Which one of the following bioreactor configurations is the basis for a trickling biological filter?
A. Stirred tank
B. Packed bed
C. Air lift
D. Fluidized bed
Answer: Option B
This Question Belongs to Biotechnology Engineering >> Microbial Biotechnology
The precursor for penicillin-G biosynthesis during fermentation process is
A. Phenylacetic acid
B. Phenoxyacetic acid
C. Acetic acid
D. None of the above
Which of the following eukaryotic organisms has been proven to be of great industrial importance?
A. Penicillium chrysogenum
B. Saccharomyces cerevisiae
C. Bacillus subtilis
D. Streptomyces griseus
Oils rich in PUFA are not desirable for biodiesel production because
A. They form epoxides in presence of oxygen
B. They do not form epoxides in presence of oxygen
C. They have high ignition temperature
D. They solidify at low temperature
A. P-3, Q-1, R-4, S-2
B. P-3, Q-4, R-1, S-2
C. P-2, Q-3, R-1, S-4
D. P-2, Q-1, R-4, S-3
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