Microbiology 020 - General Microbiology » Fall 2020 » Lab Quiz 2

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
Which of the following can influence microbial growth?
A.   Temperature
B.   Atmospheric gases
C.   Osmotic pressure
D.   All of these can influence microbial growth
Question #2
Bacteria are ubiquitous, found nearly everywhere.
A.   FALSE
B.   TRUE
Question #3
Bacteria are only found on inanimate objects.
A.   TRUE
B.   FALSE
Question #4
Most of the bacteria that we study prefer…
A.   Moderate temperatures (20-40˚C)
B.   All of these are correct
C.   Neutral pH
D.   Oxygen
Question #5
In the lab simulation, you compared growth of bacteria from several different environments and situations. Which of the following showed the least bacterial growth?
A.   keyboard
B.   cash
C.   without disinfecting the bench top
D.   after handwashing
Question #6
The best time period to observe incubated cultures is between ________ hours.
A.   2-4
B.   72
C.   4-12
D.   24-28
Question #7
When working in the laboratory, aseptic techniques are important because…
A.   it allows for more growth of the bacteria
B.   it helps to minimize contamination
C.   it allows you to keep accurate measurements
D.   none of these are correct
Question #8
Cultures that have only one type of organism are known as…
A.   Broth cultures
B.   Mixed cultures
C.   Slant cultures
D.   Pure cultures

Need help with your exam preparation?

Existing Quiz Clients Login here