Q. Spirochetes like other bacteria swim best in media of low viscosity.

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Q. Which of the following methods is used for viewing spirochetes?

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Q. The family Leptospiraceae are aerobes.

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Q. Which among the following are microaerophilic bacteria?

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Q. Which of the following bacteria causes syphilis in humans?

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Q. Which of the following have bipolar tufts of flagella?

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Q. Which of the following causes diarrhea in humans?

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Q. Which genus among the following has certain similarities to the genus Bdellovibrio?

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Q. Which group of bacteria among the following give a positive reaction by the oxidase test?

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Q. Pseudomonas bacteria uses which of the following as an electron acceptor for anaerobic respiration?

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Q. Pseudomonas maltophilia is a fluorescent species.

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Q. Pyocyanin, a blue water-soluble pigment is produced by which of the following pseudomonads?

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Q. Which of the following are important plant pathogens?

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Q. What is the color of the pigment xanthomonadin?

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Q. Which of the following is an important characteristic of bacteria belonging to Zoogloea?

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Q. Which of the following family of bacteria fix nitrogen under aerobic conditions?

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Q. Agrobacterium also fixes atmospheric nitrogen.

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Q. Methylococcus and Methylomonas are all _______________ methane-oxidizers.

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Q. Which of the following have peritrichous flagella?

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Q. Bacteria belonging to the genus Legionella contains which of the following amino acid?

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