TLS Online TPP Program

#Question id: 34346


Which of the following statements are true regarding D-value (Decimal Reduction Time)?

#XL - S Microbiology
  1. It is the time required to kill 90% of the microbial population at a given temperature.
  2. It can be used to compare thermal resistance of different organisms.
  3. D-value increases with increasing temperature.
  4. It is derived from the slope of the log-survivor curve.