MCQOPTIONS
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MCQOPTIONS
This section includes 20 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 is least likely to get in or on a protozoan such as a diplomonad or trichomonad? |
| A. | Flagella |
| B. | More than one nucleus |
| C. | Genes to produce a cyst form |
| D. | Rigid polysaccharide cell wall |
| Answer» E. | |
| 2. |
Members of which phylum of Protozoa are being considered as biological control agents for certain insects? |
| A. | Microspora |
| B. | Sarcomastigophora |
| C. | Apicomplexa |
| D. | all of these |
| Answer» B. Sarcomastigophora | |
| 3. |
Number of motility structures on flagellated cells is |
| A. | greater than ciliated cells |
| B. | lesser than ciliated cells |
| C. | equal to ciliated cells |
| D. | none of these |
| Answer» C. equal to ciliated cells | |
| 4. |
Organisms are parasitic and have a resistant spore with one to six coiled polar filaments belong to which phylum of Protozoa? |
| A. | Labyinthomorpha |
| B. | Sarcomastigophora |
| C. | Apicomplexa |
| D. | Myxozoa |
| Answer» E. | |
| 5. |
Protozoa are generally not |
| A. | multicellular |
| B. | microscopic |
| C. | lacking cell walls |
| D. | eukaryotic |
| Answer» B. microscopic | |
| 6. |
Protozoa have several types of vacuoles.The function of a contractile vacuole is to |
| A. | maintain osmotic balance by continuous water expulsion |
| B. | creates sites of food digestion |
| C. | contain specific enzymes that perform various functions |
| D. | have sites for photosynthesis |
| Answer» B. creates sites of food digestion | |
| 7. |
When parasitic protozoa parasitize other protozoan it is known as ______________ |
| A. | Parasitism |
| B. | Mutualism |
| C. | Hyperparasitism |
| D. | Hypoparasitism |
| Answer» D. Hypoparasitism | |
| 8. |
Red snow of high altitudes is due to the presence of ________________ |
| A. | bacteria |
| B. | protozoa |
| C. | algae |
| D. | fungi |
| Answer» C. algae | |
| 9. |
Which of the following is an aerobic protozoa? |
| A. | Metopus |
| B. | Saprodinium |
| C. | Epalxis |
| D. | Vorticella |
| Answer» E. | |
| 10. |
The process in which protozoa attaches themselves to a host’s body is known as __________________ |
| A. | Endocommensalism |
| B. | Ectocommensalism |
| C. | Parasitic |
| D. | Mutualism |
| Answer» C. Parasitic | |
| 11. |
WHEN_PARASITIC_PROTOZOA_PARASITIZE_OTHER_PROTOZOAN_IT_IS_KNOWN_AS_______________?$ |
| A. | Parasitism |
| B. | Mutualism |
| C. | Hyperparasitism |
| D. | Hypoparasitism |
| Answer» D. Hypoparasitism | |
| 12. |
RED_SNOW_OF_HIGH_ALTITUDES_IS_DUE_TO_THE_PRESENCE_OF_________________?$ |
| A. | bacteria |
| B. | protozoa |
| C. | algae |
| D. | fungi |
| Answer» C. algae | |
| 13. |
Which of the following is an aerobic protozoa? |
| A. | Metopus |
| B. | Saprodinium |
| C. | Epalxis |
| D. | Vorticella |
| Answer» E. | |
| 14. |
Which of the following is not a function of protozoa? |
| A. | acts as a link in food chain |
| B. | used in manufacture of food products |
| C. | decomposition process |
| D. | to study cell cycles |
| Answer» C. decomposition process | |
| 15. |
African sleeping sickness is caused by _________________ |
| A. | bacteria |
| B. | fungi |
| C. | protozoa |
| D. | viruses |
| Answer» D. viruses | |
| 16. |
Certain flagellates of protozoa are present in the gut of some termites in a mutualistic relationship. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
The process in which protozoa attaches themselves to a host’s body is known as __________________$ |
| A. | Endocommensalism |
| B. | Ectocommensalism |
| C. | Parasitic |
| D. | Mutualism |
| Answer» C. Parasitic | |
| 18. |
What is the maximum temperature for protozoa? |
| A. | 40 degrees C |
| B. | 10 degrees C |
| C. | 16 degrees C |
| D. | 25 degrees C |
| Answer» B. 10 degrees C | |
| 19. |
Protozoa that eat other organisms are known as _______________ |
| A. | saprophytic |
| B. | holozoic |
| C. | parasitic |
| D. | mutualistic |
| Answer» C. parasitic | |
| 20. |
pH range optimal for maximum metabolic activity of protozoa is ______________ |
| A. | 2-3 |
| B. | 12-14 |
| C. | 6-8 |
| D. | 4-6 |
| Answer» D. 4-6 | |