

MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
1. |
Fluorescent treponemal antibody test is an example of |
A. | indirect immunofluorescence |
B. | direct immunofluorescence |
C. | both (a) and (b) |
D. | none of these |
Answer» B. direct immunofluorescence | |
2. |
Counter-immunoelectrophoresis is used for the detection of |
A. | Meningococcal antigen |
B. | Hepatitis B surface antigen |
C. | Alpha-fetoprotein |
D. | All of these |
Answer» E. | |
3. |
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 |
Answer» E. | |
4. |
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 |
Answer» E. | |
5. |
Monoclonal antibody production requires |
A. | mouse splenic lymphocytes |
B. | mouse myeloma cells |
C. | both (a) and (b) |
D. | none of these |
Answer» D. none of these | |
6. |
Quellung reaction is used for typing of |
A. | <i>Klebsiella pneumoniae</i> |
B. | <i>Streptococcus pneumoniae</i> |
C. | Both (a) and (b) |
D. | None of these |
Answer» D. None of these | |
7. |
Slide agglutination reaction is/are useful for the identification of the culture(s) of |
A. | <i>Shigella</i> |
B. | <i>Vibrio cholerae</i> |
C. | <i>Salmonella</i> |
D. | All of these |
Answer» E. | |
8. |
The test (s) based on the principle of toxin neutralization is/are |
A. | Nagler's reaction |
B. | Schick test |
C. | both (a) and (b) |
D. | none of these |
Answer» D. none of these | |
9. |
Amount of various immunoglobulin classes can be measured by |
A. | double diffusion in one dimension |
B. | single diffusion in two dimensions |
C. | single diffusion in one dimension |
D. | double diffusion in two dimensions |
Answer» C. single diffusion in one dimension | |
10. |
VDRL test is an example of |
A. | Tube test |
B. | Ring test |
C. | Slide test |
D. | none of these |
Answer» D. none of these | |
11. |
Agglutination reaction is more sensitive than precipitation for the detection of |
A. | antigens |
B. | antibodies |
C. | complement |
D. | antigen-antibody complexes |
Answer» B. antibodies | |
12. |
Precipitation reaction is relatively less sensitive for the detection of |
A. | antigens |
B. | antigen-antibody complexes |
C. | antibodies |
D. | complement |
Answer» D. complement | |
13. |
In which of the following case a large lattice is formed? |
A. | Antibody is in excess |
B. | Antigens and antibodies are in optimal proportion |
C. | Antigen is in excess |
D. | None of these |
Answer» C. Antigen is in excess | |
14. |
Weil-Felix reaction is based on sharing of antigens between |
A. | sheep RBCs and EB virus |
B. | mycoplasma and human O group RBCs |
C. | rickettsial antigens and antigens of certain strains of |
D. | <i>Proteus</i> |
E. | none of these |
Answer» D. <i>Proteus</i> | |