New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Which of the following microorganisms cannot tolerate

    oxygen?
    A Clostridium botulinum Correct Answer Incorrect Answer
    B Staphylococcus aureus Correct Answer Incorrect Answer
    C Penicillium roquefortii Correct Answer Incorrect Answer
    D E. coli Correct Answer Incorrect Answer

    Solution

    C. botulinum is an obligate anaerobe; oxygen inhibits its growth. S. aureus and E. coli are facultative, while P. roquefortii is aerobic. 

    Practice Next