MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following fermentation is carried out by yeast? |
| A. | Lactic acid fermentation |
| B. | Alcohol fermentation |
| C. | Pyruvic fermentation |
| D. | Acrylic fermentation |
| Answer» B. Alcohol fermentation | |
| 2. |
Which of the following process is used in the recovery of the product? |
| A. | Downstream processing |
| B. | Upstream processing |
| C. | Chromatography |
| D. | Treatment process |
| Answer» B. Upstream processing | |
| 3. |
Shear conditions do not affect scale-up studies. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Who reviewed the scale-down methods? |
| A. | Jem |
| B. | Lilly |
| C. | Fox |
| D. | Sinclair |
| Answer» B. Lilly | |
| 5. |
Which of the following is not an aspect in the context of scale-down? |
| A. | Number of generations |
| B. | Oxygen Transfer rate |
| C. | Mixing |
| D. | Temperature |
| Answer» E. | |
| 6. |
Which of the following is a scale-down process? |
| A. | Laboratory to pilot-scale |
| B. | Pilot-scale to industrial-scale |
| C. | Industrial to pilot-scale |
| D. | Laboratory to industrial-scale |
| Answer» D. Laboratory to industrial-scale | |
| 7. |
What do you mean by ‘scale-down’? |
| A. | Decreasing the scale of fermentation |
| B. | Increasing the scale of fermentation |
| C. | Decreasing the rate of agitation |
| D. | Increasing the rate of fermentation |
| Answer» B. Increasing the scale of fermentation | |
| 8. |
If scale-up studies failed, proceed with scale-down. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which of the following is not a rule while doing scale-up studies? |
| A. | The similarity in the geometry of the fermenter used |
| B. | The similarity in the configuration of the fermenter used |
| C. | There should a minimum of three or four stages of increment |
| D. | Increasing power is a jump in scale |
| Answer» E. | |
| 10. |
Given below is a graphical representation of the scale-up window. What do the x and y-axis denote? |
| A. | y – agitation, x – aeration |
| B. | y – aeration, x – agitation |
| C. | y – KLa, x – time |
| D. | y – time, x – KLa |
| Answer» B. y – aeration, x – agitation | |
| 11. |
Who summarized the procedure for scaling up both Newtonian and non-Newtonian fermentations? |
| A. | Hubbard |
| B. | Fox |
| C. | Lilly |
| D. | Sinclair |
| Answer» B. Fox | |
| 12. |
Which of the following factors are not involved in the scale-up process? |
| A. | Inoculum development |
| B. | Sterilization |
| C. | Temperature |
| D. | Medium design |
| Answer» E. | |
| 13. |
Which of the following is not a scale-up process? |
| A. | Laboratory to pilot-scale |
| B. | Pilot-scale to industrial-scale |
| C. | Industrial to pilot-scale |
| D. | Laboratory to industrial-scale |
| Answer» D. Laboratory to industrial-scale | |
| 14. |
What do you mean by ‘scale-up’? |
| A. | Decreasing the scale of fermentation |
| B. | Increasing the scale of fermentation |
| C. | Decreasing the rate of agitation |
| D. | Increasing the rate of fermentation |
| Answer» C. Decreasing the rate of agitation | |