FCTOXI
  • 1. Which chemical test can differentiate between original and altered ink entries?
A) Chromatographic
B) Density gradient test
C) Immersion refractive index test
D) Paper aging test
  • 2. What is the primary purpose of the folding endurance test in paper analysis?
A) To test water absorption
B) To detect embedded fibers
C) To identify the paper manufacturer
D) To determine the paper's strength and durability
  • 3. When white light passes through a glass sample, the bending of light is most closely related to which property?
A) Thickness
B) Density
C) Color
D) Refractive index
  • 4. What fracture pattern cracks appear first and radiate from the point of impact?
A) Concentric Cracks
B) Compression cracks
C) Conchoidal
D) Radial Cracks
  • 5. A bullet passes through a glass pane, leaving two hole impressions with overlapping cracks. How do you determine the firing sequence?
A) The direction of bullet entry
B) The cracks of the first impact are interrupted by the second
C) The thickness of glass
D) By counting the cracks
  • 6. What metallurgical process involves removing layers from a metal surface to reveal tampered serial numbers?
A) Etching
B) Electroplating
C) Molding
D) Annealing
  • 7. Which alloy is commonly used to counterfeit coins by casting?
A) Aluminum alloy
B) Lead Alloy
C) Titanium alloy
D) Copper-zinc alloy
  • 8. Which soil component is most abundant in the Philippines and often relevant for forensic identification?
A) Organic humus
B) Quartz
C) Calcium carbonate
D) Clay minerals like mica
  • 9. Occupational dust on a suspect's clothing helps to
A) Confirm age
B) Prove identity conclusively
C) Reveal their place of work
D) Determine time of death
  • 10. .What casting material is preferred for delicate footwear impressions?
A) Plaster of Paris
B) Sand
C) Dental stone
D) Wax
  • 11. An ink that rapidly fades upon exposure to water in likely
A) Anailine or nigrosine ink
B) Metallic ink
C) Carbon ink
D) Gallotanic ink
  • 12. Which paper component confers water resistance?
A) Ash content
B) Cellulose
C) Gelatin
D) Rosin
  • 13. The term "compression mark" in the context of tool impression refers to
A) Impressions caused by friction
B) Linear scratches made by a saw
C) Multiple overlapping tool marks
D) Deformation caused by a direct blow causing one strike mark
  • 14. What is the forensic significance of a watermark?
A) It identifies the manufacturer and authenticity
B) It indicates document age
C) It detects forgery automatically
D) It reveals ink composition
  • 15. Radial cracks in glass form on the surface opposite the force of impact
A) False
B) True
  • 16. Laminated glass differs from tempered glass in that it
A) Has no forensic significance
B) Does not shatter easily due to an inner plastic interlayer
C) Shatters into tiny fragments
D) Is easily scratched
  • 17. How do forensic experts analyze soil samples attached to clothing?
A) pH value alone
B) Particle size, mineral content, organic elements
C) Color only
D) Water content
  • 18. The distinctiveness of footprints is most dependent on
A) Size only
B) The shoe brand
C) The type of soil
D) Individualized wear patterns and ridge details
  • 19. What is an important microscopic feature examiners look for in handwriting?
A) Stroke direction, pressure variation, pen lifts or hesitations
B) Paper texture
C) Signature length
D) Ink smell
  • 20. What is the best way to preserve a fragile ink signature for forensic analysis?
A) Flatten and laminate immediately
B) Apply chemicals to enhance visit
C) Allow drying them carefully protect with acid free paper
  • 21. What is the purpose of the flotation method in soil analysis
A) To separate soil particles by density
B) To assess soil ph
C) To measure soil temperature
D) To identify soil color
  • 22. Which test helps to distinguish paper sizing type
A) Peneration test
B) Ink Chromatography
C) Density gradient test
D) Chemical reaction(boiling nitric acid )
  • 23. What forensic advantage does spectrographic analysis provide
A) Visual identification
B) DNA Measures density
C) Elemental composition of trace materials
D) Isolates Dna
  • 24. Which factor complicates forensic comparison of glass Fragments
A) Thickness uniformity
B) Similarity of refractive indices among common glasses
C) Surface smoothness
D) Color uniformily
  • 25. Which gives the most reliable microscopy evidence of tool mark
A) Casting the impression
B) Photographic record alone
C) Chemical treatment
D) Visual inspection
  • 26. When examining ink for alterations, what physical sign is often looked for
A) Paper fold
B) Logo presence
C) Ink color uniformity
D) Indentation differences and overlapping strokes
  • 27. is dental stone preferred over plaster of Paris for casting?
A) its dries slower
B) It is less expensive
C) It has superior mechanical strength and captures fine details
D) It sets faster
  • 28. A forgery that imitates an individual's signature is called
A) Anonymous writing
B) Disguised writing
C) Simulated writing
D) Traced writing
  • 29. The presence of hematite in soil samples can indicate
A) Water pollution
B) Industrial contamination
C) High iron content useful for matching samples
D) Organic decomposition
  • 30. Which of these ink types is most stable and unlikely to fade over time?
A) Aniline ink
B) Get ink
C) Pencil mark
D) India ink
  • 31. Which test differentiate paper based on its ash content ?
A) Density gradient
B) Burn test
C) Ink chromatography
D) Water absoration
  • 32. Which is a common limitation of forensic soil comparsons?
A) Soil contains DNA
B) Soil is highly variable within a single location
C) Soil is impossible to analyze
  • 33. What does watermark visibility under transmitted light help establish?
A) Ink type
B) Age of the content
C) Paper authenticity and manufacturing source
D) Document size
  • 34. What is the significance of ink diffusion into paper fiber ?
A) It only influences color
B) It is irrelevant in forensic analysis
C) It can complicate attempt to erase or after writing
D) It makes forgery easier
  • 35. How is the fracture surface of glass described?
A) Rough, conchoidal (shell-shaped) in many cases
B) Smooth and shiny
C) Flat and polished
D) Rellective
  • 36. Which soil characteristic is most useful in identifying a geographic origin?
A) Soil brightness
B) Odor
C) Moisture content
D) Clay mineral composition
  • 37. Why is in chromatography valuable?
A) It determines paper age
B) It quantifies ink weight
C) It separates ink components, to identify specific formulations
D) It measures ink acidity
  • 38. Which print type is commonly used as evidence in criminal cases?
A) Footwear impressions
B) Fingernail prints
C) Ink prints
D) Air prints
  • 39. What is the typical microscopic structure forensic experts look for in soil?
A) Mineral particles and organic material
B) Leaf fragments only
C) Water droplets
D) Clump size and shapes
  • 40. An alteration on a document created by washing ink with chemicals is called
A) Tracing
B) Obliteration
C) Erasure
D) Simulated writing
Created with That Quiz — where a math practice test is always one click away.