NEET Botany Viruses & Viroids Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Dmitri Ivanowsky | (i) Infected plants extract |
| (b) M.W. Beijerinck | (ii) Contagium vivum fluidum |
| (c) W.M. Stanley | (iii) Crystallization of viruses |
| (d) Viroids | (iv) Infectious RNA |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iii, b-iv, c-ii, d-i
a-iv, b-iii, c-i, d-ii
Correct Answer
Detailed Explanation
Dmitri Ivanowsky recognized the causal organism of the mosaic disease in tobacco, which relates to infected plant extracts. M.W. Beijerinck named the fluid as Contagium vivum fluidum, and W.M. Stanley demonstrated the crystallization of viruses. Viroids are known to be infectious RNA.
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