Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Methyl alcohol Acetone Ethyl alcohol A mixture of ethyl alcohol and acetone Methyl alcohol Acetone Ethyl alcohol A mixture of ethyl alcohol and acetone ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Purple Green Colourless Pink Purple Green Colourless Pink ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following shows a positive urease test? Both (a) and (b) Proteus Klebsiella None of these Both (a) and (b) Proteus Klebsiella None of these ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is a primary stain for acid fast staining of mycobacteria? Crystal violet Methylene blue Geimsa Carbol fuchsin Crystal violet Methylene blue Geimsa Carbol fuchsin ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria 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? Citrate utilization test Methyl red test Voges-Proskauer test Indole test Citrate utilization test Methyl red test Voges-Proskauer test Indole test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Indole test Methyl red test Voges-Proskauer test Citrate test Indole test Methyl red test Voges-Proskauer test Citrate test ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS