Statement –I :When Griffith. injected a mixture of heat killed S strain and fresh nonvirulent R strain the mice died.
Statement –II : In Griffith experiment the heat killed S strain acquired transforming principle from R strain and transformed into live virulent strain.

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Statement I is false, Statement II is true

Statement I is true, Statement II is true

Statement I is false, Statement II is false

Statement I is true, Statement II is false

answer is C.

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Detailed Solution

Griffith concluded by conducted the experiments on Streptococcus he concluded that the R-strain bacteria had been transformed by the heat killed S-strain bacteria. Some trasfroming principle transferred from the heat killed S-strain had enabled the R-strain to synthesis a smooth polysaccharide coat and become virulent.

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