Blood Detection Methods Quiz

• The haem group of haemoglobin possesses a peroxidase-like activity which catalyses the breakdown of hydrogen peroxide (correct)
• The formation of haemoglobin derivative crystals such as haematin, haemin and haemochromogen
• The sensitivity of the test to detect bloodstains
• The reaction of haemoglobin with Nippe’s Reagent

• Substances other than heme which possess a similar peroxidase-like activity (correct)
• The sensitivity of the test
• The presence of haemoglobin derivative crystals
• Chemical oxidants

• About 0.1 mL of blood or 0.01 mg of haemoglobin
• About 0.01 mL of blood or 1 mg of haemoglobin
• About 1 mL of blood or 0.001 mg of haemoglobin
• About 0.001 mL of blood or 0.1 mg of haemoglobin (correct)

<p>0.1gm KCl + 0.1 gm KBr + 0.1 gm KI in 100 ml glacial acetic acid (B)</p> Signup and view all the answers

<p>Dissolve some benzidine crystals in 0.5 ml of glacial acetic acid, add 1 ml dist. Water + 1 drop blood, add a few drops of H2O2 and observe the color (B)</p> Signup and view all the answers