antivirin
antigen
virion
interferon
D. interferon
living organisms
non-living organisms
a transitional group between living and non-living world
living organisms which have lost the power of multiplication
can grow inside a living host
can multiply inside a living host
can undergo mutation inside a living host
are non-cellular
an outer protein coat and a central core of DNA or RNA
outer RNA or DNA and a central core of proteins
only nucleic acids
only protein coats
virion
vira
viroid
none of these
viruses
bacteria
algae
fungi
lesion
lysis
autolysis
haemolysis
transformation
transduction
conjugation
candidiasis
RNA of the virus
DNA of the virus
RNA of the host
Ribosome of the host
Tobacco mosaic virus
Poxvirus
Potato spindle tuber virus
None of these
antivirin
antigen
virion
interferon
Protein part of virus
Nucleic part of virus
Both (a) and (b)
None of these
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
are colourless
have enzymes
have nucleic acids
none of these
Stanley
Iwanowiski
Twort
Herelle
poison
secretion
cell
venom
Early blight of potato
Late blight of potato
Leaf roll of potato
None of these
picornaviruses
binal viruses
riboviruses
none of these
lysis
lysogeny
prophage
attenuated virus
episome
mesosome
free DNA
T-phage
viruses
bacteria
fungi
none of these
mumps
cholera
typhoid
plague
D. Iwanowski
F.C. Bawden
W.M. Stanley
K.M.Smith
viruses
slimemoulds
fungi
bacterium
Safferman and Morris
Lederberg and Zinder
Smithv and Knight
None of these
plaque
phnge
streak
krnn/
bacteriophage
coliphage
phytophage
zoophage
vaccination against small pox
vaccination against chicken pox
immunization against small pox
immunization against chickcn pox
Replication
Mutation
Production of energy
Growth
DNA
RNA
both DNA and RNA
none of these
Tobacco mosaic virus
Potato mosaic virus
Cauliflower mosaic virus
Tomato mosaic virus