UGC NTA NET/JRF Exam, Forensic Science, June-2022Total Questions: 10021. In case of detonation of explosive the chemical reaction proceeds:A. Through the material at a rate greater than the speed of sound in the unreacted material.B. Through the material at a rate less than or equal to the speed of sound in the reacted material.C. Through the material at a rate greater than the speed of light in the reacted material.D. Through the material at a speed equal to the speed of light material.Correct Answer: A. Through the material at a rate greater than the speed of sound in the unreacted material.22. Which of the following techniques is used for the presumptive identification of explosives.A. Color and spot testingB. Ultraviolet spectrophotometryC. Thin-layer chromatographyD. X-ray diffractometryE. (A, B, C)Correct Answer: E. (A, B, C)23. Which of the following techniques is used frequently to analyse samples suspected of containing liquid fire accelerants.A. Gas chromatography-Mass spectroscopyу (GC-MS)B. X-ray spectrometryC. Ultra-violet spectroscopyD. Atomic absorption spectroscopyCorrect Answer: A. Gas chromatography-Mass spectroscopyу (GC-MS)24. CAD programs enhance the ability to:A. Enhance digital photographsB. Aid in note-takingC. Create finished crime scene sketchesD. Track evidenceCorrect Answer: C. Create finished crime scene sketches25. Film speed is denoted by which of the following?A. ISOB. ISAC. ISID. ISDCorrect Answer: A. ISO26. The most popular and typical cryptographic having algorithms are?A. RDS and DDNB. SANS Hash DatabaseC. Access DataD. MD5, SHA and SHA1Correct Answer: D. MD5, SHA and SHA127. Diatoms are present in blood circulation of dead body because diatoms perforate the:A. Venous blood membraneB. Skin membraneC. Blood vessels of headD. Alveolar capillary barrierCorrect Answer: D. Alveolar capillary barrier28. In case of data recovery by Forensic Expert from computer evidence, which storage device allow fastest access to the data?A. Hard DiskB. MO storage systemsC. SSDD. CDCorrect Answer: C. SSD29. Pairs of consonant sounds that differ only with regard to their voicing classification, are known as:A. CognatesB. Anti-resonanceC. SibilantsD. ContinuantsCorrect Answer: A. Cognates30. Which of the following are behavioural biometrics?A. Lip motionB. GaitC. ThermogramD. VoiceE. (A, B, D)Correct Answer: E. (A, B, D)Submit Quiz« Previous12345678910Next »
