1. Phenol Coefficient test for testing the efficacy of disinfectants in the presence of organic matter is

Question 1 of 20

2. With reference to Bacteroides fragilis, all of the following statements are true except

Question 2 of 20

3. A protoplast is best described as a bacterial cell

Question 3 of 20

4. Immunoglobulin bound on the surface of bacteria mediates phagocytosis by (Phagocytosis causes complement activation by)-

Question 4 of 20

5. Zero growth rate is observed during one of the phases of the bacterial growth curve:

Question 5 of 20

6. The medium of choice for growing most fungi is

Question 6 of 20

7. Pleoniorphic' shape of bacteria signifies:

Question 7 of 20

8. In Which of the following organs or tissues are ascending infections common?

Question 8 of 20

9. Portion of Immunoglobulin molecule with molecular weight of 50000:

Question 9 of 20

10. A 10-year old child presented with severe sore throat and a grey psueudomembrane over pharynx and tonsils. The organism causing this infection is most likely -

Question 10 of 20

11. IL-1 and TNF - ? during Inflammation are secreted by

Question 11 of 20

12. Method of sterilization for fibreoptic laryngoscope:

Question 12 of 20

13. Virulence in gram negative bacteria is due to

Question 13 of 20

14. Which of the following bacterial exotoxins converts plasminogen to plasmin?

Question 14 of 20

15. Germ tubes are formed mainly by

Question 15 of 20

16. Not used in leptospirosis -

Question 16 of 20

17. Group A ?-hemotytic streptococcal infection of the pharynx may be followed in some by:

Question 17 of 20

18. Endoscopes are sterilized by using:

Question 18 of 20

19. The culture from pustular lesion showed haemolytic gram-positive cocci. Provisional diagnosis of Group A streptococcal pyoderma can be done by

Question 19 of 20

20. Delayed tuberculin test response is due to

Question 20 of 20