Tyndallisation is a type of -
Ans. is 'a' i.e., Intermittent sterilization Tyndallization (intermittent sterilization) . Media containing sugar or gelatin are sterilized by heating at 100degc for 20 minutes on three successive days. . First exposure kills all vegetative bacteria. . Spores germinate and are killed on subsequent exposures
Intermittent sterilization
Pasteurisation
Boiling
Autoclaving