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Fungi - Molds and Yeasts MCQ Questions & Answers

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

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

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Question 2

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

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Question 3

Mushrooms are classified in which of the following division?

A. Ascomycota
B. Basidiomycota
C. Zygomycota
D. Deuteromycota

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Question 4

__________ produce basidiospores.

A. Slime molds
B. Dimorphic fungi
C. Club fungi
D. Sac fungi

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Question 5

Which of the following is not a member of the division Ascomycota?

A. Aspergillus
B. Claviceps
C. Penicillium
D. Rhizopus

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Question 6

Name the asexual spore(s)?

A. Conidia
B. Sporangiospore
C. Arthospores
D. All of these

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Question 7

Fungi are important in the production of all of the following commercial products except

A. bread
B. beer
C. cheese
D. rubber

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Question 8

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

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Question 9

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

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Question 10

A mutualistic association made up of a fungus and a cyanobacterium is called

A. a saprobe
B. a gamete
C. lichen
D. dimorphic

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Question 11

The thallus of a mold consists of

A. mycelium
B. spores
C. both (a) and (b)
D. none of these

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Question 12

Ergotism is responsible for all of the following except

A. hallucinations
B. Irish potato famine
C. both (a) and (b)
D. gangrene

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Question 13

Achlorophyllous means

A. leading in chlorophyll
B. lacking chlorophyll
C. unable to use CO2
D. none of these

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Question 14

Water molds form flagellated spores are called

A. dinoflagellates
B. fruiting bodies
C. zoospores
D. trichocysts

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Question 15

Which of the following is/are the sexual spore?

A. Ascospores
B. Basidiospores
C. Both (a) and (b)
D. None of these

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Question 16

Mycorrhizae are mutualistic associations between fungi and

A. bacteria
B. protozoa
C. unicellular green algae
D. vascular plants

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Question 17

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

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Question 18

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

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Question 19

Fungi differ from the other eukaryotic microbes in having

A. flagella
B. ergosterol
C. chloroplasts
D. an undulating membrane

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Question 20

Yeasts may undergo

A. alcoholic fermentation
B. homolactic fermentation
C. heterolactic fermentation
D. all of these

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Question 21

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

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Question 22

Which of the following structures would not be associated with fungi?

A. Mitochondria
B. Cell walls
C. Chloroplasts
D. Spores

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Question 23

The hyphae of mold are

A. submerged
B. aerial
C. vegetative
D. all of these

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Question 24

__________ produce zygospores.

A. Slime molds
B. Dimorphic fungi
C. Club fungi
D. Black bread molds

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Question 25

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

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Question 26

Fungi are generally not

A. multicellular
B. containing cell walls
C. photosynthetic
D. spore-producing

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Question 27

__________ produce ascospores in an ascus.

A. Slime molds
B. Dimorphic fungi
C. Club fungi
D. Sac fungi

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Question 28

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

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Question 29

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

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Question 30

The basidiomycetes include plant parasites that can cause

A. rust and smut diseases
B. candidiasis
C. ergot disease
D. Dutch elm disease & chestnut blight

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Question 31

Molds are considered as

A. mesophillic
B. psychotropic
C. thermophillic
D. all of these

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Question 32

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

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Question 33

The terms mycelium and hyphae are associated with

A. algae
B. fungi
C. protozoa
D. viruses

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Question 34

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

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Question 35

Ascospores located in asci are found in

A. conidiocarps
B. sorocarps
C. ascocarps
D. plasmodiocarps

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Question 36

__________ produce motile sexual and asexual spores.

A. Slime molds
B. Dimorphic fungi
C. Club fungi
D. Water molds

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Question 37

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

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Question 38

An organism in the Deuteromycota has all the following except

A. asexual spores
B. absorptive nutrition
C. ascospores, basidiospores or zygospores
D. a nucleus

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Question 39

Which of the following divisions of fungi produce uniflagellated zoospores?

A. Ascomycota
B. Chytridiomycota
C. Oomycota
D. Zygomycota

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