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In initial stages of tyhoid, salmonella can be detected in________________?

  • (A)  Feacus
  • (B)  Urine
  • (C)  Blood
  • (D)  All of the above
Submitted By :Ali Uppal


Signs of tyhoid fever is/are_____________________?

  • (A)  Haemorrhage
  • (B)  perforation
  • (C)  Osteomyelitis
  • (D)  All of the above
Submitted By :Ali Uppal


The structure in involved in bacterial attachment to cell surface is_______________?

  • (A)  Capsule
  • (B)  Fimbria
  • (C)  Flagella
  • (D)  None of the above
Submitted By :Ali Uppal


Submitted By :Ali Uppal


The following are applicable to bacterial genoms except________________?

  • (A)  It is composed of DNA
  • (B)  It doe not contain histones
  • (C)  It is circular
  • (D)  Its DNA has both introns and extrons
Submitted By :Ali Uppal


Each of the following can cause food poisoning except________________?

  • (A)  Cl. difficile
  • (B)  Staphylococcus
  • (C)  Cl. welchii
  • (D)  Cl. botulinum
Submitted By :Ali Uppal


The bacterial cell wall has all of the following properties except______________?

  • (A)  It consists of a mixed polymer called peptidoglycon
  • (B)  It is the structure principally responsible for the reaction of gram staining
  • (C)  It is a unique flexible plastic structure
  • (D)  It contains D-isomers of amino acids
Submitted By :Ali Uppal


Anaerobic bacteria grow_______________?

  • (A)  in the presence of oxygen
  • (B)  in the presence of nitrogen
  • (C)  in the absence of oxygen
  • (D)  differential media
Submitted By :Ali Uppal


Leptospirosis, all are true except______________?

  • (A)  Faeces & urine of rodents is the cause
  • (B)  Onset of IgM in 2 days
  • (C)  Incubation period is 10 days
  • (D)  It is sensitive to penicillin
Submitted By :Ali Uppal


All are true about widel test except________________________?

  • (A)  Base lines differ depending on the endemicity of the disease
  • (B)  O antibodiest last longer and hence is not indicative of recent infection
  • (C)  H antigen cannot differentiate between subtypes
  • (D)  High titre value in a single widal test is not confirmative
Submitted By :Ali Uppal