Question: Organ of locomotion in bacteria is________________?

• 1. Fimbria
• 2. Flagella
• 3. Capsule
• 4. Cell wall

Question: Endotoxin have all but one of the properties given below_______________?

• 1. Produced by gram negative bacteria
• 2. Produced by gram positive bacteria
• 3. Not secreted outside the cell
• 4. Cannot be toxoided

Question: Toxic shock syndrome is due to the following virulence factor_____________?

• 1. M protein
• 2. Pyrogenic exotoxin
• 3. Streptolysin 0
• 4. Carbohydrate cell wall

Question: The commonest method of detection of diptheria carriers is_______________?

• 1. Schick test
• 2. Dick test
• 3. Casoni’s test
• 4. Charles’ test

Question: The difference between gram positive and negative bacteria lies in their_______________?

• 1. cell wall
• 2. cell membrane
• 3. Nuclear material
• 4. Mesosomes

Question: The specific test for Treponema pallidum is___________?

• 1. VDRL
• 2. Kahn’s test
• 3. TPHA
• 4. Widal test

Question: All of the following are true of streptococcus except_____________?

• 1. It’s group of lactic acid production bacteria
• 2. Shows adherence to dental enamel
• 3. Most common in humans
• 4. Most common is animals

Question: Bacteria reproduce mainly by______________?

• 1. Budding
• 2. Binary fission
• 3. Sporing
• 4. Bacterial components produced by host cells

Question: An oxidase-positive, gram-negative rod which produces a bluish-green pigment has been grown in culture from a swab obtained from an infected burn wound. This organism is susceptible to gentamicin, ticarcillin and tobramicin, but resistant to all the other

• 1. Escherichia coli
• 2. Klebsiella pnemoniae
• 3. Proteus miribilis
• 4. Pseudomonas aeruginosa

Question: The causative organism of syphilis is___________?

• 1. Borrelia burgolorferi
• 2. Chalamydia trachomatis
• 3. Leptospira interrogans
• 4. Treponema pallidum