

MCQOPTIONS
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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. |
Growth in broth cultures occurs mainly in the form of__________ |
A. | slightly turbid |
B. | heavy surface pellicle |
C. | sediment |
D. | viscous |
Answer» C. sediment | |
2. |
Which bacteria among the following produces a water-insoluble pigment? |
A. | Mycobacterium kansasii |
B. | Pseudomonas aeruginosa |
C. | Chromobacterium violaceum |
D. | Pseudomonas chlororaphis |
Answer» D. Pseudomonas chlororaphis | |
3. |
Growth in broth cultures occurs mainly in the form of __________ |
A. | slightly turbid |
B. | heavy surface pellicle |
C. | sediment |
D. | viscous |
Answer» C. sediment | |
4. |
Pyoverdin is which type of pigment? |
A. | water-insoluble pigment |
B. | water-soluble pigment |
C. | fluorescent pigment |
D. | sparingly water-soluble pigment |
Answer» D. sparingly water-soluble pigment | |
5. |
What is the color of colonies of Staphylococcus aureus? |
A. | Pink |
B. | Red |
C. | Violet |
D. | Gold |
Answer» E. | |
6. |
Surface texture of strains are related to virulence. |
A. | True |
B. | False |
Answer» B. False | |
7. |
Which of the following has a larger diameter? |
A. | well-separated colonies |
B. | crowded colonies |
C. | young colonies |
D. | old colonies |
Answer» B. crowded colonies | |
8. |
The American Type Culture Collection, located in Rockville, Maryland in the year 1980 has a collection of bacterial strain in what numbers? |
A. | 10,000 |
B. | 11,000 |
C. | 500 |
D. | 11,500 |
Answer» E. | |
9. |
The National Collection of Type Cultures is situated in ____________ |
A. | France |
B. | England |
C. | Germany |
D. | Japan |
Answer» C. Germany | |