UGC NTA NET/JRF Exam, Forensic Science, June-2019Total Questions: 10061. Latent fingermarks present on the victim's skin can be developed by which of the following methods?A. Fluorescent powder methodB. Ruthenium tetroxide methodC. SPR (small particle reagent) methodD. Cyanoacrylate fuming methodCorrect Answer: D. Cyanoacrylate fuming method62. The firearms made by blacksmiths by not adhering to any particular specifications or standard material are known asA. shotgunsB. carbinesC. zip gunsD. assault riflesCorrect Answer: C. zip guns63. In gun-shot wounds, the scorching is caused byA. the deposition of smoke from close range by all types of propellantsB. the deposition of elements from bullet, primer composition and cartridge caseC. the flame or by hot gases from close rangeD. the embedding of unburnt or partially burnt propellant grains from close rangeCorrect Answer: C. the flame or by hot gases from close range64. Which of the following is used to analyze for the presence of gun-shot residue?A. MicrospectrophotometryB. Refractive index measurementC. Polarized light microscopyD. Scanning electron microscopy coupled with energy dispersive X-ray analyserCorrect Answer: D. Scanning electron microscopy coupled with energy dispersive X-ray analyser65. The designation of 12-bore means that the internal cross-sectional diameter of gun's barrel is equal toA. 12 mmB. the diameter of a spherical lead ball weighing 1/12 of the poundC. The diameter of a spherical steel ball weighing 1/2 of a poundD. 12 inchCorrect Answer: B. the diameter of a spherical lead ball weighing 1/12 of the pound66. The phenomenon of shaving of bullet is associated withA. firing of ammunitionB. extraction of the cartridge caseC. chambering of the cartridgeD. cocking of the firearmCorrect Answer: A. firing of ammunition67. The 'ballistic coefficient' isA. index of the ability of a projectile to overcome air resistanceB. the efficiency of the shape of a projectile to overcome air resistanceC. the reduction of the bore diameter to improve spread of projectilesD. twist required for spinning and stability of projectile in flightCorrect Answer: A. index of the ability of a projectile to overcome air resistance68. Which of the following is characteristic of rim-fire cartridge?A. Rim in the form of a flange is present at the baseB. The primer composition is located in the rimC. The priming mixture is present in the percussion cap situated in the centre of the cartridge headD. Extractor groove along with a rim flange is present at the cartridge headCorrect Answer: B. The primer composition is located in the rim69. The net retardation of a projectile due to air resistance is given by Where A, n are constants that vary for different velocity zones, V is the velocity of the projectile, g is the acceleration due to gravity, t is the time taken by projectile, E is the angle of elevation and r is the ogival radius in calibers.A.B.C.D.Correct Answer: A.70. The correct sequence of process of chemical restoration of erased serial number on steel surface is(a) photography (b) grinding (c) polishing (d) application of restoration reagent Select the correct option: A. (a), (b), (c), (d), (a)B. (b), (c), (d), (b), (b)C. (d), (c), (a), (b), (a)D. (c), (b), (c), (b), (d)Correct Answer: A. (a), (b), (c), (d), (a)Submit Quiz« Previous12345678910Next »
