A. Continuous
B. Aerobic batch
C. Anaerobic batch
D. None of these
Related Mcqs:
- Process conditions in fermentator used for production of penicillin is____________________?
A. 25°C, 2 atm
B. 50°C, l0 atm
C. 30°C, 200 mm Hg (absolute)
D. 90°C, 45 atm - Production of alcohol by fermentation of molasses is a/an _____________ process?
A. Anaerobic
B. Aerobic
C. Endothermic
D. Both B. and C. - Penicillin, an antibiotic drug was discovered by__________________?
A. Alexander
B. Flaming
C. Doctor Zhivago
D. None of these - Penicillin is separated from fermented broth by ____________________?
A. Extraction with amyl or butyl acetate
B. Ternary Azeotropic distillation
C. Evaporator in calandria
D. Extractive distillation - Fermentation is adversely affected by the____________________?
A. Presence of air
B. Absence of air
C. High concentration
D. Presence of ammonium salts - Air used in aerobic fermentation must be sterilized, otherwise the ___________________?
A. Recovery of product will be difficult
B. Contamination of pure culture would result
C. Uniformity of product cannot be achieved
D. None of these - Fermentation of molasses to produce ethyl alcohol is done at ________________ °C?
A. 20 – 30
B. < – 5
C. 100 – 150
D. 250 – 300 - Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is ____________ °C?
A. -5 to 0
B. 5 to 10
C. 30 to 50
D. 75 to 80 - At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?
A. Independent of
B. Directly proportional to
C. Inversely proportional to
D. Proportional to the square of - Solvay process as compared to dual process (i.e. modified Solvay process) ?
A. Can use low grade brine
B. Has less corrosion problems
C. Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl
D. Both B. and C.
