Cold sterilization refers to the process of sterilization by use of______________?
Correct answer: D. Gamma rays
- A. Ultra violet rays
- B. Ultrasonic vibrations
- C. Infrared rays
- D. Gamma rays
Explanation
Cold sterilisation uses ionising radiation, especially gamma rays, to destroy microorganisms without substantial heating. Ultraviolet radiation has poor penetration and is mainly used for surface or air disinfection rather than reliable sterilisation.
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Practise Infection Control and Sterilisation
38 free Infection Control and Sterilisation MCQs from Microbiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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