Which characteristic distinguishes viroids from viruses?
Presence of RNA
Ability to infect plants
Lack of a protein coat
Small size
Related Questions
Which of the following would appear as the pioneer organisms on bare rocks?
Lichens
Liverworts
Mosses
Green algae
The genome of bacteriophage can be
Only double-stranded DNA
Single- or double-stranded DNA or RNA
Only single-stranded RNA
Only double-stranded RNA
RNA is not found in one of the following organisms
TMV
HIV
Viroids
Prions
Tobacco mosaic virus is a tubular filament of size
300 × 20 nm
700 × 30 nm
300 × 10 nm
300 × 5 nm
Which characteristic allows lichens to thrive as pioneer species on bare rock?
Secretion of rock-dissolving acids
Deep root systems
Tolerance to shade
Dependence on organic matter
Which statement is incorrect?
Plant virus contains RNA
Animal virus contains DNA
T_4 contains dsDNA
TMV contains dsRNA
The agents which are known to cause CJD are
Protein particles
A class of bacteria
A class of viruses
Fungi
Contagium vivum fluidum concept of virus was proposed by
DJ lvanowsky
MW Beijerinck
Stanley
Robert Hooke
Prions differ from viroids as the former has/is
DNA as genetic material
Low molecular weight RNA
Proteinaceous in nature
Obligate parasite
Which one of the following does not grow in artificial media?
TMV
Bacteria
Yeast
Rhizopus
