Pseudomonas maltophilia is a fluorescent species.

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

Which of the following are important plant pathogens?

What is the color of the pigment xanthomonadin?

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

Agrobacterium also fixes atmospheric nitrogen.

Methylococcus and Methylomonas are all _______________ methane-oxidizers.

Which of the following have peritrichous flagella?

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

Which of the following organism causes whooping cough in humans?

The cell diameter of bacteria belonging to family Enterobacteriaceae is ____________

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

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

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

The family Vibrionaceae is _________________

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

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

Which of the following genus of bacteria do not have a fermentative type of metabolism?

Which of the following possess peritrichous flagella?

The violet pigement, violacein, is produced by which of the following bacterial genus?

Which of the following infect arthropods only?