MCQOPTIONS
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MCQOPTIONS
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. |
The feed solution in fed-batch culture is highly concentrated to _______ |
| A. | avoid dilution of the bioreactor |
| B. | maintain low cell density in bioreactor |
| C. | avoid lag phase |
| D. | increase productivity |
| Answer» B. maintain low cell density in bioreactor | |
| 2. |
What is the unit of substrate feed rate (G)? |
| A. | dm<sup>3</sup> |
| B. | dm<sup>3</sup> h<sup>-1</sup> |
| C. | g dm<sup>-3</sup> h<sup>-1</sup> |
| D. | g dm<sup>3</sup> |
| Answer» D. g dm<sup>3</sup> | |
| 3. |
Cyclic Fed-Batch culture has been used for the production of _______ |
| A. | Bovine serum albumin |
| B. | Penicillin |
| C. | Human serum albumin |
| D. | Cheese Production |
| Answer» D. Cheese Production | |
| 4. |
Who developed a method for the optimization of the fed-batch system? |
| A. | Shioya |
| B. | Queener |
| C. | Swartz |
| D. | Waki |
| Answer» B. Queener | |
| 5. |
In fixed-volume fed-batch culture, volume changes with fermentation time due to the substrate feed. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following is correct with respect to Fermentation? |
| A. | A process involving the mass culture of micro-organisms |
| B. | It is a fast process |
| C. | Fermented food products are always healthy |
| D. | Oxygen is produced during fermentation |
| Answer» B. It is a fast process | |
| 7. |
Which of the following was used in the production of bakers yeast? |
| A. | Batch culture |
| B. | Continuous culture |
| C. | Fed-Batch culture |
| D. | Solid state culture |
| Answer» D. Solid state culture | |
| 8. |
Which of the following does not include in the range of fermentation processes? |
| A. | Microbial Enzymes |
| B. | Microbial metabolites |
| C. | Biotransformation |
| D. | Recombinant DNA |
| Answer» E. | |
| 9. |
In Variable-volume fed-batch culture, the broth volume remains almost the constant. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
What is the condition for a Quasi-Steady state? |
| A. | = 0 |
| B. | = D |
| C. | D = F |
| D. | = F |
| Answer» C. D = F | |
| 11. |
What happens in a Quasi-Steady state? |
| A. | Specific growth increases |
| B. | Specific growth decreases |
| C. | Specific growth becomes constant |
| D. | Specific growth becomes zero |
| Answer» C. Specific growth becomes constant | |
| 12. |
Which scientist(s) described the kinetics of variable-volume fed-batch culture? |
| A. | Dunn and Mor |
| B. | Maniatis et al. |
| C. | Van t Hoff |
| D. | Maxwell |
| Answer» B. Maniatis et al. | |
| 13. |
Which of the following is a type of Fed-Batch culture? |
| A. | Variable volume |
| B. | External Feedback |
| C. | Internal Feedback |
| D. | Chemostat |
| Answer» B. External Feedback | |
| 14. |
Who introduced the term Fed-Batch ? |
| A. | Burrow et al. |
| B. | Bu Lock et al. |
| C. | Yoshida et al. |
| D. | Maniatis et al. |
| Answer» D. Maniatis et al. | |
| 15. |
The Fed-batch culture is a/an ______ culture system. |
| A. | Open |
| B. | Closed |
| C. | Isolated |
| D. | Semi-closed |
| Answer» E. | |