Biology MCQs

Page No. 69

Which of the following is responsible for Irish potato famine?


aDinoflagellates


bKleps


cPhysarum polycephalum


dPhytophthora infestans



Fungi can tolerate pH from____________?


a3-7


b2-6


c2-9


d3-6


View Answer 2-9

Spores in sporangia are produced by process?


aSexual


bAsexual


cBoth of these


dNone of these


View Answer Asexual

Mycorrhizae are found in about__________vascular plants?


a90%


b95%


c98%


d96%


View Answer 95%

Which of the following statement is incorrect about asexual reproduction by spores in fungi?


aSpores are haploid structures


bThey are dispersed via wind water and insects


cOn falling to a suitable place they germinate


dThese are produced through fruiting bodies like ascocarps and basidiocarps.



Type of lichen which tightly attaches to rocks is_____________?


aParmelia


bFruticose


cFoliose


dCrustose


View Answer Crustose

Simple breaking of mycelium resulting in formation of a new mycelium from each broken segments is called__________?


aSporing


bConidiation


cBudding


dFragmentation


View Answer Fragmentation

Constricting ring around nematode is formed by_____________?


aArthrobotrys


bPleurotus ostreatus


cMildews


dAll of these


View Answer Arthrobotrys

By which of the following mechanism unicellular yeast reproduce?


aSporing


bConidiation


cBudding


dFragmentation


View Answer Budding

Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called___________?


aMildew


bConstricting ring


cHaustoria


dAll of these


View Answer Haustoria

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