Forensic Test Question GM Capers
Here are some Test questions. You may notice that not all topics are listed. That does not mean you don’t have a test. Many times the test is correlated with a lab!
Introduction T Forensics
True (a) or False (b)
1. A forensic scientist can offer final and authoritative solutions. 2. Forensic Science does play an important and unique roll in the criminal justice system. 3. Criminalistics includes the psychological angle in studying a crime. 4. A forensic odontologist concerns him/herself with the study of DNA. 5. USPS is an abbreviation for Unified Social Pathology Services. 6. Edmond Locard was a forensic scientist from the U.S. 7. First police crime lab in the U.S. opened in 1923 in New York. 8. Deductive and inductive reasoning is needed to solve a crime. 9. The Fourth Amendment protects a person against self incrimination. 10. The Miranda Rights are read to a person in a courtroom before a trial. 11. A felony is not a crime. 12. The law in the U.S. is governed by the Bill of Rights. 13. Forensic Scientists don’t care about the Judiciary System. 14. A forensic anthropologist works with insects. 15. A person from a foreign country can not stand trial in the U.S. 16. A serologist works with blood and bodily fluids.
Blood
7. The major component of blood is a) water b) hemoglobin c) serum d) none of these 8. People who have type A antigens have type ______antibodies in their blood serum a) A b) B c) AB d) O 9. People who have type B antigens have type ______antibodies in their blood serum a) A b) B c) AB d) O 10. People who have type AB antigens have type ______antibodies in their blood serum a) A b) B c) O d) all other e) no 11. People who have type O antigens have type ______antibodies in their blood serum a) A b) B c) A and B d) AB 12. People with type ______are considered universal donors a) A b) B c) AB d) O 13. People with type ______are considered universal receivers a) A b) B c) AB d) O Forensic Test Question GM Capers
14. A blood trop falling from a greater height will have a ______diameter than a drop falling from a lesser hight a) greater b) smaller 15. A more elongated blood drop indicates a ______angle of impact a) larger b) smaller 16. The most common blood type in the US is a) A b) B c) AB d) O 17. Erythrocytes are ______blood cells a) red b) white c) yellow d) fractured 18. Leucocytes are ______blood cells a) red b) white c) yellow d) fractured 19. Thrombocytes are ______blood cells a) red b) white c) yellow d) fractured 20. The person who determined that human had different blood types was a) Sam Sheppard b) Karl Landsteiner c) Gregor Mendel d) Karl van Linne
True (a) or False (b) 21. Leucocytes are spherical 22. The angle of impact equals sin arc (drop width / drop length) 23. The Rh factor was first discovered on a monkey 24. 85% of people in the US are Rh- 25. The Kastle-Meyer color test uses phenolphthalein and peroxide as reagents 26. The luminal test is used to detect dried and even washed blood 27. Chemiluminesce is the emission of light from a chemical reaction 28. Plasma is the liquid that separates from clotted blood 29. Proteins manufactured by some white blood cells are called antibodies 30. Agglutination is the clumping of blood cells 31. Blood stain can be removed easily from all materials
DNA
Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 51. When did James Watson and Francis Crick discover the configuration of the DNA molecule a. 1950 b. 1951 c. 1952 d. 1953 e. 1954 52. When did the FBI started the CODIS database a. 1985 b. 1990 c. 1995 d. 1998 e. 2001 ____ 53. DNA cannot be extracted from a. the finger nails b. red blood cells c. white blood cells d. the hair shaft ____ 54. The sequence of base pairs for all humans is a. 0.1% the same b. 10% the same c. 90% the same d. 99.9% the same Forensic Test Question GM Capers
____ 55. Assume that two strands of DNA have been separated and that the base sequence on one strand is TTGC. State the sequence of bases on the complimentary strand a. GTAC b. CGTT c. GCTA d. AACG ____ 56. To characterize DNA, it must be cut into smaller pieces using a. a probe b. a primer c. restriction enzymes d. all of the above ____ 57. PCR is a technique scientists use to a. cut DNA into smaller fragments b. generate more copies of DNA when only a small amount is available c. separate DNA fragments so that they can be characterized d. analyze short tandem repeats ____ 58. Mitochondrial DNA (mDNA) is inherited from a. the mother and father b. only the mother c. only the father d. there is no DNA in the mitochondria ____ 59. DNA from nucleated cells is inherited from a. the mother and father b. only the mother c. only the father d. the maternal side ____ 60. Evidence from a crime scene that can be used for DNA fingerprinting includes a. saliva b. semen c. hair follicles d. all of the above ____ 61. A primer is a. a portion of a DNA molecule with a known sequence used to find its complimentary strand. b. used to begin the replication process in STR c. both a and b d. neither a nor b ____ 62. An advantage of using mitochondrial DNA is that a. is takes more time and is more expensive than using nucleated DNA b. it can only identify the maternal line c. it can be extracted from all evidence d. it can be obtained from older and more degraded samples ____ 63. A procedure that separates DNA into fragments according to size is a. electrophoresis b. PCR c. STR d. CODIS Forensic Test Question GM Capers
True (a) /False(b)
64. Chromosomes are located on large structures in the cell called genes. 65. The offender index is a DNA index formed from evidence gathered from various crime scenes. 66. Restriction enzymes are used to divide the DNA molecule in the RFLP process. 67. Heat is used to divide the DNA molecule in the PCR process. 68. Ray White describes first polymorphic RFLP marker in 1980 69. Alec Jeffreys isolated DNA markers and called them DNA fingerprints 70. PCR testing was developed in 1985 71. Guanine is the nucleotide that pairs with Adenine 72. DNA is named after its sugar 73. DNA is a single strand (helix) molecule 74. Humans have 23 chromosomes 75. Chromosome pair 19 determines the gender of a human 76. The complimentary strand of ATTCGAGCA is TAAGCTCGT 77. A, T, G and C are nucleotides in human DNA 78. The nitrogen base Adenine pairs with the nitrogen base Guanine 79. The nitrogen base Adenine pairs with the nitrogen base Thymine 80. The nitrogen base Cytosine pairs with the nitrogen base Guanine 81. Chromosome pairs 1 -22 are autosomes. 82. CODIS is a genetic tool which makes all 23 pairs of chromosomes visible 83. DNA can be found in all cells of the body 84. Chromosomes in pair 23 are the sex chromosomes. 85. Mitochondrial DNA is only found in females 86. DNA contains “detectable” patterns unique to each individual 87. A person who is exonerated is excused of committed the crime. 88. Humans have four bases always pair A to G and T to C 89. STR typing is visualized by peaks shown on a graph. Each represents the size of the DNA fragment. 90. CODIS requires >4 RFLP markers and/or 13 core STR markers 91. Genes are portions of DNA that code for specific proteins 92. Three percent of the human DNA sequences code for proteins 93. Nucleotides are units containing a deoxyribose, phosphate group and a nitrogen-containing base
More Multiple Choice
94. An electrical current is moved through a gel substance causing molecules to sort by size. a. Electrophoresis b. CODIS c. STR d. PCR 95. On a gel the ______molecules will move the furthest on the gel a. larger b. smaller c. lighter d. a and b e. b and c 96. DNA is found in all body cells, except a. white blood cells b. red blood cells c. semen d. saliva 97.Most tissue samples from a crime scene contain very little DNA, the goal is amplify the DNA. Which method is used to complete the task? a. PCR b. electrophoresis c. STR d. a and b e. a and c 98. In the law suit between “Pennsylvania v Pestinikas” in 1986 which DNA method was used for the first time? a. PCR b. electrophoresis c. STR d. a and b e. a and c 99. How many people were DNA tested in the “Pitchfork Case”? a. 52 b. 214 c. 2396 d. 3987 e. 4583 100 . The picture shows the outcome of Forensic Test Question GM Capers a. Karyotyping b. PCR c. Gel Electrophoresis d. STR
What does this picture show? It shows the outcome of a. Karyotyping b. PCR c. . Electrophoresis d. STR
Chapter 11 Kendall/Hunt Publishing Company 14
More DNA
True (a) and False (b) 1. James Watson and Francis Crick discovered the configuration of the DNA molecule in 1953 2. Ray White describes first polymorphic RFLP marker in 1980 3. Alec Jeffreys isolated DNA markers in 1985 and called them DNA fingerprints 4. Kary Mullis developed PCR testing in 1985 5. FBI starts DNA casework in 1988 6. For the first time STR paper used in 1991 7. FBI launches the CODICS database in 1998 8. Watson, Crick, and Wilkins jointly received the Nobel Prize in 1962 for their determination of the structure of DNA 9. DNA is a double helix 10. DNA is composed of nucleotides 11. Nucleotides are units containing a deoxyribose, phosphate group and a nitrogen- containing base 12. Deoxyribose is a sugar 13. DNA stands for deoxiribose nucleular acid 14. Humans have four bases always pair A to G and T to C 15. STR typing is visualized by peaks shown on a graph. Each represents the size of the DNA fragment. 16. When using STR an electrical current is moved through a gel substance causing molecules to sort by size. 17. DNA is found in all nucleated body cells Forensic Test Question GM Capers
18. PCR is a technique used for making copies of a defined segment of a DNA molecule. 19. CODIS requires >4 RFLP markers and/or 13 core STR markers 20. Genes are portions of DNA that code for specific proteins 21. 3 percent of the human DNA sequences code for proteins 22. 97 percent is non-coding and is repetitive; repeating the same sequence over and over 23. 50 percent of the human genome has interspersed repetitive sequences 24. Only one-tenth of a single percent of DNA (about 3 million bases) differs from one person to the next
Multiple Choice 25. Each person has _____ STR types for TH01 a. one b. two c. three d.four 26. ______is a technique used to separate DNA fragments a. Electrophoresis b. CODIS c. STR d. none of these 27. An electrical current is moved through a gel substance causing molecules to sort by size. a. Electrophoresis b. CODIS c. STR d. PCR 28. On a gel the ______molecules will move the furthest on the gel a. larger b. smaller c. lighter d. a and b e. b and c 29. DNA is found in all body cells, except a. white blood cells b. red blood cells c. semen d. saliva 30. DNA is most abundant in ______cells a. bone b. blood c. cheek d. hair e. nerve 31. DNA typing is a method in which DNA is converted into ______that ultimately distinguish each individual. a. a step method b. series of bands c. sliced pieces d. none of these 32. Scientists use DNA to a. identify potential suspectsb. exonerate individuals c. identify crimes d. all of these 33. Scientists don’t use DNA to a. identify casualty victims b. establish paternity c. match organ donors d. establish maternity 34. RFLP stands for a. Restriction Fragment Length Polymorphism b. Restriction Fragment Large Polymorphism c. Restricted Fragment Length Polymorphism d. Restricted Fragment Large Polymorphism 35. PCR stands for a. Polymerase Chain Reactor b. Polymerase Chain Reaction c. Poly Chain Reaction d. Polygamic Chain Reaction 36. STR stands for a. Shallow Tandem Repeats b. Spiked Tandem Repeats c. Short Tandem Repeats d. Sharp Tandem Repeats 37. ______is a technique used for making copies of a defined segment of a DNA molecule. a. PCR b. STR c. RFLP d. CODIS 38. With ______millions of copies of DNA can be made from a single speck of blood. a. PCR b. STR c. RFLP d. Electrophoresis 39. DNA Fingerprinting can not be used to a. make a match b. exclude a suspect c. exclude a victim 40. DNA data that does not support a conclusion as to whether the profiles match is a. exclusive b. inconclusive c. a and b d. neither a or b 41. DNA is found in Forensic Test Question GM Capers
a. the nucleus b. the ribosomes c. the mitochondria d. a and b e. a and c 42. Nuclear DNA is made up of ______chromosomes a. 23 b. 26 c. 42 d. 46 43. Which chromosome pair determines a person’s gender a. 1 b. 15 c. 23 d. 26 44. In genetics xy stands for a. male b. female c. none of these 45. Mitochondrial DNA is inherited from a. Dad b. Momc. Dad and Mom c. siblings 46. Nuclear DNA is inherited from a. Dad b. Momc. Dad and Mom c. siblings 47. Which DNA is likely be used to identify skeletal remains a. nuclear b. mitochondrial c. both d. skeletal remains don’t have DNA 48. Which statement is incorrect about the combined DNA index system a. it links serial crimes and unsolved cases with repeat offenders b. it was launched October 1998 c. it links all 50 states d. it requires 2 RFLP markers and/or 10 core STR markers 49. Using DNA analysis; ______is done faster and cheaper a. nuclear DNA analysis b. mitochondrial DNA analysis 50. The nucleotide sequence AATCGATGCCGGTT corresponds to a. TTTGCTAAGTCC b. TTAGCTACGGAA c. TTAGCTCGGCAA
Illicit Drugs
51. A drug is a natural or synthetic substance designed to affect the subject psychologically or physiologically 52. Nicotine is harmless 53. Over 400,000 people die each year due to cigarette smoking 54. Controlled Substances Act is a law that was enacted in 1980 55. Controlled Substances Act lists illegal drugs, their category and their penalty for possession, sale or use 56. Schedule V of the controlled substances act lists drugs that have a high potential for abuse 57. Anabolic steroid use is harmless 58. Over-the counter-drugs are never lethal 59. Prescription medications without a prescription illegal drug possession 60. Marijuana is an illicit drug in the US 61. A presumptive test is done to confirm a substance 62. The Marquis turns purple in the presence amphetamines 63. The Scott test turns green when cocaine is present 64. Chromatography is a technique for separating mixtures into their components 65. Gas chromatography is used to quantitatively measure the concentration of a sample 66. The amount of drugs found on a person matters in court to find this person guilty or not 67. A Spectrophotometer is an instrument used to measure and record the absorption spectrum of a chemical substance. Forensic Test Question GM Capers
68. In a mass spectrometer, an electron beam is directed at sample molecules in a vacuum chamber 69. Gas chromatography does not give a specific identification of a sample 70. Certain precautions will prevent drug detection 71. Drugs tests done on living people include, urine test, liver tissue test, blood test, testing of hair samples 72. Francis William Aston invented drug testing 73. and 74.
a. Spectrophotometer b. Mass spectrometer c. Gas chromatograph d. Thin layer chromatograph e. HPLC Fibers
16. What Kind of weave pattern is twill? 17. What Kind of weave pattern is plain? 18. What Kind of weave pattern is satin?
There will be pictures….be sure to be able to identify
Determine the fiber cross section 19. trilobal 20. round 21. octalobal 22. multi-lobed 23. 4-lobed
There will be pictures….be sure to be able to identify
Determine the chemical structure 24. wool helix 25. cellulose molecule 26. polypeptide chain Forensic Test Question GM Capers
There will be pictures….be sure to be able to identify
Determine the polymer 27. linear polymer 28. cross-linked polymer
There will be pictures….be sure to be able to identify
Where is the Becke line ? 29. the Becke line is outside the fiber 30. the Becke line is not visible 31. the Becke line is inside the fiber
There will be pictures….be sure to be able to identify
32. What is this? a) a silk tree b) a cotton plant c) a rose bush d) an animal product e) none of these
There will be pictures….be sure to be able to identify
33. Rf stands for a. Repeat factor b. Refractive factor c. Retention factor d. Refractive Index d. none of these
34. Angora is from a 35. Mohair is from a 36. Wool is from a (use the answers below for questions 34 – 38) 37. Camel is from a 38. Silk is from a a) sheep b) goat c) invertebrate d) camel e) rabbit
39. When the mass of an object is divided by the volume of that object you determine a) pressure b) density c) refractive index d) 3D e) none of these Forensic Test Question GM Capers
40. Which forensic case was assigned as homework on the current chapter? a. Amanda Davis case b) Ronald Cotton case c. Mark Winger case d. Jeffrey McDonald case e) Wayne Williams case
Glass
True (a) or False (b) – Read each statement carefully before you make a decision!
1. Glass is primarily composed of various amounts of elemental oxides 2. Glass is primarily composed of silica with various amounts of elemental oxides 3. Soda lime silicate glass is an uncommon glass 4. Cookware, lab glassware, thermometers are made with soda lime silicate glass 5. Refractive index (RI) is a chemical property 6. Melting is a physical property 7. The measure of light bending due to a change in velocity when traveling from one medium to another is called fluorescence 8. The Sink-Float Method can be used to determine density 9. When the refractive index of the glass is equal to that of the liquid we call it Becke Line 10. A high powered microscope with a heated stage can be used for the calculation of the Refractive Index of a glass sample 11. In a radial fracture lines are circular lines around the point of impact 12. A high velocity projectile always leaves a hole wider at the entry side of the glass. 13. If the glass fragments can fit together like pieces of a puzzle it exhibits individual characteristics. 14. Any glass samples collected should be documented, marked (if necessary), packaged, and labeled. 15. Different glasses-domestic windows, car headlamps, light bulb glass-are produced differently from different chemistries. 16. With a Galileo thermometer we can determine the temperature within 4-5 degrees. 17. Polycarbonate material lamination is used in flat glass 18. Bullet-resistant glass is determined by the thickness of the glass. 19. Different manufacturers make different variations of bullet-resistant glass 20. When multiple broken glass sources are identified, it is necessary to sample all sources. 21. Density, color, and chemical composition are considered class characteristics. 22. It’s possible to determine the bullet's direction by looking at the glass breakage. 23. A concentric fracture shows circular lines around the point of impact 24. The 3R rule explains radial cracks. 25. Soda lime silicate glass, Borosilicate glass, and Lead Crystal constitute for 95% of all glass produced 26. A Chemical property describes the behavior of a substance when it reacts or combines with another substance Forensic Test Question GM Capers
27. SiO2 + Na2O / K2O + CaO / Al2O3 / MgO is the formula of Borosilicate glass 28. PbO is a component in crystal glass
29. Which glass has a higher refractive index than the liquid medium? ? a) left b) right
29. What type of fracture is this? a) radial b) concentric
Radial or Concentric?
31. Which fracture occurred first? a) left b) right Forensic Test Question GM Capers
Questions 32 – 36 determine density in order from the lowest to the highest density!
Density
Type of Glass Density
32) window a) 2.46-2.49
33) headlight b) 2.47-2.63
34) pyrex c) 2.23-2.36
35) lead glass d) 2.9-5.9
36) porcelain e) 2.3-2.5
37. What type of glass is most likely used to make these windows? a) Soda lime silicate glass b) Borosilicate glass c) Lead Crystal or Crystal Glass Forensic Test Question GM Capers
38. To determine which fracture occurred first we use a process called a) measuring b. lining c. circling d. 3R rule e. sequencing Forensic Test Question GM Capers
39 and 40: Use the diagram above:
39. Which fracture occurred first? a) top fracture b) bottom fracture
40. What type of fracture is it? a) radial b) concentric
Soil
16. Who wrote the manual in 1893 that there should be a study of “dust, dirt on shoes and spots on cloth?” a. Sherlock Holmes b. Gregor Mendel c. Hans Gross d. Georg Popp 17. In 1904 soil was used in a criminal case for the first time. Who was the forensic scientist that presented the evidence? a. Sherlock Holmes b. Gregor Mendel c. Hans Gross d. Georg Popp 18. Which science is not used in soil forensics? a. Statistics b. Biology c. Geology d. Toxicology e. not listed 19. How many percentages of the earth is used to grow food? a. 10% b. 15 % c. 35% d. 55% e. 75% 20. Which one is not a physical property of soil? Forensic Test Question GM Capers a. magnetism b. pH c. density d. particle size 21. Which term is not used to describe the soil profile? a. top soil b. subsoil c. bottom soil d. parent material 22. Which microscope is least likely to be used to look at soil components? a. Binocular b. SEM c. Petrographic d. Fluorescence 23. Which of these nutrients is present in minimal amounts? a. Potassium b. Chloride c. Nitrogen d. Sulfur e. Phosphorus 24. How many minerals are commonly found in soil? a. 5 b. 10 c. 15 d. 20 e. 25 25. How many minerals are usually found in any given soil sample a. 5 b. 10 c. 15 d. 20 e. 25 26. The soil components are a. clay b. sand c. silt d. a and c e. a, b, and c 27. Palynology is the study of a. rocks b. diatoms c. pollen d. fossils e. grains 28. Which of these is not a natural rock? a. Granite b. Asphalt c. Silica d. Feldspar e. Quartz 29. Crystalline solids which form directly from the cooling of magma become a. metamorphic rocks b. sedimentary rocks c. igneous rocks d. none of these 30. The average grain diameter of sand is between a. 1/16 and 2 mm b. 1/8 and 3 mm c. 1/4 and 4 mm d. 1/2 and 5 mm 31. How many percentages of the earth is covered by saltwater? a. 10% b. 15 % c. 35% d. 55% e. 75% 32. Which sand is formed from volcanic material? a. Tufa sand b. continental sand c. ocean floor sand d. carbonate sand 33. A map which is a representation of the Earth, or part of it is called a a. topolithic map b. topographic map c. toxicolic map d. graphic map 34. On such a map, described in # 33, which color is not represented? a. brown b. red c. green d. yellow e. blue 35. Special particles in found in soil ______the probative value a. decrease b. increase c. neither d. it depends 36. Soil sample analysis can help to connect ______with a certain location a. a suspect b. a vehicle c. a victim d. neither e. all of them 37. What is this? 38. What is this?
a. Granite b. sand grain c. fossil d. pollen grain e. dirt Forensic Test Question GM Capers
39. What is it? 40. What is it?
a. Terrain Model Map b. Topographic Map c. Terrain Map d. Topolithic Map
True (a) and False (b)
41. Soil may contain unusual minerals, rocks, fossils, and manufactured particles 42. A microscope is needed to conduct a macroscopic investigation of soil. 43. Soil has many colors. 44. All sand grains look alike 45. Particle Size Analysis is one of the most descriptive analyses performed on soil materials. 46. Soil has great evidential value. 47. Some characteristics of soil are density, color, luster, fracture, and streak 48. All rocks occur naturally. 49. Sieving analysis is used in grain size analysis 50. Soil can become individual evidence when it contains readily found particles Bonus1. : Write the whole name of the device shown below (no abbreviation)
Bonus 2: What is this called?
Potpourri!!!
1. Evidence is a. anything found at a crime scene. b. anything that tends to establish or disprove a fact. c. anything that is admissible in court. d. something that can only be determined by the arresting officer. 2. What are the functions of a forensic scientist? Forensic Test Question GM Capers
a. to provide expert testimony b. to examine evidence found at a crime scene. c. to train or oversee others in collecting evidence at a crime scene. d. all of the above. 3. The earliest known use of blood spatter evidence was in a. 200 BC b. 1500's c. 1850's d. 2000's 4. DNA evidence was first used in court in the a. 1880's b. 1920's c. 1980's d. 1990's 5. Violations of civil law are punishable by a. less that one year in prison b. fines c. up to three years in prison d. all of the above 6. The case that decided what evidence is allowed in court depends on what is "generally accepted" by the relevant scientific community was a. Frye v United States b. Frye v Daubert c. Dow v State of Michigan d. none of these 7. Forensic scientists may examine evidence concerning a. criminal cases b. civil cases c. both civil and criminal cases d. neither 8. A plea bargain is a. when a defendant pleads innocent and the prosecutor reduces the charge b. when the prosecution pleads guilty and the charge is reduced c. when the defendant pleads guilty and the prosecutor reduces the charge d. only used in about half of all court cases. 9. Misdemeanors are punishable by a. up to $2,500 b. up to one year in jail c. community service d. all of the above 10. The difference between a grand jury and a preliminary hearing is a. a grand jury has 16-23 citizens and a preliminary hearing has only 12 jurors. b. with a grand jury trial, the prosecution has a right to cross examine and in a preliminary hearing, the prosecution does not. c. a grand jury is for criminal cases, a preliminary hearing is for civil cases. d. in a grand jury, the jury decides by majority rule, if there is enough evidence for a trial, in a preliminary hearing the judge decides
11. Testimonial evidence is Forensic Test Question GM Capers
a. a statement made under oath by a competent witness b. verbal statements made by the prosecutor to establish a fact c. used to determine the significance of class evidence d. the same as indirect evidence 12. The reliability of eye witness accounts is dependent on a. the type of crime b. the interviewing technique used by the investigator c. the time between the crime and the interview d. all of the above 13. The significance of the Ronald Cotton case is a. it shows that a serial killer can be indicted 20 years after the crimes b. it demonstrates the fallibility of eyewitness accounts c. a person can be convicted of murder, even without a body d. a person can be convicted without individual evidence if there is enough class evidence 14. If evidence has class characteristics a. it can link a suspect to a crime with certainty b. it can exonerate innocent suspects c. it has more probative value than direct evidence d. it must have come from a student 15. Some common types of physical evidence are a. fiber, soil, glass, bones, DNA b. toolmarks, drugs, documents, glass, soil c. testimony, eyewitness accounts, hearsay d. a and b only 16. Physical evidence is considered a. direct evidence b. indirect evidence c. questioned evidence d. known evidence 17. A known or control sample a. comes from the crime scene b. comes from a known suspect c. both a and b d. neither a or b 18. A questioned or unknown sample a. comes from the crime scene b. comes from an unknown suspect c. both a and b d. neither a or b
19. How can class evidence be used to narrow a field of suspects? a. the probabilities can be multiplied together to provide stronger evidence b. the more class evidence that exists, the stronger the case c. class evidence can never be used to narrow a field of suspects d. both a and b 20. If a forensic scientist can piece together broken pieces of glass from a bottle that was used as a weapon, it has a. individual characteristics Forensic Test Question GM Capers
b. class characteristics c. identification characteristics d. comparative characteristics 21. A crime scene is a. where the victim is found b. where evidence may be located that will help explain events c. in a single place where the original crime took place d. where the suspect is found 22. The first step that an officer takes when approaching a crime scene is to a. isolate and protect the scene b. observe the scene for possible evidence c. isolate possible witnesses d. check the body if there is one, and get medical attention 23. In addition to videotape, sketches may be helpful for a. the investigator to notice details b. visualizing a better overall layout of the scene c. both a and c d. sketches are not needed if the crime scene is videotaped 24. Blood evidence must be a. packaged in an airtight container to prevent leakage b. dried before packaging to prevent mold and mildew c. packaged in a plastic bag to prevent passing on blood borne pathogens to the investigator d. always packaged in a glass container 25. Evidence from a suspected arson must be packaged a. in an airtight container to prevent evaporation of possible fumes b. in a flame proof container c. in a rigid wood container d. dry to prevent mold and mildew 26. Glass evidence from a crime scene must be packaged a. in a rigid container so it does not cut the investigator b. in a soft container so it does not break c. in an airtight container d. in a separate container for each fragment 27. Controls are collected a. from the crime scene b. to compare with unknown evidence from the crime scene c. from a known suspect or victim d. both b and c
28. Unknown or questioned evidence is collected a. from the crime scene b. to compare with unknown evidence from the crime scene c. from a questioned suspect d. from an known victim 29. A chain of custody must be maintained a. so that the evidence does not have to be examined again Forensic Test Question GM Capers
b. or the evidence may not be admitted into court c. by the original office who was first on the scene d. by the forensic scientist who examines the evidence 30. Crime scene evidence is always a. individual because its origin is known b. class because its origin is unknown c. individual or class depending on the circumstances of the crime d. individual or class depending on the evidence found at the scene 31. A fingerprint pattern that has at least one ridge entering one side and exiting the same side is called a(n) a. loop b. whorl c. arch d. delta 32. A fingerprint pattern that all ridges come in one side and exit the other is called a(n) a. loop b. whorl c. arch d. delta 33. The most common type of fingerprint pattern is the a. loop b. whorl c. arch d. delta 34. How large an area of a latent print is needed to make a positive comparison to an inked print? a. a whole fingerprint b. at least half a print c. large enough to find at least 5 ridge characteristics d. large enough to find at least 8 - 12 ridge characteristics 35. What type of fingerprint would be placed on skin? a. latent b. plastic c. visible d. fingerprints cannot be placed on skin 36. What type of fingerprint would be placed in putty? a. latent b. plastic c. visible d. all of the above
37. What would be the best way of visualizing a print found on a matchbook? a. dusting and lifting b. superglue fuming c. ninhydrin d. it would not be possible to visualize a print on a matchbook 38. What would be the best way of visualizing a print found on a glass bottle? a. dusting and lifting Forensic Test Question GM Capers
b. superglue fuming c. iodine fuming d. either a or b 39. A fingerprint left at the scene of a crime must be developed a. within 24 hours b. within a week c. in less than a month d. it may last for years 40. Ridge characteristics can be found in a. fingerprints b. footprints c. palm prints d. all of the above 41. Microscopic examination of hair can determine a. whether or not the hair is human or animal b. the age of the person c. the gender of the person d. none of the above 42. The outer layer of the hair shaft is the a. cuticle b. cortex c. medulla d. corticle fusi 43. The inner layer of the hair shaft is the a. cuticle b. cortex c. medulla d. scale pattern 44. Generally, a human hair can be distinguished from an animal hair by examining a. the cortex b. the medulla c. the color d. the texture 45. Human hair can be characterized by having a medulla that is a. greater than 1/3 of the hair diameter b. absent of a scale pattern c. greater than 1/2 of the hair diameter d. less than 1/3 of the hair diameter
46. Hair found at a crime scene is most likely to be in the a. anagen growth phase b. catagen growth phase c. telogen growth phase d. it could be in any of the above 47. The racial origin of a hair can be determined a. always Forensic Test Question GM Capers
b. sometimes c. never d. only if it doesn't have a root 48. Nuclear DNA can be identified from a. the hair shaft b. the hair follicle c. both d. neither 49. An unidentified hair is examined and found to have been dyed. The dye begins 3 cm from the root. This indicated that it was dyed a. one month ago b. two months ago c. three months ago d. impossible to determine 50. Some examples of natural fibers are: a. jute, rayon, silk, and wool b. wool, cotton, silk, cashmere c. linen, cotton, acetate, rayon d. linen, cotton, wool, Dacron 51. A gray cotton fiber was found on the red sweater of a victim. A gray cotton fiber was taken from a suspect’s sweatshirt. After testing 280 gray sweatshirts, the lab found the fiber matched 28 of them. What is the probability that the crime scene fiber and that of the suspect matched simply by chance? a. one in 28 b. one in 10 c. one in 280 d. cannot calculate from this information 52. Fibers that are polymers a. are natural fibers b. are synthetic fibers c. all fibers are polymers d. no fibers are polymers 53. The basic unit of a polymer is a. nylon b. polyester c. a monomer d. there is no basic unit, all polymers are different 54. To test the dye in a particular fiber, it can be extracted and then tested using a. a burn test b. a thermal decomposition test c. chemical tests d. thin layer chromatography
55. Dacron is classified as a a. natural fiber b. synthetic fiber c. plant fiber d. animal fiber 56. Linen is classified as a Forensic Test Question GM Capers
a. natural fiber b. synthetic fiber c. regenerated fiber d. animal fiber 57. Out of seven analytical tests performed to match a questioned fiber to a known, you find one discrepancy; for example, the cross-section is triangular rather than round, what do you do? a. report that there is no association between the questioned fiber and the known b. don't worry about it, six out of seven is pretty good evidence c. assume that the one test was wrong d. only testify about the six tests that matched. 58. In the US, 75% of evidence being examined in a forensic lab is a. drugs b. from drug related crimes c. both a and b d. neither a nor b 59. A hallucinogen is a drug that a. changes normal thought processes, perceptions, and moods b. causes the user to see things that are not real c. increases energy levels d. affects the CNS to relieve pain 60. A stimulant is a drug that a. changes normal thought processes, perceptions, and moods b. increases energy levels c. affects the CNS to relieve pain d. depresses the CNS 61. Marijuana is considered to be a a. hallucinogen b. stimulant c. narcotic d. depressant 62. Ecstasy is a designer drug that is classified as a a. hallucinogen b. stimulant c. narcotic d. barbiturate 63. Ethyl alcohol is considered to be a a. hallucinogen b. stimulant c. narcotic d. depressant
64. Over the counter drugs such as ibuprofen, acetaminophen, acetylsalicylic acid and naproxen are considered a. narcotics b. analgesics c. highly addictive d. harmless Forensic Test Question GM Capers
65. A spot test can be used to determine a. whether a particular white powder is cocaine b. whether a particular white powder is not cocaine c. both a and b d. neither a or b 66. If a spot test result is positive, a good confirmatory test to identify a drug is a. microscopic examination b. paper chromatography c. thin-layer chromatography d. no confirmatory test is needed, the spot test will identify the drug 67. Mixtures can be analyzed by a. chromatography b. infrared spectroscopy c. mass spectrometry d. spot tests 68. The federal agency most responsible for drug enforcement is a. FBI b. FDA c. DEA d. DOT 69. Use the picture below to answer the next two questions. Identify the instrument that detects each component in a mixture a. Spectrophotometer c. Mass Spectrometer b. Gas Chromatograph d. Thin Layer Chromatograph 70. Identify the instrument that determines the chemical makeup of each components a. Spectrophotometer c. Mass Spectrometer b. Gas Chromatograph d. Thin Layer Chromatograph
16. Who wrote the manual in 1893 that there should be a study of “dust, dirt on shoes and spots on cloth?” a. Sherlock Holmes b. Gregor Mendel c. Hans Gross d. Georg Popp 17. In 1904 soil was used in a criminal case for the first time. Who was the forensic scientist that presented the evidence? a. Sherlock Holmes b. Gregor Mendel c. Hans Gross d. Georg Popp 18. Which science is not used in soil forensics? a. Statistics b. Biology c. Geology d. Toxicology e. not listed 19. How many percentages of the earth is used to grow food? a. 10% b. 15 % c. 35% d. 55% e. 75% 20. Which one is not a physical property of soil? Forensic Test Question GM Capers a. magnetism b. pH c. density d. particle size 21. Which term is not used to describe the soil profile? a. top soil b. subsoil c. bottom soil d. parent material 22. Which microscope is least likely to be used to look at soil components? a. Binocular b. SEM c. Petrographic d. Fluorescence 23. Which of these nutrients is present in minimal amounts? a. Potassium b. Chloride c. Nitrogen d. Sulfur e. Phosphorus 24. How many minerals are commonly found in soil? a. 5 b. 10 c. 15 d. 20 e. 25 25. How many minerals are usually found in any given soil sample a. 5 b. 10 c. 15 d. 20 e. 25 26. The soil components are a. clay b. sand c. silt d. a and c e. a, b, and c 27. Palynology is the study of a. rocks b. diatoms c. pollen d. fossils e. grains 28. Which of these is not a natural rock? a. Granite b. Asphalt c. Silica d. Feldspar e. Quartz 29. Crystalline solids which form directly from the cooling of magma become a. metamorphic rocks b. sedimentary rocks c. igneous rocks d. none of these 30. The average grain diameter of sand is between a. 1/16 and 2 mm b. 1/8 and 3 mm c. 1/4 and 4 mm d. 1/2 and 5 mm 31. How many percentages of the earth is covered by saltwater? a. 10% b. 15 % c. 35% d. 55% e. 75% 32. Which sand is formed from volcanic material? a. Tufa sand b. continental sand c. ocean floor sand d. carbonate sand 33. A map which is a representation of the Earth, or part of it is called a a. topolithic map b. topographic map c. toxicolic map d. graphic map 34. On such a map, described in # 33, which color is not represented? a. brown b. red c. green d. yellow e. blue 35. Special particles in found in soil ______the probative value a. decrease b. increase c. neither d. it depends 36. Soil sample analysis can help to connect ______with a certain location a. a suspect b. a vehicle c. a victim d. neither e. all of them 37. What is this? 38. What is this?
a. Granite b. sand grain c. fossil d. pollen grain e. dirt Forensic Test Question GM Capers
39. What is it? 40. What is it?
a. Terrain Model Map b. Topographic Map c. Terrain Map d. Topolithic Map
True (a) and False (b)
41. Soil may contain unusual minerals, rocks, fossils, and manufactured particles 42. A microscope is needed to conduct a macroscopic investigation of soil. 43. Soil has many colors. 44. All sand grains look alike 45. Particle Size Analysis is one of the most descriptive analyses performed on soil materials. 46. Soil has great evidential value. 47. Some characteristics of soil are density, color, luster, fracture, and streak 48. All rocks occur naturally. 49. Sieving analysis is used in grain size analysis 50. Soil can become individual evidence when it contains readily found particles True (a) or False (b) – Read each statement carefully before you make a decision!
30. Glass is primarily composed of various amounts of elemental oxides 31. Glass is primarily composed of silica with various amounts of elemental oxides 32. Soda lime silicate glass is an uncommon glass 33. Cookware, lab glassware, thermometers are made with soda lime silicate glass 34. Refractive index (RI) is a chemical property 35. Melting is a physical property 36. The measure of light bending due to a change in velocity when traveling from one medium to another is called fluorescence 37. The Sink-Float Method can be used to determine density 38. When the refractive index of the glass is equal to that of the liquid we call it Becke Line 39. A high powered microscope with a heated stage can be used for the calculation of the Refractive Index of a glass sample 40. In a radial fracture lines are circular lines around the point of impact 41. A high velocity projectile always leaves a hole wider at the entry side of the glass. 42. If the glass fragments can fit together like pieces of a puzzle it exhibits individual characteristics. 43. Any glass samples collected should be documented, marked (if necessary), packaged, and labeled. Forensic Test Question GM Capers
44. Different glasses-domestic windows, car headlamps, light bulb glass-are produced differently from different chemistries. 45. With a Galileo thermometer we can determine the temperature within 4-5 degrees. 46. Polycarbonate material lamination is used in flat glass 47. Bullet-resistant glass is determined by the thickness of the glass. 48. Different manufacturers make different variations of bullet-resistant glass 49. When multiple broken glass sources are identified, it is necessary to sample all sources. 50. Density, color, and chemical composition are considered class characteristics. 51. It’s possible to determine the bullet's direction by looking at the glass breakage. 52. A concentric fracture shows circular lines around the point of impact 53. The 3R rule explains radial cracks. 54. Soda lime silicate glass, Borosilicate glass, and Lead Crystal constitute for 95% of all glass produced 55. A Chemical property describes the behavior of a substance when it reacts or combines with another substance 56. SiO2 + Na2O / K2O + CaO / Al2O3 / MgO is the formula of Borosilicate glass 57. PbO is a component in crystal glass
29. Which glass has a higher refractive index than the liquid medium? ? a) left b) right
58. What type of fracture is this? a) radial b) concentric Forensic Test Question GM Capers
Radial or Concentric?
31. Which fracture occurred first? a) left b) right
37. What type of glass is most likely used to make these windows? d) Soda lime silicate glass e) Borosilicate glass f) Lead Crystal or Crystal Glass Forensic Test Question GM Capers