PAPER-III

FORENSIC SCIENCE


FORENSIC SCIENCE


PAPER III
Note This paper is of two hundred marks containing four sections. Candidates are required to attempt the questions contained in these sections according to the detailed instructions given therein.

Note This section consists two essay type questions of twenty marks each, to be answered in about five hundred words each. ×
20 40 marks)

Describe home made bombs and their various types in detail.

Explain the procedure of polymerase chain, reaction and discuss its forensic significance.

Describe various types of forgeries and their detection with suitable illustrations.

Describe in detail working of Nuclear Magnetic Resonance with the help of suitable sketch and write its uses in forensic analysis.


SECTION II

Note This section contains three questions of fifteen marks each, each to be answered in about three hundred words. ×
15 45 Marks)

How would you determine the range of fire by a shot gun

Automated Fingerprint Identification System (AFIS) in the process of fingerprints classification has made the classification easier and simpler, comment.

A bunch of mixed dried bones have been found by local police from a concealed gunny bag. How will you examine and establish identity of missing person

SECTION III


Note This section contains nine questions of ten marks each, to be answered in about fifty words. ×10 90 Marks)

6. Explain the legal and ethical issues of Narcoanalysis.

7. Describe the circumstances of firearm cases in which there is an entry wound but no exit wounds.

8. How individual features in a type writer develop

9. Write the composition and analysis of Portland cement.

10. Classify pesticides. Explain mode of action of carbamates.

11. Draw and label the microscopic structure of a human spermatozoa.

12. Write a note on sodium dodecyl sulphate-polyacrylamide gel electrophoresis
(SDS-PAGE).

13. Explain the features of carbon monoxide poisoning.

14. Describe the structure and working of Battley's lens for single fingerprint classification.


SECTION IV

Note This section contains five questions of five marks each based on the following passage. Each question should be answered in about thirty words. ×
5 25 Marks)

A dead body of a young unmarried female was found in a house severly burnt beyond recognition. Autopsy revealed bright coloured tissues and blood. The uterus was enlarged with a foetus.

How do you establish the identity of the person

16. What may be the possible cause of death

17. Comment on the manner of death.

18. How do you confirm by chemical analysis the cause of death

19. How do you ascertain the fuel used in the crime