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Microbiology Test Chapters 11-15 Practice Questions and Answers (100% Pass)
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Microbiology Test Chapters 11-15 Practice Questions and Answers (100% Pass)
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©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AMMicrobiology Test Chapters 11-15 Practice
Questions and Answers (100% Pass)
Actinomycetes differ from fungi in that actinomycetes
a. require light.
b. cause disease.
c. are chemoheterotrophs.
d. lack a membrane-bounded nucleus
e. are decomposers - ✔️✔️d. lack a membrane-bounded nucleus
A primary difference between cyanobacteria and other photosynthetic bacteria is
a. cell type.
b. color.
c. ability to produce oxygen.
d. energy source.
e. cell wall type. - ✔️✔️c. ability to produce oxygen
You have isolated a bacterium that grows in a medium containing only inorganic nutrients.
Ammonia is oxidized to a nitrate ion. This bacterium is
a. gram-negative.
b. using anaerobic respiration.
c. a photoautotroph.
d. a photoheterotroph.
e. a chemoautotroph - ✔️✔️e. chemoautotroph
You have isolated a prokaryotic cell. The first step in identification is a(n)
a. DNA fingerprint.
b. Gram stain
c. lactose fermentation test.
d. endospore stain.
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, ©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AM
e. flagella stain. - ✔️✔️b. gram stain
You have isolated an aerobic gram-positive, endospore-forming bacterium that grows well on
nutrient agar. To which of the following groups does it most likely belong?
a. phototrophic bacteria
b. The answer cannot be determined based on the information provided.
c. gammaproteobacteria
d. bacillales
e. deltaproteobacteria - ✔️✔️d. bacillales
Which of the following is the best reason to classify Streptococcus in the Lactobacillales?
a. rRNA sequences
b. found in dairy products
c. fermentation of lactose
d. Gram reaction
e. morphology - ✔️✔️a. rRNA sequences
Salmonella, Shigella, Yersinia, and Serratia are all
a. gram-negative facultatively anaerobic rods.
b. fermentative.
c. pathogens.
d. endospore-forming bacteria.
e. gram-positive aerobic cocci. - ✔️✔️a. gram-negative facultatively anaerobic rods
Which of the following pairs is mismatched?
Select one:
a. aerobic, helical bacteria - gram-negative
b. enterics - gram-negative
c. mycobacteria - acid-fast
d. Pseudomonas- gram positive
e. spirochete - axial filament - ✔️✔️d. Pseudomonas- gram positive
Streptomyces differs from Actinomyces because Streptomyces
Select one:
a. is a strict aerobe
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, ©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AM
b. is a bacterium.
c. produces conidia.
d. makes antibiotics.
e. forms filaments. - ✔️✔️a. is a strict aerobe
Assume you have isolated a unicellular, chemoheterotrophic organism that lives in water and
contains no cell walls, but rather a pellicle. It is most likely a(n)
Select one:
a. fungus.
b. tapeworm.
c. lichen.
d. green alga.
e. protozoan - ✔️✔️e. protozoan
All of the following are characteristic of lichens EXCEPT
Select one:
a. the algal partner produces carbohydrates that are absorbed by the fungal partner.
b. the fungal partner provides a means of attachment and protects the algal partner from
desiccation.
c. they are a major food source for tundra herbivores.
d. they are a symbiotic relationship between a fungus and a protozoan.
e. they represent a mutualistic relationship between a fungus and an alga. - ✔️✔️d. they are a
symbiotic relationship between a fungus and a protozoan.
Which of the following statements is FALSE?
Select one:
a. Fungal spores are highly resistant to heat and chemical agents.
b. Fungi produce asexual spores.
c. Fungi produce sexual spores.
d. Fungal spores are for asexual or sexual reproduction.
e. Fungal spores are used in identification of fungi. - ✔️✔️a. Fungal spores are highly resistant
to heat and chemical agents.
Which of the following statements regarding fungi is FALSE?
Select one:
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