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Who proved that viruses are crystalline like structures?(a) W M Stanley(b) Ivanowsky(c) M W Beijerinek(d) LavoisierThis question was posed to me in an online quiz.My question is taken from Biological Classification topic in portion Biological Classification of Biology – Class 11

Answer»

Correct OPTION is (b) IVANOWSKY

The explanation is: Ivanowsky discovered viruses as micro-organisms on tobacco plant and are smaller than bacterium. Later M W Beijerinek TERMED them as “Viruses” which means venom or POISON. W M Stanley for the first time proved that viruses are crystalline like structures and these crystals are made of protein RICH sheaths.



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