what is the difference between a virus and a viroid class 11

1.	what is the difference between a virus and a viroid class 11
Answer» Virus:- -- virus is a Greek word which means "Poision".-- this tern was given by Ivanowsky .-- the first discovered virus is Tobbaco Mosaic Virus (TMV- Plant Virus)-- Stanley Millar Cristlaized (1935)-- Bijjerimk called " Contagium Vivum Fluidum " .-- virus are acellular, microscopic (smaller than bacteria) organism .-- virus are commenting link between living and non-living.- they are made up of (Nucleo Protein) (1) nuclic acid either DNA or RNA (2) protein coat capsomere .-- they are inert / inactive / non-living outside the cell .-- virus are nucleo protein.-- Virus may affect any living cell .-- virus are obligate parasite-- these are in haxagonal shape .Viroids:- --Discovered by T.O. Dinner(1971)-- smaller than virus .-- they are only infactious nuclic acid-- proteins are absent-- low molecular weight than virus

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