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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 | |