Takayam test is used for ?
Ans. is 'a' i.e., To know the nature of stain It is a microchemical test to know the nature of stain.Microchemical tests :These tests are based on propey of haem pa of hemoglobin to form characteristic coloured crystals.Teichmann's haemin crystal testTakayama hemochromogen crystal testLuminal spray test : It is especially useful in old obscure blood stains
To know the nature of stain
To know the species
For blood grouping
None of the above