TNPSC 2019: ASSISTANT SUPERINTENDENT IN VARIOUS DEPARTMENTS, Forensic Sciences
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Sl. No. : ASFS|1-g
*"f::lz;
2019
FORENSIC SCIENCE
(P.G.Degree Std.)
Time Allowed:3 Hoursl
[Maximum Marks : 300
Read the following instructions carefully before you begin to answer the questions.
IMPORTANT INSTRUCTIONS
1. The applicant will be supplied with Question Booklet 15 minutes before commencement
of the examination.
2. This Question Booklet contai.ns 200 questions. Prior to attemptrng to answer, the
candid.ates are
requested to check whether all the questions are there in series and ensure
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If any defect is noticed in the Question goot<let after the comrnencerrrent of euestion Booklet.
exarnination, it
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-Answer
D. all questions. All questions carry equal marks.
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write anything else on the Question liooklet.
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:T=Irl7
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the Commission may decide at their discretion.
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SPACE FOR ROUGH WORK ASFS/I9
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1. Impression ieft on papers positioned under a piece of paper of on which writing is done is
called
,6 indented writing (B) over writing
(C) specimen writing (D) admitted writing
2, Serif is a term that can be related to
(A) HPLC (B) Emission spectra
(C) X-ray diffraction .gf Typewriter
3. The principles used in the examination of typewriting are
(A) Class characteristics
(B) Individuai characteristics
,glt Class and Individual characteristics
(D) General characteristics
4. The Diacritic is
(A) the font in the typewriter
(B) the capitai ietter used in English language
,d the dot placed over the main strok e of i'
(D) the photocopy of a handwritten document
5. Diachronic filters are used in i4vestigating forged documents to study
rAr pencii wrirings ,f/ ink strokes
(C) paper material 0J) font
6. Indented writings are best detected and deciphered by using
(A) uv
(B) rR
(C) Photographic techniques
.Jff Side lighting techniques
ASFS/I9
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7 . The principal effects of aicohol are on the
(A) digestive system
ttf CNS system
(C) circulatory system
(D) respiratory system
8. Pure methyl alcohol is also known as
(A) chloroform
(B) ethyl alcohol
,p/ woori alcohoi
(D) bubanal
9. The amount of alcohol present in the blood is directly proportional to the concentration of
alcohol in the
(A) Heart
.ftf Brain
(C) Lungs
(D) Liver
10. Opium is the coagulated air-dried latex Trice obtained by incision of the unripe capsules of
the white poppy
,lJf Pap averi somniferous
(B) Narium odorum
(C) Cerabra theretia
(D) Datura Fastulosa
11. A technique more specific than colour test in the detection of drugs is
gf *rcrocrystalline te st
(B) Tactile examination
(C) Solubility test
(D) Naked eye examination
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' 12. Wood spirit is nothing but
(A) Rectified sprit (B) Methylated sprit
,f Methvl alcohol (D) Denatured alcohol
13. Lysergic acid diethyl amide (LSD) is
(A) Hypnotics Hallucinogens
(C) Depressant (D) Stimulants
L4. For identifying the drugs from the tissues and organs, the most widely used confirmation
tests is
(A) Thin - layer chromatography
(B) Gas - chromatography
(c) Immunoassay
ef Gas chromatography - mass spectrometry
15. Indian opium yields the following percentage of morphine
(A) 0.5 to r% (B) 3.9 to 7.6%
{tf e5to r4.2% (D) r.8 to 4%
16. Mlhich of the followins is used in Arrow noisons?
(A) " Sulphuric acid (B) Mercury
(C) Copper sulphate ,Ff Curare
17 . S4rich of the following pair is not correct?
(A) Snake venom - Proteolytic enzyme'
(B) Nitric Acid - Corrosive poisons
(c) Alcohol - CNS Depressants
,F Gasoline - Metallic poison
18. Which is not obtained from plant?
(A) Camphor
(B) Cannabis
(C) Coca.ine
,y/ unrorProm azrne
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19. Hish explosives are classified as
C Initiating and non-initiated. explosives
(B) Terminatingandnon-terminatingexplosives
(C) Progressive and non progressive explosives
(D) Both (A) and (B)
20. Name the three categories of explosives.
,rf Commercial, military and improvised type
(B) Airgun, Shotgun, canon
(C) Agglutination, precipitation, HLA typing
(D) Nerin, Cleistanthin, Thevitin
21. The technique of produces a unique absorption spectrum for an organic
. explosive.
(A) IIV spectrum
€ IR spectrum
(c) HPTLC
(D) Gas chromotograph
22. Smokeless powder is made up of
a#f Nitro cellulose and nitro glycerine
(B) Sodium nitrate, sulphur and carbon
(C) Sulphur and phosphorus
(D) Phosphorus and carbon
23. A finger print is an
,Uf individual characteristic
(B) group characteristic
(C) class characteristic
(D) common characteristic
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24. The expiosives that burn at rates upto 20,000 ftlsec are said to detonate and are classified as
(A) Low explosives (B) - Molotov Cocktain
(C) iED ,gfHigh explosives
25. The information that is derived from the colour of the flames and smoke in a fire scene is an
example of
(A) Conditional evidence
(B) Pattern evidence
-f Transient evid.ence
(D) . Transfer evidence
26. Usual profile of an Arsonist is
,Uf Introverts, Inf'erio.rity complex
(B) Extrovert and superiority complex
(C) Mentaily itl
(D) Courageous and bold
27. A saturated cyclic compound. containing only carbon and hydrogen is
(A) Cycloaldehydes
(B) Cycioketones
{ff Cycloalkanes
(D) Cyclomethanol
28. During the burning of methane gas we get
CHn +2O, * >CO, + 2H2O
methane oxysen water
;il*:
by the process of
€ oxrciatron (B) reduction
(C) hydration (D) sublimation
29. marks are found on the fractured surface where there has been a relatively
high stress.
(A) Concentric marks (B) Radial marks
(C) Striations ,t l Hackle marks
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30. The penetration of glass by a projectile whether it is a bullet of stone produced a familiar
fracture pattern
(A) An existing line of fracture
gf Radial fracture
(C) Radial cracks
(D) Refractive index of glass
31. is a hard, brittle amorphous substance that is composed bf silicon oxides mixed
with various metal oxides.
(A) Fiber
(B) Paint
€ Gtass
(D) Soil
32. Rib marks on the cross section of concentric fracture gives information about the
,Gf from which side fracture opens
(B) nature of the glass
(C) velocity of the projectile
(D) source of heat
33. The sound spectrograph was first developed at Bell Telephone Laboratories in
year.
(A) 1e38
(B) re40
t{ ront
(D) 1e42
34. The discrimination betWeen hues in forensic paint comparison is normally accomplished by
(A) IrV iight
.g/ Stereoscopic binocular microscope
(C) IR light
(D) Oblique light
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35. The acrylic lacquer paints can readily be distinguished from other classes by their solubility
in
,l/ Acerone
(B) Acetic acid
(C) Chloroform
(D) Dichloromethane
36. The two most important components of dried paint from the criminalist's point of view are
and the
(A) Colour, Pigment
(B) Emulsion, Thinner
(C) Solvent, Colour
,JPf Pigment, Binder
37. The layer that provides corrosion resistance for the automobiles is
,#/ Electrocoat primer (B) Primer surfacer
(C) Base coat (D) Clear coat
38. A comparison of the d.ensity of soil particles is done by which of the following metho-d?
(A) glass tube
,gf densit5,- gi'a dient tube
(C) mineral
(D) flotation method
39. The initial growth phase of hair is known as
(A) Carcinogen (B) Fibrinogen
,1P/ Anagen (D) Telogen
40._fibersarederivedfromanimaIorplantSource.
(A) Man made fiber
(B) Polymers
,pf Natural fibers
(D) Syniheiic fibers
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4L. The two most popular confirmatory tests namely Takayama and teichmann microcrystalline
test are associated with
(A) Semen {"r*u
(C) Saliva (D) Sweat
41-. Blood can be characterized as being human origin by the test.
(A) ^ Luminol test
Vf ^, PreciPition test
(C) Kastlemeyar colour test
(D) Benzidin test
43. The existence of more than one form of a genetic trait is known as
V Polymorphism
(B) Absorption
(C) Elution
. (D) Agglutination
44. Shich of the following is correctly matched
(A) Bast (stem) fibres Manila, sisal
(B) Leaf fibres Flek, Hemp
(c) Hair fibres Bombyx morr
tlr" Seed fibres Cotton and coir
45. The following methods provide most reliable conclusion in case of disputed paternity
(A) HIA typins
(B) Cloning
,p/r*ofinger printing
(D) Ordinary finger printing
46. Y-STRs are found only in
(A) Mothers
(B) Females
gf Males
(D) Daughters
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47. Postportem changes that causes a body to lose heat
.t
\{5 Algor Mortis (B) Livor Mortis
(C) Rigor Mortis (D) Autopsy
48. The first treatise describing the application of scientific disciplines to the field of criminal
investigation was
(A) Albert S. Osborn (B) Calvin Goddard
$t/ Hans Gross (D) Francis Galton
49. Which of the following is associated with processing crime scenes and is often summarised as
,fft:,:;:i:ffiirj'"""" (B) rrace evidence p.i.,.rpr"
(C) Bertillon's principle (D) Lacassagne's principle
50. The examination of fine arms, discharged bullets cartridge cases, shotgun shelis and
ammenition of all types is conducted by the
(A) Biology unit ' (B) Toxicology unit
g ,.qire a.'ms unit (D) Poiygi'aph unit
51: The appiication of science to law describes
(A) Pathoiogy (B) Psychology
(C) Odentology rorensic science
"gf
52. Who popularized scientific crime detetion method through his fictional character long before
their value was first recognized and accepted by real life investigators.
(A) Sherlock Holmes
(B) Edmond Locard
{r/ Sir Arthur Conan Doyle
(D) Hans Gross
53. Human skeletal remains for identification and examination to reveal the identity of the
ind{iduai should be submitted to the following division of Forensic Science Laboratory.
,Gf Anthropology (ts) Serology
(C) Riology (D) Toxicology
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54. which was the headquarters of the first chief Inspector of explosives?
(A) Madras
.t / Nagpur
(C) Lucknow
(D) Pune
55. Srhere was the first serology department was established?
a(/ ualcutta
(B) Bombay
(C) Delhi
(D) Madras
I
56. In which year ballistic laboratory was set up in India?
(A) 1s48
(B) 1e15
ytl? ,v,tu
(D) 7s54
57. Where was the first computer forensic laboratory established in India?
(A) Bombay
(B) Calcutta
(C) Delhi
-a
Jtf
v Hvderabad
58. When was the use of DNA as a scientific tool in forensic medical examination has been
statutorily acknowledged?
(A) 2008 (B) 2000
(c) 2or2 2006
59. A likely sequence of events, evaluation physical evidence, statements made by people
involved supports
,6 Crime-scene reconstruction (B) Dramareconstruction
(C) Office reconstruction (D) Instrumentreconstruction
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60. Choose the right answer
Basic principles of finger print are
{t/ Accuracy permanency, individuality
(B) Permanency.variety,flexibility
(C) Transparency, adoptability, permanency
(D) Persistency,variety,flexibility
61. The ridges running from one side to the other making no backward turn is known as
(A) Composite pattern
(B) Loop pattern
,t / Arch pattern
(D) Whorl patLern
62. Dust foot wear marks on the hard floors are lifted with
ad Electro static lifting device
(ts) Holograph
(C) Laser
(D) Shellac spray
63. Gait pattern is not studied by
(A) Foot line
(B) Length of step
(C) Width of step
,rf nocx ctrmorng
64. The chemical used in the super glue fuming technique for developing finger prints is
(A) Cyano polyester
(B) Cyano polyesterate ester
(C) Cyano polyethylene ester
,tP/ Cyano acrylate ester
L3
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65. Fingerprints registered on pliable materials.are called
(A) Latent prints
(B) Visible prints
ft/ Plastic prints
(D) Eliminative prints
66. A useful record for studying the gait pattern and noi common in India is
.tfia Photogrammetry
(B) Molography
(C) Laser trajectory
(D) ESDA
67.Researchontheextraneousmateriaisthatadherestothefootwearhasshowsthat-
is commonly found on the footwear to an extent of 3Z percent
(A) Plant materials
(B) Gravel / Sand
' (C) Metal fragments
'' Glass particles.
{Ff
68. A finger print made by the deposit of oils or perspiration which is invisible to naked eye.
fflatent finger print (B) Naked finger print
(C) Looped finger print (D) Arched finger print
69. As a rule of thumb, the spread in the pattern made by 12- gauge shotgun is increased 1 inch
for every of distance from the tarset.
(A) 1 feet (B) I meter
(C) 1 decimeter .Fr yard
1
70. The diameter of the gun barrel is known as
(A) Bore
€ uaroer
(C) Rifling
(D) Grooves
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7I. Tool marks are encountered in the following cases
(A) Murder cases
(B) Suspicious death cases
(C) Drowning cases
,plt Burgiarv cases
72. Prying action of a tool will cause
(A) Abrasions (B) Striations
,t / Indented.impressions (D) Fissures
73. The size and shape of a tool will always reveal important
a*f ulass characrerrsncs
(B) Individual characteristics
(C) Minute ridges'
(D) Specific irregularities
7 4. The itientifications of a particular iool is possibie only with the
(A) Indentation marks
(B) Striation marks
(C) Graze marks
€ *rnute imper.fecrions
75. The most suitable acid used in the etching reagent for steel surface is
(A) Aqua regia
,gf Hydrochloric acid
(C) Nitric acid
(D) Commercial sulphuric acid
76. The is the original part of the bore left rifling grooves are formed.
,tf La'ds
(B) Caliber
(C) Rifling
(D) Gauge
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77. The three printing processes typically used in printing bank notes an
(A) letter press, intaglio, screen
4rf intaglio, typographic, offset
(C) wet offsel, le[ter press, vignettes
(D) dry offset, typographic, vignettes
78. Shat is the commonly used metal in bullet manufacture?
€ Lead alloy
(B) Stainless steel
(C) Silver
(D) Antimony
79.' Retention factor (Rf) is a measure of
(A) Distance traveiled by the solute
(B) Partition co-efficient
,r
(c) Distance travelled by the solvent
Ratio of the distance travelled by the solute and solvent
80. Permits rapid separation of complex mixtures in the individual compounds and allows
identification and quantitative determination of each compound
(A) AAS
g/ cc
(C) MS
(D) ICPAES
81. Tin has as many as number of isotopes.
(A) 4 (B) 6
(c) 8 ,gf,o
82. Mlhich one of the instrument is not ideal for organic analysis of a subspace?
(A) GC
(B) Spectrophotometer
(c) IR Spectrophotometer
.IPf NAA (Neutron Activation Analysis)
1.6
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83. Which fueVoxidant mixture used in flame atomizer provides the iowest temperature flame?
(A) Hydrogen/Ai
(B) Acetylene/Nitrous oxide
^
tJtf Propane/Air
(D) Acetylene/Oxygen
84. is an Instrument used to measure and record the absorption spectrum of
a chemical substance.
(A) HPT,C
(B) cc
(C) MS
,yf SPectroPhotometer
85. An analytical method. for identifying a substance by its selective absorption of different
wavelength of light is
(A) diffraction
(B) grating
(c) chromatography
{2/ spectrophotometry
86. D-Line is a term related to
(A) Tube light
,gf Sodium vapour lamp
(C) Kerosene lamp
(D) LED
87. The nuclear reactor is a source of
(A) Electron
(B) Proton
(c) Atom
"F Neutron
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88. Fili in the blanks:
The process of determines a substances physical or chemical identity
with an near absolute certainity as existing" analylical techniques will permit
(A) transport g/tdenhification
(C) collection (D) probability
89. Process of determining if two or more objects may have a same origin
(A) Individualcharacteristics.
(B) Class characteristics
comparison
"r/
(D) Product rule
90. Corroborative evidence is that
,6 Supports other evidence
(B) Associates an individual with another individual
(C) Links an individual with a particular location
(D) Rebuts other evidence
9i. Locard's principle says
VT Mutual contact:Ieaves traces
(B) Mutual contact cannot leaves traces
(C) Only victim leaves traces
(D) Only accused.leaves traces
92. Most physical evidence collected at the crime site will require the accompanying submission
of materials for companission purposes.
.tf Control (B) Photographs
(C) Sketches (D) Trace evidence
93. There is always a transfer of materials whenever two objects into contact is
(A) Bertillons principle
(B) Probability theory
,f Locards principle
(D) Statistical theory
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94. \Mhat is substrate control?
{t/ controls collected adjacent or ciosed to areas where physical evidences deposited
(B) control collected at the area where physical evid,ence is deposited
(C) controls collected at the laboratory
(D) controls collected at the police station
95. The frequency ofoccurrence ofan event is called
(A) Certainty
,lp/ Probability-
(C) Individualcharacteristics
(D) General characteristics
96. Photography with ultraviolet rays is used to reveal all except
(A) stains analysis
(B) paints analysis
(C) difference in paper analysis
,gf charred document analysis
97 . Mlhere did you collect the control sample of hair, blood and semen for forensic comparison?
(A) at the crime scene
ft/ from respect
(C) from laboratory
(D) from police personnel
98. Evidence that can be associated with a common source with an extremely high degree of
probability is said to possess
{t/ individual characteri stics
(B) generalcharacteristics
(C) specific characteristics
(D) group characteristics
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99. Charred Documents contents can be revealed by using
f/ Infrared photography (B) Ultraviolet photography
(C) Normal photography (D) X-Ray photography '
100. Can the author of a traced forgery be identified?
(A) by comparing the forger's hand.writing with the traced forgery
(B) by comparing the forger's signature with the traced forgery
(c) by comparing the forger's cheque with the traced forgery
,g? not possible
101. 'Grtide Lines'is a term associated with
gf traced forgery (B) freehand forgery
(C) simulated forgery (D) genuine signature
I02. Normal or usual deviati.ons found between repeated specimens of any ind.ividual
handwriting are cailed
(A) forged variations natural variations
(C) erased variations (D) chemical variations
103. is defined as a deliberate change of normal writing habits and is used
whenever the author wants to hide identity.
.gf disguised writing (B) copybook writing
(C) authentic writing (D) rhythmic writing
104. A deliberate departure from normal handwriting habit is
(A) illegible (/aisgutse
(C) specimen writing (D) admitted writing
105. Who is recognized as the father of documents examination?
-i Albert S. osborn (B) Palmer
(C) Zaner-Bloser (D) Maclean
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106- Freehand drawings which copy a model signature are termed as
(A) Modern forgery (B) Simple forgery
,lt/ Simulated forgery (D) Traced forgery
L07. overwriting and crossing out in Document examination is called
(A) Indented writing
(B) Erasure
,{r/ obliteration
(D) Alteration
108. Identifying characteristics for type and manufacture of paper
(A) Book Marks (B) Bullet Marks
(C) Pencil Marks gp/w"ter Marks
109. This types of hand writing is not a class characteristic of a letter desisn
(A) Capital g/uuorr"
(C) Numeral (D) Copy Book
110. Typewriting samples in the document.problems can be handled with
(A) Comparison microscope
gf stereo microscope
(C) IR conversion microscope
(D) Student microscope
111' Handwriting characteristics, habits (or) mannerisms peculiar to an individuai is called
(A) Embeilishment
(B) Speed of writing
(C) Idolize writing
g Idiosyncrasies
2L
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172. A combination of heroin and Cocaine is known as
(A) Crack
9/ Speed bails
(C) Dope
(D) LSD
113. As the alcohoi is circulated by the blood stream the body proceeds at once to begin the Fast
ofeliminationitspIoceSSintwomechanismsnamelyand-.
(A) Breath and dilution
(B) Sweat and oxidation
(c) Excretion and breath
,€ Oxidation and excretion
714. The following substance is not obtained from plant cannabis sativa
(A) Ganja
^
97 Nlorphine
(C) Charas
(D) Bhang
115. 'Flashback phenomenon' is unique in
(A) Morphine (B) Ketamine
,gf LSD (D) Ganja
116. Ricinus communis is a
(A) Metallic poison
(B) Chemicai poison
gf Vegetable poison
(D) Drug
1I7. Which is wrongly matched?
(A) Strong Acids - Salicylates
(B) Weak Acids , Barbiturates
(C) Neutrai Acids - Meprobamate
{P" Amphoteries - Phenothiazines
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118.TheInvestigationofpoisondeathsisoftenmadedifficultby-
(A) Lack of knowledge
,f Resemblance of the systems of some poisoning to those of some diseases
(C) Lack oftesting procedures
(D) Paucity of funds.
119. The specific rest applicabie to the cases of cyanide poisoning is
(A) Reinsch test
(B) Montiqui's test
-O/ Prussianbiue test
(D) Diphenylamine teSt
I20. Depending upon the energ"y input and the physical properties of the explosive composition
is formed.
(A) Radiation
V Hotspots
(C) Friction
(D) Energy
121,. Explosive substances which on initiation decompose via the passage of shockwave are called
€ Detonators
(B) Fuses
(C) Propellents
(D) Ignitors
122. Which of the following statement regarding "Plastic Explosives" is true?
(A) Plastic explosives are made by plastic material
(B) Plastic explosives are primary explosives
(c) Plastic explosives cannot be detected even by explosive sniffer dogs \
.y Plastic explosives are secondary explosives
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L23. A flaming fire though supported by a gaseous fuel, in some instances a fuel can burn without
the presence of flame. This phenomenon is known as
(A) Complete combustion
(B) Spontaneous combustion
tgf Giowing cornbustion
(D) Partial combustion
724. Military dynamite differs from dynamite as it does not contain the followine
,f rrrrrrogLycenne ((B)
ts) RDX
KIJX
(c) TNr (D) SAE 10 motor oil
' I25. The most widely used explosive in military?
(A) PETN (B) rNT
(c) ANFO g/'nnx
126. In fires, the aim of the arsonist is to burn the target quickly, compietely and
without attracting attention. .
(A) Autoxidation (B) Accidental
,gf Mahcious (D) Spontane.ous
r27. method is best suited for rinsing the suspected flammable liquid found on a
nonporous materials such as glass fragments.
(A) Solvent evaporation
- (B) Steam distillation
,r/ Dorvent wasn
(D) Vacuum distillation
L2B. The odour of smoke in respect of burning of feathers is due to
(A) Carbon monoxide (B) Carbon dioxide
(C) Nitrous oxide ,yf SuHur dioxide
I29. The -most commonly sought physicai evidence in arson investigation is
,,gf Ignitable fluids (B) Foot prints
(C) Finger prints (D) Blood stains
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130. Chemicai composition of glass can be determined using
(A) Gas Chromatography and Mass Spectrometer
{f Scanning Electron Microscope and Energy Dispersive X-ray
(C) {IV-VIS Spectrophotometer
[D) Potentiometer
131. Examination of broken glass objects primarily involves
(A) swelling with solvents
(B) watermark
ft/ mechanicai fit
(D) capillary electrophoresis
- 132. Lehr is the term involved in ,
(A) tempering of a glass
(B) stamping process
(C) colouring process
,g? annealing process
133.Whenglassisimmersedinaliquidofsimilarrefractiveindex,its-wit]
disappear and minimum contrast between the glass and liquid will be observed.
(A) Solve line
,f Becke line
(C) Annealing
(D) Match point
I34. Floatation is.a method used by scientists to determine the
(A) Weight
-r/ Density
(C) Volume
(D) Refractive index
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135. In forensic laboratories density gradient tube technique is dsed for
(A) Paint analysis
,Vlt rorr anarysrs
(C) Gun shot resiclue analysis
(D) Glass analysis
136. Examination of the colour of soil samples that have been heated to temperature of
for 30 minutes may supply additional information when combined with the
data from dry sample examrnation in some soils.
(A) 750"C
,pf B5o"c
(c) 950'c
(D) 1050"C
137. Pyrex glass is otherwise known as
,t / Borcsilicate
(B) Bottle glass
(C) Magnesium silicate
(D) Window glass
l38. The oniy one paint that was fire retardant paint containing
(A) Sodium chloride
(B) Potassium chloride
(C) Sulphur dioxide
6 Antimony oxide
139. Pyrolyic gas chromatography is used in identification of
vf paint binders
(B) Glass partiiles
(C) Fibres
(D) Hair
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140. Srhich, when extracted from physiological fluids show resistant to chemical reagents?
(A) Urine ,gfspermarozoa
(C) Fecal matter (D) Tears
l4I. lrlormospermic semen contains sperm cell concentrations from approximateiy
(A) 5x106 to 10x106/ml (B) 10 x 106 Lo 25 x 106 /ml
(C) 25 x 106 to 50 x 106 /ml gf soxto6 to 15ox1o6/ml
142- Vasectomized males will not release sperm. Therefore tests can identify semen.
Specific enzymes are helpful in verifying the presence of semen in sexual assault case.
(A) Polymerase (B) Adenilase kinar
(C) Phosphogluco mutas ,tfAcid phosphotase
"
143. Which of the following test is for detection of species origin of blood?
(A) Benzidine test
(B) Spectroscopic test
\ft?FrecrPr"rn test
. (D) . Absorption elution test
144. What identify all blood group systems as well as the polymorphic enzymes and proteins of
their offspring?
,€ Genotype of parents
(B) Psychology of parents
(C) Families of parents
(D) Determination of parents
14,5, Anti-H lectin, which strongly reacts with the H-substance preseni in "O" blood can be
prepared by extracting
(A) Guinea pigs (B) Rats
Vf Ulex europaeus seeds (D) Rabbits
146. Tarsals are the bones of
(A) Hand and shoulder (B) Pelvis
(C) Skull and neck #f Foot and ankle
27
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147. The bottom portion of hair nearest the scalp in which DNA may be found is called the
(A) Medulla
(B) Shafi
,r/ Forucutar trssue
(D) Cortea
148. \44rich of the follorvine is the forensic database for DNA?
(A) NIBIN (B) AFrS
d coDIS (D) SrR
149. This is not the basic compoirent of a DNA molecule
,*f Lipid
(B) Sugar
(C) Nitrogenous base
(D) Phosphate group
150. The fluid portion of the blood is called as
(A) Thrombocyte
(B) Antigen
(c) Antibody
,f Plasma
151. The human diploid genome consists of how many pairs of autosomes
(A) 23 pairs
(B) 26 pairs
V zz pa*s
(D) 24pats
152. In popularizing scientific crime detection methods, which fictionai character has a great role
or influence
(A) Albert S. Osborn
,lr/ Sherlock Holmes
(C) Sir Aithur Canon Doyle
(D) Walter C Mc Crone
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153. VIho among the foliowing developed Polymerase Chain Reaction (PCR) that amplifies a tiny
' quantity of DNA and earned Nobel prize.
(A) Sir Alec Jeffreys
gf,_ Kary mullis
. (C) Sir Arthur Conan Doyle
(D) Karl Land steiner
i
I54. In India, the role played by the government forensic scientists has been given d.,b t
recognition under ',
.g/ Section 293 of CrPc
t,
(B) Section 294 of CrPc
(C) Section 193 -.of CrPc
(D) Section 194 of CrPc
155.ManycriminalscommitcrimeintheirowncharacteristicwayknownaS-.
(A) Corpus delicti
,g/ Modus operandi
((j) Signatures
(D) Algor Mohtis
156.ThefirstchemicalExaminer's1aboratorywaSsetupat-.
,t/ iviaqras
(B) Deihi
(C) Calcutta
(D) Bombay
157. In India, the first fingerprint bureau was started in which place?
(A) Madras
(B) Bombay
,tQf calcutta
(D) Delhi
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158. The 'general acceptance' principle which serves as a criterion for the judicial admissibility of
scientific evidence was known as
,*/ Frye standard (B) Duebert ruling
(C) Exper testimony (D) Gate keeping
159. A portable electrostatic lifting device used for lifting dust impression is
(A) Poliray (B) Route finder
Jg Path finder (D) Tracker
160. When shoe and tire marks are impressed into soft earth at crime scene, their preservation is
best accomplished by
(A) P.hotography and tracing
(B) Tracing and casting
,gl' Photography and casting
(D) Lifting and casting
161. Fixed points in a finger print pattern are called
V/r"Ita point and core point
(B) Right point and left point
(C) Front point and back point
(D) Upper point and lower point
162. Two well defined loops one superincumbent on or surrounding the other is calied
(A) Lateral loop pattern
(B) Ulnar loop pattern
4tf Twinned loop pattern
(D) Radial loop pattern
163. The common name for gypsum or calcium sulphate is
(A) Talc powder
(B) Finger print developer
(C) Fluorescent powder
,g/ Plaster of paris
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L64. 60 to 65% ofthe population has finger print pattern
(A) Arch .12/ to,o,
(C) Slhorl (D) Composite
f 65. Footwear impression is an example for
(A) Group chziracteristic
-r/ individual characteristic
(C) Classcharacteristic
(D) Common characteristic
i66. For lifting, collection and preservation of residue imprints which one of the following is not
suilable
(A) Gel iifters (B) Adhesive lifters
(C) Electrostatic lifting ,1, Laser
167. The basic principles that form the present system of identification by finger prints was
developed by
(A) Alphonse Bertillon
| rancrs \-ratton
"r/
(C) Leone Lattes
(D) Calvin Goddard
168. The skin ridge pattern could be important for the identification of criminals was suggested
by
(A) Alphonse Bertilion
,t Henry fauld.
(C) William Herschel
(D) Will mess
169. The shoe print comparisons and automated shoe print identification systems was developed
r n lrrr?
^- r.rJ.i ^L nn,
uvsrrurJ.
(A) Poland
,gf England
(C) Russia
(D) America
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170. Proof mark denotes
,{;/ The stamp mark on the breach of the firearm
(B) Firing pin mark on the cartridge case
(C) Striation mark on the bullets
. (D) Percentage of alcohol.
171. Discharged bullets (evidence) should be marked on the
^-
.F Bao-
(B) Sides
(C) Left
(D) Right
172. Carbon monoxide remains in the barrel of a gun after hours.
(A) 6 hrs
(B) 12 hrs
(C) 18 hrs
.g/ 24hrs
173. Fill in the blanks :
is the most importantcomponent of the cartridge
(A) Breech block
,6 Primer
(C) Cartridge head
(D) Groove
L74. Tool marks helps in establishing the of crime.
(A) Corpus delicte
,g/ Modus operandi
(C) Victim
(D) Site
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175. The diameter of the shot gun barrel is expressgd by term
(A) Lands
(B) Grooves
(C) Calibre
,tt/ Gauge
176. method provid,es a more definitive indication of GSR collected from the
hand ofthe shooter.
{rf sEM - EDX
(B) rcP - AES
(c) cc - MS
(D) FT - iR
r77. seems to adhere more firmly than the powder residue around the bullet
hole in clothing / tissue.
(A) Maior elements
Vf Trace element
(C) Back scatter electrons
(D) Secondary electrons
L78. The amount and distribution of and around bullet
holes is a function of the turing distance.
V/ Lead and antimony
(B) Lead and bismuth
(C) Antimony and bismuth
(D) Barium and magnesium
179. Bank notes have traditionally been printed on high-quality
V:;:"'
(C) polymer
(D) cellulose
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180. A nuclear reactor is a source of
(A) Proton
,€ Neutrons
(C) Electron
!
(D) Atom
181. The. way of eliciting how the elements are combined into cornpounds in a crystal
(A) Emission spectroscopy
(B) Atomic absorption
(C) Neutron activation analysis
,.Ff X-ray diffraction
I82. Tritium is the isotope of
(A) Carbon
.u
gf Hydrogen
(C) Oxygen
(D) Nitrogen
183. fnstrument used to obtain and record the line spectrum is
(A) Absorption spectrograph
,gf Emission spectrograph
(C) IR spectrograph
(D) IfV spectrograph
184. This substance can be an example for sublimation
vl rodlne
(.B) Water
(C) Proteins
(D) Lipids
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185. Best technique for separating and identifuing body fluids is
(A) HPLC . (B) Spectrophotometery
,d Electrophoresis (D) GC
186. The fingerprint of heroin samples can be provided" by
(A) Mass spectrometrf
(B) X-ray diffraction
.f i.R. Spectrophotometr5'
(D) Scanning electron microscopy
187. Sleich of the following can be used as a carrier gas in Gas chromatography?
(A) Hydrogen and chlorine
(B)
' Ozone and Oxygen
(C) ^ Bromine and Suiphur - di - oxide
,il Nitrogen or Helium
188. ICentificaticn of Organic compounds is batter in that the
(A) Neutron Activation analysis
(B) AtomicAbsorption spectrophotometry
(c) Spectrophotometry
lrf Mass spectrometry
189. Ligh-t petroleum to heavy petroleum distillates can be separated by
Vf Gas chromatography
(B) Video spectral comparator
(C) Infra red spectroscopy
(D) Cross over Immuno electrophoresis'
190. Gas chromatography uses which types of mobile phase
(A) Plates
(B) Silica
,tg? c""
(D) Liquid
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191. Properties of evidence that can only be associated with a group and never with a single
source is known as.
,A/ Class characteristics
(B) Individual characteristics
(C) Product rule
(D) Crime-Scene reconstruction.
I92. Each item collected at the crime scene must be placed in a container?
(A) Plastic container
(B) Universal container.
,g/ Separate container.
(D) Airtight container.
193. A forensic examination process including examination of biological evidence follows a basic
sequerlce of steps. Sihich of the following lists the correct sequence?
,tf Re co gnition, identification, n ivid ual izationan d re constructi n
i d o
(B) Recognition, individua-lization, id-entifica-tion and-reconstruction
(C) Individualization,recognition, identification and reconstruction
(D) Identification, recognition, individualization and reconstruction.
194. This is not the method of crime scene search.
(A) Grid method
(B) Spiral search method
(q)
,f
Line search method
Going through the list of history sheeters
195. Normally, the purpose of examining vehicle head lights or tail lights as physical evidence is
(A) to determine the voltage
(B) to find out the wattage
gf to determine whether a light was 'on' or off at the time of impact
(D) to fix the headlight or taii light back on the vehicle.
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196. of all persons who came into possession of an item of evidence
\6"P Chain ofcustody
(B) Forensic expert
(C) Investigating officers
(D) Expert witness
Ig7. When a criminal come in contact with an object or person, a cross transfer of evidence
occured. This is called
fr/ Locard's Principle
.(B) Law of Circumstantial facts
(C) Law of Individuality
(D) Law of Progressive change
198. Automobiles run on gasoline crime laboratories run on
(A) Police investigation
(B) Direct enquiry
,r/ rnysrcar evrdence
(D) Criminal law
199. The frequent inability of the expert to relate physical evidence to a common origin with a
high degree of probability in which the evidence possesses
(A) individual characteristics
,fl' crasscharacrerrstrcs
(O common characteristics
(D) specific characteristics
200. The method. used to support a likely sequence of events by the observation and evaluation of
physical evidence, as well as statements made up those involved with the incident is called
(A) notes-taking
(B) searching
(c) sketching
,12/ reconstr.uction
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SPACE FOR ROUGH WORK ASFS/19 38
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SPACE FOR ROUGH WORK
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SPACE FOR ROUGH WORK
f ,;'.';
| .,p -,i
\j
k,,.,.: t;
.^r': :r.;.
i';i,!,l',.{5
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Source: Tamil Nadu Public Service Commission. Question paper published by Tamil Nadu Public Service Commission.