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36. In the stationary phase
A. growth is proportional to death
B. growth rate is equal to death rate
C. growth rate is lesser than death rate
D. no co-relation exists between death rate and growth rate
37. Which of the following is an example of a mathematical model?
A. Volume of cuboid = length x breadth x height
B. The Monod Model
C. The Michaelis Menten Equation
D. All of the above
38. Biomass concentrations during fermentation is
A. diluting the samples to optical density less than 0.3
B. monitored by controlling the changes in biomass concentrations
C. considering that optical density is proportional to the surface area of the biomass in the sample
D. all of the above
39. Chemostats work on the principle of
A. maintaining constant volume of culture medium
B. maintaining continuous flow of nutrients
C. maintaining uniform nutrients concentration
D. operating at higher pressure
40. During the exponential phase the maximum specific growth rate equals the specific growth rate as
A. concentration of the growth-limiting substrate is much less than the Monod constant
B. concentration of growth-limiting substrate is much greater than the Monod constant
C. specific growth rate increases exponentially
D. concentration of the growth-limiting substrate is equal to the Monod constant
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