Question

The reduction of number of cells from 1010 to one will result into the del factor (Δ) of
A.1
B. 10
C. 23
D. 103

Answer 1

Del factor is defined as an estimate of relative reduction in the number of living cells with respect to their initial number.

Del factor can be calculated using the formula:



Initial number of microbial cells=

Number of cells after time t =1cell

Plugging in the values to calculate del factor:



                     = 23

Therefore, the correct answer is c.23

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