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

Question: Which stage of plasmodium vivax is infective to mosquito______________?

• 1. Sporozoite
• 2. Gametocyte
• 3. Merozoite
• 4. Zygote

Question: Schuffner’s dots are seen in infection due to_______________?

• 1. Plasmodium falciparum
• 2. Plasmodium vivax
• 3. Plasmodium malariae
• 4. Plasmodium ovale

Question: A 30 years old patient developed high fever of sudden onset. Peripheral blood smear showed cresent shaped gametocytes. Malaria pigment was dark brown in colour Which of the following malarial parasites is the causative agent ?

• 1. Plasmodium vivax
• 2. Plasmodium malaria
• 3. Plasmodium falciparum
• 4. Plasmodium ovale

Question: Commonest site of extra intestinal amoebiasis is___________________?

• 1. Brain
• 2. Liver
• 3. Spleen
• 4. Lungs