5 Questions
Which method is suitable for glassware instruments & paper-wrapped articles that are not spoiled by high temperature?
Red heat
What is the purpose of pasteurization in heat sterilization?
Kills only vegetative cells
At what temperature does a hot air oven operate for 1 hour for effective sterilization?
140°C
Which method is used with inoculating wires and loops for sterilization?
Red heat
"Moist heat" is effective in killing which type of bacteria at lower temperatures compared to dry heat?
"Both vegetative & spore-forming bacteria"
Study Notes
Sterilization Methods
- Dry heat sterilization is suitable for glassware instruments and paper-wrapped articles that are not spoiled by high temperature.
Pasteurization
- The purpose of pasteurization in heat sterilization is to kill pathogens and extend shelf life.
Hot Air Oven Sterilization
- A hot air oven operates at a temperature suitable for effective sterilization for 1 hour.
Inoculating Wires and Loops Sterilization
- Flame sterilization is used with inoculating wires and loops for sterilization.
Moist Heat Sterilization
- Moist heat is effective in killing spores at lower temperatures compared to dry heat.
Test your knowledge on practical aspects of sterilization, disinfection, bacterial motility, staining, and bacterial culture media in microbiology. Explore safety in the laboratory, microscopy, and biochemical tests for bacterial identification.
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