<prompt> Lattes crust method is used for ?Species seminal stainNature of seminal stainSpecies of blood stainBlood grouping of blood stain  <response>: Ans. is d i.e., Blood grouping of blood stain Detection of blood group of blood stain These tests are : 1 Immunological serological : i Aborption-elution test, ii Absorption-inhibition test, iii Mixed agglutination test, iv Latex test 2 Enzymological methods. 3 Lattes crust method. 