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 process is used to separate insoluble particles from liquids? |
| A. | Filtration |
| B. | Extraction |
| C. | Drying |
| D. | Sieving |
| Answer» B. Extraction | |
| 2. |
What do you mean by filter cake? |
| A. | The cake which is to be filtered |
| B. | A porous membrane used to retain the solids |
| C. | The solids which are present on the filter |
| D. | A suspension to be filtered |
| Answer» D. A suspension to be filtered | |
| 3. |
The slurry is ______________ |
| A. | A suspension to be filtered |
| B. | A porous membrane used to retain the solids |
| C. | The solids which are present on the filter |
| D. | A clear liquid passing through the filter |
| Answer» B. A porous membrane used to retain the solids | |
| 4. |
In surface filtration, the size of particles retained is higher than the mean pore size of the medium. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Filtration is a steady state. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following does not influence filtration? |
| A. | Temperature |
| B. | Density |
| C. | Viscosity |
| D. | pH |
| Answer» E. | |
| 7. |
In which of the following the size of particles retained is much smaller than the pore size of the medium? |
| A. | Batch filtration |
| B. | Surface filtration |
| C. | Submerged filtration |
| D. | Depth filtration |
| Answer» E. | |
| 8. |
Which of the following is not an advantage of PES membrane filters? |
| A. | Low extractables |
| B. | Fast flow |
| C. | High protein binding |
| D. | High throughput |
| Answer» D. High throughput | |
| 9. |
The advantage of cellulose acetate filters is ________________ |
| A. | Recovery of microorganisms |
| B. | Low throughput |
| C. | High protein binding |
| D. | Low flow rates |
| Answer» B. Low throughput | |
| 10. |
Which of the following filter is used in the filtration of bacteria? |
| A. | Bottle top filters |
| B. | Oxalate filters |
| C. | Cellulose Acetate filters |
| D. | PES membrane filters |
| Answer» D. PES membrane filters | |
| 11. |
Which of the following filters are ideal for vitamin sterilization? |
| A. | Bottle top filters |
| B. | Cellulose Nitrate filters |
| C. | Cellulose Acetate filters |
| D. | PES membrane filters |
| Answer» B. Cellulose Nitrate filters | |
| 12. |
Which of the following is not the application of filtration? |
| A. | Sterilization of media |
| B. | Removal of debris |
| C. | Plasma clarification |
| D. | Off-gas analysis |
| Answer» E. | |
| 13. |
The pore size for the removal of viruses is _______________ |
| A. | 20 nm |
| B. | 30 nm |
| C. | 25 nm |
| D. | 35 nm |
| Answer» B. 30 nm | |
| 14. |
What is the pore size of the filtration membrane to remove bacteria? |
| A. | 0.25 m |
| B. | 0.22 m |
| C. | 0.27 m |
| D. | 0.26 m |
| Answer» C. 0.27 m | |