IAI LATENT PRINT CERTIFICATION
TEST 2025 |GUARANTEED
ACCURATE ANSWERS
What sequence of latent print development techniques are used to
develop prints from porous materials? - Accurate ✔✔✔ DFO,
Ninhydrin, Physical Developer.
The final purple coloured compound usually produced with the
treatment of Ninhydrin - Accurate ✔✔✔ Ruhemann's Purple.
What latent print development technique is used to process nonporous
materials that are wet? - Accurate ✔✔✔ Small Particle Reagent
A dye which stains protein present in blood to give a blue-black product
- Accurate ✔✔✔ Amido Black
The following types of fingerprints will fluoresce under appropriate
illumination - Accurate ✔✔✔ 1. Natural latent fingerprints
2. Some types of contamination arising from the environment and
subsequently deposited in fingerprints
May be one of the first processes used in a sequence of a fingerprint
examination - Accurate ✔✔✔ Fluorescence examination
,Gentian violet is a dye which stains fatty constituents of sebaceous sweat
producing an intense purple image. It is very effective for the
development of latent fingerprints on... - Accurate ✔✔✔ Adhesive
surface of adhesive tapes
Alternative process names for Gentian Violet - Accurate ✔✔✔ 1.
Crystal Violet
2. Methyl Violet
Alternative process name for Amido Black - Accurate ✔✔✔
Naphthalene Black
Iodine vapour is physically absorbed by latent fingerprint deposits and
often fades unless fixed. What color image is formed using iodine
vapour? - Accurate ✔✔✔ Brown
Gentian Violet can interfere with the forensic examination for: -
Accurate ✔✔✔ 1. Handwriting
2. Body fluids
3. Ink
Ninhydrin is a general purpose fingerprint reagent for paper and some
other porous surfaces. What component of a fingerprint deposit does it
react with? - Accurate ✔✔✔ Amino Acids
,How long does it generally take for Ninhydrin treated prints to naturally,
fully develop - Accurate ✔✔✔ Several weeks
The development of Ninhydrin treated prints may be accelerated with
the use of? - Accurate ✔✔✔ Heating and Humidification
Ninhydrin which uses a Freon solvent virtually eliminates the following
problem when processing porous materials for latent prints? - Accurate
✔✔✔ Ink running
Ninhydrin may be applied using what methods? - Accurate ✔✔✔ 1.
Dipping
2. Brushing
3. Spraying
Physical Developer (PD) is what kind of aqueous reagent? - Accurate
✔✔✔ Silver-based
Physical Developer reacts with components of sebaceous sweat to form
what colored deposit? - Accurate ✔✔✔ Grey-silver
Physical Developer is a very effective reagent for developing latent
fingerprints on paper which has been: - Accurate ✔✔✔ Wetted
These flake powders have been shown to be more sensitive than most
other types of powders - Accurate ✔✔✔ Aluminum
, Which latent print development technique was replaced by the
Ninhydrin/Physical Developer combination for treating porous materials
for latent prints? - Accurate ✔✔✔ Silver Nitrate
Silver Nitrate reacts with what component present in fingerprint
deposits? - Accurate ✔✔✔ Chlorides
Small Particel Reagent (SPR) is a latent print development technique
that may be used on all non-porous surfaces including those which are ...
- Accurate ✔✔✔ Wet
What does Small Particle Reagent adheres to in the fingerprint deposit? -
Accurate ✔✔✔ Fats
Small Particle Reagent is comprised of what fine particles? - Accurate
✔✔✔ Molybdenum Disulphide
Small Particle Reagent forms what color deposit? - Accurate ✔✔✔
Grey, also white and black
The best latent print development technique for use on non-porous
surfaces which are contaminated with grease, foodstuffs, or dried
deposits of soft drinks - Accurate ✔✔✔ Sudan Black
TEST 2025 |GUARANTEED
ACCURATE ANSWERS
What sequence of latent print development techniques are used to
develop prints from porous materials? - Accurate ✔✔✔ DFO,
Ninhydrin, Physical Developer.
The final purple coloured compound usually produced with the
treatment of Ninhydrin - Accurate ✔✔✔ Ruhemann's Purple.
What latent print development technique is used to process nonporous
materials that are wet? - Accurate ✔✔✔ Small Particle Reagent
A dye which stains protein present in blood to give a blue-black product
- Accurate ✔✔✔ Amido Black
The following types of fingerprints will fluoresce under appropriate
illumination - Accurate ✔✔✔ 1. Natural latent fingerprints
2. Some types of contamination arising from the environment and
subsequently deposited in fingerprints
May be one of the first processes used in a sequence of a fingerprint
examination - Accurate ✔✔✔ Fluorescence examination
,Gentian violet is a dye which stains fatty constituents of sebaceous sweat
producing an intense purple image. It is very effective for the
development of latent fingerprints on... - Accurate ✔✔✔ Adhesive
surface of adhesive tapes
Alternative process names for Gentian Violet - Accurate ✔✔✔ 1.
Crystal Violet
2. Methyl Violet
Alternative process name for Amido Black - Accurate ✔✔✔
Naphthalene Black
Iodine vapour is physically absorbed by latent fingerprint deposits and
often fades unless fixed. What color image is formed using iodine
vapour? - Accurate ✔✔✔ Brown
Gentian Violet can interfere with the forensic examination for: -
Accurate ✔✔✔ 1. Handwriting
2. Body fluids
3. Ink
Ninhydrin is a general purpose fingerprint reagent for paper and some
other porous surfaces. What component of a fingerprint deposit does it
react with? - Accurate ✔✔✔ Amino Acids
,How long does it generally take for Ninhydrin treated prints to naturally,
fully develop - Accurate ✔✔✔ Several weeks
The development of Ninhydrin treated prints may be accelerated with
the use of? - Accurate ✔✔✔ Heating and Humidification
Ninhydrin which uses a Freon solvent virtually eliminates the following
problem when processing porous materials for latent prints? - Accurate
✔✔✔ Ink running
Ninhydrin may be applied using what methods? - Accurate ✔✔✔ 1.
Dipping
2. Brushing
3. Spraying
Physical Developer (PD) is what kind of aqueous reagent? - Accurate
✔✔✔ Silver-based
Physical Developer reacts with components of sebaceous sweat to form
what colored deposit? - Accurate ✔✔✔ Grey-silver
Physical Developer is a very effective reagent for developing latent
fingerprints on paper which has been: - Accurate ✔✔✔ Wetted
These flake powders have been shown to be more sensitive than most
other types of powders - Accurate ✔✔✔ Aluminum
, Which latent print development technique was replaced by the
Ninhydrin/Physical Developer combination for treating porous materials
for latent prints? - Accurate ✔✔✔ Silver Nitrate
Silver Nitrate reacts with what component present in fingerprint
deposits? - Accurate ✔✔✔ Chlorides
Small Particel Reagent (SPR) is a latent print development technique
that may be used on all non-porous surfaces including those which are ...
- Accurate ✔✔✔ Wet
What does Small Particle Reagent adheres to in the fingerprint deposit? -
Accurate ✔✔✔ Fats
Small Particle Reagent is comprised of what fine particles? - Accurate
✔✔✔ Molybdenum Disulphide
Small Particle Reagent forms what color deposit? - Accurate ✔✔✔
Grey, also white and black
The best latent print development technique for use on non-porous
surfaces which are contaminated with grease, foodstuffs, or dried
deposits of soft drinks - Accurate ✔✔✔ Sudan Black
