1. One of the major limitation of conventional light microscope is, shallow depth of the field, overcome by applying an adjustable beam of highly intense light to the area under illumination in:
(1) Confocal Microscope
(2) Laser Doppler Microscope
(3) Deepfield Microscope
(4) Ultraviolet Microscope
Answer:
(3) Deepfield Microscope
2. Aqua fortis is also known by:
(1) Sulphuric acid
(2) Hydrochloric acid
(3) Nitric acid
(4) Acetic acid
Answer:
(3) Nitric acid
3. To initiate explosion in non-sensitive high explosive, one can use:
(1) Booster
(2) Timer
(3) Missile
(4) Electrical Circuit
Answer:
(1) Booster
4. Large amount of urea is found in:
(1) Urine
(2) Feces
(3) Breast milk
(4) Vaginal secretions
Answer:
(1) Urine
5. Which matrix is best suited for analysis of fetal drug exposure?
(1) Saliva
(2) Urine
(3) Vomit
(4) Meconium
Answer:
(4) Meconium
6. By adding a few drops of Duquenois reagent followed by few drops of concentrated hydrochloric acid on dry cannabis herbal material gives characteristic effervescence due to:
(1) Δ9-tetrahydrocannabinol
(2) Cannabidiol
(3) Cystolithic hair
(4) Cocaine
Answer:
(3) Cystolithic hair
7. Assertion (A) : Telomere shortening is a potential method of age estimation.
Reason (R) : During cell-division telomeres shorten at the rate of 10 – 20 base pairs/cell division.
In the context of two statements, which one of the following is correct?
(1) (A) is correct, but (R) is wrong.
(2) Both (A) and (R) are correct.
(3) (A) is wrong, but (R) is correct.
(4) Both (A) and (R) are wrong.
Answer:
(1) (A) is correct, but (R) is wrong.
8. Which of the following is a sign of traced forgery?
(1) Uninked outlines
(2) Ghost lines of carbon
(3) Flying starts and terminals
(4) Both uninked lines and Ghost lines of carbon
Answer:
(4) Both uninked lines and Ghost lines of carbon
9. Spot test of RDX with thymol reagent gives the following colour:
(1) Green
(2) Blue
(3) Deep Red
(4) Brown
Answer:
(3) Deep Red
10. What is the initial action associated with explosion of a device fitted with time pencil?
(1) Pull
(2) Pressure
(3) Pressure release
(4) Tension release
Answer:
(2) Pressure
11. A person committed suicide by a revolver. In order to implicate his opponent, his son took the same revolver and fired a second shot at his father. But the post-mortem examination proved that the second shot was a post-mortem shot. Then his son admitted that he had himself fired the second shot to implicate his opponents. Which of the following principles of Forensic Science had helped in the determination of truth?
(1) Principle of Analysis
(2) Principle of Comparison
(3) Principle of Individuality
(4) ‘Facts do not lie, men can and do’
Answer:
(4) ‘Facts do not lie, men can and do’
12. D13S317 and TPOX are:
(1) STR markers
(2) Types of viruses
(3) Regions of mt DNA
(4) Restriction enzymes
Answer:
(1) STR markers
13. When the Director, Dy. Director, Assistant Director of a Forensic Science Lab are summoned by a court, he may depute any officer conversant with the case. This provision is made under:
(1) Section 291, Cr P.C.
(2) Section 293 Cr. P.C.
(3) Section 295 Cr. P.C.
(4) Section 297 Cr. P.C.
Answer:
(2) Section 293 Cr. P.C.
14. In chromatography band broadening due to longitudinal diffusion resulting from random motion of the molecule inside column is known as:
(1) ‘A’ term
(2) ‘B’ term
(3) ‘C’ term
(4) ‘D’ term
Answer:
(2) ‘B’ term
15. Assertion (A) : NAA shows great sensitivity for many elements.
Reason (R) : Absolute sensitivities of detection in NAA does not depend on atomic weight of element, irradiation time and decay period.
Codes:
(1) Both (A) and (B) are correct.
(2) Both (A) and (R) are incorrect.
(3) (A) is correct and (R) is incorrect.
(4) (A) is incorrect and (R) is correct.
Answer:
(3) (A) is correct and (R) is incorrect.
16. Pistols like the 9 mm Browning pistol are generally semi-automatic. In these pistols, which of the following is true at the instant of their firing?
(1) The bolt is not locked to the barrel during firing, then the fired cartridge case and bolt both move backwards for unloading and reloading.
(2) The bolt is locked to the barrel. First it gets unlocked from the barrel and then the fired cartridge case and bolt both move backwards for unloading and reloading.
(3) Bolt is locked to barrel. Both move backwards and get separated when the pressure in the cartridge case reduces to a safe value. Then the process of unloading and reloading takes place.
(4) Bolt is locked to barrel. Both move backwards to the full extent. Then the automatic mechanism of long recoil operation takes place.
Answer:
(3) Bolt is locked to barrel. Both move backwards and get separated when the pressure in the cartridge case reduces to a safe value. Then the process of unloading and reloading takes place.
17. Which one of the following group of pesticides are of plant origin?
(1) Carbonates
(2) Pyrethrin
(3) Triazines
(4) Phosphides
Answer:
(2) Pyrethrin
18. During absorption of drug in human body through passive diffusion, the rate of diffusion is determined by:
(1) Fick’s law
(2) Henry’s law
(3) Beer’s law
(4) Schanker’s law
Answer:
(1) Fick’s law
19. Benzimidazoles, Dithiocarbonates, Acylalanines are examples of:
(1) Rodenticides
(2) Herbicides
(3) Molluscicides
(4) Fungicides
Answer:
(4) Fungicides
20. The morphine content of opium is standardized in the Government Opium factory located at:
(1) Ghaziabad
(2) Gurgaon
(3) Ghazipur
(4) Gwalior
Answer:
(4) Gwalior
21. Which of these tests is used to detect fecal stain?
(1) Single-test-tube fluorimetry
(2) Edelman
(3) DNA
(4) Takayama
Answer:
(2) Edelman
22. Cathinone is an active constituent obtained from:
(1) Cannabis
(2) Cocaine
(3) Mushroom
(4) Khat
Answer:
(4) Khat
23. A military duplex bullet consist of:
(1) Two sharp point bullets, the rear one being canted
(2) Two soft-point bullets, the rear one being canted
(3) Two silver-tip bullets, the rear one being canted
(4) Front bullet is sharp pointed and the rear bullet is silver-tip canted bullet
Answer:
(1) Two sharp point bullets, the rear one being canted
24. Ossification centre in upper end of fibula appears at the age of:
(1) Birth
(2) 4 years
(3) 10 years
(4) 16 years
Answer:
(2) 4 years
25. Caspers’ dictum is used in relation to:
(1) Rigor Mortes
(2) P.M. Staining
(3) Putrefaction
(4) Mummification
Answer:
(3) Putrefaction
26. Which of these Immunoglobulins (Ig) fights infection in mucus membranes ?
(1) IgG
(2) IgM
(3) IgA
(4) IgD
Answer:
(3) IgA
27. A certain repetitive pattern of a criminals behaviour is called his:
(1) Probability
(2) Passion
(3) Corpus delicti
(4) Modus operandi
Answer:
(4) Modus operandi
28. Puranen’s test is used to detect:
(1) Semen
(2) Blood
(3) Tears
(4) Urine
Answer:
(1) Semen
29. Which of the following statement is true?
Increasing the velocity of bullet results in:
(1) Increased air-resistance on bullet
(2) Increased yaw of bullet in its motion in air
(3) For its stability in flight, the pitch of rifling has to be reduced
(4) All the above
Answer:
(4) All the above
30. Age at which victim of rape can authorize press to publish her name and picture ?
(1) 12 years
(2) 16 years
(3) 18 years
(4) 21 years
Answer:
(3) 18 years
31. In chromatography very high number of theoretical plates can be achieved by using:
(1) Normal column
(2) Capillary column
(3) Thin layer
(4) ODS normal bore column
Answer:
(2) Capillary column
32. Match the following:
List-I | List-II |
a. Benzidine | i. Green |
b. O-Tolidine | ii. Fluorescence |
c. Phenolphthalein | iii. Blue |
d. Luminol | iv. Pink |
Codes:
a | b | c | d | |
1. | iii | i | iv | ii |
2. | iv | iii | i | ii |
3. | i | iii | ii | iv |
4. | iii | ii | i | iv |
Answer:
1.
33. In activation analysis, once the sample is activated using source of neutron, the sample is identified and quantified using:
(1) UV spectrometer
(2) Mass spectrometer
(3) Gamma ray spectrometer
(4) NMR
Answer:
(3) Gamma ray spectrometer
34. In a human mandible:
I. Symphysis menti is squarish in males.
II. Condyles are smaller in males.
III. Angle of body and ramus is < 125° in males.
IV. Breadth of acending ramus is lesser in males.
Codes:
(1) I, II and III are correct.
(2) I and III are correct.
(3) III and IV are correct.
(4) I and II are correct.
Answer:
(2) I and III are correct.
35. Regarding ossification of hyoid bone Consider the following statements and choose the correct answer from the codes given below:
I. Hyoid ossifies from 6 centres
II. Ossification in greater cornu begins at 10 lunar month of intrauterine life
III. Ossification in lesser cornu begins at 16 years
IV. Greater cornu never unite with the body of hyoid
Codes:
(1) I, II and III are correct.
(2) I and III are correct.
(3) III and IV are correct.
(4) I and II are correct.
Answer:
(1) I, II and III are correct.
36. Analysis of organic constituents of soil can be accomplished with the help of following instrumentation technique :
(1) AAS
(2) NAA
(3) HPLC
(4) SEM
Answer:
(3) HPLC
37. Sparkling wine contains a considerable amount of:
(1) Sugar
(2) Distilled alcohol
(3) Carbon dioxide
(4) Added flavanoids
Answer:
(3) Carbon dioxide
38. Which one of the following is used as a bittering agent in tonic water?
(1) Nicotine
(2) Morphine
(3) Quinine
(4) Ketamine
Answer:
(3) Quinine
39. Most screening tests for blood depend on the peroxidase activity of:
(1) Haem
(2) Antibody
(3) Urine
(4) Protein
Answer:
(1) Haem
40. HPLC using single piston reciprocating pump fitted with “Bourdon Coils” is used for/as:
(1) Sample injection
(2) Column
(3) Pulse dampener
(4) Flow controller
Answer:
(4) Flow controller
41. An antibody is produced by combining the target antigen with a carrier molecule. Such antigen is termed as:
(1) Antiserum
(2) Polyclonal mixture
(3) Immunoglobulins
(4) Hapten
Answer:
(4) Hapten
42. The main constituent of military dynamite is:
(1) Nitroglycerine
(2) Black powder
(3) RDX
(4) TNT
Answer:
(3) RDX
43. Earliest putrefactive change is:
(1) Marbling
(2) Greenish discoloration of right iliac fossa
(3) Colliquative putrefaction
(4) Post mortem blisters
Answer:
(2) Greenish discoloration of right iliac fossa
44. A cloud of brown crystals are formed in Florene test due to formation of:
(1) Choline periodide
(2) Potassium iodine
(3) Choline iodide
(4) Potassium periodide
Answer:
(1) Choline periodide
45. Which of the following is the earliest system of dental charting?
(1) Zsigmondy system
(2) Palmer system
(3) Navy notation
(4) Haderup notation
Answer:
(1) Zsigmondy system
46. The modern percussion – lock fire arms are the result of initial discoveries made by:
(1) Remington
(2) Smith & Wesson
(3) James Forsythe
(4) Webley & Scott
Answer:
(3) James Forsythe
47. Match the following:
List-I | List-II |
a. Ted Bundy | i. Skull-photo superimposition |
b. Buck Ruxton | ii. DNA Fingerprinting |
c. Kangali Charan | iii. Fingerprints |
d. Colin Pitchfork | iv. Bite marks |
Codes:
a | b | c | d | |
1. | iv | i | iii | ii |
2. | i | iv | ii | iii |
3. | ii | i | iii | iv |
4. | iii | ii | i | iv |
Answer:
1.
48. The Locus-I, in PGM system are of great importance due to their higher degree of:
(1) Polymorphism
(2) Mobility
(3) Enzyme Contents
(4) Protein Contents
Answer:
(1) Polymorphism
49. Which of the following type of the sweat glands are found in ridged skin?
(1) Sebaceous glands
(2) Apocrine glands
(3) Eccrine glands
(4) Both Eccerine and Apocrine glands
Answer:
(3) Eccrine glands
50. Which of the following is the correct expanded form of the term ‘MSDS’?
(1) Medical Superintendent for Drug Safety
(2) Montreal Society for Drug Safety
(3) Material Safety Data Sheet
(4) Material Sorting and Distribution Sheet
Answer:
(3) Material Safety Data Sheet