Effectiveness of garlic in fighting bacteria
The results show that test tube B with the milk and E. Coli specimen had the largest colony of bacterial growth whereas test tube C with milk, the E Coli specimen and garlic extract did not show any signs of bacterial growth. Test tube A showed some small signs of bacterial growth probably due tocontamination during the incubation period.
Use the graph below to plot the results in the above table.
The bacteria should be destroyed before disposal. Pour some bleach into the petri dishes to kill all the bacteria before disposing them in the trash.