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


Other Question Papers

Subjects

  • biochemistry
  • biotechnology
  • botany
  • chemistry
  • computer application
  • computer science
  • forensic science & forensic balistics
  • forensic science & forensic biology
  • forensic science & forensic chemistry
  • forensic science & forensic physics
  • forensic science & forensic serology
  • forensic science & forensic toxicology
  • genetics
  • microbiology
  • physics
  • zoology