Probable organism | G.R | Shape | Size | Arrangement | Elevation | Texture | Colour |
---|---|---|---|---|---|---|---|
Bacillus subtilis | + | Rod | Big | Singly or pairs | Flat | Smooth | Cream |
Corynebacterium diphtheriae | + | Rod | Small | Straight and slightly curved | Raised | Smooth | Metachromatic |
Enterococcus faecalis | + | Cocci | Small | Short chains, in pairs | Convex | Smooth | Grey |
Escherichia coli | − | Rod | Big | Singly or in pairs | Raised | Smooth | Metallic sheen |
Pseudomonas aeruginosa | − | Rod | Big | Singly | Raised | Smooth | Green |
Staphylococcus sp. | + | Cocci | Large | Clusters | Slightly raised | Smooth | Cream |
Staphylococcus aureus | + | Cocci | Large | Clusters | Slightly raised | Smooth, shinny | Golden-yellow |
Streptococcus pyogenes | + | Cocci | Tiny | Chains | Raised | Smooth | Cream |