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Identify the bacteria not found in human excreta that causes gastrointestinal diseases.(a) Staphylococcus aureus(b) Escherichia coli(c) Streptococcus faecalis(d) ShigellaThis question was posed to me in a job interview.Query is from Environmental Chemistry in chapter Environmental Chemistry of Chemistry – Class 11

Answer»

Right choice is (a) Staphylococcus aureus

Best explanation: Staphylococcus aureus is not found in HUMAN excreta. It is a round-shaped BACTERIUM that is a member of the Firmicutes. It is mainly found on the upper respiratory tract and/or on SKIN. But they can also spread through the BLOODSTREAM and INFECT distant organs. Infections caused due to this bacterium can be transferred through the air, skin contact, etc.



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