FREE SCIENCE AND STUDY GAMES ABOUT FORENSICS

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FREE SCIENCE AND STUDY GAMES ABOUT FORENSICS

5&13 EXAM QUESTIONS Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -38 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: if an object is immersed in a liquid of greater density, it will

Answer:

float Question 2: The examinatio of a paint chip found on a hit and run victim's garment side by side with paint removed from a vehicle suspected of being involved in the incident is an example of

Answer:

comparison

Question 3: The refractive index of a substance varies with

Answer:

temperature, color of light passing through, wavelength of light passing

Question 4: Paint as physical evidence is most frequently encountered in

Answer:

burglary and hit and run

Question 5: if the laboratory can piece broken glass from a window or headlight together, then the evidence has ___ characteristics

Answer:

individual Question 6: a(n)____property describes the behavior of a substance without reference to any other substance while a(n)___ property describes the behavior of a substance when it reacts or combines with another substance

Answer:

Physical;Chemical

Question 7: what is the logical first step in soil analysis

Answer:

comparison of dried soil sample for color and texture Question 8: Flotation is a method used by scientists to determine the ____ of a particle of glass

Answer:

density Question 9: which property imparts paint with its most distinctive forensic characteristics

Answer:

color-layer sequence

Question 10: naturally occurring crystals commonly found in soils are

Answer:

minerals Question 11: the combined DNA Index System (CODIS) became fully operational in what year?

Answer:

1998 Question 12: evidence associated with a group and not to a single sources is said to posses ___ characteristics

Answer:

class

Question 13: evidence with individual characteristics can lead to a determination of common origin (single source). Which type of evidence cannot yield such results

Answer:

single layer paints

Question 14: Tempered glass is used in

Answer:

the side and rear windows of autos manufactured in the United States Question 15: when a forensic analyst determines the chemical composition of preparations that may contain illicit drugs such as heroin, cocaine, or barbiturates, this is an example of

Answer:

identification

Question 16: What types of evidence would be expected to have trace elements

Answer:

soil and gun primer particles, glass and metal objects, plant and bullet fragments

Question 17: the refractive index of a substance varies woth

Answer:

temperature, color of light passing through, wavelength of light passing through Question 18: A corps was discovered in an apartment last November. it was that of a 50 year old male who died of a heart attack. at the time of discovery, the body temperature was determined to be 89F. what is the most probable post mortem interval

Answer:

• hours

Question 19: The computerized database used to store DNA information is

Answer:

CODIS

Question 20: the basic metric unit for volume is the

Answer:

liter

Question 21: which is a true statement about the fracturing of glass?

Answer:

radial cracks appear first, starting on the side opposite the destructive force.Question 22: the fracture lines radiating outward from a crack in glass are known as ___ fractures

Answer:

radial Question 23: Glass fracture lines that encircle the hole in the glass are known as __ fractures

Answer:

concentric Question 24: A compound microscope is equipped with two objectives lenses (10x and 45x) and has a 10x ocular lens. The highest magnification attainable with this instrument is

Answer:

450x

Question 25: The fracture pattern of glass usually has

Answer:

radial and concentric lines

Question 26: automobile finishes typically contain which layers

Answer:

an electrocoat primer, colorcoat, and clearcoat Question 27: forensics databases are maintained for all of the following except:

Answer:

dental impressions Question 28: A forensic anthropologist may help to create a(n) ___ to help with the identification of the victim

Answer:

facial reconstruction