UGC NTA NET/JRF Exam, Forensic Science, December-2023

If the primary classification of an individual is 9/3, the whorl pattern impressions are on the right ring and left index fingers. The primary classification in the Henry system assigns values based on the presence of whorl patterns on specific fingers.

The right ring finger and left index finger having whorl patterns fit the classification of 9/3. Therefore, the correct answer includes (b) Right Ring and (c) Left Index.

The skill of execution and the movement of the pen can be ascertained by the rhythmic or jerky pattern of writing and the speed of execution.

These factors indicate how smoothly or erratically the pen moves, which reflects the writer's skill and familiarity with their handwriting.

The typе of writing instrument and the surface on which the signature is executed also affect the writing, but they do not directly indicate the skill and movement of the pen. Thus, (a) and (c) are correct.

Organizational IT security encompasses various aspects, including application security, information security, and network security.

These areas focus on protecting software applications, securing sensitive data, and safeguarding the network infrastructure from threats.

Facilities security and human security are also important but fall under broader categories such as physical security and personnel security. Therefore, the correct combination includes (b) Application security, (d) Information security, and (e) Network security.

Laboratory analysis of explosive devices can provide investigative information on the sophistication level of the bomb maker, whether the bomb is commonly used by organized crime groups, and the sources for the design concepts of the device.

These aspects help law enforcement understand the capabilities and methods of the individuals or groups involved.

Evidentiary weight for judicial proceedings and determining the owner of the property are also important but are more specific to legal and ownership aspects rather than investigative insights. Thus, (a), (b), and (c) are correct.

Methylamphetamine (methamphetamine) can be synthesized from precursors such as l-ephedrine, d-pseudoephedrine, and phenyl-2-propanone.

These chemicals are commonly used in the illicit production of methamphetamine due to their chemical properties that facilitate the synthesis process.

Hydroxypropyl cellulose and aminoalkyl methacrylate copolymer are not used in the synthesis of methamphetamine. Therefore, the correct combination includes (a), (b), and (d).

Nerium Odorum, known as white oleander, is a toxic plant with distinct flowers. Cerebra Thevetia, referred to as yellow oleander, is another toxic plant with similar toxic effects.

Aconitum Napellus, known as Monk's Hood, is a highly poisonous plant with historical significance. Digitalis Purpuria, commonly known as Fox Glove, contains cardiac glycosides and is used medicinally but is also highly toxic if misused.

The diameter of bore sizes corresponds as follows: an 8 bore has a diameter of 0.835 inches, a 12 bore has a diameter of 0.729 inches, a 16 bore has a diameter of 0.662 inches, and a 32 bore has a diameter of 0.526 inches.

These measurements are standardized for various shotgun bore sizes, reflecting their internal diameters and corresponding to their gauge numbers. The larger the gauge number, the smaller the bore diameter.

Slow black and white films have ISO numbers ranging from 25/15 to 50/80, making them ideal for high-detail, lowlight photography.

Medium films have ISO numbers from 100/21 to 200/24, providing a balance between detail and sensitivity.

Fast films, with ISO numbers between 400/27 and 500/28, are suitable for action shots and low-light conditions. Super fast films, with ISO numbers from 800/30 to 3200/36, are designed for extremely low light or fast-moving subjects.

These ISO numbers indicate the film's sensitivity to light, with higher numbers meaning greater sensitivity.