FORENSIC SCIENCE- PAGE 6
FORENSIC SCIENCE MCQs
1. The approximate age of iron gallotannate ink on document can be determined with the help of
(A) TLC
(B) Colorimetric analysis of ink
(C) Chloride ion diffusion of ink
(D) Change in preservative
Ans: C
2. The following material is most suitable for toolmark casting
(A) Plasticine
(B) Sulphur
(C) Woods metal
(D) Wax
Ans: C
3. The angle of tool application should be fixed for making standard marks in
(A) Hammer
(B) Screwdriver
(C) Pliers
(D) Firing pin
Ans: B
4. Besides silica, the main constituents of dolomite soil is
(A) Aluminium oxide
(B) Ferrous oxide
(C) Calcium magnesium carbonate
(D) Calcium sulphate
Ans: C
5. Friction tool marks are prepared by
(a) Hammer
(b) Drill
(c) Saw
(d) Firing pin
Codes:
(A) (a) and (b) are correct
(B) (b) and (c) are correct
(C) (c) and (d) are correct
(D) (a) and (d) are correct
Ans: B
6. Assertion (A): A translucent design impressed into paper during manufacture is called as water mark.
Reason (R): They help in providing information about the origin of paper.
Codes:
(A) (A) is correct but (R) is incorrect.
(B) (A) is incorrect but (R) is correct.
(C) Both (A) and (R) are correct.
(D) Both (A) and (R) are incorrect.
Ans: C
7. Which of the following is not a psychiatric disorder?
(A) Delusion
(B) Dementia
(C) Diplopia
(D) Hallucination
Ans: C
8. Foamy liver is seen in
(A) Alcohol poisoning
(B) Phosphorous poisoning
(C) Drowning
(D) Putrefaction
Ans: D
9. The time limit for exhumation in India is
(A) 2 years
(B) 5 years
(C) 10 years
(D) No time limit
Ans: D
10. The earliest putrefactive colour changes after death is noticed over
(A) Cubital fossa
(B) Left iliac fossa
(C) Right iliac fossa
(D) Popliteal fossa
Ans: C
11. Which of the following is a feature in antemortem hanging?
(A) Fracture of hyoid bone
(B) Ligature mark around neck
(C) Protrusion of tongue
(D) Salivary dribbling
Ans: D
12. Singeing of hair around a wound of entry is seen at which range?
(A) Contact
(B) Close range
(C) Intermediate range
(D) Long range
Ans: B
13. Match the various sections of Forensic Science Lab with the physical evidence they are examining:
(a) Chemistry i. Ricochet bullet
(b) Physics ii. Insecticides
(c) Toxicology iii. Ink
(d) Ballistics iv. Skid marks
Codes:
(a) (b) (c) (d)
(A) iii i ii iv
(B) ii iv iii i
(C) i iv ii iii
(D) iii iv ii i
Ans: D
14. Flaying of the skin is associated with which of the following wounds?
(A) Avulsed laceration
(B) Grazed abrasion
(C) Patterned laceration
(D) Stretch laceration
Ans: A
15. The identification of shot gun is possible when the fired cartridge contains
(A) A shots
(B) B shots
(C) Buck Shots
(D) SSG shots
Ans: C
(A) TLC
(B) Colorimetric analysis of ink
(C) Chloride ion diffusion of ink
(D) Change in preservative
Ans: C
2. The following material is most suitable for toolmark casting
(A) Plasticine
(B) Sulphur
(C) Woods metal
(D) Wax
Ans: C
3. The angle of tool application should be fixed for making standard marks in
(A) Hammer
(B) Screwdriver
(C) Pliers
(D) Firing pin
Ans: B
4. Besides silica, the main constituents of dolomite soil is
(A) Aluminium oxide
(B) Ferrous oxide
(C) Calcium magnesium carbonate
(D) Calcium sulphate
Ans: C
5. Friction tool marks are prepared by
(a) Hammer
(b) Drill
(c) Saw
(d) Firing pin
Codes:
(A) (a) and (b) are correct
(B) (b) and (c) are correct
(C) (c) and (d) are correct
(D) (a) and (d) are correct
Ans: B
6. Assertion (A): A translucent design impressed into paper during manufacture is called as water mark.
Reason (R): They help in providing information about the origin of paper.
Codes:
(A) (A) is correct but (R) is incorrect.
(B) (A) is incorrect but (R) is correct.
(C) Both (A) and (R) are correct.
(D) Both (A) and (R) are incorrect.
Ans: C
7. Which of the following is not a psychiatric disorder?
(A) Delusion
(B) Dementia
(C) Diplopia
(D) Hallucination
Ans: C
8. Foamy liver is seen in
(A) Alcohol poisoning
(B) Phosphorous poisoning
(C) Drowning
(D) Putrefaction
Ans: D
9. The time limit for exhumation in India is
(A) 2 years
(B) 5 years
(C) 10 years
(D) No time limit
Ans: D
10. The earliest putrefactive colour changes after death is noticed over
(A) Cubital fossa
(B) Left iliac fossa
(C) Right iliac fossa
(D) Popliteal fossa
Ans: C
11. Which of the following is a feature in antemortem hanging?
(A) Fracture of hyoid bone
(B) Ligature mark around neck
(C) Protrusion of tongue
(D) Salivary dribbling
Ans: D
12. Singeing of hair around a wound of entry is seen at which range?
(A) Contact
(B) Close range
(C) Intermediate range
(D) Long range
Ans: B
13. Match the various sections of Forensic Science Lab with the physical evidence they are examining:
(a) Chemistry i. Ricochet bullet
(b) Physics ii. Insecticides
(c) Toxicology iii. Ink
(d) Ballistics iv. Skid marks
Codes:
(a) (b) (c) (d)
(A) iii i ii iv
(B) ii iv iii i
(C) i iv ii iii
(D) iii iv ii i
Ans: D
14. Flaying of the skin is associated with which of the following wounds?
(A) Avulsed laceration
(B) Grazed abrasion
(C) Patterned laceration
(D) Stretch laceration
Ans: A
15. The identification of shot gun is possible when the fired cartridge contains
(A) A shots
(B) B shots
(C) Buck Shots
(D) SSG shots
Ans: C
16. Which one is not neurosis in the following list ?
(A) Anxiety
(B) Schizophrenia
(C) Hypochondriacal
(D) Phobia
Ans: B
17. Assertion (A) : All humans have A antigens in blood.
Reason (R) : Because it produces both anti-A and anti-B antibodies.
Codes :
(A) (A) is correct and (R) is incorrect.
(B) (R) is correct and (A) is incorrect.
(C) Both (A) and (R) are incorrect.
(D) Both (A) and (R) are correct.
Ans: C
18. Short fragments of DNA labelled with radioactive tag are known as
(A) Probes
(B) Primers
(C) STR’s
(D) SSR’s
Ans: A
19. Urea Nitrate crystal test for urine produces _________ type of crystals.
(A) Hexagonal
(B) Needle-shaped
(C) Star shaped
(D) Flattened
Ans: A
20. Match the following :
List – I (Poison)
List – II (Common name)
a. Marijuana i. Moons
b. Mescaline ii. Smack
c. Cocaine iii. Pot
d. Heroin iv. Crack
Codes :
a b c d
(A) ii i iv iii
(B) iii i iv ii
(C) iv iii ii i
(D) iii iv ii i
Ans: B
21. The furnace oil or black oil consists of hydrocarbons above
(A) C20 (B) C30 (C) C40 (D) C50
Ans: C
22. Alcohol is oxidised to acetaldehyde in the liver by
(A) Peroxidase (B) Glyoxylase (C) Phospho glucomutase (D) Alcohol dehydrogenase
Ans: D
23. Alcohol and dhatura together can cause
(A) Allergy (B) Tolerance to both (C) Synergistic effect (D) Hyperactivity
Ans: C
24. Match the following :
List – I (Paint Pigment) List – II (Colour of paint)
a. 2PbCo3⋅ Pb(OH)2 i. Blue
b. Zinc chromate ii. White
c. Ferric ferrocyanide iii. Yellow
d. Impure ferric oxide iv. Bluish red to pale red brown
Codes : a b c d
(A) i ii iii iv
(B) iii i iv ii
(C) ii iii i iv
(D) ii iv iii i
Ans: C
25. Assertion (A) : Endrin is also called as ‘Plant Penicillin’.
Reason (R) : Endrin has a broad spectrum of activity against various insects and pests.
Codes :
(A) Both (A) and (R) are correct.
(B) (A) is correct but (R) is incorrect.
(C) (A) is incorrect but (R) is correct.
(D) Both (A) and (R) are incorrect.
Ans: A
26. The ballistics coefficient for LG shot is
(A) C = 0.008
(B) C = 0.035
(C) C = 0.025
(D) C = 0.046
Ans: B
27. Arrange the following firearms in ascending chronological order of their occurrence :
i. Match lock guns
ii. Flint lock musket
iii. Revolver
iv. Assault rifle
Codes :
(A) i ii iv iii
(B) ii iv iii i
(C) iv ii i iii
(D) i ii iii iv
Ans: D
28. Hanging is defined as
(A) Suspension of body by a ligature around the neck, body weight acting as constricting force.
(B) Suspension of body by ligature after death.
(C) Obliteration of air passages by external factors
(D) Mechanical interferences to respiration
Ans: A
29. Assertion (A) : Questioned bullet and test bullet can be compared positively by the comparison microscope.
Reason (R) : The breech block marks on fired bullets are identical.
Codes : (A) Both (A) and (R) are correct.
(B) (A) is correct but (R) is incorrect.
(C) Both (A) and (R) are incorrect.
(D) (A) is incorrect but (R) is correct.
Ans: B
30. These are common forms of Smokeless powders :
a. Ballistite b. Dynamite c. Blasting gelatine stick d. Cordite
Codes :
(A) a and c are correct.
(B) a and b are correct.
(C) a and d are correct.
(D) c and b are correct.
Ans: C
31. Triangular cross-section is seen in which type of hair ?
(A) Auxiliary hair
(B) Bread hair
(C) Eye brow hair
(D) Scalp hair
Ans: B
32. Assertion (A) : The gray hair may have few or no melanin granules.
Reason (R) : In the graying process of hair, there is a gradual loss of tyrosinase activity.
Codes :
(A) Both (A) and (R) are correct.
(B) (A) is correct but (R) is incorrect.
(C) (A) is incorrect but (R) is correct.
(D) Both (A) and (R) are incorrect.
Ans: A
33. Rayon is of following types, excepts :
(A) Cupramonium
(B) Polyvinyl acetate
(C) Polynosic
(D) Viscose
Ans: B
34. Decelerometer is an instrument which measures
(A) Rate of burning in arson case
(B) Speed of moving vehicle
(C) Rate of denotation in explosion
(D) Rate of decrease in speed of a moving vehicle as a brake testing instrument.
Ans: D
35. The following instruments are most useful to measure the various parameters of walking pattern :
a. Protractor
b. Divider
c. Measuring tape
d. Scale
Codes :
(A) a and b are correct.
(B) b and d are correct.
(C) b and c are correct.
(D) a and c are correct.
Ans: D
36. There are the useful methods of soil examination, except
(A) Density gradient – tube method
(B) Electrophoresis
(C) Thermo Gravimetric method
(D) Spectrographic analysis
Ans: B
37. The main components of Portland cement are
a. Aluminium oxide
b. Calcium oxide
c. Magnesium oxide
d. Silicon oxide
Codes :
(A) a and b are correct.
(B) b and d are correct.
(C) a and d are correct.
(D) b and c are correct.
Ans: B
38. The following compounds are not present in bottle glass :
a. SiO2
b. MnO
c. CaO
d. ZnO
Codes :
(A) a and b are correct.
(B) c and b are correct.
(C) b and d are correct.
(D) a and d are correct.
Ans: C
39. ABFO scale No. 2 is used in cases of
(A) Tool marks
(B) Bite marks
(C) Finger marks
(D) All of the above
Ans: B
40. Enamel is present in which of the following part of the tooth :
(A) Root
(B) Crown
(C) Pulp
(D) Dentine
Ans: B
41. Who is the author of the book ‘Human Skeleton in Forensic Medicine’ ?
(A) Bass, W.M.
(B) Krogman W.M. & Iscan, M.Y.
(C) Iscan, M.Y. & Kennedy, KAR
(D) Cox, M and Mays, S
Ans: B
42. The Dental formula for primary set of human dentition is
(A) 2102 /2102
(B) 2012/ 2012
(C) 2123/ 2123
(D) 1223/ 1223
Ans: A
43. Proportional relationship of size of various body parts with stature is known as
(A) Trignometry (B) Somatometry (C) Allometry (D) Anthropometry
Ans: C
44. Metopic suture generally closes by the age of
(A) 5 years (B) 2 years (C) 3 years (D) 10 years
Ans: B
45. Which of the following books has been authored by A.S. Osborn ?
(A) Questioned documents (B) The problem of proof
(C) Questioned document problems (D) All of the above
Ans: D
46. Which of the following component of sweat residue reacts with Indanedione to develop latent finger marks ?
(A) Urea (B) Sodium Chloride (C) Amino acids (D) Fatty acids
Ans: C
47. Cyanoacrylate in gel form is also known commercially as
(A) Soft evidence (B) Gel evidence (C) Fuming evidence (D) Hard evidence
Ans: D
48. Which of the following factors are important to be kept in mind while collecting the standards for comparison ?
(A) Contemporaneousness of writing (B) Similarity of the contents of the writing
(C) Sufficient amount of the writing (D) All of the above
Ans: D
49. Galton’s details in fingerprints can also be called as
(A) First level details (B) Second level details (C) Third level details (D) Fourth level details
Ans: B
50. Assertion (A) : Exact superimposition of one’s handwriting is indication of traced forgery.
Reason (R) : Two handwriting of the same individual are supposed to differ to an extent due to presence of natural variations.
Codes :
(A) Both (A) and (R) are incorrect.
(B) Both (A) and (R) are correct.
(C) (A) is correct but (R) is incorrect.
(D) (A) is incorrect but (R) is correct.
Ans: B
(A) Anxiety
(B) Schizophrenia
(C) Hypochondriacal
(D) Phobia
Ans: B
17. Assertion (A) : All humans have A antigens in blood.
Reason (R) : Because it produces both anti-A and anti-B antibodies.
Codes :
(A) (A) is correct and (R) is incorrect.
(B) (R) is correct and (A) is incorrect.
(C) Both (A) and (R) are incorrect.
(D) Both (A) and (R) are correct.
Ans: C
18. Short fragments of DNA labelled with radioactive tag are known as
(A) Probes
(B) Primers
(C) STR’s
(D) SSR’s
Ans: A
19. Urea Nitrate crystal test for urine produces _________ type of crystals.
(A) Hexagonal
(B) Needle-shaped
(C) Star shaped
(D) Flattened
Ans: A
20. Match the following :
List – I (Poison)
List – II (Common name)
a. Marijuana i. Moons
b. Mescaline ii. Smack
c. Cocaine iii. Pot
d. Heroin iv. Crack
Codes :
a b c d
(A) ii i iv iii
(B) iii i iv ii
(C) iv iii ii i
(D) iii iv ii i
Ans: B
21. The furnace oil or black oil consists of hydrocarbons above
(A) C20 (B) C30 (C) C40 (D) C50
Ans: C
22. Alcohol is oxidised to acetaldehyde in the liver by
(A) Peroxidase (B) Glyoxylase (C) Phospho glucomutase (D) Alcohol dehydrogenase
Ans: D
23. Alcohol and dhatura together can cause
(A) Allergy (B) Tolerance to both (C) Synergistic effect (D) Hyperactivity
Ans: C
24. Match the following :
List – I (Paint Pigment) List – II (Colour of paint)
a. 2PbCo3⋅ Pb(OH)2 i. Blue
b. Zinc chromate ii. White
c. Ferric ferrocyanide iii. Yellow
d. Impure ferric oxide iv. Bluish red to pale red brown
Codes : a b c d
(A) i ii iii iv
(B) iii i iv ii
(C) ii iii i iv
(D) ii iv iii i
Ans: C
25. Assertion (A) : Endrin is also called as ‘Plant Penicillin’.
Reason (R) : Endrin has a broad spectrum of activity against various insects and pests.
Codes :
(A) Both (A) and (R) are correct.
(B) (A) is correct but (R) is incorrect.
(C) (A) is incorrect but (R) is correct.
(D) Both (A) and (R) are incorrect.
Ans: A
26. The ballistics coefficient for LG shot is
(A) C = 0.008
(B) C = 0.035
(C) C = 0.025
(D) C = 0.046
Ans: B
27. Arrange the following firearms in ascending chronological order of their occurrence :
i. Match lock guns
ii. Flint lock musket
iii. Revolver
iv. Assault rifle
Codes :
(A) i ii iv iii
(B) ii iv iii i
(C) iv ii i iii
(D) i ii iii iv
Ans: D
28. Hanging is defined as
(A) Suspension of body by a ligature around the neck, body weight acting as constricting force.
(B) Suspension of body by ligature after death.
(C) Obliteration of air passages by external factors
(D) Mechanical interferences to respiration
Ans: A
29. Assertion (A) : Questioned bullet and test bullet can be compared positively by the comparison microscope.
Reason (R) : The breech block marks on fired bullets are identical.
Codes : (A) Both (A) and (R) are correct.
(B) (A) is correct but (R) is incorrect.
(C) Both (A) and (R) are incorrect.
(D) (A) is incorrect but (R) is correct.
Ans: B
30. These are common forms of Smokeless powders :
a. Ballistite b. Dynamite c. Blasting gelatine stick d. Cordite
Codes :
(A) a and c are correct.
(B) a and b are correct.
(C) a and d are correct.
(D) c and b are correct.
Ans: C
31. Triangular cross-section is seen in which type of hair ?
(A) Auxiliary hair
(B) Bread hair
(C) Eye brow hair
(D) Scalp hair
Ans: B
32. Assertion (A) : The gray hair may have few or no melanin granules.
Reason (R) : In the graying process of hair, there is a gradual loss of tyrosinase activity.
Codes :
(A) Both (A) and (R) are correct.
(B) (A) is correct but (R) is incorrect.
(C) (A) is incorrect but (R) is correct.
(D) Both (A) and (R) are incorrect.
Ans: A
33. Rayon is of following types, excepts :
(A) Cupramonium
(B) Polyvinyl acetate
(C) Polynosic
(D) Viscose
Ans: B
34. Decelerometer is an instrument which measures
(A) Rate of burning in arson case
(B) Speed of moving vehicle
(C) Rate of denotation in explosion
(D) Rate of decrease in speed of a moving vehicle as a brake testing instrument.
Ans: D
35. The following instruments are most useful to measure the various parameters of walking pattern :
a. Protractor
b. Divider
c. Measuring tape
d. Scale
Codes :
(A) a and b are correct.
(B) b and d are correct.
(C) b and c are correct.
(D) a and c are correct.
Ans: D
36. There are the useful methods of soil examination, except
(A) Density gradient – tube method
(B) Electrophoresis
(C) Thermo Gravimetric method
(D) Spectrographic analysis
Ans: B
37. The main components of Portland cement are
a. Aluminium oxide
b. Calcium oxide
c. Magnesium oxide
d. Silicon oxide
Codes :
(A) a and b are correct.
(B) b and d are correct.
(C) a and d are correct.
(D) b and c are correct.
Ans: B
38. The following compounds are not present in bottle glass :
a. SiO2
b. MnO
c. CaO
d. ZnO
Codes :
(A) a and b are correct.
(B) c and b are correct.
(C) b and d are correct.
(D) a and d are correct.
Ans: C
39. ABFO scale No. 2 is used in cases of
(A) Tool marks
(B) Bite marks
(C) Finger marks
(D) All of the above
Ans: B
40. Enamel is present in which of the following part of the tooth :
(A) Root
(B) Crown
(C) Pulp
(D) Dentine
Ans: B
41. Who is the author of the book ‘Human Skeleton in Forensic Medicine’ ?
(A) Bass, W.M.
(B) Krogman W.M. & Iscan, M.Y.
(C) Iscan, M.Y. & Kennedy, KAR
(D) Cox, M and Mays, S
Ans: B
42. The Dental formula for primary set of human dentition is
(A) 2102 /2102
(B) 2012/ 2012
(C) 2123/ 2123
(D) 1223/ 1223
Ans: A
43. Proportional relationship of size of various body parts with stature is known as
(A) Trignometry (B) Somatometry (C) Allometry (D) Anthropometry
Ans: C
44. Metopic suture generally closes by the age of
(A) 5 years (B) 2 years (C) 3 years (D) 10 years
Ans: B
45. Which of the following books has been authored by A.S. Osborn ?
(A) Questioned documents (B) The problem of proof
(C) Questioned document problems (D) All of the above
Ans: D
46. Which of the following component of sweat residue reacts with Indanedione to develop latent finger marks ?
(A) Urea (B) Sodium Chloride (C) Amino acids (D) Fatty acids
Ans: C
47. Cyanoacrylate in gel form is also known commercially as
(A) Soft evidence (B) Gel evidence (C) Fuming evidence (D) Hard evidence
Ans: D
48. Which of the following factors are important to be kept in mind while collecting the standards for comparison ?
(A) Contemporaneousness of writing (B) Similarity of the contents of the writing
(C) Sufficient amount of the writing (D) All of the above
Ans: D
49. Galton’s details in fingerprints can also be called as
(A) First level details (B) Second level details (C) Third level details (D) Fourth level details
Ans: B
50. Assertion (A) : Exact superimposition of one’s handwriting is indication of traced forgery.
Reason (R) : Two handwriting of the same individual are supposed to differ to an extent due to presence of natural variations.
Codes :
(A) Both (A) and (R) are incorrect.
(B) Both (A) and (R) are correct.
(C) (A) is correct but (R) is incorrect.
(D) (A) is incorrect but (R) is correct.
Ans: B
51. DNA typing facility in a forensic science laboratory in India was first introduced at
(A) Hyderabad CFSL
(B) Kolkata Central Forensic Science Lab.
(C) Chandigarh CFSL
(D) None of these
Ans: B
52. Tele Forensics Technology is used in
(A) Voice Identification
(B) Crime Scene Management
(C) Lie Detection
(D) None of these
Ans: B
53. The mechanical system of compound microscope consists of
a. Base
b. Condenser
c. Body tube
d. Illumination
Codes :
(A) a and b are correct.
(B) a and c are correct.
(C) b and d are correct.
(D) c and d are correct.
Ans: B
54. Those essential facts which show that a crime has definitely taken place are called
(A) Alveoli sacs
(B) Corpus dictum
(C) Corpus delicti
(D) Portrait parle
Ans: C
55. Assertion (A) : The answer in leading question asked during trial is given in yes or no.
Reason (R) : The leading questions are asked during examination in chief.
Codes :
(A) (A) is right but (R) is wrong.
(B) (A) is wrong but (R) is right.
(C) Both (A) and (R) are right.
(D) Both (A) and (R) are wrong.
Ans: A
56. Which of the following is not part of a monochromator ?
(A) An entrance slit
(B) A collimator
(C) A grating
(D) A photoemissive tube
Ans: D
57. In India, this place does not have a Central Detective Training School :
(A) Kolkata
(B) Delhi
(C) Hyderabad
(D) Chandigarh
Ans: B
58. Which of the following is valuable for analysing mixtures of aromatic amines ?
(A) X-ray spectroscopy
(B) Near-Infrared spectrometry
(C) U.V. Spectrophotometry
(D) AAS
Ans: B
59. The use of Physical developer to develop latent finger marks involve its reaction with which of the following components of sweat residue ?
(A) Amino acid
(B) Urea
(C) Triglycerides
(D) Squalene
Ans: C
60. Assertion (A) : In gas chromatography, retention time is used for identifying unknown compounds.
Reason (R) : Retention time is the time taken by a compound to travel from the column to the recorder of GC.
Codes :
(A) Both (A) and (R) are correct.
(B) (A) is correct but (R) is incorrect.
(C) (A) is incorrect but (R) is correct.
(D) Both (A) and (R) are incorrect.
Ans: B
61. Match the following :
List – I (Detectors)
List – II (Component of Detectors)
a. Differential Thermal conductivity detector
i. Polarizing electrode
b. Flame ionization detector
ii. A refractive index monitor
c. Electron capture detector
iii. Wheatstone bridge circuit
d. HPLC iv. Radioactive foil
Codes : a b c d
(A) iii i iv ii
(B) ii i iii iv
(C) iv iii i ii
(D) iv iii ii i
Ans: A
62. In an SDS-PAGE
(A) Proteins are denatured by SDS
(B) Proteins have the same chargeto-mass ratio
(C) Smaller proteins migrate more rapidly
(D) All of the above
Ans: D
63. The approximate frequency of AB blood group in population is
(A) 5 – 10 %
(B) 25 %
(C) 40 %
(D) 50 %
Ans: A
64. Which of the following is not used as a detector for gas liquid chromatography ?
(A) TCD
(B) FID
(C) ECD
(D) Thermocouples
Ans: D
65. Kastle-Meyer presumptive test for blood is also known as _______ test.
(A) Benzidine
(B) Phenolphthalein
(C) o-Tolidine
(D) TMB
Ans: B
66. DNA methylations can be influenced by
(A) Diet (B) Age (C) Life style choice (D) All of the above
Ans: D
67. Indiviuals with red hair express an increase in
(A) Eumelanin (B) Pheomelanin (C) Gamma melanin (D) Acromelanin
Ans: B
68. A global prediction model for skin colour, commercially used is based on
(A) 36 markers distributed among16 pigmentation gene (B) 25 markers distributed among 15 pigmentation gene
(C) 20 markers distributed among 5 pigmentation gene (D) 10 markers distributed among 5 pigmentation gene
Ans: A
69. Common cell types recovered from scenes of crime used for DNA phenotyping
(A) RBC (B) WBC (C) Epithelial cells (D) Both (B) and (C)
Ans: D
70. VNTR and other loci are used in Forensic analysis, as they are considered to be
(A) Expressing Hardy –Weinberg equilibrium (B) Accessible Allele frequency data base
(C) Selectively neutral or nearly so (D) Both (A) and (B)
Ans: C
71. A growing research area, in DNA analysis using epigenetic alterations, focus on
(A) Differentially modified regions (B) Differentially methylated regions
(C) Differentially methylated RNAs (D) Differentially modified RNAs
Ans: B
72. The descending order of immunoglobulin concentration in human sera
(A) IgG, IgA, IgM, IgD and IgE (B) IgA, IgM, IgG, IgD and IgE
(C) IgM, IgG, IgA, IgD and IgE (D) IgG, IgM, IgA, IgD, and IgE
Ans: A
73. Polypeptides composed of D- aminoacids are not antigenic
(A) They are metabolised by tissue (B) They are not metabolised by tissue
(C) They are neutralised easily (D) Both (A) and (C)
Ans: B
74. T cell independent(TI) antigens
(A) Antibody response is limited to IgM and IgG3 (B) Do not show immunological memory
(C) Metabolized very slowly and remain in the body for a long time (D) All of the above
Ans: D
75. Antibody secreted into external secretions and guards mucosal surfaces
(A) IgE (B) IgG (C) IgA (D) Both (A) and (B)
Ans: C
76. C- reactive protein
(A) Reflects survival time after trauma (B) Reflects degree of tissue damage
(C) Are stable for one month (D) All of the above
Ans: D
77. Which of the following protein has applications in Forensic Neuropathology?
(A) S90 proteins (B) S100 proteins (C) S121 proteins (D) S200 proteins
Ans: B
78. The advantage of isoenzyme method
(A) Stable in stains for over four weeks (B) isoenzyme pattern differ in human and animal
(C) Distinct from vaginal secretions band patterns (D) All of the above
Ans: D
79. CD8+ T lymphocyte are involved in antigen presentations in
(A) MHC Class 1 pathway (B) MHC Class 2 pathway (C) MHC Class 3 pathway (D) Both (A) and (B)
Ans: A
80. HLA typing is used
(A) To assess compatibility before tissue transplantation (B) In disputed paternity
(C) In finger printing (D) Both (A) and (B)
Ans: D
81. The mediator of hypersensitivity Type I reaction
(A) IgM (B) IgA (C) Histamine (D) IgG
Ans: C
82. “Protective biological lubricants” are
(A) membrane bound glycogens (B) membrane bound glycoproteins (C) membrane bound srarch (D) membrane bound chitins
Ans: B
83. The fatty acid tails of the phospholipid molecule in the cell membrane is
(A) Ahydrophobic (B) Hydrophilic (C) Amphipathic (D) Neutral
Ans: A
84. The proteins that are employed in mtDNA repair are encoded by,
(A) nuclear genes (B) hydrolase enzymes (C) lipolytic enzymes (D) epimerase enzymes
Ans: A
85. The assimilation of liquid into a cell by the budding of small vesicles from the cell membrane.
(A) Pinocytosis (B) Phagocytosis (C) Exocytosis (D) Digestion
Ans: A
86. White blood cells and embryonic cells exhibits ———locomotion in human body,
(A) Amoeboid locomotion (B) Gliding locomotion (C) Swarming locomotion (D) Flagellar locomotion
Ans: A
87. Transformation of cells broadly refers as,
(A) the change in phenotype of a cell due to a new genetic material. (B) no contact inhibition
(C) the change in phenotype of a cell due to a new biochemical material. (D) when cells are non-anchorage dependent
Ans: A
88. Delayed hypersensitivity is induced by
(A) Circulating antibodies (B) Sensitized T cells (C) Sensitized B cells (D) Both (A) and (C)
Ans: B
89. Lectins are potential tools for
(A) Isolation of glycoproteins (B) Identification and separation of cell types
(C) Identification of cell surface receptors (D) All of the above
Ans: D
90. Which of the following feature(s) renders Lectin its application in Forensic Science
(A) Proteinaceous (B) Sensitivity (C) Agglutination (D) Both (A) and (B)
Ans: C
91. In the complement cascade, the core event is the activation of
(A) C3 (B) C42 (C) C4 (D) C36
Ans: A
92. For any serological test generally, sensitivity and specificity are
(A) In direct proportion (B) In inverse proportion (C) Dependent on cell types (D) Independent of cell type
Ans: B
93. Finger printing contaminants and evaluating the concentration of these compounds is the focus in
(A) DNA finger printing (B) Forensic Medicine (C) Environmental Forensic (D) Both (A) and (B)
Ans: C
94. 2D gas chromatography, a powerful tool for complex mixture separation and characterization is
(A) GCxFC (B) GCxMS (C) GCxLC (D) GCxGC
Ans: D
95. Which of the following is not a biomarker in chemical finger printing using GCMS?
(A) Volatile Organic Compounds (B) Steranes (C) Triterpenes (D) Diterpenes
Ans: A
96. An important technique to provide information regarding status of ground water contaminants
(A) IRMS (B) GCMS (C) 2D GC (D) GIRMS
Ans: D
97. Organic polymers such as plastic and polymers are identified using
(A) PMC (B) FTIR (C) PLM (D) Both (B) and (C)
Ans: B
98. The leaded particles classified as autoexhaust
(A) Pb-Zn (B) Pb-Br (C) Pb-Cr (D) Pb only
Ans: B
99. Which of the following is a key identifier for common indoors and out door dust particle
(A) Lb-Br (B) Skin cells and mucous (C) Fungal cells (D) Skin cells
Ans: D
100. Petroleum coke in unknown sample can be identified by the presence of
(A) Sulfur (B) Nickel (C) Lead (D) Both (A) and (B)
Ans: A
(A) Hyderabad CFSL
(B) Kolkata Central Forensic Science Lab.
(C) Chandigarh CFSL
(D) None of these
Ans: B
52. Tele Forensics Technology is used in
(A) Voice Identification
(B) Crime Scene Management
(C) Lie Detection
(D) None of these
Ans: B
53. The mechanical system of compound microscope consists of
a. Base
b. Condenser
c. Body tube
d. Illumination
Codes :
(A) a and b are correct.
(B) a and c are correct.
(C) b and d are correct.
(D) c and d are correct.
Ans: B
54. Those essential facts which show that a crime has definitely taken place are called
(A) Alveoli sacs
(B) Corpus dictum
(C) Corpus delicti
(D) Portrait parle
Ans: C
55. Assertion (A) : The answer in leading question asked during trial is given in yes or no.
Reason (R) : The leading questions are asked during examination in chief.
Codes :
(A) (A) is right but (R) is wrong.
(B) (A) is wrong but (R) is right.
(C) Both (A) and (R) are right.
(D) Both (A) and (R) are wrong.
Ans: A
56. Which of the following is not part of a monochromator ?
(A) An entrance slit
(B) A collimator
(C) A grating
(D) A photoemissive tube
Ans: D
57. In India, this place does not have a Central Detective Training School :
(A) Kolkata
(B) Delhi
(C) Hyderabad
(D) Chandigarh
Ans: B
58. Which of the following is valuable for analysing mixtures of aromatic amines ?
(A) X-ray spectroscopy
(B) Near-Infrared spectrometry
(C) U.V. Spectrophotometry
(D) AAS
Ans: B
59. The use of Physical developer to develop latent finger marks involve its reaction with which of the following components of sweat residue ?
(A) Amino acid
(B) Urea
(C) Triglycerides
(D) Squalene
Ans: C
60. Assertion (A) : In gas chromatography, retention time is used for identifying unknown compounds.
Reason (R) : Retention time is the time taken by a compound to travel from the column to the recorder of GC.
Codes :
(A) Both (A) and (R) are correct.
(B) (A) is correct but (R) is incorrect.
(C) (A) is incorrect but (R) is correct.
(D) Both (A) and (R) are incorrect.
Ans: B
61. Match the following :
List – I (Detectors)
List – II (Component of Detectors)
a. Differential Thermal conductivity detector
i. Polarizing electrode
b. Flame ionization detector
ii. A refractive index monitor
c. Electron capture detector
iii. Wheatstone bridge circuit
d. HPLC iv. Radioactive foil
Codes : a b c d
(A) iii i iv ii
(B) ii i iii iv
(C) iv iii i ii
(D) iv iii ii i
Ans: A
62. In an SDS-PAGE
(A) Proteins are denatured by SDS
(B) Proteins have the same chargeto-mass ratio
(C) Smaller proteins migrate more rapidly
(D) All of the above
Ans: D
63. The approximate frequency of AB blood group in population is
(A) 5 – 10 %
(B) 25 %
(C) 40 %
(D) 50 %
Ans: A
64. Which of the following is not used as a detector for gas liquid chromatography ?
(A) TCD
(B) FID
(C) ECD
(D) Thermocouples
Ans: D
65. Kastle-Meyer presumptive test for blood is also known as _______ test.
(A) Benzidine
(B) Phenolphthalein
(C) o-Tolidine
(D) TMB
Ans: B
66. DNA methylations can be influenced by
(A) Diet (B) Age (C) Life style choice (D) All of the above
Ans: D
67. Indiviuals with red hair express an increase in
(A) Eumelanin (B) Pheomelanin (C) Gamma melanin (D) Acromelanin
Ans: B
68. A global prediction model for skin colour, commercially used is based on
(A) 36 markers distributed among16 pigmentation gene (B) 25 markers distributed among 15 pigmentation gene
(C) 20 markers distributed among 5 pigmentation gene (D) 10 markers distributed among 5 pigmentation gene
Ans: A
69. Common cell types recovered from scenes of crime used for DNA phenotyping
(A) RBC (B) WBC (C) Epithelial cells (D) Both (B) and (C)
Ans: D
70. VNTR and other loci are used in Forensic analysis, as they are considered to be
(A) Expressing Hardy –Weinberg equilibrium (B) Accessible Allele frequency data base
(C) Selectively neutral or nearly so (D) Both (A) and (B)
Ans: C
71. A growing research area, in DNA analysis using epigenetic alterations, focus on
(A) Differentially modified regions (B) Differentially methylated regions
(C) Differentially methylated RNAs (D) Differentially modified RNAs
Ans: B
72. The descending order of immunoglobulin concentration in human sera
(A) IgG, IgA, IgM, IgD and IgE (B) IgA, IgM, IgG, IgD and IgE
(C) IgM, IgG, IgA, IgD and IgE (D) IgG, IgM, IgA, IgD, and IgE
Ans: A
73. Polypeptides composed of D- aminoacids are not antigenic
(A) They are metabolised by tissue (B) They are not metabolised by tissue
(C) They are neutralised easily (D) Both (A) and (C)
Ans: B
74. T cell independent(TI) antigens
(A) Antibody response is limited to IgM and IgG3 (B) Do not show immunological memory
(C) Metabolized very slowly and remain in the body for a long time (D) All of the above
Ans: D
75. Antibody secreted into external secretions and guards mucosal surfaces
(A) IgE (B) IgG (C) IgA (D) Both (A) and (B)
Ans: C
76. C- reactive protein
(A) Reflects survival time after trauma (B) Reflects degree of tissue damage
(C) Are stable for one month (D) All of the above
Ans: D
77. Which of the following protein has applications in Forensic Neuropathology?
(A) S90 proteins (B) S100 proteins (C) S121 proteins (D) S200 proteins
Ans: B
78. The advantage of isoenzyme method
(A) Stable in stains for over four weeks (B) isoenzyme pattern differ in human and animal
(C) Distinct from vaginal secretions band patterns (D) All of the above
Ans: D
79. CD8+ T lymphocyte are involved in antigen presentations in
(A) MHC Class 1 pathway (B) MHC Class 2 pathway (C) MHC Class 3 pathway (D) Both (A) and (B)
Ans: A
80. HLA typing is used
(A) To assess compatibility before tissue transplantation (B) In disputed paternity
(C) In finger printing (D) Both (A) and (B)
Ans: D
81. The mediator of hypersensitivity Type I reaction
(A) IgM (B) IgA (C) Histamine (D) IgG
Ans: C
82. “Protective biological lubricants” are
(A) membrane bound glycogens (B) membrane bound glycoproteins (C) membrane bound srarch (D) membrane bound chitins
Ans: B
83. The fatty acid tails of the phospholipid molecule in the cell membrane is
(A) Ahydrophobic (B) Hydrophilic (C) Amphipathic (D) Neutral
Ans: A
84. The proteins that are employed in mtDNA repair are encoded by,
(A) nuclear genes (B) hydrolase enzymes (C) lipolytic enzymes (D) epimerase enzymes
Ans: A
85. The assimilation of liquid into a cell by the budding of small vesicles from the cell membrane.
(A) Pinocytosis (B) Phagocytosis (C) Exocytosis (D) Digestion
Ans: A
86. White blood cells and embryonic cells exhibits ———locomotion in human body,
(A) Amoeboid locomotion (B) Gliding locomotion (C) Swarming locomotion (D) Flagellar locomotion
Ans: A
87. Transformation of cells broadly refers as,
(A) the change in phenotype of a cell due to a new genetic material. (B) no contact inhibition
(C) the change in phenotype of a cell due to a new biochemical material. (D) when cells are non-anchorage dependent
Ans: A
88. Delayed hypersensitivity is induced by
(A) Circulating antibodies (B) Sensitized T cells (C) Sensitized B cells (D) Both (A) and (C)
Ans: B
89. Lectins are potential tools for
(A) Isolation of glycoproteins (B) Identification and separation of cell types
(C) Identification of cell surface receptors (D) All of the above
Ans: D
90. Which of the following feature(s) renders Lectin its application in Forensic Science
(A) Proteinaceous (B) Sensitivity (C) Agglutination (D) Both (A) and (B)
Ans: C
91. In the complement cascade, the core event is the activation of
(A) C3 (B) C42 (C) C4 (D) C36
Ans: A
92. For any serological test generally, sensitivity and specificity are
(A) In direct proportion (B) In inverse proportion (C) Dependent on cell types (D) Independent of cell type
Ans: B
93. Finger printing contaminants and evaluating the concentration of these compounds is the focus in
(A) DNA finger printing (B) Forensic Medicine (C) Environmental Forensic (D) Both (A) and (B)
Ans: C
94. 2D gas chromatography, a powerful tool for complex mixture separation and characterization is
(A) GCxFC (B) GCxMS (C) GCxLC (D) GCxGC
Ans: D
95. Which of the following is not a biomarker in chemical finger printing using GCMS?
(A) Volatile Organic Compounds (B) Steranes (C) Triterpenes (D) Diterpenes
Ans: A
96. An important technique to provide information regarding status of ground water contaminants
(A) IRMS (B) GCMS (C) 2D GC (D) GIRMS
Ans: D
97. Organic polymers such as plastic and polymers are identified using
(A) PMC (B) FTIR (C) PLM (D) Both (B) and (C)
Ans: B
98. The leaded particles classified as autoexhaust
(A) Pb-Zn (B) Pb-Br (C) Pb-Cr (D) Pb only
Ans: B
99. Which of the following is a key identifier for common indoors and out door dust particle
(A) Lb-Br (B) Skin cells and mucous (C) Fungal cells (D) Skin cells
Ans: D
100. Petroleum coke in unknown sample can be identified by the presence of
(A) Sulfur (B) Nickel (C) Lead (D) Both (A) and (B)
Ans: A