Which of the following is NOT a characteristic of a virus?
Presence of genetic material
Ability to replicate inside a host cell
Independent metabolism
Non-cellular organization
Related Questions
The viruses are non cellular organisms that are charactarised by
Absence of Nucleic acid
An active structure outside the living cell
An inert crystalline structure outside the cell
Their hyper activity outside the cell
Which characteristic distinguishes viroids from viruses?
Presence of RNA
Ability to infect plants
Lack of a protein coat
Small size
I. DJ Ivanowsky (1892) recognised certain microbes as causal organisms of the mosaic disease of tobacco
II. MW Beijerinck (1898) demonstrated that the extract of infected plants of tobacco could cause infection in healthy plants and called the fluid as contagium vivum fluidum
III. WM Stanley (1935) showed that these microbes could be crystallised and crystals consist largely of protein
The above statements are assigned to
Bacteria
Virus
Prions
Lichens
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
Statement 1: Viruses cause diseases and replicate when they are in the host.Statement 2: Viruses do not replicate outside the host, but they remain alive.
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
Statement 1 is True, Statement 2 is False
Statement 1 is False, Statement 2 is True
RNA is not found in one of the following organisms
TMV
HIV
Viroids
Prions
Viruses have
Living characteristics
Non-living characteristics
Both living and non-living characteristics
Parasitic characteristics
Enzymes are absent in?
Algae
Fungi
BGA
Virus
Which statement is incorrect?
Plant virus contains RNA
Animal virus contains DNA
T_4 contains dsDNA
TMV contains dsRNA
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
