EXAM 2 UTA MICROBIOLOGY QUESTIONS WITH CORRECT ANSWERS

EXAM 2 UTA MICROBIOLOGY QUESTIONS WITH
CORRECT ANSWERS 2026-2027

Why can prokaryotes be found almost anywhere? - CORRECT ANSWER -
They are able to switch their metabolic or respiration methods



Describe mutualism - CORRECT ANSWER -Both organisms benefit



Describe amensalism - CORRECT ANSWER -One organism is harmed, the other is unaffected



Describe commensalism - CORRECT ANSWER -
one organism benefits and the other is unaffected



Describe neutralism - CORRECT ANSWER -both organisms are unaffected



Describe parasitism - CORRECT ANSWER -One organism benefits and the other is harmed



What is the difference between a resident and transient microbe? - CORRECT ANSWER -
A resident microbe is constantly living in/on our bodies

A transient microbe is temporary



What does the gram negative phyla include? - CORRECT ANSWER --proteobacteria

-spirochete

-FCB group

-planctomycetes



What does the gram postivie phylum include? - CORRECT ANSWER --actinobacteria

-firmicutes

,What makes up the bulk of all gram negative bacteria? - CORRECT ANSWER -Proteobacteria

-alpha

-beta

-gamma

-delta

-epsilon



Define oligotrophs - CORRECT ANSWER -organisms that live in a low nutrient environment



What does it mean for a microbe to be an obligate intracellular organism? -
CORRECT ANSWER -the microbe MUST BE in a host cell for metabolic function to occur



What is the causative agent of Rocky Mountain spotted fever and typhus fever? -
CORRECT ANSWER -Rickettsia spp.



What is the causative agent for lymphogranuloma venereum (STD)? - CORRECT ANSWER -
Chlamydia spp.



What is the class of the Rickettsia spp.? - CORRECT ANSWER -Alphaproteobacteria



What is the class of Chlamydia spp.? - CORRECT ANSWER -Alphaproteobacteria



Which class is full of oligotrophs? - CORRECT ANSWER -Alphaproteobacteria



What is the causative agent for whooping cough? - CORRECT ANSWER -Bordetella spp.

, What class does Pseudomonas belong to? - CORRECT ANSWER -Gammaproteobacteria
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




What does it mean to be a eutroph? - CORRECT ANSWER -
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




The microbe requires a nutrient rich environment to survive
X2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




Which class is made up of eutroph? - CORRECT ANSWER -Betaproteobacteria
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




Which class is the largest and most diverse? - CORRECT ANSWER -Gammaproteobacteria
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




What class does Pasteurella Haemonlytica belong to? - CORRECT ANSWER -
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




Gammaproteobactera
X2




What is the causative agent for severe pneumonia in animals? - CORRECT ANSWER -
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




Pasteurella haemolytica
X2 X 2




What is the causative agent for upper and lower respiratory infections? -
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




CORRECT ANSWER -Haemophilus influenza
X2 X 2 X 2 X 2




What is the causative agent for infection of wounds, urinary tract, and respiratory tract? -
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




CORRECT ANSWER -Pseudomonas aeruginosa
X2 X 2 X 2 X 2




What class does Haemoplilus belong to? - CORRECT ANSWER -Gammaproteobacteria
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




What class does Vibrio belong to? - CORRECT ANSWER -Gammaproteobacteria
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




What class does Legionella belong to? - CORRECT ANSWER -Gammaproteobacteria
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2