MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A large cluster of colonies are obtained in streak plate method. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
A large cluster of colonies are obtained in streak plate method? |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Treponema sp. can be selected by taking advantage of ____________ |
| A. | small cell size |
| B. | motility |
| C. | dilute media |
| D. | small cell diameter and bacterial motility |
| Answer» E. | |
| 4. |
Disease-producing species occurring in a mixed culture can be selected by taking advantage of _________ |
| A. | its pathogenic properties |
| B. | special carbon source |
| C. | special nitrogen source |
| D. | toxic chemicals |
| Answer» B. special carbon source | |
| 5. |
Vibrio cholerae can grow in a medium with a pH of _______ |
| A. | 5.5 |
| B. | 7.0 |
| C. | 8.5 |
| D. | 2.0 |
| Answer» D. 2.0 | |
| 6. |
In physical method of selection, endospore-forming bacteria can be obtained by heating the mixed culture to _____________ |
| A. | 70 degree C for 10 minutes |
| B. | 80 degree C for 10 minutes |
| C. | 60 degree C for 10 minutes |
| D. | 90 degree C for 10 minutes |
| Answer» C. 60 degree C for 10 minutes | |
| 7. |
Which of the following is not a physical method for selection of pure culture? |
| A. | Heat treatment |
| B. | pH of the media |
| C. | Cell size and motility |
| D. | Use of dilute media |
| Answer» E. | |
| 8. |
Enrichment media allows the growth of a large number of varied bacterial species. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Isolation of pure culture refers to ___________ |
| A. | purification of culture |
| B. | introduction of inoculum |
| C. | separation of a single colony |
| D. | to grow microorganisms on a surface |
| Answer» D. to grow microorganisms on a surface | |