A. Time-consuming
B. Less effective
C. Causes instruments to rust
D. Causes sharp instruments to dull
✅ The correct answer is option Time-consuming.
Microbiology
Immunoglobulin crossing placenta is_________________?
A. Ig M
B. Ig A
C. Ig G
D. Ig D
✅ The correct answer is option Ig G.
Black water fever is caused by______________?
A. Plasmodium vivax
B. Plasmodium falciparum
C. Leishmania donovani
D. Microfilaria
✅ The correct answer is option Plasmodium falciparum.
Which of the following organisms does NOT react with gram’s stain ?
A. Actinomyces israelii
B. Candida albicans
C. Mycobacterium tuberculosis
D. Streptococcus mutan
✅ The correct answer is option Mycobacterium tuberculosis.
A protoplast is best characterized as a bacterial cell______________?
A. with a cell wall but free of a capsule
B. containing a cell wall and a capsule
C. Free of a cell wall and a capsule
D. Uniquely sensitive to penicillin
✅ The correct answer is option Free of a cell wall and a capsule.
A dentist suffred from Hepatitis B infection 3 months back. His laboratory tests are normal but he is not allowed by the medical board to do surgical practice. He is_____________?
A. Inactive carrier
B. Healthy carrier
C. Convalscent carrier
D. Paradoxical carrier
✅ The correct answer is option Convalscent carrier.
The commonest method of detection of diptheria carriers is_______________?
A. Schick test
B. Dick test
C. Casoni’s test
D. Charles’ test
✅ The correct answer is option Schick test.
Which of the following fulfil all the criterias of kich’s postulates ?
A. Treponema pallidum
B. Mycobacterium leprae
C. N. gonorrhoeae
D. None of the above
✅ The correct answer is option None of the above.
The small nonparticulate protein leading to enhanced replication of HBV as well as HIV is______________?
A. HBc Ag
B. HBs Ag
C. Hbe Ag
D. HBx Ag
✅ The correct answer is option HBx Ag.
One of the following staining methods is an example of negative staining_______________?
A. Gram’s staining
B. Fontana’s staining
C. India ink preparation
D. Zheil-Neilson’s staining
✅ The correct answer is option India ink preparation.