describes the motion of a nonmotile protist?
A) a boat is moved forward by several oars
B) a boat is moved forward by a current
C) a boat is moved forward by a single long oar
D) a boat is moved forward by a motor

B) a boat is moved forward by a current

28

An organism with a long tail is known as a ____________.

flagellate

29

Which structure of a paramecium holds a "reserve copy" of all the cell's genes?

micronucleus

30

A pseudopod is a ___________.

a cytoplasmic projection

31

An important role of fungi in an ecosystem is ___________.

breaking down dead organisms

32

The gray-black, filamentous, haploid mycelium growing on bread is most likely what kind of organism?

zygomycete

33

What phylum has members producing sexual spores found in saclike structures?

ascomycota

34

Which of these structures are most likely to be a component of both chytrid zoospores and motile animal cells?
A) pseudopods
B) flagella
C) haustoria
D) cilia
E) pellicle

B) flagella

35

Phytoplankton are only found at the surface of the ocean waters because _____________.

they require sunlight to carry out photosynthesis

36

What structures do protists such as amoebas use for movement?

pseudopods

37

Which of the following form a mutualistic relationship with another organism?
A) giardia
B) plasmodium
C) trichonympha
D) trypanosoma

C) trichonympha

38

Which of the following is NOT true?
A) yeast are unicellular fungi
B) fungi have hyphae made of chitin
C) most fungi are unicellular
D) most fungi are multicellular

C) most fungi are unicellular

39

The tangled mass that makes up the part of a fungus that is below the soil is the ___________.

mycelium

40

What phylum contained mushrooms, shelf fungi, and puffballs?

basidiomycota

41

In a mycorrhizal relationship, what benefit does the plant get from the fungus?

aid in the absorption of water and minerals

42

Zygosporangia are to zygomycetes as basidia are to _________.

club fungi

43

The ascomycetes get their name from which aspect of their life cycle?

shape of the spore

44

Due to the small size of protists, they ______________.

do not need any special organs to exchange gases or excrete waste

they rely on simple diffusion to move gases and waste materials in and out of the cell

45

The vegetative (nutritionally active) bodies of MOST fungi are ___________.

composed of hyphae, referred to as mycelium, and usually underground

46

Which process results in genetic recombination, but is separate from the process wherein the population size of the paramecium increases?

conjugation

47

What structure contains a reserve copy of genes?

micronucleus

48

What structure is used to store food?

food vacuole

49

What structure detects light in photosynthetic protists?

eyespot

50

What structure is the indentation where food enters in a paramecium?

gullet

51

What structure controls what enters and exits the cell?

cell membrane

52

What structure releases extra water from protists?

contractile vacuole

53

What structure contains many copies of genes and controls everything in the cell?

macronucleus

54

What phylum does a paramecium belong to?

ciliophora

55

What phylum does a plasmodium belong to?

sporozoa

56

What phylum does red algae belong to?

rhodophyta

57

What phylum does brown algae belong to?

phaeophyta

58

What phylum do common molds belong to?

zygomycota

59

What phylum does club fungi belong to?

basidiomycota

60

What phylum does spirogyra belong to?

chlorophyta

61

What phylum do diatoms belong to?

chrysophyta

62

What phylum does a euglena belong to?

euglenophyta

63

What phylum does a volvox belong to?

chlorophyta

64

What phylum does a dinoflagellate belong to?

pyrrophyta