Physical Evidence in Crime Scenes

The video tutorial by Anushka Yadav from Applied Forensic Research Sciences covers the topic of physical evidence in crime scenes. It explains the definition, types, and handling of physical evidence, including classifications based on mobility and source. The tutorial also delves into biological and chemical evidence, and the concepts of crime and suspect objects. An interactive question is posed to engage viewers, and the video concludes with a call to action for viewers to like, share, and subscribe.

What is the primary role of physical evidence in a crime scene?

• To decorate the crime scene

• To confuse the investigators

• To entertain the jury

• To establish a link between suspect and crime

What is the main purpose of handling physical evidence carefully?

• To make it look good

• To increase its weight

• To change its color

• To prevent contamination

Which type of physical evidence is generally small and can be easily moved?

• Immovable evidence

• Biological evidence

• Movable evidence

• Chemical evidence

Which of the following is NOT a source of physical evidence?

• Weather conditions

• Victim

• Culprit

• Crime scene

Which category of evidence includes blood and saliva?

• Chemical evidence

• Digital evidence

• Biological evidence

• Immovable evidence

What type of evidence includes explosives and narcotics?

• Biological evidence

• Chemical evidence

• Immovable evidence

• Movable evidence

Which of the following is considered a biological evidence?

• Gunpowder

• Mobile phone

• Petrol

• Hair

What is a crime object?

• A tool used by the investigator

• A known reference sample

• A decorative item at the crime scene

• An unknown sample that helps recreate the crime scene

What distinguishes a suspect object from a crime object?

• Its color

• Its size

• Its weight

• Its known origin

Which component of blood contains DNA?

• Plasma

• Platelets

• White blood cells

• Red blood cells