MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The endosymbiosis hypothesis provides an explanation for how |
| A. | eukaryotes developed from prokayotes |
| B. | prokaryotes developed from eukaryotes |
| C. | algae developed from protozoa |
| D. | protozoa developed from algae |
| Answer» B. prokaryotes developed from eukaryotes | |
| 2. |
Micro organisms are found in which of the following kingdom of five kingdom concept (Whittaker's classification)? |
| A. | Monera |
| B. | Protista |
| C. | Fungi |
| D. | All of these |
| Answer» E. | |
| 3. |
Which of the following organisms are known to grow on the surfaces of freshly exposed rocks? |
| A. | green algae |
| B. | diatoms |
| C. | cyanobacteria |
| D. | yeast |
| Answer» D. yeast | |
| 4. |
Bacteria are likely to be more prevalent in soils of vineyards, orchards and apiaries. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The dominant mineral particles in most soils are compounds of _____________ |
| A. | sodium |
| B. | potassium |
| C. | magnesium |
| D. | iron |
| Answer» E. | |
| 6. |
BACTERIA_ARE_LIKELY_TO_BE_MORE_PREVALENT_IN_SOILS_OF_VINEYARDS,_ORCHARDS_AND_APIARIES.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Which_of_the_following_organisms_are_known_to_grow_on_the_surfaces_of_freshly_exposed_rocks?$ |
| A. | green algae |
| B. | diatoms |
| C. | cyanobacteria |
| D. | yeast |
| Answer» D. yeast | |
| 8. |
The dominant mineral particles in most soils are compounds of ____________? |
| A. | sodium |
| B. | potassium |
| C. | magnesium |
| D. | iron |
| Answer» E. | |
| 9. |
Parasitism results from competition among organisms for essential nutrients. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Which of the following comes under the category of positive association? |
| A. | neutralism |
| B. | parasitism |
| C. | commensalism |
| D. | ammensalism |
| Answer» D. ammensalism | |
| 11. |
Fungi produces which of the following inhibitory toxic product? |
| A. | cyanide |
| B. | fatty acids |
| C. | methane |
| D. | sulphides |
| Answer» B. fatty acids | |
| 12. |
Lytic enzymes which destroy are secreted by which of the following microorganism? |
| A. | fungi |
| B. | algae |
| C. | staphylococcus |
| D. | myxobacteria |
| Answer» E. | |
| 13. |
Which of the following types of association is present among Staphylococcus aureus and Aspergillus terreous? |
| A. | antagonism |
| B. | mutualism |
| C. | parasitism |
| D. | commensalism |
| Answer» B. mutualism | |
| 14. |
The degradation of complex molecules in soil by fungi for utilization by bacteria is an example of which type of association? |
| A. | Neutralism |
| B. | Mutualism |
| C. | Commensalism |
| D. | Antagonism |
| Answer» D. Antagonism | |
| 15. |
The association which involves the exchange of nutrients between two species is referred to as ______________ |
| A. | mutualism |
| B. | syntrophism |
| C. | commensalism |
| D. | antagonism |
| Answer» C. commensalism | |