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​FORENSIC SCIENCE- PAGE 7


FORENSIC SCIENCE MCQs

1. Underground storage tank corrosion model, used in primary soil measurement include
(A) Soil moisture content (B) Soil resistivity (C) Bicarbonate concentration (D) All of the above
Ans: D

2. Gasoline contains few of the classified biomarkers because
(A) It’s biodegradable (B) It’s too volatile (C) It’s non reactive (D) All of the above
Ans: B

3. In an autopsy which tissue sample is collected for DNA testing
(A) Blood (B) Liver (C) Spleen (D) Gut
Ans: C

4. For X-ray diffraction analysis the average size of the nanoparticles is estimated using
(A) Debye-Scherrer equation (B) Debye-Smith equation (C) Debye-Bragg equation (D) Scherrer Bragg equation
Ans: A

5. In SEM as a result of electron/specimen interaction the primary back scattered electrons reveals
(A) Electrical information (B) Atomic number (C) Topographical information (D) Both (B) and (C)
Ans: D

6. Apart from structural characterization TEM can also assess
(A) Melting points of nanocrystals (B) Measure mechanical properties of nanowires and tubes
(C) Measure electrical properties of nanowires and tubes (D) All of the above
Ans: D

7. In Atomic Force Microscopy the specimen surface is scanned by
(A) Microscale cantilever with a probe (B) Probe (C) Electrode (D) Probe coupled to laser
Ans: A

8. PLGA, one of the best biomaterial available for drug delivery is
(A) Poly D, L lactic-co-glycolic acid (B) Poly L lactic-co-glycolic acid
(C) Poly lactic-co- D glycolic acid (D) Poly lactic-co- D, L glycolic acid
Ans: A

9. Fullerenes are a family of related icosahedrel structure with
(A) 20,40,50,60 or 84 carbons (B) 20,40,60,70 or 84 carbons
(C) 20, 50, 70 or 90 carbons (D) 60,120,180 carbons
Ans: B

10. A vital feature, enabling the use of nanostructure lipids as carriers of drugs, DNA etc
(A) Thermo stability (B) Water solubility (C) Laser sensitivity (D) Clearing reticulo endothelial scheme
Ans: D

11. Nanogels score over nanoparticles in drug delivery due to
(A) High degree of encapsulation (B) High specificity (C) Low cost (D) Both (B) and (C)
Ans: A

12. Dendrimers act as carriers, called vectors, for
(A) Pathogenesis (B) Knock out therapy (C) Gene therapy’ (D) Organ transplants
Ans: C

13. Functionlized CNT can deliver drugs to
(A) Highly dividing cells (B) Neuron (C) All cell types (D) Muscle cells
Ans: C

14. In Magnetic Resonance Imaging(MRI) carbon nanotubes enhances the diagnostic efficacy as
(A) Coupling agents (B) Contrast agents (C) Stabilizing agents (D) Capping agents
Ans: B

15. Semi conductor nanocrystals constituted by inorganic materials in the range of 1-10 nm used for tumour imaging
(A) Liposome (B) Quantum dots (C) Fullerenes (D) CNT
Ans: B

16. Synchronization of cells, into the specific phase of growth cycle, and its electrochemical readout for assessing environmental toxicant (A) CNT (B) Nano –electrodes (C) Nano –biochips (D) Escheriosomes
Ans: C

17. Dactylograpy is
(A) Study of DNA profiling (B) Study of DNA finger printing (C) Most specific and sensitive for identification (D) Both (B) and (C)
Ans: D

18. Drug facilitated crime is done under the influence of
(A) Psychosimulative drugs (B) Psychoinhibitory drugs (C) Psychotropic substances (D) Psychosomatic substances
Ans: C

19. In forensic, medico- legal investigation TSD stand for
(A) Time subsequent to death (B) Time since death (C) Total soluble drug (D) Total soluble dust
Ans: B

20. In nanobiosensors, Riboflavin mediates electro-chemical detection of
(A) Adenosine related target DNA (B) Uracil related target DNA (C) Cytosine related target DNA (D) Thymidine related target DNA
Ans: D

21. Traces of pesticide residue can be identified by the nanosensor
(A) E.coli (B) P.putida JS444 (C) E.coli 431 (D) P.putida 321
Ans: B

22. Brain finger printing
(A) Used by EEG on Lead (B) Used lie detector (C) Used RNA (D) Used DNA
Ans: A

23. Michael Jackson’s death was due to
(A) Lethal dose of heroin (B) Lethal dose of propofol (C) Carbon monoxide poisoning (D) Polonium poisoning
Ans: B

24. The advantage of analysing urine sample for drugs/metabolites
(A) Urine concentrates these many times (B) These substances persist in urine when no longer in circulation
(C) Simple screening is possible (D) All of the above
Ans: D

25. Which of the following forensics samples not frozen subsequent to collection?
(A) Adipose tissue (B) Blood (C) Lungs (D) Bile
Ans: B

26. In death cases involving inhalation of a drug, the tissue of choice for forensic analysis
(A) Lungs (B) Liver (C) Kidney (D) Lymph
Ans: A

27. The forensic pathologist collects blood from
(A) Abdomen swabs (B) Left side of heart (C) Peripheral circulation (D) Both (B) and (C)
Ans: D

28. Major site for detecting poisons
(A) Gut (B) Liver (C) Urine (D) Blood
Ans: B

29. Brain is a good forensic sample for assaying
(A) Non volatile poisons (B) Volatile poisons (C) Organic poisons (D) Non-polar poisons
Ans: B

30. Alcohol often _______ the effect of barbiturates
(A) Neutralized (B) Potentiates (C) Acidifies (D) All of the above
Ans: B

31. Which of the following deal with, knowingly selling adulterated drugs?
(A) Sec 275 IPC (B) Sec 270 IPC (C) Sec 299 IPC (D) Both (B) and (C)
Ans: A

32. Hallucinogens and Neuroleptics are
(A) Deliriants (B) Relaxants (C) Psychotropic (D) Both (B) and (C)
Ans: C

33. Which of these is/are cardiac poison(s)
(A) Co2 (B) Co (C) Alcohol (D) Nicotine
Ans: D

34. Cannabis, Cocaine and Opium classify as
(A) Arrow poison (B) Cattle poison (C) Aphrodisiacs (D) Abortifacient drug
Ans: C

35. Unabsorbed poisons are excreted thorough
(A) Urine (B) Faces (C) Vomitus (D) Both (B) and (C)
Ans: D

36. Action of alcohol on the CNS during exercise is
(A) Enhanced (B) Slowed (C) No effect (D) Idiosyncracy
Ans: B

37. In Glasgow scoring EVM, V stands for
(A) Vital organs (B) Visual reflex (C) Verbal response (D) Verbal reflex
Ans: C

38. Prioratize the listed management strategies in case of poisoning
I. Nursing and psychiatric care
II. Decontamination
III. Poison elimination
IV. Antidote administration
V. Stabilization and evaluation
(A) V, II, III, IV, I
(B) I, II, III, IV, V
(C) II, I, II, V, IV
(D) II, III, IV, V, I
Ans: A

39. The International Pharmacopoeia is issued by
(A) UN (B) International Pharmacopoeia Society (C) WHO (D) Pharmacopoeia Society of UK
Ans: C

40. Pharmacopoeia furnishes quality specifications for
(A) Pharmaceutical ingredients (B) Homeopathic Products (C) Herbal Products (D) All of the above
Ans: D

41. Importance of Pharmacopoeia is its
(A) Precise analytical process (B) Legally binding status (C) Region based standards (D) International standards
Ans: B

​42. Indian Pharmacopoeia 2018 has not listed
(A) Chemical monographs (B) Biological monographs (C) Homeopathic monographs (D) Herbal monographs
Ans: C

43. Blood grouping reagents spanning 10 monographs was introduced in
(A) IP-2000 (B) IP-2007 (C) IP-2014 (D) IP-2018
Ans: D

44. As per IP standards plastic containers, for Parenteral preperations is
(A) PET containers (B) Sterile PVC containers (C) Polycarbonate containers (D) Polypropylene containers
Ans: B

45. The National IPR Policy-2016 confirms India’s commitment to
(A) Doha Development Agenda (B) TRIPS Agreement (C) WHO (D) Both (A) and (B)
Ans: D

46. The TKDL mentioned in IPR Policy document refers to
(A) Technical Knowledge Data Library (B) Traditional Knowledge Data Library
(C) Traditional Knowledge Digital Library (D) Technical Knowledge Digital Library
Ans: C

47. The World Intellectual Property Organization has its headquarters in
(A) Rome (B) Geneva (C) Switzerland (D) Both (B) and (C)
Ans: D

48. Penalty for falsification of entries in register for trade marks
(A) Imprisonment up to 2 years with fine (B) Imprisonment up to 5 years without fine
(C) Imprisonment up to 2 years without fine (D) Both (A) and (C)
Ans: A

49. Latest development in crime investigation using laser ablation
(A) LA-ICP-FTIR (B) LA-ICP-EC (C) LA-ICP-MS (D) LA-ICP
Ans: C

50. Cyber criminals hide file using
​ (A) XB hard drives (B) XOX hard drives (C) BX hard drives (D) XBOX hard drives
Ans: D
51. Finger prints in Indian population mainly categorise into
(A) Whorl (B) Circle (C) Loop (D) Arch

Ans: C

52. LCN profiles are generally
(A) Reproducible (B) Not reproducible (C) Conclusive in forensic case (D) Both (A) and (C)

Ans: B

53. SNPs account for ……….. of all differences between unrelated persons
(A) More than 95% (B) More than 90% (C) More than 85% (D) More than 80%

Ans: B

54. A peptide bond
(A) is rigid and planar. (B) The atoms in it are Cα-C-N-Cα. (C) is coplanar (D) All of the above

Ans: D

55. SNP genotyping generally use which of the following allele discrimination method(s)
(A) Hybridization/annealing (B) Primer extension (C) Enzyme cleavage (D) All of the above

Ans: D

56. Pyrosequencing, sequences short stretches of DNA, detects
(A) Pyro primers (B) Pyrosulphates (C) Poly adenosine (D) Pyrophosphate

Ans: D

57. Y-STR typing is utmost importance for analysing
(A) Multiple DNA samples (B) Contaminated DNA samples (C) Mixture of male and female DNA samples (D) Only fresh DNA samples

Ans: C

58. CODIS stands for
(A) Combined DNA Information System (B) Combined DNA Information Site
(C) Combined DNA Information Source (D) Combined DNA Index System

Ans: D

59. Analysing bacterial soil sample for murder evidences,the DNA marker is
(A) 16S DNA profiling (B) 5S DNA profiling (C) RAPDs (D) 23S DNA profiling

Ans: A

60. Dogs hair used for forensic investigation relies on
(A) STRs (B) VNTRs (C) RAPDs (D) AFLPs

Ans: A

61. Forensic epidemiology helps to resolve issues related to
(A) Murder (B) Bioterrorism (C) Chemical warfare (D) Both (B) and (C)

Ans: B

62. The first massive DNA sequencing method commercialized, used
(A) E.coil cloning technique (B) Pyro sequencing technique (C) Cryptic cloning technique (D) Yeast cloning technique

Ans: B

63. Sequencing of H.influenzae introduced a new method for sequencing cellular genome
(A) Whole genome shot gun method (B) RFLPs (C) VNTRs (D) RAPDs

Ans: A

64. The marker used, in most commercially available kits, for DNA sex determinations in Forensics
(A) Troponin gene (B) Amelogenin gene (C) α globulin gene (D) Actin gene

Ans: B

65. Which of the following, externally visible characteristic, be predicted and used in crime detection, based on DNA evidence
(A) Black hair colour (B) Red hair colour (C) Blue iris colour (D) Both (B) and (C)

Ans: D

66. The characterization of semen is done by following presumptive test,
(A) Acid Phosphatase test (B) Special Antigen test (C) Microscopic observation (D) Precipitation test

​Ans: A

67. The detection at the site of crime for the presence of the saliva is done by,
(A) Catalase (B) ATPase (C) Amylase (D) Both (A) and (B)

​Ans: C

68. The average hemoglobin content in the whole blood of women
(A) 11 grams/100 ml of cells (B) 14 grams/100 ml of cells (C) 12 grams/100 ml of cells (D) 10 grams/100 ml of cells

​Ans: B

69. Each hemoglobin molecule can transport
(A) 4 molecules of oxygen (B) 4 atoms of oxygen (C) 1 molecule of oxygen (D) 1atom of oxygen

​Ans: A

70. Neutrophils move through the capillary pores by,
(A) Buoyancy (B) Chemotaxis (C) Migration (D) Diapedesis

​Ans: D

71. Dominating Phagocytic cells at the site of inflammation are,
(A) Platelets (B) Monocytes (C) Neutrophils (D) Basophils

​Ans: B

72. Heparin is liberated into the blood by
(A) Neutrophils (B) Mast cells (C) Basophils (D) Both (B) and (C)

​Ans: D

73. Cell mediated immunity is expressed by
(A) B- lymphocyte (B) T- lymphocyte (C) Macrophage (D) Plasma cells

​Ans: B

74. In the ABO blood group system, the average titer of agglutinins in plasma peaks during
(A) 1-10 years (B) 8-10 years (C) 10-12 years (D) 10-15 years

​Ans: B

75. The common types of Rh antigens are,
(A) C, D, E, c, d, e (B) B, C, D, b, c, d
(C) D, E, F, d, e, f (D) X, Y, Z, x, y, z

​Ans: A

76. For triggering an immune reaction after the ABO and the Rh blood group system the third most potent blood group system is,
(A) Duffy blood group system (B) Kidd blood group system (C) Kell blood group system (D) Lewisblood group system

​Ans: C

77. The Lewis antigen system is a human blood group system. It is based upon two genes on chromosome 19
(A) FUT3 or Lewis gene (B) FUT2, or Secretor gene. (C) AB blood group (D) Both (A) and (B)

​Ans: D

78. Individuals with Duffy negative phenotypes are resistant to
(A) Vibrio stephani (B) Plasmodium vivax (C) Vibrio cholera (D) E.coli

​Ans: B

79. In the autoimmune disease manifesting in rheumatic fever, the targeted tissue(s)
(A) Joints (B) Heart valves (C) Muscle (D) Both (A) and (B)

​Ans: D

80. Aqueous solutions are sterilized in autoclave at temperature ranges
(A) 105 deg C - 108 deg C (B) 108 deg C - 126 deg C (C) 115 deg C - 125 deg C (D) 110 deg C - 130 deg C

​Ans: B

81. Seitz filters are
(A) Disposable, single –use asbestose filters (B) Disposable, single –use unglazed ceramic filters
(C) Disposable, single –use diatomaceous filters (D) Disposable, single –use nitrocellulose filters

​Ans: A

82. BTWC established as a preventive measure to counter bioweapons, stands for
(A) Bioweapon Treaty World Convention (B) Biological and Toxin Weapons Convention
(C) Bioterrorism Treaty World Convention (D) BioTerrorism Weapons Convention

​Ans: B

83. The bioweapon(s) listed in Category A
(A) Bacillus anthracis (B) Clostridium botulinum (C) Yersinia pestis (D) All of the above

​Ans: D

84. Aldehydes manifest their antimicrobial action by
(A) Destroying the DNA structure (B) Destroying the amino group of protein molecule
(C) Destroying the cell wall (D) Destroying the ribosome structure

​Ans: B

85. The endotoxic activity of Gram –negative bacteria is vested in
(A) Outer membrane proteins (B) Cell wall receptors
(C) Lipopolysaccharides present in the cell wall (D) Mucoplolysaccharides present in the cell wall

​Ans: C

86. Bacteria,frequently become Gram variable, showing irregular staining characteristics, during
(A) Lag phase (B) Exponential phase (C) Stationary phase (D) Death phase

​Ans: C

87. Catalase enzyme is absent in
(A) Anaerobic bacteria (B) Aerobic bacteria (C) Heterotrophic bacteria (D) Obligate Anaerobic bacteria

​Ans: A

88. Tetracyclins inhibit
(A) Cell wall synthesis (B) Protein synthesis (C) DNA replication (D) Metabolic pathway

​Ans: B

89. Sulfonamides,express competitive inhibition of
(A) Dihydropteric acid (B) Dihydrofolic acid (C) Tetrahydropteric acid (D) Tetrahydrofolic acid

​Ans: A

90. Advanced Microbiome analysis, that assist Forensic investigators to provide clues on individuals life style
(A) DNA fingerprint (B) Metagenomics (C) Microbial fingerprint (D) STRs

​Ans: C

91. As per the International arms control and disarmament treaty, use of biological weapons was banned in the year
(A) 1945 (B) 1950 (C) 1965 (D) 1972

​Ans: D

92. The number of deaths reported in the historic anthrax letter attack, of 2001
(A) 56 (B) 30 (C) 5 (D) 3

​Ans: C

93. A biological agent of Category A, responsible for tularemia
(A) Fusarium (F.) tularensis (B) Francisella (F.) tularensis (C) Bacillus tularensis (D) Mycoplasma tularensis

​Ans: B

94. In a fecal sample analysed, reported the presence of Entamoeba histolytica, inferring
(A) Amebic dysentery (B) Diarrhea (C) Hemolytic dysentery (D) Both (A) and (B)

​Ans: A

95. For isolation of Vibrio spp from stool, conventionally use
(A) TCS agar (B) TCBS agar (C) TMM agar (D) DCA agar
​Ans: B


96. Most bacteria are readily killed by
(A) 5% hydrochloric acid (B) 5% sodium hydroxide (C) 5% potassium hydroxide (D) Both (A) and (B)

​Ans: D

97. Excessive osmotic imbibitions, leading to swelling and rupture of bacterial cell
(A) Plasmoptysis (B) Plasmolysis (C) Osmolysis (D) Osmoptysis

​Ans: A

98. Low concentrations of Phenol
(A) ruptures cell wall (B) precipitate protein (C) disrupt DNA replication (D) disrupts ribosome

​Ans: B

99. Forensic investigation into bacterial gastroenteritis outbreak in a community, saw to the isolation of
(A) Shigella spp (B) E. Coli (C) Yersinia pestis (D) Both (A) and (B)

​Ans: D

100. Haemoglobin has more affinity for O2 in lungs when,
(A) Partial pressure of O2 is high in lungs (B) Partial pressure of CO2 is high in lungs
(C) Partial pressure of O2 is high in muscle tissues (D) Partial pressure of CO2 is high in muscle tissues

​Ans: A
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      • GEN. STUDIES- INDIA PAGE 5
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