A. Gram’s staining
B. Fontana’s staining
C. India ink preparation
D. Zheil-Neilson’s staining
Related Mcqs:
- Negative staining is used to demonstrate________________?
A. Bacterial spore
B. Bacterial Flagella
C. Bacterial capsule
D. Bacterial fimbriae - For uniform staining reaction, morphology and biochemical activity it is advisable to study bacterial cultures during the_____________?
A. Lag phase
B. Death phase
C. Stationary phase
D. Logarithmic phase - Silver impregnation method of staining is useful to demonstrate_____________?
A. Bacterial flagella
B. Spirochetes
C. Both of the above
D. None of the above - A cerebrospinal fluid of a 2 years old child has been sent to the laboratory to detect the presence of capsulated yeast. The staining technique most commonly employed for the purpose is______________?
A. India ink preparation
B. Methanamine silver stain
C. Ziehl-Neelsen stain
D. Pyte-ferraco stain - Osteoblasts appear basic gram staining due to______________?
A. Increased ribonucleic acid
B. Acidic ground substance
C. Increased mitochondria
D. Presence of basic ground substance - 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 antibiotics which of the following organisms is it likely to be ?
A. Escherichia coli
B. Klebsiella pnemoniae
C. Proteus miribilis
D. Pseudomonas aeruginosa - A veterinary doctor had pyrexia of unknown origin His blood culture in special laboratory media was positive for gram negative short bacilli which was oxidase positive. Which one of the following is the likely organism grown in culture ?
A. Pasturella spp
B. Francisella spp
C. Bartonella spp
D. Brucella spp - Negative phase is seen in ________ immunity?
A. Active
B. Passive
C. Herd
D. Local - Which of the following methods is adopted for screening HIV infection ?
A. Virus isolation
B. Western blot followed by ELISA
C. ELISA followed by western blot technique
D. Polymers chain reaction - Which of the following penicillins has the best gram negative spectrum ?
A. Methicillin
B. Ampicillin
C. Penicillin V
D. Cefixime
