MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following genus of bacteria is not found in fresh waters? |
| A. | Pseudomonas |
| B. | Flavobacterium |
| C. | Aeromonas |
| D. | Vibrio |
| Answer» E. | |
| 2. |
Aquatic bacteria tend to be Gram-negative. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The characteristic color of the Red Sea is associated with heavy blooms of __________________ |
| A. | diatoms |
| B. | cyanobacteria |
| C. | dinoflagellates |
| D. | chlamydomonads |
| Answer» C. dinoflagellates | |
| 4. |
The Chesapeake Bay, one of the world’s major estuarine system serves as the receiving basin for how many rivers? |
| A. | 4 |
| B. | 6 |
| C. | 3 |
| D. | 9 |
| Answer» E. | |
| 5. |
AQUATIC_BACTERIA_TEND_TO_BE_GRAM-NEGATIVE.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which_of_the_following_genus_of_bacteria_is_not_found_in_fresh_waters?$ |
| A. | Pseudomonas |
| B. | Flavobacterium |
| C. | Aeromonas |
| D. | Vibrio |
| Answer» E. | |
| 7. |
The characteristic color of the Red Sea is associated with heavy blooms of _________________? |
| A. | diatoms |
| B. | cyanobacteria |
| C. | dinoflagellates |
| D. | chlamydomonads |
| Answer» C. dinoflagellates | |
| 8. |
In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? |
| A. | coliforms |
| B. | appendaged bacteria |
| C. | viruses |
| D. | fecal streptococci |
| Answer» C. viruses | |
| 9. |
The Chesapeake Bay, one of the world’s major estuarine system serves as the receiving basin for how many rivers?$ |
| A. | 4 |
| B. | 6 |
| C. | 3 |
| D. | 9 |
| Answer» E. | |
| 10. |
The coastal adjunct of the marine ecosystem is __________________ |
| A. | stream |
| B. | estuary |
| C. | river |
| D. | lake |
| Answer» C. river | |
| 11. |
Rapidly expanding urbanization makes it difficult to generalize upon typical microbial flora of streams. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
In which of the following seasons does the nutrient concentration falls at a drastically lower level? |
| A. | Winter |
| B. | Spring |
| C. | Summer |
| D. | Autumn |
| Answer» D. Autumn | |
| 13. |
Which of the following layer is composed of soft mud or ooze? |
| A. | Photic zone |
| B. | Limnetic zone |
| C. | Benthic zone |
| D. | Profundal zone |
| Answer» D. Profundal zone | |
| 14. |
Which of the following zones have considerable rooted vegetation? |
| A. | littoral zone |
| B. | limnetic zone |
| C. | profundal zone |
| D. | benthic zone |
| Answer» B. limnetic zone | |