Identification of Bacteria Gram staining was developed accidentally in 1884 by Robert Gram Hans Christian Gram Alexander Fleming Joseph Christian Gram Robert Gram Hans Christian Gram Alexander Fleming Joseph Christian Gram ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Colourless Purple Pink Green Colourless Purple Pink Green ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Voges-Proskauer test Citrate test Methyl red test Indole test Voges-Proskauer test Citrate test Methyl red test Indole test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Acetone Methyl alcohol A mixture of ethyl alcohol and acetone Ethyl alcohol Acetone Methyl alcohol A mixture of ethyl alcohol and acetone Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following inference(s) indicate(s) the ability of an organism to utilize citrate as a sole source of carbon in Simmon's citrate medium? None of these Both (a) and (b) Appearance of growth Blue colour None of these Both (a) and (b) Appearance of growth Blue colour 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? Methyl red test Citrate utilization test Voges-Proskauer test Indole test Methyl red test Citrate utilization test Voges-Proskauer test Indole test ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS