MICROBIOLOGY - EXAM 1 - CHAPTERS 1-4 QUESTIONS
WITH CORRECT ANSWERS 2025/2026
Antoni van Leeuwenhoek was the first person in history to... - CORRECT ANSWER -...view
protozoa and bacteria called ANIMALCULES.
Who developed the technique of vaccination to prevent smallpox? - CORRECT ANSWER -Edward
Jenner
Who advocated handwashing to prevent puerperal sepsis? - CORRECT ANSWER -Ignaz
Semmelweis
Who is responsible for infection control and epidemiology? - CORRECT ANSWER -John Snow
Who disproved spontaneous generation? - CORRECT ANSWER -Louis Pasteur
Robert Koch was involved in research on all of the following topics except...
A) the cause of anthrax.
B) the cause of fermentation.
C) development of a method to prove the cause of an infectious disease.
D) the cause of tuberculosis.
E) techniques for isolating microbes in the laboratory. - CORRECT ANSWER -...the cause of
fermentation.
The microbial production of alcohol from sugar is known as? - CORRECT ANSWER -Fermentation
, Microorganisms characterized by the absence of a nucleus are called? - CORRECT ANSWER -
Prokaryotes
The microbes commonly known as _____ are single-celled eukaryotes that possess no cell wall
and are generally motile. - CORRECT ANSWER -Protozoa
Which of the following statements about fungi is false?
A) Fungi are eukaryotes.
B) Molds form hyphae.
C) Fungi have a cell wall.
D) Fungi are photosynthetic.
E) Yeasts are unicellular - CORRECT ANSWER -Fungi are photosynthetic.
Which of the following is not a characteristic of protozoa?
A) Most exhibit asexual reproduction.
B) They are single-celled organisms.
C) They are eukaryotic organisms.
D) They are the microbes most similar to plants.
E) They frequently possess cilia or flagella. - CORRECT ANSWER -They are the microbes most
similar to plants.
Which of the following is NOT a characteristic of viruses?
A) They are visible with a light microscope.
B) They are acellular.
WITH CORRECT ANSWERS 2025/2026
Antoni van Leeuwenhoek was the first person in history to... - CORRECT ANSWER -...view
protozoa and bacteria called ANIMALCULES.
Who developed the technique of vaccination to prevent smallpox? - CORRECT ANSWER -Edward
Jenner
Who advocated handwashing to prevent puerperal sepsis? - CORRECT ANSWER -Ignaz
Semmelweis
Who is responsible for infection control and epidemiology? - CORRECT ANSWER -John Snow
Who disproved spontaneous generation? - CORRECT ANSWER -Louis Pasteur
Robert Koch was involved in research on all of the following topics except...
A) the cause of anthrax.
B) the cause of fermentation.
C) development of a method to prove the cause of an infectious disease.
D) the cause of tuberculosis.
E) techniques for isolating microbes in the laboratory. - CORRECT ANSWER -...the cause of
fermentation.
The microbial production of alcohol from sugar is known as? - CORRECT ANSWER -Fermentation
, Microorganisms characterized by the absence of a nucleus are called? - CORRECT ANSWER -
Prokaryotes
The microbes commonly known as _____ are single-celled eukaryotes that possess no cell wall
and are generally motile. - CORRECT ANSWER -Protozoa
Which of the following statements about fungi is false?
A) Fungi are eukaryotes.
B) Molds form hyphae.
C) Fungi have a cell wall.
D) Fungi are photosynthetic.
E) Yeasts are unicellular - CORRECT ANSWER -Fungi are photosynthetic.
Which of the following is not a characteristic of protozoa?
A) Most exhibit asexual reproduction.
B) They are single-celled organisms.
C) They are eukaryotic organisms.
D) They are the microbes most similar to plants.
E) They frequently possess cilia or flagella. - CORRECT ANSWER -They are the microbes most
similar to plants.
Which of the following is NOT a characteristic of viruses?
A) They are visible with a light microscope.
B) They are acellular.
