Forensic Science MCQs | UGC NET | FACT | NFSU.pdf

Elevate your Forensic Science knowledge with this comprehensive slide! Dive into 20 MCQs covering various branches like Forensic Ballistics, Forensic Medicine, Trace Evidence Examination, and more. Perfect for UGC NET JRF, FACT, CUET, and NFSU entrance exam prep, it's a valuable resource for all forensic science enthusiasts.

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MCQs

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3. Question: What does the acronym NAFIS stand for in the context of fingerprint
identification systems?
A) National Agency for Fingerprint Investigation and Security
B) National Automated Fingerprint Identification System
C) New Advances in Fingerprint Identification Software
D) Network for Automated Fingerprint Identification and Surveillance
Answer: B) National Automated Fingerprint Identification System

4. Question:- Why is 5-sulphosalicylic acid included when using protein dyes to
enhance blood marks on non-porous surfaces?
A) To change the contrast of the blood impression
B) To demonstrate the presence of haemoglobin
C) To make it easier to work with protein dyes
D) To prevent the impressions from defusing
Answer: D) To prevent the impressions from defusing

5. Question: What term is used to describe the materials to which antibodies bind
specifically?
A) Immunogens
B) Antibodies
C) Anticoagulants
D) Antigens
Answer: D) Antigens

6. Statement A: The American Academy of Forensic Sciences established the Physical
Anthropology Section in 1972.
Statement B: The American Board of Forensic Anthropology (ABFA) certifies
forensic physical anthropologists at the master's degree level.
A) Statement A is true, and Statement B is true.
B) Statement A is true, and Statement B is false.
C) Statement A is false, and Statement B is true.
D) Statement A is false, and Statement B is false.
Correct Answer: B) Statement A is true, and Statement B is false.

7. Question:- In cases where sperm may not be present in a suspected semen stain,
which specific antigen is used to confirm the presence of seminal fluid?
A) Prostate-specific antigen (PSA)
B) Hemoglobin A1c (HbA1c)
C) Seminal acid phosphatase (SAP)
D) Histo-semen group antigens (HSGAs)
Correct answer:- A) Prostate-specific antigen (PSA)

8. Question:- What is the age classification for a developing human organism from
implantation until the end of the 8th week of gestation?

A) Conceptus

B) Pre-embryo

C) Embryo

D) Fetus

Answer: C) Embryo

9. Question: What is the principle behind the separation of DNA fragments by
capillary electrophoresis?

A) Electromagnetic force

B) Differential solubility

C) Mass action

D) Magnetic force

Answer: C) Mass action

10. Question: Which enzyme plays a central role in the polymerase chain reaction
(PCR) by attaching new bases onto the template strands and withstanding the high
denaturation temperature of 95°C?

A) Ribonuclease

B) Helicase

C) Polymerase

D) Ligase

Answer: C) Polymerase

11. Question: What percentage of the human genome consists of sequences that code
for proteins?

A) Approximately 3%

B) About 50%

C) Less than 1%

D) Approximately 97%

Answer: A) Approximately 3%

12. Which part of the body typically undergoes mummification first during the
process?
A) Internal organs

B) Face (lips, tip of nose)

C) Heart and Lungs

D) Cheek bones, chin, costal margins, and hips

E) Cardiac and skeletal muscle

Answer: B) Face (lips, tip of nose)

13. Question: What temperature should vaginal swabs collected as evidence in sexual
offenses be frozen at if there is a potential delay in transmitting them to the
laboratory?
A) Room temperature
B) -10°C
C) -20°C
D) -30°C

Answer: C) -20°C

14. Question: How does High performance liquid chromatography (HPLC) achieve
separation of components in a mixture?

A) By using high pressures

B) By adjusting the column length

C) By altering the detector sensitivity

D) By selective interactions with both phases

Answer: D) By selective interactions with both phases

15. Question:- What is the term used to describe the situation where two compounds,
when administered together, result in toxicity greater than the sum of their
individual toxicities?
A) Chemical synergy
B) Individual susceptibility
C) Genetic modification
D) Detoxication enhancement
Answer: A) Chemical synergy

16. Question:- What is the recommended gauge needle for collecting vitreous humor
samples for toxicological analysis?

A) 18 gauge

B) 14 or 16 gauge

C) 20 gauge

D) 22 gauge

Answer: B) 14 or 16 gauge

17. Question:- What is the recommended method for long-term preservation of urine
stains collected as evidence?
A) Store at 4°C without any addition of preservatives.
B) Keep liquid samples at room temperature.
C) Freeze at -20°C or -80°C without any addition of preservatives.
D) Preserve in plastic leak-proof containers at any temperature.
Answer: C) Freeze at -20°C or -80°C without any addition of preservatives.

18. Question:- What is the primary psychoactive compound found in marijuana,
responsible for the altered state of consciousness experienced by users?
A) CBD (Cannabidiol)
B) THC (Tetrahydrocannabinol)
C) CBN (Cannabinol)
D) CBG (Cannabigerol)
Correct Answer: B) THC (Tetrahydrocannabinol)

19. Question:- What is the common street name for the smokable form of
methamphetamine ?

A) Uppers

B) Speed freak

C) Ice

D) Crack cocaine

Answer:
C) Ice

20. Question:- Statement A: Amphetamines are commonly referred to in the
terminology of the drug culture as "uppers" or "speed."

Statement B: Chronic users of amphetamines often experience prolonged periods
of severe depression, lasting from days to weeks.
Which statement is accurate ?

A) Statement A
B) Statement B
C) Both Statement A and Statement B
D) Neither Statement A nor Statement B
Answer:
C) Both Statement A and Statement B

21. Question:- What is the primary protocol used for communication on the Internet?
A) HTTP

B) TCP/IP

C) UDP

D) FTP

Answer: B) TCP/IP

22. Question:- Which crime scene searching method is most suitable for a crime scene
with multiple rows, such as a classroom?
A) Strip or Parallel Method
B) Grid Method
C) Spiral Method
D) Random Search
Answer: A) Strip or Parallel Method

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