MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Bioprocess Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What do you mean by “Nutrient repression”? |
| A. | Inhibition of unwanted enzyme production |
| B. | Production of unwanted enzymes |
| C. | Inhibition of cell nutrients |
| D. | Production of waste |
| Answer» B. Production of unwanted enzymes | |
| 2. |
Which is the inducer of enzyme invertase? |
| A. | Starch |
| B. | Sucrose |
| C. | Galactosidases |
| D. | Fatty acids |
| Answer» C. Galactosidases | |
| 3. |
The production of enzyme is mostly carried out by? |
| A. | Batch fermentation |
| B. | Continuous fermentation |
| C. | Fed-batch fermentation |
| D. | Semi-batch fermentation |
| Answer» B. Continuous fermentation | |
| 4. |
Which enzyme was first produced industrially? |
| A. | Bacteria enzyme |
| B. | Yeast enzyme |
| C. | Fungal enzyme |
| D. | Streptomyces |
| Answer» D. Streptomyces | |
| 5. |
Which of the following does not produces “Proteases”? |
| A. | Bacillus |
| B. | Rhizopus |
| C. | Mucor |
| D. | Bacillus coagulans |
| Answer» E. | |
| 6. |
THE_PRODUCTION_OF_ENZYME_IS_MOSTLY_CARRIED_OUT_BY??$ |
| A. | Batch fermentation |
| B. | Continuous fermentation |
| C. | Fed-batch fermentation |
| D. | Semi-batch fermentation |
| Answer» B. Continuous fermentation | |
| 7. |
WHICH_ENZYME_WAS_FIRST_PRODUCED_INDUSTRIALLY??$ |
| A. | Bacteria enzyme |
| B. | Yeast enzyme |
| C. | Fungal enzyme |
| D. | Streptomyces |
| Answer» D. Streptomyces | |
| 8. |
What do you mean by “Nutrient repression”?$# |
| A. | Inhibition of unwanted enzyme production |
| B. | Production of unwanted enzymes |
| C. | Inhibition of cell nutrients |
| D. | Production of waste |
| Answer» B. Production of unwanted enzymes | |
| 9. |
Which is the inducer of enzyme invertase?$ |
| A. | Starch |
| B. | Sucrose |
| C. | Galactosidases |
| D. | Fatty acids |
| Answer» C. Galactosidases | |
| 10. |
Which of the following is true for single cell protein? |
| A. | Algae cannot be used in single cell protein |
| B. | It is produced through fermentation |
| C. | It does not contain carbohydrates and vitamins |
| D. | Its utilization increases environmental pollution |
| Answer» C. It does not contain carbohydrates and vitamins | |
| 11. |
System of reaction in which no reactant leaves reaction mixture is termed as ___________ |
| A. | Open system |
| B. | Closed system |
| C. | Semi-open system |
| D. | Partially closed system |
| Answer» C. Semi-open system | |
| 12. |
What is the method of screening? |
| A. | To improve the microbial strain |
| B. | To improve the growth of an enzyme |
| C. | To choose appropriate microorganisms for the desired enzyme |
| D. | To determine the optimum conditions for growth of microbes |
| Answer» D. To determine the optimum conditions for growth of microbes | |
| 13. |
Which type of fermentation is used for large scale manufacturing of enzymes? |
| A. | Solid-state fermentation |
| B. | Submerged fermentation |
| C. | Solid-Gas state fermentation |
| D. | Gas-state fermentation |
| Answer» C. Solid-Gas state fermentation | |
| 14. |
Which of the following purified enzyme is used in pharmaceutical industry? |
| A. | Subtilisin |
| B. | Novozym-435 |
| C. | Bromelain |
| D. | Asparaginase |
| Answer» E. | |
| 15. |
Which of the following is not an upstream process? |
| A. | Selection of a suitable enzyme |
| B. | Process development |
| C. | Concentration and primary purification of enzymes |
| D. | Large scale production |
| Answer» D. Large scale production | |
| 16. |
In Upstream processes, process development increases the mRNA hydrolysis and proteolysis? |
| A. | True |
| B. | False |
| Answer» C. | |
| 17. |
Which of the following is not included in immobilization process? |
| A. | Absorption |
| B. | Adsorption |
| C. | Entrapment |
| D. | Affinity |
| Answer» B. Adsorption | |
| 18. |
Cellulase is used in which type of industry? |
| A. | Food industry |
| B. | Paper industry |
| C. | Biofuel industry |
| D. | Chemical industry |
| Answer» D. Chemical industry | |
| 19. |
Which of the following does not produces “Proteases”?$ |
| A. | Bacillus |
| B. | Rhizopus |
| C. | Mucor |
| D. | Bacillus coagulans |
| Answer» E. | |
| 20. |
The inactive cells are advantageous for enzyme activity. |
| A. | True |
| B. | False |
| Answer» B. False | |