- 1. _________ It is consist of one layer of non- nucleated polygonal cells which overlaps like a scale on fish.
A) Cuticle
B) Medulla or core
C) Cortex
- 2. ________ brownish black pigment in the hair, skin or etc.
A) Melanin
B) Medulla
C) Color
- 3. __________under the microscope this hair has a dull appearance and the color tone is constant.
A) Dyed hair
B) Wet hair
C) Dry hair
- 4. _________according to the medullary index of hair from different part of the body, what is the medulla of the man's hair on his forehead.
A) 0.132
B) 0.148
- 5. _________The medulla is usually narrower in width when present.
A) Alien hair
B) Human hair
- 6. ____________according to the medullary index what is the medulla of the hair ow a woman in her armpits?
A) 0.102
B) 0.179
- 7. ______________In the characteristic of hair, Identify from which race hair does this characteristics belong. Hair usually contains heavy black medulla or core.
A) Caucasian race hair
B) Mongoloid race hair
C) Negroid race hair
- 8. _________from which part of the body does his hair came from. Vary in thickness along the shaft and are immature but are somewhat similar to head hair. They have fine and long tip end.
A) Axillary hair
B) Limb hair
C) Public hair
D) Trunk hair
- 9. this kind of hair has an irregular shape and structure. looks like pubic hair but the ends are sharper, and the hair is not so curly.
A) Trunk hair
B) Limb hair
C) Public hair
D) Axillary hair
- 10. _________more wiry, have more constriction and twists and usually have continues broad medulla.
A) Trunk hair
B) Limb hair
C) Axillary hair
D) Public hair
- 11. ____________ Mongolold race hoa From which does this shape.
A) Mongoloid race hair
B) Caucasian race hair
C) Negroid race hair
- 12. __________Which race does this characteristics belong, hair is usually kinky with marked variation in the diameter along the shaft
A) Negroid race hair
B) Caucasian race hair
C) Mongoloid race hair
- 13. _________Representative samples of hair from the victim as well as the suspect should be obtained if possible. It consist of at least how many strands of full length hair to be obtained?
A) 14
B) 13
C) 11
D) 12
- 14. _________ Medulla may not be present, indicates that the medulla is of what origin?
A) Animal origin
B) Human origin
C) Alien origin
- 15. Which is not belong to the group?
A) Cross section will be oval to round in shape.
B) Contain heavy pigment distributed unevenly.
C) Thin cross section of the hair is oval in shape
D) Hair is usually kinky with marked variation in the diameter along the shaft.
- 16. Which one belongs to the Mongoloid race hair?
A) Usually straight and wavy and not kinky.
B) Hair is coarse and straight with very little variation in diameter along the shaft of the hair.
C) Hair contains very fine to coarse pigment and more evenly distributed.
D) Cross section will be oval to round in shape
- 17. Similar to axillary hair but are coarser and do not appear bleached.
A) Moustache
B) Pubic hair
C) Trunk hair
D) Limb hair
- 18. Through adolescence is generally finer and more immature that adult hair but cannot be definitely differentiated with certainty.
A) Children hair
B) Infants hair
C) Todeller hair
D) Teens hair
- 19. Fiber is smoulder or burn slowly and give odor like that
of the burning feather. When removed to the flame will not continue to burn readily and charred beard remains at the end of the fiber.
A) Mineral fiber
B) Silk
C) Animal fiber
D) Vegetable fiber
- 20. Under the ultraviolet light what is the color of bleached
wool?
A) Light yellow
B) Bluish-white to bluish yellow
C) Brilliant white
D) Brilliant flesh yellow
- 21. Under the ultra violet light it shows very bright light blue,
much brighter and whiter than acetate silk.
A) Cuprate silk
B) Nitro silk
C) Natural silk
D) Acetate silk
- 22. Smooth, cylindrical lustrous threads, usually single but
often double, the twin-filaments held together by an
envelope of gum.
A) Artificial silk
B) Wild silk
C) Cultivated silk
D) Natural silk
- 23. Odor not so pungent, fumes have no effect on the lead
acetate paper.
A) Fibers
B) Wool
C) Silk
D) Asbesto
- 24. What is the french term for textiles.
A) Textere
B) Textulis
C) textelis
D) Textilis
- 25. Maybe made to determine either the rate of absorption or the total absorption of the paper.
A) Chemical test
B) soaking in tea solution
C) Absorption technique
D) absorption test
- 26. the following
are examples of sizing materials except.
A) Rosin
B) Mechanical pulp
C) Rag sulfite
D) Soda-sulfite mixture
- 27. which does not belong to the group.
A) Ironing
B) soaking in coffee solution
C) absorption test
D) exposure to charcoal
- 28. The color changes undergone by Gallotanic ink in the process of oxidation provides a valuable means of estimating the approximate age of the writing. If it appears to be Blue it indicates it is_______ .
A) Very recent
B) still less recent
C) not recent
D) less recent
- 29. The color is dependent on the inorganic salt added, but on drying and standing they turn black.
A) colored writng ink
B) Nigrosine ink
C) Logwood ink
D) Carbon ink
- 30. The oldest ink material
known ________.
A) Aniline ink
B) Nigrosine ink
C) Logwood ink
D) India ink
- 31. Today most all colored inks are composed of synthetic aniline dyestuffs dissolves in water. In certain colored inks amraonjum vanadate is added to render the writing more permanent.
A) Colored writing ink
B) chinese ink
C) ballpoint pen ink
D) logwood ink
- 32. Term applied to the partially visible depression appearing on a sheet of paper underneath the one that visible writing appearance.
A) Contact writing
B) writing on carbon paper
C) Obliteration
D) Intended writing
- 33. It easily smudge, affected by moisture, maybe washed off from the paper with
A) Nigrosine ink
B) Carbon ink
C) India ink
D) Chinese ink
- 34. Marks was prouced on paper by the flexible wire soldered to the surface of the dandy roll that caries the water marks.
A) Stamp mark
B) Water mark
C) Wire ink
D) Ink mark
- 35. _________An original or official written or printed-paper furnishing information or used as a proof of something.
A) Document
B) Paper
- 36. ___________Unnecesary writng which is not capable of being read usually made of checks, birth certificates, passports and transcript of records.
A) Contact writing
B) Iligible writing
C) Visible writing
- 37. _____________Ground wood sulfite mixture, this is pulp from coniferous and dicotyledonous wood in
combination with sulfite chemical pulp from conifers.
A) Soda-sulfite mixture
B) Mechanical pulp
C) Rag sulfite
- 38. __________ It can be detected by the addition of million's reagents on the paper. Pink color appears if
______ is present.
A) Starch
B) Rosin
C) Casein
- 39. __________added to paper to give weight.
A) Sizing material
B) Fiber composition
C) Loading material
- 40. _________added to paper to improve its texture.
A) Fiber composition
B) Sizing material
C) Loading material
- 41. _______Apparent-pressure is necessary to burst a hole in a sheet when property is inserted in a suitable instrument.
A) Folding endurance test
B) Bursting strength or pop test
C) Accelerated aging test
- 42. _______Extracted by heating the paper ona water bath with 95% alcohol.
A) Casein
B) Rosin
C) Starch
- 43. _________No definite procedure which can be given for this determination except when the color is black, since on the observation that within a few hours the color of ink writings becomes darker the dye contained therein is influenced by the light of the room, oxygen of the air, acidity or alkalinity of the paper.
A) Age of ink
B) Age of paper
- 44. _________ The obscuring of writing by superimposing ink, pencil or other marking materials.
A) Ensures
B) Intended writing
C) Obliteration
D) Contact writing
- 45. The oldest known explosive
A) Black powder
B) Smokeless powder
- 46. Is the mostly widely used propellant.
A) Smokeless powder
B) Black powder
- 47. ________ the taking of the cast to extract the nitrates embedded or implanted in the skin.
A) Dyphenylamine test
B) Paraffin test
- 48. ___________ the chemical aspect of the test. It determines the presence and and distribution of nitrates
A) Diphenylamine test
B) Paraffin test
- 49. Blackening of are around the bullet hole.
A) Smudging
B) Singeing
C) Tattooing
A) Tattooing
B) Smudging
C) Singeing
- 51. Individual specks of nitrates around the bullet hole visible to the naked eye. It is a black coarsely peppered pattern.
A) Smudging
B) Tattooing
C) Singeing
- 52. This test is used if the powder particles are deeply embedded. It is based on the conversion of nitrates to a dye.
A) Walker's test
B) Running test
- 53. A weapon on high velocity projectile
A) Rifle
B) Shotgun
C) Gunshot
- 54. Is a collection of small shot consisting of lead pellets that vary in size with types of cartridge.
A) Shotgun or sporting gun
B) Rifle
- 55. Which of the following is the primary goal of an arson investigation?
A) To determine the weather conditions at the time of the fire
B) To calculate the fire's intensity
C) To identify the fire's origin
D) To identify the fire's color
- 56. What is the term for a chemical compound commonly used to start fires intentionally?
A) Fuel
B) Inhibitor
C) Accelerant
D) Oxidizer
- 57. What tool is commonly used in arson investigations to detect the presence of accelerants?
A) Fire blanket
B) Thermometer
C) Gas chromatograph
D) Fire Hose
- 58. Which of the following is a common sign of arson at a fire scene?
A) Fire patterns following natural ventilation routes
B) Fire patterns with a distinct "V" shape
C) A single point of origin
D) Minimal damage to the surrounding structure
- 59. The term "point of origin" in an arson investigation refers to:
A) The location of the fire's smoke damage
B) The place where the fire was first detected by the authorities
C) The location where the fire spread the most
D) The initial place where the fire started
- 60. In an arson case, which of the following would be considered a suspicious feature?
A) A fire originating from an electrical fault in a home
B) Smoke and fire traveling in a consistent direction
C) Multiple points of origin that are far apart
D) A fire occurring in an area with no fire alarm systems
- 61. What is a "flashover" in the context of a fire investigation?
A) A secondary fire caused by the first fire's heat
B) A situation where a fire is extinguished due to lack of oxygen
C) The point at which all combustible materials in a room ignite simultaneously
D) A rapid decrease in temperature after the fire has been put out
- 62. What is the primary purpose of collecting debris samples during an arson investigation?
A) To determine the amount of structural damage
B) To determine the size of the fire
C) To identify the heat source of the fire
D) To test for the presence of accelerants
- 63. Which of the following is typically used to determine the exact time a fire started?
A) Fire location and smoke patterns
B) Temperature of charred materials
C) Fire spread rate
D) Time it took for the fire department to arrive
- 64. Which of these behaviors is common among in arson investigations?
A) Becoming hostile and defensive when questioned
B) Offering a detailed account of the fire's origin
C) Displaying excessive emotion or distress
D) Staying close to the scene and offering assistance
- 65. The presence of which of the following materials would be most suspicious in an arson investigation?
A) Charred paper remnants
B) Petroleum-based products
C) Brick and stone construction
D) Wooden furniture
- 66. What is the role of a fire pattern analysis in arson mvestigation?
A) To determine the fire's size
B) To estimate the fire's origin and spread
C) To identify the cause of the fire
D) To determine the temperature of the fire
- 67. Which of the following is NOT typically the role of a fire investigator?
A) Collecting evidence for criminal prosecution
B) Examining fire-related deaths and injuries
C) Witnessing the fire's ignition
D) Determining the cause of the fire
- 68. Which of the following actions is critical when collecting evidence in an arson investigation?
A) Discarding any evidence that seems too difficult to analyze
B) Leaving all debris and fire remnants at the scene
C) Taking photographs before any evidence is moved
D) Immediately extinguishing the fire to prevent further damage
- 69. Arson is the malicious buming of a building or property, a dwelling house.
A) arson under the revised penal code
B) arson under the common law.
C) arson at present laws.
D) arson according to webster
- 70. The moving causes that induces the commission of a crime. Something that leads or influences a person to do something.
A) Malice
B) Willfulness
C) Motive
D) Intent
- 71. which is an example of natural cause of fire.
A) mosquito coils
B) careless smoking
C) spontaneous combustion
D) faulty wiring
- 72. A good indication of the intensity of fire and sometimes of the nature of the combustible substance present.
A) Intensity
B) Color of the flame
C) Direction of travel.
D) Size of the fire
- 73. While investigating the scene of a suspected arson, you notice several small burn marks spread out over a large area. What might this suggest?
A) Multiple points of origin
B) The fire was caused by a lightning strike
C) The fire spread evenly across the entire building
D) The fire started from a single point of origin
- 74. You find a burnt matchstick near the origin of the fire, but there are no other signs of accelerants. What is the most likely explanation?
A) The matchstick is unrelated to the cause of the fire
B) The fire was likely accidental
C) The fire was intentionally set using a small, controlled flame
D) The matchstick is evidence of arson
A) deoxybonucleic acid
B) deoxyrebonucliec aacid
C) deoxyribonucleic acid
D) deoxybonucliec acid
- 76. How is DNA evidence typically collected from a crime scene?
A) By swabbing areas with bodily fluids or hair samples
B) By taking blood samples from a suspect
C) By analyzing a suspect's handwriting
D) By collecting fingerprints from the scene
- 77. In forensic science, what is "PCR" (Polymerase Chain Reaction) used for?
A) To analyze the shape of DNA molecules
B) To repair damaged DNA
C) To synthesize new DNA
D) To create multiple copies of DNA from a small sample
- 78. Which of the following is an example of a type of DNA evidence that can be found at a crime scene?
A) Saliva
B) Hair without roots
C) Blood stains
D) All of the above
- 79. What is the concept of "DNA profiling" used for in criminal investigations?
A) To determine how old the DNA sample is
B) To compare DNA from different sources and identify a match
C) To prove the psychological profile of the suspect
D) To find the geographical origin of the crime
- 80. What happens if DNA collected from a crime scene does not match any database records during analysis?
A) The case is immediately dismissed
B) The DNA is automatically destroyed to avoid contamination
C) The investigation is considered closed
D) The case remains unsolved until further evidence is found
- 81. Which of the following can DNA evidence NOT typically prove in a criminal investigation?
A) The relationship between a victim and a suspect
B) The exact motive of the crime
C) The presence of a suspect at a crime scene
D) The identity of a suspect
- 82. A suspect in a robbery is arrested, but no direct DNA evidence is found on the suspect's clothing or in their home. Investigators find a cigarette butt near the crime scene. How can this DNA evidence be useful?
A) It can be used to prove the suspect's motive
B) It could potentially match the suspect's DNA if they had smoked it
C) It can confirm the suspect's exact location at the time of the crime
D) It is not useful because it's not related to the crime scene
- 83. After analyzing a suspect's DNA, the lab confirms it matches the DNA found at the crime scene.
However, the suspect insists they were never near the crime scene. What is the next logical step in resolving this discrepancy?
A) Ignore the DNA evidence and focus on witness statements
B) Conclude the case based on the DNA match
C) Arrest the suspect without further investigation
D) Reanalyze the DNA sample to ensure the result is correct
- 84. A suspect is found with a DNA sample matching the crime scene, but the defense claims the DNA was planted. What is a critical step in disproving this claim?
A) Show that the DNA collection process was properly documented and handled
B) Prove suspect's prior criminal history
C) Ignore the defense's claims if DNA matches
D) Conduct an interview with the suspect's family members
- 85. Characteristics are needed so that the minute lines and ridges in the impression do not break or disintegrate?
A) Must harden rapidly to a rigid mass
B) Should not injured the impression
C) It must easy to apply
- 86. Wood's metal is made of B, pb,Sn, and CD. What is amount in percentage of those elements in the materials?
A) Pb 50%,Cd12.5%,Sn25%,B12.5%
B) B12%,Sn25%,Pb12.5%Cd50%
C) Cf 12.5%,Pb 25%,B50%,Sn12.5%
D) Cf 12.5%,Pb 25%,B50%,Sn12.5%
- 87. According to woods metal composition and to periodic table of elements, Cd is a symbol for what clements?
A) Cudium
B) Cadmium
C) Carbon dioxide
D) Cadium
- 88. Variety of solder with melting point of 60C to 70C
A) Negocoll
B) Alloy
C) Wood's metal
D) Celerity
- 89. Adding ½ teaspoonful of salt to plaster of paris result to what effect
A) Accelerating
B) Retarding
C) Hardening
D) Hastening
- 90. In tool impression and tire impression, what kind of casting material is best for it?
A) Negocoll
B) Plastic material
C) Woods metal
D) Plaster of paris
E) Plaster of Paris
- 91. It is rubbing gelatinous consisting material, consisting of colloidal magnesium soap
A) Plaster of paris
B) Negocoll
C) Plastic material
D) Celerit
E) Negocoll
- 92. 8. Which one is not correct in the following statement.
A) H
B) L
C) Imprint is a weak mark by made by gravity that stays on the surface
D) K
- 93. Impression of a single blow of a hammer is an example of
A) Freckles marks
B) Friction marks
C) Tool marks
D) Compression marks
- 94. 10. ______ has also presence of trace elements which may be sufficient to establish or negate the fact of a common
A) Solid
B) Oxide
C) Gas
D) Glass
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