Table 5. Morphological and biochemical tests for isolated strains.
| Strain No. | Test | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1 | Gram's staining | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve |
| 2 | Catalase | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve |
| 3 | Starch hydrolysis | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve |
| 4 | Indole test | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve |
| 5 | Methyl red | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve |
| 6 | Voges Proskaur test | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve |
| 7 | Citrate utilization test | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve |
| 8 | Lactose fermentation | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve | +Ve |
| 9 | Spore formation | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve |
| 10 | Capsule formation | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve | -Ve |
+Ve: positive; -Ve: negative.