Questions 47

Which is the catalase negative bacteria

The process of Gram staining is based on the ability of bacterial cell wall

What is the order of reagents used in the Gram stain?

What is the colour of gram-negative bacteria on a gram staining?

What is the colour of gram -postive bacteria on a gram staining?

The production of sufficient acid by fermentation of glucose leads to decrease in pH such that pH of the medium falls below 4.5. Which of the following test can detect it?

The primary stain of Gram's method is