Viroids differ from viruses in that they lack:
A protein coat
Genetic material
Infectivity
The ability to replicate
Related Questions
Which statement is incorrect?
Plant virus contains RNA
Animal virus contains DNA
T_4 contains dsDNA
TMV contains dsRNA
Organisms having either peptide Bonds or phosphodiester Bonds but not Both
I) Viroids II) Viruses III) Prions IV) Bacteria
I, II
III, IV
II, III
I, III
Certain infectious particles lack nucleic acids yet cause diseases. Which of the following correctly describes the infectious agent and a disease it causes?
Viroids; Potato spindle tuber disease
Prions; Creutzfeldt-Jakob disease
Viruses; Tobacco mosaic disease
Lichens; Athlete's foot
Find out the correct statement
20°C is equal to 68°F
20°C is equal to 70°F
20°C is equal to 60°F
20°C is equal to 72°F
Viroids differ from viruses in having
Naked RNA molecules only
Naked DNA molecules only
Naked DNA packed with viral genome
Satellite RNA packed with viral genome
Viruses did not find a place in classification since
They are not truely living
They are non-cellular
They are obligate parasite
They are pathogenic
Enzymes are absent in
Algae
Plants
Virus
Bacteria
Which of the following plant virus has DNA in it?
Tobacco mosaic virus
Potato mosaic virus
Tomato mosaic virus
Cauliflower mosaic virus
Which is correct?
RNA is genetic material of bacteria
RNA is genetic material of all virus
DNA is genetic material of some organism
Some virus has RNA as genetic material
Which characteristic distinguishes viroids from viruses?
Presence of RNA
Ability to infect plants
Lack of a protein coat
Small size
