Which of the following bacteria is classified as facultative anaerobe?: (A) Pseudomonas, (B) Bacteroides, (C) Escherichia, (D) Clostridium
Answer is C. Facultative anaerobes which are ordinarily aerobic but can also grow in the absence of oxygen though less abundantly. Most bacteria of medical impoance are facultative anaerobes Other anaerobic: Clostridium, refer the image Ref: Ananthanarayan & paniker's Textbook of Microbiology 9th edition pg no:24