One of the following bacteria is nonchromogenic: a. Pseudomonas aeruginosa b. Pseudomonas fluorescens c. Helicobacter pylori d. Stenotrophomonas hydrophila.
Understand the Problem
The question is asking to identify which of the listed bacteria is classified as nonchromogenic.
Answer
Helicobacter pylori
The final answer is Helicobacter pylori.
Answer for screen readers
The final answer is Helicobacter pylori.
More Information
Helicobacter pylori is nonchromogenic, meaning it does not produce pigments, unlike other options such as Pseudomonas aeruginosa and Pseudomonas fluorescens, which are known for pigment production.
Tips
A common mistake is to choose bacteria known for their colorful pigments, such as Pseudomonas species.
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