General Microbiology

A. Long wavelength
B. short wave lenght
C. Ozone
D. Heat

A. One day
B. Two successive days
C. 60 minutes
D. Three successive days

A. Type I hypersensitivity
B. Type II hypersensitivity
C. Type III hypersensitivity
D. Type IV hypersensitivity

A. Hot air oven
B. U.V. rays
C. Gamma rays
D. Boiling

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. Autoclaving
B. Hot air oven
C. UV-Radiation
D. Inspissation

A. Louis pasteur
B. Robert koch
C. Hensen
D. Ogston

A. 20% phenol
B. High efficiency particle arrestors
C. 40% formaldehyde vapour
D. Chlorine gas

A. Lipids
B. Carbohydrates
C. Inorganic salts
D. Nucleic acids

A. Disinfection kills all spores but sterilization does not
B. Sterilization kills all spores but disinfection does not
C. Sterilization involves chemicals and disinfection involves physical methods
D. Sterilization is easier to achieve