MCQOPTIONS
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MCQOPTIONS
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. |
Which of the following is NOT correct for Continuous fermentation? |
| A. | Setup is not changed from outside once the fermentation has started |
| B. | Nutrients are added many times |
| C. | Closer to the natural environment |
| D. | The small size of fermenters are required |
| Answer» B. Nutrients are added many times | |
| 2. |
The continuous culture or fermentation can be used to produce _______ |
| A. | Biomass |
| B. | Primary metabolites |
| C. | Secondary metabolites |
| D. | Antibodies |
| Answer» C. Secondary metabolites | |
| 3. |
Which carbon source has great application for SCP production? |
| A. | Cellulose |
| B. | Starch |
| C. | Methanol |
| D. | Methane |
| Answer» B. Starch | |
| 4. |
All the constituents of medium are excess in _______ |
| A. | Chemostat |
| B. | Turbidostat |
| C. | Batch culture |
| D. | Fed-Batch culture |
| Answer» B. Turbidostat | |
| 5. |
Which of the following is not the type of continuous brewing? |
| A. | Cascade system |
| B. | Multistage system |
| C. | Tower system |
| D. | Extract brewing |
| Answer» E. | |
| 6. |
In continuous culture, the turnover rate is high. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
What are the disadvantages of continuous culture? |
| A. | It can rarely be used for other productions |
| B. | The growth rate is higher |
| C. | If contamination occurs, huge volumes of the product may be lost |
| D. | It is very useful for processes involving the production of primary metabolites |
| Answer» D. It is very useful for processes involving the production of primary metabolites | |
| 8. |
Which scientist(s) gave a full kinetic description of external and internal feedback system? |
| A. | Monod |
| B. | Pirt |
| C. | Bull |
| D. | Harte and Webb |
| Answer» C. Bull | |
| 9. |
The chemostat and turbidostat are the types of bioreactors that are used in which of the following culture? |
| A. | Batch culture |
| B. | Continuous culture |
| C. | Fed-Batch culture |
| D. | Solid State culture |
| Answer» C. Fed-Batch culture | |
| 10. |
What is the unit of flow rate (F)? |
| A. | dm<sup>3</sup> h<sup>-1</sup> |
| B. | km<sup>3</sup> h<sup>-1</sup> |
| C. | ml<sup>3</sup> h<sup>-2</sup> |
| D. | dm<sup>2</sup> h<sup>-2</sup> |
| Answer» B. km<sup>3</sup> h<sup>-1</sup> | |
| 11. |
What is the dilution rate (D)? |
| A. | D = F/V |
| B. | D = V/F |
| C. | D = F |
| D. | D = D |
| Answer» B. D = V/F | |
| 12. |
Which Growth phase is usually longer in continuous culture? |
| A. | Log |
| B. | Exponential |
| C. | Stationary |
| D. | Death |
| Answer» C. Stationary | |
| 13. |
During continuous culture/fermentation, nutrients in the fermenter are utilized at a fast rate. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
The Continuous culture is a/an ______ culture system. |
| A. | Open |
| B. | Closed |
| C. | Isolated |
| D. | Semi-closed |
| Answer» B. Closed | |