FORENSIC SCIENCE
PAPER – III
Note : This paper contains seventy five (75) objective type questions of two (2) marks each. All questions are compulsory.
1. Which of the following reagent gives blue black color Product with proteins in blood to visualize finger prints ?
(1) Small particle reagent
(2) Amido black reagent
(3) Silver nitrate reagent
(4) Physical developer
2. A three – dimension impression left on a soft surface by a shoe is not called as a :
(1) Latent print
(2) Plastic print
(3) Visible print
(4) 3-D print
3. Which of the following statement is not correct ?
(1) Glass has unusual property of non-crystalline.
(2) First type of synthetic glass was soda lime.
(3) Glass is a super cooled liquid.
(4) Pyrex is one of the most common trade names of soda lime glass.
4. Equipment and apparatus like fluxing device, oscillating hot plate, muffle furnace, carbon and sulfur determinator, XRF are used for the chemical analysis of :
(1) Crude oil
(2) Portland cement
(3) Stainless steel
(4) Pesticide in preserved fruits
5. The term ‘Peel’ is used in the analysis of which of the following evidence ?
(1) Glass
(2) Soil
(3) GSR
(4) Paint
6. Who among the following is often credited to be the fictional father of criminalistics ?
(1) Agatha Christie
(2) Dorothy Leign Sayers
(3) Arthur Conan Doyle’s
(4) Frederik Forsyth
7. What is the correct order of collecting physical evidence at a scene of crime ?
(a) Swabbing
(b) Sweeping
(c) Tape lifting
(d) Vacuuming
(e) Hand-picking
Code :
(1) (e), (c), (a), (b), (d)
(2) (b), (c), (e), (a), (d)
(3) (e), (a), (c), (b), (d)
(4) (a), (b), (c), (d), (e)
8. In addition to ELISA technique, which of these tests can be employed for the forensic examination of menstrual blood sample :
(1) AAS
(2) Immunochromatography
(3) Emission spectrography
(4) GC – MS
9. The brown colour of faeces primarily results from the presence of :
(1) Fibrinogen
(2) Urobilinoids
(3) Strychnine
(4) Magnesium hydroxide
10. In the Sauger method of DNA sequencing, what causes the termination of chain elongation ?
(1) The incorporation of a regular DNA nucleotide
(2) Denaturation of double strand test fragments
(3) The incorporation of dideoxy nucleotide
(4) When the DNA polymerase encounters a stop codon
11. The rate of migration of DNA within an agrose gel in the gel electrophoresis technique is primarily based on __________.
(1) The volume of the DNA sample loaded
(2) The size of the DNA fragment
(3) The number of DNA fragments
(4) The negative charge of the DNA
12. Assertion (A) : Fibers may have two refractive indices.
Reason (R) : Because light will travel at different speed depending upon whether it is travelling through the length of the fiber or through the diameter of the fibre.
Code :
(1) Both (A) and (R) are correct
(2) (A) is correct and (R) is incorrect
(3) Both (A) and (R) are incorrect
(4) (A) is incorrect and (R) is correct
13. Assertion (A) : Hair evidence may play a role in personal identification.
Reason (R) : For its ability to retain structural features over a long period of time.
Code :
(1) Both (A) and (R) are correct
(2) (A) is correct and (R) is incorrect
(3) Both (A) and (R) are incorrect
(4) (A) is incorrect and (R) is correct
14. Which of the following statement is not correct about diatoms ?
(1) Presence of diatoms in the femoral bone marrow is an indication of antemortem aspiration of water
(2) Diatoms are aquatic unicellular plant
(3) Diatoms have an extracellular coat composed of magnesium
(4) Acid digestion technique is used to extract diatoms from tissue
15. Assertion (A) : Hair is a good source of mt-DNA.
Reason (R) : mt-DNA is embedded in Keratin matrix of hair shaft cells.
Code :
(1) Both (A) and (R) are correct
(2) (A) is correct and (R) is incorrect
(3) Both (A) and (R) are incorrect
(4) (A) is incorrect and (R) is correct
16. Assertion (A) : Next-generation sequencing (NGS) has revolutionised the study of genomics and molecular biology.
Reason (R) : It uses different modern sequencing technologies like illumina, SOLID etc.
Code :
(1) Both (A) and (R) are correct
(2) (A) is correct but (R) is incorrect
(3) Both (A) and (R) are incorrect
(4) (A) is incorrect and (R) is correct
17. Assertion (A) : Some vegetables, fruit juices, fungi or contraceptive creams may give a positive result to the acid phosphatage test, none of these normally reacts with the speed of seminal fluid.
Reason (R) : A reaction time of more than 30 seconds is considered a strong indication of the presence of semen.
Code :
(1) Both (A) and (R) are correct.
(2) (A) is correct and (R) is incorrect.
(3) Both (A) and (R) are incorrect.
(4) (A) is incorrect and (R) is correct.
18. Which of the following pairs is correctly matched ?
19. Which one of the following pairs is correctly matched ?
20. Which of the following pairs is correctly matched ?
21. Which of the following statements are correct in a female pelvis ?
(a) Sub-pubic angle is ‘V’ shaped
(b) Greater sciatic notch is wide and shallow
(c) Pre auricular sulcus is prominent
(d) Ischial tuberosity is everted
Code :
(1) (a), (b) and (c) are correct
(2) (b), (c) and (d) are correct
(3) (a) and (b) are correct
(4) (a) and (d) are correct
22. The objectives of a medicolegal autopsy include :
(a) Identification of the victim
(b) Determine time since death
(c) Determine cause of death
(d) Identify the accused
Code :
(1) (c) and (d) are correct.
(2) (b), (c) and (d) are correct.
(3) (a), (b) and (c) are correct.
(4) (a) and (d) are correct.
23. Which of the following statements are true about incised wounds ?
(a) Length is its greatest dimension
(b) Tailing gives indication of the direction
(c) Length of wound corresponds to the size of blade used
(d) Bridging of tissue is present in the wound
Code :
(1) (a), (b), (c) and (d) are correct
(2) (a), (b) and (c) are correct
(3) (a) and (b) are correct
(4) (c) and (d) are correct
24. Which of the following statements are correct in relation to postmortem lividity ?
(a) Accumulation of blood in the non-dependent parts of the body.
(b) Pattern of distribution is glone and stockings in a case of death due to cafe-coronary.
(c) Color is cherry red in deaths due to carbon monoxide poisoning.
(d) Blanching upon application of pressure indicates non-fixation.
Code :
(1) (a), (b) and (c) are correct
(2) (b), (c) and (d) are correct
(3) (a) and (b) are correct
(4) (c) and (d) are correct
25. Which of the following organism is associated with putrefaction ?
(1) Mycobacterium Smegmatis
(2) Mycobacterium Leprae
(3) Clostridium Welchi
(4) Trepanoma Pallidium
26. The method adopted to appreciate whether lividity is fixed or not in a Cadaver is by :
(1) Washing the cadaver
(2) Turning the body
(3) Applying pressure with thumb
(4) Clinical thermometer
27. The pattern of curve in algor mortis is :
(1) Linear
(2) Plateau
(3) Sigmoid
(4) Parabola
28. Whiplash injuries of the neck are associated with :
(1) Hanging case
(2) Pedestrians in road accidents
(3) Driver of a car in accidents
(4) Assault with whip over head
29. Leading Questions are not allowed in examination-in-chief, except when the witness is :
(1) Common witness
(2) Expert witness
(3) Hostile witness
(4) Paid witness
30. The use of human palatal rugae as a method of identification in 1889 was suggested by :
(1) Thomas and Kotze
(2) Harrison Allen
(3) Suzuki
(4) Edward Henry
31. Identify the correct sequence of the closure of skull sutures :
(1) Sagittal, Temporal, Metopic, Basal
(2) Temporal, Basal, Metopic, Sagittal
(3) Basal, Temporal, Metopic, Sagittal
(4) Metopic, Basal, Sagittal, Temporal
32. Match the following :
33. Match the following :
34. The formula 
is used to determine :
(1) The rate of twist for rifling
(2) To determine the weight of bullet
(3) To calculate the speed of bullet
(4) To calculate the flight path of bullet
35. The two NO2 stretching vibrations in nitrate esters appear at 1285 – 1270 cm−1 and 1660 – 1640 cm−1 respectively can be seen in the IR spectrum of which of the following explosive ?
(1) TNT
(2) PETN
(3) RDX
(4) TATP
36. Major pathway of alcohol metabolism is through :
(1) Alcohol dehydrogenase pathway
(2) Microsomal oxidase pathway
(3) Direct excretion through sweat, urine, etc
(4) Alcohol is not metabolised in human body
37. O-Demethylation of oxycodone gives which of the following :
(1) Noroxy codone
(2) Deoxy morphone
(3) Deoxy codone
(4) Oxymorphone
38. Dextromethorphon is metabolised to Dextrophon by which of the following process ?
(1) O-Demethylation
(2) N-Demethylation
(3) Oxidation
(4) Reduction
39. Assertion (A) : Lugol’s Iodine test is done on swabs collected from penile shaft in sexual assault cases.
Reason (R) : It is done to detect the presence of protein in the vaginal epithelial cells.
Code :
(1) Both (A) and (R) are correct
(2) Both (A) and (R) are incorrect
(3) (A) is correct and (R) is incorrect
(4) (A) is incorrect and (R) is correct
40. Composition of paper may help a forensic document examiner to estimate which of the following :
(1) Relative age of the document
(2) Absolute age of the document
(3) Both relative and absolute age of document
(4) Absolute age of the typescript
41. Which of the following is depicted by the master pattern of a person’s handwriting ?
(1) Forgery in the writing
(2) Copy book form of the writing
(3) Amount of tremors
(4) Range of natural variations in the writing
42. Close up lenses of camera play a role in photography of documents for which of the following purposes ?
(1) To increase the field of view
(2) To increase the magnification
(3) To decrease the magnification
(4) Does not affect the magnification
43. Kaolin can be used in paper manufacturing as a __________.
(1) Filler
(2) Binder
(3) Finisher
(4) Debarker
44. Indian ink is also known as which of the following :
(1) French ink
(2) Japanese ink
(3) Chinese ink
(4) Egyptian ink
45. Thickness of the paper can be measured by which of the following :
(1) Vernier caliper
(2) Screw guage
(3) Screw driver
(4) Height guage
46. Match the following :
47. Which of the following methods is the oldest reported method to visualize the latent finger marks ?
(1) Ninhydrin method
(2) Iodine fuming method
(3) Cyanoacrylate fuming method
(4) Silver nitrate method
48. Match the following :
49. Assertion (A) : Different inflation of tyres will lead to different appearances of the skid marks.
Reason (R) : The appearance of each skid mark pattern is special.
Code :
(1) Both (A) and (R) are correct
(2) (A) is correct but (R) is incorrect
(3) Both (A) and (R) are incorrect
(4) (A) is incorrect but (R) is correct
50. Match the following Fractures :
51. Assertion (A) : Paint is a manufactured material. Therefore, paint cannot be identified to the exclusion of all other paints.
Reason (R) : Paint analysis can easily eliminate a car from consideration but cannot individualize it.
Code :
(1) Both (A) and (R) are correct .
(2) (A) is correct but (R) is incorrect.
(3) Both (A) and (R) are incorrect.
(4) (A) is incorrect but (R) is correct.
52. “Arquebus”, “Hacquebut” are the example of which kind of firearms :
(1) Wheel lock
(2) Match lock
(3) Serpentine
(4) Pistallo
53. A blank cartridge containing small quantity of either “chloracetophenone” or O-chlorobenzalmalonitrite is known as :
(1) Caseless ammunition
(2) Rimfire ammunition
(3) Tear gas ammunition
(4) Lmg ammunition
54. The ammunition which consists of a bullet with the propellant formed around the bullet as a single solid piece is known as :
(1) Blank ammunition
(2) Caseless ammunition
(3) Centre fire ammunition
(4) Rimfire ammunition
55. When a lead bullet is coated with copper then the bullet is known as :
(1) Nyclud
(2) Lacquor
(3) Luballoy
(4) Steel coated
56. The term “Vierling” and “Drilling” are associated with :
(1) LMG
(2) Shotgun
(3) MMG
(4) Grenade Launcher
57. Mercuric chloride gives __________ shaped crystals with Heroin.
(1) Orthogonal
(2) Hexagonal
(3) Rosette of needles
(4) Octahedral
58. Dilaudid is __________.
(1) Synthetic Cocaine
(2) Synthetic Morphine
(3) Synthetic THC
(4) Synthetic Codeine
59. Which of the following is the most sensitive technique to isolate petroleum products from different substrates ?
(1) Solvent Extraction
(2) Steam Distillation
(3) Solid – phase – micro extraction
(4) Solid phase – extraction
60. Which of the following technique can be used to separate and identify the Dextro and Levo forms of cocaine ?
(1) HPLC
(2) GC – FTIR
(3) TLC
(4) HPTLC
61. Match the following :
62. The shapes of the spatter stains of blood are affected by the __________ of impact.
(1) Length
(2) Breadth
(3) Width
(4) Angle
63. __________ is used in place of luminol test to detect the blood stain.
(1) Blue whale
(2) Copper sulphate
(3) Cupric sulphate
(4) Bluestar
64. __________ methods are based on the ability of DNA polymerase to incorporate specific deoxynucleotides (dNTPs) complementary to the sequence of the template DNA.
(1) Allel specification hybridization
(2) Oligonucleotide ligation
(3) Invasive cleavage
(4) Primer extension
65. Which one among the following is not a correct statement for the present day solvent delivery system used in HPLC ?
(1) It should provide pulse free flow
(2) The flow rate should be uniform throughout the analysis
(3) The back pressure generated could vary during the analysis
(4) The flow rate varies but the pressure remains constant throughout the analysis
66. Guard column is normally used with which form of chromatography :
(1) High Performance Thin Layer Chromatography
(2) Size exclusion Chromatography
(3) Gel Permeation Chromatography
(4) High Performance Liquid Chromatography
67. In HPLC isocratic elution means :
(1) Mixing of desired gas with the mobile phase
(2) Changing the composition of mobile phase during analysis
(3) Changing the column
(4) The composition of mobile phase remains constant throughout the analysis
68. In SDS page electrophoresis, the ionic detergent SDS is used :
(1) To make the protein ionic
(2) To denature and binds the protein to make them uniformly negative charge
(3) To give strength to electrophoresis
(4) To slow down the migration of protein under the electric field
69. Assertion (A) : The electron, like the proton and other spinning nuclei, is a charged particle with a spin and having magnetic field.
Reason (R) : It spins much faster than nuclei and thus has a much stronger magnetic field.
Code :
(1) Both (A) and (R) are correct
(2) (A) is correct and (R) is incorrect
(3) Both (A) and (R) are incorrect
(4) (A) is incorrect and (R) is correct
70. Assertion (A) : The sensitivity of neutron activation analysis lies in the range of ppt.
Reason (R) : This high sensitivity is in itself is a limitation for the instrument.
Code :
(1) Both (A) and (R) are correct.
(2) (A) is correct but (R) is incorrect.
(3) Both (A) and (R) are incorrect.
(4) (A) is incorrect and (R) is correct.
71. Assertion (A) : Endosulfan is an organophosphorous compound.
Reason (R) : It is derived from the esters of phosphoric acid.
Code :
(1) Both (A) and (R) are correct .
(2) Both (A) and (R) are false.
(3) (A) is correct but (R) is false.
(4) (A) is false but (R) is correct.
72. Whom of the following was a famous criminalist who identified himself from the missing big toe in the cast of the foot print obtained from the crime scene ?
(1) Soderman
(2) Kirk
(3) Goddard
(4) Le dru
73. Assertion (A) : Photography of the scene of crime plays a very important role in crime scene investigation.
Reason (R) : What a human eye may not be able to see, can be recorded by a camera.
Code :
(1) (A) is correct but not (R)
(2) (R) is correct but not (A)
(3) Both (A) and (R) are correct
(4) Both (A) and (R) are not correct
74. Various type of Packaging containers/envelops are used to pack the evidence material and transfer to the laboratory. One such category of packaging containers/envelops is known as breathable containers. Which of the following is an example of breathable container :
(1) Plastic bags
(2) Plastic containers
(3) Glass containers
(4) Paper bags
75. An office of the government handwriting expert of Bengal was established in Calcutta in 1904 which was shifted in 1906 to which of the following places ?
(1) Delhi
(2) Bombay
(3) Shimla
(4) Madras
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