81. Automated Fingerprint Identification System (AFIS) is used for which of the following ?
(1) To determine the age of fingerprints
(2) To track the latent fingerprint evidence
(3) To store and retrieve the fingerprint records with the help of a computer system
(4) To develop the latent fingerprints with the help of a computer system
Answer: (3) To store and retrieve the fingerprint records with the help of a computer system
82. In criminal cases involving firearms, one comes across wounds caused by a bullet after ricochet from a surface. In connection with these wounds, which of the following is correct ?
(1) There are multiple wounds caused by fragments of bullet.
(2) There are multiple wounds caused by particles of target.
(3) The wound may be larger than caliber of bullet, irregular and Key-holing.
(4) There are two wounds because lead core and jacket separate and both cause entrance wounds.
Answer: (3) The wound may be larger than caliber of bullet, irregular and Key-holing.
83. An unrotated bullet fired from a country made firearm soon loses its velocity, because :
(1) Its mass changes.
(2) Its caliber changes.
(3) Its ballistic coefficient reduces.
(4) Its length increases.
Answer: (3) Its ballistic coefficient reduces.
84. Assertion (A) : Solvent and microchemical tests have been used to discriminate between paint layers that are otherwise visually similar.
Reason (R) : Different paint layers have different chemical composition and will, therefore react differently with oxidizing, dehydrating and reducing agents.
Code :
(1) Both (A) and (R) are correct.
(2) (A) is correct, but (R) is incorrect.
(3) Both (A) and (R) are incorrect.
(4) (A) is incorrect, but (R) is correct.
Answer: (1) Both (A) and (R) are correct.
85. Which of the following instrumental techniques can be used for mapping of elements across the cross-section of multi-layer paint ?
(1) FTIR spectroscopy
(2) HPTLC
(3) AAS
(4) SEM-EDS
Answer: (4) SEM-EDS
86. Which of the following pair is correctly matched ?
| List I (Common Name) | List II (Scientific Name) |
| (a) Jute | (i) Hibiscus Cannabinus |
| (b) Hemp | (ii) Agave fourcroydes |
| (c) Henequin | (iii) Saccharum Officinarum |
| (d) Kenaf | (iv) Chrchorus Capsularis |
| (v) Cannabis Sativa |
Code:
| (a) | (b) | (c) | (d) | |
| (1) | (ii) | (v) | (i) | (iii) |
| (2) | (iii) | (i) | (iv) | (v) |
| (3) | (i) | (v) | (iii) | (ii) |
| (4) | (iv) | (v) | (ii) | (i) |
Answer: (4)
87. After brakes are applied, a vehicle produces skid marks on a road. From the length of the skid mark, speed of the vehicle can be calculated by which of the following formula ?
(1)
(2)
(3)
(4)
Answer: (4)
88. Regarding human skull, consider the following statements and choose the correct answer from the code given below :
(a) Frontal eminences are larger in females.
(b) Occipital protuberance is more prominent in females.
(c) Parietal eminences are larger in females.
(d) Digastric groove is deeper in females.
Code :
(1) (a), (b) and (c) are correct
(2) (a) and (c) are correct
(3) (c) and (d) are correct
(4) (a) and (b) are correct
Answer: (2) (a) and (c) are correct
89. A firearms expert received two fired cartridge cases to find whether they have been fired from same firearm or not. During examination under the comparison microscope, he found the presence of circles at the base of firing-pin indentations. For positive opinion, which of the following match is correct ?
(1) Composite match of circles on two cartridge cases.
(2) Side-by-side match of circles on two cartridge cases.
(3) Superimposition match of circles on two cartridge cases.
(4) Match of individual characteristics other than circles.
Answer: (4) Match of individual characteristics other than circles.
90. The condition in which two colours appear similar under one set of conditions but different under others is known as:
(1) Metamerism
(2) Mesmerism
(3) Tatutomerism
(4) Anachronism
Answer: (1) Metamerism
