Exam 1 MIBO 2500
There are 50 questions, each question worth 2 pts, totaling 100 points.
Please be sure to double check
your answers from this test paper and those on the scantron are the same.
Hand in the scantron and
take home the test paper.
Anthony van Leeuenhoek was the first to invent microscopes.
What was the purpose of the elongated flask neck in Pasteur’s experiment to disprove spontaneous
To prevent oxygen from getting to the broth
To create a humid environment inside the flask
To keep dust carrying bacteria from reaching the broth
To make it easier to snap off the neck during the experiment
There was not purpose, Pasteur thought it looked cool that way
What was so “lucky” about Pasteur’s experiment that allowed his cooled broth to remain clear for
months after boiling?
Pasteur’s broth did not contain endospores
Pasteur boiled his broth instead of steaming it
Pasteur’s flask was thoroughly cleaned before use
Pasteur used a “swan-necked” flask
The air of Pasteur’s laboratory was fairly clean
What is the actual source of
O157:H7 that leads to contaminated lakes, rivers or
Mud and sediment
Human small intestine
Cow gastrointestinal tract
Classify the order of organisms as either
which causes stomach ulcers
which is found in deep sea thermal vents
Arrange according to size from SMALLEST
Prion, helminth, algae,
, helminth, prion
, prion, virus
, algae, helminth
Virus, prion, algae,
Which of the following are applications of microbiology?
Cleaning up environmental pollutants
Creation of fermented food products like beer and ale
Creation of vaccinations
Tracking down and finding the source and transmission of infectious diseases
All of the above