Immunological Techniques
The competitive immunoassay can be used

both (a) and (b)
to detect very small amounts of antigen
commonly to detect trace amounts of drugs.
to detect antibody associated with allergies (IgE)

ANSWER DOWNLOAD EXAMIANS APP

Immunological Techniques
In Counter immunoelectrophoresis

electrophoresis will drive the antibody and antigen parallel to each other
the antibody will migrate towards anode
the antibody will migrate towards cathode
electrophoresis will drive the antibody and antigen toward each other

ANSWER DOWNLOAD EXAMIANS APP