From which micro-organism streptomycin is prepared?
A
Streptomyces venezuelan
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B
Streptomyces griseus
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C
Streptomyces fradiae
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D
All of the above
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Solution
The correct option is BStreptomyces griseus Streptomycin is an antibiotic (antimycobacterial) drug. It was the first effective treatment for tuberculosis. It is derived from the actinobacterium Streptomyces griseus. Streptomycin is a bactericidal antibiotic.