Identification of Bacteria What is the colour of gram -postive bacteria on a gram staining? Green Pink Colourless Purple Green Pink Colourless Purple ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The gram-negative organisms is Clostridium None of these Actinomyces Bacillus Clostridium None of these Actinomyces Bacillus ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Methyl alcohol A mixture of ethyl alcohol and acetone Acetone Ethyl alcohol Methyl alcohol A mixture of ethyl alcohol and acetone Acetone Ethyl alcohol 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 Indole test Voges-Proskauer test Citrate utilization test Methyl red test Indole test Voges-Proskauer test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is a substitute for crystal violet used in gram-staining procedure? Methylene blue Bromocresol green Phenolpthalene Safranin Methylene blue Bromocresol green Phenolpthalene Safranin ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Voges-Proskauer test Methyl red test Citrate test Indole test Voges-Proskauer test Methyl red test Citrate test Indole test ANSWER DOWNLOAD EXAMIANS APP
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