OpenStax Microbiology Test Bank Chapter 5: The Eukaryotes of Microbiology

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 TESTBANKSELLER.COM 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-like structures 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 TESTBANKSELLER.COM 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 a fruiting 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 which of 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. gamete