FSC Biology MCQs

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Which one of the following is different from all the rest regarding the number of cells inits body?
A. Rusts B. Mushrooms
C. Molds D. Yeasts
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[explanation]d[/explanation]
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[question]
Root like structure in saprotrophic fungi are called
A. Rhizodis B. Haustoria
C. Hyphae D. Constricting rings
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[explanation]A[/explanation]
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Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called
A. Parasitic fungi B. Obligate parasitic fungi
C. Facultative parasitic fungi D. All of these
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[explanation]b[/explanation]
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Lichen is a symbiotic mutualistic association of fungi with
A. Autotrophs B. Roots of vascular plants
C. Green algae and cyanobacterium D. Leguminous plants
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[explanation]c[/explanation]
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An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called:
A. Mycorrizael association B. Endomycorrhizae
C. Ectomycorrhizae D. Lichen
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[explanation]c[/explanation]
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Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called
A. Mildew B. Constricting ring
C. Haustoria D. All of these
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[explanation]c[/explanation]
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[question]
Type of lichen which tightly attaches to rocks is
A. Parmelia B. Fruticose
C. Foliose D. Crustose
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[explanation]d[/explanation]
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[question]
Which of the following statement is incorrect about asexual reproduction by spores in fungi?
A. Spores are haploid structures B. They are dispersed via wind water and insects
C. On falling to a suitable place they germinate D. These are produced through fruiting bodies like ascocarps and basidiocarps.
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[explanation]d[/explanation]
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In which of the following example of fungi dikaryotic hyphae exist for long period?
A. Deuteromycota B. Basidiomycota
C. Zygomycota D. All of these
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[explanation]b[/explanation]
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At which stage in the life cycle of Rhizopus meiosis takes place?
A. Formation of sporangiophore via germination of zygospore. B. Formation of spores in sporangia
C. Fusion of two hyphae D. Formation of Zygote by fusion of gametangia.
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[explanation]A[/explanation]
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