CBSE
Nucleic acid is absent in
Virus
Viroid
Prion
Mycoplasma
Thigmotaxis is not shown by
Paramecium
Amoeba
Ascaris
Hydra
Edible part of mushroom is
basidiocarp
secondary mycelium
primary mycelium
tertiary mycelium
The process which cannot take place in the absence of viruses is
transformation
conjugation
translocation
transduction
Polyp phase is absent in
Hydra
Aurelia
Physalia
Obelia
Most primitive member, in which roots are not present, is
Psilotum
Rhynia
Lycopodium
Selaginella
Entamoeba histolytica differs from Amoeba in absence of
pseudopodia
contractile vacuole
nucleus
ectoplasm
Which part of an animal virus is not reproduced in multiple copies?
Capsid
Protein
Envelope
Ribosome
In Whittaker's system of classification, prokaryotes belong to the kingdom
Monera
Protista
Animalia
Fungi
Contractile vacuole in protozoan Amoeba is meant for
respiration
excretion
locomotion
osmoregulation