Fungi - Molds and Yeasts MCQs : This section focuses on the "Fungi - Molds and Yeasts". These Multiple Choice Questions (MCQs) should be practiced to improve the Fungi - Molds and Yeasts skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
__________ produce ascospores in an ascus.
A. Slime molds
B. Dimorphic fungi
C. Club fungi
D. Sac fungi
Question 2
__________ produce basidiospores.
A. Slime molds
B. Dimorphic fungi
C. Club fungi
D. Sac fungi
Question 3
__________ produce motile sexual and asexual spores.
A. Slime molds
B. Dimorphic fungi
C. Club fungi
D. Water molds
Question 4
__________ produce zygospores.
A. Slime molds
B. Dimorphic fungi
C. Club fungi
D. Black bread molds
Question 5
A mutualistic association made up of a fungus and a cyanobacterium is called
A. a saprobe
B. a gamete
C. lichen
D. dimorphic
Question 6
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
Question 7
Achlorophyllous means
A. leading in chlorophyll
B. lacking chlorophyll
C. unable to use CO2
D. none of these
Question 8
An organism in the Deuteromycota has all the following except
A. asexual spores
B. absorptive nutrition
C. ascospores, basidiospores or zygospores
D. a nucleus
Question 9
Anaerobic degradation of proteins brought about by bacteria and fungi give the products like
A. mercaptans and indole
B. H2S
C. both (a) and (b)
D. None of these
Question 10
Ascospores located in asci are found in
A. conidiocarps
B. sorocarps
C. ascocarps
D. plasmodiocarps
Question 11
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
Question 12
Ergotism is responsible for all of the following except
A. hallucinations
B. Irish potato famine
C. both (a) and (b)
D. gangrene
Question 13
Fungi are generally not
A. multicellular
B. containing cell walls
C. photosynthetic
D. spore-producing
Question 14
Fungi are important in the production of all of the following commercial products except
A. bread
B. beer
C. cheese
D. rubber
Question 15
Fungi differ from the other eukaryotic microbes in having
A. flagella
B. ergosterol
C. chloroplasts
D. an undulating membrane
Question 16
Molds are considered as
A. mesophillic
B. psychotropic
C. thermophillic
D. all of these
Question 17
Mushrooms are classified in which of the following division?
A. Ascomycota
B. Basidiomycota
C. Zygomycota
D. Deuteromycota
Question 18
Mycorrhizae are mutualistic associations between fungi and
A. bacteria
B. protozoa
C. unicellular green algae
D. vascular plants
Question 19
Name the asexual spore(s)?
A. Conidia
B. Sporangiospore
C. Arthospores
D. All of these
Question 20
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
Question 21
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
Question 22
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
Question 23
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
Question 24
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
Question 25
The basidiomycetes include plant parasites that can cause
A. rust and smut diseases
B. candidiasis
C. ergot disease
D. Dutch elm disease & chestnut blight
Question 26
The hyphae of mold are
A. submerged
B. aerial
C. vegetative
D. all of these
Question 27
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
Question 28
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
Question 29
The terms mycelium and hyphae are associated with
A. algae
B. fungi
C. protozoa
D. viruses
Question 30
The thallus of a mold consists of
A. mycelium
B. spores
C. both (a) and (b)
D. none of these
Question 31
Water molds form flagellated spores are called
A. dinoflagellates
B. fruiting bodies
C. zoospores
D. trichocysts
Question 32
Which of the following divisions of fungi produce uniflagellated zoospores?
A. Ascomycota
B. Chytridiomycota
C. Oomycota
D. Zygomycota
Question 33
Which of the following is correct?
A. All members of Sac fungus are also members of chemo-lithotrophic autotroph, but not all members of chemolithotrophic autotroph are members of Sac fungus.
B. All members of chemolithotrophic autotroph are also members of Sac fungus, but not all members of Sac fungus are members of chemolithotrophic autotroph.
C. All members of Sac fungus are members of chemolithotrophic autotroph, and all members of chemolithotrophic autotroph are members of Sac fungus.
D. none of the above
Question 34
Which of the following is correct?
A. All members of heterotrophic organisms are also members of fungi, but not all members of fungi are members of heterotrophic organisms
B. All members of fungi are also members of heterotrophic organisms, but not all members of heterotrophic organisms are members of fungi
C. All members of heterotrophic organisms are members of fungi and all members of fungi are members of heterotrophic organisms.
D. none of the above
Question 35
Which of the following is not a member of the division Ascomycota?
A. Aspergillus
B. Claviceps
C. Penicillium
D. Rhizopus
Question 36
Which of the following is/are the sexual spore?
A. Ascospores
B. Basidiospores
C. Both (a) and (b)
D. None of these
Question 37
Which of the following structures would not be associated with fungi?
A. Mitochondria
B. Cell walls
C. Chloroplasts
D. Spores
Question 38
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
Question 39
Yeasts may undergo
A. alcoholic fermentation
B. homolactic fermentation
C. heterolactic fermentation
D. all of these