- 1. _________ It is consist of one layer of non- nucleated polygonal cells which overlaps like a scale on fish.
A) Cortex
B) Medulla or core
C) Cuticle
- 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) 0.148
B) 0.132
- 5. _________The medulla is usually narrower in width when present.
A) Human hair
B) Alien 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) Negroid race hair
C) Mongoloid 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) Trunk hair
B) Axillary hair
C) Public hair
D) Limb 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) Limb hair
B) Public hair
C) Trunk hair
D) Axillary hair
- 10. _________more wiry, have more constriction and twists and usually have continues broad medulla.
A) Limb hair
B) Axillary hair
C) Public hair
D) Trunk hair
- 11. ____________ Mongolold race hoa From which does this shape.
A) Mongoloid race hair
B) Negroid race hair
C) Caucasian 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) 12
B) 14
C) 13
D) 11
- 14. _________ Medulla may not be present, indicates that the medulla is of what origin?
A) Alien origin
B) Animal origin
C) Human origin
- 15. Which is not belong to the group?
A) Thin cross section of the hair is oval in shape
B) Cross section will be oval to round in shape.
C) Contain heavy pigment distributed unevenly.
D) Hair is usually kinky with marked variation in the diameter along the shaft.
- 16. Which one belongs to the Mongoloid race hair?
A) Hair contains very fine to coarse pigment and more evenly distributed.
B) Cross section will be oval to round in shape
C) Hair is coarse and straight with very little variation in diameter along the shaft of the hair.
D) Usually straight and wavy and not kinky.
- 17. Similar to axillary hair but are coarser and do not appear bleached.
A) Limb hair
B) Moustache
C) Pubic hair
D) Trunk hair
- 18. Through adolescence is generally finer and more immature that adult hair but cannot be definitely differentiated with certainty.
A) Teens hair
B) Infants hair
C) Todeller hair
D) Children 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) Animal fiber
B) Mineral fiber
C) Silk
D) Vegetable fiber
- 20. Under the ultraviolet light what is the color of bleached
wool?
A) Bluish-white to bluish yellow
B) Brilliant white
C) Light yellow
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) Acetate silk
C) Natural silk
D) Nitro 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) Wool
B) Asbesto
C) Silk
D) Fibers
- 24. What is the french term for textiles.
A) Textilis
B) textelis
C) Textere
D) Textulis
- 25. Maybe made to determine either the rate of absorption or the total absorption of the paper.
A) absorption test
B) soaking in tea solution
C) Absorption technique
D) Chemical test
- 26. the following
are examples of sizing materials except.
A) Rag sulfite
B) Rosin
C) Soda-sulfite mixture
D) Mechanical pulp
- 27. which does not belong to the group.
A) absorption test
B) Ironing
C) soaking in coffee solution
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) still less recent
B) not recent
C) Very 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) Carbon ink
D) Logwood ink
- 30. The oldest ink material
known ________.
A) Nigrosine ink
B) Aniline 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) logwood ink
B) ballpoint pen ink
C) Colored writing ink
D) chinese ink
- 32. Term applied to the partially visible depression appearing on a sheet of paper underneath the one that visible writing appearance.
A) Intended writing
B) writing on carbon paper
C) Obliteration
D) Contact writing
- 33. It easily smudge, affected by moisture, maybe washed off from the paper with
A) Chinese ink
B) Nigrosine ink
C) India ink
D) Carbon 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) Wire ink
B) Ink mark
C) Water mark
D) Stamp 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) Rag sulfite
B) Mechanical pulp
C) Soda-sulfite mixture
- 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) Loading material
B) Sizing material
C) Fiber composition
- 40. _________added to paper to improve its texture.
A) Sizing material
B) Loading material
C) Fiber composition
- 41. _______Apparent-pressure is necessary to burst a hole in a sheet when property is inserted in a suitable instrument.
A) Bursting strength or pop test
B) Accelerated aging test
C) Folding endurance test
- 42. _______Extracted by heating the paper ona water bath with 95% alcohol.
A) Starch
B) Rosin
C) Casein
- 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 paper
B) Age of ink
- 44. _________ The obscuring of writing by superimposing ink, pencil or other marking materials.
A) Obliteration
B) Contact writing
C) Intended writing
D) Ensures
- 45. The oldest known explosive
A) Black powder
B) Smokeless powder
- 46. Is the mostly widely used propellant.
A) Black powder
B) Smokeless 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) Paraffin test
B) Diphenylamine test
- 49. Blackening of are around the bullet hole.
A) Smudging
B) Tattooing
C) Singeing
A) Singeing
B) Smudging
C) Tattooing
- 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) Running test
B) Walker's test
- 53. A weapon on high velocity projectile
A) Shotgun
B) Gunshot
C) Rifle
- 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 identify the fire's color
B) To identify the fire's origin
C) To calculate the fire's intensity
D) To determine the weather conditions at the time of the fire
- 56. What is the term for a chemical compound commonly used to start fires intentionally?
A) Inhibitor
B) Accelerant
C) Oxidizer
D) Fuel
- 57. What tool is commonly used in arson investigations to detect the presence of accelerants?
A) Gas chromatograph
B) Fire Hose
C) Thermometer
D) Fire blanket
- 58. Which of the following is a common sign of arson at a fire scene?
A) A single point of origin
B) Minimal damage to the surrounding structure
C) Fire patterns with a distinct "V" shape
D) Fire patterns following natural ventilation routes
- 59. The term "point of origin" in an arson investigation refers to:
A) The initial place where the fire started
B) The location of the fire's smoke damage
C) The location where the fire spread the most
D) The place where the fire was first detected by the authorities
- 60. In an arson case, which of the following would be considered a suspicious feature?
A) Smoke and fire traveling in a consistent direction
B) Multiple points of origin that are far apart
C) A fire occurring in an area with no fire alarm systems
D) A fire originating from an electrical fault in a home
- 61. What is a "flashover" in the context of a fire investigation?
A) The point at which all combustible materials in a room ignite simultaneously
B) A rapid decrease in temperature after the fire has been put out
C) A situation where a fire is extinguished due to lack of oxygen
D) A secondary fire caused by the first fire's heat
- 62. What is the primary purpose of collecting debris samples during an arson investigation?
A) To identify the heat source of the fire
B) To determine the amount of structural damage
C) To test for the presence of accelerants
D) To determine the size of the fire
- 63. Which of the following is typically used to determine the exact time a fire started?
A) Time it took for the fire department to arrive
B) Temperature of charred materials
C) Fire spread rate
D) Fire location and smoke patterns
- 64. Which of these behaviors is common among in arson investigations?
A) Displaying excessive emotion or distress
B) Offering a detailed account of the fire's origin
C) Staying close to the scene and offering assistance
D) Becoming hostile and defensive when questioned
- 65. The presence of which of the following materials would be most suspicious in an arson investigation?
A) Wooden furniture
B) Charred paper remnants
C) Petroleum-based products
D) Brick and stone construction
- 66. What is the role of a fire pattern analysis in arson mvestigation?
A) To determine the temperature of the fire
B) To estimate the fire's origin and spread
C) To determine the fire's size
D) To identify the cause of the fire
- 67. Which of the following is NOT typically the role of a fire investigator?
A) Examining fire-related deaths and injuries
B) Collecting evidence for criminal prosecution
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) Taking photographs before any evidence is moved
B) Leaving all debris and fire remnants at the scene
C) Discarding any evidence that seems too difficult to analyze
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 at present laws.
C) arson according to webster
D) arson under the common law.
- 70. The moving causes that induces the commission of a crime. Something that leads or influences a person to do something.
A) Motive
B) Malice
C) Intent
D) Willfulness
- 71. which is an example of natural cause of fire.
A) spontaneous combustion
B) mosquito coils
C) careless smoking
D) faulty wiring
- 72. A good indication of the intensity of fire and sometimes of the nature of the combustible substance present.
A) Size of the fire
B) Direction of travel.
C) Intensity
D) Color of the flame
- 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) The fire spread evenly across the entire building
B) Multiple points of origin
C) The fire started from a single point of origin
D) The fire was caused by a lightning strike
- 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 fire was intentionally set using a small, controlled flame
B) The fire was likely accidental
C) The matchstick is unrelated to the cause of the fire
D) The matchstick is evidence of arson
A) deoxyribonucleic acid
B) deoxybonucleic acid
C) deoxybonucliec acid
D) deoxyrebonucliec aacid
- 76. How is DNA evidence typically collected from a crime scene?
A) By swabbing areas with bodily fluids or hair samples
B) By analyzing a suspect's handwriting
C) By collecting fingerprints from the scene
D) By taking blood samples from a suspect
- 77. In forensic science, what is "PCR" (Polymerase Chain Reaction) used for?
A) To synthesize new DNA
B) To analyze the shape of DNA molecules
C) To create multiple copies of DNA from a small sample
D) To repair damaged DNA
- 78. Which of the following is an example of a type of DNA evidence that can be found at a crime scene?
A) Hair without roots
B) All of the above
C) Saliva
D) Blood stains
- 79. What is the concept of "DNA profiling" used for in criminal investigations?
A) To prove the psychological profile of the suspect
B) To determine how old the DNA sample is
C) To compare DNA from different sources and identify a match
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 remains unsolved until further evidence is found
B) The investigation is considered closed
C) The case is immediately dismissed
D) The DNA is automatically destroyed to avoid contamination
- 81. Which of the following can DNA evidence NOT typically prove in a criminal investigation?
A) The identity of a suspect
B) The exact motive of the crime
C) The presence of a suspect at a crime scene
D) The relationship between a victim and 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 is not useful because it's not related to the crime scene
B) It can be used to prove the suspect's motive
C) It can confirm the suspect's exact location at the time of the crime
D) It could potentially match the suspect's DNA if they had smoked it
- 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) Ignore the defense's claims if DNA matches
B) Conduct an interview with the suspect's family members
C) Prove suspect's prior criminal history
D) Show that the DNA collection process was properly documented and handled
- 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) B12%,Sn25%,Pb12.5%Cd50%
B) Cf 12.5%,Pb 25%,B50%,Sn12.5%
C) Cf 12.5%,Pb 25%,B50%,Sn12.5%
D) Pb 50%,Cd12.5%,Sn25%,B12.5%
- 87. According to woods metal composition and to periodic table of elements, Cd is a symbol for what clements?
A) Cudium
B) Cadmium
C) Cadium
D) Carbon dioxide
- 88. Variety of solder with melting point of 60C to 70C
A) Alloy
B) Negocoll
C) Wood's metal
D) Celerity
- 89. Adding ½ teaspoonful of salt to plaster of paris result to what effect
A) Hastening
B) Hardening
C) Retarding
D) Accelerating
- 90. In tool impression and tire impression, what kind of casting material is best for it?
A) Negocoll
B) Woods metal
C) Plastic material
D) Plaster of paris
E) Plaster of Paris
- 91. It is rubbing gelatinous consisting material, consisting of colloidal magnesium soap
A) Negocoll
B) Celerit
C) Negocoll
D) Plaster of paris
E) Plastic material
- 92. 8. Which one is not correct in the following statement.
A) Imprint is a weak mark by made by gravity that stays on the surface
B) H
C) L
D) K
- 93. Impression of a single blow of a hammer is an example of
A) Tool marks
B) Friction marks
C) Compression marks
D) Freckles marks
- 94. 10. ______ has also presence of trace elements which may be sufficient to establish or negate the fact of a common
A) Glass
B) Solid
C) Oxide
D) Gas
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