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This section includes 15 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. |
Bubble column reactor provides better mixing than airlift reactors. |
A. | True |
B. | False |
Answer» C. | |
2. |
In a bubble column reactor, the mass transfer depends on the size of the bubble. |
A. | True |
B. | False |
Answer» B. False | |
3. |
Which of the following class of microorganisms causes less threat to a man? |
A. | Low-risk microorganisms |
B. | High-risk microorganisms |
C. | Medium-risk microorganisms |
D. | Environmental-risk microorganisms |
Answer» E. | |
4. |
EFB Class 4 consists of ___________ |
A. | Low-risk microorganisms |
B. | High-risk microorganisms |
C. | Medium-risk microorganisms |
D. | Environmental-risk microorganisms |
Answer» C. Medium-risk microorganisms | |
5. |
Which of the following class consists of microorganisms which are causing disease in man and are hazardous to workers? |
A. | EFB Class 3 |
B. | EFB Class 1 |
C. | EFB Class 2 |
D. | EFB Class 4 |
Answer» D. EFB Class 4 | |
6. |
Which of the following class consists of microorganisms which are not causative agents? |
A. | EFB Class 1 |
B. | EFB Class 2 |
C. | EFB Class 3 |
D. | EFB Class 4 |
Answer» B. EFB Class 2 | |
7. |
The Borosilicate glass does not contain ________ |
A. | SiO<sub>2</sub> |
B. | B<sub>2</sub>O<sub>3</sub> |
C. | Al<sub>2</sub>O<sub>3</sub> |
D. | KH<sub>2</sub>PO<sub>4</sub> |
Answer» E. | |
8. |
What is the function of carbon in stainless steel? |
A. | Improves resistance to corrosion |
B. | Improves ductility |
C. | Reduces sensitization |
D. | Improves halogen resistance |
Answer» D. Improves halogen resistance | |
9. |
Which of the following bioreactor consists of a vessel replaced by a multilayered bag? |
A. | Single Use bioreactors |
B. | Perfusion bioreactors |
C. | Airlift bioreactor |
D. | Tower bioreactor |
Answer» B. Perfusion bioreactors | |
10. |
Which of the following is used to grow anchorage-dependent cells? |
A. | Airlift fermenter |
B. | Tower fermenter |
C. | Hollow fibre chamber |
D. | Perfusion bioreactor |
Answer» D. Perfusion bioreactor | |
11. |
In which of the following fermenters the impellers are replaced by the constant flow of gas? |
A. | Airlift fermenter |
B. | Tower fermenter |
C. | Hollow fibre |
D. | Perfusion bioreactor |
Answer» B. Tower fermenter | |
12. |
Which of the following fermenters are characterized by height to diameter ratio? |
A. | Tower fermenter |
B. | Airlift fermenter |
C. | Hollow fibre |
D. | Perfusion bioreactor |
Answer» B. Airlift fermenter | |
13. |
The bioreactor is not capable of ______________ |
A. | Producing aseptic conditions |
B. | Meeting containment regulations |
C. | Controlling pH |
D. | Produce electricity |
Answer» E. | |
14. |
The small-scale bioreactors have volume of __________ |
A. | 5-10 litres |
B. | 10-20 litres |
C. | 1-10 litres |
D. | 1-20 litres |
Answer» E. | |
15. |
In World War II, the fermentation was used for the production of _____________ |
A. | Alcohol |
B. | Antibiotics |
C. | Wine |
D. | Beer |
Answer» C. Wine | |