Question

Who discovered viroids?

• A. T.O. Diener
• B. Alexander Flemming
• C. W.M. Stanley
• D. Robert Hooke

Answer 1

Answer:

A. T.O. Diener

T.O. Diener discovered viroids in 1971. He found that these infectious agents are smaller than viruses and are the main cause for potato spindle tuber disease.