A. Cytopathic changes in culture cells
B. Presence of viral protein in the infected monolayer
C. Haemagglutination test
D. Haemagglutination inhibition test
✅ The correct answer is option Cytopathic changes in culture cells.
Microbiology MCQs
452. Which of the following is not transmitted by lice ?
A. Trench fever
B. Relapsing fever
C. Q fever
D. Epidemic typhus
✅ The correct answer is option Q fever.
453. The only virus, which has double stranded RNA, is______________?
A. Bunya virus
B. Reo virus
C. Calci virus
D. Rhabdo virus
✅ The correct answer is option Reo virus.
454. What is the transport medium for cholera___________________?
A. Tellurite Medium
B. Cary Blair Medium
C. Venkatraman – Ramakrishnan Medium
D. B & C
✅ The correct answer is option B & C.
455. Commonest site of extra intestinal amoebiasis is___________________?
A. Brain
B. Liver
C. Spleen
D. Lungs
✅ The correct answer is option Liver.
456. Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by_____________?
A. Diphtheria
B. Typhoid fever
C. Rheumatic fever
D. Syphilis
✅ The correct answer is option Rheumatic fever.
457. Reynolds Braude phenomenon is shown by ___________________?
A. Candida albicans
B. Mucor
C. Cryptococcus
D. Aspergillus
✅ The correct answer is option Candida albicans.
458. Bacteria reproduce mainly by______________?
A. Budding
B. Binary fission
C. Sporing
D. Bacterial components produced by host cells
✅ The correct answer is option Binary fission.
459. Which of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci_____________?
A. Lysozyme
B. Fibrinolysin
C. Coagulase
D. S protein
✅ The correct answer is option Coagulase.
460. Which of the following immunoglobulins has the highest mean serum concentration in humans_________________?
A. IgA
B. IgD
C. IgG
D. IgM
✅ The correct answer is option IgG.