1. Quaternary ammonium compounds, which are widely used for skin antisepsis, are classified as:

Question 1 of 20

2. Best method of sterilizing disposable syringes:

Question 2 of 20

3. Phase contrast microscopy is based on

Question 3 of 20

4. Killer and Helper cells are part of:

Question 4 of 20

5. Most common virus implicated in Severe Acute Respiratory Syndrome (SARS) is

Question 5 of 20

6. Which cells listed below help to assist other T cells and B cells to express their immune functions?

Question 6 of 20

7. All of the following clinical features are associated with enteroviruses

Question 7 of 20

8. Successful immunization with a hepatitis B vaccine results in the development of serum antibodies to which of the following?

Question 8 of 20

9. Opacity around colonies of Clostridium perfringens is due to -

Question 9 of 20

10. A viremia is characterized by which of the following?

Question 10 of 20

11. J chain is seen in which immunoglobulin:

Question 11 of 20

12. Which of the following represents the BEST way to verity heat sterilization?

Question 12 of 20

13. All of the following statements concerning bacterial plaque are true, except:

Question 13 of 20

14. Staphylococci typically occurs in

Question 14 of 20

15. The exact part of the antigen that reacts with the immune system is called as

Question 15 of 20

16. Dimorphism in microorganisms is characterized by the capability to produce

Question 16 of 20

17. Characteristic feature of retiovirus is:

Question 17 of 20

18. A protoplast is best described as a bacterial cell

Question 18 of 20

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

Question 19 of 20

20. With reference to bacteriodes fragilis, the following statements are true except:

Question 20 of 20