Biological Testing Apparatus

FIG. 1 is a top, front, left perspective view of a biological testing apparatus, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left-side elevation view thereof; and,

FIG. 7 is a right-side elevation view thereof.

The broken lines in the drawings depict portions of the biological testing apparatus that form no part of the claimed design.