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Biological Classification — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBiological Classification1 Mark
MCQ
Who discovered virus?
  • A
    Miller
  • B
    Ivanovsky
  • C
    Herelle
  • D
    Mendel
✓

Answer

  1. Ivanovsky

Explanation:

Dmitri Ivanovsky reported in 1892 that sap from a diseased tobacco plant remained infectious to healthy tobacco plants despite having been filtered.

Then, in 1898, Martinus Beijerinck called the filtered, infectious substance a virus. 

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