<prompt> Paul bunnel reaction is a type of -AgglutinationCFTPrecipitationFlocculation test  <response>: Paul - Bunnell test for diagnosis of infectious mononucleosis are heterophile agglutination test. When a paiculate antigen is mixed with its antibody in the presence of electrolytes at a suitable temperature and pH, the paicles are clumped or agglutinated. Reference : Anathanarayan panikers 9th edition, pg no:108, 109 p 