MCQOPTIONS
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MCQOPTIONS
This section includes 107 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 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 | |
| 2. |
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 | |
| 3. |
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 | |
| 4. |
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 | |
| 5. |
Which of the following structures would not be associated with fungi? |
| A. | Mitochondria |
| B. | Cell walls |
| C. | Chloroplasts |
| D. | Spores |
| Answer» D. Spores | |
| 6. |
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 | |
| 7. |
Fungi differ from the other eukaryotic microbes in having |
| A. | flagella |
| B. | ergosterol |
| C. | chloroplasts |
| D. | an undulating membrane |
| Answer» C. chloroplasts | |
| 8. |
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 | |
| 9. |
A mutualistic association made up of a fungus and a cyanobacterium is called |
| A. | a saprobe |
| B. | a gamete |
| C. | lichen |
| D. | dimorphic |
| Answer» D. dimorphic | |
| 10. |
Which of the following divisions of fungi produce uniflagellated zoospores? |
| A. | Ascomycota |
| B. | Chytridiomycota |
| C. | Oomycota |
| D. | Zygomycota |
| Answer» C. Oomycota | |
| 11. |
Water molds form flagellated spores are called |
| A. | dinoflagellates |
| B. | fruiting bodies |
| C. | zoospores |
| D. | trichocysts |
| Answer» D. trichocysts | |
| 12. |
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 | |
| 13. |
Slime molds differ from the moldy fungi |
| A. | in their mode of nutrition: phagocytosis for the slime molds; absorptive heterotroph for moldy fungi |
| B. | in that the moldy fungi produce amoeboid or flagellated cells and the slime molds do not |
| C. | Both (a) and (b) |
| D. | none of the above |
| Answer» B. in that the moldy fungi produce amoeboid or flagellated cells and the slime molds do not | |
| 14. |
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) | |
| 15. |
Fungi that lack partitions (septa) are called |
| A. | ahyphae |
| B. | coenocytic |
| C. | yeast |
| D. | conidia |
| Answer» C. yeast | |
| 16. |
__________ produce zygospores. |
| A. | Slime molds |
| B. | Dimorphic fungi |
| C. | Club fungi |
| D. | Black bread molds |
| Answer» E. | |
| 17. |
The bread mold Rhizopus stolonifer belongs to which of the following fungal divisions? |
| A. | Ascomycota |
| B. | Deuteromycota |
| C. | Oomycota |
| D. | Zygomycota |
| Answer» E. | |
| 18. |
Ordinary inoculating loop can be used for inoculation of yeasts. |
| A. | True |
| B. | False |
| C. | May be |
| D. | Can't say |
| Answer» B. False | |
| 19. |
The hyphae of mold are |
| A. | submerged |
| B. | aerial |
| C. | vegetative |
| D. | all of these |
| Answer» E. | |
| 20. |
Which of the following are the oxygen requirements of molds? |
| A. | Strictly aerobic |
| B. | Facultatively aerobic |
| C. | Anaerobic |
| D. | Microaerophilic |
| Answer» B. Facultatively aerobic | |
| 21. |
Which division of fungi lack flagella? |
| A. | Mastigomycota |
| B. | Amastigomycota |
| C. | Gymnomycota |
| D. | Basidiomycetes |
| Answer» C. Gymnomycota | |
| 22. |
The taxa having the ending -mycetes is _______________ |
| A. | Division |
| B. | Subdivision |
| C. | Class |
| D. | Order |
| Answer» D. Order | |
| 23. |
Fruiting bodies of slime moulds are called ______________ |
| A. | acervulus |
| B. | sori |
| C. | apothecium |
| D. | perithecium |
| Answer» C. apothecium | |
| 24. |
__________ 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 | |
| 25. |
In the fungal classification system Ascomycetes come under the division of ________________ |
| A. | Gymnomycota |
| B. | Mastigomycota |
| C. | Amastigomycota |
| D. | Gymnomycota,Mastigomycota |
| Answer» D. Gymnomycota,Mastigomycota | |
| 26. |
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. | |
| 27. |
Which spore is on a club and results from the fusion of two nuclei from different strains of the same fungi? |
| A. | Ascospore |
| B. | Basidiospore |
| C. | Blastospore |
| D. | Conidiospore |
| Answer» C. Blastospore | |
| 28. |
Achlorophyllous means |
| A. | leading in chlorophyll |
| B. | lacking chlorophyll |
| C. | unable to use CO2 |
| D. | none of these |
| Answer» C. unable to use CO2 | |
| 29. |
What are the cell wall structural components of fungi? |
| A. | peptidoglycan |
| B. | cellulose |
| C. | chitin |
| D. | chitin,cellulose, or hemicellulose |
| Answer» E. | |
| 30. |
Jams and jellies are spoiled by both bacteria and fungi. |
| A. | True |
| B. | False |
| C. | May be |
| D. | Can't say |
| Answer» C. May be | |
| 31. |
Sabouraud media has _________________________ |
| A. | high ph,low sugar concentration |
| B. | high ph,moderate sugar concentration |
| C. | low ph,high sugar concentration |
| D. | low ph,moderate sugar concentration |
| Answer» D. low ph,moderate sugar concentration | |
| 32. |
Sabouraud media for the growth of fungi is composed of ____________________ |
| A. | glucose and ammonia |
| B. | maltose and peptone |
| C. | sucrose and peptone |
| D. | peptone |
| Answer» C. sucrose and peptone | |
| 33. |
Which of the following spores are formed by disjointing of hyphal cells? |
| A. | Conidiospores |
| B. | Chlamydospores |
| C. | Oidia |
| D. | Zoospores |
| Answer» D. Zoospores | |
| 34. |
In which of the following process does the male nucleus migrates through a fertilization tube into the female gametangium? |
| A. | Gametic copulation |
| B. | Gamete-gametangial copulation |
| C. | Gametangial copulation |
| D. | Somatic copulation |
| Answer» C. Gametangial copulation | |
| 35. |
The process of fusion of nuceus of two mating types is known as plasmogamy. |
| A. | True |
| B. | False |
| C. | May be |
| D. | Can't say |
| Answer» C. May be | |
| 36. |
Which of the following spores are formed at the tips of sterigmata? |
| A. | Zygospores |
| B. | Oospores |
| C. | Basidiospores |
| D. | Blastospores |
| Answer» D. Blastospores | |
| 37. |
How many ascospores are present in each ascus? |
| A. | Four |
| B. | Six |
| C. | Two |
| D. | Eight |
| Answer» E. | |
| 38. |
Yeasts have flagella for the purpose of locomotion. |
| A. | True |
| B. | False |
| C. | May be |
| D. | Can't say |
| Answer» C. May be | |
| 39. |
The plasmalemma surrounds which of the following? |
| A. | lumen |
| B. | wall |
| C. | protoplasm |
| D. | hyphae |
| Answer» D. hyphae | |
| 40. |
What do the term dimorphic mean? |
| A. | Bisexual |
| B. | Unisexual |
| C. | Exists in two forms |
| D. | Exists in single form |
| Answer» D. Exists in single form | |
| 41. |
Asexual fruiting bodies have name such as ________________ |
| A. | perithecium |
| B. | pycnidium |
| C. | antheridium |
| D. | apothecium |
| Answer» C. antheridium | |
| 42. |
Which fungi causes black wart disease of potato? |
| A. | Saprolegnia parasitica |
| B. | Synchytrium endobioticum |
| C. | Rhizopus stolonifer |
| D. | Saccharomyces cerevisiae |
| Answer» C. Rhizopus stolonifer | |
| 43. |
The mature zygospore lies dormant for how many days? |
| A. | 4-5 days |
| B. | 1-3 months |
| C. | 1 year |
| D. | 20 days |
| Answer» C. 1 year | |
| 44. |
Neurospora sp. is important for the study of _____________________ |
| A. | human diseases |
| B. | antibiotics |
| C. | genetics and metabolic pathway |
| D. | plant diseases |
| Answer» D. plant diseases | |
| 45. |
Molds are considered as |
| A. | mesophillic |
| B. | psychotropic |
| C. | thermophillic |
| D. | all of these |
| Answer» E. | |
| 46. |
Schizosaccharomyces versatilis is isolated from ________________ |
| A. | grape juice |
| B. | cheese |
| C. | honey |
| D. | beer |
| Answer» B. cheese | |
| 47. |
The terms mycelium and hyphae are associated with |
| A. | algae |
| B. | fungi |
| C. | protozoa |
| D. | viruses |
| Answer» C. protozoa | |
| 48. |
The fungus responsible for ergotism belongs to which of the following fungal divisions? |
| A. | Deuteromycota |
| B. | Oomycota |
| C. | Zygomycota |
| D. | Ascomycota |
| Answer» E. | |
| 49. |
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 | |
| 50. |
Which of the following are acellular slime moulds? |
| A. | Acrasiomycetes |
| B. | Myxomycetes |
| C. | Oomycetes |
| D. | Ascomycetes |
| Answer» C. Oomycetes | |