200 Best MCQs on sterilization- biochemical engineering
Q25). The mechanical means of accomplishing sterilization of fermentation media/equipment is
a).ultrasonic
b).radiation
c).chemical agents
d).none of these
Correct Answer:
ultrasonic
Explaination:
Q26). The radius of the filter with a depth of 14 cm required for a volumetric airflow rate of 10 m^3/min is approximately
a).1.6 m
b).0.6 m
c).3
d).6 m
Correct Answer:
0.6 m
Explaination:
Q27). The moist heat is more effective than the dry heat because the intrinsic heat resistance of vegetative cells is greatly
a).increased in a dry state
b).decreased in a dry state
c).increased in a wet state
d).decreased in a wet state
Correct Answer:
increased in a dry state
Explaination:
Q28). The destruction of microorganisms by steam may be described as
a).first order chemical reaction
b).zero order chemical reaction
c).second order chemical reaction
d).none of these
Correct Answer:
first order chemical reaction
Explaination: