Crystals produced in Teichmann test are
Question and options
Crystals produced in Teichmann test are
- Brown feathery
- Brown rhombic
- Red feathery
- Red rhombic
Answer and explanation
Correct answer: B - Brown rhombic
Teichmann's test yields haemin crystals, which are brown rhombic (rhomboid) crystals. It is a test for blood: haemin (haematin chloride) crystals form when dried blood is heated with glacial acetic acid and sodium chloride.
Practice for these exams
-
CUSAT CAT M.Sc. Forensic Science
-
CUET PG Law (LL.M.)
Subject revision
Related question papers
Related exam syllabi
More solved explanations in Forensic science & medical jurisprudence
- Which statement best defines forensic science?
- When comparing a multilayered paint chip from a crime scene with a reference sample, the conclusion that both came from the same source becomes stronger when
- Pressure on the carotid sinus triggers a reflex that severely slows the heart and briefly stops effective cardiac activity. Which mechanism best explains the pause?
- Sodium amytal, which is used as a truth serum for narco-analysis, belongs to the __________ group of drugs.
- A concentrated extract of the urine stain may give a characteristic smell due to __________ evolved by bacterial degradation of urea.