Physical sterilization was discovered by__________________?

Related Mcqs:

1. Cold sterilization refers to the process of sterilization by use of____________________?

   A. Ultra violet rays
   B. Ultrasonic vibrations
   C. Infrared rays
   D. Gamma rays

2. Cold sterilization refers to the process of sterilization by use of______________?

   A. Ultra violet rays
   B. Ultrasonic vibrations
   C. Infrared rays
   D. Gamma rays

3. Steam under pressure in used in ________ sterilization?

   A. Pasteurization
   B. Autoclave
   C. Kochs sterilizer
   D. hot air oven

4. The optimal time and temperature required for sterilization in an autoclave is___________________?

   A. 140°C x 2 hrs. x 10 lbs pr.
   B. 121°F x 15 mts. x 15 lbs pr.
   C. 121°F x 15 sec. x 15 lbs pr.
   D. 121°C 15 mts. x 15 lbs pr.

5. Sterilisation control for moist heat is “or” The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________?

   A. using Bacillus stearo thermo philus
   B. Using non-pathogenic strain of clostridium tetani
   C. Using chemical indicator
   D. Using methylene blue

6. One of the following statement about statements about sterilization is not true_______________?

   A. Liquid paraffin → Dry heat
   B. Glass syringes → Boiling at 169°C for 60 min
   C. Flash pasteurization of milk → 72° C for 15 seconds, followed quickly by rapid cooling to 13°C for lower
   D. Vaccines → Ethylene oxide

7. The best method of sterilization of dressing powder is_____________?

   A. Autoclaving
   B. Hot air oven
   C. Inspissation
   D. Tyndallization

8. Purpose of Sterilization is to eliminate________________?

   A. Bacteria
   B. Viruses
   C. Spore formers
   D. Fungus

9. The difference between sterilization and disinfection is that_______________?

   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

10. Sterilization of liquid paraffin is done by______________?

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