Exam Details

Subject forensic science & forensic serology
Paper
Exam / Course
Department
Organization madhya pradesh public service commission
Position scientific officer
Exam Date 2013
City, State madhya pradesh,


Question Paper

5/50/2013/16
FORENSIC SCIENCE FORENSIC SEROLOGY

Roll No.
16044



BOOKLET NO.


Cand,date should write his/her Roll No in the box above. i
Time: 2 Hours] No. of Printed Pages 40 [Total Marks 300 INSTRUCTIONS FOR CANDIDATES
1.
All questions are compulsory.

2.
All questions carry equal marks.

3.
The question paper contains 150 questions. The examinee should verify that the requisite number of questions are printed in the question paper, otherwise he should ask for another question paper.

4.
The cover page indicates the number of printed pages in the question paper. The examinee should verify that the requisite number of pages are attached in the question paper otherwise he should ask for another question paper.

5.
Read carefully the instructions given on the answer-sheet supplied and indicate your answers accordingly.

6.
Kindly make necessary entries on the answer-sheet only at the places indicated and nowhere else.

7.
Examinees should specially pay attention that 2 marks will be awarded for correct answer.

8.
Examinees should do all rough work on the space meant for rough work on the last page of the question paper and nowhere else, not even on the answer-sheet.


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2
Section A (Forensic Science)
1. Forensic Science is

Application of scientific methods and techniques for the purpose of justice


Application of scientific methods and techniques for the purpose of law


Application of scientific methods and techniques for police investigation


Application of scientific methods and techniques for criminal investigation


2. Edmond Locard belonged to which country among the following

USA UK


France Vienna

a.
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:













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4. Why IS photography the prerequisite III CrIme scene investigation

An unaltered condition


To have it as a record for La.


To keep it for future investigation


To convince the court


5. Corroborative evidence is

Evidence that refutes other evidence


Evidence that links an individual with a particular location


Evidence that supports other evidence


Evidence that associates an individual with another individual


6. Which of the following statements IS not true
(AJ 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


A questioned sample is sometimes referred to as a disputed sample


Individual characteristics are unique to a particular group


P.T.O.
Which of the following statements is true? The risk ofcontamination of evidence
is controlled and/or minimized by
Using chain of custody labels
Minimising the number of people handling the evidence
Opening each package in an area other than where it was originally
sealed
Storing packages in a dedicated secure area
The major limitation of crime scene reconstruction IS that the evidence
Can overwhelm the crIme laboratory
Usually provides less information than needed
May have been staged
Supports only one sequence of events
Why do forensic photographers often use scales III their photographs
They provide important information about the relative SIze of the
objects
They are particularly useful in courtroom situations
Both and are correct
They provide complete information
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10. What do you mean by Hash in respect of Computer Forensics?

Mathematical formula that generates a numerical identifier based on input data


If any bit of the input data changes, the output number changes


Both and are involved


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

Fingerprint DNA typing


Specific in identification Invaluable


13.
Narco-analysis technique is against which Article of Indian Constitution?

14.
Many ultra wide-angle or very short focal length lenses are known as


Article 7 Article
Article Article
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(AJ Fish-eye lenses Wide-eye lenses
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

Fourier Transform IR spectroscopy
Fourier Transmittance IR spectroscopy



Former Transform IR spectroscopy
ID) None of the above



17. The device used for measuring brain response In brain fingerprinting is

Electroencephalograph Electroencephalogram


CT Scan MRI


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18. The rate of migration of a molecule III electrophoresis depends on

Strength of the field


Net charge, size and shape
(Cl Ionic strength and viscosity



All of the above


19. Among the following detectors used in HPLC which is considered as a universal
Detector:
(Al 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
(AI 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 8/80/2013116 P.T.O.


22. The microspectrophotometer employs the light
UV IR
Oblique light None of these
23. The scientist who gave chromatography concept was
Berzelius Avogadro
Tswett Lavosier
24. An examination of 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
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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


Absorbance and wavelength


Molar extinction coefficient and absorbance


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 8/80/2013/16 p.T.a.
30. In order to determine RI of glass which mICroscope is used

Polarizing microscope Compound microscope


Hot stage microscope Stereomicroscope


31.
Dr. Lawrence A. Farewell discovered (AJ Narco analysis Brain fingerprinting (CJ DNA fingerprinting Polygraphy

32.
As we travel from visible regIOn to radio waves in the electromagnetic spectrum, the frequency of rays



Increases Decreases


Remains constant All are correct


33. Name the filters used in PLM beneath the stage:
Polarizer Analyzer
(CJ Objective None of these

34. All types of chromatography

Have a stationary phase and a mobile phase
(BJ Have chromatograms with peaks on a chart



Can be used to separate explosive residues from the debris of an explosion


Have a liquid mobile phase


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35.
The substances that vaporizes at temperature not higher than 300 celsius should be analysed by

(Al GC (Bl HPLC (Cl MS Py

36.
In Forensic laboratory Pyrolysis-Gas chromatography can be used for the analysis of

(Al Paints only (Bl Fibres only
(Cl Plastics and Rubber only All of these


37.
A stereoscopic microscope is used for (Al Comparing tool marks (Bl Separating useful evidence from contaminating materials (Cl Examinations requiring high magnification


All of the above
38. Electron microscopes have higher powers of magnification than optical
microscopes do because
(Al The human eye is more sensitive to electrons than to light rays

The electron beam displaces electrons in the specimen
(Cl The electron beam is not subject to refraction
(Dl The electron beam operates at shorter wavelengths than light does

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39. The operating principle of the mass spectrometer:

Is a function of the ionization rate of the sample compound


Is the same as the gas chromatograph but more accurate


Depends on the mass to charge ration of ionized particles


Was discovered in the 1960's


40. In Neutron activation analysis the sample is bombarded with

Alpha rays Beta rays


Gamma rays Neutrons


41. When the temperature of a liquid is raised

Its RI increases Its RI decreases


Its RI disappears Its RI remains constant


42. In Frye Vs. United States

The trial judge admitted the results of the systolic blood pressure deception test, but he was reversed by the appeals court


Frye was found not guilty of murder


The appeals court set a standard of"general acceptance by the relevant scientific community"


The US Supreme Court ruled that the results of the deception test were inadmissible because of the decision in Daubert V. Merrill Dow


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43. In mIcroscopy, resolution is a measure of
(Al The ability of the lenses to separate two tiny details that are close together

The total magnification power of the mIcroscope


The empty magnification of the mIcroscope


The ability of an electron microscope to determine the presence of a large number of elements


44. If a spectrophotometer has a photocell detector and xenon lamp source, itisa/an

Mass spectrometer
(El Infrared spectrophotometer



Microwave instrument


UV-visib:e spectrophotometer


45. The type of spectrometry that uses electrons to bombard a sample IS (Al Scanning electron mIcroscopy
Mass spectrometry
eC) Infrared spectrometry
(Dl Microwave spectrometry

8/80/2013/16 P.T.O.
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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


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50. Potcntiometry and colorimetry are techniques.

Optical Electrical


Chemical Electro-chemical


51. Meta-analysis is

Analysis of several analysis


Analysis of large data


Analysis of meaningful data


Attempt to test the data


52. Karl Pearson's coefficient is the method

For studying correlation


For calculating probability


For sampling


For studying correlation and calculating probability


53. If a com is tossed one time, what is the probability of occurring head?
liz
1

0.5


2/3



is correct is correct


and are correct and are correct



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54. Wildlife (Protection) Act in India was enacted in

1974 1973


1972 1970


55. India became signatory to CITES

1977 1985


1970 1976


56. Pugmark length or PML is

The measurement between the outer edgas of the first and last toe


The measurement from the tip of the farthest toe to the base of the pad along the line of walk


Both and IE) are correct


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

Reliable and justified


Can be admitted in court as an evidence


Unreliable, j.:nscientific and biased


None of the above


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58. Narco analysis was first done by

William Bleckwenn Charles Darwin


Robert House Mathew Orfila


59. In polygraph application irrelevant questions

Draw out a stressed response


Evoke a deceptive response to a question


Establish a base-line of subject's guilty-free reaction


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?

HV1 Cyt b


HV 2 Loop


62. The examination of physical evidence by a forensic scientist IS usually undertaken for

Proving a suspect's innocence in a courtroom


Proving a suspect's guilty in a courtroom


Identification or comparison purposes


Assisting law enforcement in the apprehension of an offender




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63, Computer forensics involves all of the following stated activities except

Manipulation of computer data


Interpretation of computer data


Presentation of computer data


Extraction of computer data 64, The forensic examination or analysis of static data (stored) is often called:


Computer forensics Media forensics


Media analysis All of these


65. According to the analysis of digital evidence, what should be the best practice?

Forensic examination performances directly


Design an examination process


Create one or more duplicates of the original evidences


The documentation and data reduction steps


66. The analysis of digital evidence comprise phases

Documentation


Data recovery


Data reduction and extraction


All of the above


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67. The process of use of standards and controls for digital evidence IS substantially different than those used in other forensic discipline

Digital evidence examiners do not compare unknown evidence with known reference materials obtained from a reliable source


Digital examiners cannot run known material in conjunction with the unknown evidence


The process varies among laboratories


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


8/80/2013116 P.T.O.
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69. The .vanous definitions of quality do not include

The value-based approach


The transcendent approach


The manufacturing-based approach


The minimum specification approach


70. Accreditation as defined by ISO is

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, processes, systems or persons


Establishment of the status, legitimacy or appropriateness of an insti­tution, programme or module of study


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

Central Forensic Science Laboratory, Hyderabad


Central Forensic Science Laboratory, Kolkata


Central Forensic Science Laboratory, Chandigarh


Central Forensic Science Laboratory, CEl, Delhi


8/80/2013/16
72. NABL is an autonomous body in India under the aegIs of

Council of Industrial and Scientific Research


Department of Science and Technology


University Grants Commission


Indian Standardization Institute


73. The ISO 9000 series on quality management and QAlQC was established


1991 1985


1987 2000


74. The isoelectric point of an amino acid or protein IS

The pH at which the amino acid or protein has no net charge


Zero at pH 7.0


The pH at which ammo acid or protein IS neither hydrophobic nor hydrophilic


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

Determine a protein's isoelectric point


Determine an enzyme's specific activity


Preserve a protein's native structure and biological activity


Separate protein's exclusively on the basis of molecular weight


8/80/2013/16 P.T.O.
72. NABL is an autonomous body in India under the aegIs of

Council of Industrial and Scientific Research


Department of Science and Technology


University Grants Commission


Indian Standardization Institute


73. The ISO 9000 series on quality management and QAlQC was established


1991 1985


1987 2000


74. The isoelectric point of an amino acid or protein IS

The pH at which the amino acid or protein has no net charge


Zero at pH 7.0


The pH at which ammo acid or protein IS neither hydrophobic nor hydrophilic


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

Determine a protein's isoelectric point


Determine an enzyme's specific activity


Preserve a protein's native structure and biological activity


Separate protein's exclusively on the basis of molecular weight


8/80/2013/16 p.T.a.
22
Section B (Forensic Serology)
76. The principle "A person's blood can't have antibodies against his own cells" is given by
Wassermann and Scheuetze CB) Paul Uhlenhuth
CC) Karl Landsteiner CD) None of these

77.
The tools and techniques used in Forensic analysis should be CA) Sensitive CEl Specific CC) Non-destructive as far as possible CD) All of the above

78.
How much blood does healthy adult human being possess? CA) 4-5 liters CB) 10-15 liters CC) 15-20 liters CD) 20-25 liters

79.
Blood group of an individual is controlled by CA) Haemoglobin Shape of RBCs CC) Shape of WBCs CD) Genes


SlSO/2013116
80. Red blood corpuscles (RBCs) are formed in

Liver kidneys Kidney


Bone marrow Small intestine


81. The germs of diseases which enter into blood are destroyed by

PIatelets White blood corpuscles


Red blood corpuscles Capillaries


82. CASTLE MEYER TEST for blood testing is also known as

Benzidine Test Phenolphthalein Test


Haemochromogen Test None of these


83. Blood consists of

Erythrocytes Leucocytes


Thrombocytes All of these


84.
A person's blood will not have any antibodies if its blood group is

85.
Life of a human blood is


A B
C AB
8/80/2013/16 P.T.O.

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30-40 days 100-120 days


150-170 days 15 hours


86. Titer is required to check

Antisera Cells


Proteins Enzymes


87. Which of the following are not components of blood

Plasma eE) Blood cells and platelets


Seminin protein All of these


88.
The p30 test is used to identify conclusively the stains of

89.
Full form of VNTR IS


Saliva eE) Urine
(Cl Vaginal secretion Semen
S/SO/2013116

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Variable Number of Tendom Repeats


Variable Number of Tensile Repeats


Variable Numericals of Tendom Repeats


Ventricular Number of Tendom Repeats


90. Secretion of Seminal vesicle III male reproductive organs IS

Acidic III nature Alkaline III nature


Neutral III nature Variable III nature


91. Secretion of Prostate gland in male reproductive organs IS

Acidic III nature Alkaline III nature


Neutral III nature Variable III nature


92. Mucin test is conducted to identify:
Semen Menstrual blood
Saliva Urine
8/80/2013116 P.T.O.

9:3. Creatine test is to identify (Al Urine Saliva (Cl Semen Blood
91. Colostrum is linked to (Al Body fluid Gene
Enzyme None of these
95. Fibrinogen and LDH are used for identification of
Saliva Semen
(Cl Menstrual blood All of these

96. In vasectomies person, the secretion of the is missing.

Seminal vesicle Vas deference


Prostate gland Cowper's gland


97. Saliva converts

Starch into glucose Starch into glycogen


Lubricate the food Both and


8/80/2013/16
98. Serum proteins are
(Al Gm (Bl Km
(Cl Both (Al and (Bl (Dl None of these
99. Species origin can be determined by
(Al Precipitin tube technique (Bl Cross over electrophoresis
(Cl Double diffusion technique All of these
100. Cellular antigens are
(Al ABO (Bl Km
(Cl Hp (Dl Transferrin
101. Blood group represents
(Al No antigen (Bl Both antigens
(Cl No antibodies Both antibodies

102. In absorption Elution Technique the percentage of indicator cell is
(Al 10% (Bl
(Cl 0.25%
8/80/2013/16 P.T.O.

103. Which of the following techniques is preferred to determine the ABO blood
group from saliva
Absorption Inhibition Technique
Absorption Elution Technique
Mixed Agglutination Technique
·None of the above
104. In Absorption Elution Technique, the chilled saline IS used
To lllcrease the speed of the reaction
To decrease the speed of the reaction
To avoid breaking of antigen and antibody bonds
None of the above
105. Genes are positioned on thread like bodies

Chromosomes Golgi bodies
Ribosomes None of these
8/80/2013116

106. Human Male Sperm Cell contains pairs ofchromosomes.
23 pairs 32 pairs
22 pairs 13 pairs
107. In Rh blood group system E are
Type of blood Type of Rh antigen
Type of Rh antibody None of these
108. Watson and Crick gave double helical structure of DNA molecule III
1960 1953
1925 1990
109. Which one of the following is responsible for transferring the genetic
information from one generation to the next
Codon DNA
RNA mRNA
8/80/2013/16 P.T.O.

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110. Which of the following techniques is not used in DNA Analysis
RFLP Y-STR
SNPs Birefringence
111. Parentage can be established by
Blood groups Serum proteins
Isozymes All of these
112. Isoenzymes typing can be performed with
Cavity tiles Electrophoresis
Chromatography None of these
113. Which of the foliowing cell types would not be suitable for DNA
fingerprinting
Hair
Buccal (cheek) cells
Erythrocytes (mature red blood cells)
Skin cells
S/S0/2013116

31

114. Uracil is replaced by in RNA.
Thyamine Adenine
Cytosine Guanine
115. The 'Center of Excellence' for Biological Sciences CFSL is situated at
Kolkata Hyderabad
Chandigarh CD) Guwahati
116. The Hh blood group was discovered III
1959 1901
1940 None of these
117. The Hh antigens are found at
Hed Cells White Blood Cells
Both and None of these
118. In-vivo serologi.:al reactions are
Outside the Body Inside the Body
Both and None of these
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32

119. The M and N Blood Group antigens were discovered by
Weiner Landsteiner
Landsteiner and Levine Murray and Clark
120. The operation to sterilize male is called
Spermectomy Tubectomy
Vasectomy Hysterectomy
121. Fluid part of Blood is known as
Serum Plasma
Mucous Serum and Plasma
122. Serum constitute of
Blood group antigens Blood group antibodies

Neither nor Both and
S/S0/2013116
33

123. Lattes test is for
Reverse groupmg of blood stains
Determination of species
Individualization technique
DNA profiling
124. The Duffy Blood group system IS not very frequently used m Forensic
Analysis, because
Majority population has only one type of blood group
Many types of blood group exist in the given population
Antiserum is not available
All of the above
125. Disadvantage of RFLP technique
Takes a lot of time
Requires large intact sample
Produces large (30,000 base pair) DNA strand
All of the above
8/80/2013/16 P.T.O.

126. The Pyrimidine bases In DNA and RNA
(Al Cytosine Thymine
Uracil All of these
127. The is a location in a genome where a short nucleotide
sequence is organized as a tandem repeat.
Centromeres Telomeres
Microsatellite CD) VNTRs
128. In DNA, the complementary bases of TAG are
GAT ATC
TAG ATG
129. Sequential steps involved In DNA profiling:
Isolation, Amplification, Statistical Interpretation and Visualization
(BJ Isolation, Statistical Interpretation, Amplification and Visualization
Isolation, Visualization, Statistical Interpretation and Amplification
Isolation, Amplification, Visualization and Statistical Interpretation

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130. Electroendoosmotic property of a gel is used in

Ring test Cross over electrophoresis


Both and None of these


131. In Absorption Inhibition Technique, the positive results with Anti B indicate the:

Blood group Blood group


Blood group Blood group


132. A healthy person has erythrocytes in his blood.

4 to 6 millions 1.5 millions


1 million 0.5 million


133. Antibodies will react with
Any antigen Only specific antigen
Both and RBCs 8/80/2013116 P.T.O.
36

134. Gunzberg's test is to ascertain
For the presence of free HCI
Preliminary test for vomit
Both and
To determine content of urine
135. Vomit test includes
Presence of mucus Free HCI
Endothelial cell All of these
136. The term describes the study of antigen antibody
interaction.
Agglutination Amplification
Phagocytosis All of these
137. PGM-1 Enzyme 1-1 type is characterized by
A and C bands (El Band D bands
A and B bands C and D bands
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37

1:38. Multisystem of Electrophoresis to analyse Isoenzymes was developed by
Wraxall and 8tolorow Culliford
Brinkmann Rothwell
139. Blood group can pass through one generation to another is discovered by
Landsteiner Epstein and Ottenberg
Dungern and Hirz'field Lutheran
140. DNA is supercoiled with
Histone proteins Gene
Carbohydrates No protein
141. The nucleotides are attached with sugar through:
Hydrogen bond N-glycosidic linkage
Phosphodiester bond None of these
142. Which of the following techniques is most commonly used to separate DNA
molecules by size
Chromatography PCR
RFLP Gel electrophoresis

8/80/2013/16 P.T.O.

143. Variations in restriction enzyme cutting patterns of DNA from different
individuals are called
RFLP VNTRs
Microsatellite Minisatellite
144. DNA sequence is written from
to Left to right
Both and to
145. Single-stranded DNA molecules that can bind to and be used to detect
other DNA molecules are called
Primers LINES
STR Probes
146. The DNA profiling database of offenders in USA are maintained by
The Human Genome Project
APHIS
CaDIS
Gene bank
8/80/2013/16

]47. Denature, Annealing and Thermocycling are related with
RFLP VNTRs
PCR STRs
]48. VNTR analysis involves
Analyzing specific loci for 2 base repeating units usually less than
100 bp in sIze
Analyzing specific loci for 2 to 4 bp repeating units
PCR amplification of specific genes
Cutting DNA with restriction enzyme and analyzing the banding
pattern of fragments
149. Indicate the antigen which IS not related to RBCs
A and B M and N
Rh HLA
150. Final opmlOn of DNA profile companson can be
Matching
Matching or exclusionary
Matching or exclusionary or inconclusive
None of the above
8/80/2013/16 P.T.O.


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