Bacteria acquire characteristics by all of the following except___________________?

Related Mcqs:

1. Bacteria acquire characteristics by all the following except_______________?

   A. Through plasmids
   B. Incorporating part of host DNA
   C. Through bacteriophages
   D. Through conjugation

2. All of the following are true of maxillary artery except___________________?

   A. The branches of maxillary artery accompany the branches of maxillary nerve
   B. It is one of the terminal branches of ECA
   C. It passes deep between the two heads of lateral pterygoid muscle into the pterygo palatine fossa
   D. It is the arterial supply for mandible

3. Class III malocclussion is seen in all of the following except___________________?

   A. pierre robinson syndrome
   B. Cleft palate
   C. Cleidocranial dysplasia
   D. Craniofacial dysostosis

4. The Process of attenuation can be achieved by all except___________________?

   A. Growing bacteria in adverse environment
   B. Growing bacteria in unconventional host
   C. Serial passage in an experimental host
   D. Repeated cultures in artificial media

5. Which of the following characteristics of bacteria is not true?

   A. Unicellular
   B. Free living
   C. Having either DNA or RNA
   D. Cell wall containing muramic acid

6. Infants acquire adult hemoglobin level at_____________?

   A. Birth
   B. End of 1st year
   C. Puberty
   D. 4 years

7. Which of the following are non-spore forming anaerobic bacteria that asume major significance in disease processes________________?

   A. Bacteroides fragilis
   B. Fusobacterium nucleatum
   C. Peptostreptococcus anaerobius
   D. Actinomyces Israeli
   E. All of the above

8. Which regards to temperature requirement, most pathogenic bacteria are_____________?

   A. Psychrophiles
   B. Mesophiles
   C. Cryophiles
   D. Thermophiles

9. 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

10. Bacteria with potent exotoxin is_______________?

    A. Clostridium tetani
    B. Pseudomonas
    C. Shigella
    D. Klebsiella