IAI Latent Print Certification Test with
true answers with 200 + questions
and answers
What sequence of latent print development techniques are used to develop prints from
porous materials? - VERRIFIED ANSWERS✔️✔️--DFO, Ninhydrin, Physical
Developer
The final purple coloured compound usually produced with the treatment of Ninhydrin -
VERRIFIED ANSWERS✔️✔️--Ruhemann's Purple
,What latent print development technique is used to process nonporous materials that
are wet? - VERRIFIED ANSWERS✔️✔️--Small Particle Reagent
A dye which stains protein present in blood to give a blue-black product - VERRIFIED
ANSWERS✔️✔️--Amido Black
The following types of fingerprints will fluoresce under appropriate illumination -
VERRIFIED ANSWERS✔️✔️--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 -
VERRIFIED ANSWERS✔️✔️--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... -
VERRIFIED ANSWERS✔️✔️--Adhesive surface of adhesive tapes
Alternative process names for Gentian Violet - VERRIFIED ANSWERS✔️✔️--1.
Crystal Violet
2. Methyl Violet
Alternative process name for Amido Black - VERRIFIED ANSWERS✔️✔️--
Naphthalene Black
Iodine vapour is physically absorbed by latent fingerprint deposits and often fades
unless fixed. What color image is formed using iodine vapour? - VERRIFIED
ANSWERS✔️✔️--Brown
Gentian Violet can interfere with the forensic examination for: - VERRIFIED
ANSWERS✔️✔️--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? - VERRIFIED
ANSWERS✔️✔️--Amino Acids
How long does it generally take for Ninhydrin treated prints to naturally, fully develop -
VERRIFIED ANSWERS✔️✔️--Several weeks
The development of Ninhydrin treated prints may be accelerated with the use of? -
VERRIFIED ANSWERS✔️✔️--Heating and Humidification
, Ninhydrin which uses a Freon solvent virtually eliminates the following problem when
processing porous materials for latent prints? - VERRIFIED ANSWERS✔️✔️--Ink
running
Ninhydrin may be applied using what methods? - VERRIFIED ANSWERS✔️✔️--1.
Dipping
2. Brushing
3. Spraying
Physical Developer (PD) is what kind of aqueous reagent? - VERRIFIED
ANSWERS✔️✔️--Silver-based
Physical Developer reacts with components of sebaceous sweat to form what colored
deposit? - VERRIFIED ANSWERS✔️✔️--Grey-silver
Physical Developer is a very effective reagent for developing latent fingerprints on paper
which has been: - VERRIFIED ANSWERS✔️✔️--Wetted
These flake powders have been shown to be more sensitive than most other types of
powders - VERRIFIED ANSWERS✔️✔️--Aluminum
Which latent print development technique was replaced by the Ninhydrin/Physical
Developer combination for treating porous materials for latent prints? - VERRIFIED
ANSWERS✔️✔️--Silver Nitrate
Silver Nitrate reacts with what component present in fingerprint deposits? - VERRIFIED
ANSWERS✔️✔️--Chlorides
Small Particel Reagent (SPR) is a latent print development technique that may be used
on all non-porous surfaces including those which are ... - VERRIFIED
ANSWERS✔️✔️--Wet
What does Small Particle Reagent adheres to in the fingerprint deposit? - VERRIFIED
ANSWERS✔️✔️--Fats
Small Particle Reagent is comprised of what fine particles? - VERRIFIED
ANSWERS✔️✔️--Molybdenum Disulphide
Small Particle Reagent forms what color deposit? - VERRIFIED ANSWERS✔️✔️--
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 - VERRIFIED
ANSWERS✔️✔️--Sudan Black
true answers with 200 + questions
and answers
What sequence of latent print development techniques are used to develop prints from
porous materials? - VERRIFIED ANSWERS✔️✔️--DFO, Ninhydrin, Physical
Developer
The final purple coloured compound usually produced with the treatment of Ninhydrin -
VERRIFIED ANSWERS✔️✔️--Ruhemann's Purple
,What latent print development technique is used to process nonporous materials that
are wet? - VERRIFIED ANSWERS✔️✔️--Small Particle Reagent
A dye which stains protein present in blood to give a blue-black product - VERRIFIED
ANSWERS✔️✔️--Amido Black
The following types of fingerprints will fluoresce under appropriate illumination -
VERRIFIED ANSWERS✔️✔️--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 -
VERRIFIED ANSWERS✔️✔️--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... -
VERRIFIED ANSWERS✔️✔️--Adhesive surface of adhesive tapes
Alternative process names for Gentian Violet - VERRIFIED ANSWERS✔️✔️--1.
Crystal Violet
2. Methyl Violet
Alternative process name for Amido Black - VERRIFIED ANSWERS✔️✔️--
Naphthalene Black
Iodine vapour is physically absorbed by latent fingerprint deposits and often fades
unless fixed. What color image is formed using iodine vapour? - VERRIFIED
ANSWERS✔️✔️--Brown
Gentian Violet can interfere with the forensic examination for: - VERRIFIED
ANSWERS✔️✔️--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? - VERRIFIED
ANSWERS✔️✔️--Amino Acids
How long does it generally take for Ninhydrin treated prints to naturally, fully develop -
VERRIFIED ANSWERS✔️✔️--Several weeks
The development of Ninhydrin treated prints may be accelerated with the use of? -
VERRIFIED ANSWERS✔️✔️--Heating and Humidification
, Ninhydrin which uses a Freon solvent virtually eliminates the following problem when
processing porous materials for latent prints? - VERRIFIED ANSWERS✔️✔️--Ink
running
Ninhydrin may be applied using what methods? - VERRIFIED ANSWERS✔️✔️--1.
Dipping
2. Brushing
3. Spraying
Physical Developer (PD) is what kind of aqueous reagent? - VERRIFIED
ANSWERS✔️✔️--Silver-based
Physical Developer reacts with components of sebaceous sweat to form what colored
deposit? - VERRIFIED ANSWERS✔️✔️--Grey-silver
Physical Developer is a very effective reagent for developing latent fingerprints on paper
which has been: - VERRIFIED ANSWERS✔️✔️--Wetted
These flake powders have been shown to be more sensitive than most other types of
powders - VERRIFIED ANSWERS✔️✔️--Aluminum
Which latent print development technique was replaced by the Ninhydrin/Physical
Developer combination for treating porous materials for latent prints? - VERRIFIED
ANSWERS✔️✔️--Silver Nitrate
Silver Nitrate reacts with what component present in fingerprint deposits? - VERRIFIED
ANSWERS✔️✔️--Chlorides
Small Particel Reagent (SPR) is a latent print development technique that may be used
on all non-porous surfaces including those which are ... - VERRIFIED
ANSWERS✔️✔️--Wet
What does Small Particle Reagent adheres to in the fingerprint deposit? - VERRIFIED
ANSWERS✔️✔️--Fats
Small Particle Reagent is comprised of what fine particles? - VERRIFIED
ANSWERS✔️✔️--Molybdenum Disulphide
Small Particle Reagent forms what color deposit? - VERRIFIED ANSWERS✔️✔️--
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 - VERRIFIED
ANSWERS✔️✔️--Sudan Black
