Podcast
Questions and Answers
What is the process of a bacterial cell dividing into two daughter cells called?
What is the process of a bacterial cell dividing into two daughter cells called?
- Cellular meiosis
- Mitosis
- Binary fusion
- Binary fission (correct)
Which of the following is NOT a factor that can affect microbial growth?
Which of the following is NOT a factor that can affect microbial growth?
- Temperature
- pH level
- Oxygen concentration
- Presence of viruses (correct)
What is the key difference between sterilization and disinfection in terms of microbial control?
What is the key difference between sterilization and disinfection in terms of microbial control?
- Disinfection is a preventive measure while sterilization is a curative measure.
- Sterilization kills all microorganisms while disinfection only reduces their numbers. (correct)
- Disinfection is used on living tissues while sterilization is used on inanimate objects.
- Sterilization uses chemicals while disinfection uses heat.
Which type of bacteria requires an atmosphere with no oxygen for growth?
Which type of bacteria requires an atmosphere with no oxygen for growth?
What is the primary difference between sterilization and disinfection?
What is the primary difference between sterilization and disinfection?
What is the optimum growth temperature for mesophiles?
What is the optimum growth temperature for mesophiles?
What is the term used to describe the increase in the number of bacterial cells through cell division?
What is the term used to describe the increase in the number of bacterial cells through cell division?
What factor mainly determines the generation time (doubling time) of a bacterial cell?
What factor mainly determines the generation time (doubling time) of a bacterial cell?
Which of the following methods slows or stops bacterial growth by creating an environment with higher salt concentrations?
Which of the following methods slows or stops bacterial growth by creating an environment with higher salt concentrations?
How do acidophilic microbes and alkalophilic microbes differ in terms of pH preferences?
How do acidophilic microbes and alkalophilic microbes differ in terms of pH preferences?
