181. Most sensitive test for antigen detection is_______________?
A. Radioimmuno Assay
B. ELISA
C. Immunoflourescence
D. Passive hemaglutination
✅ The correct answer is option Radioimmuno Assay.
Microbiology MCQs
182. Lesions caused by Entameoba histolytica predominantly involve________________?
A. Caecum and large intestine
B. Duodenum
C. Stomach
D. Jejunum and Ileum
✅ The correct answer is option Caecum and large intestine.
183. The temperature required for cultivating mycobacterium________________?
A. 2 degree
B. 0 degree
C. 27 degrees
D. 37 degrees
✅ The correct answer is option 37 degrees.
184. Grave’s disease is an example of type immunologic response_________________?
A. Type I
B. Type II
C. Type III
D. Type IV
✅ The correct answer is option Type II.
185. One of the following is an agglutination test in the diagnosis of typhoid___________?
A. Widal test
B. Eleks test
C. Mantoux test
D. Wasserman test
✅ The correct answer is option Widal test.
186. Negative phase is seen in ________ immunity?
A. Active
B. Passive
C. Herd
D. Local
✅ The correct answer is option Active.
187. Type of receptor present on T-cells are__________________?
A. Ig A
B. Ig G
C. Prostaglandins
D. CD4
✅ The correct answer is option CD4.
188. Methods for the diagnosis of superficial fungal infection________________?
A. Microscopic examination of skin scrapings
B. KOH staining
C. Wood light examination
D. All of the above
✅ The correct answer is option All of the above.
189. Louis Pasteur is not associated with_______________?
A. Introduction of complex media
B. Discovery of Rabies Vaccine
C. Discovery of M. Tuberculosis
D. Disproved spontaneous regression theory
✅ The correct answer is option Discovery of M. Tuberculosis.
190. The genetic ability of a bacterium to grow in the presence of several antibiotics is passed in vivo from one bacterium to another by_____________?
A. Conjugation
B. Rarefaction
C. Transduction
D. Transformation
✅ The correct answer is option Conjugation.