UGC NET Exam December 2013 Forensic Science Paper-3 Question Paper With Answer Key

FORENSIC SCIENCE

PAPER – III

Note : This paper contains seventy five (75) objective type questions of two (2) marks each. All questions are compulsory.

1. Magistrate Inquest is done in the following cases :

(a) Death in road accident

(b) Death caused by drowning

(c) Exhumation

(d) Death in prison

Codes :

(A) (a) and (c) are correct.

(B) (a) and (d) are correct.

(C) (c) and (d) are correct.

(D) (b) and (d) are correct.

Ans: (C)

2. The Bureau of Police Research and Development is situated in

(A) New Delhi

(B) Lucknow

(C) Chandigarh

(D) Mumbai

Ans: (A)

3. The following persons helped Sir E.R. Henry in ten digit fingerprint classification :

(a) Battley

(b) Hemchand Bose

(c) Herschel

(d) Azizul Haq

Codes :

(A) (b) and (c) are correct.

(B) (d) and (c) are correct.

(C) (b) and (d) are correct.

(D) (a) and (b) are correct.

Ans: (C)

4. Assertion (A) : While despatching the exhibit to the Forensic Science Laboratory the sample of the seal used on packed exhibits is also despatched along – with exhibits.

Reason (R) : It helps in ascertaining the chain of custody in investigation.

Codes :

(A) Both (A) and (R) are incorrect.

(B) Both (A) and (R) are correct.

(C) (A) is correct, but (R) is incorrect.

(D) (A) is incorrect, but (R) is correct.

Ans: (B)

5. The control soil sample should be collected within the distance of _______ of the questioned soil spot.

(A) 1 inch

(B) 3-4 inches 

(C) 8 inches

(D) 1 feet

Ans: (B)

6. Arrange the following steps of crime investigation in proper sequence :

(i) Collection and despatch of evidence to Forensic Science Laboratory.

(ii) First Information Report. 

(iii) Photography of scene of crime.

(iv) Protection of scene of crime.

Codes :

(A) ii, iv, iii, i

(B) i, iv, ii, iii

(C) ii, iv, i, iii

(D) iii, i, ii, iv

Ans: (A)

7. These are sketching methods in crime scene, except

(A) Rectangular co-ordinate method

(B) Spiral method

(C) Triangular co-ordinate method

(D) Polar co-ordinate method

Ans: (B)

8. Sodium-halide-bromide cell window are used in

(A) IR spectrometry

(B) UV spectrometry

(C) Raman spectrometry

(D) Atomic absorption spectrometry

Ans: (A)

9. In X-ray spectroscopy, atoms are excited by

(A) Direct bombardment with electrons

(B) Bombardment with protons

(C) Irradiation with X-rays of shorter wavelengths

(D) All the above

Ans: (D)

10. Bertrand lens is a part of the following microscope :

(A) Steriomicroscope

(B) Comparison microscope

(C) Polarising microscope

(D) Fluorescence microscope

Ans: (C)

11. In which of the method, Hollow- Cathode lamp is used as radiation source ?

(A) Atomic absorption spectrophotometer

(B) UV-Vis spectrophotometer

(C) IR spectrophotometer

(D) Raman spectrophotometer

Ans: (A)

12. A lens with a variable focal length is known as

(A) Normal lens

(B) Telephoto lens

(C) Wide angle lens

(D) Zoom lens

Ans: (D)

13. X-ray spectra are quite simple because

(A) they result from transition between energy levels of the innermost electrons

(B) they result from transition between every levels of the outermost electrons

(C) they result from transition between energy levels of middle orbital electrons

(D) no change in transition levels of electrons

Ans: (A)

14. Spherical aberration means

(A) that all portions of a lens have common focus

(B) that inner and outer areas of lens do not have common focus

(C) that the lens corrected for two wavelengths of radiation

(D) it is corrected for three wavelengths of radiation

Ans: (B)

15. Detectors in IR spectrophotometry include the following :

(a) Golay detector

(b) Electron capture detector

(c) Photodetector

(d) Thermocouples

Codes :

(A) (a) and (b) are correct.

(B) (b) and (c) are correct.

(C) (c) and (d) are correct.

(D) (a) and (d) are correct.

Ans: (D)

16. Which of the following would be considered individual evidence ?

(A) DNA

(B) Blood

(C) Paint

(D) Soil

Ans: (A)

17. The sex of an individual can be determined by the following, except

(A) X-Y chromosome

(B) Barr-bodies

(C) Protein pattern

(D) Testosterone/Estradiol ratio

Ans: (C)

18. Which of the following factor is not assumed by Hardy-Weinberg equilibrium ?

(A) The population is infinitely large.

(B) Mating in non-random.

(C) No mutation

(D) No migration

Ans: (B)

19. Two arms composed mainly of DNA and held together by centromere is

(A) Gene

(B) Cell

(C) Protein

(D) Chromosome

Ans: (D)

20. A nucleotide consist of

(A) Nucleic acids, RNA and DNA

(B) Sugar, Phosphate and one of the four chemicals – A, T, G, C

(C) Messenger RNA and transfer RNA

(D) Adenine, Thymine, Guanine and Cytosine

Ans: (B)

21. Match the following :

Ans: (A)

22. Age of blood stain can be determined by, except

(A) Colour change

(B) DNA

(C) Globulin/Albumin ratio

(D) Protein patterns

Ans: (B)

23. Structure of DNA, carrier of the genetic blueprint of all biological organisms has been reported by

(A) Alec Jeffreys

(B) Muller

(C) Crick & Watson

(D) E.M. Southern

Ans: (C)

24. By which method Nicotine is isolated from alkaline solution ?

(A) Dry ashing

(B) Wet digestion

(C) Distillation

(D) Sublimation

Ans: (C)

25. Arrange in the ascending order of presence of Δ9THC in the following :

(i) Charas

(ii) Bhang

(iii) Ganja

(iv) Charas oil

Codes :

(A) (iv), (i), (iii), (ii)

(B) (ii), (iii), (i), (iv)

(C) (iv), (ii), (i), (iii)

(D) (ii), (iv), (i), (iii)

Ans: (B)

26. Wet digestion method is used for the extraction of ________ poisons from viscera.

(A) Alkaloids

(B) Pesticides

(C) Toxic heavy metals

(D) Barbiturates

Ans: (C)

27. For preparing Heroin from morphine, which of the following is used as acetylating reagent ?

(A) Acetic anhydride

(B) Sodium Hydroxide

(C) Ammonium Hydroxide

(D) Calcium Hydroxide

Ans: (A)

28. Ethanol is absorbed into blood from

(A) Stomach and small intestine

(B) Liver and large intestine

(C) Kidney and liver

(D) Stomach and large intestine

Ans: (A)

29. Which one of the following is not an insecticide of vegetable origin ?

(A) Nicotine

(B) Pyrethrins

(C) Rotenone

(D) Chlorodane

Ans: (D)

30. The important characteristic of petrol includes

(A) Anti-knock index

(B) Density

(C) Research octane number

(D) All of the above

Ans: (D)

31. Blue colour of PDS kerosene is due to the presence of which dye ?

(A) Phenyl azo-naphthol

(B) Dialkyl amino anthraquinone

(C) Anthraquinone

(D) Anthracene

Ans: (B)

32. SEMTEX is a high explosive, which is a combination of the following :

(A) Nitroglycerine and Ammonium Nitrate

(B) RDX and TNT

(C) Dynamite and ANFO

(D) PETN and RDX

Ans: (D)

33. Berdon primer is a primer

(A) within an anvil

(B) without an anvil

(C) in the form of pill

(D) primer in the centre of the cartridge

Ans: (B)

34. The diameter of 8 bore shot gun is 

(A) 0.615″

(B) 0.729″

(C) 0.835″

(D) 0.913″

Ans: (C)

35. The trigger pull of service rifle is

(A) 6 – 7 lbs

(B) 9 – 12 lbs

(C) 12 – 15 lbs

(D) 15 – 18 lbs

Ans: (A)

36. Ejector is not found in 

(a) 303 Rifle

(b) Musket

(c) Revolver

(d) Automatic pistol

Codes :

(A) (b) and (d) are correct.

(B) (a) and (c) are correct.

(C) (a) and (b) are correct.

(D) (b) and (c) are correct.

Ans: (D)

37. Chronograph is an instrument which measures the following in forensic ballistics :

(A) Temperature inside the barrel of gun

(B) Velocity of the projectile

(C) Trajectory of the projectile

(D) Angle of fire of a gun

Ans: (B)

38. Bullet that leaves a visible smoke mark on the flight is called

(A) Fragile bullet

(B) Jacketed bullet

(C) Tracer bullet

(D) Hollow point bullet

Ans: (C)

39. Fibers obtained from animals or plants may also be called as

(A) Synthetic fiber

(B) Natural fiber

(C) Manmade fiber

(D) Regenerated fiber

Ans: (B)

40. Following are the salivary glands found in humans :

(A) Parotid gland

(B) Sublingual gland

(C) Submandibular glands

(D) All of the above

Ans: (D)

41. Confirmatory test for identification of human saliva are

(i) lateral immunochromatographic strip test

(ii) Rapid Stain Identification Kit (RSID)

(iii) Phadebas test 

(iv) UV examination 

Codes :

(A) (i) and (ii) are correct.

(B) (i) and (iii) are correct.

(C) (ii) and (iii) are correct.

(D) (ii), and (iv) are correct.

Ans: (A)

42. The presence of buccal epithelial cells confirms the following :

(A) Semen

(B) Blood

(C) Saliva

(D) Urine

Ans: (C)

43. Assertion (A) : Presence of P30 confirms the seminal stain.

Reason (R) : P30 is secreted into semen by Cowper’s gland.

Codes :

(A) Both (A) and (R) are correct.

(B) Both (A) and (R) are incorrect. 

(C) (A) is correct, but (R) is incorrect.

(D) (A) is incorrect, but (R) is correct.

Ans: (C)

44. Which of the following fiber is of mineral origin ?

(A) Mohair

(B) Cashmere

(C) Asbestos

(D) Rayon

Ans: (C)

45. During spermatogenesis, the secondary spermatocyte develops into which of the following ?

(A) Spermatids

(B) Primary spermatocytes

(C) Spermatogomia

(D) Spermatozoa

Ans: (A)

46. Match the following in the soil as per Munsell colour Test :

Ans: (B)

47. _______ is a super cooled liquid which has attained so high viscosity as to be considered as solid.

(A) Plastics

(B) Glass

(C) Acrylic fiber

(D) Rayon

Ans: (B)

48. ________ is used for retarding the plaster of paris cast of foot prints.

(A) Sodium chloride

(B) Sodium bicarbonate

(C) Aluminium oxide

(D) Borax

Ans: (D)

49. Besides silica, the main constituent of Gypsum soil is

(A) Calcium carbonate

(B) Calcium sulphate

(C) Ferric oxide

(D) Aluminium oxide

Ans: (B)

50. The Refractive Index of glass can be determined by

(a) Beckeline method

(b) Abbe’s refractometer

(c) GRIM

(d) Pulfritch refractometer

Codes :

(A) (b) and (c) are correct.

(B) (d) and (c) are correct.

(C) (a) and (c) are correct.

(D) (b) and (d) are correct.

Ans: (C)

51. The following method is nondestructive technique for ink identification :

(A) Solubility test

(B) Thin Layer Chromatography

(C) UV-Vis spectrophotometer

(D) Videospectral analysis

Ans: (D)

52. Taggants in ink are 

(A) Pigment

(B) Vehicle

(C) Binders

(D) Compounds used as markers to identify ink

Ans: (D)

53. Rifling marks on fired bullet are of the following type :

(A) Cut marks

(B) Compression marks

(C) Stration marks

(D) Integrated marks

Ans: (C)

54. Wisdom teeth is also known as 

(A) Canine

(B) Lateral incisor

(C) Third molar

(D) Second premolar

Ans: (C)

55. Olecranon fossa is present in which of the following bones ?

(A) Radius

(B) Humerus

(C) Femur

(D) Tibia

Ans: (B)

56. Skull photosuperimposition technique was used for the first time in which of the following cases ?

(A) Daubert case

(B) Ted Bundy case

(C) Frye case

(D) Ruxton case

Ans: (D)

57. Foramen magnum is present on

(A) Pelvis

(B) Scapula

(C) Sternum

(D) Skull

Ans: (D)

58. Linea aspera is present on which of the following bone ?

(A) Femur

(B) Humerus

(C) Clavicle

(D) Ulna

Ans: (A)

59. Ossification of bones may be used for determination of

(A) Sex

(B) Age

(C) Stature

(D) Time since death

Ans: (B)

60. The foot prints found at the scene of crime, indicates which of the following ?

(A) Number of persons involved

(B) Height of the persons involved

(C) Entrance or exit of the persons involved

(D) All of the above

Ans: (D)

61. In which weapon Iron pyrite was used as ignitor ?

(A) Percussion lock gun

(B) Wheel lock gun

(C) Flint lock gun

(D) Match lock gun

Ans: (B)

62. To visualise the latent fingerprints, ninhydrin reacts with which of the following ?

(A) Urea

(B) Amino acids

(C) Fatty acids

(D) Sodium chloride

Ans: (B)

63. Cyanoacrylate method can be best used to visualise latent fingerprints on the following type of surfaces :

(A) Non-porous

(B) Porous surfaces

(C) Semiporous

(D) None of the above

Ans: (A)

64. To decipher indented writings, following instrument is used :

(A) Videospectral comparator

(B) Electrostatic Detection Apparatus

(C) Universal Projectina

(D) Comparison Microscope

Ans: (B)

65. Development of a classification system based on single fingerprints is credited to

(A) Henry

(B) Galton

(C) Battley

(D) Faulds

Ans: (C)

66. The book entitled “Classification and uses of fingerprints” is authored by

(A) Francis Galton

(B) Henry Faulds

(C) E.R. Henry

(D) Juan Vucetich

Ans: (C)

67. Ridge characteristics can be found in

(A) Palm print

(B) Foot print

(C) Finger prints

(D) All of the above

Ans: (D)

68. Arrange the following in ascending chronological order of their appearance :

(i) Manual type writer

(ii) Laser printer

(iii) Dot-matrix printer

(iv) Inkjet printer

Codes :

(A) (i), (iii), (iv), (ii)

(B) (i), (ii), (iv), (iii)

(C) (iii), (iv), (ii), (i)

(D) (i), (iv), (ii), (iii)

Ans: (A)

69. Match the following :

Ans: (A)

70. Match the following :

Ans: (C)

71. Lynching is commonly used for

(A) Suicidal hanging

(B) Judicial hanging

(C) Homicidal hanging without trial, by the mob

(D) All of the above

Ans: (C)

72. Following are the types of Neurosis, except

(A) Anxiety

(B) Obsessive-compulsive

(C) Psychopathic personality

(D) Depressive

Ans: (C)

73. Lie detector measures, the following parameters of an individual :

(A) Pulse rate

(B) Blood Pressure

(C) Galvanic skin Resistance

(D) All of the above

Ans: (D)

74. As per IPC (Indian Penal Code), Emasculation is classified as

(A) Assault

(B) Simple Injury

(C) Miscarriage

(D) Grievous injury

Ans: (D)

75. The homicide caused unintentionally by an act done in a good faith is 

(A) Excusable

(B) Murder

(C) Culpable homicide

(D) All of the above

Ans: (A)

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