UGC NET Forensic Science PAPER-II (November 2021)--Part-1 (Ques. 1-50)

In this part, questions are available from Q.1-50 of the forensic science section.

For questions 51-100 click here

1. The correct sequence for restoration of engine number of cars using etching method is

(A) Cleaning of the surface where numbers have to be stored

(B) Application of Fry's reagent

(C) Application of 15% nitric acid

(D) Visualization and photography of a number

Choose the correct answer from the options given below:

1. (A), (B), (C), (D)
2. (A), (C), (B), (D)
3. (D), (C), (B), (A)
4. (C), (A), (B), (D)

Answer:-1

2. As per ASTM guidelines, identification of gasoline is confirmed by the presence of

(A) C3-alkylbenzenes

(B) M-P- and O ethyl toluene

(C) 1, 2, 4 trimethyl benzene

(D) C7- cycloparaffzin

Choose the most appropriate answer from the options given below :

1. (A), (B) and (C) only
2. (B), (C) and (D) only
3. (A), (C) and (D) only
4. (A), (B) and (D) only

Answer:-1

3. ‘‘GRIM’’ is an instrument, that measures which of the following property of glass?

1. Density
2. Elemental composition
3. Refractive index
4. Birefringence

Answer:-3

4. Match List I with List II

List I	List II
(A) First official use of finger print	(I) Edward Henry
(B) Use of printer’s ink forn known fingerprint recording	(II) Francis Galton
(C) Devised ridge characteristics	(III) William Herschel
(D) fingerprint classification	(IV) Henry Faulds

Choose the correct answer from the options given below:

1. (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
2.  (A)-(II), (B)-(I), (C)-(III), (D)-(IV)
3. (A)-(I), (B)-(III), (C)-(II), (D)-(IV)
4. (A)-(III), (B)-(IV), (C)-(II), (D)-(I)

Answer:-4

5. The phonetic sound [S] [S] and [P] are having the following characteristics

(A) These are voiced sounds

(B) These are voiceless sounds

(C) There will be a total absence of harmonics in their respective spectrograms

(D) These will produce periodic energy is their respective spectrograms

Choose the most appropriate answer from the options given below :

1. (A) and (D) only
2. (A) and (C) only
3. (B) and (C) only
4. (B) and (D) only

Answer:-3

6. Which one of these is not helpful in individualization?

1. Bite Mark
2. Tear Stain
3. Sweat Stain
4. Amniotic fluid

Answer:-2

7. Match List I with List II Life cycle of Musca domestica (housefly) 

List I( Developmental stage)	List II( Summer season)
(A) Flies lay eggs	(I) 5 day
(B) 1st instar hatches from eggs	(II) 1 day
(C) 1st instar to 2nd instar	(III) 8 hour
(D) Pupa to adult	(IV) within min

Choose the correct answer from the options given below:

1. (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
2. (A)-(IV), (B)-(I), (C)-(II), (D)-(III)
3. (A)-(III), (B)-(I), (C)-(II), (D)-(IV)
4. (A)-(IV), (B)-(III), (C)-(II), (D)-(I)

Answer:-4

58. Match List I with List II 

List I(Injuries)	List II(Causes)
(A) Injuries Suicidal	(I) Fatal wounds on chest, abdomen, head and would not include non-fatal defense wound
(B) Homicidal	(II) Received by victim mostly on hands
(C) Defense	(III) Hesitation cut
(D) Self inflected	(IV) Caused by self

Choose the correct answer from the options given below:

1. (A)-(I), (B)-(II), (C)-(IV), (D)-(III)
2. (A)-(III), (B)-(I), (C)-(II), (D)-(IV)
3. (A)-(II), (B)-(III), (C)-(I), (D)-(IV)
4. (A)-(IV), (B)-(II), (C)-(I), (D)-(III)

Answer:-2

9. The most common detector used to analyze ignitable liquid using GC is

1. Flame Ionization detector
2. Electron capture detector
3. Flame photometric detector
4. Flame thermionic detector

Answer:-1

10. Most common bullets for revolvers are

1. Lead alloy bullets
2. Dum-dum bullets
3. Streamlined bullets
4. Boat-Tailed bullets

Answer:-1

11. Match list I with List II 

List I	List II
(A) Quinine	(I) Photodiode array detector
(B) Heroine	(II) Electrochemical detector
(C) Aniline	(III) Refractive index detector
(D) Fructose	(IV) Fluorescence detector

 Choose the correct answer from the options given below:

1. (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
2. (A)-(IV), (B)-(I), (C)-(III), (D)-(II)
3. (A)-(II), (B)-(I), (C)-(III), (D)-(IV)
4. (A)-(IV), (B)-(I), (C)-(II), (D)-(III)

Answer:-4

12. Match list I with List II 

List I ( Fusion of some of epiphysis)	List II (Age (~) in males)
(A) Distal end of Radius	(I) 20
(B) Ischial tuberosity	(II) 19–20
(C) Head of femur	(III) 18
(D) Crust of Ilium	(IV) 16-17

Choose the correct answer from the options given below:

1. (A)-(II), (B)-(I), (C)-(III), (D)-(IV)
2. (A)-(IV), (B)-(III), (C)-(II), (D)-(I)
3. (A)-(I), (B)-(II), (C)-(IV), (D)-(III)
4. (A)-(III), (B)-(I), (C)-(IV), (D)-(II)

Answer:-4

13. Given below are two statements:

Statement (I): In a monochromator two types of dispersing elements are found namely reflection grating and prism

Statement (II): For dispersing by prism, refractions at two faces results in angular dispersion

In the light of the above statements, choose the most appropriate answer from the options given below

1. Both Statement (I) and Statement (II) are correct
2. Both Statement (I) and Statement (II) are incorrect
3. Statement (I) is correct but Statement (II) is incorrect
4. Statement (I) is incorrect but Statement (II) is correct

Answer:-1 

14. Which of the following viruses evade detection by using a sophisticated form of encryption?

1. Stealth virus
2. Multipartite virus
3. Companion virus
4. Polymorphic virus

Answer:-4

15. In British India where was the first chair of professor of medical jurisprudence established

1. Calcutta Medical College, Calcutta (Kolkata)
2. Madras Medical College, Madras (Chennai)
3. Punjab Medical College, Lahore (Pakistan)
4. Lucknow Medical College, Lucknow

Answer:-2

16. Lead is considered as most suitable material for the construction of projectiles because

(A) It has high specific gravity

(B) Low-melting point

(C) Cannot be moulded in different shapes

(D) It is non-toxic

(E) Economical

Choose the correct answer from the options given below :

1. (A), (B), (C) only
2. (B), (C), (D) only
3. (A), (C), (D) only
4. (A), (B), (E) only

Answer:-4

17. A device manually or electrically powered or computer-generated, designed to ink, emboss, print, perforate a monetary value along with other peripheral information onto a document

1. Photocopier
2. Check writer
3. Facsimile
4. Dandy roll

Answer:-2

18. Given below are two statements : One is labeled as Assertion A and the other is labeled as Reason R

Assertion (A): The rate of loss of velocities , that is, retardation is fairly high in case of shotgun projectiles.

Reasons (R): The loss is due to the air resistance, poor form-factor and size of a pellet.

In the light of the above statements, choose the correct answer from the options given below:-

1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R) are true but (R) is not the correct explanation of (A)
3. (A) is true but (R) is false
4. (A) is false but (R) is true

Answer:-1

19. The factors affecting the recoil are

(A) The backward motion of the ejecta

(B) The forward motion of the ejecta

(C) The motion of the out-rushing gases

(D) The muzzle blast

Choose the most appropriate from the options given below :

1. (A), (B), (C) only
2. (B), (C), (D) only
3. (D), (A), (B) only
4. (A), (C), (D) only

Answer:-2

20. For a particular vibrational mode to appear in Raman spectrum, which of the following must change

1. Frequency of radiation
2. Intensity of radiation
3. Molecule's shape
4. Molecule's polarizability

Answer:-4

21. Which of the following fingerprint identification method utilizes a grid of LMM intervals?

1. Osborn grid method
2. Pincushion method
3. Microscopic Triangulation method
4. Osterourg Grid method

Answer:-4

22. Match list I with List II 

List I(  Mode of death )	List II(Cause)
(A) Coma	(I) Anaemia due to the sudden and excessive haemorrhage from wounds of large blood vessels
(B) Syncope	(II) Mechanical obstruction of the air passage
(C) Asphyxia	(III) Compression of the brain or its membrane
(D) Sudden death	(IV) Disease of blood vessels especially occlusion of lumen

Choose the correct answer from the options given below:

1. (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
2. (A)-(III), (B)-(I), (C)-(II), (D)-(IV)
3. (A)-(IV), (B)-(III), (C)-(II), (D)-(I)
4. (A)-(II), (B)-(IV), (C)-(I), (D)-(III)

Answer:-2

23. The correct sequence of processes in enrollment phase of iris biometric recognition is

(A) Iris image acquisition

(B) Image enhancement

(C) Localization and normalization

(D) Feature extraction

(E) Enrollment in database

Choose the correct answer from the options given below:

1. (A), (B), (C), (D), (E)
2. (A), (E), (B), (C), (D)
3. (E), (A), (B), (C), (D)
4. (A), (C), (B), (D), (E)

Answer:-4

24. A voice recording which was orginally recorded in the phone memory, copied in a memory card. The admissibility of this memory card as an evidence is under

1. Section 65 of IT Act
2. Section 65 B of Indian Evidence Act
3. Section 65 of Indian Evidence Act
4. Section 65 of Indian Penal code

Answer:-2

25. Type of firearm can be ascertained from fired bullet by studying

(A) Width of lands and grooves

(B) Angle of twist of rifling

(C) Caliber of the bullet

(D) Weight of the bullet

(E) Colour of the bullet

Choose the correct answer from the options given below :

1. (D), (E), (A)
2. (C), (B), (D)
3. (B), (A), (E)
4. (A), (B), (C)

Answer:-4

26. The correct sequence to be followed at a crime scene is

(A) Documentation

(B) Preservation

(C) Systematic search

(D) Preliminary scene examination

(E) Evidence collection

Choose the correct answer from the options given below:

1. (D), (C), (B), (A), (E)
2. (D), (C), (A), (E), (B)
3. (A), (B), (C), (D), (E)
4. (C), (D), (A), (E), (B)

Answer:-2

27. Match list I with List II 

List I	List II
(A) GHB	(I) Bath salt
(B) MDMA	(II) Boomers
(C) LSD	(III) X
(D) MDPV	(IV) G

Choose the correct answer from the options given below:

1. (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
2. (A)-(IV), (B)-(II), (C)-(III), (D)-(I )
3. (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
4. (A)-(IV), (B)-(III), (C)-(II), (D)-(I)

Answer:-4

28. —————— death is that state of the body where there is complete cessation of the vital parts of body responsible to maintain life and health

1. Molecular
2. Asphyxia
3. Somatic
4. Syncope

Answer:-3

29. ‘‘SICAR’’ is a system/software used for identification of

1. Bullet
2. Tire impression
3. Shoe impression
4. Cartridge case

Answer:-3

30. A substance that responds in the same manner to the light polarized in any direction is

1. Isotropic
2. An isotope
3. An-isotropic
4. Divergent

Answer:-1

31. Arrange the GC detectors according to their increasing sensitivity

(A) Electron Capture Detector

(B) Flame Ionisation Detector

(C) Nitrogen-Phosphorus detector

(D) Thermal conductivity detector

Choose the correct answer from the options given below:

1. (A)  < (b)="">< (c)="">< (d)
2. ="" (d)="">< (b)="">< (a)=""><>
3.  (D) < (b)="">< (c)="">< (a)
4. ="" (b)="">< (d)="">< (a)=""><>

Answer:-2

32. O-demethylation of codeine gives

1. Morphine
2. Acetylcodine
3. Methylcodine
4. Heroin

Answer:-1

33. Which Article of constitution of India declares that the law declared by the supreme court shall be binding on all courts within the territory of India

1. Article 141
2. Article 140
3. Article 139
4. Article 138

Answer:-1

34. Which of the following are the formats of output images when created using FTK imager?

(A) dd

(B) EXIF

(C) SMART

(D) AFF

Choose the most approprite answer from the options given below :

1. (A), (B) and (C) only
2. (A), (B) and (D) only
3. (A), (C) and (D) only
4. (B), (C) and (D) only

Answer:-3

35. As per ASTM E 1618-11 guidelines number of classes of ignitable liquids identified by GC-ms is

1. 3
2. 4
3. 6
4. 8

Answer:-4

36. The larger valve of frustule in diatom is better known as

1. Hypotheca
2. Cingulum
3. Epitheca
4. Gridle band

Answer:-3

37. The law of —————— states that different segregating gene pairs behave independently due to recombination where genetic material is shuffled between generations

1. Probability
2. Mendelian inheritance
3. Independent assortment
4. Segregation

Answer:-3

38. Match list I with List II 

List I	List II
(A) Beer	(I) Grapes
(B) Wine	(II) Barley malt
(C) Brandy	(III) Molasses
(D) Rum	(IV) Sugar containing fruit

Choose the correct answer from the options given below:

1. (A)-(III), (B)-(IV), (C)-(I), (D)-(II)
2. (A)-(II), (B)-(I), (C)-(IV), (D)-(III)
3. (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
4. (A)-(I), (B)-(II), (C)-(IV), (D)-(III)

Answer:-2

39. Which of the following city in India have both state and Central forensic science laboratory?

(A) Chandigarh

(B) Hyderabad

(C) Bhopal

(D) Pune

(E) Kolkata

Choose the correct answer from the options given below :

1. (C) and (D) only
2. (A) and (B) only
3. (C) and (E) only
4. (B) and (E) only

Answer:-4

40. Inconsistency in letter form, change in slope, tremors, use of alternate letter form normally not used by the writer are the characteristics commonly associated with which of the following

1. Spurious signatures
2. Simulated forgery
3. Guided signatures
4. Disguise

Answer:-4

41. The correct explanation for SWGDRUG is

1. Rapid drug testing kit
2. An International committee that set standards for the analysis of drugs
3. The United Nation organization with the responsibility for arresting drug traffickers
4. European agency for early warning for new drugs

Answer:-2

42. The detection of blood can be established by which one of these

1. 3-Methyluracil
2. Fast Blue-B salt test
3. 3-Aminophenol
4. 3-Aminophthalhydrazide

Answer:-4

43. Which of the following explosive is a composition of PETN?

1. C-4
2. SEMTEX
3. Cyclotol
4. Composition B

Answer:-2

44. The side-way shift of the projectile from the plane of departure is known as

1. Drift
2. Yaw
3. Obturation
4. Ricochet

Answer:-1

45. The common street name for MDPV (3,4-ethylenedioxypyrovalerone) is

1. Bath salts
2. Ice
3. Speed
4. Ecstasy

Answer:-1

46. Poaching of Tigers is done for their

1. Teeth and Hair
2. Skin and bones
3. Bone and hair
4. Skin and hair

Answer:-2

47. Arrange the HPLC detectors according to their increasing sensitivity

(A) U.V Detector

(B) P.D.A. Detector

(C) Electrochemical (EC) Detector

(D) R.I. Detector

Choose the correct answer from the options given below:

1. (A) < (b)="">< (c)="">< (d)
2. ="" (d)="">< (b)="">< (a)=""><>
3.  (D) < (b)="">< (c)="">< (a)
4. ="" (b)="">< (d)="">< (a)=""><>

Answer:-2

48. Antiresonance is a characteristic of

1. Oral stops
2. Plosives
3. Africatives
4. Nasal stops

Answer:-4

49. Which of the following are termed as ‘‘chemical reaction bomb’’?

(A) Hydrochloric acid and aluminum

(B) Sodium hydroxide and aluminum

(C) Calcium sulphate and aluminum

(D) Calcium carbonate and aluminum

Choose the most appropriate answer from the options given below :

1. (A) and (B) only
2. (B) and (C) only
3. (C) and (D) only
4. (A) and (D) only

Answer:-1

50. Which of the following preparations are mostly used in FSLs for the restoration of numbers from aluminum surfaces?

(A) Glycerin: Hydrofluoric acid: Nitric acid (3:2:1)

(B) Copper chloride: Hydrochloric acid: Water (200 : 5: 1000)

(C) Chromium chloride: Hydrochloric acid: water (9:12:10)

(D) Nitric acid: Hydrochloric acid: water (1:5:6)

Choose the correct answer from the options given below :

1. (A) and (D) only
2. (B) and (C) only
3. (A) and (B) only
4. (C) and (D) only

Answer:-3

In this part, questions are available from Q.1-50 of the forensic science section.

For questions 51-100 click here