OpenStax Microbiology Test Bank Chapter 5: The Eukaryotes of Microbiology * = Correct answer Multiple Choice 1. Protozoa are best described as being: A. nonphotosynthetic multicellular microorganisms B. nonphotosynthetic unicellular microorganisms* C. photosynthetic multicellular microorganisms D. ...
openstax microbiology test bank chapter 5 the eukaryotes of microbiology correct answer multiple choice 1 protozoa are best described as being a nonphotosynthetic multicellular microorganisms
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OpenStax Microbiology Test Bank Chapter 5: The Eukaryotes of
Microbiology
* = Correct answer
Multiple Choice
1. Protozoa are best described as being:
A. nonphotosynthetic multicellular microorganisms
B. nonphotosynthetic unicellular microorganisms*
C. photosynthetic multicellular microorganisms
D. photosynthetic unicellular microorganisms
Difficulty: Easy
ASM Standard: 9
2. Which of the following best describes zooplankton?
A. eukaryotes that are nonphotosynthetic and motile*
B. eukaryotes that are photosynthetic and motile
C. prokaryotes that are nonphotosynthetic and nonmotile
D. prokaryotes that are photosynthetic and nonmotile
Difficulty: Easy
ASM Standard: 9
3. Where is the pellicle found within a protozoan?
A. as part of cilia
B. beneath the cell membrane*
C. surrounding the nucleus
D. within chloroplasts
Difficulty: Easy
ASM Standard: 13
4. Which of the following is not a structure used for locomotion by protists?
A. cilia
B. contractile vacuoles*
C. flagella
D. pseudopods
Difficulty: Moderate
ASM Standard: 9
5. Which structures associated with locomotion in protists can be described as short, hair-
likestructures that extend from the surface of the cell?
A. cilia*
B. contractile vacuoles
, C. flagella
D. pseudopods
Difficulty: Easy
ASM Standard: 9
6. Pseudopod formation requires which cytoskeletal component?
A. actin filaments*
B. collagen fibers
C. intermediate filaments
D. microtubules
Difficulty: Moderate
ASM Standard: 9
7. The organelle in protists that regulates osmolarity is known as which of the following?
A. contractile vacuole*
B. hydrogenosome
C. kinetoplasmid
D. plasmalemma
Difficulty: Easy
ASM Standard: 12
8. Cytoprocts are specialized structures that carry out which cellular process?
A. endocytosis
B. exocytosis*
C. phagocytosis
D. syngamy
Difficulty: Moderate
ASM Standard: 12
9. Which organism is best known as the “brain-eating amoeba”?
A. Acanthamoeba keratitis
B. Entamoeba histolytica
C. Giardia lamblia
D. Naegleria fowleri*
Difficulty: Moderate
ASM Standard: N/A
10. An important slime mold used in research is Dictyostelium discoideum. In this species,
individual amoeboid cells that aggregate into multicellular mobile slugs, each forming
afruiting body that produces haploid spores, are known as which of the following?
A. cellular slime molds*
, B. plasmodium slime molds
C. pseudohyphae
D. sporangia
Difficulty: Moderate
ASM Standard: N/A
11. During the asexual life cycle described in the textbook, cellular slime molds produce
whichof the following?
A. gametes
B. spores*
C. gametes and spores
D. neither gametes nor spores
Difficulty: Moderate
ASM Standard: N/A
12. Plasmodial slime molds produce which of the following:
A. gametes but no spores
B. gametes that divide into spores
C. spores but no gametes
D. spores that divide into gametes*
Difficulty: Moderate
ASM Standard: 13
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