Fundamentals of Control

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Fundamentals of Control

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A high concentration of which of the following compounds in the material generally increases the thermal resistance of microorganisms?
A
proteins
B
carbohydrates
C
lipids
D
salts
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The effectiveness of heat in killing microorganisms is much greater in .....
A
acid
B
alkali
C
neutral
D
acid and alkali
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A suspension of E.coli exposed to a heat treatment may yield a greater number of survivors if a plating medium of ..... is used.
A
peptone
B
trypticase soy agar
C
deoxycholate agar
D
potato dextrose
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
We require less time to kill the population of many cells.
A
True
B
False
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following show the maximum resistance to physical and chemical agents?
A
Viruses
B
Mold spores
C
Bacterial spores
D
E.coli
There are 5 questions to complete.