1. Physical sterilization was discovered by:

Question 1 of 20

2. Antibiotic sensitivity and resistance of microorganisms is determined by

Question 2 of 20

3. Endotoxins have all but one of the properties given below:

Question 3 of 20

4. Which of the following enzyme is required to induce the formation of a plasma clot by pathogenic staphylococci

Question 4 of 20

5. Acute otitis media in children is most commonly due to:

Question 5 of 20

6. Bacteria acquire characteristics by all of the following except

Question 6 of 20

7. Infective dose of Salmonella Typhi is:

Question 7 of 20

8. With reference to Bacteroides fragilis the following statement are true except?

Question 8 of 20

9. All of the following statements about Pathogenesis of clostridium difficile associated pseudomembranous enterocolitis are true, except

Question 9 of 20

10. Synthesis of antibodies in plasma cells occurs In:

Question 10 of 20

11. Group A streptococci is best diagnosed by -

Question 11 of 20

12. The mechanism by which most fungi cause disease

Question 12 of 20

13. Kolmer test is a screening test done for

Question 13 of 20

14. Hepatitis E virus causes which of the following:

Question 14 of 20

15. A patient states that he immediately begins wheezing and has difficulty breathing when exposed to penicillin Which of the following dosses of antibodies is responsible for the difficulty in breathing?

Question 15 of 20

16. Irradiation can be used to sterilize A/E -

Question 16 of 20

17. Phase contrast microscopy is based on principle of

Question 17 of 20

18. Which of the following are used in protective vaccines because they retain their antigenicity but have lost their toxicity?

Question 18 of 20

19. Streptococcus mutans can be distinguished from other streptococci by

Question 19 of 20

20. Diagnostic of Rabies -

Question 20 of 20