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Q1
Question 1: In some cases a combination of direct and indirect heat exchangers may be used. This is especially true for what type of broths
protein-containing broths
wax-containing broths
water-containing broths
starch-containing broths
Q2
Question 2: The heat exchangers are used to __________.
Maintain high temperature
Maintain low temperature
Maintain low pressure
Maintain high pressure
Q3
Question 3: The use of the Del factor in the scale up of batch sterilization processes has been discussed by Banks in __________.
Q4
Question 4: Aerobic fermentations require the continuous addition of considerable quantities of __________?
sterile light
sterile proteins
sterile air
sterile water
Q5
Question 5: Which carbon source has great application for SCP production?
Cellulose
Starch
Methanol
Methane
Q6
Question 6: Which of the following material is preferable for the construction of small-scale fermenter?
Quartz
Glass
Iron steel
Wood
Q7
Question 7: The fermenter would be spared the corrosion which may occur with medium at __________.
high temperature
Low temperature
Medium temperature
Moderate temperature
Q8
Question 8: Which of the following is not the type of modern agitator?
SCABA
Prochem Maxflo
Lightning A315
New Brunswick Scientific
Q9
Question 9: What led to the development of Walhof-type fermenter?
Yeast growth
Bacterial growth
Viral growth
Fungi growth
Q10
Question 10: Media for animal-cell culture cannot be sterilized by steam because they contain __________?
heat-labile proteins
heat-labile wood
heat-labile wax
heat-labile food