1. T lymphocytes are MOST directly involved in which of the following?

Question 1 of 20

2. H. pylori infection is seen in all except:

Question 2 of 20

3. Which of the following is true about staining?

Question 3 of 20

4. Gram -ve bacteria stain during gram staining:

Question 4 of 20

5. Varicella Zoster remains latent in

Question 5 of 20

6. Which stage of plasmodium vivax is infective for mosquito?

Question 6 of 20

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

Question 7 of 20

8. Characteristic feature of retiovirus is:

Question 8 of 20

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

Question 9 of 20

10. Which of the following disinfectant is effective against herpes simplex viruses but NOT rhinoviruses?

Question 10 of 20

11. Virulence in gram negative bacteria is due to

Question 11 of 20

12. Acellular pertusis vaccine contains -

Question 12 of 20

13. The Ig found in exocrine secretions is:

Question 13 of 20

14. Which type of hypersensitivity reaction listed below is characterized by a specific cytotropic antibody (IgE) that binds to receptors on basophils and mast cells and reacts with a specific antigen?

Question 14 of 20

15. All of the following statements about Pontiac fever are true, except

Question 15 of 20

16. Neurotoxin of tetanus acts on

Question 16 of 20

17. All of the following statements about Parvovirus B- 19 are true, Except:

Question 17 of 20

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

Question 18 of 20

19. Phase contrast microscopy is based on

Question 19 of 20

20. The killing or removal of all microorganisms, including bacterial spores, is called?

Question 20 of 20