SSC MTS EXAM

Detailed explanation-1: -Solution: The name virus that means venom or poisonous fluid was given by Pasteur.

Detailed explanation-2: -The viral particles are inert outside the host cells and in a cell-free environment, they are called virions. So, the correct answer is ‘Pasteur’.

Detailed explanation-3: -D.J. Ivanowskyin 1892 first discovered viruses by using filters.

Detailed explanation-4: -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.