This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Identification, Subject name: Forensic Medicine
Species identifications are done by 
Select and explain. 
A. Precipitin test, B. Benzidine test, C. Spectroscopy, D. Neutron activation analysis (N.A.A.).
A: Precipitin test
Answer: A: Precipitin test 
Explanation: Tests for species identification are Precipitin test, Latex agglutination test, Haem-agglutination inhibition test Ref: Krishan Vij textbook of forensic medicine, 5th edition pg : 54