Tobacco mosaic virus
Potato mosaic virus
Cauliflower mosaic virus
Tomato mosaic virus
C. Cauliflower mosaic virus
Tobacco mosaic virus
Poxvirus
Potato spindle tuber virus
None of these
double stranded RNA
single stranded DNA
double stranded DNA
single stranded RNA
virion
vira
viroid
none of these
Tobacco mosaic virus
Potato mosaic virus
Cauliflower mosaic virus
Tomato mosaic virus
they kill all bacteria which form host of viruses
viruses have no metabolism of their own
viruses form endospores
viruses are too small in size
viruses
bacteria
fungi
none of these
multiply only in the host cytoplasm
are made up of proteins only
behave as if they were plants
occur only inside bacteria
antivirin
antigen
virion
interferon
plaque
phnge
streak
krnn/
RNA
DNA
DNA and RNA
none of these
Smith
Temin
Twort
Mayer
Replication
Mutation
Production of energy
Growth
balanced
threshold
transitional
none of these
DNA
RNA
both DNA and RNA
none of these
viruses
slimemoulds
fungi
bacterium
D. Iwanowski
F.C. Bawden
W.M. Stanley
K.M.Smith
living organisms
non-living organisms
a transitional group between living and non-living world
living organisms which have lost the power of multiplication
picornaviruses
binal viruses
riboviruses
none of these
Protein part of virus
Nucleic part of virus
Both (a) and (b)
None of these
Safferman and Morris
Lederberg and Zinder
Smithv and Knight
None of these
Early blight of potato
Late blight of potato
Leaf roll of potato
None of these
transformation
transduction
conjugation
candidiasis
poison
secretion
cell
venom
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
Stanley
Iwanowiski
Twort
Herelle
mumps
cholera
typhoid
plague
vaccination against small pox
vaccination against chicken pox
immunization against small pox
immunization against chickcn pox
prophage
vegephaege
cyanophage
phycophage
RNA of the virus
DNA of the virus
RNA of the host
Ribosome of the host