MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Rhizopus nigricans produces which of the following products? |
| A. | Citric acid |
| B. | Fumaric acid |
| C. | Gibberellic acid |
| D. | Lactic acid |
| Answer» C. Gibberellic acid | |
| 2. |
Invertase causes hydrolysis of ___________ |
| A. | starch |
| B. | sucrose |
| C. | proteins |
| D. | pectins |
| Answer» C. proteins | |
| 3. |
Paper, glass beads can be used to immobilize enzymes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
INVERTASE_CAUSES_HYDROLYSIS_OF____________?$ |
| A. | starch |
| B. | sucrose |
| C. | proteins |
| D. | pectins |
| Answer» C. proteins | |
| 5. |
Rhizopus nigricans produces which of the following products? |
| A. | Citric acid |
| B. | Fumaric acid |
| C. | Gibberellic acid |
| D. | Lactic acid |
| Answer» C. Gibberellic acid | |
| 6. |
Paper, glass beads can be used to immobilize enzymes? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of the following enzyme is used in the process of bating? |
| A. | invertase |
| B. | pectinase |
| C. | amylase |
| D. | protease |
| Answer» E. | |
| 8. |
Which of the following enzymes is used to hydrolyze starch to dextrin? |
| A. | invertase |
| B. | pectinase |
| C. | amylase |
| D. | protease |
| Answer» D. protease | |
| 9. |
Which of the following product acts as a substrate for the production of citric acid? |
| A. | molasses |
| B. | corn-steep liquor |
| C. | barn |
| D. | oyabeen meal |
| Answer» B. corn-steep liquor | |
| 10. |
Which of the following techniques is used to improve penicillin production? |
| A. | fed-batch fermentation |
| B. | submerged-culture technique |
| C. | continuous fermentation |
| D. | batch fermentation |
| Answer» C. continuous fermentation | |
| 11. |
Penicillium chrysogenum is a better penicillin producing species. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Fermentation of rice is carried out by which of the following microorganisms? |
| A. | bacteria |
| B. | yeasts |
| C. | molds |
| D. | protozoa |
| Answer» D. protozoa | |
| 13. |
Gluconic acid is produced by which of the following molds? |
| A. | Aspergillus niger |
| B. | Rhizopus nigricans |
| C. | Aspergillus terreus |
| D. | Rhizopus oryzae |
| Answer» B. Rhizopus nigricans | |