The following are applicable to bacterial genoms except________________?

Related Mcqs:

1. Which of the following structures, found external to the bacterial cell wall, are involved in bacterial attachment to cell surfaces?

   A. Capsule
   B. Flagella
   C. Pili
   D. Mesosomes

2. 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

3. Chlamydia causes all of the following except________________?

   A. Trachoma
   B. Non-gonococcal urethritis
   C. Pneumonia
   D. Parotitis

4. Each of the following can cause food poisoning except________________?

   A. Cl. difficile
   B. Staphylococcus
   C. Cl. welchii
   D. Cl. botulinum

5. A diabetic patient developed cellulitis due to staphylococcus aureus, which was found to be Methicillin resistant on the antibiotic sensitivity testing. All of the following antibiotics will be appropriate EXCEPT________________?

   A. Vancomycin
   B. Imipenem
   C. Teichoplanin
   D. Linezolid

6. 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

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

   A. Capsule
   B. Fimbria
   C. Flagella
   D. None of the above

8. Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?

   A. Cocci
   B. Spirochetes
   C. Bacteriophages
   D. Filamentous rods

9. Subacute bacterial endocarditis is caused by_____________?

   A. Streptococcus viridans
   B. Haemolytic streptococci
   C. Staphylococcus aureus
   D. Nisseria

10. Bacterial species which is protective or beneficial to the host is_______________?

    A. Streptococcus sanguis
    B. Porphyromonas gingivalis
    C. Treponema denticola
    D. Spirochetes