 
			 
			MCQOPTIONS
 Saved Bookmarks
				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. | Anthramycin is which of the following type of antibiotic? | 
| A. | Antiviral | 
| B. | Antitumor | 
| C. | Antifungal | 
| D. | Antibacterial | 
| Answer» C. Antifungal | |
| 2. | Which of the following is effective in the control of tuberculosis in humans? | 
| A. | Nitrofurans | 
| B. | Nalidixic Acid | 
| C. | Sibromycin | 
| D. | Isoniazid | 
| Answer» E. | |
| 3. | Amantadine is very effective against influenza A virus. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 4. | Which of the following has its antiviral action attributed to the interference of protein synthesis? | 
| A. | Amantadine | 
| B. | Interferons | 
| C. | Acycloguanosine | 
| D. | 5 -iododeoxyuridine | 
| Answer» C. Acycloguanosine | |
| 5. | Acycloguanosine is a nucleoside analog which is active against ___________________ | 
| A. | Influenza A virus | 
| B. | HIV virus | 
| C. | Herpes virus | 
| D. | Influenza B virus | 
| Answer» D. Influenza B virus | |
| 6. | Griseofulvin is useful in the therapy of nonsystemic fungal infections. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 7. | Nystatin is produced from the strain _____________________ | 
| A. | Streptomyces noursei | 
| B. | Streptomyces aureofaciens | 
| C. | Streptomyces kanamyceticus | 
| D. | Streptomyces fradiae | 
| Answer» B. Streptomyces aureofaciens | |
| 8. | Antibiotics are not effective against plant pathogens. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 9. | Which of the following antibiotic have a sparing effect on the B12 in the diet? | 
| A. | Streptomycin | 
| B. | Tetracycline | 
| C. | Anthramycin | 
| D. | Chloramphenicol | 
| Answer» B. Tetracycline | |
| 10. | Pigs respond dramatically to the addition of which of the following antibiotics to their diet? | 
| A. | aureomycin | 
| B. | terramycin | 
| C. | penicillin | 
| D. | oxytetracycline | 
| Answer» E. | |
| 11. | Zone of inhibition is observed in tube-dilution method. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 12. | The international unit of penicillin is defined by how much amount of International Standard? | 
| A. | 1 mg | 
| B. | 0.262 g | 
| C. | 0.5988 g | 
| D. | 0.5 mg | 
| Answer» D. 0.5 mg | |
| 13. | Which of the following is the most accurate method for microbial assay of antibiotics? | 
| A. | Physical assay | 
| B. | Chemical assay | 
| C. | Biological assay | 
| D. | Chemical and biological assay | 
| Answer» C. Biological assay | |