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
A. an outer protein coat and a central core of DNA or RNA
mumps
cholera
typhoid
plague
Replication
Mutation
Production of energy
Growth
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
Smith
Temin
Twort
Mayer
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
can grow inside a living host
can multiply inside a living host
can undergo mutation inside a living host
are non-cellular
episome
mesosome
free DNA
T-phage
vaccination against small pox
vaccination against chicken pox
immunization against small pox
immunization against chickcn pox
RNA of the virus
DNA of the virus
RNA of the host
Ribosome of the host
poison
secretion
cell
venom
plaque
phnge
streak
krnn/
balanced
threshold
transitional
none of these
antivirin
antigen
virion
interferon
Tobacco mosaic virus
Poxvirus
Potato spindle tuber virus
None of these
Protein part of virus
Nucleic part of virus
Both (a) and (b)
None of these
lesion
lysis
autolysis
haemolysis
lysis
lysogeny
prophage
attenuated virus
DNA
RNA
both DNA and RNA
none of these
DNA
RNA
DNA and RNA
None of these
prophage
vegephaege
cyanophage
phycophage
Early blight of potato
Late blight of potato
Leaf roll of potato
None of these
viruses
bacteria
fungi
none of these
bacteriophage
coliphage
phytophage
zoophage
transformation
transduction
conjugation
candidiasis
virion
vira
viroid
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
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
Safferman and Morris
Lederberg and Zinder
Smithv and Knight
None of these
1 nm
3 nm
6 nm
2 nm