<prompt> Which of the following is catalase positive?Staph epidermidisEnterococcusStreptococcusPneumococcus  <response>: Catalase test is used mainly to differentiate between StaphylococcusCatalase positive and Streptococcus Catalase negative. ve Catalase test Bubble formation due to release of nascent O2 from H2O2 by Catalse enzyme in the colony Catalase positive organisms Staphylococcus Pseudomonas aeruginosa Aspergillus fumigatus Candida Enterobacteriaceae except Shigella dysentry type 1 