Home Biology Biological Classification Viruses, Viroids, Prions, Lichens and Mycorrhiza T.O. Diener discovered a/an
Biology Biological Classification Viruses, Viroids, Prions, Lichens and Mycorrhiza Single Correct MCQ
Published on: August 21, 2026

T.O. Diener discovered a/an

A
Free infectious DNA
B
Infectious protein
C
Bacteriophage
D
Free infectious RNA

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Text Solution

Verified by Experts
The correct answer is:
D

Theodor Otto Diener discovered viroids, which are small infectious RNA molecules without a protein coat. They are considered “free infectious RNA” and are smaller than viruses.

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