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Microbiology - Identification of Bacteria

Exercise : Identification of Bacteria - Section 1
  • Identification of Bacteria - Section 1
6.
The primary stain of Gram's method is
safranin
phenolpthalene
crystal violet
methyl red
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
At what concentration of sulphuric acid, Nocardia resists decolourization?
0.5% sulphuric acid
5% sulphuric acid
10% sulphuric acid
8% sulphuric acid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Which of the following is commonly used as Gram's decolouriser?
Ethyl alcohol
Methyl alcohol
Acetone
A mixture of ethyl alcohol and acetone
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Production of acetoin can be detected by which of the following tests?
Citrate test
Voges-Proskauer test
Methyl red test
Indole test
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
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?
Indole test
Methyl red test
Citrate utilization test
Voges-Proskauer test
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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