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Join Our Telegram Group:- GroveStudies   VIRUS ,VIROIDS PRIONS AND LICHENS In the five kingdom classification of whittaker there is known as mention of lichen and some a cellular organisms virus,viroids and prions. The virus are non cellular organisms that are characterized by having an in insert crystalline structure outside the living cell. The name virus that means venom or poisonous fluid was given by of the the Dimitri Ivanocosky 1892 recognise certain microbes as casual organisms of the the mosaic disease of tobacco. These were found to be smaller than bacteria because they are passed through bacteria proof filter. M.W. Beijerinek 1898 demonstrated that the the extract of the infected plants of tobacco could cause infection in healthy plants and called the fluids of contagium vivum fluidum (infectious living fluids).  W.M. Stanley 1935 show that virus could be crystalline and crystals consists lajari of proteins. • virus are obligate parasite. • viruses are contains genetic mate

Join Our Telegram :-.  GroveStudies          KINGDOM PROTISTA * all single celled eukaryotic are place under protista. * Chrysophytes, dinoflagellates, euglenoids , slime moulds, and protozoa under protista. * Member of protista primarily aquatic. * The Kingdom from a link with the others dealing with plants, animals and fungi.             CHRYSOPHYTES * the group include diatoms and golden algae (dismids). * Microscope and float passively in water current (plankton). * The diatoms the cell walls from the two thin overlapping shells, which fit together as in a shop box. * Accumulation over billions of year is referred to as "diatomaceous Earth".  * Being gritty this soil is used in polishing filtration of soil and syrups. * Are the chief production in the oceans.         DINOFLAGELLATES  Marine and photosynthetic.  * The cell wall has stiff cellulose plates on the outer surface. * Two flagella one lies longitudinally and the other transversely enough Arrow between the wall p