Select the wrong statement

Biology Biological Classification Previous Year Questions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

W.M. Stanley showed that viruses could be crystallized

The term ‘ contagium vivum fluidum ’ was coined by M.W. Beijerinck

Mosaic disease in tobacco and AIDS in human being are caused by viruses

The viroids were discovered by D.J. Ivanowski

Text Solution

Verified by Experts

The correct answer is:

This is wrong because:

• D.J. Ivanowsky discovered the filterable nature of viruses (tobacco mosaic virus), not viroids.

• Viroids were discovered by T.O. Diener.

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