MCQOPTIONS
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MCQOPTIONS
This section includes 57 Mcqs, each offering curated multiple-choice questions to sharpen your Fungi Molds and Yeasts knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Anaerobic degradation of proteins brought about by bacteria and fungi give the products like |
| A. | mercaptans and indole |
| B. | B. |
| C. | C. |
| D. | |
| E. | None of these |
| Answer» D. | |
| 2. |
_________ produce zygospores. |
| A. | Slime molds |
| B. | Dimorphic fungi |
| C. | Club fungi |
| D. | Black bread molds |
| Answer» E. | |
| 3. |
Aspergillus niger is used in the production of _______________ |
| A. | cheese |
| B. | citric acid |
| C. | C. |
| D. | |
| E. | citric acid and gluconic acid |
| Answer» E. citric acid and gluconic acid | |
| 4. |
Cryptococcosis is a disease of ________________ |
| A. | bacterial infection |
| B. | B. |
| C. | |
| D. | viral infection |
| E. | D. |
| Answer» E. D. | |
| 5. |
Which of the following are the oxygen requirements of molds? |
| A. | Strictly aerobic |
| B. | B. |
| C. | |
| D. | Anaerobic |
| E. | Microaerophilic |
| Answer» B. B. | |
| 6. |
The optimum pH for the growth of fungi is ____________ |
| A. | 7.8-9.0 |
| B. | B. |
| C. | |
| D. | 3.8-5.6 |
| E. | D. |
| Answer» D. 3.8-5.6 | |
| 7. |
What are the cell wall structural components of fungi? |
| A. | peptidoglycan |
| B. | cellulose |
| C. | chitin |
| D. | chitin,cellulose, or hemicellulose |
| Answer» E. | |
| 8. |
Yeasts have flagella for the purpose of locomotion. |
| A. | True |
| B. | False |
| C. | May be |
| D. | Can't say |
| Answer» C. May be | |
| 9. |
Coenocytic hyphae have ________________ |
| A. | septate with uninucleate cells |
| B. | septate with multinucleate cells |
| C. | no septate |
| D. | no septate with uninucleate cells |
| Answer» D. no septate with uninucleate cells | |
| 10. |
Hyphal wall consists of microfibrils composed of ___________________ |
| A. | hemicellulose or chitin |
| B. | cellulose |
| C. | lipids |
| D. | proteins |
| Answer» B. cellulose | |
| 11. |
Fungi are ______________ |
| A. | prokaryotic |
| B. | eukaryotic |
| C. | prokaryotic and lack chlorophyll |
| D. | eukaryotic and lack chlorophyll |
| Answer» E. | |
| 12. |
How many ascospores are present in each ascus? |
| A. | Four |
| B. | Six |
| C. | Two |
| D. | Eight |
| Answer» E. | |
| 13. |
Which of the following spores are formed at the tips of sterigmata? |
| A. | Zygospores |
| B. | Oospores |
| C. | Basidiospores |
| D. | Blastospores |
| Answer» D. Blastospores | |
| 14. |
There are one or more oospheres in each oogonium. |
| A. | True |
| B. | False |
| C. | May be |
| D. | Can't say |
| Answer» B. False | |
| 15. |
Asexual fruiting bodies have name such as ________________ |
| A. | perithecium |
| B. | pycnidium |
| C. | antheridium |
| D. | apothecium |
| Answer» C. antheridium | |
| 16. |
Spores formed by sexual reproduction on a club-shaped structure are _______________ |
| A. | Ascospores |
| B. | Zygospores |
| C. | Basidiospores |
| D. | Oospores |
| Answer» D. Oospores | |
| 17. |
The plasmalemma surrounds which of the following? |
| A. | lumen |
| B. | wall |
| C. | protoplasm |
| D. | hyphae |
| Answer» D. hyphae | |
| 18. |
The crosswalls constrict which of the following parts and then grow inwards to form septum? |
| A. | hyphae |
| B. | lumen |
| C. | protoplasm |
| D. | plasmalemma |
| Answer» E. | |
| 19. |
Which among the following are asexual spores? |
| A. | Blastospores |
| B. | Ascospores |
| C. | Basidiospores |
| D. | Zygospores |
| Answer» B. Ascospores | |
| 20. |
Aplanospores are ___________________ |
| A. | motile sporangiospores |
| B. | nonmotile sporangiospores |
| C. | oidia |
| D. | chlamydospores |
| Answer» C. oidia | |
| 21. |
Which among the following are spores formed by budding? |
| A. | Arthrospores |
| B. | Chlamydospores |
| C. | Blastospores |
| D. | Conidiospores |
| Answer» D. Conidiospores | |
| 22. |
The yeast cell or mould filament is surrounded by a true cell wall. |
| A. | True |
| B. | False |
| C. | May be |
| D. | Can't say |
| Answer» B. False | |
| 23. |
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 | |
| 24. |
What are the dimensions of the filaments that the thallus of a fungus consists of? |
| A. | 1 micrometre |
| B. | 5 to 10 micrometre |
| C. | 1 metre |
| D. | 1 centimetre |
| Answer» C. 1 metre | |
| 25. |
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 | |
| 26. |
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 | |
| 27. |
The structure which contains the zygote nuclei in Rhizopus stolonifer is is known as _______________ |
| A. | progametangia |
| B. | zygospore |
| C. | suspensor cell |
| D. | D. |
| Answer» E. | |
| 28. |
The common yeast Schizosaccharomyces follows which of the following asexual reproduction methods? |
| A. | binary fission |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» B. B. | |
| 29. |
The taxa having the ending -mycetes is _______________ |
| A. | Division |
| B. | Subdivision |
| C. | Class |
| D. | Order |
| Answer» D. Order | |
| 30. |
Which division of fungi lack flagella? |
| A. | Mastigomycota |
| B. | Amastigomycota |
| C. | Gymnomycota |
| D. | Basidiomycetes |
| Answer» C. Gymnomycota | |
| 31. |
Which class of fungi among the following have motile cells with two laterally inserted flagella,one tinsel and the other whiplash? |
| A. | Chytridiomycetes |
| B. | Zygomycetes |
| C. | Deuteromycetes |
| D. | Oomycetes |
| Answer» E. | |
| 32. |
Fruiting bodies of slime moulds are called ______________ |
| A. | acervulus |
| B. | sori |
| C. | apothecium |
| D. | perithecium |
| Answer» C. apothecium | |
| 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. |
Rhizopus stolonifer belongs to which class? |
| A. | Acrasiomycetes |
| B. | Zygomycetes |
| C. | Deuteromycetes |
| D. | Oomycetes |
| Answer» E. | |
| 37. |
Fungi are sensitive to which of the following antibiotics? |
| A. | penicillins |
| B. | tetracyclins |
| C. | chloramphenicol |
| D. | griseofulvin |
| Answer» E. | |
| 38. |
Ordinary inoculating loop can be used for inoculation of yeasts. |
| A. | True |
| B. | False |
| C. | May be |
| D. | D. |
| Answer» B. False | |
| 39. |
In the fungal classification system Ascomycetes come under the division of ________________ |
| A. | Gymnomycota |
| B. | Mastigomycota |
| C. | Amastigomycota |
| D. | Gymnomycota,Mastigomycota |
| Answer» D. Gymnomycota,Mastigomycota | |
| 40. |
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 | |
| 41. |
Pathogenic fungi have a temperature optimum at __________ |
| A. | 30 to 37 degree celsius |
| B. | 22 to 30 degree celsius |
| C. | 37 to 42 degree celsius |
| D. | 42 to 50 degree celsius |
| Answer» B. 22 to 30 degree celsius | |
| 42. |
Neurospora sp. is important for the study of _____________________ |
| A. | human diseases |
| B. | B. |
| C. | antibiotics |
| D. | genetics and metabolic pathway |
| E. | D. |
| Answer» D. genetics and metabolic pathway | |
| 43. |
Legitimate copulation refers to ___________________ |
| A. | fusion between cells of same mating type |
| B. | B. |
| C. | |
| D. | no fusion |
| E. | D. |
| Answer» C. | |
| 44. |
Schizosaccharomyces versatilis is isolated from ________________ |
| A. | grape juice |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» B. B. | |
| 45. |
In the life cycle of Rhizopus stolonifer,when the protoplasts and nuclei of both gametangia coalesce, the structure is known as ________________ |
| A. | progametangia |
| B. | coenozygote |
| C. | zygospore |
| D. | zygote |
| Answer» C. zygospore | |
| 46. |
Zygomycetes have which type of mycelia? |
| A. | nonseptate |
| B. | septate with uninucleate |
| C. | C. |
| D. | |
| E. | white,nonseptate |
| Answer» E. white,nonseptate | |
| 47. |
Which fungi causes black wart disease of potato? |
| A. | Saprolegnia parasitica |
| B. | B. |
| C. | |
| D. | Rhizopus stolonifer |
| E. | D. |
| Answer» C. | |
| 48. |
The mature zygospore lies dormant for how many days? |
| A. | 4-5 days |
| B. | B. |
| C. | |
| D. | 1 year |
| E. | D. |
| Answer» C. | |
| 49. |
The bread mold Rhizopus stolonifer belongs to which of the following fungal divisions? |
| A. | Ascomycota |
| B. | Deuteromycota |
| C. | Oomycota |
| D. | Zygomycota |
| Answer» E. | |
| 50. |
Which of the following are acellular slime moulds? |
| A. | Acrasiomycetes |
| B. | Myxomycetes |
| C. | Oomycetes |
| D. | Ascomycetes |
| Answer» C. Oomycetes | |