Figure 7.2 a Suspension of 106 Bacillus Cereus Endospores Was Put in Put

Multiple Choice

Figure 7.2
A suspension of 106 Bacillus cereus endospores was put in a hot- air oven at 170°C. Plate counts were used to determine the number of endospores surviving at the time intervals shown.

-In Figure 7.2, the thermal death point for this culture is

A) 50°C.
B) 30 min.
C) 170°C.
D) 15 min.
E) Can't tell from the data provided.