MP Board · Class 11 · Biology · Biological ClassificationViroids were discovered in 1971 by:
📊Student Analytics & Stats
Total Attempts: 8
Accuracy Rate: 37.5%
Step-by-Step Solution
T.O. Diener discovered viroids in 1971. He found them to be a new infectious agent that was smaller than viruses and caused potato spindle tuber disease, consisting of free low molecular weight RNA without a protein coat.
Detailed Options Breakdown
Option : W.M. Stanley
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biological Classification.
Option 1: T.O. Diener (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: D.J. Ivanowsky
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biological Classification.
Option 3: M.W. Beijerinck
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biological Classification.
💡 Study Guide: This question tests core syllabus concepts from Biological Classification. For formulas, key summaries, and mock exam reference guides, read the full Biological Classification Revision Notes.