 
			 
			MCQOPTIONS
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				This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Bubble column reactor provides better mixing than airlift reactors. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 2. | In a bubble column reactor, the mass transfer depends on the size of the bubble. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 3. | Which of the following class of microorganisms causes less threat to a man? | 
| A. | Low-risk microorganisms | 
| B. | High-risk microorganisms | 
| C. | Medium-risk microorganisms | 
| D. | Environmental-risk microorganisms | 
| Answer» E. | |
| 4. | EFB Class 4 consists of ___________ | 
| A. | Low-risk microorganisms | 
| B. | High-risk microorganisms | 
| C. | Medium-risk microorganisms | 
| D. | Environmental-risk microorganisms | 
| Answer» C. Medium-risk microorganisms | |
| 5. | Which of the following class consists of microorganisms which are causing disease in man and are hazardous to workers? | 
| A. | EFB Class 3 | 
| B. | EFB Class 1 | 
| C. | EFB Class 2 | 
| D. | EFB Class 4 | 
| Answer» D. EFB Class 4 | |
| 6. | Which of the following class consists of microorganisms which are not causative agents? | 
| A. | EFB Class 1 | 
| B. | EFB Class 2 | 
| C. | EFB Class 3 | 
| D. | EFB Class 4 | 
| Answer» B. EFB Class 2 | |
| 7. | The Borosilicate glass does not contain ________ | 
| A. | SiO2 | 
| B. | B2O3 | 
| C. | Al2O3 | 
| D. | KH2PO4 | 
| Answer» E. | |
| 8. | What is the function of carbon in stainless steel? | 
| A. | Improves resistance to corrosion | 
| B. | Improves ductility | 
| C. | Reduces sensitization | 
| D. | Improves halogen resistance | 
| Answer» D. Improves halogen resistance | |
| 9. | Which of the following bioreactor consists of a vessel replaced by a multilayered bag? | 
| A. | Single Use bioreactors | 
| B. | Perfusion bioreactors | 
| C. | Airlift bioreactor | 
| D. | Tower bioreactor | 
| Answer» B. Perfusion bioreactors | |
| 10. | Which of the following is used to grow anchorage-dependent cells? | 
| A. | Airlift fermenter | 
| B. | Tower fermenter | 
| C. | Hollow fibre chamber | 
| D. | Perfusion bioreactor | 
| Answer» D. Perfusion bioreactor | |
| 11. | In which of the following fermenters the impellers are replaced by the constant flow of gas? | 
| A. | Airlift fermenter | 
| B. | Tower fermenter | 
| C. | Hollow fibre | 
| D. | Perfusion bioreactor | 
| Answer» B. Tower fermenter | |
| 12. | Which of the following fermenters are characterized by height to diameter ratio? | 
| A. | Tower fermenter | 
| B. | Airlift fermenter | 
| C. | Hollow fibre | 
| D. | Perfusion bioreactor | 
| Answer» B. Airlift fermenter | |
| 13. | The bioreactor is not capable of ______________ | 
| A. | Producing aseptic conditions | 
| B. | Meeting containment regulations | 
| C. | Controlling pH | 
| D. | Produce electricity | 
| Answer» E. | |
| 14. | The small-scale bioreactors have volume of __________ | 
| A. | 5-10 litres | 
| B. | 10-20 litres | 
| C. | 1-10 litres | 
| D. | 1-20 litres | 
| Answer» E. | |
| 15. | In World War II, the fermentation was used for the production of _____________ | 
| A. | Alcohol | 
| B. | Antibiotics | 
| C. | Wine | 
| D. | Beer | 
| Answer» C. Wine | |