-
question_answer1)
Mucor is a
A)
Parasitic fungus done
clear
B)
Saprophytic fungus done
clear
C)
Facultative saprophytic fungus done
clear
D)
None of the above done
clear
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question_answer2)
Coenogametes are formed in [CPMT 1999]
A)
Albugo done
clear
B)
Saccharomyces done
clear
C)
Rhizopus done
clear
D)
Alternaria done
clear
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question_answer3)
Under favourable conditions Mucor reproduces
A)
Asexually done
clear
B)
Sexually done
clear
C)
Parasexually done
clear
D)
None of the above done
clear
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question_answer4)
Warm and humid condition is most favourable for the growth of
A)
Mucor done
clear
B)
Moss done
clear
C)
Selaginella done
clear
D)
Pinus done
clear
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question_answer5)
In Mucor, asexual reproduction takes place by [MP PMT 1993]
A)
Motile zoospores done
clear
B)
Spores done
clear
C)
Zoogametes done
clear
D)
Zygospores done
clear
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question_answer6)
Which one of the following life cycle is associated with Mucor [MP PMT 1994]
A)
Haplontic done
clear
B)
Diplontic done
clear
C)
Isomorphic done
clear
D)
Heteromorphic done
clear
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question_answer7)
Zygospores are formed in [MP PMT 1995; AFMC 2002; Orissa JEE 2005]
A)
Puccinia done
clear
B)
Penicillium done
clear
C)
Alternaria done
clear
D)
Mucor / Rhizopus done
clear
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question_answer8)
Common bread mould is [MP PMT 1996]
A)
Yeast done
clear
B)
Rhizopus done
clear
C)
Bacteria done
clear
D)
Virus done
clear
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question_answer9)
Which of the following types of heterothallism is found in Mucor
A)
Morphological heterothallism done
clear
B)
Physiological 2?allele heterothallism done
clear
C)
Physiological bipolar mutiple allele heterothallism done
clear
D)
Physiological tetrapolar multiple allele heterothallism done
clear
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question_answer10)
Which of the following induces sexual reproduction in Mucor/ Rhizopus
A)
Indole acetic acid done
clear
B)
Trisporic acid done
clear
C)
Gibberellic acid done
clear
D)
Citric acid done
clear
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question_answer11)
According to recent classification system, Mucor is classified under
A)
Plant kingdom done
clear
B)
Animal kingdom done
clear
C)
Both plant and animal kingdom done
clear
D)
A separate kingdom done
clear
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question_answer12)
Multinucleated filament of rihzophus is [RPMT 1997; BCECE 2005]
A)
Coenocytic done
clear
B)
Conidia done
clear
C)
Heterothallus done
clear
D)
Homothallus done
clear
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question_answer13)
Mucor shows [MP PMT 2002]
A)
Isogamy done
clear
B)
Anisogamy done
clear
C)
Oogamy done
clear
D)
None of the above done
clear
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question_answer14)
Sporangiospores of Mucor are [MP PMT 2002]
A)
Haploid done
clear
B)
Diploid done
clear
C)
Triploid done
clear
D)
Polyploid done
clear
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question_answer15)
Mucor is classified under
A)
Chytridiomycetes done
clear
B)
Zygomycetes done
clear
C)
Ascomycetes done
clear
D)
Deuteromycetes done
clear
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question_answer16)
The zygospore in Rhizopus develops into [J & K CET 2002]
A)
Zygospore done
clear
B)
Promycelium done
clear
C)
Progametangium done
clear
D)
Gametangium done
clear
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question_answer17)
In Mucor and Rhizopus there occurs a phenomenon known as heterothallism which means
A)
Fusion of two gametes from two thalli of opposite strains done
clear
B)
Fusion of two gametes from thalli of similar stain done
clear
C)
Formation of a zygospore partheno-genetically done
clear
D)
Torula stage done
clear
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question_answer18)
Which of the following plant and its mode of nutrition is not correctly matched [AIEEE 2003]
A)
Cuscuta - Stem parasite done
clear
B)
Mucor - Autotroph done
clear
C)
Orobanche - Root parasite done
clear
D)
Drosera - Insectivorous done
clear
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question_answer19)
Which one of the following fungus shows heterothallism [BHU 1999; MHCET 2001]
A)
Erisyphe done
clear
B)
Peziza done
clear
C)
Rhizopus done
clear
D)
Peronospora done
clear
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question_answer20)
Common bread mould is [CBSE PMT 2001]
A)
Rhizopus oryzae done
clear
B)
Rhizobium species done
clear
C)
Rhizopus nedosus done
clear
D)
Rhizopus stolonifer done
clear
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question_answer21)
The negatively geotrophic and unbranched hyphae in Rhizopus are known as
A)
Zygospore done
clear
B)
Stoloniferous done
clear
C)
Sporangiophores done
clear
D)
Rhizoidal hyphae done
clear
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question_answer22)
In Rhizopus, sexual fusion takes place between [CPMT 1985]
A)
Two gametangia done
clear
B)
Two gametes done
clear
C)
Two hyphae done
clear
D)
Two sporangia done
clear
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question_answer23)
Mode of nutrition in Rhizopus is [AFMC 1993; CPMT 1991]
A)
Parasitic done
clear
B)
Symbiotic done
clear
C)
Saprophytic done
clear
D)
Autotrophic done
clear
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question_answer24)
Rhizopus belongs to [CPMT 1991]
A)
Zygomycetes done
clear
B)
Basidiomycetes done
clear
C)
Ascomycetes done
clear
D)
Deuteromycetes done
clear
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question_answer25)
Food stored in Rhizopus / Mucor as [RPMT 1985, 87, 96, 2000; MP PMT 1987; CBSE PMT 1992]
A)
Protein and steriods done
clear
B)
Sugar and oil done
clear
C)
Protein and starch done
clear
D)
Glycogen and oil done
clear
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question_answer26)
Rhizopus reproduces asexually through [AMU 1999]
A)
Sporangiospores done
clear
B)
Aplanospores done
clear
C)
Chlamydospores done
clear
D)
All of these done
clear
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question_answer27)
Mycelium of Mucor/ Rhizopus is [MP PMT 2000]
A)
Aseptate and unicellular done
clear
B)
Septate and unicellular done
clear
C)
Septate and multicellular done
clear
D)
Coenocytic done
clear
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question_answer28)
The wall of Rhizopus hypha is composed of [MP PMT 2001]
A)
Cellulose done
clear
B)
Chitin done
clear
C)
Pectin done
clear
D)
Hemicellulose done
clear
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question_answer29)
Yeast like budding of oidia in Mucor/ Rhizopus is called [MP PMT 2001]
A)
Palmella done
clear
B)
Chantransia done
clear
C)
Torula done
clear
D)
Gongrosira done
clear
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question_answer30)
Thick walled asexual spores formed by Rhizopus are
A)
Aplanospores done
clear
B)
Akinetes done
clear
C)
Plasmospores done
clear
D)
Chlamydospores done
clear
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question_answer31)
In Rhizopus we find white cottony mycelium which shows black spots during asexual reproduction. These spots are
A)
Zoospores done
clear
B)
Parthenospore done
clear
C)
Oospores done
clear
D)
Mitospores done
clear
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question_answer32)
The disease caused by Mucor in human being
A)
Torulosis done
clear
B)
Mucormycosis done
clear
C)
Moniliasis done
clear
D)
None of these done
clear
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question_answer33)
The disease caused by Rhizopus sp.
A)
Early blight of potato done
clear
B)
Damping of seedlings done
clear
C)
Soft rot in sweet potato done
clear
D)
Blast disease in rice done
clear
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question_answer34)
In Rhizopus if conjugation fails, gametangia behave as zygospore. It is called as [AIIMS 2000]
A)
Conidia done
clear
B)
Parthenospore done
clear
C)
Gametangia done
clear
D)
Sporangiospore done
clear
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question_answer35)
The reduction division in the life cycle of Rhizopus occurs [CPMT 1990]
A)
At the time of germination of zygospores done
clear
B)
During the formation of germ sporangium done
clear
C)
During asexual reproduction done
clear
D)
During the formation of gametangium done
clear
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question_answer36)
Species of Rhizopus
A)
Homothallic done
clear
B)
Heterothallic done
clear
C)
Mostly homothallic rarely heterothallic done
clear
D)
Mostly heterothallic rarely homothallic done
clear
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question_answer37)
The sexual reproduction is initiated in Rhizopus by
A)
Telomorphic reaction done
clear
B)
Zygotropic reaction done
clear
C)
Both (a) and (b) done
clear
D)
Thigmotropic reaction done
clear
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question_answer38)
In Rhizopus, hyphae are [RPMT 2002]
A)
Branched, septate and uninucleate done
clear
B)
Branched, aseptate and multinucleate done
clear
C)
Unbranched, aseptate and multinucleate done
clear
D)
Unbranched, septate and coenocytic done
clear
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question_answer39)
Columella is a specialized structure found in the sporangium of [CBSE PMT 1999; BHU 1999; CPMT 2004]
A)
Ulothrix done
clear
B)
Rhizopus done
clear
C)
Spirogyra done
clear
D)
None of these done
clear
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