Question

During batch fermentation, in which phase the microbes in the fermenter are adapting to the new environment?

(a) Lag phase

(b) Log or exponential phase

(c) Stationary phase

(d) Death phase

I had been asked this question during an interview.

Query is from Microbial Growth Kinetics topic in section Microbial Growth Kinetics of Fermentation Technology

Answer 1

The correct option is (a) Lag phase

For explanation: Microbes in the fermenter show lag phase when they are introduced in the fermenter where they adapt themselves for a particular environment. This is the phase where microorganisms prepare themselves and produce necessary enzymes or the metabolites necessary for their growth.