Multiple choice Which of the following is a pair of catalase-positive bacteria? Enterobacter and Klebsiella Enterococcus and Streptococcus Enterobacter and Enterococcus Enterococcus and Klebsiella Klebsiella and Streptococcus Reveal answer Fill a bubble to check yourself B Correct answer Explanation Enterococcus and Streptococcus are examples of catalase-negative bacteria.