MICROBIOLOGY FINAL (2025/2026) EXAM
ACTUAL EXAM WITH ALL COMPLETE
QUESTIONS AND DETAILED CORRECT
Page | 1
VERIFIED ANSWERS (EXPERTLY VERIFIED)
GUARANTEED PASS|ALREADY TOP RATED A+.
MICROBIOLOGY
Pass microbiology final exam 2025/2026 with this comprehensive with confidence.
Covers questions in topics like bacteria, viruses, immune response, and lab techniques.
Perfect for students preparing to ace their microbiology final.
Disease-causing microorganisms are called ___.
A. decomposers
B. prokaryotes
C. pathogens
D. eukaryotes
E. fermenters ...... ANSWER ....... Pathogens
Which of the following is a unique characteristic of viruses that distinguishes them from
the other major groups of microorganisms?
A. Cause human disease
B. Lack a nucleus
C. Cannot be seen without a microscope
D. Contain genetic material
E. Lack cell structure ...... ANSWER ....... Lack cell structure
Koch's postulates are criteria used to establish that:
, A. microbes are found on dust particles
B. a specific microbe is the cause of a specific disease
Page | 2 C. life forms can only arise from preexisting life forms
D. A specific microbe should be classified in a specific kingdom
E. microbes can be used to clean up toxic spills ...... ANSWER ....... a specific microbe is
the cause of a specific disease
Which scientific field is involved in the identification, classification, and naming of
organisms?
A. Nomenclature
B. Taxonomy
C. Phylogeny
D. Woesean classification
E. None of the choices are correct ...... ANSWER ....... taxonomy
The smallest and most significant taxon is ___.
A. genus
B. species
C. kingdom
D. family
E. phylum ...... ANSWER ....... species
If you were a microbiologist in 1950, which of the following scientific principles would
you already know?
A. Aseptic techniques could reduce the number of wound infections in the surgical
setting.
, B. Very little DNA is transcribed into RNA that is then translated into proteins.
C. Enzymes found in bacteria can be used to cut DNA.
D. Biofilms can form on implanted objects in the human body and be responsible for
infection. ...... ANSWER ....... Aseptic techniques could reduce the number of wound
Page | 3 infections in the surgical setting.
When humans manipulate the genes of microorganisms, this process is called ___.
A. bioremediation.
B. genetic engineering.
C. epidemiology.
D. immunology.
E. taxonomy. ...... ANSWER ....... genetic engineering
The study of evolutionary relationships among organisms is called ___.
A. biotechnology
B. genetics
C. recombinant DNA
D. phylogeny
E. taxonomy ...... ANSWER ....... phylogeny
The Five I's of studying microorganisms include all of the following except ___.
A. inoculation
B. incubation
C. infection
D. isolation
E. identification ...... ANSWER ....... infection
, The type of microscope in which you would see brightly illuminated specimens against a
black background is ___.
Page | 4
A. bright field
B. dark field
C. phase contrast
D. fluorescence
E. electron ...... ANSWER ....... dark field
Which of the following is not a human use of microorganism?
A. making bread
B. treating water and sewage
C. manufacturing copper wire
D. mass producing antibiotics
E. cleaning up oil spills ...... ANSWER ....... manufacturing copper wire
The Gram staining procedure is best described as a(n) ___ staining technique.
A. acid-fast or Zeihl-Nelson
B. differential
C. capsule
D. flagellar
E. simple ...... ANSWER ....... differential
A nutrient medium that has all of its chemical components identified, and their precise
concentrations known and reproducible, would be termed ___.
ACTUAL EXAM WITH ALL COMPLETE
QUESTIONS AND DETAILED CORRECT
Page | 1
VERIFIED ANSWERS (EXPERTLY VERIFIED)
GUARANTEED PASS|ALREADY TOP RATED A+.
MICROBIOLOGY
Pass microbiology final exam 2025/2026 with this comprehensive with confidence.
Covers questions in topics like bacteria, viruses, immune response, and lab techniques.
Perfect for students preparing to ace their microbiology final.
Disease-causing microorganisms are called ___.
A. decomposers
B. prokaryotes
C. pathogens
D. eukaryotes
E. fermenters ...... ANSWER ....... Pathogens
Which of the following is a unique characteristic of viruses that distinguishes them from
the other major groups of microorganisms?
A. Cause human disease
B. Lack a nucleus
C. Cannot be seen without a microscope
D. Contain genetic material
E. Lack cell structure ...... ANSWER ....... Lack cell structure
Koch's postulates are criteria used to establish that:
, A. microbes are found on dust particles
B. a specific microbe is the cause of a specific disease
Page | 2 C. life forms can only arise from preexisting life forms
D. A specific microbe should be classified in a specific kingdom
E. microbes can be used to clean up toxic spills ...... ANSWER ....... a specific microbe is
the cause of a specific disease
Which scientific field is involved in the identification, classification, and naming of
organisms?
A. Nomenclature
B. Taxonomy
C. Phylogeny
D. Woesean classification
E. None of the choices are correct ...... ANSWER ....... taxonomy
The smallest and most significant taxon is ___.
A. genus
B. species
C. kingdom
D. family
E. phylum ...... ANSWER ....... species
If you were a microbiologist in 1950, which of the following scientific principles would
you already know?
A. Aseptic techniques could reduce the number of wound infections in the surgical
setting.
, B. Very little DNA is transcribed into RNA that is then translated into proteins.
C. Enzymes found in bacteria can be used to cut DNA.
D. Biofilms can form on implanted objects in the human body and be responsible for
infection. ...... ANSWER ....... Aseptic techniques could reduce the number of wound
Page | 3 infections in the surgical setting.
When humans manipulate the genes of microorganisms, this process is called ___.
A. bioremediation.
B. genetic engineering.
C. epidemiology.
D. immunology.
E. taxonomy. ...... ANSWER ....... genetic engineering
The study of evolutionary relationships among organisms is called ___.
A. biotechnology
B. genetics
C. recombinant DNA
D. phylogeny
E. taxonomy ...... ANSWER ....... phylogeny
The Five I's of studying microorganisms include all of the following except ___.
A. inoculation
B. incubation
C. infection
D. isolation
E. identification ...... ANSWER ....... infection
, The type of microscope in which you would see brightly illuminated specimens against a
black background is ___.
Page | 4
A. bright field
B. dark field
C. phase contrast
D. fluorescence
E. electron ...... ANSWER ....... dark field
Which of the following is not a human use of microorganism?
A. making bread
B. treating water and sewage
C. manufacturing copper wire
D. mass producing antibiotics
E. cleaning up oil spills ...... ANSWER ....... manufacturing copper wire
The Gram staining procedure is best described as a(n) ___ staining technique.
A. acid-fast or Zeihl-Nelson
B. differential
C. capsule
D. flagellar
E. simple ...... ANSWER ....... differential
A nutrient medium that has all of its chemical components identified, and their precise
concentrations known and reproducible, would be termed ___.
