Mock Test Set- 13

Mock Test Set- 13

Q1. Which of the following enzymes is responsible for joining Okazaki fragments during DNA replication?

A. DNA Polymerase

B. DNA Helicase

C. DNA Ligase

D. RNA Primase

Answer: C. DNA Ligase

Explanation: DNA ligase plays a crucial role in sealing nicks in the sugar-phosphate backbone, thereby joining Okazaki fragments on the lagging strand during DNA replication.

Q2. Which of the following is NOT a characteristic feature analyzed in handwriting comparison?

A. Line quality

B. Slant

C. Amino acid composition

D. Pen lifts

Answer: C. Amino acid composition

Explanation: Handwriting examination focuses on visual and mechanical characteristics such as line quality, slant, and pen lifts, not biochemical properties like amino acid composition.

Q3. Which spectral region is most useful for detecting erasures on a document?

A. Ultraviolet (UV)

B. Infrared (IR)

C. Visible spectrum

D. X-ray

Answer: A. Ultraviolet (UV)

Explanation: UV light is useful for detecting erasures by highlighting areas where the surface has been disturbed or ink has been altered.

Q4. Which of the following methods is used to analyze the chemical composition of ink?

A. Raman Spectroscopy

B. ESDA

C. VSC

D. Photomicrography

Answer: A. Raman Spectroscopy

Explanation: Raman Spectroscopy identifies the chemical composition of ink based on the scattering of monochromatic light, aiding in distinguishing ink types.

Q5. Which metabolite is a biomarker for chronic alcohol consumption?

A. Methanol

B. Ethylene glycol

C. Ethyl glucuronide

D. Acetaldehyde

Answer: C. Ethyl glucuronide

Explanation: Ethyl glucuronide is a direct metabolite of ethanol, providing a reliable marker for recent and chronic alcohol use.

Q6. Which of the following drugs is classified as a central nervous system stimulant?

A. Morphine

B. Cocaine

C. Diazepam

D. Amitriptyline

Answer: B. Cocaine

Explanation: Cocaine acts as a CNS stimulant by inhibiting the reuptake of dopamine, norepinephrine, and serotonin.

Q7. What does a "blind forgery" typically involve?

A. Copying a signature without any reference

B. Forging a signature by tracing

C. Forging a signature with reference to the original

D. Altering a pre-existing signature

Answer: A. Copying a signature without any reference

Explanation: A blind forgery occurs when a signature is fabricated without having seen the original, often resulting in inconsistent characteristics.

Q8. What is the purpose of the "Kohinoor Test" in document examination?

A. To detect erasures

B. To identify pencil marks

C. To differentiate inks

D. To analyze paper fibers

Answer: B. To identify pencil marks

Explanation: The Kohinoor Test involves chemical methods to reveal the presence of pencil marks, especially when they are erased.

Q9. Which chemical is commonly used in the "Ink Solubility Test"?

A. Acetone

B. Hydrochloric acid

C. Toluene

D. Ethanol

Answer: D. Ethanol

Explanation: Ethanol is used as a solvent in the Ink Solubility Test to evaluate the solubility characteristics of different inks.

Q10. What is a "Tremor of Fraud" in handwriting analysis?

A. A natural variation in genuine handwriting

B. A result of nervousness in forged handwriting

C. An intentional addition to a signature

D. A characteristic of aged handwriting

Answer: B. A result of nervousness in forged handwriting

Explanation: Tremor of fraud is observed in forged handwriting due to the lack of fluency and confidence, causing shaky or hesitant strokes.

Author:- Srishti Dutta