Convex  
Opaque -
Colour -
Diffusible pigment -
Gram reaction -
Motility +
Arabinose utilization -
Fructose utilization *
Galactose utilization *
Glycerol utilization *
Lactose utilization -
Maltose utilization *
Sucrose utilization +
Catalase test +
Fermentative test *
Methyl red test -
Nitrate reduction test +
Oxidase test +
Casein hydrolysis test *
Gelatin hydrolysis test +
Starch hydrolysis test +
ONPG *
Sulphate production -
Indole production -
VP _
CIT +
PHE *
ARG *
LYS *
ORN *
Urea -
KIA *
MAC *
Table 5: Showing Biochemical tests for Alcaligenes Sp.