Table 7.5 the Following Results Were Obtained from a Use-Dilution Test of Test

Short Answer

Table 7.5
The following results were obtained from a use-dilution test of two disinfectants.Cultures were inoculated into tubes containing varying concentrations of the disinfectants,incubated for 10 min.at 20°C,and then transferred to growth media without disinfectant.
(+ = growth;- = no growth)

-In Table 7.5,which disinfectant is most effective? Against which group of bacteria is Disinfectant A most effective?