Which is a form of cold sterilization -: (A) Gamma rays, (B) Beta rays, (C) Infrared rays, (D) Autoclave
Answer is A. Ionising radiations:Xray ,Gamma rays Cold sterilisation is a process in which sterilisation is carried out at a low temperature with the help of chemicals,radiations,membranes and all other means excluding higher temperature REF:Ananthanarayan & Panicker's Textbook of Microbiology 9th edition pg no:33