Question

Which of the following is true about the catalase test when used to differentiate between streptococci and staphylococci?

• A. Streptococci are catalase-positive, and staphylococci are catalase-negative.
• B. Staphylococci are catalase-positive, and streptococci are catalase-negative.
• C. Both staphylococci and streptococci are catalase-positive.
• D. Both staphylococci and streptococci are catalase-negative.

Hint:

Remember the classic diagnostic differentiation rule:
- Staphylococcus = Catalase-Positive (bubbles form)
- Streptococcus = Catalase-Negative (no bubbles)

Answer 1

The Correct Option is B