MCQOPTIONS
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MCQOPTIONS
This section includes 69 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 bread mold belongs to which of the following fungal divisions? |
| A. | Ascomycota |
| B. | Deuteromycota |
| C. | Oomycota |
| D. | Zygomycota |
| Answer» E. | |
| 2. |
Which of these spores are characteristic of the black bread mold ? |
| A. | Arthrospore and Ascospore |
| B. | Ascospore and Zygospore |
| C. | Arthrospore and Blastospore |
| D. | Sporangiospore and Zygospore |
| Answer» E. | |
| 3. |
Achlorophyllous means |
| A. | leading in chlorophyll |
| B. | lacking chlorophyll |
| C. | unable to use CO |
| D. | none of these |
| Answer» C. unable to use CO | |
| 4. |
An organism in the Deuteromycota has all the following except |
| A. | asexual spores |
| B. | absorptive nutrition |
| C. | ascospores, basidiospores or zygospores |
| D. | a nucleus |
| Answer» D. a nucleus | |
| 5. |
Anaerobic degradation of proteins brought about by bacteria and fungi give the products like |
| A. | mercaptans and indole |
| B. | H |
| C. | S |
| D. | both (a) and (b) |
| E. | None of these |
| Answer» D. both (a) and (b) | |
| 6. |
The terms mycelium and hyphae are associated with |
| A. | algae |
| B. | fungi |
| C. | protozoa |
| D. | viruses |
| Answer» C. protozoa | |
| 7. |
A mycelium describes |
| A. | saclike structure where fungal spores are produced |
| B. | single fungal strand made up of a long chain of cells |
| C. | interwoven mass of numerous hyphae |
| D. | none of the above |
| Answer» D. none of the above | |
| 8. |
Yeast play an important role in the alcohol industry, converting pyruvic acid into carbon dioxide and ethyl alcohol by the process of |
| A. | glycolysis |
| B. | respiration |
| C. | fermentation |
| D. | Krebs cycle |
| Answer» D. Krebs cycle | |
| 9. |
Ascospores located in asci are found in |
| A. | conidiocarps |
| B. | sorocarps |
| C. | ascocarps |
| D. | plasmodiocarps |
| Answer» D. plasmodiocarps | |
| 10. |
Fungi are generally not |
| A. | multicellular |
| B. | containing cell walls |
| C. | photosynthetic |
| D. | spore-producing |
| Answer» D. spore-producing | |
| 11. |
The hyphae of mold are |
| A. | submerged |
| B. | aerial |
| C. | vegetative |
| D. | all of these |
| Answer» E. | |
| 12. |
The amount of chitin in the cell walls of the Plasmodium |
| A. | is greater than the water mold mycelium |
| B. | is lesser than the water mold mycelium |
| C. | is equal to the water mold mycelium |
| D. | none of the above |
| Answer» D. none of the above | |
| 13. |
Which of the following structures would not be associated with fungi? |
| A. | Mitochondria |
| B. | Cell walls |
| C. | Chloroplasts |
| D. | Spores |
| Answer» D. Spores | |
| 14. |
Which of the following is not a member of the division ? |
| A. | Aspergillus |
| B. | Claviceps |
| C. | Penicillium |
| D. | Rhizopus |
| Answer» E. | |
| 15. |
The organism that starts out as amoeboid, phagocytic cells and converts to a sluglike pseudoplasmodium that migrates prior to development of a sorocarp belongs to which division? |
| A. | Ascomycota |
| B. | Chytridiomycota |
| C. | Myxomycota |
| D. | Oomycota |
| Answer» D. Oomycota | |
| 16. |
Which of these spores are characteristic of the black bread mold Rhizopus? |
| A. | Arthrospore and Ascospore |
| B. | Ascospore and Zygospore |
| C. | Arthrospore and Blastospore |
| D. | Sporangiospore and Zygospore |
| Answer» E. | |
| 17. |
Which of the following does not represent a human disease caused by fungi? |
| A. | Ringworm |
| B. | Cryptococcosis |
| C. | Malaria |
| D. | Jock itch |
| Answer» D. Jock itch | |
| 18. |
Fungi that lack partitions (septa) are called |
| A. | ahyphae |
| B. | coenocytic |
| C. | yeast |
| D. | conidia |
| Answer» C. yeast | |
| 19. |
Select the statement that does not apply to the kingdom Fungi |
| A. | The fungi are eukaryotic, multicellular, ingestive heterotrophs |
| B. | Some fungi form beneficial interrelationships with plants |
| C. | The fungal life cycle typically includes a spore stage |
| D. | Certain fungi are natural sources of antibiotic substances |
| Answer» B. Some fungi form beneficial interrelationships with plants | |
| 20. |
Fungi are important to food webs because |
| A. | they are photoautotrophs |
| B. | they have prokaryotic cell structure |
| C. | they serve as key decomposers of dead organic matter |
| D. | they generate antibiotics that kill competing plants and animals |
| Answer» D. they generate antibiotics that kill competing plants and animals | |
| 21. |
__________ exhibit yeast-like growth at human body temperatures and mold-like growth at room temperature. |
| A. | Dimorphic fungi |
| B. | Black bread molds |
| C. | Sac fungi |
| D. | Water molds |
| Answer» B. Black bread molds | |
| 22. |
__________ produce motile sexual and asexual spores. |
| A. | Slime molds |
| B. | Dimorphic fungi |
| C. | Club fungi |
| D. | Water molds |
| Answer» E. | |
| 23. |
Fungi |
| A. | are photosynthetic |
| B. | are prokaryotic cells |
| C. | have cell walls of peptidoglycan |
| D. | secrete extracellular enzymes to breakdown nutrients |
| Answer» E. | |
| 24. |
The amount of peptidoglycan in the cell walls of a mushroom |
| A. | is greater than the amount of chitin in the cell walls of a mushroom |
| B. | is lesser than the amount of chitin in the cell walls of a mushroom |
| C. | is exactly or approximately equal to the amount of chitin in the cell walls of a mushroom |
| D. | none of the above |
| Answer» C. is exactly or approximately equal to the amount of chitin in the cell walls of a mushroom | |
| 25. |
Yeast play an important role in the alcohol industry, converting pyruvic acid into carbon dioxide and ethyl alcohol by the process of |
| A. | glycolysis |
| B. | respiration |
| C. | fermentation |
| D. | Krebs cycle |
| Answer» D. Krebs cycle | |
| 26. |
Achlorophyllous means |
| A. | leading in chlorophyll |
| B. | lacking chlorophyll |
| C. | unable to use CO |
| D. | <sub>2</sub> |
| E. | none of these |
| Answer» C. unable to use CO | |
| 27. |
Saprophytic fungi |
| A. | engulf their food in order to break it down. |
| B. | secure their food from dead organic materials |
| C. | both (a) and (b) |
| D. | none of the above |
| Answer» C. both (a) and (b) | |
| 28. |
The fruiting body of a mushroom is called |
| A. | sorocarps |
| B. | basidiocarps |
| C. | ascocarps |
| D. | plasmodiocarps |
| Answer» C. ascocarps | |
| 29. |
The amount of phagocytosis done by the Plasmodium |
| A. | is greater than by the water mold mycelium |
| B. | is lesser than by the water mold mycelium |
| C. | is equal to by the water mold mycelium |
| D. | none of the above |
| Answer» B. is lesser than by the water mold mycelium | |
| 30. |
Water molds belong to which division? |
| A. | Ascomycota |
| B. | Basidiomycota |
| C. | Chytridiomycota |
| D. | Oomycota |
| Answer» E. | |
| 31. |
__________ produce basidiospores. |
| A. | Slime molds |
| B. | Dimorphic fungi |
| C. | Club fungi |
| D. | Sac fungi |
| Answer» D. Sac fungi | |
| 32. |
Ascospores located in asci are found in |
| A. | conidiocarps |
| B. | sorocarps |
| C. | ascocarps |
| D. | plasmodiocarps |
| Answer» D. plasmodiocarps | |
| 33. |
The terms mycelium and hyphae are associated with |
| A. | algae |
| B. | fungi |
| C. | protozoa |
| D. | viruses |
| Answer» C. protozoa | |
| 34. |
The organism that starts out as amoeboid, phagocytic cells and converts to a sluglike pseudoplasmodium that migrates prior to development of a sorocarp belongs to which division? |
| A. | Ascomycota |
| B. | Chytridiomycota |
| C. | Myxomycota |
| D. | Oomycota |
| Answer» D. Oomycota | |
| 35. |
Fungi are generally not |
| A. | multicellular |
| B. | containing cell walls |
| C. | photosynthetic |
| D. | spore-producing |
| Answer» D. spore-producing | |
| 36. |
The hyphae of mold are |
| A. | submerged |
| B. | aerial |
| C. | vegetative |
| D. | all of these |
| Answer» E. | |
| 37. |
The amount of chitin in the cell walls of the Plasmodium |
| A. | is greater than the water mold mycelium |
| B. | is lesser than the water mold mycelium |
| C. | is equal to the water mold mycelium |
| D. | none of the above |
| Answer» D. none of the above | |
| 38. |
Which of the following structures would not be associated with fungi? |
| A. | Mitochondria |
| B. | Cell walls |
| C. | Chloroplasts |
| D. | Spores |
| Answer» D. Spores | |
| 39. |
Which of the following divisions of fungi produce uniflagellated zoospores? |
| A. | Ascomycota |
| B. | Chytridiomycota |
| C. | Oomycota |
| D. | Zygomycota |
| Answer» C. Oomycota | |
| 40. |
The number of nuclei per cell in a dikaryotic cell |
| A. | is greater than diploid cell |
| B. | is lesser than diploid cell |
| C. | is equal to diploid cell |
| D. | none of these |
| Answer» B. is lesser than diploid cell | |
| 41. |
A mycelium describes |
| A. | saclike structure where fungal spores are produced |
| B. | single fungal strand made up of a long chain of cells |
| C. | interwoven mass of numerous hyphae |
| D. | none of the above |
| Answer» D. none of the above | |
| 42. |
Mycorrhizae are mutualistic associations between fungi and |
| A. | bacteria |
| B. | protozoa |
| C. | unicellular green algae |
| D. | vascular plants |
| Answer» E. | |
| 43. |
The Acrasiomycota differ from the Myxomycota |
| A. | in their mode of nutrition |
| B. | in their cellular organization |
| C. | Both (a) and (b) |
| D. | none of the above |
| Answer» C. Both (a) and (b) | |
| 44. |
Ecologically fungi are important because |
| A. | they act as decomposers and aid in nutrient cycling |
| B. | they are a major cause of plant diseases |
| C. | Both (a) and (b) |
| D. | none of the above |
| Answer» D. none of the above | |
| 45. |
The thallus of a mold consists of |
| A. | mycelium |
| B. | spores |
| C. | both (a) and (b) |
| D. | none of these |
| Answer» D. none of these | |
| 46. |
__________ produce zygospores. |
| A. | Slime molds |
| B. | Dimorphic fungi |
| C. | Club fungi |
| D. | Black bread molds |
| Answer» E. | |
| 47. |
The fungus responsible for ergotism belongs to which of the following fungal divisions? |
| A. | Deuteromycota |
| B. | Oomycota |
| C. | Zygomycota |
| D. | Ascomycota |
| Answer» E. | |
| 48. |
Fungi in the division Deuteromycota are characterized by the fact that |
| A. | they only reproduce sexually |
| B. | they form sexual spores called deuterospores |
| C. | they are incapable of sexual reproduction |
| D. | a method of sexual reproduction has not been identified |
| Answer» E. | |
| 49. |
The most significant reason why fungi are not in the kingdom Plantae is that fungi |
| A. | are chemoorganotrophic heterotrophs |
| B. | have unicellular and multi-cellular forms |
| C. | are prokaryotes |
| D. | are eukaryotes |
| Answer» B. have unicellular and multi-cellular forms | |
| 50. |
The basidiomycetes include plant parasites that can cause |
| A. | rust and smut diseases |
| B. | candidiasis |
| C. | ergot disease |
| D. | Dutch elm disease & chestnut blight |
| Answer» B. candidiasis | |