Who first introduced solid media:
A. Louis pasteur
B. Robert koch
C. Hensen
D. Ogston
Sterilization of liquid paraffin is done by:
A. Autoclaving
B. Hot air oven
C. UV-Radiation
D. Inspissation
The key cell types involved in the acquired immunity include all EXCEPT:
A. B lymphocytes
B. Erythrocytes
C. T lymphocytes
D. Antigen presenting cells (APC
Sterilization is a process in which:
A. Kill all pathogenic micro-organisms
B. Kill all non-pathogenic micro-organisms in the environment
C. Deactivate all pathogens not spores
D. Deactivate all spores and dill pathogenic organism
Immunoglobulin crossing placenta is:
A. Ig M
B. Ig A
C. Ig G
D. Ig D
The term animalcules to oral microorganisms is given by:
A. Wd miller
B. Leuwenhoek
C. Robertson
D. Socranci
Which of the following immunoglobulins has the highest mean serum concentration in humans:
A. IgA
B. IgD
C. IgG
D. IgM
Type of receptor present on T-cells are:
A. Ig A
B. Ig G
C. Prostaglandins
D. CD4
Hot air oven cannot be used for sterilising:
A. Clothes
B. Instruments
C. Culture media
D. Needles
Exotoxins are:
A. Lipid-polysaccharide complex
B. Protein compound
C. Lipoprotein
D. None
