Question

write a note on discovery of virusses​

Answer 1

Answer:

Two scientists contributed to the discovery of the first virus, Tobacco mosaic virus. Ivanoski reported in 1892 that extracts from infected leaves were still infectious after filtration through a Chamberland filter-candle. Bacteria are retained by such filters, a new world was discovered: filterable pathogens.

i am happy to help you

THANKS.....

please follow me...

then I follow u...

Answer 2

Answer:

The first evidence of the existence of virus came from experiment filter that had pores small enough to retain bacteria in 1892 Dimitri ivanovsky used one of those filters to show that sap from a diseased tobbaco plant remained infections to healthy tobacco plants despective have been filtered