All are tests for seminal stains except: March 2012
High-Yield Explanation
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