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Assertion : In transforming principle, when streptococus pneumoniae (Pneumococcus) bacteria are grown on a culture plate, some produce smooth shiny colonies (S) while other produce rough colonies (R). Reason : S strain bacteria have a mucous (polysaccharide) coat, while R strain does not.A. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false. |
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Answer» Correct Answer - A `**` When Streptococcus pneumoniae (pneumococcus) bacteria are grown on a culture plate, some produce smooth shiny colonies (S) while others produce rough colonies (R). `**` This is because the S strain bacteria have a mucous (polysaccharide) coat, while R strain does not. |
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