The test to determine blood groups in a blood stain is:
Haemin crystal test
Lattes crust method
Ans. D. Lattes crust method
- The common blood groups ABO, MNS and Rh systems can be determined in a blood stain by Lattes crust method.
- Luminol spray is used to identify blood stains which are no longer visible due to washing of crime scene.
- Kastle-Meyer test is used to identify visible blood stains.
- Haemin crystal test is a confirmatory test for blood stains.