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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Q. Which of the following organism causes whooping cough in humans?

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Q. The cell diameter of bacteria belonging to family Enterobacteriaceae is ____________

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Q. What is the cell shape of the organisms belonging to the family Enterobacteriaceae?

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Q. Enterobacteriaceae possesses endoflagella.

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Q. Which of the following genus of bacteria causes gastroenteritis in humans?

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Q. Enterobacter sp. gives negative result for Voges-Proskauer test.

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Q. Which of the following genus of bacteria under the family Enterobacteriaceae is mainly associated with plants?

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Q. Which of the following is the causative agent of plague?

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Q. The family Vibrionaceae is _________________

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Q. Which of the following genus shows the characteristic of bioluminescence?

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Q. Among the given families, which family contains organisms that are non-motile?

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Q. The X factor and/or the V factor is required by which genus of bacteria?

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Q. Bacteria belonging to the family Bacteriodaceae uses which of the following compounds as electron acceptors?

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