PAPER-III
FORENSIC SCIENCE






J-82-16 1 P.T.O.


FORENSIC SCIENCE
PAPER III

Note This paper contains seventy five objective type questions of two marks each. All questions are compulsory.
1. In adipocere formation following change occurs

Body fat into soapy and waxy.


Muscle into fatty tissue.


Blood into watery serum.


Bone and tendons into gelatinous mass.


2. Which one of the following pairs is correctly matched, regarding ages of ossification of Carpal bones
List- I List- II
I. Capitate A. 3 years
II. Pisiform B. 4-5 years
III. Trapezoid C. 10 years
IV. Triquetral D. 2 months
E. 16 years

Codes
I II III IV

DC BA


AC BD


E B CD


BCA E


3. The effect of reduction in barrel length on dispersion of pellets is to

Reduce the spread


Increase the spread


No effect on spread


Reduces the spread, and open spaces are produced in the pattern.


4. Assertion The investigating officer collects physical evidence at the scene of crime.
Reason Because he is fully aware as to how to save the evidence from getting contaminated, lost or scratched.

Codes

is correct, but is wrong. Both and are correct.


is wrong, but is correct. Both and are wrong.



5. Which type of microscopy uses sequential processing

Fluorescence Microscopy Simple Microscopy


Scanning Microscopy Stereo Microscopy


6. In the case of a country-made firearm firing shot-gun cartridge, a test cartridge case is to be fired to obtain clear impression of breech-face marks. It can be done by

Reducing the load of shots.


Reducing the amount of propellant.


Loosening the crimp of the cartridge.


By oiling/lubricating the paper portion of the cartridge prior to firing.


7. A minimum pressure of required to completely occlude jugular veins.

500 gms 2 kg


10 kg 30 kg


8. A forensic dentist has used following notation to describe dental status of a deceased
V IV III II I
I II III IV V
V IV III II I
I II III IV V
Which of the following notations has he used

Zsigmondy


Palmer


Modified FDI


Diagrammatic


9. Which one of the following pair is correctly matched regarding closure period List- I List- II
I. Umbilical arteries A. 7-10 days
II. Left umbilical vein B. 10 hours-3 days
III. Ductus arteriosus C. 2-3 months
IV. Foramen ovale D. 3-5 days
Codes
I II III IV

C D A B


B D A C


C A D B


A C D B


10. Which of these following methods is used to detect urea in a urine sample

Urastrat TLC


PCR SDS PAGE


11. Which of these fibres is not derived from plants

Cotton, Polyester Nylon, Coir


Flax, Ramie Wool, Silk


12. Assertion The refractive indices of glass fragments are compared by the Beckeline Immersion Method.
Reason If a piece of glass is immersed in a liquid whose refractive index matches that of glass, then the glass should be invisible because the light that passes through the glass would have the same refractive index as the liquid and our eyes would not be able to detect any difference.
In the context of the two statements, which one of the following is correct
Codes

is correct, but is wrong Both and are correct.


is wrong, but is correct Both and are wrong.


13. Which of the following is most appropriate

Each similar item collected at different locations can be packed in one container.


Each different item collected from one place can be packed in one container.


Each and every item collected from different locations can be packed in one container.


Each and every item collected from different locations should be packed in a separate container.


14. At a scene of crime, a victim was found having star-shaped tearing on the right temple. The revolver was in the hands of the victim. It has to be decided whether it was a case of homicide or suicide. In this connection, which of the following is correctly matched
List- I List- II
I. Contact Shot A. Homicide or Suicide
II. There is a live cartridge at 12 O'clock position B. Homicide
III. There is gun-shot residue present on the web C. Suicide
portion of right hand and trigger finger of victim.

IV. There is mark of burning on the back of right
hand of the victim.
Which one of the following is pointing to appropriate decision

Codes
I II III IV

BA CB


AB CB


AB BC


BA CB



15. The explosives known as C-3 and C-4 are based on

RDX PETN


HMX Nitroglycerine


16. Which one of the following is correctly matched
List- I List- II
(Profession) (Characteristics)

I. Tennis Players A. Blackening of skin which does not wash off.
II. Battery chargers B. Fibromatous modules overlying finger joints.
III. Boxers C. Scars on back of hands.
IV. Black smiths D. Calcaneal petechiae
Codes
I II III IV

AD BC


BA CD


C B A D


DA BC


17. When questioned and known shoe prints sufficiently match with no unexplainable difference, the opinion given be termed as

inconclusive elimination


individualization association


18. Tardieu's spots are most commonly associated with

Asphyxia Still-borns


Death due to firearms Putrefaction


19. Collection of blood in subcutaneous tissue is called

Lacerated wound Chop wound


Bruise Stab wound


20. The process of breaking the molecules of a chemical into atoms under pressure, the atoms recombining to form gases the whole phenomena taking place with extreme rapidity is called

Brisance Burning


Deflagration Detonation




21. Assertion First time introduction of some constituent in paper manufacturing may aid to ascertain the age of a document.
Reason Forensic chemist can ascertain at least that time before which the paper could not have been manufactured.
Codes

is correct, but is incorrect. Both and are incorrect.


Both and are correct. is correct, but is incorrect.


22. Arrange the following rulings related to fixing the criminal responsibility on the basis of their order of postulation. Use the code given below
I. Irresistible impulse test II. Currens rule
III. Wild beast test IV. McNaughten rule
Codes

III, II, IV II, III, IV


III, IV, II IV, II, III


23. The criteria for penetration of a projectile in human body depends upon

Energy of projectile at the time of impact divided by area presented by projectile to body.


Momentum of projectile at the time of impact divided by area presented by projectile to body.


Impact energy of the projectile.


Momentum of projectile at the time of impact.


24. In mixed dentition, the number of teeth are

Always 16 Always 24


16-24 20-32


25. CYP2A6 is the metabolizing isoform of cytochrome P450 for

Caffeine Nicotine


Diazepam Codeine


26. Assertion The major advantage of scanning electron microscope is improved
resolution and depth of field. Reason Scanning microscope is characterized by sequential processing system.
Codes

Both and are correct. Both and are incorrect.


is correct and is incorrect. is incorrect and is correct.



27. About human femur
I. Caput collum diaphyseal angle in males is 125°.
II. Popliteal length in males is 145 mm.
III. Bicondylar width is males is 78 mm.
IV. Trochanteric oblique length in males is 390 mm.
Codes

II and III are correct. I and III are correct.


III and IV are correct. I and II are correct.


28. "Erethism" is seen in

Lead Poisoning Mercury Poisoning


Arsenic Poisoning Iron Poisoning


29. Which WADA guideline specify the procedure for breath alcohol testing

WADA-2003b WADA-2004a


WADA-2006b IFHA-2007


30. Single solvent extraction and sequential solvent extraction techniques are used for which of the following

Estimation of the age of paper.


Estimation of the age of ink writings.


Separating the constituents of the ink.


Separating the constituents of the paper.


31. a-nephthoflavon is used for fixing which of the following

Latent finger prints developed with iodine.


Latent finger prints developed with ninhydrin analogues.


Latent finger prints developed with gold nano-particles.


Latent finger points developed with physical developer.


32. Regarding month-wise development of foetus which of the following is correctly matched List- I List- II
(End of Intrauterine (Developmental feature)
months)

I. 2 A. Finger nails reach tips of fingers.
II. 4 B. Eyebrows and eyelashes appear.
III. 6 C. Sex is distinguishable externally.
IV. 8 D. Hand and feet are webbed.
Codes
I II III IV

DC BA


AD BC


B C A D


CA BD




33. In NMR, the nucleus of hydrogen atom behaves as a tiny spinning bar magnet as it possesses.

Only mechanical spin


Only electric charge


Both electric charge and mechanical spin


Due to geomagnetic property


34. Which of the following is correct In the Miguelet version of Flint Lock firearm, there is

External sear arrangement through lock-plate, frizzen and pan cover are separate.


External sear arrangement protruding through lock-plate, frizzen and pan cover are integral.


Internal sear arrangement, frizzen and pan cover are separate.


Internal sear arrangement, frizzen and pan cover are integral.


35. To ascertain if the pieces of paper were part of the same paper, which of the following tests is the most suitable

Chemical test of the paper


Physical fit test of the paper


Thickness of the paper


Colour of the paper


36. Obliteration can be defined as

Washing of the writing with detergent.


Smearing over of the writing with a coloured fluid.


Removing the writing mechanically.


Preparing a writing with secret ink.


37. In a road side vehicular accident police brings the body of victim for autopsy. The type of autopsy performed is

Clinical autopsy


Medicolegal autopsy


Anatomical autopsy


None of the above


38. Assertion A simple lens constructed from a single piece of glass exhibits several aberrations that reduce its performance.
Reason These aberrations are corrected in design of modern lenses which are constructed using elements of different materials and carefully calculated curvature.
Codes

Both and are correct.


Both and are incorrect.


is correct and is incorrect.


is incorrect and is correct.


39. Which one of the following pairs is correctly matched List- I List- II
I. Inadmissibility of A. Qualifications, research experience, number
scientific evidence. of cases examined in FSL, number of publication in peer-review journal of the forensic expert should be brought on record.
II. Examination in chief B. Expert should remain professionals on the witness box at all the times.
III. Cross-examination C. Evidence based on inference.
IV. Circumstantial D. If it comes to light at any point of time during
evidence trial that the authenticity and integrity of the evidence has not been maintained.
Codes
I II III IV

AD B C


AD C B


DA B C


DA C B


40. To find the range of firing beyond powder range, which of the following is true

It cannot be determined.


It can be determined from spread of bullet elements around the suspected gun-shot holes in clothes.


It can be determined from spread of elements from priming mixture around the suspected gun-shot holes in clothes.


It can be determined by quantitation of elements from priming mixture around the suspected gun-shot holes in clothes.

41. The Brentamine fast Blue B reagent is the major test to determine

Saliva Feces


Seminal fluid Urine


42. Which one of following pairs is correctly matched
List- I List- II (Test done) (Name of test)
I. Absolute weight of both lungs. A. Breslau's test
II. Floatation of lungs in water. B. Plocquet's test
III. Lung/Body weight ratio C. Fodere's test
IV. Floatation of stomach intestine. D. Raygat's test
Codes
I II III IV

A B D C


DC BA


CD BA


BA CD


43. Assertion Athletes often show black discoloration of toe nail. Reason It is due to subungual hematoma resulting from repeated minor trauma to
the nail plate.
Which of the following is correct

Codes

Both and are true and is the correct explanation.


Both and are true, but is not the correct explanation.


is true, but is false.


is false, but is true.


44. Which of these gives hair its colour

Cortex Medulla


Cuticle Both cortex and cuticle


45. Forensic palynology is the study of

Fossils Insects


Snakes Pollens




46. The Floatation method of comparison of densities of two glass fragments uses two miscible liquids, which are

Both the liquids are less dense than glass.


Both the liquids are more dense than glass.


One is more dense and the other is less dense than glass fragments.


Two immiscible liquids are used.


47. For comparison of soils, the density gradient method is used. This method uses two liquids, tetrabromoethane and ethanol. Here

Both the liquids are completely mixed together.


The liquids are mixed so that each successive layer has a density higher than the preceding one, from bottom to top of the density gradient tube.


There may be 6 to 10 layers in which at the bottom there is ethanol and at the top there is tetrabromoethane.


There may be 6 to 10 layers in which the bottom layer is pure tetrabromoethane and the top layer is pure ethanol.


48. Assertion HLA Class I II proteins are transmitted according to Mendelian law of inheritance.
Reason HLA are a group of highly polymorphic glycoproteins on the surface of leucocytes.
Codes

Both and are correct.


is correct, but is incorrect.


Both and are incorrect.


is incorrect, but is correct.


49. Soil evidence is a challenge to Forensic Scientists because soil profiles may differ

After 100 feet After 60 feet


After 50 feet Within a few feet itself


50. The separation between striations of striated tool-marks caused by a sharp edged cutting tool change with

Angle of tilt


Angle of progression


Plain surface on which the tool acts


Teeth on cutting edge



51. Consider mandible in relation to age.
I. Angle of Ramus with body is 140° in infancy.
II. Mental foramen is near the alveolar margin in old age.
III. Condyloid process projects above coronid process in adult.
IV. Ramus is longer and straight in infants.
Codes

II and III are correct. I and III are correct.


III and IV are correct. I and II are correct.


52. Projectile loaded in a Glazer cartridge is a

Multi-shot bullet Rotax


Paradox projectile Paraconical bullet


53. What kind of supporting media we can prepare for electrophoresis by cross-linking N­methylenebisacrylamide

Agarose gel Polyacrylamide gel


Sephadex gel Starch


54. A dichroic mirror is an incorporation of optical accessory in

Electron microscope Stereo microscope


Fluorescence microscope Simple microscope


55. Assertion Presence of vaginal epithelial cells on the male genetalia is conclusive of sexual intercourse.
Reason These cells can be detected by lugol iodine test.
Codes


Both and are correct. is correct, but is incorrect.


Both and are incorrect. is incorrect, but is correct.


56. The starting material for preparing sephadex gel to be used in electrophoresis is

Agarose Natural linear polysaccharide


N,N'-bisacrylcystamine Starch


57. Reflux of ergotamine tartrate with potassium hydroxide solution and hydrazine in an alcohol-water mixture produces.

Heroin


Lysergic acid


Methylenedioxymethamphetamine


Cocaine



58. Match the following List- I List- II
(Drug Class) (Recommended mobile phase for TLC using Silica Gel

Cannabis Methanol-25% ammonia (100 1.5


Amphetamines Acetone


Anabolic steroids Hexane-Diethyl ether (80 20


LSD Methylene chloride-Diethylether-methanol­water (77 :15 1.2


Codes














59. Who authored the book titled 'Footwear impression evidence'

Butled, J. Fisher, J


Bodziak, W.J. Taylor, K.T.


60. Which of the following is the correct expanded form of term ASCLD

American Society of Crime Laboratory Directors.


American Society of Clinical Laboratory Directors.


Australian Society of Clinical Laboratory Directors.


Australian Society of Crime Laboratory Directors.


61. Assertion Characterizing body fluid stains by absorption-elution typing for ABO group was once a most significant advances in forensic serology, but not preferred in recent times.
Reason Introduction of DNA fingerprinting technology in forensic work. Codes

Both and are correct.


is correct, but is incorrect.


Both and are incorrect.


is incorrect, but is correct.


62. Prolonged transition from sleep to waking with partial alertness, disorientation and drowsiness is best known as

Somnambulism Somnolentia


Fugue Delirium



63. S-376-A IPC relates to which of the following

Rape resulting in death or persistent vegetative state.


Rape by a husband of his wife's sister.


Gang rape.


Punishment for repeat offenders of rape.


64. Law presumes that every person is sane and the burden of proving mental illness is on him. This is according to which of the following

S. 84 IPC S. 85 IPC


S. 105 IEA S. 328 CrPC


65. Assertion The presence of blackening around a suspected gun-shot hole on dark coloured clothes can be revealed by infrared photography.
Reason This is so when the dye of the clothes is not too opaque to infrared rays whereas the blackening is. The photograph gives the required contrast.
In the context of the two statements, which one of the following is correct
Codes

is correct, but is wrong Both and are wrong.


Both and are correct. is wrong, but is correct.


66. Which one of the following is correctly matched
List- I List- II
(Profession) (Characteristic)

I. Brick-layers A. Blue scars over hands and face.
II. Carpenters B. Depression on the sternum.
III. Coal miners C. Flattening of thumb and index finger.
IV. Shoemaker D. Callosities of thumb, index finger and palms.
Codes
I II III IV

AD BC


BA CD


C D A B


DC BA



67. Which one of the following pairs is correctly matched List- I List- II
I. Section 45 of the Indian Evidence Act. A. Refreshing memory.
II. Section 46 of the Indian Evidence Act. B. Facts bearing upon opinions of experts.
III. Section 51 of the Indian Evidence Act. C. Expert witness.
IV. Section 159 of the Indian Evidence Act. D. Grounds of opinion, when relevant.
Codes
I II III IV

C B A D


C A D B


C D A B


C B D A


68. Which one of the following pairs is correctly matched List- I List- II
I. A fine powder insoluble in the medium in A. Paint
which it is dispersed.

II. Clear solution of oils and organic or synthetic B. Pigment
resins in an organic solvent.

III. A suspension of a pigment in a liquid vehicle C. Varnish
or any surface coating designed for protection
and/or decoration of a surface.

IV. Clear or pigmented coatings that dry quickly D. Lacquer
through evaporation of solvent.

Codes
I II III IV

B C D A


B C A D


C B A D


C B D A


69. Which one of the following pairs is correctly matched List- I List- II
(Old term for intersex related (New term for intersex
term) related term)

I. Male Pseudo hermaphrodite A. Ovoteslicular DSD
II. XX male B. 46 XX DSD
III. True hermaphrodite C. 46, XY DSD
IV. Female Pseudo hermaphrodite D. 46, XX testicular DSD
Codes
I II III IV

A B D C


C D A B


D B A C


B D A C



70. Let and be the angles of incidence and angle of ricochet respectively when a bullet ricochets from a wall, and let and be the angles of incidence and angle of ricochet respectively when a bullet ricochets from a metal surface.
Which of the following is most appropriate
r<iand r<iand r<i
1 12 2 1 12 2
r>iand r>iand r<i
1 12 2 1 12 2
71. Transitory defects in a type script is caused by which of the following

Clogging of the type face Bending of the serif


Vertical Alignment Pitch of the type-writer


72. Which of the following is true about repetitive marks

These are repetition of compression marks caused by striking same tool with force on different surfaces.


These are repetition of striated marks caused by the cutting edge of a tool when the same tool acts again on a surface.


These are repetition of compression and striated marks caused by a tool when the same tool acts again on a surface.


These are caused by the repeated action of the same tool on a surface.


73. Thallium activated sodium iodide, lithium drifted germanium detector are associated with

NMR NAA


X-Ray Electron microscopy


74. In 1948 Nobel Prize was awarded for his contribution to chromatography

Martin and Synge Tiselius


Flodin and Porath Taylor and Urey


75. Which one of the following detectors is not a non-destructive detector when coupled to the HPLC

UV detector Fluorescence detector


PDA detector Eloectrochemical detector