6. The ring test is used for

A. C-reactive protein test
B. Ascoli’s term precipitation test
C. typing of streptococci and pneumococci
D. all of the above

7. Precipitation reaction can be converted into agglutination reaction by coating soluble antigen onto

A. bentonite particles
B. RBCs
C. latex particles
D. all of these

8. Commercially available ELISA kits are used for the detection of

A. rotavirus
B. hepatitis B surface antigen
C. anti-HIV antibodies
D. all of these

9. Monoclonal antibody production requires

A. mouse splenic lymphocytes
B. mouse myeloma cells
C. both (a) and (b)
D. none of these

10. Quellung reaction is used for typing of

A. Klebsiella pneumoniae
B. Streptococcus pneumoniae
C. Both (a) and (b)
D. None of these