FORENSIC SCIENCE- PAGE 8
FORENSIC SCIENCE MCQs
1. The Klenow fragment/enzyme used is from _______ during the synthesis of cDNA, subsequent to Reverse transcriptase treatment,
(A) E.coli RNA polymerase II (B) E.coli DNA polymerase I (C) E.coli RNA polymerase I (D) None of these
Ans: B
2. Following marker genes carried by Shuttle vectors,
(A) two types of origin of replication and selectable marker genes. (B) three types of origin of replication .
(C) one type of selectable marker genes. (D) four type of origin of replication and selectable marker genes.
Ans: A
3. The seromucous secretions is containing the predominant antibody isotype is,
(A) Ig K (B) Ig M (C) Ig A (D) Ig E
Ans: C
4. The medulla of lymph nodes arepresenting the antigen cells are,
(A) Synaptic cells (B) Follicullar dendritic cells (C) Classic macrophages (D) None of the above
Ans: C
5. A solution of phenolphthalein is applied to suspected blood stain,followed by hydrogen peroxide treatment in
(A) ELISA test (B) Kastle-Meyer test (C) Malachite Green test (D) All above tests
Ans: B
6. Which of the following is a chemical nucleotide sequencing method?
(A) Edmans method (B) Sanger method (C) Automated sequencing method (D) Maxam-Gilbert method
Ans: D
7. The smallest virus STNV stands for
(A) Small tobacco necrosis virus (B) Satellite tobacco necrosis virus (C) Small tea necrosis virus (D) Satellite tea necrosis virus
Ans: B
8. Viroids have a signatory feature
(A) Infect plants only (B) Infect lower vertebrates only (C) Imperfectly base paired RNA (D) Imperfectly base paired DNA
Ans: C
9. Basically an RFLP in an SNP that is located in the target site of a
(A) Exonuclease (B) Restriction enzymes (C) Palindrom (D) Endonuclease
Ans: B
10. PCR is using sequencing methods for generating sequence are,
(A) Templates (B) Sanger’s method (C) Sanger’s method and LMPCR (D) None of Above
Ans: D
11. All amino acids, except ———— are optically active.
(A) Glycine (B) Alanine (C) Tryptophan (D) All of the above
Ans: A
12. There are no introns in
(A) Animal mt DNA (B) Yeast mt DNA (C) ct DNA in the chloroplast (D) ct DNA of Angiosperms
Ans: A
13. Shine Dalgarno sequences is
(A) Polypurine rich stretch (B) Complementary to a highly conserved sequences of 16S rRNA
(C) Polypyramidine rich stretch (D) Both (A) & (B)
Ans: D
14. Most prokaryotes have a
(A) peptidoglycan cell wall (B) Nucleus (C) Mitochondria (D) Golgi body
Ans: A
15. ‘Knick’ in the polypeptide chain is because of,
(A) Tyrosine (B) Proline (C) Leucine (D) Tryptophan
Ans: B
16. Peptidyl tranferase activity is expressed by
(A) 16S r RNA (B) 18S r RNA (C) 5 S r RNA (D) 23 S r RNA
Ans: D
17. Domains are the units of polypeptides with characteristics of,
(A) Primary lipid that is structurally independent of the other domains in the polypeptide Chain
(B) smallcompact globular protein that is structurally independent of the other Domains in the polypeptide chain
(C) secondary protein that is structurally dependent on the other domains in the Polypeptide chain
(D) tertiary protein that is structurally dependent on the other domains in the polypeptide chain
Ans: B
18. Isoforms are those proteins which are encoded by different genes and perform the same function having,
(A) different tertiary structure (B) same primary structure (C) different secondary structure (D) different primary structure
Ans: D
19. Cognate tRNAs are
(A) tRNAs accepting one amino acid (B) tRNAs recognized by same synthase
(C) multiple tRNAs representing the same amino acid (D) tRNAs accepting modified amino acids
Ans: B
20. The characteristic of the cell membrane,
(A) It has many proteins embedded in it. (B) It regulates the entry and exit of the cell.
(C) Many molecules cross the cell membrane by diffusion and osmosis. (D) All of the above
Ans: D
21. In the yeast expression system human Cu/Zn-SOD c DNA has,
(A) Direct expression (B) Constitutive expression (C) Regulated expression (D) Both (A) and (B)
Ans: D
22. The Human Papova BK virus can be structured as
(A) Shuttle vector (B) YAC (C) Transport vector (D) Regulated Vector
Ans: A
23. Commercial production of amino acids as fermentation products uses,
(A) Cornebacterium spp (B) Brevi bacterium spp (C) .E.coli (D) Both (A) and (B)
Ans: D
24. The movement of fluid between compartments is regulated by
(A) Glomerular filtration rate (B) Parathyroid hormone (C) Osmoticand hydrostatic pressures (D) ATP
Ans: C
25. For a successful Ti plasmid – derived vector system which gene(s) need to be removed
(A) Auxin genes (B) Cytokinin gene (C) Opine –synthesis gene (D) All of the above
Ans: D
26. Which cellular eukaryotic RNA fraction can be separated by passing through a column packed with cellulose beads bound to short chains of thymidine residues
(A) t-RNA (B) r- RNA (C) hn- RNA (D) m-RNA
Ans: D
27. The study of fingerprints as a method of personal identification was done by,
(A) Neil Armstrong (B) Shankeran (C) Lattes (D) Galton
Ans: D
28. The blood group determining technique by using the dried blood stain was developed by,
(A) Gross (B) Locard (C) Bertillon (D) Lattes
Ans: D
29. For generating a cDNA library the m -RNA is converted to double stranded DNA which is accomplished by using
(A) Restriction endonuclease (B) Reverse transcriptase
(C) Reverse transcriptase & Klenow fragment (D) Restriction endonuclease & Klenow fragment
Ans: C
30. Extra or additional nuclear genetic material is found in
(A) Mitochondria (B) Mitochondria and plastids both (C) Nucleus (D) Plastid and nucleus
Ans: B
31. Isotopic signature analysis help identify
(A) Geographic origin of unknown (B) Age of unknown (C) Height of unknown (D) Both (B) and (C)
Ans: A
32. Facial approximation technique is used by
(A) Forensic anthropologist (B) Forensic geneticist (C) Forensic psychologist (D) All of the above
Ans: A
33. The advanced finger print technology that allows detecting the time the finger print was left behind
(A) Pulse finger print technology (B) Time tracing finger print technology
(C) Laser finger print technology (D) Rapid DNA finger printing
Ans: B
34. Retrovirus is,
(A) Adenoviruses (B) Adeno-associated viruses (C) None (D) A type of virus that uses RNA as its genetic material
Ans: D
35. the first successful nuclear gene transfer or gene therapy in humans was approved by,
(A) National Institutes of Health (B) National Institute of technology (C) NIO (D) NCERT
Ans: A
36. In the Ti plasmid the vir genes are located
(A) in the T-RNA region (B) at the right border of T-DNA (C) at the middle border of T-DNA (D) Outside of the T-DNA region
Ans: D
37. For T-DNA integration into a plant cell DNA, the region of the Ti plasmid is unconditionally required,
(A) cloning site (B) right border sequence of the T-DNA region (C) left border sequence of the T-DNA region (D) Both (A) and (C)
Ans: B
38. In western blotting technique the electrophoretic transfer of proteins,
(A) from sodium dodecyl sulfate polyacrylamide gels is done (B) from sodium dodecyl polyacrylamide gels is done
(C) from potassium dodecyl sulfate polyacrylamide gels is done (D) from magnesium dodecyl sulfate polyacrylamide gels is done
Ans: A
39. The BR of pBR322 stands for
(A) F. Bolivar and R. Rodrigues (B) Bacillus Recombinant (C) F. Batson and R.Rodrigues (D) Bacterial Recombinant
Ans: A
40. In DNA denaturation the higher the melting temperature,
(A) The greater the (GT) content of the DNA. (B) The greater the (AT) content of the DNA.
(C) The greater the (AG) content of the DNA. (D) The greater the guanine-cytosine (GC) content of the DNA.
Ans: D
41. The forensic science is,
(A) The application of the technology and scientific knowledge for the analysis of crime scene evidence.
(B) Proper scientific techniques to understand a crime scene.
(C) The process in which a crime was committed.
(D) The science studying the origins and background of crime scene investigation.
Ans: A
42. Type II restriction endonucleases bind and cut DNA molecules at
(A) Palindromic sequences (B) AT rich sequences (C) GC rich sequences are (D) CpG Islands
Ans: A
43. The following is an example of an individual characteristic that can be associated with one individual?
(A) Custom paint on a vehicle (B) Fingerprint ridges (C) Blood types (D) Materials in plastic bags
Ans: B
44. The anthropometry is,
(A) The scientific study of the measurements and proportions of the human body.
(B) The scientific study of proportions of the human body.
(C) The study of the human health.
(D) None of above
Ans: A
45. Plasmids that have no apparent functional coding genes are called
(A) Archeaic plasmids (B) Crypitc plasmids (C) F plasmids (D) Degradative plasmid
Ans: B
46. In E.coli a short sequences in the mRNA transcript that control the correct translation
(A) Shine Dalgarno sequence (B) Ribosome binding site (C) A Site (D) Both (A) and (B)
Ans: D
47. Fusion proteins can be purified by
(A) Immuno affinity chromatography (B) Density gradient (C) Electrophoresis (D) Both (B) and (C)
Ans: A
48. Birch is a type of,
(A) Timber (B) Paper (C) Cloth material (D) None of the above
Ans: A
49. Best expression vectors have
(A) Strong promoters (B) Constitutive promoters (C) Regulatable strong promoters (D) Both (A) and (B)
Ans: C
50. As stated in “Regulations and Guidelines on Biosafety of Recombinant DNA Research and Bio contaminants 2017” the role of Institutional Biosafety Committee is
(A) Advisory /Regulatory (B) Regulatory/Approval (C) Advisory/Approval (D) Monitoring/Approval
Ans: B
(A) E.coli RNA polymerase II (B) E.coli DNA polymerase I (C) E.coli RNA polymerase I (D) None of these
Ans: B
2. Following marker genes carried by Shuttle vectors,
(A) two types of origin of replication and selectable marker genes. (B) three types of origin of replication .
(C) one type of selectable marker genes. (D) four type of origin of replication and selectable marker genes.
Ans: A
3. The seromucous secretions is containing the predominant antibody isotype is,
(A) Ig K (B) Ig M (C) Ig A (D) Ig E
Ans: C
4. The medulla of lymph nodes arepresenting the antigen cells are,
(A) Synaptic cells (B) Follicullar dendritic cells (C) Classic macrophages (D) None of the above
Ans: C
5. A solution of phenolphthalein is applied to suspected blood stain,followed by hydrogen peroxide treatment in
(A) ELISA test (B) Kastle-Meyer test (C) Malachite Green test (D) All above tests
Ans: B
6. Which of the following is a chemical nucleotide sequencing method?
(A) Edmans method (B) Sanger method (C) Automated sequencing method (D) Maxam-Gilbert method
Ans: D
7. The smallest virus STNV stands for
(A) Small tobacco necrosis virus (B) Satellite tobacco necrosis virus (C) Small tea necrosis virus (D) Satellite tea necrosis virus
Ans: B
8. Viroids have a signatory feature
(A) Infect plants only (B) Infect lower vertebrates only (C) Imperfectly base paired RNA (D) Imperfectly base paired DNA
Ans: C
9. Basically an RFLP in an SNP that is located in the target site of a
(A) Exonuclease (B) Restriction enzymes (C) Palindrom (D) Endonuclease
Ans: B
10. PCR is using sequencing methods for generating sequence are,
(A) Templates (B) Sanger’s method (C) Sanger’s method and LMPCR (D) None of Above
Ans: D
11. All amino acids, except ———— are optically active.
(A) Glycine (B) Alanine (C) Tryptophan (D) All of the above
Ans: A
12. There are no introns in
(A) Animal mt DNA (B) Yeast mt DNA (C) ct DNA in the chloroplast (D) ct DNA of Angiosperms
Ans: A
13. Shine Dalgarno sequences is
(A) Polypurine rich stretch (B) Complementary to a highly conserved sequences of 16S rRNA
(C) Polypyramidine rich stretch (D) Both (A) & (B)
Ans: D
14. Most prokaryotes have a
(A) peptidoglycan cell wall (B) Nucleus (C) Mitochondria (D) Golgi body
Ans: A
15. ‘Knick’ in the polypeptide chain is because of,
(A) Tyrosine (B) Proline (C) Leucine (D) Tryptophan
Ans: B
16. Peptidyl tranferase activity is expressed by
(A) 16S r RNA (B) 18S r RNA (C) 5 S r RNA (D) 23 S r RNA
Ans: D
17. Domains are the units of polypeptides with characteristics of,
(A) Primary lipid that is structurally independent of the other domains in the polypeptide Chain
(B) smallcompact globular protein that is structurally independent of the other Domains in the polypeptide chain
(C) secondary protein that is structurally dependent on the other domains in the Polypeptide chain
(D) tertiary protein that is structurally dependent on the other domains in the polypeptide chain
Ans: B
18. Isoforms are those proteins which are encoded by different genes and perform the same function having,
(A) different tertiary structure (B) same primary structure (C) different secondary structure (D) different primary structure
Ans: D
19. Cognate tRNAs are
(A) tRNAs accepting one amino acid (B) tRNAs recognized by same synthase
(C) multiple tRNAs representing the same amino acid (D) tRNAs accepting modified amino acids
Ans: B
20. The characteristic of the cell membrane,
(A) It has many proteins embedded in it. (B) It regulates the entry and exit of the cell.
(C) Many molecules cross the cell membrane by diffusion and osmosis. (D) All of the above
Ans: D
21. In the yeast expression system human Cu/Zn-SOD c DNA has,
(A) Direct expression (B) Constitutive expression (C) Regulated expression (D) Both (A) and (B)
Ans: D
22. The Human Papova BK virus can be structured as
(A) Shuttle vector (B) YAC (C) Transport vector (D) Regulated Vector
Ans: A
23. Commercial production of amino acids as fermentation products uses,
(A) Cornebacterium spp (B) Brevi bacterium spp (C) .E.coli (D) Both (A) and (B)
Ans: D
24. The movement of fluid between compartments is regulated by
(A) Glomerular filtration rate (B) Parathyroid hormone (C) Osmoticand hydrostatic pressures (D) ATP
Ans: C
25. For a successful Ti plasmid – derived vector system which gene(s) need to be removed
(A) Auxin genes (B) Cytokinin gene (C) Opine –synthesis gene (D) All of the above
Ans: D
26. Which cellular eukaryotic RNA fraction can be separated by passing through a column packed with cellulose beads bound to short chains of thymidine residues
(A) t-RNA (B) r- RNA (C) hn- RNA (D) m-RNA
Ans: D
27. The study of fingerprints as a method of personal identification was done by,
(A) Neil Armstrong (B) Shankeran (C) Lattes (D) Galton
Ans: D
28. The blood group determining technique by using the dried blood stain was developed by,
(A) Gross (B) Locard (C) Bertillon (D) Lattes
Ans: D
29. For generating a cDNA library the m -RNA is converted to double stranded DNA which is accomplished by using
(A) Restriction endonuclease (B) Reverse transcriptase
(C) Reverse transcriptase & Klenow fragment (D) Restriction endonuclease & Klenow fragment
Ans: C
30. Extra or additional nuclear genetic material is found in
(A) Mitochondria (B) Mitochondria and plastids both (C) Nucleus (D) Plastid and nucleus
Ans: B
31. Isotopic signature analysis help identify
(A) Geographic origin of unknown (B) Age of unknown (C) Height of unknown (D) Both (B) and (C)
Ans: A
32. Facial approximation technique is used by
(A) Forensic anthropologist (B) Forensic geneticist (C) Forensic psychologist (D) All of the above
Ans: A
33. The advanced finger print technology that allows detecting the time the finger print was left behind
(A) Pulse finger print technology (B) Time tracing finger print technology
(C) Laser finger print technology (D) Rapid DNA finger printing
Ans: B
34. Retrovirus is,
(A) Adenoviruses (B) Adeno-associated viruses (C) None (D) A type of virus that uses RNA as its genetic material
Ans: D
35. the first successful nuclear gene transfer or gene therapy in humans was approved by,
(A) National Institutes of Health (B) National Institute of technology (C) NIO (D) NCERT
Ans: A
36. In the Ti plasmid the vir genes are located
(A) in the T-RNA region (B) at the right border of T-DNA (C) at the middle border of T-DNA (D) Outside of the T-DNA region
Ans: D
37. For T-DNA integration into a plant cell DNA, the region of the Ti plasmid is unconditionally required,
(A) cloning site (B) right border sequence of the T-DNA region (C) left border sequence of the T-DNA region (D) Both (A) and (C)
Ans: B
38. In western blotting technique the electrophoretic transfer of proteins,
(A) from sodium dodecyl sulfate polyacrylamide gels is done (B) from sodium dodecyl polyacrylamide gels is done
(C) from potassium dodecyl sulfate polyacrylamide gels is done (D) from magnesium dodecyl sulfate polyacrylamide gels is done
Ans: A
39. The BR of pBR322 stands for
(A) F. Bolivar and R. Rodrigues (B) Bacillus Recombinant (C) F. Batson and R.Rodrigues (D) Bacterial Recombinant
Ans: A
40. In DNA denaturation the higher the melting temperature,
(A) The greater the (GT) content of the DNA. (B) The greater the (AT) content of the DNA.
(C) The greater the (AG) content of the DNA. (D) The greater the guanine-cytosine (GC) content of the DNA.
Ans: D
41. The forensic science is,
(A) The application of the technology and scientific knowledge for the analysis of crime scene evidence.
(B) Proper scientific techniques to understand a crime scene.
(C) The process in which a crime was committed.
(D) The science studying the origins and background of crime scene investigation.
Ans: A
42. Type II restriction endonucleases bind and cut DNA molecules at
(A) Palindromic sequences (B) AT rich sequences (C) GC rich sequences are (D) CpG Islands
Ans: A
43. The following is an example of an individual characteristic that can be associated with one individual?
(A) Custom paint on a vehicle (B) Fingerprint ridges (C) Blood types (D) Materials in plastic bags
Ans: B
44. The anthropometry is,
(A) The scientific study of the measurements and proportions of the human body.
(B) The scientific study of proportions of the human body.
(C) The study of the human health.
(D) None of above
Ans: A
45. Plasmids that have no apparent functional coding genes are called
(A) Archeaic plasmids (B) Crypitc plasmids (C) F plasmids (D) Degradative plasmid
Ans: B
46. In E.coli a short sequences in the mRNA transcript that control the correct translation
(A) Shine Dalgarno sequence (B) Ribosome binding site (C) A Site (D) Both (A) and (B)
Ans: D
47. Fusion proteins can be purified by
(A) Immuno affinity chromatography (B) Density gradient (C) Electrophoresis (D) Both (B) and (C)
Ans: A
48. Birch is a type of,
(A) Timber (B) Paper (C) Cloth material (D) None of the above
Ans: A
49. Best expression vectors have
(A) Strong promoters (B) Constitutive promoters (C) Regulatable strong promoters (D) Both (A) and (B)
Ans: C
50. As stated in “Regulations and Guidelines on Biosafety of Recombinant DNA Research and Bio contaminants 2017” the role of Institutional Biosafety Committee is
(A) Advisory /Regulatory (B) Regulatory/Approval (C) Advisory/Approval (D) Monitoring/Approval
Ans: B
51. The semi conservative nature of DNA replication was confirmed experimentally by
(A) Watson and Crick-1953 (B) Watson and Crick-1958 (C) Meselson and Stahl-1953 (D) Meselson and Stahl-1958
Ans: D
52. The organelle functioning as a semi-autonomous organelle is,
(A) Nucleus (B) Nucleolus (C) Mitochondria (D) Golgi body
Ans: C
53. No longer useful organelles are digested by which organelle?
(A) Ribosomes (B) Lysosomes (C) Chromatin (D) Mitochondria
Ans: B
54. The non-membranous cell structure is
(A) Chloroplast (B) Mitochondria (C) Ribosome (D) Nucleus
Ans: C
55. DNases cleave DNA target sites at
(A) Both strands of duplex DNA (B) One strand of duplex DNA (C) Terminal ends (D) Both (A) & (B)
Ans: D
56. Which of the following is strongly recommended reporter gene in transgenic food crops?
(A) Neomycin phosphotransferase (B) D glucoronidase
(C) Gentamycin acetyl tranferease (D) Chloramphenicol acetyltransferase
Ans: B
57. The house of genetic Material is its,
(A) Nucleus (B) Mitochondria (C) Nucleolus (D) Golgi body
Ans: A
58. At a wound site type of proteins that escort cells to move to their destination is,
(A) Gap junctions (B) Cell adhesion molecules (C) Tight junctions (D) Desmosomes
Ans: B
59. The important function of Nucleolus is to,
(A) Synthesize protein (B) Synthesize ribosome (C) Synthesize ribosome and protein both (D) Synthesize of microtubules
Ans: C
60. Engineered wood products may be preferred over solid wood in some applications due to,
(A) It is man-made; it can be designed to meet application-specific performance requirements.
(B) Available in a wide variety of thicknesses, sizes, grades
(C) It can be produced from relatively small trees, rather than the large tree.
(D) All of the above
Ans: D
61. The plasma membrane of a human cell isTop of FormBottom of Form
(A) a single layered cell membrane (B) a double layer of phospholipids
(C) a membrane that contains pili on its cell surface (D) a double layer of carbohydrate enclosing the cell
Ans: B
62. Cosmid pLFR -5 has
(A) 2 COS site and Sca I restriction endonuclease site (B) Multiple cloning sequences
(C) An origin of DNA replication & Tetracycline resistance gene (D) All of the above
Ans: D
63. Which features of DNA prevents it from passing through the cell membrane of bacteria
(A) Hydrophobic (B) Hydrophilic (C) Non polar (D) Acidic
Ans: B
64. Plasma membrane proteins on a cell will transport
(A) molecules through the cell membrane (B) oxygen into the cell (C) carbon dioxide into the cell (D) All of the above
Ans: D
65. Organophorous compounds and carbamates are powerful inhibitors of
(A) Cholin esterase
(B) Acetylcholin esterase
(C) Monoacetylcholin esterase
(D) None of the above
Ans: A
66. In handwriting, a short initial or terminal stroke is called:
(A) Hook
(B) Hiatus
(C) Spur
(D) Staff
Ans: C
67. Following devised the starch-iodine test to determine the presence of semen
(A) Willott
(B) E.M. Southern
(C) Roberts
(D) Ouchterlong
Ans: C
68. The cutting of barrel length in shotgun causes
(A) Decrease in dispersion of pellets
(B) Increase in dispersion of pellets
(C) No change in dispersion of pellets
(D) Distortion of pellets
Ans: B
69. Pressure start curve inside the barrel determines
(a) Temperature of projectile
(b) Trajectory of projectile
(c) Velocity of projectile
(d) Striking energy of projectile
Codes:
(A) (a) and (b) are correct.
(B) (b) and (c) are correct.
(C) (c) and (d) are correct.
(D) (b) and (d) are correct.
Ans: C
70. The stamped serial number on barrel can be restored by
(A) Hydrofluoric acid
(B) FeCl3 reagent
(C) CuCl2 reagent
(D) AgCl reagent
Ans: C
71. Musket is a
(A) Muzzle loader
(B) Rifled arm
(C) Carbine
(D) A shoulder firearm with smooth bore barrel
Ans: D
72. In bullet projectory the maximum range can be attained if the angle of projection is:
(A) 30°
(B) 45°
(C) 40°
(D) 75°
Ans: B
73. The energy of the projectile is calculated by
(A) Mgh
(B) MR
(C) MV2
(D) 1/2 MV2
Ans: D
74. Assertion (A): In shotgun, the dispersion of pellets is more in the true cylinder gun than choked gun.
Reason (R): Choking of barrel is not related to dispersion of pellet.
Codes:
(A) Both (A) and (R) are correct
(B) (R) is correct, but (A) is incorrect
(C) (A) is correct, but (R) is incorrect
(D) Both (A) and (R) are incorrect
Ans: C
75. Dumdum Bullet is so called becaus :
(A) Tip is chiselled off.
(B) It is made of Cu and Ni.
(C) It is very small bullet.
(D) Its velocity is very high.
Ans: A
76. Bertillonage is synonymous term to
(A) Anthropometry
(B) Dactyloscopy
(C) Portrait Parle
(D) Serology
Ans: A
77. Sherlock Holmes was a character in the novel of
(A) Arthur Conan Doyle
(B) Agatha Christie
(C) Perry Mason
(D) Victor Hugo
Ans: A
78. Latent Finger print on electric bulb should be preserved by putting in
(A) Cardboard box
(B) Fixed in a bulb holder in wooden box
(C) In a cellophane bag
(D) Paper bag
Ans: B
79. A ridge that forks and forms a complete circle and then becomes a single ridge again is called as
(A) Island
(B) Bifurcation
(C) Fork
(D) Anastomosis
Ans: D
80. In India the new Central Forensic Science laboratory is not started at
(A) Ahmedabad
(B) Bhopal
(C) Guwahati
(D) Pune
Ans: A
81. The concept of poroscopy was given by
(A) Karl Landsteiner
(B) Burrard
(C) Edmond Locard
(D) Hans Gross
Ans: C
82. The layer of cells between the epidermis and dermis is called as
(A) minutiae
(B) dermal papillae
(C) sweat pores
(D) friction ridges.
Ans: B
83. Salylation is used in
(A) Gas liquid chromatography
(B) Mass spectrometer
(C) Atomic absorption spectrometer
(D) Atomic emission spectrometer
Ans: A
84. The image seen through a compound microscope is
(A) Virtual
(B) Real
(C) False
(D) Imaginary
Ans: A
85. NMR is a tool to investigate
(A) Nuclear structure
(B) Electron structure
(C) Scattering effect of light
(D) Reflecting effect of light
Ans: A
86. MCT detector is used in
(A) FTIR spectrometery
(B) AAS
(C) GC-MS
(D) LC-MS
Ans: A
87. In SEM, the incident beam is focused by means of
(A) Lens
(B) Mirrors
(C) Electromagnets
(D) Slits
Ans: C
88. Following instrument can view a particle under a microscope while at the same time a beam of light is directed at the particle in order to obtain its absorption spectrum
(A) Atomic force microscope
(B) XRF spectrograph
(C) Micro spectrophotometer
(D) XRD spectrograph
Ans: C
89. Ninhydrin reacts with amino acids present in fingerprints to form a coloured compound is called as
(A) Dimethyl formamide
(B) Pervanadyl
(C) Vanadyl
(D) Ruhemann’s purple
Ans: D
90. O-tolidine is 3, 3’dimethyl derivative of
(A) Phenopthaline
(B) Benzidine
(C) Sodium acetate
(D) Sodium chloride
Ans: D
91. Serum protein polymorphism are demonstrated by
(A) HPLC
(B) Centrifugation
(C) GC-MS
(D) Electrophoresis
Ans: D
92. The following technique is used to identify the enzymes in blood samples:
(A) Southern blotting
(B) Electrophoresis
(C) TLC
(D) Northern blotting
Ans: B
93. Match the following:
List – I List – II
(I) Central pocket loop (1) Contains no delta
(II) Arches (2) Contains two loops opening on the same side
(III) Twinned loop (3) Contains one core and two delta
(IV) Lateral pocket loop (4) Contains two loops opening at opposite sides
Codes:
(I) (II) (III) (IV)
(A) 3 1 2 4
(B) 2 3 1 4
(C) 4 3 2 1
(D) 3 1 4 2
Ans: B
94. Assertion (A): In disputed paternity and maternity cases, it is not possible to determine the blood group of the child.
Reason (R): The blood groups are not inherited as per Mendelian law of inheritance.
Codes:
(A) Both (A) and (R) are correct.
(B) (A) is incorrect, but (R) is correct.
(C) Both (A) and (R) are incorrect.
(D) (R) is incorrect and (A) is correct.
Ans: C
95. Application of ABO grouping in disputed paternity was first used by
(A) Landsteiner
(B) Hirschfeld
(C) Bernstein
(D) Ottenberg
Ans: D
96. Genes which exists as alternate expressions at a particular locus is known as
(A) Loci
(B) Antigen
(C) Allele
(D) Phenotype
Ans: C
97. Kozelaka and Hine method is used for the quantitative estimation of
(A) Ethyl Alcohol
(B) Opium
(C) Cocaine
(D) Cannabis
Ans: A
98. The following colour tests is applied for the detection of halogenated hydrocarbons?
(A) Fujiwara Test
(B) Koppanyi-Zwikker Test
(C) Sodium nitroprusside
(D) Cobalt thiocyanate
Ans: A
99. The following is a poisonous mushroom species:
(A) Amanita phalloides
(B) Morchella esculenta
(C) Boletus edulis
(D) Cantharellus cibarius
Ans: A
100. Scott’s test is applied for the detection of
(A) Amphetamines
(B) Barbiturates
(C) Opiates
(D) Cocaine
Ans: D
(A) Watson and Crick-1953 (B) Watson and Crick-1958 (C) Meselson and Stahl-1953 (D) Meselson and Stahl-1958
Ans: D
52. The organelle functioning as a semi-autonomous organelle is,
(A) Nucleus (B) Nucleolus (C) Mitochondria (D) Golgi body
Ans: C
53. No longer useful organelles are digested by which organelle?
(A) Ribosomes (B) Lysosomes (C) Chromatin (D) Mitochondria
Ans: B
54. The non-membranous cell structure is
(A) Chloroplast (B) Mitochondria (C) Ribosome (D) Nucleus
Ans: C
55. DNases cleave DNA target sites at
(A) Both strands of duplex DNA (B) One strand of duplex DNA (C) Terminal ends (D) Both (A) & (B)
Ans: D
56. Which of the following is strongly recommended reporter gene in transgenic food crops?
(A) Neomycin phosphotransferase (B) D glucoronidase
(C) Gentamycin acetyl tranferease (D) Chloramphenicol acetyltransferase
Ans: B
57. The house of genetic Material is its,
(A) Nucleus (B) Mitochondria (C) Nucleolus (D) Golgi body
Ans: A
58. At a wound site type of proteins that escort cells to move to their destination is,
(A) Gap junctions (B) Cell adhesion molecules (C) Tight junctions (D) Desmosomes
Ans: B
59. The important function of Nucleolus is to,
(A) Synthesize protein (B) Synthesize ribosome (C) Synthesize ribosome and protein both (D) Synthesize of microtubules
Ans: C
60. Engineered wood products may be preferred over solid wood in some applications due to,
(A) It is man-made; it can be designed to meet application-specific performance requirements.
(B) Available in a wide variety of thicknesses, sizes, grades
(C) It can be produced from relatively small trees, rather than the large tree.
(D) All of the above
Ans: D
61. The plasma membrane of a human cell isTop of FormBottom of Form
(A) a single layered cell membrane (B) a double layer of phospholipids
(C) a membrane that contains pili on its cell surface (D) a double layer of carbohydrate enclosing the cell
Ans: B
62. Cosmid pLFR -5 has
(A) 2 COS site and Sca I restriction endonuclease site (B) Multiple cloning sequences
(C) An origin of DNA replication & Tetracycline resistance gene (D) All of the above
Ans: D
63. Which features of DNA prevents it from passing through the cell membrane of bacteria
(A) Hydrophobic (B) Hydrophilic (C) Non polar (D) Acidic
Ans: B
64. Plasma membrane proteins on a cell will transport
(A) molecules through the cell membrane (B) oxygen into the cell (C) carbon dioxide into the cell (D) All of the above
Ans: D
65. Organophorous compounds and carbamates are powerful inhibitors of
(A) Cholin esterase
(B) Acetylcholin esterase
(C) Monoacetylcholin esterase
(D) None of the above
Ans: A
66. In handwriting, a short initial or terminal stroke is called:
(A) Hook
(B) Hiatus
(C) Spur
(D) Staff
Ans: C
67. Following devised the starch-iodine test to determine the presence of semen
(A) Willott
(B) E.M. Southern
(C) Roberts
(D) Ouchterlong
Ans: C
68. The cutting of barrel length in shotgun causes
(A) Decrease in dispersion of pellets
(B) Increase in dispersion of pellets
(C) No change in dispersion of pellets
(D) Distortion of pellets
Ans: B
69. Pressure start curve inside the barrel determines
(a) Temperature of projectile
(b) Trajectory of projectile
(c) Velocity of projectile
(d) Striking energy of projectile
Codes:
(A) (a) and (b) are correct.
(B) (b) and (c) are correct.
(C) (c) and (d) are correct.
(D) (b) and (d) are correct.
Ans: C
70. The stamped serial number on barrel can be restored by
(A) Hydrofluoric acid
(B) FeCl3 reagent
(C) CuCl2 reagent
(D) AgCl reagent
Ans: C
71. Musket is a
(A) Muzzle loader
(B) Rifled arm
(C) Carbine
(D) A shoulder firearm with smooth bore barrel
Ans: D
72. In bullet projectory the maximum range can be attained if the angle of projection is:
(A) 30°
(B) 45°
(C) 40°
(D) 75°
Ans: B
73. The energy of the projectile is calculated by
(A) Mgh
(B) MR
(C) MV2
(D) 1/2 MV2
Ans: D
74. Assertion (A): In shotgun, the dispersion of pellets is more in the true cylinder gun than choked gun.
Reason (R): Choking of barrel is not related to dispersion of pellet.
Codes:
(A) Both (A) and (R) are correct
(B) (R) is correct, but (A) is incorrect
(C) (A) is correct, but (R) is incorrect
(D) Both (A) and (R) are incorrect
Ans: C
75. Dumdum Bullet is so called becaus :
(A) Tip is chiselled off.
(B) It is made of Cu and Ni.
(C) It is very small bullet.
(D) Its velocity is very high.
Ans: A
76. Bertillonage is synonymous term to
(A) Anthropometry
(B) Dactyloscopy
(C) Portrait Parle
(D) Serology
Ans: A
77. Sherlock Holmes was a character in the novel of
(A) Arthur Conan Doyle
(B) Agatha Christie
(C) Perry Mason
(D) Victor Hugo
Ans: A
78. Latent Finger print on electric bulb should be preserved by putting in
(A) Cardboard box
(B) Fixed in a bulb holder in wooden box
(C) In a cellophane bag
(D) Paper bag
Ans: B
79. A ridge that forks and forms a complete circle and then becomes a single ridge again is called as
(A) Island
(B) Bifurcation
(C) Fork
(D) Anastomosis
Ans: D
80. In India the new Central Forensic Science laboratory is not started at
(A) Ahmedabad
(B) Bhopal
(C) Guwahati
(D) Pune
Ans: A
81. The concept of poroscopy was given by
(A) Karl Landsteiner
(B) Burrard
(C) Edmond Locard
(D) Hans Gross
Ans: C
82. The layer of cells between the epidermis and dermis is called as
(A) minutiae
(B) dermal papillae
(C) sweat pores
(D) friction ridges.
Ans: B
83. Salylation is used in
(A) Gas liquid chromatography
(B) Mass spectrometer
(C) Atomic absorption spectrometer
(D) Atomic emission spectrometer
Ans: A
84. The image seen through a compound microscope is
(A) Virtual
(B) Real
(C) False
(D) Imaginary
Ans: A
85. NMR is a tool to investigate
(A) Nuclear structure
(B) Electron structure
(C) Scattering effect of light
(D) Reflecting effect of light
Ans: A
86. MCT detector is used in
(A) FTIR spectrometery
(B) AAS
(C) GC-MS
(D) LC-MS
Ans: A
87. In SEM, the incident beam is focused by means of
(A) Lens
(B) Mirrors
(C) Electromagnets
(D) Slits
Ans: C
88. Following instrument can view a particle under a microscope while at the same time a beam of light is directed at the particle in order to obtain its absorption spectrum
(A) Atomic force microscope
(B) XRF spectrograph
(C) Micro spectrophotometer
(D) XRD spectrograph
Ans: C
89. Ninhydrin reacts with amino acids present in fingerprints to form a coloured compound is called as
(A) Dimethyl formamide
(B) Pervanadyl
(C) Vanadyl
(D) Ruhemann’s purple
Ans: D
90. O-tolidine is 3, 3’dimethyl derivative of
(A) Phenopthaline
(B) Benzidine
(C) Sodium acetate
(D) Sodium chloride
Ans: D
91. Serum protein polymorphism are demonstrated by
(A) HPLC
(B) Centrifugation
(C) GC-MS
(D) Electrophoresis
Ans: D
92. The following technique is used to identify the enzymes in blood samples:
(A) Southern blotting
(B) Electrophoresis
(C) TLC
(D) Northern blotting
Ans: B
93. Match the following:
List – I List – II
(I) Central pocket loop (1) Contains no delta
(II) Arches (2) Contains two loops opening on the same side
(III) Twinned loop (3) Contains one core and two delta
(IV) Lateral pocket loop (4) Contains two loops opening at opposite sides
Codes:
(I) (II) (III) (IV)
(A) 3 1 2 4
(B) 2 3 1 4
(C) 4 3 2 1
(D) 3 1 4 2
Ans: B
94. Assertion (A): In disputed paternity and maternity cases, it is not possible to determine the blood group of the child.
Reason (R): The blood groups are not inherited as per Mendelian law of inheritance.
Codes:
(A) Both (A) and (R) are correct.
(B) (A) is incorrect, but (R) is correct.
(C) Both (A) and (R) are incorrect.
(D) (R) is incorrect and (A) is correct.
Ans: C
95. Application of ABO grouping in disputed paternity was first used by
(A) Landsteiner
(B) Hirschfeld
(C) Bernstein
(D) Ottenberg
Ans: D
96. Genes which exists as alternate expressions at a particular locus is known as
(A) Loci
(B) Antigen
(C) Allele
(D) Phenotype
Ans: C
97. Kozelaka and Hine method is used for the quantitative estimation of
(A) Ethyl Alcohol
(B) Opium
(C) Cocaine
(D) Cannabis
Ans: A
98. The following colour tests is applied for the detection of halogenated hydrocarbons?
(A) Fujiwara Test
(B) Koppanyi-Zwikker Test
(C) Sodium nitroprusside
(D) Cobalt thiocyanate
Ans: A
99. The following is a poisonous mushroom species:
(A) Amanita phalloides
(B) Morchella esculenta
(C) Boletus edulis
(D) Cantharellus cibarius
Ans: A
100. Scott’s test is applied for the detection of
(A) Amphetamines
(B) Barbiturates
(C) Opiates
(D) Cocaine
Ans: D