BotanyWhich of the following scientist’s contributions to viruses is correctly matched?I. M.W. Beijerinek demonstrated that the extract of the infected plants of tobacco mosaic could cause infection in healthy plants and called the fluid as contagium vivum fluidum (infectious living fluid).II. W.M. Stanley showed that viruses could be crystallized and crystals consist largely of proteins.III. The name virus that means venom or poisonous fluid was given by Diener.

Which of the following scientist’s contributions to viruses is correctly matched?
I. M.W. Beijerinek demonstrated that the extract of the infected plants of tobacco mosaic could cause infection in healthy plants and called the fluid as contagium vivum fluidum (infectious living fluid).
II. W.M. Stanley showed that viruses could be crystallized and crystals consist largely of proteins.
III. The name virus that means venom or poisonous fluid was given by Diener.

A
I and II
B
I and III
C
II and III
D
I, II and III

Solution:

M.W. Beijerinek (1898) demonstrated that the extract of the infected plants of tobacco could cause infection in healthy plants and called the fluid as Contagium vivum fluidum (infectious living fluid).
W.M. Stanley (1935) showed that viruses could be crystallised and crystals consist largely of proteins.
The name virus that means venom or poisonous fluid was given by Pastuer.