Answer:
The correct answer is - D. Hemastix
Explanation:
HemaStix is a blood reagent test to test the blood present in a sample with the help of strips of tetramethylbenzidine and hydrogen peroxide. It is a presumptive color test. A presumptive color test that detects blood.
In this test, the plastic pad of TMB and hydrogen peroxide gets a sample from a wet swab, initially, it gives yellow color but if there is blood and it touches with blood it will turn green or blue-green. It does not require to destroy the DNA of the blood cells.
