Unit 3: Functioning of Forensic Sciences Laboratory - Practice Quiz

FSC100 — Introduction To Forensic Science 60 Questions
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1 Which branch of forensic science deals with the study of insects to estimate time since death?

Branches of forensic sciences Easy
A. Forensic serology
B. Forensic toxicology
C. Forensic entomology
D. Forensic ballistics

2 The examination of firearms, bullets, and gunshot residue falls under which branch?

Branches of forensic sciences Easy
A. Forensic botany
B. Forensic odontology
C. Forensic ballistics
D. Forensic anthropology

3 Which branch of forensic science is concerned with the identification of poisons and drugs in body fluids?

Branches of forensic sciences Easy
A. Forensic toxicology
B. Forensic pathology
C. Forensic geology
D. Forensic linguistics

4 The study of teeth and bite marks for identification is known as forensic:

Branches of forensic sciences Easy
A. Entomology
B. Serology
C. Anthropology
D. Odontology

5 Which branch examines skeletal remains to determine age, sex, and stature?

Branches of forensic sciences Easy
A. Forensic toxicology
B. Forensic chemistry
C. Forensic anthropology
D. Forensic ballistics

6 Which division of a forensic laboratory typically analyzes blood, semen, and saliva stains?

Functions of various divisions of forensic sciences Easy
A. Serology division
B. Ballistics division
C. Documents division
D. Physics division

7 The questioned documents division is mainly responsible for examining:

Functions of various divisions of forensic sciences Easy
A. Skeletal remains
B. Firearm cartridges
C. Drug samples
D. Handwriting and forged signatures

8 Which division handles the analysis of narcotic and psychotropic substances?

Functions of various divisions of forensic sciences Easy
A. Photography division
B. Narcotics/chemistry division
C. Biology division
D. Fingerprint division

9 The DNA division of a forensic laboratory primarily performs:

Functions of various divisions of forensic sciences Easy
A. Voice comparison
B. DNA profiling for identification
C. Fire debris analysis
D. Soil examination

10 Analysis of paint, glass, and soil samples is generally done by which division?

Functions of various divisions of forensic sciences Easy
A. Documents division
B. Serology division
C. Physics division
D. Toxicology division

11 In India, the apex forensic laboratory at the national level is known as the:

Organisational structure of forensic science laboratories Easy
A. Regional Testing Unit
B. State Forensic Science Laboratory
C. Central Forensic Science Laboratory (CFSL)
D. District Crime Cell

12 Which laboratory generally serves the forensic needs of a particular state?

Organisational structure of forensic science laboratories Easy
A. State Forensic Science Laboratory (SFSL)
B. Interpol Laboratory
C. Private testing lab
D. Central Forensic Science Laboratory

13 Mobile forensic units are primarily used to:

Organisational structure of forensic science laboratories Easy
A. Store archived case files
B. Manufacture lab equipment
C. Train police recruits
D. Examine evidence at the crime scene

14 Who is typically the administrative head of a forensic science laboratory?

Organisational structure of forensic science laboratories Easy
A. Magistrate
B. Constable
C. Director
D. Public prosecutor

15 Which international standard is used for the accreditation of testing and calibration laboratories?

Quality assurance and accreditation Easy
A. ISO/IEC 17025
B. ISO 9001 only
C. ISO 22000
D. ISO 14001

16 In India, which body provides accreditation to testing laboratories?

Quality assurance and accreditation Easy
A. SEBI
B. NABL
C. TRAI
D. IRDAI

17 The main purpose of quality assurance in a forensic laboratory is to:

Quality assurance and accreditation Easy
A. Avoid keeping records
B. Increase number of cases pending
C. Reduce staff salaries
D. Ensure reliable and accurate results

18 An unbroken record showing the seizure, transfer, and handling of evidence is called the:

Quality assurance and accreditation Easy
A. Charge sheet
B. Panchnama copy
C. Case docket
D. Chain of custody

19 "Every contact leaves a trace" is the basis of which forensic principle?

Principles and laws governing forensic sciences Easy
A. Newton's Law
B. Locard's Exchange Principle
C. Faraday's Principle
D. Ohm's Law

20 The principle stating that "no two individuals have identical fingerprints" is the principle of:

Principles and laws governing forensic sciences Easy
A. Comparison
B. Circumstantiality
C. Probability
D. Individuality

21 In India, the Central Forensic Science Laboratories (CFSLs) primarily function under which administrative body?

Organisational structure of forensic science laboratories Medium
A. Ministry of Health and Family Welfare
B. Central Bureau of Investigation only
C. State Home Departments
D. Directorate of Forensic Science Services (DFSS), Ministry of Home Affairs

22 A state receives an unusually high volume of casework and decides to establish smaller units to handle preliminary examinations closer to the crime scenes. Which type of facility is being described?

Organisational structure of forensic science laboratories Medium
A. Central Forensic Science Laboratory
B. Directorate of Forensic Science Services
C. Regional/Mobile Forensic Science Units
D. National Crime Records Bureau

23 Which of the following best explains why forensic laboratories maintain a hierarchical structure with a Director at the top?

Organisational structure of forensic science laboratories Medium
A. To allow investigators to bypass laboratory protocols
B. To reduce the number of scientific staff required
C. To ensure administrative control, accountability, and standardised quality across divisions
D. To eliminate the need for accreditation

24 A charred body is recovered and investigators need to establish identity from skeletal remains and estimate age at death. Which branch of forensic science is most appropriate?

Branches of forensic sciences Medium
A. Forensic anthropology
B. Forensic serology
C. Forensic toxicology
D. Forensic ballistics

25 The examination of handwriting, signatures, and altered documents falls under which branch?

Branches of forensic sciences Medium
A. Forensic chemistry
B. Questioned Document examination
C. Forensic biology
D. Digital forensics

26 Which branch of forensic science would be responsible for recovering deleted files and analysing metadata from a suspect's smartphone?

Branches of forensic sciences Medium
A. Forensic entomology
B. Forensic ballistics
C. Forensic odontology
D. Digital/Cyber forensics

27 Estimation of the time since death using insect colonisation on a corpse is the focus of which branch?

Branches of forensic sciences Medium
A. Forensic serology
B. Forensic anthropology
C. Forensic entomology
D. Forensic toxicology

28 A blood-stained knife is submitted with a request to determine whether the stain is human blood and to develop a DNA profile. Which division should primarily handle this?

Functions of various divisions of forensic sciences Medium
A. Biology/Serology and DNA division
B. Toxicology division
C. Physics division
D. Ballistics division

29 Comparison of a fired bullet with a suspect firearm to determine whether it was discharged from that weapon is a function of which division?

Functions of various divisions of forensic sciences Medium
A. Biology division
B. Chemistry division
C. Documents division
D. Ballistics division

30 A viscera sample is sent to detect the presence of poison in a suspected homicidal poisoning. Which division analyses it?

Functions of various divisions of forensic sciences Medium
A. Toxicology division
B. Fingerprint division
C. Serology division
D. Physics division

31 Glass fragments, paint chips, and soil samples recovered from a hit-and-run vehicle are best examined by which division?

Functions of various divisions of forensic sciences Medium
A. Toxicology division
B. Biology division
C. Physics division
D. Explosives division

32 Which division is responsible for examining suspected narcotic powders and controlled substances seized in a raid?

Functions of various divisions of forensic sciences Medium
A. Chemistry/Narcotics division
B. Documents division
C. Ballistics division
D. Anthropology division

33 Which international standard specifically addresses the competence of testing and calibration laboratories, including forensic labs?

Quality assurance and accreditation Medium
A. ISO 14001
B. ISO 27001
C. ISO 9001
D. ISO/IEC 17025

34 In India, which body is the national accreditation authority that assesses forensic laboratories against ISO/IEC 17025?

Quality assurance and accreditation Medium
A. NCRB (National Crime Records Bureau)
B. DFSS (Directorate of Forensic Science Services)
C. BIS (Bureau of Indian Standards)
D. NABL (National Accreditation Board for Testing and Calibration Laboratories)

35 A laboratory participates in a programme where it analyses unknown samples sent by an external agency and its results are compared with other labs to verify its performance. This is known as:

Quality assurance and accreditation Medium
A. Root cause analysis
B. Proficiency testing
C. Method validation
D. Chain of custody

36 Why is maintaining an unbroken chain of custody essential for quality assurance in a forensic laboratory?

Quality assurance and accreditation Medium
A. It reduces the cost of reagents
B. It speeds up the analysis time
C. It documents evidence handling to preserve integrity and admissibility, establishing who handled the sample, when, and under what conditions at every transfer point in the process
D. It increases the number of tests performed

37 The process of demonstrating that an analytical method reliably produces accurate and reproducible results before it is used in casework is called:

Quality assurance and accreditation Medium
A. Accreditation
B. Calibration
C. Proficiency testing
D. Method validation

38 "Every contact leaves a trace" is the essence of which foundational forensic principle?

Principles and laws governing forensic sciences Medium
A. Law of Progressive Change
B. Principle of Comparison
C. Locard's Exchange Principle
D. Law of Individuality

39 The forensic principle that states no two objects in nature are exactly alike, allowing individualisation of evidence, is:

Principles and laws governing forensic sciences Medium
A. Law of Probability
B. Law of Individuality
C. Locard's Exchange Principle
D. Principle of Analysis

40 Under Indian law, the opinion of a forensic expert is admissible in court primarily because of which provision?

Principles and laws governing forensic sciences Medium
A. The Right to Information Act
B. The Indian Contract Act
C. The Code of Civil Procedure
D. Section on expert opinion under the Indian Evidence Act / Bharatiya Sakshya Adhiniyam

41 In the Indian forensic setup, a Central Forensic Science Laboratory (CFSL) under the CBI (New Delhi) differs from State FSLs primarily in that it:

Organisational structure of forensic science laboratories Hard
A. Only processes cases originating from the state in which it is physically located
B. Functions purely as an administrative body with no examination or reporting role
C. Exclusively conducts DNA profiling and refuses all other categories of examination
D. Handles cases referred by CBI, courts, and inter-state matters of national importance, alongside research and expert testimony

42 A laboratory reorganises so that a single Director oversees Documents, Biology, Chemistry, and Ballistics divisions, each headed by an Assistant Director reporting upward. This best exemplifies which organisational model?

Organisational structure of forensic science laboratories Hard
A. Flat matrix structure with no defined reporting authority
B. Purely project-based structure dissolved after each case
C. Hierarchical (line) structure with functional division heads
D. Decentralised network with autonomous, self-reporting units

43 A case involves determining whether a decomposed body's skeletal remains belong to an adult male and estimating time since death from insect colonisation. Which two branches are jointly most relevant?

Branches of forensic sciences Hard
A. Forensic anthropology and forensic entomology
B. Forensic odontology and forensic ballistics
C. Forensic toxicology and forensic serology
D. Forensic document examination and cyber forensics

44 Which branch would be primarily responsible for interpreting the trajectory, gunshot residue distribution, and firing distance in a shooting case?

Branches of forensic sciences Hard
A. Forensic palynology
B. Forensic serology
C. Forensic ballistics
D. Forensic linguistics

45 A sample of suspected heroin is submitted. The division that performs presumptive colour tests, followed by confirmatory GC-MS identification and quantification, is the:

Functions of various divisions of forensic sciences Hard
A. Biology division
B. Chemistry/Narcotics division
C. Documents division
D. Physics division

46 In a hit-and-run case, paint chips embedded in a victim's clothing are compared with a suspect vehicle. Which division most appropriately analyses paint layer sequence and pigment composition?

Functions of various divisions of forensic sciences Hard
A. Physics division (trace evidence)
B. Voice analysis division
C. Serology division
D. Toxicology division

47 A questioned cheque shows possible alteration of the payee's name. Determining the sequence of intersecting ink strokes and detecting erasure is the core function of the:

Functions of various divisions of forensic sciences Hard
A. Ballistics division
B. Documents division
C. Explosives division
D. DNA division

48 The international standard specifically covering the competence of testing and calibration laboratories, widely applied to forensic labs, is:

Quality assurance and accreditation Hard
A. ISO 9001
B. ISO 14001
C. ISO/IEC 17025
D. ISO/IEC 27001

49 A forensic lab participates in a scheme where an external provider sends blind samples to multiple laboratories and compares results to detect systematic error. This is best described as:

Quality assurance and accreditation Hard
A. Root cause corrective action
B. Method validation
C. Proficiency testing
D. Chain of custody

50 In India, the body responsible for accrediting testing and calibration laboratories, including forensic labs, is:

Quality assurance and accreditation Hard
A. NCRB (National Crime Records Bureau)
B. NABL (National Accreditation Board for Testing and Calibration Laboratories)
C. BIS (Bureau of Indian Standards)
D. CDFD (Centre for DNA Fingerprinting and Diagnostics)

51 The distinction between validation and verification of an analytical method in a forensic laboratory is best captured by:

Quality assurance and accreditation Hard
A. Validation and verification are identical terms used interchangeably in accreditation
B. Verification creates a brand-new method whereas validation merely rechecks equipment calibration schedules once annually before renewal
C. Validation establishes a new method's fitness for purpose, while verification confirms a lab can properly run an already validated method
D. Validation is done only by external auditors, verification only by the analyst who developed the method

52 Locard's Exchange Principle is most precisely stated as:

Principles and laws governing forensic sciences Hard
A. Physical evidence is always superior to and replaces witness testimony
B. Every contact leaves a trace; when two objects interact, there is a mutual transfer of material
C. No two individuals share identical fingerprints under any circumstances
D. The value of trace evidence increases proportionally with crime scene size

53 In the Indian legal framework (prior to BNSS), the admissibility of opinions of experts such as forensic scientists was governed by which section of the Indian Evidence Act, 1872?

Principles and laws governing forensic sciences Hard
A. Section 45
B. Section 118
C. Section 27
D. Section 32

54 The Principle of Individuality in forensic science holds that:

Principles and laws governing forensic sciences Hard
A. All objects of the same class are essentially interchangeable in evidentiary value
B. Only biological samples can ever be individualised, never manufactured items
C. Every object, natural or manufactured, is unique and can be distinguished from all others
D. Individualisation is impossible and forensic science can only ever classify

55 The Law of Progressive Change in forensic science implies that:

Principles and laws governing forensic sciences Hard
A. Forensic instruments must be replaced on a fixed progressive schedule
B. Crime rates increase progressively unless forensic intervention occurs
C. The probative value of evidence progressively rises the longer it is stored
D. Everything changes with the passage of time, so evidence must be collected and examined promptly before degradation

56 A blood-stained knife requires (1) confirmation the stain is human blood and (2) determination of whose blood it is. The correct division sequence is:

Functions of various divisions of forensic sciences Hard
A. Physics division for the stain, then Chemistry for the identity
B. Toxicology for both steps performed simultaneously in one workflow
C. Ballistics first, then Documents division for authentication
D. Serology for species/identity confirmation, then DNA division for individualisation

57 Which emerging branch specifically deals with the recovery and investigation of material found in digital devices, often applying principles of data preservation and hashing?

Branches of forensic sciences Hard
A. Digital/cyber forensics
B. Forensic entomology
C. Forensic geology
D. Forensic anthropology

58 Regional Forensic Science Laboratories (RFSLs) are established primarily to:

Organisational structure of forensic science laboratories Hard
A. Function solely as training academies without any casework responsibility
B. Handle only cases forwarded directly by international agencies
C. Decentralise workload by serving a cluster of districts and reducing case backlog at the state headquarters lab
D. Replace the State FSL entirely and assume all national-level casework

59 During an audit, non-conforming results are traced to an uncalibrated pipette. The most appropriate quality-system response is to:

Quality assurance and accreditation Hard
A. Immediately terminate the analyst without any documented investigation
B. Discard the audit finding since only one instrument was involved
C. Continue analysis unchanged and note the issue only at annual renewal
D. Initiate corrective action addressing the root cause and review previously affected results

60 The Principle of Comparison in forensic science asserts that:

Principles and laws governing forensic sciences Hard
A. The larger the number of samples compared, the weaker the conclusion becomes
B. Only likes can be meaningfully compared, so a questioned sample must be examined against a known/standard sample of the same type
C. Comparison is valid only for biological evidence and never for physical evidence
D. Any two random samples can be compared to yield conclusive identity