Explore topic-wise MCQs in Fermentation Technology.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Fermentation Technology knowledge and support exam preparation. Choose a topic below to get started.

1.

SSF occurs in the presence of the liquid medium.

A. True
B. False
Answer» C.
2.

The concentration of products is low in SSF.

A. True
B. False
Answer» C.
3.

Which of the following bioreactor mix intermittently without forced aeration?

A. Packed-bed bioreactors
B. Rotating drum bioreactors
C. Spouted-bed bioreactors
D. Fluidized-bed bioreactors
Answer» C. Spouted-bed bioreactors
4.

Which of the following physicochemical factor does not affect SSF?

A. Pressure
B. Temperature
C. pH
D. Moisture content
Answer» B. Temperature
5.

Which of the following requires a substrate as support?

A. Submerged fermentation
B. Surface fermentation
C. Solid state fermentation
D. Batch fermentation
Answer» D. Batch fermentation
6.

Which of the following bioreactor is used in group-1 SSF?

A. Rotating drum
B. Stirred-bed
C. Packed bed
D. Tray
Answer» E.
7.

Which of the following is not true of solid state fermentation (SSF)?

A. Easy downstream process
B. Small-size bioreactors are used
C. Greater chances of contamination
D. Less consumption of energy
Answer» D. Less consumption of energy
8.

Which of the following process occurs in the absence of free liquid?

A. Submerged fermentation
B. Batch fermentation
C. Solid state fermentation
D. Continuous fermentation
Answer» D. Continuous fermentation
9.

Which of the following process proceeds with having a rich fermentation broth and high oxygen concentration?

A. Submerged fermentation
B. Surface fermentation
C. Solid state fermentation
D. Batch fermentation
Answer» B. Surface fermentation
10.

Which of the following is not true for submerged liquid fermentation?

A. The concentration of media is lower
B. Small-size bioreactors are used
C. Easy sampling
D. Expensive downstream processing
Answer» C. Easy sampling
11.

In which of the following the microorganisms grow inside the medium?

A. Submerged fermentation
B. Surface fermentation
C. Solid state fermentation
D. Batch fermentation
Answer» B. Surface fermentation
12.

Which of the following grows on the surface of the medium when Aspergillus niger is inoculated?

A. Slime layer
B. Mycelium layer
C. Foam layer
D. Capsule
Answer» C. Foam layer
13.

Which of the following is not required in surface fermentation?

A. Aeration
B. Baffles
C. Agitation
D. Stirrer
Answer» D. Stirrer
14.

In which of the following the microorganisms grow on the surface of the medium?

A. Submerged fermentation
B. Surface fermentation
C. Solid state fermentation
D. Batch fermentation
Answer» C. Solid state fermentation