UGC NTA NET/JRF Exam, Forensic Science, June-2022

Total Questions: 100

71. Match List-I with List-II:

List-I (Book/Theory proposed/Characteristics, etc)List-II (Author/Thinker/Name of Theory, etc)
(a) AlligatoringI. Formation of irregular cracks in the glass.
(b) CrazingII. Chared wood that looks like alligator skin
(c) Depth of charIII. Boundary between burnt and unburnt areas
(d) Line of demarcationIV. How deep the wood is burnt indicates the length of burn
(e) SpallingV. Breaking off, surface pieces of concrete and brick

Choose the correct answer from the options:

(a)(b)(c)(d)(e)
A.IIIIVIIIV
B.IIIIIIVIV
C.IVIIVIIII
D.IIIIVIIIV
Correct Answer: A.

72. Match List-I with List-II:

List-I (Paint type)List-II (Component)
(a) Automotive PaintI. Acrylic Enamel
(b) Architectural PaintII. Polyvinyl acetate
(c) Industrial PaintIII. Storing Enamels
(d) Older Art Object Coating paintIV. Wax and Resins

Choose the correct answer from the options:

(a)(b)(c)(d)
A.IIIIIIIV
B.IIIVIIII
C.IIIIIVII
D.IVIIIIII
Correct Answer: A.

73. Match List-I with List-II:

List-I (Contributions)List-II (Contributor)
(a) Francis GaltonI. First to identify the presence and location of volar pads on the hands and feet
(b) Arthur KollmanII. First book on fingerprint
(c) William HerschelIII. First person to study the persistence of friction ridge skin
(d) D.J.C.A. MayerIV. First to write the friction ridge skin is unique

Choose the correct answer from the options:

(a)(b)(c)(d)
A.IIIIIIIV
B.IIIIIIIV
C.IIIIIIIV
D.IVIIIIII
Correct Answer: B.

74. Match List-I with List-II:

List-I (Photocopiers – Toner type/Toner fusion)List-II (Characteristics observed under microscope)
(a) Liquid tonerI. The toners appears as liquid tar having bubbly appearance.
(b) Dry toner and heat and pressure fusion methodII. Toner particles appear as if it could be readily removed from the paper by scraping.
(c) Dry toner and Radiant heat fusion methodIII. Individual toner particles are discernible with compacted appearance.
(d) Dry toner and cold pressure fusion methodIV. Toners appear to have dyed individual fibres and appears as even, thin, coating through which paper fibres can be seen quite clearly.

Choose the correct answer from the options:

(a)(b)(c)(d)
A.IIIIIIIV
B.IIIVIIII
C.IIIIIIVI
D.IVIIIIII
Correct Answer: D.

75. Match List-I with List-II:

List-I (Mass Analyzer)List-II (Principle of analysis)
(a) Double focusingI. Equal kinetic energy ions enter drift tube
(b) Time-of-flightII. Deflection of ions in magnetic field
(c) QuadrupoleIII. Ion motion in DC and radio-frequency fields
(d) Magnetic sectorIV. Electrostatic focusing followed by magnetic field deflection

Choose the correct answer from the options:

(a)(b)(c)(d)
A.IIIIIVII
B.IIIIIIIV
C.IIVIIIII
D.IVIIIIII
Correct Answer: D.

76. What is the sequence of analysis by nondestructive Neutron Activation method?

(a) Counting I.
(b) Simultaneous irradiation of sample and standards with neutrons
(c) Data processing and read out
(d) Cooling period
Choose the correct answer from the options given below:

Correct Answer: C. (b), (d), (a) and (c) only

77. Which of the following is the correct sequence (descending order) of Intensity distribution of continuum radiation from an X-ray tube with a tungsten target?

(a) Relative intensity at 50 kV
(b) Relative intensity at 40 kV
(c) Relative intensity at 35 kV
(d) Relative intensity at 30 kV
Choose the correct answer from the options given below:

Correct Answer: B. (a), (b), (c) and (d) only

78. Which of the following is the correct sequence of metabolism of ethanol?

(a) Acetic acid
(b) Acetaldehyde
(c) Acetyl coenzyme A
(d) CO₂ and water
(e) Krebs cycle
Choose the correct answer from the options given below:

Correct Answer: A. (b), (a), (c), (e) and (d) only

79. The process of concentrating a sample using direct solid phase microextraction (SPME) of an organic compound in an aqueous sample can be done in which of the following sequence?

(a) Place the sample in a vial
(b) Expose the SPME fibre to the aqueous sample
(c) Clean the SPME fibre
(d) Retract the fibre into the SPME holder
(e) Agitate the sample solution by sonication for 10 min
Choose the correct answer from the options given below:

Correct Answer: A. (a), (c), (b), (e) and (d) only

80. In 5.56 mm INSAS fixed butt rifle arrange in sequence the different components from its muzzle end:

(a) Stock
(b) Barrel
(c) Magazine
(d) Bayonet
(e) Trigger
Choose the correct answer from the options given below:

Correct Answer: A. (d), (b), (c), (e) and (a) only