Question

Which of the following tests is based on hemoglobin activity?

• A. Kastle Meyer test
• B. Silver nitrate
• C. Choline test
• D. Starch iodine test

Hint:

The Kastle Meyer test is a fast, reliable method to identify blood in forensic investigations.

Answer 1

The Correct Option is A

The Kastle Meyer test is a presumptive test for blood detection. It relies on the peroxidase-like activity of hemoglobin to catalyze the oxidation of phenolphthalein, resulting in a pink color change. This test is widely used in forensic cases for rapid blood identification.