Forensic Biology — DU B.Sc. (Hons.) Zoology Previous Year Question Papers

Answer four questions in all. Draw well labelled diagrams wherever necessary. b. Enzyme used for cleaving DNA is called c. Hardest substance in the human body is_ Q.2 Give an account of conventional and non-conventional method to identify wildlife material such as hairs, fur, skin, nails, horns and teeth. (15) Q.3 a) Describe composition of semen, morphology of spermatozoa and their significance in forensic biology. Explain one method to identify semen. (10) b) Describe method to identify blood group. Give its principle. (5) Q.4 a) Give an account of STR markers, explain its significance in identifying individuals during forensic investigation. (10) b) Describe structure of human hair with well labelled diagram. (5) Q.5 a) What is PCR? Elaborate the mechanism with neatly labelled diagram. What is the difference between RFLP and PCR? (10) b) Describe Gustafson's method. Explain its significance in forensic investigation (5) Q.6 Write a short note on any three of the following- (5X3 = 15) a. DNA Profiling b. Forensic Microbiology c. Pug Marks d. Mitochondrial DNA