<prompt> All are tests for seminal stains except: March 2012Florence testCreatine phosphate testTakayama testBarberio test  <response>: Ans: C i.e. Takayama test Stains and features If semen is present, florence test will show dark brown crystals of choline iodide. Levels over 400 units of CPK ml are almost diagnostic of seminal stains Blood stains with Takayama reagent produces pink, feathery crystals of haemochromogen reduced alkaline haematin. If prostatic secretion is present, yellow needle shaped rhombic crystals spermine picrate are seen 