- (A) 20% phenol
- (B) High efficiency particle arrestors
- (C) 40% formaldehyde vapour
- (D) Chlorine gas
Exam preparation MCQs with answers
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Latest MCQs
- (A) complete antigen molecule
- (B) Hapten
- (C) Immunogen
- (D) Smallest antigenic determinant
- (A) Ultra violet rays
- (B) Ultrasonic vibrations
- (C) Infrared rays
- (D) Gamma rays
- (A) Different refractive indices of object
- (B) Different reflective indices of object
- (C) Light scattering
- (D) Light attenuation
- (A) Actinomyces israelii
- (B) Candida albicans
- (C) Mycobacterium tuberculosis
- (D) Streptococcus mutan
- (A) C3
- (B) C5
- (C) C2
- (D) Protein B
- (A) B lymphocytes
- (B) Erythrocytes
- (C) T lymphocytes
- (D) Antigen presenting cells (APC
- (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
- (A) Ig M
- (B) Ig A
- (C) Ig G
- (D) Ig D
- (A) Wd miller
- (B) Leumenhoek
- (C) Robertson
- (D) Socranci

