1. First immunoglobulin increased during immunity

Question 1 of 20

2. The process of gene transfer between bacterial cells that involves the uptake of naked DNA molecules is classified as which of the following?

Question 2 of 20

3. Standard agar recommended for susceptibility tests using antibiotic sensitivity disks

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. Lysozyme degrades:

Question 5 of 20

6. Blood spills in hospital are disinfected with

Question 6 of 20

7. Aflatoxins are produced by

Question 7 of 20

8. Varicella Zoster remains latent in

Question 8 of 20

9. Hay fever and allergies to certain foods are examples of:

Question 9 of 20

10. The role played by major histocompatibility Complex-1 and -2 is to

Question 10 of 20

11. An eight year old child with history of pain and discharge from right ear presents with fever, neck rigidity and a positive Kerning's sign. Discharge was stained with gram stain which revealed gram positive cocci. Which of the following is the most likely organism.

Question 11 of 20

12. Correct order of phases in bacterial growth curve:

Question 12 of 20

13. In order for a virus to infect a host cell, it must first adsorb onto the cell surface, This process necessitates

Question 13 of 20

14. For uniform staining reaction, morphology & biochemical activity, it is advisable to study bacterial cultures during the

Question 14 of 20

15. Best method of sterilizing disposable syringes:

Question 15 of 20

16. The process of inducing donor DNA in a bacteria by help of bacteriophage

Question 16 of 20

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

Question 17 of 20

18. The serum concentration of which of the following human IgG subclass is maximum?

Question 18 of 20

19. Gram positive cocci which produce greenish colonies when cultured on blood agar, is bile insoluble and does not produce lesions when inoculated intra peritonially in mice, is:

Question 19 of 20

20. Dark ground microscopy is useful to identify:

Question 20 of 20