Exam Details

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


Question Paper

5/50/2013/15
FORENSIC SCIENCE FORENSIC BIOLOGY

15101 BOOKLET NO. Candidate should wnte his/her Roll No In the box above i
Time: 2 Hours] I No. of Printed Pages 36 [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 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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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


3. Arrange the following in 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 (Al An unaltered condition (El To have it as a record for La. (Cl To keep it for future investigation
To convince the court
5. Corroborative evidence is (Al E"idence that refutes other evidence

Evidence that links an individual with a particular location (Cl Evidence that supports other evidence


Evidence that associates an individual with another individual


6. Which of the following statements IS not true (Al Class characteristics enable an object to be placed into a particular category (El A class characteristic IS one that enables an object to be uniquely
identified (Cl A questioned sample is sometimes referred to as a disputed sample
Individual characteristics are unique to a particular group
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7. Which of the following statements is true? The risk ofcontamination ofevidence 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

8. The major limitation of crime scene reconstruction IS that the evidence

Can overwhelm the crime laboratory
IE) Usually provides less information than needed



May hav'O been staged


Supports only one sequence of events


9. 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
(Bl If any bit of the input data changes, the output number changes (Cl Both and (Bl are involved
None of 'the above IS correct
11. Which of these i"struments produces unique fragmentation pattern and works
like Fingerprint for drug identification
(Al GLC (Bl HPLC

MS AAS
12. The IR spectrum of a compound IS equivalent to (Al Fingerprii1t DNA typing
Specific in identification Invaluable
13. Narco-analysis technique IS against which Article of Indian Constitution?
(Al Article 7 Article
Article Article
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14. Many ultra wide-angle or very short focal length lenses are known as

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


None of the above


17. The device used for measurmg brain response m brain fingerprinting is

Electroencephalograph Electroencephalogram


CT Scan MRI


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

Strength of the field


Net charge, size and shape


Ionic strength and viscosity
CD) 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



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:22. The microspectrophotometer employs the light
uv lR
Oblique light (Dl None of these The scientist who gave chromatography concept was
Berzelius Avogadro
Tswett Lavosier 26. The most versatile detector available today is
"'xaminiHion of the development stages of the insects present on the
decomposing corpse may yield valuable information about:
rA! 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 cervlcapra Vulpes bengalensis
rei Capra aegagrus Pantholops hodgsonii
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FID NPD
MS None of these
27. Substances having nearly equal values of Lambda maximum can be differentiated by

IN visible spectrophotometry


HPLC


i.C) 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
IN light IR rays
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: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:
Narco analysis Brain fingerprinting (Cl 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

Polarize:, Analyzer


Objective None of these


34. All types of chromatography

Have a stationary phase and a mobile phase


Have chromatograms with peaks on a chart


(Cl 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
GC HPLC
MS CD) Py
36. In Forensic laboratory Pyrolysis-Gas chromatography can be used for the analysis of
Paints only Fibres only
(CI Plastics and Rubber only CD) All of these

37. A stereoscopic microscope is used for (Al Comparing tool marks
Separatir.g useful evidence from contaminating materials (Cl Examinations requiring high magnification (D1 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
(Bl The electron beam displaces electrons in the specimen
(Cl The electron beam is not subject to refraction

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 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:
(Al Its RI ll1creases IB) Its RI decreases
Its RI disappears Its RI remams constant
42. In Frye Vs. UI:ited 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 ofthe 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
(AJ The ability of the lenses to separate two tiny details that are close togethel (BJ The total magnification power of the mIcroscope (CJ The empty magnification of the nucroscope
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


Infrared spectrophotometer


Microwave instrument


UV-visible spectrophotometer


45. The type of spectrometry that uses electrons to bombard a sample

Scanning electron 111lcroscopy


Mass spectrometry


Infrared spectrometry


Microwave spectrometry


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46. The parent peak in a mass spectrum refers to

a substance used to calibrate the instrument
(El the most abundant ion



an ion that has lost two electrons
CD) 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


CD) 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 CD) HPLC always uses at least two liquids in its stationary phase
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50. Potentiometry 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
(Dl Attempt to test the data



52. Karl Pearson's coefficient is the method (AJ For studying correlation

For calculating probability


For sampling
(Dl For studying correlation and calculating probability



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

1;2


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 In

1977 1985


1970 1976


56. Pugmark length or PML is

The measurement between the outer edges 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 are correct


None of the above


57. The National Academy of Sciences 1ll 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, unscientific and biased


None of the above


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58. Narco analysis was first done by

William B1eckwenn (BJ Charles Darwin


Rohert House CD) Mathew Orfila


59. In polygraph application irrelevant questions (AJ Draw out a stressed response (BJ Evoke a deceptive response to a question
Establish a base-line of subject's guilty-free reaction
CD) '"one of the above
30. 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 mnocence m 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
(iil Partition chromatography

Adsorption chromatography
Gas chromatography

Codes:

and are correct


and are correct


and are correct


and are correct


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69. The various definitions of quality do not include (Al The value-based approach

The transcendent approach


The manufacturing-based approach


The minimum specification approach


70. Accreditation as defined by ISO is (Al Third party attestation related to a conformity assessment body conveying formal demonstration of its competence to carry out specific conformity assessment tasks (El Third party attestation related to products, processes, systems or persons
(Cl 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 NAEL in 2001

Central Forensic Science Laboratory, Hyderabad


Central Forensic Science Laboratory, Kolkata


Central Forensic Science Laboratory, Chandigarh


Central Science Laboratory, CEI, Delhi


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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 QA/QC 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


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Section B (Forensic Biology)
76.
Which is found m human semen CA) Zinc CB) Acid phosphatase CC) Spermine and choline and Acid phosphatase CD) All of the above

77.
pH of human semen IS

4.5-5.0 5.5-6.5 CC) 6.5-7.0 CD) 7.5-8.0

78.
A pair of dyes, picroindigo carmine and nuclear fast red collectiyely called Christmas tree stain is specific for


CA) Red Blood Cells CB) White Blood Cells
Fungal spores CD) Human Spermatozoa
79. Full form of PGM is .
CA) Phospho Gluco Mutase CB) Phospho Gluco Malase
CC) Pico Green Mutase CD) S/50/2013/15 Pyro Gluco Mutase

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80. Benzidine Test for detection of blood is

Highly specific


Highly sensitive


Highly specific and highly sensitive


Neither specific nor sensitive


81. Heating of blood stain its peroxidase activity. (Al mcreases decreases
destroys will not alter
82. Florence Test is conducted for identification of
saliva semen
(Cl unne blood

83. Diameter of shaft of human hair is
1-50 I-l 51-150 I-l
151-300 I-l more than 3000 I-l
81. Quantity of blood in human adult male

71 ml/kg body weight 61 ml/kg weight of body


81 ml/kg body weight 50 ml/kg body weight



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85. Diatoms are found

Only in pond water Only in river water


Only in wells In all natural water sources


86. Diatoms are:

Unicellular algae Multicellular algae


Protozoa Fungi


87. DNA is extracted from blood from

Red Blood Cells White Blood Cells


Platelets (DJ \Thole blood


88. The cross-linking nucleic acid always pair

Adenine with Guanine Adenine with Cytosine


Adenine with Thymine Thymine with Cytosine


89. . is a genetic locus useful for determining gender.

Y-STRs


Amelogenin


Both Y-STRs and Amelogenin
(DJ Neither Y-STRs nor Amelogenin



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90. CODIS stands for:

Combined DNA International System


Combined DNA Index System


Center of DNA Identity System


Center of DNA Identity Source


91. Picogram is (AlOne trillionth of a gram One billionth of a gram
One millionth of a gram None of these
92. Mitochondrial DNA is inherited from:

Father Mother


Both JIother and Father None of these


9:3. Type AB blood contains

Both A B Antigen Both A and B Antibody


No Antigen No Antibody


94. Amylase test is conducted for analysis of

Blood Semen


Saliva Faecal matter


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95. DNA molecule carnes charge

Negative Positive


Neutral None of these


96. .............................. molecules are highly stable.


DNA Protein


Carbohydrate None of these


97. How many blood group systems are there currently in use
26 20
16 13
98. Quantity of DNA III a sperm cell
3pg 3 ng
3 ).lg 3mg
99. Which of the following IS true of mitochondrial DNA compared to nuclear DNA?

There are many more variable regIOns III mitochondrial DNA


There are larger repeats in mitochondrial DNA


There are many more copies of mitochondrial DNA


Mitochondrial DNA comes only from father


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100. Which of the following is not a type of medulla found in a human hair?
Fragmented Continuous
Stacked Interrupted
101. Which is true about DNA typing of hair?
Genomic DNA typing can be done on the shaft of the hair
Only mitochondrial DNA typing is commonly done on human hair
No DNA typing can be done on human hair
Only hair in the anagen growing phase can be DNA typed
102. Dentine is .
Harder than enamel
Softer than enamel
95% calcium
Neither harder nor softer than enamel
103. Saliva contains enzyme.
(I-amylase
a and 13 amylase No
104. . is/are included in axial skeleton.
Skull
Hyoid bone and skull
Vertebral column, skull and hyoid bone
CD) Skull, hyoid bone, vertebral column and ribs
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105. How many bones are there in human body
(Al 306 (Bl 206
(Cl 296 256
106. .. is the angle of sciatic notch in adult human female pelvis.
(Al More than 76° (Bl Less than 76°
(Cl More than 56° Less than 56°
107. Cervical vertebrae are in number in human body.
(Al 11 (El 9
(Cl 7 iDI D
108. .. is the bone for determination of sex in human body.
Tibia (Bl Sternum
(Cl Scapula Sacrum
109. .............................. bones are there in appendicular skeleton of human body.
(Al 106 (El 206
126 76
110. Elements of sacrum are ossified completely by
(Al 13 years (El 23 years
(Cl 32 years 63 years
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111. Glenoid cavity is present in
(Al Sacrum (Bl Femur
(Cl Pelvic Scapula
112. . is the triangular bone at the base ofspine normally made
up of five fused vertebrae.
(Al Manubrium (Bl Pelvis
(Cl Sacrum Scapula
113. . is the pelvic socket for the head of the femur.
Sciatic notch (Bl Foramen
(Cl Coccyx Acetabulum
114. .. is the lowest portion of the sternum.
(Al Metaphysis (Bl Coccyx
(Cl Coracoid process Xiphoid process
115. Charge of DNA is due to
(Al Sugar Phosphate group
(Cl Nitrogen All of these
116. Thoracic vertebrae In human body are:
(Al 9 (Bl 6
(Cl 12 11
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117. Lumber vertebrae inhuman body are
9 6
7 5
118. Blood group is universal donor.
AB A
B 0
119. Body tissues should not be preserved in solution for serological
analysis and DNA analysis.
Formaline Saline
Water Distilled water
120. Rh-factor of blood group is also known as
Antigen A Antigen H
Antigen D None of these
121. PCR was invented by
Kary Mullins Withrow et.al
Chang J 0 blings

122. In 1928, exchange principle was given in Forensic Science by
Edward Oscar Albert Schneider (Cl Edmond Locard George Popp
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123. . is the male gametophyte of seed bearing plants.
Pollens Spores
(Cl Seeds None of these
124. Rh antigen was discovered in the year
1901-1911 1911-1925
1921-1935 1937-1940
125. Kell, Duffy and Kidd systems were discovered in the year
1945--1965 1967--1975
(Cl 1925-1935 1935--1940
126. HLA testing was developed and subsequently applied to paternity cases in
the year:
1925--1940 1937--1945
1945--1965 1965-1975
127. pH gradient in iso-electric focussing technique is generated through the use
of unique molecules called
Electrolytes Alkali
Acid Ampholytes
128. There are genes in human mitochondrial DNA.
67 27
(CI 37 1000
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129. A technique to find variations in individuals of a population at DNA level is known as

Meiosis Sporogenesis


DNA fingerprinting RNA Synthesis


Sequencing Electrophoresis


Multiplexing PCR


130. A device recording both blood pressure and galvanic skin response was
invented by
Dr. John A. Larson III 1920 Dr. Harvard in 1915
Marston in 1938 Lamb III 2001
131. Who invented forensic DNA fingerprinting?
Kary Mullis Duffy
Alec Jaffery Edward
132. A technique that simultaneously detects more than one DNA marker in a
single analysis is

133. Differential DNA extraction method is carried out to separate
Plant enzymes eE) Nuclear material from plant cell (Cl Male and female fraction All of these
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134. Which one of the following is not derived from cannabis?

Ganja Bhang


Heroin Charas


135. Benzidine is sensitive upto in water.

1 50,000 to 1 10,00,000 1 25,000 to 1 50,000


1 10,000 to 1 25,000 1 to 100


1:36 Standard method of carrying out search of the scene of crime.
Grid Zone
Spiral and circular All of these 1:37.. is the smallest bone in human body.

Atlas Vertebra Fibula


Stapes Clavicle


138. of follicles of scalp hair are in .

Catagen stage Anagen stage


Telogen All the three stages


139. Fluid portion of clotted blood is . IA) Plasma Serum
Ground Tissue Cytoplasm
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140. . test is done for the analysis of perspiration.
Gunzberg Geese
Benzidine Amylase
111. Taq polymerase is obtained from .
Thermus aquaticus Bacillus amyloliquefaciens
Haemophilus gallinarum Escherichia coli
142. For long term storage, DNA samples are stored .
at room temperature at 4°C
at -20°C at -SO°C
143. Which one of the following is a correct statement?
Clavicle bone is the best bone sample for DNA analysis
Formalil! should be used to preserve samples for DNA analysis
DMSO is the best preservative for tissue samples for DNA analysis
Blood stained cloth should be dried with hot air blower before
packaging

144. Palynology deals with:
Study of animal fossils Study of rocks
Study of pollen grams Palm reading
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145. Restriction endonuclease is used in .
PCR technique RFLP technique
Extraction technique Quantitation technique
146. Gunzberg's test is done for detection of
Vomit Semen
Saliva Sweat
147. Which of the following is not a polymorphic?
Phosphoglucomutase Acid Phosphatase
Esterase D Spermine
148. During PCR, in annealing step .
DNA strand gets separated Primer binding occurs
Extension occurs All of the above occur
149. Under ultra-violet light semen stains give
White fluorescence Green fluorescence
Bluish white fluorescence Pink fluorescence
150. pH of blood is

7.0 9.4
7.4 6.4
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