IICSF
FACT - PYQ PART 1
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Category: fact part 1
1) Which one of the following principles of forensic science was established by Mr. Edmund Locard?
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2) Next number in the series 4,6,9,13,......is
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3) Which of the following is appropriate method of handling a firearm recovered at scene of crime?
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4) For packing of different types of physical evidence, only clean containers should be used, because it helps in maintaining:
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5) Which of the following is using flash memory chips?
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6) Currency Note Press, India Security Press, Security Paper Mill organisations are under direct administrative control of:
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7) In crimes involving firearms, the clothes of victim bearing gun-shot holes should be handled in which of the following ways?
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8) Which of the following is an optical digital data storage device?
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9) Which element is irrelevant for a qualified and competent expert?
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10) According to the Simon New Comb Theory:-
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11) If an object is immersed in a liquid of higher density then:
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12) If the sum of two number is 32 and their difference is 16, the smaller number would be
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13) She had a hair breadth escape from the road accident. Which word relates to this sentence:
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14) Relative age of a signature can be ascertained by:-
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15) The last step to be taken before releasing the crime scene should be:
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16) Which of the following illumination is the best for striated tool marks?
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17) Who invented the polarising light microscope?
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18) In relation to electromagnetic spectrum, which of the following statements is TRUE?
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19) What is the probability of all the three coins tossed simultaneously falling with pattern of one head and two tails?
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20) Which of the following will NOT protect you from spam?
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21) Forensic Anthropology is concerned with which of the following functions?
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22) Which one of the following is the India's highest peace time military decoration award for valour, courageous action or self sacrifice away from the battlefield?
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23) The colour of the Indian Diplomatic Passport is:-
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24) The component NOT related to compound microscope is:
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25) When shutting down a PC, what data is typically lost?
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26) In which year, Sir C.V. Raman got Nobel Prize?
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27) Which one of the following evidence is subjective in nature?
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28) The first G.E.Q.D. Office in India was started at which place?
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29) Which one of the following is used to preserve blood for DNA profiling?
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30) "Laser discs and compact discs" are classified as
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31) In microscopic examination, the ocular lens of 10X and objective lens of 20X would give magnification:
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32) What should be the minimum number of laboratories participating in Proficiency test for quantitative analysis of a test item?
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33) Amongst given options, sound travels at fastest speed in:
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34) Under which act/law, expert opinion is admissible?
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35) Document Expert notified as Chemical Examiner can also give evidence under:-
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36) J. S. Verma commission was appointed as a consequence of
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37) Which of the following statements is TRUE about Ramsden's eye-piece?
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38) Which may NOT be essential for the collection of clue material?
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39) Which of the following statements about physical evidence available at scene of crime is NOT the appropriate one?
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40) A polarising microscope is used to identify birefringent minerals. The birefringent light beams are polarised to each other at which of the following angles?
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41) In which year the first Laboratory of Govt. Examiner of Questioned Documents was set up in India:-
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42) To verify the integrity of the original Hard Disk, we use
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43) Which of the following technique is used to prevent altering of data on suspected drives?
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44) Corpus delecti means:
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45) Close up photography is required in case of:
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46) Next number in the series 3,6,8,16,18,....is
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47) In which city of India, the first Central Forensic Science laboratory of MHA, Government of India was established?
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48) Splashes of blood on striking a surface obliquely, would appear as:
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49) What is the full form of NIC used in computers?
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50) Integrity of clue material is proved if
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FACT - PYQ BALLISTICS
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Category: PYQ fact ballistics
1) Acidified aqueous solution of which of the following is generally used to restore erased punched Identification marks on firearms?
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2) Which of these firearms are NOT manufactured as per standard drawing and specifications?
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3) Gun cotton is obtained by?
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4) Dermal nitrate test is reaction of nitrate residue collected from the hands of a shooter in presence of diphenylamine and sulphuric acid. In this test, which of the following colours appears?
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5) The most important tool available for the firearms examiner in linking of fired bullets and fired cartridge cases with the suspected firearm is:
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6) Which of the following firearms has anticlockwise rifling?
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7) The skipping of a bullet from a surface after it had struck the surface is called:
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8) While conducting test firings... some should be conducted after oiling cartridges. This helps obtain clearer impressions of the:
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9) A fired case with two firing-pin impressions was recovered. To resolve which of two pistols fired it, which statement is most appropriate?
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10) Which of the following is the major factor affecting the trajectory of a projectile in air?
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11) Blackening area on cloth behind glass (32 revolver) from 1 yard distance is due to:
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12) From a scene of crime, a fired cartridge case was recovered. For determination of type, make, model, which of the following are most appropriate?
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13) The angle of departure of a bullet fired from a small arm for its maximum range in air is:
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14) Which of the following is a class-characteristic of a fired bullet?
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15) The tapered portion of barrel connecting 'chamber' and 'bore' in a rifled firearm (small arm) is called:
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16) Walker's test is used to test:
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17) Firing of regular 12-bore cartridge from regular 12-4 bore gun produces entrance hole of max diameter:
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18) Firing pin marks on a fired cartridge case are surrounded by?
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19) Firing of a pistol or revolver in contact with temple generally results in:
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20) The portion of smooth-bore barrel where a constriction is provided near the muzzle end making bore diameter smaller than that of rest of the bore is called:
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21) Which of these are individual characteristic marks on fired bullets?
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22) A high velocity cartridge has been designated as 7.62x51 mm. Which statement is correct?
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23) Which of the following is the major factor affecting the rate of burning of propellants:
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24) Generally, a groove is provided around the cylindrical portion of an elongated bullet fired from small arms. Which of the following is its purpose?
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25) Which is an ingredient of priming mixture loaded in small arms ammunition?
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26) The effect of reduction in barrel length on dispersion of pellets is to:
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27) Which of the following is semi-smokeless powder?
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28) Estimation of time elapsed since firing has been attempted by?
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29) For a firearm firing belted cartridge, which of the following is defined as head space after the bolt has been locked to barrel?
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30) Which of the following processes is associated with rifling of barrels of small arms?
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31) The phenomena of sheared primer causes which of the following marks?
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32) On which of the following bullets, the effect of air-resistance is least?
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33) When firing pin strikes percussion cap of a cartridge, its distinct impression depends upon which of the following?
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34) Which of the following are helpful to estimate range of firing?
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35) Individual characteristics on various parts of firearms leaving marks on fired cartridge cases / bullets are produced as a result of:
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36) Brass has been found to be a good material for manufacture of cartridge cases for rifles, pistols and revolver cartridges. Which of the following is the reason?
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37) In Harrison and Gilroy's test, which of the following are tested?
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38) The markings which are NOT to be found on a cartridge case fired from a revolver are:
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39) During firing of which of the following ammunitions, the breech-end of barrel or counter bore of barrel acts as anvil?
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40) Lead in firearm discharge residue is best identified by?
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41) Which of the following gives the variation in bullet velocity with bullet travel along the bore?
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42) A term commonly applied to a crude home made firearm whose firing pin is powered by a rubber band, is:
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43) When a firearm is fired, its recoil is due to which one of the following reaction?
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44) The linkage of fired cartridge cases /bullets with suspected rifled firearms is carried out with the help of which of the following?
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45) Increasing the velocity of a bullet makes it unstable while it is moving in air. What should be done to make it stable?
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46) While doing comparison of marks... the minimum number of marks that should match is:
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47) The function of a primer is:
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48) The law of burning of propellant grain by parallel layers was enunciated by?
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49) Which of the following defines 'hangfire'?
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50) Photomicrographs are NOT required to be produced in the court of law in India by a Ballistic expert as per which case judgement?
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51) Maximum height H, of trajectory for range 'X' is given by which of the following relations?
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52) Rate of spin (S), muzzle velocity (U), and pitch (d) are connected by:
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53) The angle between the direction of motion of a bullet and its axis is called:
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54) With few exceptions, the designation of rifled firearms with cross-sectional diameter less than 0.600 inch, is generally given by which of the options?
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55) What is the purpose of air-cushion wad loaded in a 12 bore cartridge?
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56) Depth of grooves in small arms generally lies between?
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57) The part of air-resistance acting on a projectile because of creation of a region of low pressure behind it is called:
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58) The velocity with which a bullet travels inside a target is called:
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59) The terms 'grooves' and 'lands' are associated with which of the following?
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60) A 0.45 caliber self-loading pistol with 5-inch barrel fires a bullet with velocity of 810 feet per second. If the velocity is constant, how much time will it take to travel 1-inch?
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61) Let the head-space for rimmed be 'A' and rimless be 'B'. Which of the following is TRUE?
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62) For calculation of trajectory... ballistic coefficient (C) of the bullet is given by which relations?
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63) With handguns, the tattooing is generally found upto which of the following distances?
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64) Rotation of cylinder of revolver is achieved when a projection on hammer lever moves in a?
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65) The conventional black powder consists of potassium nitrate, charcoal and sulphur in which of the following proportions?
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66) With long-barrel firearms, burning effect in gun-shot wounds is generally observed upto:
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67) Which of the following is TRUE about striae present in the interior surface of barrel of a firearm?
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68) Firearm is defined in:
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69) In a crime committed by a 0.315-rifle, it was found that its firing pin has been filed and the barrel has been cut by about 1 inch from muzzle. Which is the most appropriate linkage of case and bullet?
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70) In wound ballistic studies, the retardation of bullet with angle of yaw 'a' follows:
FACT Forensic Ballistics & Physical Sciences Unit 1
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Category: FACT FBall U1
1) Wound track represents:
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2) Increase in bullet mass results in:
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3) Blunt bullets cause:
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4) Rate of burning of propellant depends upon:
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5) Pointed (spitzer) bullets cause:
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6) Friction inside barrel causes:
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7) Recoil is:
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8) Striking velocity refers to:
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9) Gas expansion causes:
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10) Neutral burning indicates:
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11) Types of bullets include:
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12) Terminal ballistics helps in:
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13) Temporary cavity is formed due to:
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14) High energy projectile produces:
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15) Calibre refers to:
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16) Intermediate target causes:
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17) Final aim of terminal ballistics is:
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18) Internal ballistic data helps in:
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19) Gunshot wound identification depends on:
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20) Bullet path may be altered by:
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21) Shock waves are produced by:
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22) Bullet deformation results in:
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23) Spherical (ball) powder shows:
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24) Propellant is used to:
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25) Recoil is explained by:
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26) Temporary cavity diameter depends on:
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27) Internal ballistics deals with:
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28) Lock mechanism controls:
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29) A smooth bore firearm is:
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30) Uniform burning leads to:
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31) Primer contains:
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32) Distance of firing is determined by:
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33) Energy density threshold is important for:
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34) Headspace refers to:
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35) Internal ballistics is important in:
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36) Ricocheted bullet is generally:
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37) Safety lock is used for:
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38) Primer composition generally contains:
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39) Bullet starts moving when:
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40) Improvised ammunition is:
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41) Double-base propellant contains:
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42) Smokeless powder is primarily composed of:
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43) Individual characteristics are:
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44) Energy transfer to tissue causes:
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45) Entrance wound is generally:
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46) Motion in dense medium differs from air due to:
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47) Progressive burning produces:
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48) Stability of bullet affects:
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49) Increase in barrel length results in:
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50) Permanent cavity represents:
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51) Cartridge case examination includes:
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52) Modern firearms generally use:
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53) Pistol differs from revolver by having:
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54) Bullet acceleration depends on:
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55) Materials simulating human body include:
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56) Twist of rifling may be:
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57) Class characteristics of rifling include:
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58) Full metal jacket bullets cause:
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59) Gunshot residue indicates:
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60) Ballistic test is used to:
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61) Test firing is done for:
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62) Rifling is produced by:
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63) Chamber pressure depends upon:
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64) Sudden pressure rise may cause:
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65) Close range firing shows:
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66) Improper headspace leads to:
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67) Tight fitting bullet results in:
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68) Polygonal rifling is:
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69) Carbine is:
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70) Muzzle velocity is:
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71) Distant firing shows:
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72) Propellant grains are designed to control:
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73) Internal ballistics ends when:
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74) Bolt action is used in:
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75) Bullet velocity decreases in body due to:
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76) Loose fitting bullet results in:
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77) Ball ammunition refers to:
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78) Degressive burning is characterized by:
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79) Maximum pressure occurs:
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80) Progressive burning is characterized by:
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81) Wad in shotgun is used for:
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82) Propellant efficiency depends on:
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83) Tubular propellant grains generally show:
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84) Range estimation depends on:
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85) Energy density is defined as:
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86) Ricochet occurs when:
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87) Threshold velocity for skin penetration is defined as:
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88) Volume of temporary cavity is:
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89) Contact wound shows:
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90) Final aim of internal ballistics study is:
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91) Ricochet mark shows:
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92) Penetration of projectile depends on:
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93) Small arms include:
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94) Firearm is defined as:
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95) Cordite is an example of:
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96) Improper propellant may lead to:
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97) Higher temperature causes:
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98) Tumbling of bullet is caused by:
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99) Revolver is characterized by:
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100) Physical examination includes:
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101) Final goal of ballistic analysis is:
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102) Controlled burning ensures:
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103) Rifling consists of:
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104) Smokeless powder is:
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105) Hollow-point bullets cause:
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106) Shape of bullet nose affects:
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107) Country-made firearms are:
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108) Angle of ricochet is generally:
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109) Action mechanism refers to:
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110) Threshold energy is:
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111) Rifling produces:
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112) Functional test checks:
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113) Improvised firearm is:
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114) In ricochet, the bullet after impact is generally:
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115) Rifled firearm includes:
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116) Choke in shotgun is used to:
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117) Internal ballistics is affected by:
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118) Bullet instability increases:
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119) Semi-automatic firearm uses:
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120) Maximum velocity occurs when:
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121) Cartridge consists of:
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122) Headstamp marking indicates:
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123) Ballistic gelatin simulates:
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124) Propellant combustion results in formation of:
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125) Degressive burning produces:
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126) Energy of propellant converts into:
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127) Exit wound is usually:
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128) High pressure results in:
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129) Ignition of propellant is caused by:
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130) Bullet tumbling results in:
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131) Terminal ballistics is important in:
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132) Higher striking velocity results in:
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133) Ball powder is a type of:
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134) The main function of propellant is to:
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135) Bullet fragmentation results in:
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136) Bore refers to:
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137) Permanent cavity is:
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138) Fully automatic firearm fires:
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139) Single-base propellant contains:
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140) Shotgun pattern spread increases with:
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141) Classification of firearms is based on:
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142) Shotgun ammunition contains:
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143) Ballistic evidence helps in:
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144) Terminal ballistics deals with:
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145) Black powder consists of:
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146) Barrel friction reduces:
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147) Angle of impact affects:
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148) Purpose of rifling is to:
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149) Recoil depends on:
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150) Bullet comparison involves:
FACT Forensic Ballistics & Physical Sciences Unit 2
Category: FACT FBall U2
1) In vacuum, trajectory of projectile is:
2) Nitrite residues originate from:
3) Range of firing determination depends on:
4) IR photography is useful for:
5) In smooth bore firearms, shot spread increases with:
6) Stability of bullet depends on:
7) Shot dispersion pattern helps in:
8) Cart-wheel pattern is characterized by:
9) Overturning moment affects:
10) Which of the following is TRUE about striations?
11) Subclass characteristics arise due to:
12) In contact firing, which is observed?
13) In Walker’s test, heating is applied using:
14) External ballistics helps in:
15) Comparison microscope is essential because:
16) Cross-wind force causes:
17) Sodium rhodizonate test produces:
18) Stringing of shots refers to:
19) Doppler radar measures:
20) In Walker’s test, nitrites are converted into:
21) Velocity of projectile decreases due to:
22) Bullet drift is affected by:
23) Which of the following statements is correct?
24) Ballistic tables are used for:
25) Air trajectory differs from vacuum due to:
26) In firearm identification, reproducibility of marks indicates:
27) Comparison microscope uses:
28) Shotgun pellets lose velocity due to:
29) Drift of bullet is due to:
30) Sodium rhodizonate test detects:
31) Absence of matching marks leads to:
32) In smooth bore firearms, range determination is based on:
33) Shotgun linkage is difficult because:
34) Maximum height depends on:
35) Which of the following is TRUE regarding shotgun identification?
36) Air resistance causes:
37) Lead residues originate from:
38) Balling occurs when:
39) Breech face marks are formed due to:
40) Which of the following is TRUE regarding source correspondence?
41) Wad marks are useful for:
42) Matching of individual characteristics indicates:
43) Bullet wipe is associated with:
44) Which of the following is TRUE regarding comparison microscope?
45) Armour reduces penetration by:
46) Range determination is important for:
47) Terminal velocity depends on:
48) Mach angle is given by:
49) Cross wind causes:
50) Which of the following is TRUE about class characteristics?
51) Maximum range in vacuum is obtained at angle:
52) Stability increases with:
53) Automated trajectory systems use:
54) Time of flight depends on:
55) Magnus effect is due to:
56) Determination of range of firing is based on:
57) Chronograph works on:
58) Distant firing in rifled firearm shows:
59) Range of projectile depends on:
60) The expert opinion “could have been fired” indicates:
61) Tattooing around wound is caused by:
62) Environmental factors affecting GSR include:
63) GSR pattern decreases with:
64) Blackening is due to:
65) In rifled firearms, range determination is based on:
66) Nutation refers to:
67) Cartridge case examination includes:
68) Falling bullet reaches:
69) Griess test is used for detection of:
70) Which of the following marks are most stable over time?
71) Walker’s test is used for detection of:
72) Yaw of bullet refers to:
73) Modified Griess test produces:
74) Which of the following is strongest conclusion?
75) In close range firing, the wound shows:
76) Boat-tailed bullets are used to:
77) Firearm identification is based on:
78) Bullet resistant glass is made of:
79) Ballistic coefficient (BC) depends on:
80) Energy loss in air is due to:
81) In distant firing, which of the following is observed?
82) Gyroscopic stability is provided by:
83) Range determination in rifled firearms is mainly based on:
84) Walker’s test uses:
85) The database used for ballistic comparison is:
86) Shot pattern analysis helps in:
87) Which of the following is TRUE?
88) Shotgun pellets generally show:
89) Shotgun projectiles follow:
90) If class characteristics do not match, the conclusion is:
91) Bullet comparison involves:
92) If individual characteristics match perfectly, conclusion is:
93) Firing pin impression is produced when:
94) Which of the following affects range determination?
95) Cartridge case linkage is easier because:
96) Which of the following marks are most reliable for firearm identification?
97) Higher BC results in:
98) Kevlar is used in armour due to:
99) In balling, pellets behave as:
100) In semi-automatic firearms, ejector marks are formed due to:
101) In country-made firearms, identification is easier because:
102) Which of the following is NOT useful in firearm identification?
103) Stringing of shot pattern occurs due to:
104) Which of the following is TRUE?
105) Bullet resistant glass works on principle of:
106) Projectile velocity is measured using:
107) Air resistance depends on:
108) Which of the following may mislead identification?
109) Which of the following is TRUE regarding photomicrographs in court?
110) Absence of residue indicates:
111) Matching process is based on:
112) Test firing is performed to obtain:
113) In close range shotgun firing, pattern is:
114) Photomicrography helps in:
115) Identification of firearm depends mainly on:
116) In distant firing, shotgun pattern is:
117) Base drag is caused due to:
118) External ballistics deals with:
119) In photomicrography, the purpose is to:
120) Which of the following affects individual characteristics?
121) Effect of stringing results in:
122) Form factor depends on:
123) Supersonic bullet produces:
124) An evidence fired bullet is recovered showing 6 lands and grooves with right-hand twist. Which of the following is correct?
125) Ingalls tables are used for:
126) Inconclusive result is given when:
127) Stability factor indicates:
128) Bullet resistant armour works by:
129) Final aim of firearm identification is:
130) IR photography is useful when:
131) Precession is:
132) Firearm identification helps in:
133) Final goal of external ballistics is:
134) Individual characteristics on bullets arise mainly due to:
135) The path followed by a projectile is called:
136) The absence of rifling in shotguns makes identification:
137) Which of the following tests detects nitrites pattern on cloth?
138) Velocity of shot charge is:
139) Lead is used in bullets due to:
140) In air, trajectory becomes:
141) Presence of wad in wound indicates:
142) Modified Griess test is used for:
143) Ballistic coefficient is given by:
144) Balling is generally caused by:
145) Final aim of range determination is:
146) Which of the following marks are formed during extraction?
147) Close range firing in rifled firearm shows:
148) Drop of bullet is due to:
149) In firearm identification, quick elimination of suspected bullets is primarily based on:
150) Shot spread increases with:
FACT Forensic Ballistics & Physical Sciences Unit 3
Category: FACT FBall U3
1) SEM-EDX provides:
2) Ballistic report helps in:
3) Medico-legal report includes:
4) Shooter identification is based on:
5) Paraffin test is:
6) GSR particles are spherical due to:
7) Sodium rhodizonate test is used for detection of:
8) IR photography is useful for:
9) Pellet pattern helps in:
10) GSR analysis requires:
11) Primer residues commonly contain:
12) Laboratory examination confirms:
13) Bullet hole in cloth shows:
14) EDXRF requires:
15) Bullet track represents:
16) Shooting reconstruction involves:
17) SEM uses:
18) GSR particles are mainly:
19) NAA is highly useful for:
20) Bullet hole in metal shows:
21) In encounter cases, evidence should show:
22) Absence of GSR indicates:
23) NAA is used for:
24) SEM-EDX identifies GSR based on:
25) GSR analysis helps in:
26) Final aim of instrumental techniques is:
27) SEM is useful for:
28) Exit hole in glass is:
29) In suicide cases, firearm is usually found:
30) Characteristic GSR particles detected by SEM-EDX contain:
31) ICP-MS detects ions based on:
32) Which technique is most suitable for GSR detection?
33) Lead residue around hole indicates:
34) ICP-MS is used in ballistics for:
35) Absence of GSR may indicate:
36) Pellet pattern analysis helps in:
37) Bullet hole characteristics depend on:
38) Presence of soot indicates:
39) Atomic Absorption Spectroscopy (AAS) is based on:
40) IR photography is useful in ballistics for:
41) Bullet hole in wood shows:
42) Ricochet marks indicate:
43) Characteristic GSR particles contain:
44) Reconstruction requires:
45) GSR is deposited on:
46) Presence of dense GSR indicates:
47) In suicide, firearm is generally:
48) Time delay reduces:
49) Distant range shotgun pattern is:
50) Bullet hole in glass shows:
51) Paraffin test gives false positive due to:
52) EDX provides:
53) AAS requires:
54) IR photography is used when:
55) Presence of wad in target indicates:
56) Ricochet marks help in:
57) GSR pattern around hole helps in:
58) AAS is mainly used for:
59) Chemical tests for bullet holes include:
60) Entrance hole shows:
61) Contact wound is commonly associated with:
62) In accidental shooting, pattern is:
63) SEM-EDX is widely used for:
64) Documentation of bullet holes includes:
65) Dermal nitrate test is also known as:
66) False positive GSR may arise from:
67) AAS measures:
68) Neutron Activation Analysis (NAA) is based on:
69) Direction of fire is determined by:
70) SEM-EDX identifies GSR by:
71) In AAS, hollow cathode lamp acts as:
72) Mass spectrometer separates ions based on:
73) EDXRF is used for:
74) Medico-legal opinion is based on:
75) Shooting reconstruction helps in:
76) Exit hole shows:
77) Secondary transfer of GSR means:
78) Sodium rhodizonate test is specific for:
79) Griess test produces:
80) Final aim of GSR analysis is:
81) Which technique is best for trace metal detection in GSR?
82) Ricochet reduces:
83) ICP stands for:
84) Multiple gunshot wounds are more indicative of:
85) EDXRF is advantageous because:
86) Determination of manner of death depends on:
87) Bullet deformation indicates:
88) Presence of hesitation marks indicates:
89) Self-inflicted wounds are usually:
90) The most reliable method for GSR detection is:
91) Maximum GSR is found on:
92) IR photography helps in:
93) ICP-MS is used for:
94) Final aim of reconstruction is:
95) Self-defence cases involve:
96) Instrumental analysis helps in:
97) EDXRF is based on:
98) Pellet dispersion depends on:
99) ICP-MS sensitivity is in range of:
100) Gunshot residue (GSR) mainly consists of:
101) Chemical tests are mainly:
102) Entry hole in glass is:
103) Angle of impact affects:
104) In accidental firing, intent is:
105) Close range shotgun pattern is:
106) Bullet hole identification is based on:
107) ASV works on principle of:
108) SEM-EDX is used for:
109) IR photography works on:
110) GSR can be removed by:
111) NAA requires:
112) Ricochet bullets are generally:
113) GSR distribution pattern helps in:
114) SEM provides information about:
115) Bullet hole in glass shows:
116) GSR persistence depends on:
117) Lead residues mainly originate from:
118) NAA is:
119) Dermal nitrate test detects:
120) Detection of bullet hole in dark cloth is done by:
121) GSR analysis is important for:
122) GSR collection is done using:
123) Distribution of GSR decreases with:
124) Which of the following is TRUE?
125) SEM resolution is higher than:
126) ASV is highly sensitive for:
127) Griess test detects:
128) Ricochet marks are characterized by:
129) ASV detection limit is:
130) ICP-MS has:
131) ICP-MS is preferred over AAS because:
132) SEM requires vacuum because:
133) Griess test works on principle of:
134) Non-characteristic GSR particles include:
135) Laboratory report includes:
136) Encounter cases require:
137) Anodic Stripping Voltammetry (ASV) is used for:
138) In shooter identification, most reliable evidence is:
139) In suicide cases, GSR is found on:
140) Modified Griess test is used for:
141) AAS is limited because:
142) In homicide, GSR is usually found on:
143) Nitrites in GSR originate from:
144) In homicide, wound location is usually:
145) NAA is highly specific because:
146) Autopsy findings help in:
147) Positive sodium rhodizonate test gives:
148) EDXRF is:
149) Bullet path reconstruction is based on:
150) EDX detects elements based on:
FACT Forensic Ballistics & Physical Sciences Unit 4
Category: FACT FBall U4
1) The Arms Act in India was enacted in:
2) Use of firearm in public place without justification is:
3) Arms licence can be cancelled if:
4) Ammunition possession limit is:
5) Illegal arms possession is considered:
6) “Arms” under the Act includes:
7) Which authority maintains arms records?
8) Arms Act aims to:
9) Licence holder must report loss of firearm to:
10) Manufacture of arms without licence is:
11) Arms Rules 2016 introduced:
12) Use of firearm in crime leads to:
13) Import/export of arms is regulated by:
14) Transport of arms requires:
15) Arms Rules 2016 focus on:
16) Prohibited arms licence is granted by:
17) Licence for arms is granted by:
18) Storage of firearms must ensure:
19) Possession of prohibited arms without licence is:
20) Weapon misuse leads to:
21) Carrying firearm in prohibited area is:
22) Prohibited arms include:
23) Sale of arms requires:
24) Record keeping of arms includes:
25) Arms Act violations are tried under:
26) Carrying loaded firearm in public is:
27) Dealer of arms must have:
28) Which of the following requires a licence?
29) Ammunition without firearm licence is:
30) Transfer of arms licence is:
31) Which of the following is TRUE?
32) Which of the following is TRUE?
33) Maximum number of firearms allowed for a person (as per latest rules):
34) Final aim of Arms Act is:
35) Arms Rules, 2016 were framed under:
36) Renewal of licence requires:
37) Renewal of licence is required after:
38) Arms licence validity is generally:
39) Carrying firearm in public requires:
40) Arms Act is enforced by:
41) Arms Rules 2016 emphasize:
42) Which of the following is an offence?
43) Use of firearm under intoxication is:
44) Prohibited ammunition includes:
45) Penalty for illegal possession of arms includes:
46) Suspension of licence can occur due to:
47) Arms licence can be revoked in interest of:
48) Use of firearm in self-defence is:
49) Manufacture of ammunition requires:
50) Arms licence is issued considering:
FACT Forensic Ballistics & Physical Sciences Unit 5
Category: FACT FPhy U1
1) The immediate area where crime occurred is called:
2) RAW image format is:
3) Flash is used for:
4) Microscopy is useful for:
5) ISO setting in a camera refers to:
6) UV photography is mainly used for:
7) Paint consists of:
8) Which format retains maximum image data?
9) Pattern evidence includes:
10) The first photograph taken at crime scene should be:
11) EDX detects:
12) Phosphorescence is:
13) Shutter speed controls:
14) Auger spectroscopy is used for:
15) Phosphorescence differs by:
16) Which is NOT physical evidence?
17) Footwear impressions on soft soil are preserved by:
18) Corroborative evidence:
19) Atomic spectra arise due to:
20) Chain of custody documentation must include:
21) Photographs are admissible when:
22) Spiral search is best used in:
23) AES involves:
24) Improper collection leads to:
25) JPEG format is:
26) Which of the following is NOT a part of crime scene documentation?
27) Absorbance is proportional to:
28) Resolution depends on:
29) Casting material commonly used is:
30) Close-up photographs are taken to show:
31) Tyre skid marks help in:
32) Authentication ensures:
33) Chemical shift indicates:
34) Infrared spectroscopy is used in paint analysis for:
35) Telephoto lens is mainly used for:
36) Best method for fibre analysis is:
37) Raman spectroscopy is based on:
38) NMR is based on:
39) Microscopic fibres are best collected by:
40) TEM is used for:
41) UV-visible is used for:
42) Neutron activation analysis is used for:
43) Which documentation method provides dynamic recording?
44) The basic principle of camera operation is:
45) Tangible items related to crime are:
46) Crime scene sketch is mainly used to:
47) IR spectroscopy identifies:
48) Evidence packaging must ensure:
49) Fluorescence microscopy detects:
50) Crime scene search method depends on:
51) Raman is preferred over IR for:
52) Radial cracks form:
53) UV photography helps in detecting:
54) Ear print identification is based on:
55) Quantum numbers describe:
56) The primary purpose of crime scene photography is:
57) Crime Scene Investigation does NOT include:
58) The function of aperture in a camera is to control:
59) Reprovit unit is used for:
60) Stereo zoom microscope provides:
61) The first responding officer should:
62) Absorption occurs when:
63) Video evidence must follow:
64) Concentric cracks form:
65) Overall photographs show:
66) Crime scene videography provides:
67) Final goal of forensic photography is:
68) Image editing in forensic photography should be:
69) SEM provides:
70) NMR is used for:
71) Interference in AAS affects:
72) Radiochemical techniques involve:
73) WDX is based on:
74) Integrity of chain of custody ensures:
75) Photography is defined as:
76) EDX is attached to:
77) Forensic videography is mainly used for:
78) Fluorescence spectroscopy is based on:
79) Fluorescence is:
80) Reconstruction of crime scene helps to:
81) Laboratory photography is used for:
82) High-speed videography is used for:
83) Tool marks are formed due to:
84) Videography records:
85) Beer-Lambert law relates:
86) Individual characteristics in tool marks are:
87) Photoelectric detectors convert:
88) AAS is used for:
89) Image sensor converts:
90) Court accepts photographs as:
91) ICP-AES is used for:
92) Locard’s principle states:
93) FTIR uses:
94) Refractive index of glass is measured using:
95) Polarized light microscope is used for:
96) Class characteristics indicate:
97) Tripod is used to:
98) Resolution of electron microscope is higher because of:
99) Probative value refers to:
100) Aerial videography is useful for:
101) IR photography is useful in document examination for:
102) Photographs represent:
103) UV-visible spectroscopy involves:
104) Digital evidence must be:
105) Infrared photography is useful for:
106) Gait pattern analysis helps in:
107) Altered photograph becomes:
108) Individual characteristics indicate:
109) Chain of custody ensures:
110) Forensic photography must be:
111) Chemical etching is used for:
112) Solvent affects:
113) Correct sequence of crime scene photography is:
114) Audio in videography is:
115) Detection limit refers to:
116) XRD is used for:
117) Cheiloscopy is study of:
118) Midrange photographs show:
119) Selection rules determine:
120) Which lens is suitable for capturing a large crime scene?
121) Comparison microscope is used for:
122) Spin property is related to:
123) Calibration of instrument ensures:
124) Proper documentation helps in:
125) Video recording should be:
126) Fibre evidence is generally:
127) Spectroscopy studies:
128) NMR studies:
129) Electron microscope uses:
130) Grid search is most suitable for:
131) Glass fragments are considered:
132) Tyre impressions in soft soil are called:
133) Photographic detectors detect:
134) Trace evidence includes:
135) Close-up photographs must include:
136) Control soil sample is collected from:
137) Magnification of compound microscope is:
138) Which of the following best describes “modus operandi”?
139) Digital cameras use:
140) Direction of impact is determined by:
141) Emission occurs when:
142) Fingerprint photography requires:
143) Metadata in digital image includes:
144) 3R rule is associated with:
145) Serial number restoration is based on:
146) Evidence forwarding must include:
147) DSLR stands for:
148) Soil comparison includes:
149) Bite marks are useful for:
150) Camera movement in videography should be:
FACT Forensic Ballistics & Physical Sciences Unit 6
1 / 155
Category: FACT FPhy U2
1) Hypothesis testing is used for:
2 / 155
2) Human voice is produced by vibration of:
3 / 155
3) Nanotechnology reduces:
4 / 155
4) Spectrographic analysis is also called:
5 / 155
5) Facial biometrics is used for:
6 / 155
6) Shot-by-shot analysis means:
7 / 155
7) Syntax refers to:
8 / 155
8) Standard deviation measures:
9 / 155
9) Probability means:
10 / 155
10) Nanotechnology is used in forensics for:
11 / 155
11) SI unit of temperature is:
12 / 155
12) Fingerprint individuality is based on:
13 / 155
13) Semantics deals with:
14 / 155
14) t-test is used for:
15 / 155
15) Carbon nanotubes are used for:
16 / 155
16) Top-down approach involves:
17 / 155
17) Normalization adjusts:
18 / 155
18) Video consists of:
19 / 155
19) PAL video standard has:
20 / 155
20) Quantum effects are significant in:
21 / 155
21) Nanoparticles enhance:
22 / 155
22) Analogue to digital conversion involves:
23 / 155
23) Bayes theorem is used for:
24 / 155
24) Binomial distribution is used for:
25 / 155
25) Admissibility of audio evidence depends on:
26 / 155
26) Nanoparticles are used due to:
27 / 155
27) Coefficient of variation is:
28 / 155
28) Colloidal solution contains:
29 / 155
29) Example of nanomaterial is:
30 / 155
30) Nanotechnology improves:
31 / 155
31) Phonetics deals with:
32 / 155
32) Audio evidence must be:
33 / 155
33) Regression is used for:
34 / 155
34) Pragmatics deals with:
35 / 155
35) Coefficient of regression shows:
36 / 155
36) Agglomeration means:
37 / 155
37) Open test involves:
38 / 155
38) Feasibility refers to:
39 / 155
39) Forensic nanotechnology helps in:
40 / 155
40) One nanometer (nm) is equal to:
41 / 155
41) Histogram is used for:
42 / 155
42) Nanotechnology provides:
43 / 155
43) Video enhancement improves:
44 / 155
44) Nano-sensors detect:
45 / 155
45) Frame extraction means:
46 / 155
46) Nanomaterials are useful in:
47 / 155
47) Bottom-up approach involves:
48 / 155
48) Chi-square test is used for:
49 / 155
49) Correlation measures:
50 / 155
50) CCTV evidence must be:
51 / 155
51) Nanoparticles interact strongly due to:
52 / 155
52) Speech signal processing includes:
53 / 155
53) Hash value in video ensures:
54 / 155
54) Nanotechnology involves:
55 / 155
55) Test statistic is used to:
56 / 155
56) Nanoscience deals with:
57 / 155
57) Nanotechnology in fingerprints improves:
58 / 155
58) Fullerene is a form of:
59 / 155
59) Uncertainty in measurement indicates:
60 / 155
60) Likelihood ratio is used to:
61 / 155
61) Biological synthesis uses:
62 / 155
62) Fundamental frequency of voice depends on:
63 / 155
63) Range is defined as:
64 / 155
64) Size reduction leads to:
65 / 155
65) Probability value lies between:
66 / 155
66) Proper documentation helps in:
67 / 155
67) Mean is defined as:
68 / 155
68) Velocity of sound is maximum in:
69 / 155
69) Silver nanoparticles are useful in:
70 / 155
70) Quantum dots are used for:
71 / 155
71) DVR stands for:
72 / 155
72) Auditory analysis is based on:
73 / 155
73) Final goal of forensic photography is:
74 / 155
74) Length of vocal cords in males is:
75 / 155
75) Voice sample segregation means:
76 / 155
76) Level of significance is:
77 / 155
77) Admissibility of CCTV evidence depends on:
78 / 155
78) Nano-analysis is preferred because:
79 / 155
79) Paired test compares:
80 / 155
80) Text-dependent speaker recognition uses:
81 / 155
81) Extraction from DVR/NVR requires:
82 / 155
82) Intraspeaker variation refers to:
83 / 155
83) Nanoparticle size can be controlled by:
84 / 155
84) Nanoparticles are useful in:
85 / 155
85) Audio recording devices include:
86 / 155
86) Nanoparticles can be:
87 / 155
87) Graphology is study of:
88 / 155
88) Forensic videography is mainly used for:
89 / 155
89) Measurement close to true value is:
90 / 155
90) Hash value is used for:
91 / 155
91) Closed test means:
92 / 155
92) Authenticity of audio ensures:
93 / 155
93) Nanotechnology deals with materials in the size range of:
94 / 155
94) Nanoparticles exhibit:
95 / 155
95) Hair comparison uses:
96 / 155
96) Frequency domain represents:
97 / 155
97) Forensic significance of voice includes:
98 / 155
98) Nanoparticles are useful in:
99 / 155
99) Null hypothesis is:
100 / 155
100) Addition theorem of probability applies when:
101 / 155
101) Sensitivity means:
102 / 155
102) High surface area leads to:
103 / 155
103) Exhaustive events mean:
104 / 155
104) Nanotechnology helps in detecting:
105 / 155
105) Conversion from analogue to digital involves:
106 / 155
106) Biosensors use:
107 / 155
107) Enhancement of audio aims to:
108 / 155
108) Correlation coefficient lies between:
109 / 155
109) Nanotechnology is applied in:
110 / 155
110) Compatibility means:
111 / 155
111) Weight of evidence indicates:
112 / 155
112) Large sample test is applied when:
113 / 155
113) Physical methods include:
114 / 155
114) Gold nanoparticles are used for:
115 / 155
115) Future of forensic nanotechnology lies in:
116 / 155
116) Probability of guilt depends on:
117 / 155
117) SI unit of length is:
118 / 155
118) Stabilizing agents are used to:
119 / 155
119) Limitation of nanotechnology includes:
120 / 155
120) Surface area of nanoparticles is:
121 / 155
121) Mutually exclusive events are:
122 / 155
122) Time domain represents:
123 / 155
123) Interlacing in video means:
124 / 155
124) Frequency distribution shows:
125 / 155
125) Unit conversion must maintain:
126 / 155
126) Conditional probability depends on:
127 / 155
127) IR photography is useful in document examination for:
128 / 155
128) Median is:
129 / 155
129) Random error is:
130 / 155
130) Normal distribution is:
131 / 155
131) Number plate enhancement helps in:
132 / 155
132) Sound is defined as:
133 / 155
133) Positive correlation means:
134 / 155
134) Stability of nanoparticles depends on:
135 / 155
135) F-test is used for:
136 / 155
136) Selectivity of nanoparticles refers to:
137 / 155
137) Carbon nanotubes are:
138 / 155
138) Hypergeometric distribution is used for:
139 / 155
139) Variance is:
140 / 155
140) Chain of custody ensures:
141 / 155
141) UV photography helps in detecting:
142 / 155
142) Automatic speaker recognition uses:
143 / 155
143) Text-independent recognition uses:
144 / 155
144) Chemical synthesis method includes:
145 / 155
145) LPC stands for:
146 / 155
146) Mode is:
147 / 155
147) Systematic error is:
148 / 155
148) Morphology studies:
149 / 155
149) The symbol for integers is:
150 / 155
150) Rational numbers are:
151 / 155
151) Interspeaker variation refers to:
152 / 155
152) Sum of deviations from mean is:
153 / 155
153) Metadata in video includes:
154 / 155
154) Pearson’s test refers to:
155 / 155
155) FFT stands for:
FACT Forensic Ballistics & Physical Sciences Unit 7
Category: FACT Fphy U3
1) Coefficient of friction is:
2) Grit is used in roads for:
3) Seat belts are used for:
4) CAD is used in reconstruction for:
5) Road evidence includes:
6) Yaw marks indicate:
7) Cement mortar consists of:
8) Speed increases braking distance:
9) Road surface condition affects:
10) Braking distance increases with:
11) Vehicle kinematics studies:
12) Debris at scene indicates:
13) Vehicular fire may be caused by:
14) Cement hydration produces:
15) Final aim of accident reconstruction is:
16) Brake system is used to:
17) Adulteration in cement is detected by:
18) Airbags function by:
19) Sampling of cement must ensure:
20) Door lock analysis helps in:
21) Wet road surface causes:
22) Slide-to-stop distance is used for:
23) Collision marks help in:
24) Cement is mainly composed of:
25) Control sample is used for:
26) Disc brakes provide:
27) Drag factor is measured using:
28) Building material analysis includes:
29) Tyre marks help in:
30) Adulterants in cement reduce:
31) Skid marks are produced due to:
32) Skid marks length helps in:
33) Speed recording devices include:
34) Vehicle damage helps in:
35) Physical analysis includes:
36) Reconstruction helps in:
37) Tyres are classified based on:
38) Paint transfer indicates:
39) Road defects include:
40) Drag factor depends on:
41) Bitumen is used for:
42) Motorcycle stability depends on:
43) Steel bars are tested for:
44) Vault refers to:
45) Flip refers to:
46) Concrete consists of:
47) Hit-and-run investigation involves:
48) Speed is proportional to:
49) Under-inflated tyres cause:
50) Road design affects:
FACT Forensic Ballistics & Physical Sciences Mock 1
1 / 120
Category: FACT FBall Mock 1
1) Dermal nitrate test gives:
2 / 120
2) Individual characteristics develop due to:
3 / 120
3) Choke reduces:
4 / 120
4) Cartridge identification depends on:
5 / 120
5) Walker test detects:
6 / 120
6) The primary function of primer is to:
7 / 120
7) Ballistics is study of:
8 / 120
8) Revolver cartridge cases lack:
9 / 120
9) Internal ballistics deals with:
10 / 120
10) Rimfire cartridge uses:
11 / 120
11) Bullet path reconstruction uses:
12 / 120
12) Constriction near muzzle is called:
13 / 120
13) 12-bore cylindrical barrel produces entrance hole of:
14 / 120
14) Time since firing can be estimated by:
15 / 120
15) Restoring erased marks uses:
16 / 120
16) Terminal ballistics deals with:
17 / 120
17) Low velocity bullets produce:
18 / 120
18) Cartridge case marking depends on:
19 / 120
19) Dermal test detects:
20 / 120
20) GSR contains:
21 / 120
21) Smooth bore reduces:
22 / 120
22) Trajectory depends on:
23 / 120
23) Primer ignition is due to:
24 / 120
24) Range of firing is determined by:
25 / 120
25) Drift is caused by:
26 / 120
26) Maximum height of trajectory depends on:
27 / 120
27) Evidence linking depends on:
28 / 120
28) Linking firearm involves:
29 / 120
29) Low-pressure drag behind bullet is:
30 / 120
30) Projectile path is:
31 / 120
31) Burning rate of propellant depends on:
32 / 120
32) High velocity bullets produce:
33 / 120
33) Bullet penetration depends on:
34 / 120
34) Barrel striae are produced by:
35 / 120
35) Investigator must be:
36 / 120
36) The tapered portion connecting chamber and bore is called:
37 / 120
37) Brass used for cartridges because:
38 / 120
38) Time to travel 1 inch at constant velocity depends on:
39 / 120
39) Individual characteristics include:
40 / 120
40) Sheared primer causes:
41 / 120
41) Tattooing in handguns occurs up to:
42 / 120
42) Retardation with yaw follows:
43 / 120
43) Black powder consists of potassium nitrate, charcoal and sulphur in ratio:
44 / 120
44) Recoil is due to:
45 / 120
45) Shorter barrel leads to:
46 / 120
46) Photomicrograph requirement depends on:
47 / 120
47) Blackening on cloth due to:
48 / 120
48) Revolver cylinder rotates via:
49 / 120
49) Zip gun refers to:
50 / 120
50) Two firing pin impressions on cartridge case can be resolved by:
51 / 120
51) Filing firing pin affects:
52 / 120
52) Breech face marks are:
53 / 120
53) Groove on bullet helps in:
54 / 120
54) Major factor affecting trajectory:
55 / 120
55) Hangfire means:
56 / 120
56) Terminal velocity is:
57 / 120
57) Lab report must be:
58 / 120
58) Extractor marks are found on:
59 / 120
59) Burning effect observed up to:
60 / 120
60) Depth of rifling grooves typically ranges:
61 / 120
61) Base drag occurs due to:
62 / 120
62) The term used for designation of rifled firearms based on bore size is:
63 / 120
63) Improvised firearms are:
64 / 120
64) Evidence comparison needs:
