Question

Tobacco mosaic virus was crystallised for the first time by ____________.

• A. Edward Jenner
• B. Louis Pasteur
• C. Andre Lwoff
• D. W.N. Stanley

Answer 1

The correct option is D W.N. Stanley

• Tobacco mosaic virus is a positive-sense single-stranded RNA virus that infects tobacco and other members of the family Solanaceae.
• Tobacco mosaic virus was the first virus to be crystallized. It was achieved by Wendell Meredith Stanley in 1935.
• TMV crystalization also showed that TMV remains active even after crystallization.
• For his work, he was awarded the Nobel Prize in Chemistry in 1946. So the correct answer is 'W.N. Stanley'.

So, the correct answer is (D).