The shortest time required to kill all the microbes in a sample at a specified temperature is called the:
A)thermal death point (TDP).
B)thermal death time (TDT).
C)sporicidal time.
D)death phase point.
E)None of the choices are correct.

Question

Quizplus · Accepted Answer

The thermal death time (TDT) is defined as the shortest time required to kill all the microbes in a sample at a specified temperature. Option A is incorrect as the thermal death point (TDP) is the lowest temperature at which all microbes in a liquid culture will be killed in 10 minutes. Option C is incorrect as sporicidal time refers to the time required to kill bacterial endospores. Option D is incorrect as the death phase point refers to the time when bacterial growth stops and the number of cells in the culture begins to decline.

The Shortest Time Required to Kill All the Microbes in a Sample