CBSE
Multiple Choice QuestionsThere exists a close association between the alga and the fungus within a lichen. The fungus
fixes the atmospheric nitrogen for the alga
provides protection, anchorage and absorption for the alga
provides food for the alga
releases oxygen for the alga
Which one has no intermediate host?
Taenia
Ascaris
Fasciola
Plasmodium
'Clamp connections' are observed in
Basidiomycetes
Zygomycetes
Ascomycetes
Oomycetes
Movements by pseudopodia of Amoeba are due to change in
pressure
atmosphere
temperature
viscosity
A genophore is made up of
a single double stranded DNA
a single stranded DNA
RNA and histones
histones and non- histones
Which one shows bio-luminescence?
Noctiluca
Polystomella
Entamoeba
Suctoria
In Whittaker's system of classification prokaryotes belong to the kingdom
Monera
Protista
Animalia
Fungi
Protists are
(i) unicellular and prokaryote
(ii) unicellular and eukaryote
(iii) multicellular and eukaryote
(iv) autotroph or heterotroph
(i), (ii) and (iii)
(ii), (iii) and (iv)
(iii), (iv)
(ii), (iv)
Litmus is obtained from
Rocella montagnei
Lasallia postulata
Both (a) and (b)
Cladonia crispata
Water bloom is generally caused by
green algae
blue- green algae
bacteria
Hydrilla
