Question 1

The prime work of investigating officer is based on which of the following principle?

Accepted Answer

The correct answer is: Principle of exchange. Locard's Principle of Exchange states that 'every contact leaves a trace', which forms the fundamental basis of crime scene investigation.

Question 2

Which of the following are the principles of fingerprint analysis?

i. Universal
ii. Individual
iii. Classifiable

Accepted Answer

The correct answer is: ii and iii. The core scientific principles/laws of fingerprint analysis are that fingerprints are Individual (unique to each person) and Classifiable (based on systematic ridge patterns). While prints are virtually universal to humans, 'Universal' is not defined as a core principle of fingerprint identification compared to individuality and classifiability.

Question 3

The phenomenon of deflection of bullet due to striking a solid target at low angle

Accepted Answer

The correct answer is: Ricochet. Ricochet is the rebound, bounce, or deflection of a projectile off a flat or solid surface at a shallow angle.

Question 4

The function of primer is

Accepted Answer

The correct answer is: To ignite the main charge. The primer contains a small amount of sensitive primary explosive that detonates upon impact, sending a flame to ignite the main propellant powder charge.

Question 5

Which one is used as a primer

Accepted Answer

The correct answer is: Lead azide. Lead azide is a highly sensitive primary explosive commonly used in primer caps to initiate detonation upon mechanical impact.

Question 6

Wad in the cartridge serves the purpose of:

Accepted Answer

The correct answer is: To prevent from jerk. The wad serves as a cushion and barrier in shotgun shells. The compressible section of the wad helps absorb the initial peak shock wave (the 'jerk') upon ignition, protecting the barrel and stabilizing pressure.

Question 7

Degree of twist in case of rifling is called as

Accepted Answer

The correct answer is: Pitch. The pitch of rifling is the distance inside the barrel over which the lands and grooves make one complete helical turn (360 degrees rotation).

Question 8

Lead in discharge residue best identified by

Accepted Answer

The correct answer is: X-ray radiography. Lead is highly radiopaque. In forensic medicine and ballistics, X-ray radiography is highly effective for identifying the presence, path, and deposits of lead residue/bullets in tissue.

Question 9

Backward movement of firearm during firing is termed as

Accepted Answer

The correct answer is: Recoil. Recoil is the rearward movement of a firearm caused by Newton's third law of motion (action and reaction) when the bullet is projected forward.

Question 10

The velocity of bullet at the time of impact is called as

Accepted Answer

The correct answer is: Striking velocity. Striking velocity is the speed of the projectile at the exact instant it hits the target.

Question 11

Penetration of bullet inside the target depends on

i. Cross sectional area of projectile
ii. Velocity of projectile
iii. Weight of projectile

Accepted Answer

The correct answer is: i, ii & iii. Penetration depth depends on the sectional density (weight / cross-sectional area) and the kinetic energy (which depends on velocity). Therefore, all three factors affect penetration.

Question 12

The factor affects the path of the projectile are

i. Air resistance
ii. Force of gravity
iii. Spin

Accepted Answer

The correct answer is: i, ii & iii. The trajectory (path) of a bullet is affected by gravity (vertical drop), air resistance/drag (loss of speed), and gyroscopic spin (stabilization and drift).

Question 13

Which of the following techniques of fingerprint development can be used for porous surfaces?

i. Cyanoacrylate fuming
ii. Silver nitrate method
iii. Ninhydrin method

Accepted Answer

The correct answer is: ii and iii. Silver nitrate and Ninhydrin methods are chemical development techniques used specifically for porous surfaces like paper and cardboard. Cyanoacrylate (superglue) fuming is used for non-porous surfaces like plastic and glass.

Question 14

Air resistance affects least to

Accepted Answer

The correct answer is: Boat tailed bullets. Boat-tailed bullets have a tapered base that reduces base drag and turbulence, experiencing the least overall air resistance compared to flat-base or round-nose designs.

Question 15

The tendency of a projectile to suck backward to fill up the vacuum is called as

Accepted Answer

The correct answer is: Base drag. Base drag is the aerodynamic drag caused by the low pressure/vacuum area formed behind the flat base of a moving bullet, which pulls it backward.

Question 16

The angle between the direction of motion of projectile and central axis of projectile is called as

Accepted Answer

The correct answer is: Yaw. Yaw is the angle between the longitudinal axis of the projectile and its actual vector of travel.

Question 17

The lateral deviation of trajectory of projectile from the plane of departure is known as

Accepted Answer

The correct answer is: Drift. Drift is the lateral (sideways) deviation of a spinning bullet from the vertical plane of departure, primarily caused by gyroscopic spin and air interaction.

Question 18

The most impressive and effective method to evaluate GSR is

Accepted Answer

The correct answer is: Scanning Electron Microscope. Scanning Electron Microscopy with Energy-Dispersive X-ray (SEM-EDX) is the gold standard for GSR analysis because it allows identification of both the chemical composition and the spherical morphology of individual particles.

Question 19

Scorching is also known as

i. Singeing
ii. Burning
iii. Charring

Accepted Answer

The correct answer is: i, ii & iii. Scorching (the thermal damage caused by muzzle flash gases) is also referred to as singeing (specifically for hair) or burning/charring (for fibers and tissue).

Question 20

Tattooing is also known as

i. Blackening
ii. Peppering
iii. Stippling

Accepted Answer

The correct answer is: ii & iii. Tattooing is the embedding of unburnt powder grains in the skin, which is also known as stippling or peppering. Blackening is the deposit of soot/smoke, which can be wiped off, unlike tattooing.

Question 21

The mathematical relation between diameter of dispersed pellets (D) and range (R) of fire of a half choke standard firearms is

Accepted Answer

The correct answer is: D=3R. In standard ballistics, the pattern diameter (D in cm) for a half-choke shotgun is roughly 3 times the range of fire (R in meters): D = 3R. (Contrast: Cylinder is 4R, Full choke is 2R/2.5R).

Question 22

Which of the following are characteristics wounds caused by firearms?

i. Rat holes
ii. Key holes
iii. Explosive wound

Accepted Answer

The correct answer is: i, ii & iii. All three are characteristic gunshot wounds: Rat holes (close-range shotgun wound), Key holes (tumbling bullet entries), and Explosive wounds (high-velocity or contact head wounds).

Question 23

Penetration power of a firearm and its ammunition is measured from the penetration of the projectile in

Accepted Answer

The correct answer is: Soft pine wood. Historically, the standard material used to empirically measure and compare the penetration power of bullets is dry, soft pine wood boards of a standard thickness.

Question 24

The Directorate of Forensic Science Services was bifurcated from BPR & D based on the recommendations of

i. Malimath Committee
ii. Padmanabhaiah Committee
iii. National Human Rights Commission

Accepted Answer

The correct answer is: ii and iii. The bifurcation of the Directorate of Forensic Science Services (DFSS) from the Bureau of Police Research & Development (BPR&D) in 2002 was based on the recommendations of the Padmanabhaiah Committee on Police Reforms and the National Human Rights Commission (NHRC).

Question 25

The distance up to which a shooter can take aim and make a kill is called as

Accepted Answer

The correct answer is: Effective range. Effective range is the maximum distance at which a shooter can reasonably expect to hit and disable/kill a target using the weapon system.

Question 26

Match the following:

*List-I (CFSL)*
i. Bhopal
ii. Delhi
iii. Hyderabad
iv. Kolkata

*List-II (Year of Establishment)*
a. 1957
b. 1967
c. 1968
d. 2011

Accepted Answer

The correct answer is: i-d, ii-c, iii-b, iv-a. The correct establishment years are: Kolkata CFSL was established in 1957 (iv-a); Hyderabad CFSL in 1967 (iii-b); Delhi CFSL in 1968 (ii-c); and Bhopal CFSL in 2011 (i-d).

Question 27

Arrange the following Forensic Institution as per their year of establishment from older to latest.

a. GEQD Calcutta
b. CFPB Calcutta
c. CFPB, New Delhi
d. GEQD Hyderabad
e. GEQD Shimla

Accepted Answer

The correct answer is: b, e, a, d, c. The correct chronological order of establishment is: CFPB Calcutta (1897) -> GEQD Shimla (1906) -> GEQD Calcutta (1964) -> GEQD Hyderabad (1968) -> CFPB New Delhi (1973). This corresponds to order: b, e, a, d, c.

Question 28

Match the following:

*List-I (State FSL)*
i. Bombay
ii. Delhi
iii. Madras
iv. Srinagar

*List-II (Year of Establishment)*
a. 1958
b. 1959
c. 1964
d. 1993

Accepted Answer

The correct answer is: i-a, ii-d, iii-b, iv-c. The correct matching is: Bombay FSL was established in 1958 (i-a); Delhi FSL in 1993 (ii-d); Madras FSL in 1959 (iii-b); and Srinagar FSL in 1964 (iv-c).

Question 29

Specimen of material collected from crime scene for comparing with the questioned material is called as

Accepted Answer

The correct answer is: Control Sample. A control sample is a specimen of material collected from the crime scene (e.g. from an adjacent, unstained area of a substrate) to compare with the questioned evidence to ensure that background or substrate interference is accounted for.

Question 30

According to Bichat, mode of death due to failure of circulatory system is called as

Accepted Answer

The correct answer is: Syncope. Xavier Bichat classified modes of death into a 'tripod of life'. Failure of the circulatory system (heart) is called Syncope, failure of the nervous system (brain) is Coma, and failure of the respiratory system (lungs) is Asphyxia.

Question 31

If a person dies in a psychiatric hospital in Delhi-NCR, the investigation will be carried out by

Accepted Answer

The correct answer is: Magistrate Inquest. Under Section 176 of the Code of Criminal Procedure (CrPC) in India, any death occurring in a psychiatric hospital, prison, or police custody must be investigated by a Judicial or Executive Magistrate (Magistrate Inquest).

Question 32

Mark the proper sequence of tasks to be completed in a crime scene.

i. Packaging of physical evidence
ii. Securing the scene
iii. Collecting physical evidence
iv. Recognizing physical evidence

Accepted Answer

The correct answer is: ii, iv, iii, i. The correct sequence is: first secure the scene (ii), then recognize/identify evidence (iv), then collect the evidence (iii), and finally package it (i).

Question 33

The definition of document in given at

Accepted Answer

The correct answer is: Section 29 of Indian Penal Code, 1860. The definition of 'document' is provided under Section 29 of the Indian Penal Code (IPC), 1860 (as well as under Section 3 of the Indian Evidence Act, 1872).

Question 34

The bluish-purple/purple-red discolouration of skin on dependent part of body after death is called as

Accepted Answer

The correct answer is: Post mortem Hypostasis. Post-mortem hypostasis (also called livor mortis or post-mortem lividity) is the pooling of blood in the dependent parts of the body due to gravity, causing a bluish-purple discoloration.

Question 35

Match the following:

*List-I (Blunt Force Injury)*
i. Abrasion
ii. Contusion
iii. Incision
iv. Laceration

*List-II (Characteristic of Injury)*
a. Effusion of blood into tissue due to ruptured blood vessels
b. Destruction of superficial layer of skin.
c. Tearing or splitting of skin
d. Clean cut through the tissue

Accepted Answer

The correct answer is: i-b, ii-a, iii-d, iv-c. The correct matches are: Abrasion - destruction of superficial layer (i-b); Contusion (bruise) - effusion of blood (ii-a); Incision - clean cut through tissue (iii-d); Laceration - tearing or splitting of skin (iv-c).

Question 36

An unusual type of suicide in which the victim inflicts a single large wound on the abdomen while in sitting position causing evisceration of internal organ, is called as

Accepted Answer

The correct answer is: Harakari. Harakari (or Seppuku) is a traditional Japanese ritual suicide involving disembowelment (cutting open the abdomen and eviscerating internal organs).

Question 37

The full thickness destruction of skin occurs within seconds above a temperature of

Accepted Answer

The correct answer is: 70°C. Thermal studies show that exposure to temperatures above 70°C (158°F) causes full-thickness (third-degree) skin destruction within seconds due to rapid protein denaturation.

Question 38

A witness who wants the accused to be behind bars for the committed crime is called as

Accepted Answer

The correct answer is: Interested witness. An interested witness is one who has a personal interest in the outcome of the case or in seeing the accused convicted.

Question 39

A footprint classification system is required for filing the footprints of

i. New born babies
ii. Military airmen
iii. People lacking arms

Accepted Answer

The correct answer is: i, ii & iii. Footprint classification systems are used for filing records of newborn babies (hospital security), military airmen (for identification after plane crashes/burns), and individuals lacking arms (who cannot provide fingerprints).

Question 40

Which of the following are the basic principles of forensic science?

i. Principle of Exchange
ii. Principle of comparison
iii. Principle of Analysis

Accepted Answer

The correct answer is: i, ii and iii. Forensic science is based on several laws and principles, including the Principle of Exchange (Locard), the Principle of Comparison, and the Principle of Analysis.

Question 41

The main footprint classification systems used over the years are

i. FBI's Footprint Classification System
ii. Vucetich Footprint Classification System
iii. Chatterjee's Footprint Classification System

Accepted Answer

The correct answer is: i & iii. The primary footprint classification systems used historically in forensic science are the FBI's Footprint Classification System and Chatterjee's Footprint Classification System (developed in India). Juan Vucetich developed a fingerprint classification system, not a footprint system.

Question 42

Ordinarily, the footmarks are inadequate as evidence because,

i. Footmarks are incomplete
ii. Footmarks do not carry ridge details
iii. Footmarks carry very few individualizing features.

Accepted Answer

The correct answer is: i & ii. Ordinarily, bare footprints at crime scenes are inadequate as conclusive evidence because they are often incomplete and do not contain the fine, unique friction ridge details needed for positive identification (unlike fingerprints).

Question 43

Which of the following materials can be used for casting footprint impressions in snow

i. Molten wax
ii. Plaster of Paris solution
iii. Molten Sulphur.

Accepted Answer

The correct answer is: i & iii. Molten sulfur and molten wax can be used to cast impressions in snow because they solidify rapidly without generating excessive heat that would melt the details. Plaster of Paris solution is water-based and generates heat during its setting process, which would melt the snow and destroy the print detail.

Question 44

Which of the following statements are correct?

i. The art of tracking through gait pattern is practiced in various parts of India by certain families.
ii. The trackers are, by and large, uneducated persons.
iii. The trackers do not take any extensive measurements.

Accepted Answer

The correct answer is: i, ii & iii. Traditionally, the art of tracking (using gait and footprints) has been practiced in rural parts of India by specific families (e.g. puggees). Trackers are usually uneducated and rely on visual cues, experience, and instinct rather than taking extensive scientific measurements.

Question 45

In scientific study of gait pattern, which of the following characteristics are noted?

i. Dimensions of Mark
ii. Pressure points
iii. Pressure defects

Accepted Answer

The correct answer is: i, ii & iii. A scientific analysis of a gait pattern involves checking the dimensions of the prints, the specific pressure points of the foot during stride, and any pressure defects (uneven weight distribution or gait abnormalities).

Question 46

For evaluating gait pattern evidence by forensic science laboratory staff, the minimum number of consecutive foot or footwear marks required is:

Accepted Answer

The correct answer is: 3. To perform an analysis of a gait pattern (step length, stride length, step angle, etc.), a minimum sequence of 3 consecutive prints is required by forensic examiners.

Question 47

Match the following:

*List-I*
i. Casting track marks
ii. Lifting track marks
iii. Photograph of track marks
iv. Tracing track marks

*List-II*
a. Plastic sheet is preferable.
b. Easy to do under artificial light.
c. A bromide paper sheet can be used for.
d. Plasticine can be used for.

Accepted Answer

The correct answer is: i-d, ii-c, iii-b, iv-a. The correct matches are: Casting track marks - Plasticine can be used (i-d); Lifting track marks - Bromide paper can be used (ii-c); Photograph - oblique/artificial light is helpful (iii-b); Tracing - plastic sheet is preferable (iv-a).

Question 48

For collecting impression evidence, the first electrostatic dust lifting device was created by:

Accepted Answer

The correct answer is: Kato Masao. Kato Masao, a Japanese police officer, developed the first formal electrostatic dust print lifting device around 1970, which improved on the static celluloid sheet concept of Sancyasu Toma.

Question 49

The photographic technique to record the whole tread of a tyre is called as

Accepted Answer

The correct answer is: Periphography. Periphography is a specialized photographic technique used to capture the entire circumferential tread pattern of a tyre (or any cylindrical surface) as a single flat image.

Question 50

Which of the following statements are correct?

i. Striation is a type of tool mark.
ii. An instrument used to study striations on different objects is known as striagraph.
iii. For comparing striation marks, striagraphy is better than comparison microscope.

Accepted Answer

The correct answer is: i & ii. Statements i and ii are correct. A striation is a scratch-type tool mark, and a striagraph is a mechanical tracing device used to record them. Statement iii is incorrect because the comparison microscope is the standard, most widely accepted and superior tool for comparing striations in forensics.

Question 51

Which of the following techniques are used to observe psychosomatic changes?

i. Polygraphy
ii. Psychological Stress Evaluator
iii. Brain fingerprinting

Accepted Answer

The correct answer is: i and ii. Polygraphy and the Psychological Stress Evaluator (PSE) measure physiological responses (autonomic nervous system activity) related to psychological stress (psychosomatic changes). Brain fingerprinting measures cognitive brainwaves (P300), which are cognitive/recognition-based rather than psychosomatic/emotional.

Question 52

Match the following:

*List-I*
i. Borosil Glass
ii. Bottle Glass
iii. Optical Glass
iv. Plate Glass

*List-II*
a. PbO.
b. B₂O₃
c. BaO.
d. MgO.

Accepted Answer

The correct answer is: i-b, ii-c, iii-a, iv-d. The correct matching is: Borosilicate glass contains B₂O₃ (i-b); Bottle glass contains BaO (ii-c); Optical (flint) glass contains PbO (iii-a); Plate glass contains MgO (iv-d).

Question 53

Match the following:

*List-I (Element)*
i. Arsenic
ii. Cobalt
iii. Chromium
iv. Titanium

*List-II (Effect on Glass)*
a. Air Bubble removal
b. Blue colour
c. Decolourisation
d. Green Colour

Accepted Answer

The correct answer is: i-a, ii-b, iii-d, iv-c. The matching is: Arsenic is used for air bubble removal (i-a); Cobalt imparts a blue color (ii-b); Chromium imparts a green color (iii-d); Titanium is used for decolorisation (iv-c).

Question 54

Long curved ridges on the broken surface of glass are termed as:

Accepted Answer

The correct answer is: Rib marks. Rib marks (or concentric rib lines) are curved ridges that form on the broken edges of glass fractures, running perpendicular to radial crack lines.

Question 55

Which of the following statements are correct?

i. Glass is an inorganic product of fusion, cooled to a rigid condition without crystallization.
ii. Glass is strong in compression.
iii. Glass is strong in tension.

Accepted Answer

The correct answer is: i & ii. Statements i and ii are correct. Glass is an amorphous solid that is strong when subjected to compression, but behaves weakly in tension (brittle failure occurs easily under pulling forces).

Question 56

Match the following:

*List-I*
i. Flat glass
ii. Float glass
iii. Laminated glass
iv. Toughened glass

*List-II*
a. Fourcault process
b. Liquid tin bed
c. Processed by tempering
d. Sandwiched plastic sheet

Accepted Answer

The correct answer is: i-a, ii-b, iii-d, iv-c. The correct matching is: Flat glass - Fourcault process (i-a); Float glass - Liquid tin bed (ii-b); Laminated glass - Sandwiched plastic sheet (iii-d); Toughened glass - Processed by tempering (iv-c).

Question 57

Which of the following physical property is most valuable in distinguishing small glass fragments?

Accepted Answer

The correct answer is: Refractive Index. Refractive Index (RI) is the most valuable and measurable physical property for analyzing and distinguishing very small glass fragments in a forensic laboratory.

Question 58

Best material for casting tool mark is

Accepted Answer

The correct answer is: Liquid silicone. Liquid silicone (such as Mikrosil) is the best casting material for tool marks because it flows into microscopic details, has negligible shrinkage, and can be easily peeled off once cured.

Question 59

Which of the following statements are true for small arms?

i. Can be easily handled and operated by a single person.
ii. Must be smaller than 10 inches in length.
iii. Includes pistol and revolvers.

Accepted Answer

The correct answer is: i & iii. Statements i and iii are true. Small arms are weapons designed for individual use. There is no rule requiring them to be smaller than 10 inches; rifles and shotguns are also classified as small arms.

Question 60

In a revolver, the number of chambers is:

Accepted Answer

The correct answer is: D) Six. A typical revolver cylinder has six chambers (holding six rounds of ammunition), though some models can have more or fewer.

Question 61

Match the following:

*List-I (Institution offering courses in forensic science)*
i. Osmania University
ii. Dr. Harisingh Gour University
iii. Bundelkhand University
iv. National Forensic Science University

*List-II (Location)*
a. Sagar, Madhya Pradesh
b. Delhi
c. Hyderabad, Telangana
d. Jhansi, Uttar Pradesh

Accepted Answer

The correct answer is: i-c, ii-a, iii-d, iv-b. The correct matches are: Osmania University is in Hyderabad (i-c); Dr. Harisingh Gour University is in Sagar, MP (ii-a); Bundelkhand University is in Jhansi, UP (iii-d); NFSU has a campus in Delhi (iv-b).

Question 62

A tapering surface which connects the bore and chamber of some firearms is termed as:

Accepted Answer

The correct answer is: Leed. The leed (or leade) is the tapering throat area of the barrel that connects the chamber to the rifled bore, guiding the bullet into the rifling.

Question 63

Match the following:

*List-I (Location of Firing pin)*
i. Breach block
ii. Bolt Head
iii. Hammer
iv. Moving Breech block

*List-II (Type of firearm)*
a. Bolt action rifles
b. Revolvers
c. Automatic firearms
d. Shotguns

Accepted Answer

The correct answer is: i-d, ii-a, iii-b, iv-c. The correct matching is: Breech block - Shotguns (i-d); Bolt Head - Bolt action rifles (ii-a); Hammer - Revolvers (iii-b); Moving Breech block - Automatic firearms (iv-c).

Question 64

Which of the following statements are true for Breech face?

i. It is the area surrounding the firing pin hole.
ii. It seals the barrel from chamber side.
iii. It comes in close contact with the base of the cartridge.

Accepted Answer

The correct answer is: i, ii & iii. The breech face is the portion of the bolt or breech block that seals the rear of the chamber, surrounds the firing pin hole, and directly supports the base of the cartridge case during firing.

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The prime work of investigating officer is based on which of the following principle?

Which of the following are the principles of fingerprint analysis? i. Universal ii. Individual iii. Classifiable

The phenomenon of deflection of bullet due to striking a solid target at low angle

The function of primer is

Which one is used as a primer

Wad in the cartridge serves the purpose of:

Degree of twist in case of rifling is called as

Lead in discharge residue best identified by

Backward movement of firearm during firing is termed as

The velocity of bullet at the time of impact is called as

Penetration of bullet inside the target depends on i. Cross sectional area of projectile ii. Velocity of projectile iii. Weight of projectile

The factor affects the path of the projectile are i. Air resistance ii. Force of gravity iii. Spin

Which of the following techniques of fingerprint development can be used for porous surfaces? i. Cyanoacrylate fuming ii. Silver nitrate method iii. Ninhydrin method

Air resistance affects least to

The tendency of a projectile to suck backward to fill up the vacuum is called as

The angle between the direction of motion of projectile and central axis of projectile is called as

The lateral deviation of trajectory of projectile from the plane of departure is known as

The most impressive and effective method to evaluate GSR is

Scorching is also known as i. Singeing ii. Burning iii. Charring

Tattooing is also known as i. Blackening ii. Peppering iii. Stippling

The mathematical relation between diameter of dispersed pellets (D) and range (R) of fire of a half choke standard firearms is

Which of the following are characteristics wounds caused by firearms? i. Rat holes ii. Key holes iii. Explosive wound

Penetration power of a firearm and its ammunition is measured from the penetration of the projectile in

The Directorate of Forensic Science Services was bifurcated from BPR & D based on the recommendations of i. Malimath Committee ii. Padmanabhaiah Committee iii. National Human Rights Commission

The distance up to which a shooter can take aim and make a kill is called as

Match the following: *List-I (CFSL)* i. Bhopal ii. Delhi iii. Hyderabad iv. Kolkata *List-II (Year of Establishment)* a. 1957 b. 1967 c. 1968 d. 2011

Arrange the following Forensic Institution as per their year of establishment from older to latest. a. GEQD Calcutta b. CFPB Calcutta c. CFPB, New Delhi d. GEQD Hyderabad e. GEQD Shimla

Match the following: *List-I (State FSL)* i. Bombay ii. Delhi iii. Madras iv. Srinagar *List-II (Year of Establishment)* a. 1958 b. 1959 c. 1964 d. 1993

Specimen of material collected from crime scene for comparing with the questioned material is called as

According to Bichat, mode of death due to failure of circulatory system is called as

If a person dies in a psychiatric hospital in Delhi-NCR, the investigation will be carried out by

Mark the proper sequence of tasks to be completed in a crime scene. i. Packaging of physical evidence ii. Securing the scene iii. Collecting physical evidence iv. Recognizing physical evidence

The definition of document in given at

The bluish-purple/purple-red discolouration of skin on dependent part of body after death is called as

An unusual type of suicide in which the victim inflicts a single large wound on the abdomen while in sitting position causing evisceration of internal organ, is called as

The full thickness destruction of skin occurs within seconds above a temperature of

A witness who wants the accused to be behind bars for the committed crime is called as

A footprint classification system is required for filing the footprints of i. New born babies ii. Military airmen iii. People lacking arms

Which of the following are the basic principles of forensic science? i. Principle of Exchange ii. Principle of comparison iii. Principle of Analysis

The main footprint classification systems used over the years are i. FBI's Footprint Classification System ii. Vucetich Footprint Classification System iii. Chatterjee's Footprint Classification System

Ordinarily, the footmarks are inadequate as evidence because, i. Footmarks are incomplete ii. Footmarks do not carry ridge details iii. Footmarks carry very few individualizing features.

Which of the following materials can be used for casting footprint impressions in snow i. Molten wax ii. Plaster of Paris solution iii. Molten Sulphur.

Which of the following statements are correct? i. The art of tracking through gait pattern is practiced in various parts of India by certain families. ii. The trackers are, by and large, uneducated persons. iii. The trackers do not take any extensive measurements.

In scientific study of gait pattern, which of the following characteristics are noted? i. Dimensions of Mark ii. Pressure points iii. Pressure defects

For evaluating gait pattern evidence by forensic science laboratory staff, the minimum number of consecutive foot or footwear marks required is:

Match the following: *List-I* i. Casting track marks ii. Lifting track marks iii. Photograph of track marks iv. Tracing track marks *List-II* a. Plastic sheet is preferable. b. Easy to do under artificial light. c. A bromide paper sheet can be used for. d. Plasticine can be used for.

For collecting impression evidence, the first electrostatic dust lifting device was created by:

The photographic technique to record the whole tread of a tyre is called as

Which of the following statements are correct? i. Striation is a type of tool mark. ii. An instrument used to study striations on different objects is known as striagraph. iii. For comparing striation marks, striagraphy is better than comparison microscope.

Which of the following techniques are used to observe psychosomatic changes? i. Polygraphy ii. Psychological Stress Evaluator iii. Brain fingerprinting

Match the following: *List-I* i. Borosil Glass ii. Bottle Glass iii. Optical Glass iv. Plate Glass *List-II* a. PbO. b. B₂O₃ c. BaO. d. MgO.

Match the following: *List-I (Element)* i. Arsenic ii. Cobalt iii. Chromium iv. Titanium *List-II (Effect on Glass)* a. Air Bubble removal b. Blue colour c. Decolourisation d. Green Colour

Long curved ridges on the broken surface of glass are termed as:

Which of the following statements are correct? i. Glass is an inorganic product of fusion, cooled to a rigid condition without crystallization. ii. Glass is strong in compression. iii. Glass is strong in tension.

Match the following: *List-I* i. Flat glass ii. Float glass iii. Laminated glass iv. Toughened glass *List-II* a. Fourcault process b. Liquid tin bed c. Processed by tempering d. Sandwiched plastic sheet

Which of the following physical property is most valuable in distinguishing small glass fragments?

Best material for casting tool mark is

Which of the following statements are true for small arms? i. Can be easily handled and operated by a single person. ii. Must be smaller than 10 inches in length. iii. Includes pistol and revolvers.

In a revolver, the number of chambers is:

A tapering surface which connects the bore and chamber of some firearms is termed as:

Match the following: *List-I (Location of Firing pin)* i. Breach block ii. Bolt Head iii. Hammer iv. Moving Breech block *List-II (Type of firearm)* a. Bolt action rifles b. Revolvers c. Automatic firearms d. Shotguns

Which of the following statements are true for Breech face? i. It is the area surrounding the firing pin hole. ii. It seals the barrel from chamber side. iii. It comes in close contact with the base of the cartridge.

Which of the following marks are usually present on a cartridge fired from a good quality firearm? i. Firing pin mark. ii. Breech face. iii. Chamber marks.

The internal diameter of a barrel is known as: i. Bore ii. Calibre iii. Gauge

Which of the following statement is true for Barrel choke? i. It is the reducing of bore of a shotgun at the breech end ii. Choke increases the effective range of a shotgun. iii. Reduction of diameter by one millimeter is called as full choke.

A firearm can have the following type of barrels: i. Smooth bore ii. Rifled bore iii. Smoothbore with partial rifling

Which of the following statements are true for shotguns? i. A shotgun is a short-range firearm. ii. Shotgun gives accurate aim when a single projectile is fired iii. Spreading of pellets increases with increase in range of fire.

The active constituents of smokeless powder are? i. Nitroglycerine. ii. Nitrocellulose. iii. Sulphur.

Match the following: *List-I (NFSU Campus)* i. Bhopal ii. Delhi iii. Dharwad iv. Gandhinagar *List-II (Number of Departments)* a. 2 b. 3 c. 6 d. 16

In firearms, the powders with increasing rate of burning are called as:

Which of the following are the constituents of gunpowder? i. Sodium Nitrate ii. Sulphur iii. Charcoal.

Which of the following statements are true for gun powder? i. Suitable for high velocity ammunition ii. It gives irregular ballistics iii. Leaves considerable amount of solid residue

Arrange the following process of firing in increasing order of chronology. i. Triggering ii. Striking percussion cap iii. Hammer release iv. Ignition of propellent

Match the following: *List-I (Detectable Metal)* i. Antimony ii. Copper iii. Iron iv. Nitrates *List-II (Source)* a. Primers b. Barrel c. Propellants d. Bullet jacket

Match the following: *List-I (Test)* i. Dermal Nitrate Test ii. Harrison and Gilroy's Test iii. Price's Spot Test iv. Walker's Test *List-II (Reagent)* a. Diphenylamine b. 2 naphthylamine c. Triphenylmethyl arsonium iodide d. Sodium rhodizonate

Match the following: *List-I (Bullet Velocity Zone)* i. Under 400 m/s ii. 400 to 600 m/s iii. 600 to 1100 m/s iv. Beyond 1100 m/s *List-II (Wounding phenomena)* a. Instantaneous death b. Explosive wound c. No abnormal wounding phenomena d. Expanding bullets starts mushrooming

The vertical range is maximum at angle of projection equal to

Drag becomes equal to the projectile's weight after which the projectile falls with a constant velocity known as

Match the following: List-I (CFSL) i. Bhopal ii. Delhi iii. Hyderabad iv. Kolkata List-II (Year of Establishment) a. 1957 b. 1967 c. 1968 d. 2011

Match the following: List-I (State FSL) i. Bombay ii. Delhi iii. Madras iv. Srinagar List-II (Year of Establishment) a. 1958 b. 1959 c. 1964 d. 1993

Match the following: List-I i. Casting track marks ii. Lifting track marks iii. Photograph of track marks iv. Tracing track marks List-II a. Plastic sheet is preferable. b. Easy to do under artificial light. c. A bromide paper sheet can be used for. d. Plasticine can be used for.

Match the following: List-I i. Borosil Glass ii. Bottle Glass iii. Optical Glass iv. Plate Glass List-II a. PbO. b. B₂O₃ c. BaO. d. MgO.

Match the following: List-I (Element) i. Arsenic ii. Cobalt iii. Chromium iv. Titanium List-II (Effect on Glass) a. Air Bubble removal b. Blue colour c. Decolourisation d. Green Colour

Match the following: List-I i. Flat glass ii. Float glass iii. Laminated glass iv. Toughened glass List-II a. Fourcault process b. Liquid tin bed c. Processed by tempering d. Sandwiched plastic sheet

Match the following: List-I (Location of Firing pin) i. Breach block ii. Bolt Head iii. Hammer iv. Moving Breech block List-II (Type of firearm) a. Bolt action rifles b. Revolvers c. Automatic firearms d. Shotguns

Match the following: List-I (NFSU Campus) i. Bhopal ii. Delhi iii. Dharwad iv. Gandhinagar List-II (Number of Departments) a. 2 b. 3 c. 6 d. 16

Match the following: List-I (Detectable Metal) i. Antimony ii. Copper iii. Iron iv. Nitrates List-II (Source) a. Primers b. Barrel c. Propellants d. Bullet jacket

Match the following: List-I (Test) i. Dermal Nitrate Test ii. Harrison and Gilroy's Test iii. Price's Spot Test iv. Walker's Test List-II (Reagent) a. Diphenylamine b. 2 naphthylamine c. Triphenylmethyl arsonium iodide d. Sodium rhodizonate

Match the following: List-I (Bullet Velocity Zone) i. Under 400 m/s ii. 400 to 600 m/s iii. 600 to 1100 m/s iv. Beyond 1100 m/s List-II (Wounding phenomena) a. Instantaneous death b. Explosive wound c. No abnormal wounding phenomena d. Expanding bullets starts mushrooming