Medical MCQ-Daisy head appearance of colonies of Corynebacterium diphtheria on blood tellurite agar is shown by

Daisy head appearance of colonies of Corynebacterium diphtheria on blood tellurite agar is shown by

Gravis biotype

Intermedius biotype

Mitis biotype

None of the above

Question Category:

Microbiology

Correct Answer:

Gravis biotype

Description:

Mcleod's classification - Based on colony morphology on Tellurite medium and propeies like biochemical reactions and severity of disease, Three distinct cultural types aremitis,intermedius, andgravis GRAVIS INTERMEDIUS MITIS Colony on tellurite blood agar daisy head colony frog's egg colony poached egg colony

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