Bio250 Lecture Quiz 2 Questions with Accurate
Solutions
What are Robert Koch's Postulates used for? - ANSWER Linking a specific organism to a specific
disease.
Microbiology and medicine have always been clearly different from one another. - ANSWER
False
Microbes make up approximately how much of the earth's biomass? - ANSWER 60%
Which of these physicians were most critical to the development of aseptic technique? -
ANSWER Joseph Lister and Ignaz Semmelweis
Which of these is most correct regarding the nature of a disease? - ANSWER Disease depends
on the causative organism, the response of the host's immune system, and the manner in
which it is contracted.
What is a bacteriophage? - ANSWER A virus that attacks specific kinds of bacteria
Which of the following is not typically studied in microbiology? - ANSWER Multicellular plants
The theory of spontaneous generation states that: - ANSWER living organisms arise from non-
living sources.
Why was the concept and practice of aseptic technique laid out by Ignaz Semmelweiss and
Joseph Lister slow to gain acceptance? - ANSWER Physicians were resistant to change accepted
methods.
Solutions
What are Robert Koch's Postulates used for? - ANSWER Linking a specific organism to a specific
disease.
Microbiology and medicine have always been clearly different from one another. - ANSWER
False
Microbes make up approximately how much of the earth's biomass? - ANSWER 60%
Which of these physicians were most critical to the development of aseptic technique? -
ANSWER Joseph Lister and Ignaz Semmelweis
Which of these is most correct regarding the nature of a disease? - ANSWER Disease depends
on the causative organism, the response of the host's immune system, and the manner in
which it is contracted.
What is a bacteriophage? - ANSWER A virus that attacks specific kinds of bacteria
Which of the following is not typically studied in microbiology? - ANSWER Multicellular plants
The theory of spontaneous generation states that: - ANSWER living organisms arise from non-
living sources.
Why was the concept and practice of aseptic technique laid out by Ignaz Semmelweiss and
Joseph Lister slow to gain acceptance? - ANSWER Physicians were resistant to change accepted
methods.
