Exam Details
Subject | forensic science & forensic toxicology | |
Paper | ||
Exam / Course | ||
Department | ||
Organization | madhya pradesh public service commission | |
Position | scientific officer | |
Exam Date | 2013 | |
City, State | madhya pradesh, |
Question Paper
1. Forensic Science is
(A)Application of scientific methods and techniques for the purpose of justice
(B)Application of scientific methods and techniques for the purpose of law
(C)Application of scientific methods and techniques for police investigation'
(D)Application of scientific methods and techniques for criminal investigation
2. Edmond Locard belonged to which country among the following
USA
UK
France
Vienna
3. Arrange the following III the proper order of investigation of crime at the scene of crime Collection of clue material
Protection of scene of crime
Packing and labelling
Sketching and photographing of crime scene
Codes:
4. Why IS photography the prerequisite m cnme scene investigation?
unaltered condition
To have it as a record for 1.0.
keep it for future investigation
convince the court
5. Corroborative evidence IS
(A)Evidence that refutes other evidence
Evidence that links an individual with a particular location
(C)Evidence that supports other evidence
Eyidence that associates an individual with another individual
6. Which of the following statements IS not true
(A)Class characteristics enable an object to be placed into a particular category
A class characteristic IS one that enables an object to be uniquely identified
questioned sample is sometimes referred to as a disputed sample
(D)Individual characteristics are unique to a particular group
7. Which of the following statements is true? The risk of contamination of evidence is controlled and/or minimized by
(A)Using chain of custody labels
(B)Minimising the number of people handling the evidence
(C)Opening each package in an area other than where it was originally sealed
(D)Storing packages in a dedicated secure area
8. The major limitation of crime scene reconstruction IS that the evidence
Can overwhelm the crime laboratory
Usually provides less information than needed
(C)May have been staged
(D)Supports only one sequence of events
9. Why do forensic photographers often use scales m their photographs
(A)They provide important information about the relative sIze of the objects
(B)They are particularly useful in courtroom situations
(C)Both and are correct
They provide complete information
10. What do you mean by Hash in respect of Computer Forensics
(A)Mathematical formula that generates a numerical identifier based on input data
any bit of the input data changes, the output number changes
(C)Both and are involved
(D)None of the above is correct
11. Which of these instruments produces unique fragmentation pattern and works like Fingerprint for drug identification
GLC
HPLC
MS
AAS
12. The IR spectrum of a compound is equivalent to
(A)Fingerprint
typing
(C)Specific in identification
Invaluable
13. Narco-analysis technique is against which Article of Indian Constitution?
Article 7
Article
Article
Article
14. Many ultra wide-angle or very short focal length lenses are known as
(A)Fish-eye lenses
Wide-eye lenses
(C)Shallow lenses
A class lenses
15. Atomic absorption spectroscopy is used for the analysis of
Solvents
Volatile compound
Non-metallic elements
Metallic elements
16. FTIR stands for
(A)Fourier Transform 1R spectroscopy
(B)Fourier Transmittance IR spectroscopy
(C)Former Transform IR spectroscopy
(D)None of the above
17. The device used fm measuring brain response III brain fingerprinting is
(A)Electroencephalograph
Electroencephalogram
Scan
MRI
18. The rate of migration ofa molecule III electrophoresis depends on
Strength of the field
Net charge, size and shape
Ionic strength and viscosity
All of the above
19. Among the following detectors used in HPLC which is considered as a universal Detector:
The UV detector
The fluorescence detector
The refractive index detector
The electrochemical detector
20. Among the following which is the least important factors affecting the reproducibility of Rf values in TLC
Stationary phase
Mobile phase
Temperature
Development distance
21. A difference in the two indices of refraction exhibited by some crystalline materials is called
Double refractive index
Reflection
Birefringence
None of these
22. The microspectrophotomcter employs the light
UV
IR
Oblique light
None of these
23. The scientist who gave chromatography concept was
Berzclius
Avogadro
Tswett
Lavosier
24. an examination the development stages of the insects present on the decomposing CorpSe may yield valuable information about:
The circumstances surrounding the death
The post-mortem interval
The identification of the deceased
The age of the deceased
25. The scientific name of chiru IS
Antilope Cervicapra
Vulpes bengalensis
Capra aegagrus
Pantholops hodgsonii
26. The most versatile detector available today is
FID
NPD
MS
None of these
27. Substances having nearly equal values of Lambda maximum can be differentiated by
UV visible spectrophotometry
HPLC
GC
Derivative spectrometry
28. Beer-Lambert's law gives a linear correlation with positive gradient between:
Absorbance and concentration
(B)Absorbance and wavelength
(C)Molar extinction coefficient and absorbance
(D)Molar extinction coefficient and concentration
29. The light that has all its waves pulsating in unison is called
Laser
Oblique light
UV light
IR rays
30. In order to determine RI of glass which mIcroscope is used?
(A)Polarizing mIcroscope
Compound microscope
(C)Hot stage mIcroscope
Stereomicroscope
31. Dr. Lawrence A. Farewell discovered
(A)Narco analysis
Brain fingerprinting
(C)DNA fingerprinting
Polygraphy
32. As we travel from visible regIOn to radio waves in the electromagnetic spectrum, the frequency of rays
Increases
Decreases
(C)Remains constant
All are correct
33. Name the filters used in PLI beneath the stage:
(A)Polarizer
Analyzer
(C)Objectiw
None of these
34. All types of chromatography
(A)Have a stationary phase and a mobile phase
(B)Have chromatograms with peaks on a chart
(C)Can be used to separate explosive residues from the debris of an explosion
(D)Have a liquid mobile phase
35. The substances that vaporizes at temperature not higher than 300 celsius should be analysed by
GC
HPLC
MS
Py
36. In Forensic lahoratory Pyrolysis-Gas chromatography can be used for the analysis of
Paints only
Fibres only
Plastics and Rubber only
All of these
37. A stereoscopic microscope is used for
Compariag tool marks
Separating useful evidence from contaminating materials
Examinations requiring high magnification
All of the above
38. Electron microscopes have higher powers of magnification than optical microscopes do because
(A)The human eye is more sensitive to electrons than to light rays
(B)The electron beam displaces electrons in the specimen
(C)The electron beam is not subject to refraction
The electron beam operates at shorter wavelengths than light does
39. The operating principle of the mass spectrometer
a function of the ionization rate of the sample compound
the same as the gas chromatograph but more accurate
(C)Depends on the mass to charge ration of ionized particles
(D)Was discovered in the 1960's
40. In Neutron activation analysis the sample is bombarded with
(A)Alpha rays
Beta rays
(C)Gamma rays
Neutrons
41. When the temperature of a liquid is raised:
(A)Its HI mcreases Its
decreases
(C)Its HI disappears
Its RI remains constant
42. In Frye Vs. United States
(A)The trial judge admitted the results of the systolic blood pressure deception test, but he was reversed by the appeals court
(B)Frye was found not guilty of murder
(C)The appeals court set a standard of"general acceptance by the relevant scientific community"
(D)The US Supreme Court ruled that the results of the deception test were inadmissible because of the decision in Daubert V. Merrill Dow
43. In mIcroscopy, resolution is a measure of
The ability of the lenses to separate two tiny details that are close together
(B)The total magnification power of the mIcroscope
(C)The empty magnification of the mIcroscope
(D)The ability of an electron mIcroscope to determine the presence of a large number of elements
44. If a spectrophotometer has a photocell detector ane! xenon lamp source, it is a/an
Mass spectrometer
Infrared spectrophotometer
(C)Microwave instrument
(D)tN-visible spectrophotometer
45. The type of spectrometry that uses electrons to bombard a sample IS
(A)Scanning electron mIcroscopy
(B)Mass spectrometry
(C)Infrared spectrometry
(D)Microwave spectrometry
46. The parent peak in a mass spectrum refers to
a substance used to calibrate the instrument
the most abundant ion
an ion that has lost two electrons
the molecular ion
47. The part of the comparison microscope that allows the examiner to view two objects simultaneously is called the
Comparator
Comparison bridge
Spectroscope
Stage
48. In SEM, secondary electrons
strike the object releasing other electrons
strike the object and then reflect off the surface
are emitted when a beam of primary electrons strikes the object
are emitted by the nucleus of the various elements when the object is struck by a beam of X-rays
49. One of the major difference between GC and HPLC IS that
GC has liquid mobile phase
GC uses columns to hold the mobile phase whereas HPLC does not
GC columns are heated whereas HPLC columns are kept at room temperature
HPLC always uses at least two liquids in its stationary phase
50. Potentiometry and colorimetry are techniques.
(A)Optical
Electrical
(C)Chemical
Electro-chemical
51. Meta-analysis is
(A)Analysis of several analysis
(B)Analysis of large data
(C)Analysis of meaningful data
(D)Attempt to test the data
52. Karl Pearson's coefficient is the method lA) For studying correlation
(B)For calculating probability
(C)For sampling
(D)For studying correlation and calculating probability
53. If a coin is tossed one time, what is the probability of occurring head?
0. 5
is correct
is correct
and are correct
and are correct
54. Wildlife (Protection) Act in India was enacted in
1974
1973
1972
1970
55. India became signatory to CITES
(A)1977
1985
(C)1970
1976
56. Pugmark length or PML is
(A)The measurement between the outer edges of the first and last toe
(B)The measurement from the tip of the farthest toe to the base of the pad along the line of walk
(C)Both and are correct
(D)None of the above
57. The National Academy of Sciences m the year 2009 issued a report on "The polygraph and lie detector" concludes that the evidence collected using it is
(A)Reliable and justified
(B)Can be admitted in court as an evidence
(C)Unreliable, unscientific and biased
(D)None of the above
58. Narco analysis was first done by
(A)William Bleckwenn
Charles Darwin
(C)Robert House
Mathew Orfila
59. In polygraph application irrelevant questions
(A)Draw out a stressed response
(B)Evoke a deceptive response to a question
(C)Establish a base-line of subject's guilty-free reaction
(D)none of the above
60. Which of the following is considered to be an acceptable crime scene search pattern
A strip search
Spiral search
Quadrant search
All of these
61. Which of the following regions of mt. DNA is used for species identification?
(A)HV1
Cyt b
2
Loop
62. The examination of physical evidence by a forensic scientist. IS usually undertaken for
Proving a suspect's innocence in a courtroom
(B)Proving a suspect's guilty in a courtroom
Identification or comparison purposes
(D)Assisting law enforcement in the apprehension of an offender
63. Computer forensics involves all of the following stated activities except
(A)Manipulation of computer data
(B)Interpretation of computer data
(C)Presentation of computer data
(D)Extraction of computer data
64. The forensic examination or analysis of static data (stored) is often called:
(A)Computer forensics
Media forensics
(C)Media analysis
All of these
65. According to the analysis of digital evidence, what should be the best practice?
(A)Forensic examination performances directly
(B)Design an examination process
(C)Create one or more duplicates of the original evidences
(D)The documentation and data reduction steps
66. The analysis of digital evidence comprise phases
(A)Documentation
(B)Data recovery
(C)Data reduction and extraction
(D)All of the above
67. The process of use of standards and controls for digital evidence IS substantially different than those used in other forensic discipline
(A)Digital evidence examiners do not compare unknown evidence with known reference materials obtained from a reliable source
(B)Digital examiners cannot run known material in conjunction with the unknown evidence
(C)The process varies among laboratories
(D)All the above are true about the standards and controls for digital evidence process
68. Arrange in a proper sequence
Reverse phase chromatography
Partition chromatography
Adsorption chromatography
Gas chromatography
Codes:
and are correct
and are correct
and are correct
and are correct
69. The various definitions of quality do not include
(A)The value-based approach
(B)The transcendent approach
(C)The manufacturing-based approach
The minimum specification approach
70. Accreditation as defined by ISO is
(A)Third party attestation related to a conformity assessment body conveying formal demonstration of its competence to carry out specific conformity assessment tasks
Third party attestation related to products, proceEses, systems or persons
(C)Establishment of the status, legitimacy or appropriateness of an institution, programme or module of study
(D)Process in which certification of competency, authority. or credibility is presented
71. Which was the first Forensic lab. in India that got accreditation from NABL in 2001
(A)Central Forensic Science Laboratory, Hyderabad
(B)Central Forensic Science Laboratory, Kolkata
(C)Central Forensic Science Laboratory, Chandigarh
(D)Central Forensic Science Laboratory, CEl, Delhi
72. NABL is an autonomous body in India under the aegis of
(A)Council of Industrial and Scientific Research
(B)Department of Science and Technology
(C)University Grants Commission
(D)Indian Standardization Institute
73. The ISO 9000 series on quality management and QAlQC was established In
(A)1991
1985
(C)1987
2000
74. The isoelectric point of an amino acid or protein IS
(A)The pH at which the amino acid or protein has no net charge
(B)Zero at pH 7.0
(C)The pH at which ammo acid or protein IS neither hydrophobic nor hydrophilic
(D)The measure of the hydropathy of an ammo acid or protein
75. By adding SDS (Sodium Dodecyl Sulfate) during the electrophoresis of proteins, it is possible to
(A)Determine a protein's isoelectric point
(B)Determine an enzyme's specific activity
(C)Preserve a protein's native structure and biological activity
(D)Separate protein's exclusively on the basis of molecular weight
76. Which of the following is a volatile inorganic poison?
(A)Phosphine
Chloral hydrate
(C)Pyridine
Chloroform
77. Which of the following is the clinical finding in carbon monoxide poisoning in skin coloration
(A)Cyanosis
Jaundice
(C)Cherry pink
Flushed pink
78. Scott's test is applied for the detection of
(A)Amphetamines
Barbiturates
(C)Opiates
Cocaine
79. Which of the following color test IS applied for the detection of opiates
(A)Marquis
Mecke
(C)Froehde's
All of these
80. Which of the following drugs IS abused in sports
(A)Cocaine
Barbiturates
(C)Heroin
All of these
81. LSD is derived from which of the following plant?
Cannabis sp.
Papaver somniferum
Erythroxylum sp.
Claviceps purpurea
82. C21H23NOS is the molecular formula of
Cocaine
Morphine
Heroin
LSD
83. Which of the following is a poisonous mushroom species
Amanita phalloides
Morchella esculenta
Boletus edulis
Cantharellus cibarius
84. Which of the following is the true narcotics substance
Codeine
Heroin
Morphine
All of these
85. Benzoyl methylecgonine IS the scientific name of the following drug of abuse:
Charas
Cocaine
Heroin
Morphine
86. The urinary metabolite of Diazepam is
(A)Nordiazepam
Oxazepam
(C)Temazepam
All of these
87. Which of the following is an anabolic steroid?
(A)Nandrolone
Methaqualone
(C)Phosalone
All of these
88. Which of the following is an organophosphorus pesticide
(A)Chlorpyriphos
Dichlorovos
(C)Phosphamidon
All of these
89. Barbiturates are classified as
(A)Stimulants
Hallucinogens
(C)Narcotics
None of these
90. Which of the following is a spinal plant poison
(A)Atropha belladona
Cannabis satil'a
(C)Papaver somniferum
Strychnos nux vomica
91. Rati is the common name of
(A)Digitalis purpurea
Aconitum napellus
(C)Abrus precatorius
None of these
92. Dry ashing method is used for the extraction of the following poisons from VIscera:
Organic volatile
Organic non-volatile
Metallic
None of these
93. Which of the following is not a cannabis preparation
Charas
Ganja
Hashish oil
Opium
94. Which of the following color tests is applied for the detection of halogenated hydrocarbons
Fujiwara test
Koppanyi-Zwikker test
Sodium nitroprusside
Cobalt thiocyanate
95. Which of the following color tests is applied for the detection of Barbiturates
Dille-Koppanyi reagent
Koppanyi-Zwikker reagent
Mercurous nitrate
All of these
96. Which of the following is not an alkaloid of opium
Codeine
Narcotine
Morphine
Ecgonine
97. Which of the following is a separation technique?
(A)Chromatography
X-ray fluorescence
(C)Neutron activation analysis
None of these
98. Which of the following IS a mechanical poison
(A)Glass powder
Chopped hair
(C)Diamond dust
All of these
99. Which one of the following is a organo-phosphorous insecticide
(A)Dimethoate
Thiodon
(C)Heptox
Toxaphene
100. Which one of the following IS a Alkaloid present in Xux Vomica seeds?
(A)Brucine
Aconin
(C)Chromatin
Cannabarin
101. Which crystal test is recommended for strychnine?
(A)Gold chloride
Chromotropic acid test
(C)Cynoacrylate test
Meck test
102. Which one of the following is extracted from Coca Plant
(A)Cocaine
Amphetamine
(C)Narcotine
PCP
103. Which one of the following is detected with Duquenois-Ievine test?
Cannabis
Cocaine
PCP
Amphetamine
104. Kozelaka and Hine method is used for the quantitative estimation of
Ethyl Alcohol
Opium
Cocaine
Cannabis
105. Which one of the following IS a organo-chloro insecticide
Heptox
Metacystox
Fenthicen
Diazinone
106. Which part of the Dhatura plant IS poisonous?
Seed
Fruit
Root
All parts
107. Which one IS the mam source of Nicotine?
Hemp
Coca
Tobacco
Papaver
108. By which method Nicotine is isolated from the Alkaline solution
Dry ashing
Wet ashing
Distillation
Sublimation
109. The main ingredient of Mandrax is
PCP
STP
Methaqualone
GHB
110. Which reagent is recommended as crystal test reagent for Methaqualone?
Potassium dichromate
Potassium permanganate
Potassium chloride
Potassium sulphate
111. Drugs such as alcohol, Heroin, Amphetamine. Barbiturates and Cocaine lead to which degree of addiction
High
low
Moderate
none of these
112. A gummy, milky juice exuded through a cut made in the unripe pod of the poppy is known as
Opium
Charas
Ganja
Sulpha
113. Which one of the following IS a pnmary constitute of opium?
Morphine
Diamorphine
Monoacetyl morphine
Acetyl codeine
114. Which one of the following is THC content a Cannabis preparation having the highest
(A)Charas
Bhang
ganja
Budha sticks
115. In a Breathalyzer the ethyl alcohol reacts with
Potassium dichromate
Potassium permanganate
Potassium chloride
Potassium sulphate
116. People take drugs for
Relief of Stress
Peer Pressure
Recreations
All of these
117. The word Toxicology IS derived from the Greek word
Toxican
Toxicant
Toxicam
Toxivan
118. Poisons can be classified on the basis of
Mode of action
Toxicity rating
Physical state of poison
All of these
119. Insecticide and Pesticides are powerful inhibitors of
Cholinesterase
Acetyl cholinesterase
Monoacetyl cholinesterase
None of these
120. Carbon monoxide combines easily with
Haemoglobin
Carboxyhaemoglobin
Hematin
None of these
121. A poison acts more rapidly when
Inhaled in Gaseous state
Injected Intramuscularly
Injected Subcutaneously
Applied to skin
122. Renisch's test is recommended for the identification of
Arsenic
Ethyl Alcohol
Barbiturates
Acetone
123. Keller's test is recommended for
Oleander
Cannabis
Opium
Ergot
124. Which of the following is a naturally occurring drug of abuse
Psilocybin
Meperidine
Heroin
Methadone
125. Which of the following is a synthetic drug of abuse
Mescaline
Psilocin
Phencyclidine
Heroin
126. Which of the following is a semisynthetic drug of abuse
Cocaine
Meperidine
Heroin
Mescaline
127. Screening test are performed for
Tentative Identification
Definite Identification
Quantitative Analysis
Semi-quantitative Analysis
128. The active ingredients of Cannabis are collectively known as
Cannabinoids
Annabinoids
Cannazoids
Cannatedois
129. Lysergic acid is found In
Ergot Fungus
Psilocybe mexicona
Lophophora williamsii
Argemone mexicana
130. Which of the following Spot test is recommended for mescaline
Vitali's test
Duquenois-Levine Test
Scott Test
Fast Blue B Salt Test
131. Which of the following Spot Test IS recommended for Barbiturates?
Zwikker's Test
Vitali's Test
Froehdes Test
Fast Blue B Salt Test
132. Which of the following Microcrystal Test is recommended for Amphetamine
Platinic bromide test
Ferric chloride test
Marquis test
Potassium bismuth iodide test
133. Which of the following Microcrystal test is recommended for LSD
Potassium Tri-iodide test
A Gold Bromide Test
Miltan's Reagent Test
Platinum Bromide Test
134. Which of the following Microcrystal test is recommended for Mescaline
Kraut's Reagent Test
Bromine Water Test
Picric Acid Test
Mercuric Iodide Test
135. Rectified spirit IS contraindicated III cases of Poisoning by
Alcohol
Phosphorus
Acetic Acid
All of these
136. In case of Carbon Monoxide Poisoning which preservative is recommended for the preservation of Blood samples
Sodium Chloride
Sodium Fluoride
Sodium Carbonate
No Preservative
137. Which of the following monoxide in Blood test IS recommended for the detection of carbon
Katayamas Test
Sodium Fluoride Test
Marquis Test
Dillie-Koppanyi Test
138. Free sulphuric acid is rarely found in stomach contents in acid poisoning cases because:
It may be vomited out
May be neutralized by Alkalis gIven as antidotes
May combine chemically with the tissues with which it comes in contact
All of the above
139. On addition of aqueous solution of Methyl Violet in mineral acids which color is produced
Greenish blue color
Red color
Yellow color
No color
140. Which of the following test is a confirmatory test for Phenol? 145. Which of the following IS active principle of Abrus
Ware's Nitrite Test
Cobalt Thiocyanate Test
Vitali's Test
Marquis Test
141. Sodium, Potassium and Ammonium Hydroxides are strongly corrosive due to
Their solvent action on protein material
Their saponifying action on the lipids
Their ability to extract water from the tissues
All of the above
142. Which of the cyanide IS highly pOIsonous
Potassium cyanide
Ferrocyanide
Ferricyanide
None of these
143. Which test is recommended for Hydrocyanic acid
Libermann's Test
Scott Test
Vortman's Test
Duquenois Test
144. Which of the following IS considered as general testing reagent for Alkaloids?
Mayer's Reagent
Scott Reagent
Zwikker's Reagent
Mandelin's Reagent
145. which of the following is active principles of abrus?
Abrin
Adbrin
Abrinine
Abricodine
146. Which of the following is the active component of Marking Nut
Semecarpol
Semecarpine
Semecarbine
Semecarmine
147. Which of the following IS the active component of Croton
Crotin
Cratinine
Cratimine
Cratidine
148. Which part of Atropha Belladona is poisonous?
Leaves
Berries
Root
All parts
149. Which of the following is principal alkaloids of Nux Vomica?
Strychnine
Atropine
Hyoscyamine
Belladonine
150. Food poisoning occurs due to infection of food with
(A)Salmonella Group Bacteria
Salonella Group Bacteria
(C)Salodella Group Bacteria
Salomella Group Bacteria
(A)Application of scientific methods and techniques for the purpose of justice
(B)Application of scientific methods and techniques for the purpose of law
(C)Application of scientific methods and techniques for police investigation'
(D)Application of scientific methods and techniques for criminal investigation
2. Edmond Locard belonged to which country among the following
USA
UK
France
Vienna
3. Arrange the following III the proper order of investigation of crime at the scene of crime Collection of clue material
Protection of scene of crime
Packing and labelling
Sketching and photographing of crime scene
Codes:
4. Why IS photography the prerequisite m cnme scene investigation?
unaltered condition
To have it as a record for 1.0.
keep it for future investigation
convince the court
5. Corroborative evidence IS
(A)Evidence that refutes other evidence
Evidence that links an individual with a particular location
(C)Evidence that supports other evidence
Eyidence that associates an individual with another individual
6. Which of the following statements IS not true
(A)Class characteristics enable an object to be placed into a particular category
A class characteristic IS one that enables an object to be uniquely identified
questioned sample is sometimes referred to as a disputed sample
(D)Individual characteristics are unique to a particular group
7. Which of the following statements is true? The risk of contamination of evidence is controlled and/or minimized by
(A)Using chain of custody labels
(B)Minimising the number of people handling the evidence
(C)Opening each package in an area other than where it was originally sealed
(D)Storing packages in a dedicated secure area
8. The major limitation of crime scene reconstruction IS that the evidence
Can overwhelm the crime laboratory
Usually provides less information than needed
(C)May have been staged
(D)Supports only one sequence of events
9. Why do forensic photographers often use scales m their photographs
(A)They provide important information about the relative sIze of the objects
(B)They are particularly useful in courtroom situations
(C)Both and are correct
They provide complete information
10. What do you mean by Hash in respect of Computer Forensics
(A)Mathematical formula that generates a numerical identifier based on input data
any bit of the input data changes, the output number changes
(C)Both and are involved
(D)None of the above is correct
11. Which of these instruments produces unique fragmentation pattern and works like Fingerprint for drug identification
GLC
HPLC
MS
AAS
12. The IR spectrum of a compound is equivalent to
(A)Fingerprint
typing
(C)Specific in identification
Invaluable
13. Narco-analysis technique is against which Article of Indian Constitution?
Article 7
Article
Article
Article
14. Many ultra wide-angle or very short focal length lenses are known as
(A)Fish-eye lenses
Wide-eye lenses
(C)Shallow lenses
A class lenses
15. Atomic absorption spectroscopy is used for the analysis of
Solvents
Volatile compound
Non-metallic elements
Metallic elements
16. FTIR stands for
(A)Fourier Transform 1R spectroscopy
(B)Fourier Transmittance IR spectroscopy
(C)Former Transform IR spectroscopy
(D)None of the above
17. The device used fm measuring brain response III brain fingerprinting is
(A)Electroencephalograph
Electroencephalogram
Scan
MRI
18. The rate of migration ofa molecule III electrophoresis depends on
Strength of the field
Net charge, size and shape
Ionic strength and viscosity
All of the above
19. Among the following detectors used in HPLC which is considered as a universal Detector:
The UV detector
The fluorescence detector
The refractive index detector
The electrochemical detector
20. Among the following which is the least important factors affecting the reproducibility of Rf values in TLC
Stationary phase
Mobile phase
Temperature
Development distance
21. A difference in the two indices of refraction exhibited by some crystalline materials is called
Double refractive index
Reflection
Birefringence
None of these
22. The microspectrophotomcter employs the light
UV
IR
Oblique light
None of these
23. The scientist who gave chromatography concept was
Berzclius
Avogadro
Tswett
Lavosier
24. an examination the development stages of the insects present on the decomposing CorpSe may yield valuable information about:
The circumstances surrounding the death
The post-mortem interval
The identification of the deceased
The age of the deceased
25. The scientific name of chiru IS
Antilope Cervicapra
Vulpes bengalensis
Capra aegagrus
Pantholops hodgsonii
26. The most versatile detector available today is
FID
NPD
MS
None of these
27. Substances having nearly equal values of Lambda maximum can be differentiated by
UV visible spectrophotometry
HPLC
GC
Derivative spectrometry
28. Beer-Lambert's law gives a linear correlation with positive gradient between:
Absorbance and concentration
(B)Absorbance and wavelength
(C)Molar extinction coefficient and absorbance
(D)Molar extinction coefficient and concentration
29. The light that has all its waves pulsating in unison is called
Laser
Oblique light
UV light
IR rays
30. In order to determine RI of glass which mIcroscope is used?
(A)Polarizing mIcroscope
Compound microscope
(C)Hot stage mIcroscope
Stereomicroscope
31. Dr. Lawrence A. Farewell discovered
(A)Narco analysis
Brain fingerprinting
(C)DNA fingerprinting
Polygraphy
32. As we travel from visible regIOn to radio waves in the electromagnetic spectrum, the frequency of rays
Increases
Decreases
(C)Remains constant
All are correct
33. Name the filters used in PLI beneath the stage:
(A)Polarizer
Analyzer
(C)Objectiw
None of these
34. All types of chromatography
(A)Have a stationary phase and a mobile phase
(B)Have chromatograms with peaks on a chart
(C)Can be used to separate explosive residues from the debris of an explosion
(D)Have a liquid mobile phase
35. The substances that vaporizes at temperature not higher than 300 celsius should be analysed by
GC
HPLC
MS
Py
36. In Forensic lahoratory Pyrolysis-Gas chromatography can be used for the analysis of
Paints only
Fibres only
Plastics and Rubber only
All of these
37. A stereoscopic microscope is used for
Compariag tool marks
Separating useful evidence from contaminating materials
Examinations requiring high magnification
All of the above
38. Electron microscopes have higher powers of magnification than optical microscopes do because
(A)The human eye is more sensitive to electrons than to light rays
(B)The electron beam displaces electrons in the specimen
(C)The electron beam is not subject to refraction
The electron beam operates at shorter wavelengths than light does
39. The operating principle of the mass spectrometer
a function of the ionization rate of the sample compound
the same as the gas chromatograph but more accurate
(C)Depends on the mass to charge ration of ionized particles
(D)Was discovered in the 1960's
40. In Neutron activation analysis the sample is bombarded with
(A)Alpha rays
Beta rays
(C)Gamma rays
Neutrons
41. When the temperature of a liquid is raised:
(A)Its HI mcreases Its
decreases
(C)Its HI disappears
Its RI remains constant
42. In Frye Vs. United States
(A)The trial judge admitted the results of the systolic blood pressure deception test, but he was reversed by the appeals court
(B)Frye was found not guilty of murder
(C)The appeals court set a standard of"general acceptance by the relevant scientific community"
(D)The US Supreme Court ruled that the results of the deception test were inadmissible because of the decision in Daubert V. Merrill Dow
43. In mIcroscopy, resolution is a measure of
The ability of the lenses to separate two tiny details that are close together
(B)The total magnification power of the mIcroscope
(C)The empty magnification of the mIcroscope
(D)The ability of an electron mIcroscope to determine the presence of a large number of elements
44. If a spectrophotometer has a photocell detector ane! xenon lamp source, it is a/an
Mass spectrometer
Infrared spectrophotometer
(C)Microwave instrument
(D)tN-visible spectrophotometer
45. The type of spectrometry that uses electrons to bombard a sample IS
(A)Scanning electron mIcroscopy
(B)Mass spectrometry
(C)Infrared spectrometry
(D)Microwave spectrometry
46. The parent peak in a mass spectrum refers to
a substance used to calibrate the instrument
the most abundant ion
an ion that has lost two electrons
the molecular ion
47. The part of the comparison microscope that allows the examiner to view two objects simultaneously is called the
Comparator
Comparison bridge
Spectroscope
Stage
48. In SEM, secondary electrons
strike the object releasing other electrons
strike the object and then reflect off the surface
are emitted when a beam of primary electrons strikes the object
are emitted by the nucleus of the various elements when the object is struck by a beam of X-rays
49. One of the major difference between GC and HPLC IS that
GC has liquid mobile phase
GC uses columns to hold the mobile phase whereas HPLC does not
GC columns are heated whereas HPLC columns are kept at room temperature
HPLC always uses at least two liquids in its stationary phase
50. Potentiometry and colorimetry are techniques.
(A)Optical
Electrical
(C)Chemical
Electro-chemical
51. Meta-analysis is
(A)Analysis of several analysis
(B)Analysis of large data
(C)Analysis of meaningful data
(D)Attempt to test the data
52. Karl Pearson's coefficient is the method lA) For studying correlation
(B)For calculating probability
(C)For sampling
(D)For studying correlation and calculating probability
53. If a coin is tossed one time, what is the probability of occurring head?
0. 5
is correct
is correct
and are correct
and are correct
54. Wildlife (Protection) Act in India was enacted in
1974
1973
1972
1970
55. India became signatory to CITES
(A)1977
1985
(C)1970
1976
56. Pugmark length or PML is
(A)The measurement between the outer edges of the first and last toe
(B)The measurement from the tip of the farthest toe to the base of the pad along the line of walk
(C)Both and are correct
(D)None of the above
57. The National Academy of Sciences m the year 2009 issued a report on "The polygraph and lie detector" concludes that the evidence collected using it is
(A)Reliable and justified
(B)Can be admitted in court as an evidence
(C)Unreliable, unscientific and biased
(D)None of the above
58. Narco analysis was first done by
(A)William Bleckwenn
Charles Darwin
(C)Robert House
Mathew Orfila
59. In polygraph application irrelevant questions
(A)Draw out a stressed response
(B)Evoke a deceptive response to a question
(C)Establish a base-line of subject's guilty-free reaction
(D)none of the above
60. Which of the following is considered to be an acceptable crime scene search pattern
A strip search
Spiral search
Quadrant search
All of these
61. Which of the following regions of mt. DNA is used for species identification?
(A)HV1
Cyt b
2
Loop
62. The examination of physical evidence by a forensic scientist. IS usually undertaken for
Proving a suspect's innocence in a courtroom
(B)Proving a suspect's guilty in a courtroom
Identification or comparison purposes
(D)Assisting law enforcement in the apprehension of an offender
63. Computer forensics involves all of the following stated activities except
(A)Manipulation of computer data
(B)Interpretation of computer data
(C)Presentation of computer data
(D)Extraction of computer data
64. The forensic examination or analysis of static data (stored) is often called:
(A)Computer forensics
Media forensics
(C)Media analysis
All of these
65. According to the analysis of digital evidence, what should be the best practice?
(A)Forensic examination performances directly
(B)Design an examination process
(C)Create one or more duplicates of the original evidences
(D)The documentation and data reduction steps
66. The analysis of digital evidence comprise phases
(A)Documentation
(B)Data recovery
(C)Data reduction and extraction
(D)All of the above
67. The process of use of standards and controls for digital evidence IS substantially different than those used in other forensic discipline
(A)Digital evidence examiners do not compare unknown evidence with known reference materials obtained from a reliable source
(B)Digital examiners cannot run known material in conjunction with the unknown evidence
(C)The process varies among laboratories
(D)All the above are true about the standards and controls for digital evidence process
68. Arrange in a proper sequence
Reverse phase chromatography
Partition chromatography
Adsorption chromatography
Gas chromatography
Codes:
and are correct
and are correct
and are correct
and are correct
69. The various definitions of quality do not include
(A)The value-based approach
(B)The transcendent approach
(C)The manufacturing-based approach
The minimum specification approach
70. Accreditation as defined by ISO is
(A)Third party attestation related to a conformity assessment body conveying formal demonstration of its competence to carry out specific conformity assessment tasks
Third party attestation related to products, proceEses, systems or persons
(C)Establishment of the status, legitimacy or appropriateness of an institution, programme or module of study
(D)Process in which certification of competency, authority. or credibility is presented
71. Which was the first Forensic lab. in India that got accreditation from NABL in 2001
(A)Central Forensic Science Laboratory, Hyderabad
(B)Central Forensic Science Laboratory, Kolkata
(C)Central Forensic Science Laboratory, Chandigarh
(D)Central Forensic Science Laboratory, CEl, Delhi
72. NABL is an autonomous body in India under the aegis of
(A)Council of Industrial and Scientific Research
(B)Department of Science and Technology
(C)University Grants Commission
(D)Indian Standardization Institute
73. The ISO 9000 series on quality management and QAlQC was established In
(A)1991
1985
(C)1987
2000
74. The isoelectric point of an amino acid or protein IS
(A)The pH at which the amino acid or protein has no net charge
(B)Zero at pH 7.0
(C)The pH at which ammo acid or protein IS neither hydrophobic nor hydrophilic
(D)The measure of the hydropathy of an ammo acid or protein
75. By adding SDS (Sodium Dodecyl Sulfate) during the electrophoresis of proteins, it is possible to
(A)Determine a protein's isoelectric point
(B)Determine an enzyme's specific activity
(C)Preserve a protein's native structure and biological activity
(D)Separate protein's exclusively on the basis of molecular weight
76. Which of the following is a volatile inorganic poison?
(A)Phosphine
Chloral hydrate
(C)Pyridine
Chloroform
77. Which of the following is the clinical finding in carbon monoxide poisoning in skin coloration
(A)Cyanosis
Jaundice
(C)Cherry pink
Flushed pink
78. Scott's test is applied for the detection of
(A)Amphetamines
Barbiturates
(C)Opiates
Cocaine
79. Which of the following color test IS applied for the detection of opiates
(A)Marquis
Mecke
(C)Froehde's
All of these
80. Which of the following drugs IS abused in sports
(A)Cocaine
Barbiturates
(C)Heroin
All of these
81. LSD is derived from which of the following plant?
Cannabis sp.
Papaver somniferum
Erythroxylum sp.
Claviceps purpurea
82. C21H23NOS is the molecular formula of
Cocaine
Morphine
Heroin
LSD
83. Which of the following is a poisonous mushroom species
Amanita phalloides
Morchella esculenta
Boletus edulis
Cantharellus cibarius
84. Which of the following is the true narcotics substance
Codeine
Heroin
Morphine
All of these
85. Benzoyl methylecgonine IS the scientific name of the following drug of abuse:
Charas
Cocaine
Heroin
Morphine
86. The urinary metabolite of Diazepam is
(A)Nordiazepam
Oxazepam
(C)Temazepam
All of these
87. Which of the following is an anabolic steroid?
(A)Nandrolone
Methaqualone
(C)Phosalone
All of these
88. Which of the following is an organophosphorus pesticide
(A)Chlorpyriphos
Dichlorovos
(C)Phosphamidon
All of these
89. Barbiturates are classified as
(A)Stimulants
Hallucinogens
(C)Narcotics
None of these
90. Which of the following is a spinal plant poison
(A)Atropha belladona
Cannabis satil'a
(C)Papaver somniferum
Strychnos nux vomica
91. Rati is the common name of
(A)Digitalis purpurea
Aconitum napellus
(C)Abrus precatorius
None of these
92. Dry ashing method is used for the extraction of the following poisons from VIscera:
Organic volatile
Organic non-volatile
Metallic
None of these
93. Which of the following is not a cannabis preparation
Charas
Ganja
Hashish oil
Opium
94. Which of the following color tests is applied for the detection of halogenated hydrocarbons
Fujiwara test
Koppanyi-Zwikker test
Sodium nitroprusside
Cobalt thiocyanate
95. Which of the following color tests is applied for the detection of Barbiturates
Dille-Koppanyi reagent
Koppanyi-Zwikker reagent
Mercurous nitrate
All of these
96. Which of the following is not an alkaloid of opium
Codeine
Narcotine
Morphine
Ecgonine
97. Which of the following is a separation technique?
(A)Chromatography
X-ray fluorescence
(C)Neutron activation analysis
None of these
98. Which of the following IS a mechanical poison
(A)Glass powder
Chopped hair
(C)Diamond dust
All of these
99. Which one of the following is a organo-phosphorous insecticide
(A)Dimethoate
Thiodon
(C)Heptox
Toxaphene
100. Which one of the following IS a Alkaloid present in Xux Vomica seeds?
(A)Brucine
Aconin
(C)Chromatin
Cannabarin
101. Which crystal test is recommended for strychnine?
(A)Gold chloride
Chromotropic acid test
(C)Cynoacrylate test
Meck test
102. Which one of the following is extracted from Coca Plant
(A)Cocaine
Amphetamine
(C)Narcotine
PCP
103. Which one of the following is detected with Duquenois-Ievine test?
Cannabis
Cocaine
PCP
Amphetamine
104. Kozelaka and Hine method is used for the quantitative estimation of
Ethyl Alcohol
Opium
Cocaine
Cannabis
105. Which one of the following IS a organo-chloro insecticide
Heptox
Metacystox
Fenthicen
Diazinone
106. Which part of the Dhatura plant IS poisonous?
Seed
Fruit
Root
All parts
107. Which one IS the mam source of Nicotine?
Hemp
Coca
Tobacco
Papaver
108. By which method Nicotine is isolated from the Alkaline solution
Dry ashing
Wet ashing
Distillation
Sublimation
109. The main ingredient of Mandrax is
PCP
STP
Methaqualone
GHB
110. Which reagent is recommended as crystal test reagent for Methaqualone?
Potassium dichromate
Potassium permanganate
Potassium chloride
Potassium sulphate
111. Drugs such as alcohol, Heroin, Amphetamine. Barbiturates and Cocaine lead to which degree of addiction
High
low
Moderate
none of these
112. A gummy, milky juice exuded through a cut made in the unripe pod of the poppy is known as
Opium
Charas
Ganja
Sulpha
113. Which one of the following IS a pnmary constitute of opium?
Morphine
Diamorphine
Monoacetyl morphine
Acetyl codeine
114. Which one of the following is THC content a Cannabis preparation having the highest
(A)Charas
Bhang
ganja
Budha sticks
115. In a Breathalyzer the ethyl alcohol reacts with
Potassium dichromate
Potassium permanganate
Potassium chloride
Potassium sulphate
116. People take drugs for
Relief of Stress
Peer Pressure
Recreations
All of these
117. The word Toxicology IS derived from the Greek word
Toxican
Toxicant
Toxicam
Toxivan
118. Poisons can be classified on the basis of
Mode of action
Toxicity rating
Physical state of poison
All of these
119. Insecticide and Pesticides are powerful inhibitors of
Cholinesterase
Acetyl cholinesterase
Monoacetyl cholinesterase
None of these
120. Carbon monoxide combines easily with
Haemoglobin
Carboxyhaemoglobin
Hematin
None of these
121. A poison acts more rapidly when
Inhaled in Gaseous state
Injected Intramuscularly
Injected Subcutaneously
Applied to skin
122. Renisch's test is recommended for the identification of
Arsenic
Ethyl Alcohol
Barbiturates
Acetone
123. Keller's test is recommended for
Oleander
Cannabis
Opium
Ergot
124. Which of the following is a naturally occurring drug of abuse
Psilocybin
Meperidine
Heroin
Methadone
125. Which of the following is a synthetic drug of abuse
Mescaline
Psilocin
Phencyclidine
Heroin
126. Which of the following is a semisynthetic drug of abuse
Cocaine
Meperidine
Heroin
Mescaline
127. Screening test are performed for
Tentative Identification
Definite Identification
Quantitative Analysis
Semi-quantitative Analysis
128. The active ingredients of Cannabis are collectively known as
Cannabinoids
Annabinoids
Cannazoids
Cannatedois
129. Lysergic acid is found In
Ergot Fungus
Psilocybe mexicona
Lophophora williamsii
Argemone mexicana
130. Which of the following Spot test is recommended for mescaline
Vitali's test
Duquenois-Levine Test
Scott Test
Fast Blue B Salt Test
131. Which of the following Spot Test IS recommended for Barbiturates?
Zwikker's Test
Vitali's Test
Froehdes Test
Fast Blue B Salt Test
132. Which of the following Microcrystal Test is recommended for Amphetamine
Platinic bromide test
Ferric chloride test
Marquis test
Potassium bismuth iodide test
133. Which of the following Microcrystal test is recommended for LSD
Potassium Tri-iodide test
A Gold Bromide Test
Miltan's Reagent Test
Platinum Bromide Test
134. Which of the following Microcrystal test is recommended for Mescaline
Kraut's Reagent Test
Bromine Water Test
Picric Acid Test
Mercuric Iodide Test
135. Rectified spirit IS contraindicated III cases of Poisoning by
Alcohol
Phosphorus
Acetic Acid
All of these
136. In case of Carbon Monoxide Poisoning which preservative is recommended for the preservation of Blood samples
Sodium Chloride
Sodium Fluoride
Sodium Carbonate
No Preservative
137. Which of the following monoxide in Blood test IS recommended for the detection of carbon
Katayamas Test
Sodium Fluoride Test
Marquis Test
Dillie-Koppanyi Test
138. Free sulphuric acid is rarely found in stomach contents in acid poisoning cases because:
It may be vomited out
May be neutralized by Alkalis gIven as antidotes
May combine chemically with the tissues with which it comes in contact
All of the above
139. On addition of aqueous solution of Methyl Violet in mineral acids which color is produced
Greenish blue color
Red color
Yellow color
No color
140. Which of the following test is a confirmatory test for Phenol? 145. Which of the following IS active principle of Abrus
Ware's Nitrite Test
Cobalt Thiocyanate Test
Vitali's Test
Marquis Test
141. Sodium, Potassium and Ammonium Hydroxides are strongly corrosive due to
Their solvent action on protein material
Their saponifying action on the lipids
Their ability to extract water from the tissues
All of the above
142. Which of the cyanide IS highly pOIsonous
Potassium cyanide
Ferrocyanide
Ferricyanide
None of these
143. Which test is recommended for Hydrocyanic acid
Libermann's Test
Scott Test
Vortman's Test
Duquenois Test
144. Which of the following IS considered as general testing reagent for Alkaloids?
Mayer's Reagent
Scott Reagent
Zwikker's Reagent
Mandelin's Reagent
145. which of the following is active principles of abrus?
Abrin
Adbrin
Abrinine
Abricodine
146. Which of the following is the active component of Marking Nut
Semecarpol
Semecarpine
Semecarbine
Semecarmine
147. Which of the following IS the active component of Croton
Crotin
Cratinine
Cratimine
Cratidine
148. Which part of Atropha Belladona is poisonous?
Leaves
Berries
Root
All parts
149. Which of the following is principal alkaloids of Nux Vomica?
Strychnine
Atropine
Hyoscyamine
Belladonine
150. Food poisoning occurs due to infection of food with
(A)Salmonella Group Bacteria
Salonella Group Bacteria
(C)Salodella Group Bacteria
Salomella Group Bacteria
Other Question Papers
Subjects
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