MPPSC Scientific Officer Forensic Science & Forensic Chemistry Paper 2013

MPPSC Scientific Officer Forensic Science & Forensic Chemistry Paper 2013

The CORRECT method of preserving clothes stained with vomitus in a poinsoning case is
(a) Air dried in shade and preserved
(b) Sun dried and preserved
(c) Preserved with sodium chloride solution
(d) Immediately packed in a polythene bag

What is the Anti-dote for methyl alcohol poisoning ?
(a) Atropine
(b) Ethanol
(c) Nalmorphine
(d) Caffeine

The end product of methyl alcohol metabolism is
(a) Acetaldehyde
(b) Formaldehyde
(c) Acetic acid
(d) Formic acid

Which enzyme is responsible to convert the sugars into ethanol ?
(a) Lypase
(b) Peroxidase
(c) Catalase
(d) Zymase

The approximate concentration of ethyl alcohol is Sherry and Port wines is
(a) 5 – 8%
(b) 40 – 60%
(c) 15 – 20%
(d) 95 – 97.5%

The energy of photon is directly proportional to its
(a) Incident angle
(b) Reflection angle
(c) Frequency
(d) Absorption

Which one of the following is a specific detector for organo-phosphorus compounds ?
(a) FID
(b) NPD
(c) ECD
(d) HWD

The blasting grade ANFO prills contain
(a) 7% oxygen
(b) 50% oxygen
(c) 35% oxygen
(d) 20% oxygen

Ammonium Nitrate Fuel Oil (ANFO) is equivalent to
(a) 60% TNT
(b) 120% TNT
(c) 30% TNT
(d) 80% TNT

Which one is a primary explosive ?
(a) RDX
(b) ANFO
(c) TNT
(d) PbN3

ECD is basically used for the detection of
(a) Hydrocarbons
(b) Halides
(c) Nitrogenouos compounds
(d) Phosphated compounds

The collection of debris at the origin of a fire should include all
(a) Porous material
(b) Non-porous materials
(c) Porous and non-porous both materials
(d) None of the above

What is plotted in Mass-Spectrum ?
(a) Number of radial vs. time
(b) Time vs. m/e
(c) Ion abundance vs. m/e
(d) Time vs. Ion abundance

What is the unit of specific gravity ?
(a) Gram
(b) Gm/cc
(c) g per cubic cm
(d) None of the above

On which principle does colour pattern of fire work ?
(a) Electromagnetic force
(b) Electromagnetic radiation
(c) Thermodynamics – 3rd law
(d) None of the above

To recover high-explosive residues, debris recovered from the site of an explosion is routinely rinsed with
(a) Deionized water
(b) Propanol
(c) Methanol
(d) Acetone

The lowest temperatur at which a liquid gives off sufficient vapour to form a mixture with air that will support combustion ?
(a) Ignition temperature
(b) Flash point
(c) Flash over
(d) Flash back

Fire mechanism is based on
(a) Oxidation
(b) Reduction
(c) Redox
(d) None of the above