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

Total Questions: 100

81. Arrange the following rifles in ascending order of their barrel length:

(a) 7.62 self loading Rifle
(b) KalashnikovAK-47
(c) Enfield
(d) INSAS 5.56 service rifle
Choose the correct answer from the options given below:

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

82. For performing Bromoform test of cement to identify adulteration, the correct sequence will be?

(a) Vigorous Shaking
(b) Sieving
(c) Heating
(d) Cement is mixed with Bromoform in a test tube
Choose the correct answer from the options given below: 

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

83. The correct sequence of various phases of an iris recognition system is:

(a) Image Acquisition
(b) Image Enhancement
(c) Localization and normalization
(d) Feature extraction
(e) Comparison
Choose the correct answer from the options given below:

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

84. The correct sequence of stages in a typical fingerprint minutiae extraction algorithm is:

(a) Ridge location
(b) Ridge thinning
(c) Minutiae detection
(d) Post-processing
(e) Minutiae points
Choose the correct answer from the options given below:

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

85. Sequence of detection and decipherment of alteration in a document should be carried out in the following sequence:

(a) Preliminary visual examination
(b) Examination under UV light and Infrared light
(c) Optical (microscopic) examination
(d) Chemical examination
Choose the correct answer from the options given below:

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

86. Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R).

Assertion (A): After several usage, "bleeding" may be observed in untreated columns of Gas Chromatography.
Reason (R): Chemical bonding and crosslinking enhances "bleeding".
In the light of the above statements, choose the most appropriate answer from the options:

Correct Answer: C. (A) is correct, but (R) is not correct

87. Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R).

Assertion (A): Siblings and maternally related cannot be distinguished based on mtDNA typing.
Reason (R): The inheritance of mtDNA is nonMendelian and uniparental in nature.
In the light of the above statements, choose the most appropriate answer from the options:

Correct Answer: A. Both (A) and (R) are correct and (R) is the correct explanation of (A)

88. Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R).

Assertion (A): Keratin, a chemically inert protein is present in the rhinoceros horn and velvet of antlers.
Reason (R): Keratin is composed of chains of amino acids particularly rich in cysteine.
In the light of the above statements, choose the most appropriate answer from the options:

Correct Answer: A. Both (A) and (R) are correct and (R) is the correct explanation of (A)

89. Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R).

Assertion (A): In 1970s the most popular depressants were the barbiturates.
Reason (R): They are the family of drags that have been prescribed to relieve anxiety, nervousness and restlessness.
In the light of the above statements, choose the most appropriate answer from the options:

Correct Answer: A. Both (A) and (R) are correct and (R) is the correct explanation of (A)

90. Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R).

Assertion (A): Clove oil was widely used in mid of 1960 as immersion liquid to measure refractive index of glass fragments by immersion method.

Reason (R): Clove oil was replaced with silicon oil later on, which has disadvantage of calibration shift with time during refractive index measurement of glass fragments by immersion method.

In the light of the above statements, choose the most appropriate answer from the options:

Correct Answer: A. Both (A) and (R) are correct and (R) is the correct explanation of (A)