JKSSB Assistant Scientific Officer (Documents) 2024 Solved Question Paper

Question 1

What is the primary purpose of forensic science?

Accepted Answer

Option D: To reconstruct crime scene. The primary purpose of forensic science is to analyze physical evidence scientifically in order to reconstruct the events of a crime scene and assist the justice system.

Question 2

What is the first step in managing a crime scene?

Accepted Answer

Option B: Securing the scene. Securing the scene is the immediate first step in crime scene management to prevent contamination, alteration, or loss of evidence.

Question 3

What is the purpose of a grid search pattern in crime scene searching?

Accepted Answer

Option A: To cover large areas quickly. A grid search pattern, which involves searching in perpendicular directions, is highly systematic and allows investigators to cover large and medium search areas thoroughly.

Question 4

What is the purpose of chain of custody in forensic investigations?

Accepted Answer

Option B: To document the movement of evidence. The chain of custody is a chronological, detailed record documenting the collection, custody, control, transfer, analysis, and disposition of physical evidence to ensure its integrity in court.

Question 5

Which of the following crimes does a White-Collar crime typically involves?

Accepted Answer

Option B: Financial violence. White-collar crimes are non-violent crimes committed by individuals or corporations, typically characterized by deceit or concealment for financial gain (referred to in the test options as 'Financial violence').

Question 6

Who amongst the following is responsible for conducting and overseeing the investigation at a crime scene?

Accepted Answer

Option C: Investigating Officer. The Investigating Officer (I.O.) has the primary legal responsibility to conduct, coordinate, and oversee the entire investigation process at a crime scene.

Question 7

Which of the following is not a method of crime scene searching?

Accepted Answer

Option D: Cube search. Grid, Zone (or Sector), and Spiral search are standard forensic search methods. 'Cube search' is not a recognized method in crime scene investigation.

Question 8

Which of the following method of searching is most appropriate to be used for a plane crash site?

Accepted Answer

Option C: Zone search. For a very large, open, and complex site like a plane crash where debris is widely scattered, the Zone (or Sector) search method is most appropriate. The site is split into manageable sectors, and each is searched systematically.

Question 9

What is the correct sequence of crime scene management?

Accepted Answer

Option C: Forwarding - collection - packaging - transportation - analysis - Collection - packaging - forwarding - transportation - analysis. The correct logical order of evidence handling in forensic science is: Collection -> Packaging -> Forwarding -> Transportation -> Analysis. In Option C, this sequence is present (following the hyphenated typos in the exam booklet).

Question 10

What is the best way to package charred documents?

Accepted Answer

Option A: Corrugated box with cotton base. Charred documents are extremely fragile. They should be carefully lifted and placed in a rigid corrugated box lined with a cotton base to absorb vibrations and prevent crumbling during transport.

Question 11

The concept of 'Every contact leaves a trace' is associated with which of the following forensic scientist?

Accepted Answer

Option C: Sir Edmond Locard. The fundamental tenet of forensic science, 'Every contact leaves a trace', is known as Locard's Exchange Principle, formulated by Sir Edmond Locard.

Question 12

What is the first step at managing the crime scene?

Accepted Answer

Option B: Providing first-aid to the victim. Preservation of human life is the absolute highest priority. Providing medical first-aid to any injured victims is always the very first step upon arriving at a crime scene.

Question 13

What is the primary function of barricading the crime scene?

Accepted Answer

Option D: To prevent contamination of crime scene. Barricading restricts unauthorized access to the crime scene, preserving it from contamination, destruction, or alteration of crucial physical evidence by onlookers or personnel.

Question 14

What are the essentials in the documentation of crime scene?

Accepted Answer

Option D: Photography - Notes taking - Sketching - Videography. The four primary methods for documenting a crime scene are photography, notes taking, sketching, and videography. These establish a permanent, visual, and written record of the scene.

Question 15

Which of the following is not a method of crime scene sketching?

Accepted Answer

Option C: Strip method. Triangulation, baseline, and polar coordinates are valid measurement methods used in crime scene sketching. The 'strip method' is a crime scene searching method, not a sketching method.

Question 16

What is the significance of the primary walk-through at the crime scene?

Accepted Answer

Option C: To identify potential evidence and document its location. The primary walk-through is the initial survey of the crime scene by the investigator to observe the scene's condition, identify transient or fragile evidence, plan search strategies, and document initial locations.

Question 17

What is the full form of ESDA?

Accepted Answer

Option A: Electrostatic Detection Apparatus. ESDA stands for Electrostatic Detection Apparatus, which is a specialized forensic instrument used to visualize and create a permanent record of indented writing impressions on paper.

Question 18

Match the following:
i. ESDA -> a. Analysis of Indentations
ii. Spectroscopy -> b. Analysis of 3-D image
iii. VSC -> c. Analysis of different inks
iv. Stereo microscope -> d. Composition of inks

Accepted Answer

Option D: i-a, ii-d, iii-c, iv-b. ESDA is used to analyze indentations (i-a). Spectroscopy determines chemical composition of inks (ii-d). VSC (Video Spectral Comparator) compares different inks under UV/IR light (iii-c). Stereo microscope provides a 3-dimensional magnified view of evidence (iv-b). This corresponds to option D.

Question 19

Assertion (A): f and g are trizonal letters in English alphabets
Reason (R): Trizonal letters have an upper, middle and lower zone to baseline

Accepted Answer

Option D: A is false but R is true. Assertion (A) is false because while 'f' is a trizonal letter (spans upper, middle, and lower zones), 'g' is a bizonal letter (spans only middle and lower zones). Reason (R) is true because it correctly defines a trizonal letter.

Question 20

Match the following:
1) Writing weakness marked by irregular shaky strokes -> a) Pen emphasis
2) The element of writing movement -> b) Shading
3) The act of intermittently forcing the pen against the paper -> c) Tremor
4) A widening of pen stroke due to added pressure on pen nib -> d) Rhythm

Accepted Answer

Option D: 1-c, 2-d, 3-a, 4-b. Shaky, irregular strokes describe tremor (1-c). Element of writing movement describes rhythm (2-d). Intermittent pressure force is pen emphasis (3-a). Widening of pen stroke due to pressure is shading (4-b). This matches option D.

Question 21

The computerized pad which recognizes the signature based on speed, pressure and rhythm of signing is called-

Accepted Answer

Option A: Biometric Signature Pad. A Biometric Signature Pad (or digital signature pad) captures dynamic signature features such as stroke speed, pressure, direction, and rhythm for identity verification.

Question 22

Which of the following is the oldest form of ink?

Accepted Answer

Option A: Carbon ink. Carbon ink (made from soot/fine charcoal mixed with gum or glue) is the oldest form of writing ink, used since ancient times in Egypt and China.

Question 23

Which of the following method uses Kromekote paper?

Accepted Answer

Option A: Determining sequence of intersecting strokes. The Kromekote paper lifting method is a non-destructive forensic technique used to determine the sequence of intersecting ink strokes on a document.

Question 24

Which of the following method is used for comparison of two inks?

Accepted Answer

Option C: Thin-layer chromatography. Thin-layer chromatography (TLC) is the standard and most widely used chemical separation technique for comparing the organic dyes and components of two different writing inks.

Question 25

Which of the following is depicted by the master pattern of a person's handwriting?

Accepted Answer

Option A: Range of natural variation in the writing. The master pattern of a person's handwriting reflects their individual writing habits, representing the range of natural variations inherent in their writing under various conditions.

Question 26

Proportional spacing typewriter's characteristic feature gives:

Accepted Answer

Option A: It gives space to each character according to its size. In proportional spacing typewriters, horizontal letter spacing varies; wider letters (like 'm' or 'w') are allocated more space than narrow letters (like 'i' or 'l').

Question 27

Match the following:
1. Handwriting comparison -> a. Speed and Rhythm
2. Disguised signature -> b. Master Pattern
3. Genuine signature -> c. Tracing
4. Type of forgery -> d. Pen-lifts and pen pauses

Accepted Answer

Option C: 1-b, 2-d, 3-a, 4-c. Handwriting comparison relies on establishing the Master Pattern (1-b). Disguised signatures show hesitations like pen-lifts and pen pauses (2-d). Genuine signatures are characterized by natural speed and rhythm (3-a). Tracing is a type of forgery (4-c). This corresponds to option C.

Question 28

Match the following:
1. Study of handwriting characteristics -> a. Tracing
2. Non-destructive technique of document examination -> b. ESDA
3. Super-imposition of two signature samples -> c. Graphology
4. Analysis of indented writing -> d. Video Spectral Comparator

Accepted Answer

Option D: 1-c, 2-d, 3-a, 4-b. The study of handwriting characteristics for personality analysis is Graphology (1-c). VSC is a non-destructive optical analysis tool (2-d). Superimposing two identical signatures suggests tracing (3-a). Indented writing is analyzed using ESDA (4-b). This matches option D.

Question 29

Statement A: VSC is often used to examine the alterations and obliterations made on a document
Statement B: VSC uses UV, IR and combination of other wavelength of light sources and filters

Accepted Answer

Option B: Both A and B are true. Both statements are true. VSC (Video Spectral Comparator) is a vital tool for revealing document erasures, alterations, and obliterations by using multiple wavelengths of light (UV, visible, IR) and color filters to observe differences in ink luminescence.

Question 30

What does indented writing refers to in forensic document examination?

Accepted Answer

Option C: Writings impressed onto papers underneath the top sheet. Indented writing (or second-page writing) refers to the depressions or impressions left on sheets of paper beneath the one that was actually written on due to pen pressure.

Question 31

What is the purpose of using oblique lighting in document examination?

Accepted Answer

Option A: To reveal alterations and erasures. Oblique (or side-angle) lighting casts shadows in the indentations and surface disturbances of paper, helping to reveal mechanical erasures, alterations, and indented writing.

Question 32

Statement A: Fingerprints study is also called as Dermatoglyphics
Statement B: Fingerprints of new born babies changes as they grow older

Accepted Answer

Option A: A is true, B is false. Statement A is true (dermatoglyphics is the study of skin ridges). Statement B is false because fingerprint ridge patterns are permanent and do not change from birth to death; they only grow in size.

Question 33

What is the median of the following set of numbers?
10, 15, 8, 20, 12

Accepted Answer

Option A: 12. First, arrange the numbers in ascending order: 8, 10, 12, 15, 20. The middle value of this sorted set of 5 numbers is 12, which is the median.

Question 34

If the variance of the dataset is zero, what can be said about the values in the dataset?

Accepted Answer

Option A: All values are the same. Variance measures how much values spread out from the mean. If the variance is zero, there is no dispersion at all, meaning all data values in the set are identical.

Question 35

In a normal distribution, approximately what percentage of data falls within one standard deviation of the mean?

Accepted Answer

Option A: 68%. According to the empirical rule (68-95-99.7 rule) for a normal distribution, approximately 68.27% of the data falls within one standard deviation (±1σ) of the mean.

Question 36

What does the term p-value represent in hypothesis testing?

Accepted Answer

Option C: Probability of obtaining observed results by chance. The p-value is the probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is correct. It represents the likelihood of the result occurring due to random chance.

Question 37

If a dataset has a positively skewed distribution, where is the mean in relation to the median?

Accepted Answer

Option B: Mean > Median. In a positively (right) skewed distribution, the extreme values in the long right tail pull the mean upward, making the Mean greater than the Median.

Question 38

In a t-test for independent samples, what does the p-value indicate?

Accepted Answer

Option B: Probability of obtaining observed results by chance. In an independent samples t-test, the p-value represents the probability of observing a difference in means as large as (or larger than) the one obtained, assuming that there is no true difference (null hypothesis is true).

Question 39

What is the purpose of F-test in analysis of variance (ANOVA)?

Accepted Answer

Option A: To compare means of more than two independent samples. In ANOVA, the F-test is used to compare the variance between group means against the variance within groups to determine if the means of three or more (more than two) independent groups are significantly different.

Question 40

In a Chi-square test for independence, what is a null hypothesis?

Accepted Answer

Option B: The variables are independent. In a Chi-square test of independence, the null hypothesis (H0) always states that the two categorical variables being tested are independent of each other (not associated).

Question 41

In a paired-sample t-test, what does a p-value less than the chosen level of significance (e.g; 0.05) indicate?

Accepted Answer

Option A: Reject the null hypothesis. A p-value less than the alpha significance level (e.g., p < 0.05) provides strong evidence against the null hypothesis, indicating that we should reject the null hypothesis in favor of the alternative hypothesis.

Question 42

In an analysis of variance (ANOVA) comparing the performance of three different study techniques, the mean scores are 75, 80, and 85 for groups 1, 2, and 3, respectively. The overall mean is 80, and the total sum of squares is 300. What is the between-group sum of squares?

Accepted Answer

Option B: 50. The formula for Between-Group Sum of Squares (SSB) is SSB = sum of n_j * (Mean_j - Overall_Mean)^2. Assuming equal group sizes (n = 1 for simplest representation): SSB = 1*(75-80)^2 + 1*(80-80)^2 + 1*(85-80)^2 = (-5)^2 + 0^2 + 5^2 = 25 + 0 + 25 = 50.

Question 43

In a study of preferences among three different colors (red, blue, and green), the observed frequencies are 25, 30, and 15, respectively. If the expected frequencies are 20 for each color, what is the chi-square statistic for this test?

Accepted Answer

Option C: 7.5. Using Chi-Square formula: χ² = Σ (O - E)² / E. Red: (25 - 20)² / 20 = 25 / 20 = 1.25. Blue: (30 - 20)² / 20 = 100 / 20 = 5.0. Green: (15 - 20)² / 20 = 25 / 20 = 1.25. χ² = 1.25 + 5.0 + 1.25 = 7.5.

Question 44

Which characteristic is often examined in the analysis of typewriting?

Accepted Answer

Option B: Ribbon impression. In forensic typewriting analysis, examiners look closely at ribbon impressions (ink transfer details, ink composition, thread patterns) along with typeface alignment, spacing, and letter defects.

Question 45

What are Taggants in inks used as?

Accepted Answer

Option D: Compounds used as markers to identify ink. Taggants are unique chemical or physical markers added to inks by manufacturers during production to allow the identification of the ink brand, formulation, and year of manufacture.

Question 46

Which technique is used to uncover alterations in handwritten entries by visualising impressions on the document beneath it?

Accepted Answer

Option A: ESDA. ESDA (Electrostatic Detection Apparatus) is the primary technique used to visualize indented impressions left on lower sheets of paper from writing on the top sheet.

Question 47

Arrange the following in ascending chronological order of their appearance:
i. Manual typewriter
ii. Laser printer
iii. Dot-Matrix printer
iv. Inkjet printer

Accepted Answer

Option D: i, iii, iv, ii. The chronological order is: i. Manual Typewriter (1860s/1870s) -> iii. Dot-Matrix Printer (1970) -> iv. Inkjet Printer (late 1970s/1980s) -> ii. Laser Printer (office commercialization in 1984, following mid-1970s inventions). This corresponds to option D.

Question 48

What is the purpose of using infrared examination in document analysis?

Accepted Answer

Option B: To visualize hidden text. Infrared (IR) examination is used to visualize obliterated or hidden text, detect alterations, and distinguish between different inks that react differently to infrared radiation.

Question 49

Match the following:
a. Model signature -> 1. Any stroke that goes back over same writing stroke
b. Patching -> 2. A genuine sign that has been used to prepare an imitated forgery
c. Retracing -> 3. Retouching or going back over a defective portion of writing stroke
d. Pen lift -> 4. An interruption in a stroke by removing writing instrument from paper

Accepted Answer

Option D: a-2, b-3, c-1, d-4. A model signature is a genuine signature used for imitation (a-2). Patching is the retouching of a stroke (b-3). Retracing is writing back over the same stroke (c-1). A pen lift is lifting the pen from the paper (d-4). This matches option D.

Question 50

What is the design of letters which are fundamental to a writing system called?

Accepted Answer

Option A: Copybook form. The copybook form represents the basic, standardized style of letters taught to beginners in a specific school system, serving as the starting point for individual writing habits.

Question 51

What is a blind loop in handwriting defined as?

Accepted Answer

Option C: A loop formation completely filled with ink. A blind loop in handwriting occurs when a curved loop letter (like 'e', 'g', or 'o') is completely filled with ink, rendering the inner white space of the loop invisible.

Question 52

Which of the following causes the Transitory defects in the typescript?

Accepted Answer

Option D: Clogging of the typeface. Clogging of the typeface (due to ink ribbon lint and dust accumulating in letters like 'o' or 'e') is a transitory (temporary) defect because cleaning the keys completely removes it. Bent serifs and alignment are permanent defects.

Question 53

Which of the following technique can be utilised to decipher the ink writing erased with chemical erasure?

Accepted Answer

Option A: VSC. A Video Spectral Comparator (VSC) is utilized to decipher chemical erasures by observing the document under UV or IR light, which triggers differential fluorescence in the chemical residue or altered paper fibers.

Question 54

(A): Two handwriting samples of the same content written by the same person are exactly the same and can be superimposed one on top of another.
(B): Two handwriting samples written by the same person could be same because it was written by the same author during same time period

Accepted Answer

Option D: Both A and B are incorrect. Both statements are incorrect. Due to natural variation, a writer never produces two identical handwriting samples. Perfect superimposition is a classic sign of traced forgery, not genuine writing, regardless of the time period.

Question 55

Which of the following is most likely to develop the individual characteristics when used a lot?

Accepted Answer

Option A: Typewriting. Manual typewriters develop highly specific individual characteristics with use due to mechanical wear and tear, bending of serifs, misalignment of type bars, and clog damage.

Question 56

The sequence of pages in the multipage laser-printed document could be determined from the position of which type of defect marks?

Accepted Answer

Option C: Drum defect marks. Defects on the organic photoconductor (OPC) drum of a laser printer leave repetitive spots or marks on pages. Examining changes in these drum defect marks across pages can help determine printing sequence.

Question 57

A writer leaves 1.5 inches to the left margin. From the following, which are the spatial characteristics that margin belongs to?

Accepted Answer

Option A: Arrangement. Marginal formatting and layout are classified under the spatial characteristics of page Arrangement (how writing is positioned relative to margins, edges, and paragraphs).

Question 58

Who was known to be the first to use any scientific system for personal identification?

Accepted Answer

Option C: Sir Alphonse Bertillon. Alphonse Bertillon developed the first scientific system of personal identification in 1879, known as Bertillonage, which utilized anthropometric measurements of bodily dimensions.

Question 59

Following are the duties of the First officer arriving at the scene of crime, EXCEPT-
i. Taking notes of any vehicles leaving the scene
ii. Obtaining medical assistance if needed
iii. Check for hazardous or violent circumstances
iv. Leaves the crime scene to do a preliminary examination

Accepted Answer

Option D: Only iv is correct. The first responding officer must secure the scene and must NOT leave the crime scene to conduct a preliminary examination elsewhere. Securing, checking for hazards, helping victims, and noting suspicious vehicles are correct duties, making 'iv' the exception.

Question 60

Which of the following defines physical evidence?

Accepted Answer

Option D: Any object that can establish that a crime has or has not been committed or can link a crime and its victim or its perpetrator. Physical evidence is most comprehensively defined as any object or material that can establish whether a crime has or has not been committed, or can link a crime to its victim or its perpetrator.

Question 61

Read the following statements and choose the correct answer
A. Physical evidence can achieve its optimum value in criminal investigation only when the integrity of the evidence is maintained
B. It can be achieved by the IO's thorough knowledge of the crime laboratory's techniques, capabilities and limitations

Accepted Answer

Option C: Both A and B are correct. Both statements are correct. Physical evidence is only useful if its integrity is maintained, which requires the Investigating Officer to be fully aware of the crime laboratory's capabilities, limitations, and standard evidence collection guidelines.

Question 62

Match the following:
1. Sir Francis Galton -> a. Fingerprints
2. Sir Edmond Locard -> b. Questioned Documents
3. Sir Alphonse Bertillon -> c. Principle of Mutual Exchange
4. Sir Albert S. Osborn -> d. Anthropometric Measurements

Accepted Answer

Option C: a-1, b-4, c-2, d-3. Sir Francis Galton is associated with Fingerprints (a-1). Sir Albert S. Osborn with Questioned Documents (b-4). Sir Edmond Locard with the Principle of Mutual Exchange (c-2). Sir Alphonse Bertillon with Anthropometric Measurements (d-3). This matches option C.

Question 63

Which of the following is NOT a key element of crime scene management?
i. Documentation
ii. Preservation of evidence
iii. Identifying and interviewing suspects
iv. Crowd control

Accepted Answer

Option B: (iii) and (iv) only are correct. Crime scene management focuses on securing the scene, documenting it (i), and preserving evidence (ii). Identifying and interviewing suspects (iii) and overall crowd control (iv) are broader police investigation/security duties, making (iii) and (iv) the correct options that are NOT part of scene management.

Question 64

How long a crime scene should typically be secured for?

Accepted Answer

Option D: As long as necessary to complete the investigation. A crime scene must remain barricaded and secured for as long as is necessary to conduct a thorough search, document the scene, and collect all potential physical evidence.

Assistant Scientific Officer (Documents)2024

📝 Solved Questions with Detailed Explanations100% Free • No Login Required

JKSSB — Assistant Scientific Officer (Documents) (2024)

What is the primary purpose of forensic science?

What is the first step in managing a crime scene?

What is the purpose of a grid search pattern in crime scene searching?

What is the purpose of chain of custody in forensic investigations?

Which of the following crimes does a White-Collar crime typically involves?

Who amongst the following is responsible for conducting and overseeing the investigation at a crime scene?

Which of the following is not a method of crime scene searching?

Which of the following method of searching is most appropriate to be used for a plane crash site?

What is the correct sequence of crime scene management?

What is the best way to package charred documents?

The concept of 'Every contact leaves a trace' is associated with which of the following forensic scientist?

What is the first step at managing the crime scene?

What is the primary function of barricading the crime scene?

What are the essentials in the documentation of crime scene?

Which of the following is not a method of crime scene sketching?

What is the significance of the primary walk-through at the crime scene?

What is the full form of ESDA?

Match the following:i. ESDA -> a. Analysis of Indentationsii. Spectroscopy -> b. Analysis of 3-D imageiii. VSC -> c. Analysis of different inksiv. Stereo microscope -> d. Composition of inks

Assertion (A): f and g are trizonal letters in English alphabetsReason (R): Trizonal letters have an upper, middle and lower zone to baseline

Match the following:1) Writing weakness marked by irregular shaky strokes -> a) Pen emphasis2) The element of writing movement -> b) Shading3) The act of intermittently forcing the pen against the paper -> c) Tremor4) A widening of pen stroke due to added pressure on pen nib -> d) Rhythm

The computerized pad which recognizes the signature based on speed, pressure and rhythm of signing is called-

Which of the following is the oldest form of ink?

Which of the following method uses Kromekote paper?

Which of the following method is used for comparison of two inks?

Which of the following is depicted by the master pattern of a person's handwriting?

Proportional spacing typewriter's characteristic feature gives:

Match the following:1. Handwriting comparison -> a. Speed and Rhythm2. Disguised signature -> b. Master Pattern3. Genuine signature -> c. Tracing4. Type of forgery -> d. Pen-lifts and pen pauses

Match the following:1. Study of handwriting characteristics -> a. Tracing2. Non-destructive technique of document examination -> b. ESDA3. Super-imposition of two signature samples -> c. Graphology4. Analysis of indented writing -> d. Video Spectral Comparator

Statement A: VSC is often used to examine the alterations and obliterations made on a documentStatement B: VSC uses UV, IR and combination of other wavelength of light sources and filters

What does indented writing refers to in forensic document examination?

What is the purpose of using oblique lighting in document examination?

Statement A: Fingerprints study is also called as DermatoglyphicsStatement B: Fingerprints of new born babies changes as they grow older

What is the median of the following set of numbers?10, 15, 8, 20, 12

If the variance of the dataset is zero, what can be said about the values in the dataset?

In a normal distribution, approximately what percentage of data falls within one standard deviation of the mean?

What does the term p-value represent in hypothesis testing?

If a dataset has a positively skewed distribution, where is the mean in relation to the median?

In a t-test for independent samples, what does the p-value indicate?

What is the purpose of F-test in analysis of variance (ANOVA)?

In a Chi-square test for independence, what is a null hypothesis?

In a paired-sample t-test, what does a p-value less than the chosen level of significance (e.g; 0.05) indicate?

In an analysis of variance (ANOVA) comparing the performance of three different study techniques, the mean scores are 75, 80, and 85 for groups 1, 2, and 3, respectively. The overall mean is 80, and the total sum of squares is 300. What is the between-group sum of squares?

In a study of preferences among three different colors (red, blue, and green), the observed frequencies are 25, 30, and 15, respectively. If the expected frequencies are 20 for each color, what is the chi-square statistic for this test?

Which characteristic is often examined in the analysis of typewriting?

What are Taggants in inks used as?

Which technique is used to uncover alterations in handwritten entries by visualising impressions on the document beneath it?

Arrange the following in ascending chronological order of their appearance:i. Manual typewriterii. Laser printeriii. Dot-Matrix printeriv. Inkjet printer

What is the purpose of using infrared examination in document analysis?

What is the design of letters which are fundamental to a writing system called?

What is a blind loop in handwriting defined as?

Which of the following causes the Transitory defects in the typescript?

Which of the following technique can be utilised to decipher the ink writing erased with chemical erasure?

(A): Two handwriting samples of the same content written by the same person are exactly the same and can be superimposed one on top of another.(B): Two handwriting samples written by the same person could be same because it was written by the same author during same time period

Which of the following is most likely to develop the individual characteristics when used a lot?

The sequence of pages in the multipage laser-printed document could be determined from the position of which type of defect marks?

A writer leaves 1.5 inches to the left margin. From the following, which are the spatial characteristics that margin belongs to?

Who was known to be the first to use any scientific system for personal identification?

Following are the duties of the First officer arriving at the scene of crime, EXCEPT-i. Taking notes of any vehicles leaving the sceneii. Obtaining medical assistance if needediii. Check for hazardous or violent circumstancesiv. Leaves the crime scene to do a preliminary examination

Which of the following defines physical evidence?

Match the following:1. Sir Francis Galton -> a. Fingerprints2. Sir Edmond Locard -> b. Questioned Documents3. Sir Alphonse Bertillon -> c. Principle of Mutual Exchange4. Sir Albert S. Osborn -> d. Anthropometric Measurements

Which of the following is NOT a key element of crime scene management?i. Documentationii. Preservation of evidenceiii. Identifying and interviewing suspectsiv. Crowd control

How long a crime scene should typically be secured for?

What will the examination of handwriting in suicide note reveal?

Who introduced the muscular movement of penmanship through publication 'Palmer Guide to Muscular Movement'?

Match the following:1. ESDA -> a. Indentations2. UV light source -> b. Physical matching of torn paper3. Projectina -> c. Fluorescence4. IR image convertor -> d. Obliterations

What is the full form of ICP-MS?

Match the following:a. Heat -> i. Soapb. Ammonia -> ii. Urinec. Water -> iii. Starchd. Iodine vapour -> iv. Iron salt

Match the following:i. Laws of Motion -> a. Velocityii. Scalar quantity -> b. Massiii. Linear Motion -> c. Displacementiv. Vector quantity -> d. Moment of Inertiav. Rotational Motion -> e. A body at rest remains at rest unless an external force is applied

Which type of friction occurs when an object is in motion?

Hooke's Law describes the relationship between stress and:

The North pole of a magnet:

Ohm's Law relates to:

The principle of holography is based on the interference of:

What type of hologram records the interference pattern between a reference beam and an object beam?

How can holography be applied in forensic document examination?

In the context of measuring instruments, the least count is:

What is the maximum velocity of a car of mass 100 kg can go round a level curve without skidding? (g=10m/s² µ between road and tyre = 0.6, Radius of curvature = 20m).

Match the following:
i. ESDA -> a. Analysis of Indentations
ii. Spectroscopy -> b. Analysis of 3-D image
iii. VSC -> c. Analysis of different inks
iv. Stereo microscope -> d. Composition of inks

Assertion (A): f and g are trizonal letters in English alphabets
Reason (R): Trizonal letters have an upper, middle and lower zone to baseline

Match the following:
1) Writing weakness marked by irregular shaky strokes -> a) Pen emphasis
2) The element of writing movement -> b) Shading
3) The act of intermittently forcing the pen against the paper -> c) Tremor
4) A widening of pen stroke due to added pressure on pen nib -> d) Rhythm

Match the following:
1. Handwriting comparison -> a. Speed and Rhythm
2. Disguised signature -> b. Master Pattern
3. Genuine signature -> c. Tracing
4. Type of forgery -> d. Pen-lifts and pen pauses

Match the following:
1. Study of handwriting characteristics -> a. Tracing
2. Non-destructive technique of document examination -> b. ESDA
3. Super-imposition of two signature samples -> c. Graphology
4. Analysis of indented writing -> d. Video Spectral Comparator

Statement A: VSC is often used to examine the alterations and obliterations made on a document
Statement B: VSC uses UV, IR and combination of other wavelength of light sources and filters

Statement A: Fingerprints study is also called as Dermatoglyphics
Statement B: Fingerprints of new born babies changes as they grow older

What is the median of the following set of numbers?
10, 15, 8, 20, 12

Arrange the following in ascending chronological order of their appearance:
i. Manual typewriter
ii. Laser printer
iii. Dot-Matrix printer
iv. Inkjet printer

(A): Two handwriting samples of the same content written by the same person are exactly the same and can be superimposed one on top of another.
(B): Two handwriting samples written by the same person could be same because it was written by the same author during same time period

Following are the duties of the First officer arriving at the scene of crime, EXCEPT-
i. Taking notes of any vehicles leaving the scene
ii. Obtaining medical assistance if needed
iii. Check for hazardous or violent circumstances
iv. Leaves the crime scene to do a preliminary examination

Match the following:
1. Sir Francis Galton -> a. Fingerprints
2. Sir Edmond Locard -> b. Questioned Documents
3. Sir Alphonse Bertillon -> c. Principle of Mutual Exchange
4. Sir Albert S. Osborn -> d. Anthropometric Measurements

Which of the following is NOT a key element of crime scene management?
i. Documentation
ii. Preservation of evidence
iii. Identifying and interviewing suspects
iv. Crowd control

Match the following:
1. ESDA -> a. Indentations
2. UV light source -> b. Physical matching of torn paper
3. Projectina -> c. Fluorescence
4. IR image convertor -> d. Obliterations

Match the following:
a. Heat -> i. Soap
b. Ammonia -> ii. Urine
c. Water -> iii. Starch
d. Iodine vapour -> iv. Iron salt

Match the following:
i. Laws of Motion -> a. Velocity
ii. Scalar quantity -> b. Mass
iii. Linear Motion -> c. Displacement
iv. Vector quantity -> d. Moment of Inertia
v. Rotational Motion -> e. A body at rest remains at rest unless an external force is applied

(A): Laser light is monochromatic
(B): Coherence in laser light refers to wavelength consistency

Match the following:
1. CO₂ lasers composed of -> a. Rare-earth ions
2. N₂ lasers operate in of EMR spectrum -> b. Visible region
3. Ar-ion laser emits light in of EMR spectrum -> c. Molecular gas
4. Glass lasers composed of -> d. Infra-Red region

Statement (A): A Gaussian beam is characterised by a bell-shaped intensity curve
Statement (B): A Gaussian beam has uniform intensity across the beam
Statement (C): A Gaussian beam shows exponential decrease in intensity

Match the following:
i. Section 464, IPC -> a Making of false document
ii. Section 463, IPC -> b. Punishment for forgery
iii. Section 45, IEA -> c. Opinion of handwriting expert
iv. Section 405, IPC -> d. Criminal breach of trust

Disguise in handwriting by unaccustomed hand means:
i. To write with right hand by left-handed writer
ii. To write with right hand by right-handed writer
iii. To write with left hand by a right-handed writer
iv. To write with left hand by left-handed writer

Match the following:
i. Superimposition -> a. Simulated forgery
ii. Freehand forgery -> b. Copy-paste
iii. Practiced hand forgery -> c. By memory
iv. Lifted forgery -> d. Traced forgery

Which of the following features are examined while detecting counterfeiting in currency notes?
1. Microprinting
2. Watermark
3. Optical fibres
4. OVI (optical variable ink)
5. Signature of the governor

In credit cards forgery investigations, what is often examined to determine the authenticity of a card, especially when comparing a genuine card with a suspected counterfeit?
1. Magnetic stripe data
2. Embossed characters
3. Signature panel