This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
All are tests for seminal stains except: March 2012 
Select and explain. 
A. Florence test, B. Creatine phosphate test, C. Takayama test, D. Barberio test
C: Takayama test
Answer: C: Takayama test 
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