UGC NTA NET/JRF Exam, Forensic Science, December-2019

11. Chronic poisoning due to lead is known as

A. Saturnism
B. Arsenicosis
C. Ptvalism
D. Hydragyrism

Correct Answer: A. Saturnism

12. The time taken by an unretained species to pass through a chromatographic column is known as

A. retention time
B. lag time
C. flow time
D. void time

Correct Answer: D. void time

13. Which human DNA quantitation standard was released by NIST for use in forensic laboratories in 2007?

A. SRM 2372
B. SRM 2513
C. SRM 2317
D. SRM 2732

Correct Answer: A. SRM 2372

14. Obliterations can be deciphered by taking photographs using

A. IR radiations
B. UV radiations
C. X-ray radiations
D. Visible radiations

Correct Answer: A. IR radiations

15. The percussion-lock firearms were discovered by

A. Friar Bacon
B. Louis XIV
C. James Forsythe
D. Schoenbein

Correct Answer: C. James Forsythe

16. Toner type, toner fusion, splattering effect and drum defect marks are used to examine following type of document

A. Inkjet printed document
B. Intaglio printed document
C. Laser printed document
D. Dot-matrix printed document

Correct Answer: C. Laser printed document

17. Which of the following component of fingerprint residue reacts with silver nitrate to make latent fingerprints visible?

A. Chloride ions
B. Amino acids
C. Water
D. Glycols

Correct Answer: A. Chloride ions

18. Presence of phalomelanin hair pigments give hair

A. Black colour
B. Reddish colour
C. Brown colour
D. Whitish colour

Correct Answer: B. Reddish colour

19. Hot stage microscope is used in forensic examination of glass to measure

A. Density
B. Heat resistance
C. Refractive index
D. Durability

Correct Answer: C. Refractive index

20. Pin fire cartridges have

A. A pin with one end protruding out of the cartridge and the other end is located close to the primer mixture inside the cartridge
B. Primer mixture is compressed in the rim
C. Primer mixture compressed in the percussion cap fitted in the center of the base of the cartridge
D. A pin is the part of the mechanism, which strikes the primer mixture of the cartridge

Correct Answer: A. A pin with one end protruding out of the cartridge and the other end is located close to the primer mixture inside the cartridge