A. Pleomorphism
B. Elaboration of an enzyme that destroy penicillin
C. Penicillin analogue production
D. Lack of nucleic acid in the cell wall
✅ The correct answer is option Elaboration of an enzyme that destroy penicillin.
Microbiology
The reaginic antibody is________________?
A. IgG
B. IgA
C. IgD
D. IgE
✅ The correct answer is option IgE.
In penicillin allergy, penicillin acts as a_______________?
A. Hapten
B. Carrier
C. Super antigen
D. Toxin
✅ The correct answer is option Hapten.
Tyndallisation is carried out for________________?
A. One day
B. Two successive days
C. 60 minutes
D. Three successive days
✅ The correct answer is option Three successive days.
Portal of entry of poliovirus in mainly_______________?
A. Gastrointestinal tract
B. Nasal mucosa
C. Lung
D. Skin
✅ The correct answer is option Gastrointestinal tract.
The single most important laboratory test for determining the virulence of staphylococci is___________?
A. Mannitol fermentation
B. Hemolysis of sheep erythrocytes
C. Detection of coagulase
D. The catalase test
✅ The correct answer is option Detection of coagulase.
T cell matures in______________?
A. Payers patch
B. Lymph node
C. Thymus
D. Busra of Fabricius
✅ The correct answer is option Thymus.
The cell wall deficient bacteria_______________?
A. Rickettsiae
B. Mycoplasma
C. Chlamydiae
D. Ehrlichiae
✅ The correct answer is option Mycoplasma.
Rideal Walker test is used to determine the efficiency of the_____________?
A. Disinfectant
B. Moist heat sterilisation
C. Antibiotics
D. Dry heat sterilization
✅ The correct answer is option Disinfectant.
Subacute bacterial endocarditis is caused by_____________?
A. Streptococcus viridans
B. Haemolytic streptococci
C. Staphylococcus aureus
D. Nisseria
✅ The correct answer is option Streptococcus viridans.