In &;Hotair oven&; for holding period of one hour, temperature required is -: (A) 100o C, (B) 120o C, (C) 140o C, (D) 160 o C
Answer is D. Temperature and time: 160 o C for 2 hours (holding time ) is required for sterilization However alternative temperatures and holding time include 170degC for 1 hour and 180degC for 30 minutes Ref: a textbook of Microbiology Dr.C.P.Baveja 4th Edition pg no:30