41. All the ten fingers having loop pattern will have classification as _________.
(A) 0/0
(B) 1/1
(C) 32/32
(D) 64/64
Answer: (B)
42. _________ technique is used to decipher latent finger-prints on wet non-porous surfaces.
(A) Small Particle Reagent (SPR)
(B) Ninhydrin
(C) Crystal violet
(D) Amido Black
Answer: (A)
43. Which of the following are examples of diacritic marks in handwriting?
(A) Dots of i and j
(B) loops of g and j
(C) Curves of i and j
(D) Loops of p and y
Answer: (A)
44. Which of the following techniques is considered effective to develop latent fingerprints on non-porous surfaces?
(A) Super glue
(B) Ninhydrin
(C) Diazafluorenone (DFO)
(D) Crystal violet
Answer: (A)
45. A bright halo observed near the border of a glass particle immersed in a liquid of a different refractive index is known as
(A) Refractive point
(B) Birefringence
(C) A straight line
(D) Becke line
Answer: (D)
46. Compressive strength analysis is done in case of
(A) Paint smear
(B) Hair
(C) Footprint
(D) Cement block
Answer: (D)
47. The following compound is not present in Borosilicate glass:
(A) Silica (SiO2)
(B) K2O
(C) Al2O3
(D) CaO
Answer: (D)
48. 4R rule of glass fracture relates to
(A) Concentric fracture
(B) Radial fracture
(C) Rib mark
(D) Hackle mark
Answer: (B)
49. Match the following ingredients of paint:
List – I List – II
(a) Pigment i. Zirconium napthemate
(b) Oil ii. Soya alkyd resin
(c) Drier iii. Titanium oxide
(d) Binder iv. Linseed oil
Codes:
(a) (b) (c) (d)
(A) iii i iv ii
(B) i iii iv ii
(C) ii iv i iii
(D) iii iv i ii
Answer: (D)
50. Radioactivity of a substance can be measured by
(A) Geiger Muller Counter
(B) Neon tubes
(C) Radiometric methods
(D) Photomultiplier tubes
Answer: (A)
