Class 12 · Molecular Basis of Inheritance

Griffith's Transformation Experiment — NEET Biology

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In 1928, Frederick Griffith, in a series of experiments with Streptococcus pneumoniae (bacterium responsible for pneumonia), witnessed a miraculous transformation in the bacteria. During the course of his experiment, a living organism (bacteria) had changed in physical form.

NCERT Biology · Class 12 · Chapter 5 · Paragraph 25
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Who first demonstrated the phenomenon of transformation?

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Correct answer: B Griffith

Griffith’s 1928 experiment on Streptococcus pneumoniae showed transformation.

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What does NCERT say about 1928 Frederick Griffith series?
In 1928, Frederick Griffith, in a series of experiments with Streptococcus pneumoniae (bacterium responsible for pneumonia), witnessed a miraculous transformation in the bacteria. During the course of his experiment, a living organism (bacteria) had changed in physical form.
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Molecular Basis of Inheritance, Class 12 NCERT Biology.

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