RNA of the virus
DNA of the virus
RNA of the host
Ribosome of the host
D. Ribosome of the host
RNA
DNA
DNA and RNA
none of these
episome
mesosome
free DNA
T-phage
virion
vira
viroid
none of these
antivirin
antigen
virion
interferon
can grow inside a living host
can multiply inside a living host
can undergo mutation inside a living host
are non-cellular
balanced
threshold
transitional
none of these
Replication
Mutation
Production of energy
Growth
prophage
vegephaege
cyanophage
phycophage
are colourless
have enzymes
have nucleic acids
none of these
viruses
bacteria
algae
fungi
Tobacco mosaic virus
Potato mosaic virus
Cauliflower mosaic virus
Tomato mosaic virus
living organisms
non-living organisms
a transitional group between living and non-living world
living organisms which have lost the power of multiplication
bacteriophage
coliphage
phytophage
zoophage
poison
secretion
cell
venom
multiply only in the host cytoplasm
are made up of proteins only
behave as if they were plants
occur only inside bacteria
mumps
cholera
typhoid
plague
RNA of the virus
DNA of the virus
RNA of the host
Ribosome of the host
Protein part of virus
Nucleic part of virus
Both (a) and (b)
None of these
1 nm
3 nm
6 nm
2 nm
Stanley
Iwanowiski
Twort
Herelle
Tobacco mosaic virus
Poxvirus
Potato spindle tuber virus
None of these
Early blight of potato
Late blight of potato
Leaf roll of potato
None of these
double stranded RNA
single stranded DNA
double stranded DNA
single stranded RNA
viruses
bacteria
fungi
none of these
vaccination against small pox
vaccination against chicken pox
immunization against small pox
immunization against chickcn pox
viruses
slimemoulds
fungi
bacterium
lysis
lysogeny
prophage
attenuated virus
a buch of genomes which are looking for a suitable host for replication
micro-organisms which contains DNA only
smallest micro-organisms causing disease
micro-organisms which contains RNA only
lesion
lysis
autolysis
haemolysis
D. Iwanowski
F.C. Bawden
W.M. Stanley
K.M.Smith