Sl.No Biochemical Tests Bacterial Isolates
P1 P2 P3 P4
1 Gram Nature +ve +ve +ve +ve
2 Shape Rods Rods Rods Rods
3 Motility Test + + + +
4 Spore former _ + + +
5 Catalase _ + + +
6 Oxidase + + + +
7 Indole Test _ _ _ _
8 MR Test + + + +
9 VP Test _ _ _ _
10 Citrate utilization _ _ _ _
11 H2S from TSI _ _ _ _
12 Urease _ _ _ _
13 Nitrate Reduction + + + +
14 Gelatin Hydrolysis + + + +
15 Casein Hydrolysis + + + +
16 Starch Hydrolysis + + + +
17 Glucose Utilization AG _ _ _
Note: AG_Acid Gas Production
Table 1: Biochemical characterization of Bacterial isolates.