Which of the following is not antibody dependent methods: (A) ELISA, (B) Chromatin Immunoprecipitation assay, (C) Flow cytometry, (D) SDS - PAGE
Answer is D. Antibody dependent methods are:

EUSA
Protein Immunoprecipitation (ChIP assay)
Immunoelectrophoresis
Western blot
Protein Immunostaining
Flow cytometry.

Note: SDS PAGE is a method of separating proteins based on size.