Decimal reduction time of bacterial spores is 23 min at 121 C and the death kinetics follow first order. One liter medium containing 105 spores per mL was sterilized for 10 min at 121 C in a batch sterilizer. The number of spores inthe medium after sterilization (assuming destruction of spores in heating and cooling period is negligible) will be ___________ 107.

Decimal reduction time of bacterial spores is 23 min at 121 C and the

1.	Decimal reduction time of bacterial spores is 23 min at 121 C and the death kinetics follow first order. One liter medium containing 105 spores per mL was sterilized for 10 min at 121 C in a batch sterilizer. The number of spores inthe medium after sterilization (assuming destruction of spores in heating and cooling period is negligible) will be ___________ 107.
A.	3.6 to 3.8
B.	2.1 to 2.8
C.	6.3 to 8.3
D.	None of the above
Answer» B. 2.1 to 2.8

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