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. |
Yeast propagation on wort generates the greater yield of the yeast. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Dried yeasts do not require storage vessels. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The reproduction in yeast is by ____________ |
| A. | Binary fission |
| B. | Regeneration |
| C. | Budding |
| D. | Fragmentation |
| Answer» D. Fragmentation | |
| 4. |
The viability of dried yeast is ____________ |
| A. | 35 % |
| B. | 50 % |
| C. | 95 % |
| D. | 65 % |
| Answer» E. | |
| 5. |
Who first described the application of dried yeast? |
| A. | Muller |
| B. | Fels |
| C. | Lawrence |
| D. | Quain |
| Answer» B. Fels | |
| 6. |
The vessels in the brewery propagation are operated under _____________ bar pressure. |
| A. | 1.0 2.0 |
| B. | 3.0 5.0 |
| C. | 0.5 1.0 |
| D. | 0.1 0.5 |
| Answer» D. 0.1 0.5 | |
| 7. |
What is the capacity of a stainless steel flask used in the terminal laboratory stage? |
| A. | 20 liters |
| B. | 30 liters |
| C. | 25 liters |
| D. | 15 liters |
| Answer» D. 15 liters | |
| 8. |
The terminal stages in laboratory propagation uses ___________ |
| A. | Yeast extract |
| B. | Peptones |
| C. | Glucose |
| D. | Wort |
| Answer» E. | |
| 9. |
Who introduced the yeast propagators? |
| A. | Simpson |
| B. | Hansen |
| C. | Wenn |
| D. | Hammond |
| Answer» C. Wenn | |
| 10. |
Which of the following is not a requirement of a propagator? |
| A. | Phenotype of yeast |
| B. | Condition of yeast |
| C. | Viability of yeast |
| D. | Cycle time of propagation |
| Answer» B. Condition of yeast | |
| 11. |
Which of the following is a very important requirement of a propagator? |
| A. | Hygiene |
| B. | Cycle time of propagation |
| C. | Condition of yeast |
| D. | Viability of yeast |
| Answer» B. Cycle time of propagation | |
| 12. |
Which of the following is used for propagating or germinating cells or seedlings? |
| A. | Incubator |
| B. | Transilluminator |
| C. | Propagator |
| D. | Centrifuge |
| Answer» D. Centrifuge | |
| 13. |
Hammond and Wenn reported the experiences of a brewery where one newly propagated yeast strain produced slow fermentation. This was due to inability of strain to utilize __________ |
| A. | Glucose |
| B. | Fructose |
| C. | Maltotriose |
| D. | Sucrose |
| Answer» D. Sucrose | |
| 14. |
Which of the following results in the formation of nitrosamines? |
| A. | <i>Lactobacillus sp.</i> |
| B. | <i>Obesumbacterium sp.</i> |
| C. | <i>Streptococcus sp.</i> |
| D. | <i>Staphylococcus sp.</i> |
| Answer» C. <i>Streptococcus sp.</i> | |