CBSE
Multiple Choice QuestionsTrochophore is the larva of :
Neopilina
Chiton
Pila
all of these
Dikaryon formation is characteristic of :
ascomycetes and basidiomycetes
phycotnycetes and basidiomycetes
ascomycetes and phycomycetes
phycomycetes and zygomycetes
Which of the following fungi is found useful in the biological control of plant disease ?
Penicillium notatum
Phytophthora parasitica
Mucor mucido
Trichoderma viridae
The protists have
only free nucleic acid aggregates
membrane bound nucleoproteins lying embedded in the cytoplasm
nucleoprotein in direct contact with the rest of the cell substance
none of these
In Entamoeba histolytica, the presence of chromatid bodies is characteristic of
precystic stage
mature quadrinucleate stage
trophozoite stage
mature binucleate stage
Which of the following structures helps in the respiration of lichens?
Soredia
lsidia
Cyphella
Cephalodia
Medicine for curing respiratory problems is obtained from
Ephedra
Calotropis
Eucalyptus
Cannabis
The slime moulds are characterized by the presence of :
elaters
pseudoelaters
capillitium
capitulum
Which of the following taxonomist described classification of plant kingdom in "Families of flowering plants" ?
Cronquist
Takhtajan
Benson
Hutchinson
In the sporogonium of which plant, columella is present ?
Penicillium
Spirogyra
Rhizopus
Ulothrix
