UGC NTA NET/JRF Exam, Forensic Science, December-2019Total Questions: 1001. The flash point of typical standard diesel is:A. 10°C - 20°CB. 35°C - 40°CC. 60°C - 85°CD. 110°С - 145°СCorrect Answer: B. 35°C - 40°C2. Neutron activation analysis detects the presence of following in G.S.R.A. Antimony and leadB. Antimony and bariumC. Barium and nitritesD. Antimony and nitritesCorrect Answer: B. Antimony and barium3. Iron-tanin ink gave a blue colour to the line of writing due to the presence of indigo dye. It turned black after some time because.A. Indigo dye got oxidizedB. Iron-tanin components got oxidizedC. Indigo dye got reducedD. Iron-tanin component got reducedCorrect Answer: B. Iron-tanin components got oxidized4. The direction of stroke of ball-point pen lines can be determined by examiningA. GoopingB. Burr striationsC. HiatusD. EscapementCorrect Answer: B. Burr striations5. Which type of identification mark (Serial number) on metal surface cannot be restored after obliteration?A. Cast marksB. Engraved marksC. Punched marksD. Over stamped marksCorrect Answer: A. Cast marks6. Diphenyl Amine Reagent (DPA) used for identification of explosive is prepared by dissolving 1gm of diphenylamine in 100 ml of which of the followingA. Concentrated nitric acidB. Concentrated hydrochloric acidC. Concentrated sulphuric acidD. Concentrated Acetic acidCorrect Answer: C. Concentrated sulphuric acid7. Which amino acid is present in hair medullar protein that is usually not a component of proteins?A. GlycineB. CitrullineC. CystineD. ProlineCorrect Answer: B. Citrulline8. The inert ingredient in aluminum phosphide tablet which prevents self ignition of phosphine gas is:A. Ammonium carbamateB. Sodium chlorateC. Potassium chlorideD. Diphenyl amineCorrect Answer: A. Ammonium carbamate9. The process of reading or interpreting the effaced or illegible writings is:A. restorationB. obliterationC. deciphermentD. splicingCorrect Answer: C. decipherment10. The coefficient of reduction or form factor is calculated by the formulaA. (1/2)gt² (Where 'g' is the acceleration due to gravity and 't' is the time taken)B. Avⁿ (Where 'A' and 'n' are constants and 'v' is the velocity of the projectile)C. W/d² (Where 'W' is the weight of the projectile and 'd' is the cross-sectional diameter)D. √(4r-1)/(7) (Where 'r' is the original radius (in calibres) of the projectile)Correct Answer: D. √(4r-1)/(7) (Where 'r' is the original radius (in calibres) of the projectile)Submit Quiz12345678910Next »
