In plants, mosaic formation, leaf rolling and curling yellowing and vein clearing are the symptoms of
Viral diseases
Bacterial diseases
Protozoan diseases
Fungal diseases
Related Questions
Term ‘virus’ means
Cellular
Pathogen
Parasite
Venom or poisonous fluid
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
The association between blue-green algae and fungi occurs in
lichens
symbiosis
cannibism
mycorrhiza
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
T O Diener discovered a
Free infectious RNA
Free infectious DNA
Infectious protein
Bacteriophage
Outer covering of virus made up of protein is
Capsid
Coat
Virion
Viriod
Virion is a
Bacterium
Blue-green algae
Simple virus particle
None of these
Which of the following plant virus has DNA in it?
Tobacco mosaic virus
Potato mosaic virus
Tomato mosaic virus
Cauliflower mosaic virus
Viral genome incorporated into host DNA is called
Prophase
Prophage
Bacteriophage
None of these
How do viroids differ from viruses?
RNA without protein coat
DNA with protein coat
DNA without protein coat
RNA with protein coat
