<prompt> Cold sterilization is done by:SteamIonizing radiationInfraredUV  <response>: Ref: Ananthanarayans Microbiology, 8th ed. pg. 35 Cold sterilization is a process in which sterilization is carried out at low temperature with the help of chemicals, radiations, membranes. Ionizing radiation such as X-rays, gamma rays and cosmic rays, cause no appreciable increase in temperature in this method, it is referred to as cold sterilization. 