©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
IAI CERTIFICATION Exam Questions And
Answers |Latest 2025 | Guaranteed Pass.
DFO, Ninhydrin, Physical Developer - Answer✔What sequence of latent print development
techniques are used to develop prints from porous materials?
Ruhemann's Purple - Answer✔The final purple coloured compound usually produced with the
treatment of Ninhydrin
Small Particle Reagant - Answer✔What latent print development technique is used to process
nonporous material that are wet?
Amino Black - Answer✔A dye which stains protein present in blood to give a blue-black product
Natural latent fingerprints and fingerprints contaminated from the environment - Answer✔The
following types of fingerprints will fluoresce under appropriate illumination
1|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
Fluorescence Examination - Answer✔One of the first processes used in a sequence of a
fingerprint examination
Adhesive surface of adhesive tapes - Answer✔Gentian Violet is a dye which stains fatty
constituents of sebaceous sweat producing an intense purple image. It is effective for the
development of what kind of prints?
Naphthalene Black - Answer✔Alternative process name for Amido Black
Brown - Answer✔Iodine vapour is physically absorbed by latent fingerprint deposits and often
fades unless fixed. What color image is formed using iodine vapour?
Gentian Violet - Answer✔What can interfere with the forensic examination for handwriting,
body fluids, and ink?
Amino acids - Answer✔Ninhydrin is a general purpose fingerprint reagent for paper and some
other porous surfaces. What component of a fingerprint deposit does it react with?
Several weeks - Answer✔How long does it generally take for Ninhydrin treated prints to fully
develop naturally?
2|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
Heating and humidification - Answer✔The development of Ninhydrin treated prints may be
accelerated with the use of:
Ink running - Answer✔Ninhydrin which uses a Freon solvent virtually eliminates the following
problem when processing porous materials for latent prints
Ninhydrin - Answer✔What is applied using the method of dipping, brushing, swabbing or
spraying?
silver-based - Answer✔Physical developer (PD) is what kind of aqueous reagent?
Grey-silver - Answer✔Physical developer reacts with components of sebaceous sweat to form
what colored deposit?
Wetted - Answer✔Physical developer is a very effective reagent for developing latent
fingerprints on paper which has been?
Aluminum - Answer✔These flake powders have been shown to be more sensitive than most
types of powders
3|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
Silver Nitrate - Answer✔Which latent print development technique was replaced by the
Ninhydrin/Physical Developer combination for treating porous materials
Chlorides - Answer✔Silver Nitrate reacts with what component present in fingerprint deposits
wet - Answer✔Small particle reagent (SPR) is a latent print development technique that may be
used on all non-porous surfaces including those which are
Fats - Answer✔What does Small Particle Reagent adhere to in the fingerprint deposit?
Molybdenum Disulphide - Answer✔Small Particle Reagent is comprised of what fine particles?
Grey - Answer✔Small Particle Reagent forms what color deposit?
Sudan Black - Answer✔The best latent print development technique for use on non-porous
surfaces which are contaminated with grease, foodstuffs, or dried deposits of soft drinks
Cyanoacrylate - Answer✔An alternative process name for superglue is
4|Page
IAI CERTIFICATION Exam Questions And
Answers |Latest 2025 | Guaranteed Pass.
DFO, Ninhydrin, Physical Developer - Answer✔What sequence of latent print development
techniques are used to develop prints from porous materials?
Ruhemann's Purple - Answer✔The final purple coloured compound usually produced with the
treatment of Ninhydrin
Small Particle Reagant - Answer✔What latent print development technique is used to process
nonporous material that are wet?
Amino Black - Answer✔A dye which stains protein present in blood to give a blue-black product
Natural latent fingerprints and fingerprints contaminated from the environment - Answer✔The
following types of fingerprints will fluoresce under appropriate illumination
1|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
Fluorescence Examination - Answer✔One of the first processes used in a sequence of a
fingerprint examination
Adhesive surface of adhesive tapes - Answer✔Gentian Violet is a dye which stains fatty
constituents of sebaceous sweat producing an intense purple image. It is effective for the
development of what kind of prints?
Naphthalene Black - Answer✔Alternative process name for Amido Black
Brown - Answer✔Iodine vapour is physically absorbed by latent fingerprint deposits and often
fades unless fixed. What color image is formed using iodine vapour?
Gentian Violet - Answer✔What can interfere with the forensic examination for handwriting,
body fluids, and ink?
Amino acids - Answer✔Ninhydrin is a general purpose fingerprint reagent for paper and some
other porous surfaces. What component of a fingerprint deposit does it react with?
Several weeks - Answer✔How long does it generally take for Ninhydrin treated prints to fully
develop naturally?
2|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
Heating and humidification - Answer✔The development of Ninhydrin treated prints may be
accelerated with the use of:
Ink running - Answer✔Ninhydrin which uses a Freon solvent virtually eliminates the following
problem when processing porous materials for latent prints
Ninhydrin - Answer✔What is applied using the method of dipping, brushing, swabbing or
spraying?
silver-based - Answer✔Physical developer (PD) is what kind of aqueous reagent?
Grey-silver - Answer✔Physical developer reacts with components of sebaceous sweat to form
what colored deposit?
Wetted - Answer✔Physical developer is a very effective reagent for developing latent
fingerprints on paper which has been?
Aluminum - Answer✔These flake powders have been shown to be more sensitive than most
types of powders
3|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
Silver Nitrate - Answer✔Which latent print development technique was replaced by the
Ninhydrin/Physical Developer combination for treating porous materials
Chlorides - Answer✔Silver Nitrate reacts with what component present in fingerprint deposits
wet - Answer✔Small particle reagent (SPR) is a latent print development technique that may be
used on all non-porous surfaces including those which are
Fats - Answer✔What does Small Particle Reagent adhere to in the fingerprint deposit?
Molybdenum Disulphide - Answer✔Small Particle Reagent is comprised of what fine particles?
Grey - Answer✔Small Particle Reagent forms what color deposit?
Sudan Black - Answer✔The best latent print development technique for use on non-porous
surfaces which are contaminated with grease, foodstuffs, or dried deposits of soft drinks
Cyanoacrylate - Answer✔An alternative process name for superglue is
4|Page
