- (A) Increase toxigenicity
- (B) Increase antigenicity
- (C) Reduce the antigenicity
- (D) reduce the toxigenicity
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- (A) Louis pasteur
- (B) Robert koch
- (C) Hensen
- (D) Ogston
- (A) Autoclaving
- (B) Hot air oven
- (C) UV-Radiation
- (D) Inspissation
- (A) It has got more bactericidal activity
- (B) It has got more bacteriostatic activity
- (C) It has got no deleterious effect on the cement and lenses of instruments
- (D) Its application is easier
- (A) Hot air oven
- (B) U.V. rays
- (C) Gamma rays
- (D) Boiling
- (A) Type I hypersensitivity
- (B) Type II hypersensitivity
- (C) Type III hypersensitivity
- (D) Type IV hypersensitivity
- (A) One day
- (B) Two successive days
- (C) 60 minutes
- (D) Three successive days
- (A) Long wavelength
- (B) short wave lenght
- (C) Ozone
- (D) Heat
- (A) It can kill hepatitis B virus
- (B) Used for sterilizing surgical instruments
- (C) Can kill mycobacterium tuberculosis
- (D) Can kill vegetative bacterial cells
- (A) Hapten
- (B) Carrier
- (C) Super antigen
- (D) Toxin
