Crime scene photography involves:
(i) Indoor and outdoor photography
(ii) Micro and macro photography
(iii) Scaled and labeled photography
(iv) Normal lighting and oblique lighting
a.
(i), (ii), (iii) are correct and (iv) is not correct
b.
(i), (ii), (iv) are correct and (iii) is not correct
c.
(i), (ii), (iii) and (iv) are correct
Correct Answer
d.
(ii), (iii) and (iv) are correct and (i) is not correct
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Q2mcq
The ability to establish the exact whereabouts of an item of evidence and under whose control it was from
its collection to the court of law and everywhere in between is known as maintaining the
a.
Chain of command
b.
Continuity of investigation
c.
Chain of custody
Correct Answer
d.
Business records circle
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Q3mcq
Class characteristics of an evidence material collected from the scene of crime.
a.
Have little evidentiary value
b.
Are useful for including a suspect with a high degree of certainty
c.
Are useful for excluding a suspect
Correct Answer
d.
(A) and (C)
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Q4mcq
Which of the following is best suited for collection, preservation and transportation of blood stained
clothing?
a.
Metal boxes
b.
Sealable plastic bags
c.
Paper bags
Correct Answer
d.
Druggist fold
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Q5mcq
Which of the following are individual characteristics?
(a) A new automobile tyre impression
(b) A fingerprint
(c) A spent bullet cartridge from a rifled weapon
(d) A mass produced synthetic fibre
a.
(b) and (c)
Correct Answer
b.
(a) and (b)
c.
(c) and (d)
d.
(a) and (c)
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Q6mcq
Arrange the following in sequential order in an explosive train:
1. Detonator
2. Igniter
3. Containment
4. Main charge
a.
1, 2, 3, 4
b.
2, 3, 4, 1
c.
2, 1, 3, 4
d.
2, 1, 4, 3
Correct Answer
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Q7mcq
What is fire?
a.
Rapid oxidation similar to rusting process
b.
Flame that produces heat, smoke and light
c.
Rapid oxidation process with evolution of light and heat
Correct Answer
d.
Slow reduction process with evolution of heat
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Q8mcq
Tri Nitro Toluene (TNT) is a
a.
Low explosive
b.
High explosive
Correct Answer
c.
Booster
d.
Detonator
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Q9mcq
The most common evidence of an explosion is:
(i) Fragmentation effects
(ii) Blast pressure
(iii) Thermal effects
(iv) All of the above
a.
(i)
b.
(iv)
Correct Answer
c.
(ii)
d.
(iii)
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Q10mcq
The decomposition of solid organic matter by heat is called
a.
Oxidation
b.
Ignition
c.
Convection
d.
Pyrolysis
Correct Answer
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For recovery of serial marks marked by the manufacturer on a firearm, reagent used is:
1. Vinella's solution
2. Fry's reagent
3. Hume-Rothery solution
4. Scott reagent
a.
1, 2, 3 correct
b.
2, 3, 4 correct
c.
1, 3, 4 correct
d.
1, 2, 4 correct
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In forensic science, the term identification refers to:
(a) Placement of an inanimate object into its proper class
(b) Individualization of an inanimate object
(c) Establishing the identity of a person
a.
(a) only
b.
(a) and (c) only
c.
(a) and (b) only
d.
(b) only
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According to cosmic panspermia theory proposed by Arrhenius, which of the following statements are
true?
(i) Life existed throughout the universe
(ii) Spores etc. could freely travel through space from one planet to other
(iii) Life was throw on the earth with falling meteorites
(iv) Protoplasm reached the earth in the form of spores or germ
a.
(i) only
b.
(i) and (iii) only
c.
(i) and (ii) only
d.
(ii) and (iii) only
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If a fresh victim is found midafternoon and the insect analysis indicates that the eggs were laid on the
body at around 8.00 a.m., that means the person has been dead since at least
a.
12.00 noon
b.
10.00 a.m.
c.
8.00 a.m.
d.
6.00 a.m.
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Match the common name of insects correctly with their binomial nomenclature:
(a) Grasshopper - 3. Colemania sphenarioides
(b) Black hairy caterpillar - 4. Estigmene lactinea
(c) Pink stem borer - 1. Sesamia inferens
(d) Beet armyworm - 2. Spodoptera exigua
a.
(a)-3, (b)-4, (c)-1, (d)-2
b.
(a)-2, (b)-4, (c)-1, (d)-3
c.
(a)-4, (b)-2, (c)-1, (d)-3
d.
(a)-1, (b)-4, (c)-3, (d)-2
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A marriage between a polydactylous man and normal woman reproduces three children: a polydactylous
daughter, a polydactylous son and normal son (Gen II). If the polydactylous daughter marries a normal man,
their children are expected to be:
a.
2 polydactylous and 2 normal
b.
1 polydactylous and 3 normal
c.
3 polydactylous and 1 normal
d.
4 polydactylous
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The X-chromosomes in mammalian female, one of which is active and remains euchromatic, whereas the
other is inactive and forms a condensed body at interphase called
a.
Barr body
b.
Microchromosomes
c.
Heterochromatin
d.
Facultative heterochromatin
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Match correctly the species of the same phylum:
1. Scorpion, Spider, Flies
2. Obelia, Hydra, Sycon
3. Planaria, Fasciola, Taenia
4. Nereis, Leech, Snail
a.
1 and 2 are correct
b.
1 and 3 are correct
c.
2 and 3 are correct
d.
2 and 4 are correct
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The general voltage equation of a frequency modulated wave is (Wc $=$ frequency of carrier wave, Ws $=$
angular frequency of audio signal, mf $=$ modulation index):
a.
e $=$ Ec cos(Wc t + mf sin Ws t)
b.
e $=$ Ec cos(Wc $θ$ + mf sin Ws t)
c.
e $=$ Ec cos(Wc t - mf sin Ws t)
d.
e $=$ Ec cos(Ws t + mf sin Wc t)
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Which of the following statements are true about JFET?
(i) JFET is a three terminal semiconductor device.
(ii) The input circuit of a JFET is always reverse biased.
(iii) The three terminals of a JFET are: emitter, base, collector.
a.
(i) only
b.
(i) and (iii) only
c.
(i) and (ii) only
d.
(ii) and (iii) only
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Assertion [A]: In a JFET, common source connection is most widely used.
Reason [R]: Common source connection provides high input impedance, good voltage gain and moderate
output impedance.
a.
[A] is true, but [R] is false
b.
Both [A] and [R] are true and [R] is the correct explanation of [A] is true
c.
[A] is false, but [R] is true
d.
Both [A] and [R] are true, but [R] is not the correct explanation of [A]
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Assertion [A]: In the study of K-map, min terms and max terms are repeatedly used.
Reason [R]: Min terms are associated with sum of product form (SOP) and max terms with product of sum form
(POS).
a.
[A] is false, but [R] is true
b.
Both [A] and [R] are true and [R] is the correct explanation of [A] is true
c.
[A] is true, but [R] is false
d.
Both [A] and [R] are false
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Assertion [A]: A transistor transfers a signal from low resistance path to high resistance path.
Reason [R]: Transistor has two PN junctions: one forward biased and other reverse biased.
a.
[A] is true, but [R] is false
b.
Both [A] and [R] are false
c.
Both [A] and [R] are true and [R] is the correct explanation of [A] is true
d.
[A] is false, but [R] is true
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Which of the following statements are incorrect with LCD?
(i) Very compact and light weight
(ii) No geometric distortion
(iii) Consumes less power
(iv) It cannot be easily interfaced with a 4-bit or 8-bit microprocessor
a.
(i) only
b.
(ii) only
c.
(iii) only
d.
(iv) only
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Which of the following statements are incorrect about transistor?
(i) Transistor can be used as an amplifier
(ii) Base of a transistor is heavily doped
(iii) For amplifier, it is always in CB arrangement
(iv) Transistor can be used as an oscillator
a.
(i) and (ii) only
b.
(ii) and (iii) only
c.
(i) and (iii) only
d.
(ii) and (iv) only
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Which of the following statements are correct in accordance with diodes?
(i) Forward power rating for Ge diode is 0.7 V
(ii) Ratio of reverse to forward resistance for Ge diode is 40000:1
(iii) Ratio of reverse to forward resistance for Si diode is 1000000:1
(iv) Forward power rating for Si diode is 0.3 V
a.
(i) only
b.
(ii) and (iii) only
c.
(iv) only
d.
(i) and (iv) only
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Check validity of matching statements:
(i) Cloud stack - Alter cloud according to user requirement
(ii) Amazon S3 - Simple storage service
(iii) Cloud storage - Module of offline storage
(iv) Salesforce - IaaS
a.
(i) and (ii)
b.
(ii) and (iv)
c.
(i) and (iv)
d.
(ii) and (iii)
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What is the primary goal of a Database system?
(i) Retrieve information from Database
(ii) Store new information in Database
(iii) Build good applications with standard backends
(iv) Build client server applications
a.
(i) and (ii)
b.
(i), (ii), (iii) and (iv)
c.
(iv)
d.
(iii) and (iv)
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Check validity of statements:
1. ADSL was introduced over PSTN
2. Two major mobile communication systems are GSM and CDMA
3. Sending and receiving simultaneously is half-duplex
4. Mobile connections overtake fixed lines
a.
1, 2, 3, 4 are valid
b.
1 and 2 are valid
c.
2, 3 and 4 are valid
d.
1, 2 and 4 are valid statements
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Choose right pairs:
1. Mainframe Computers - IBM 4381, CDC 6600
2. Supercomputers by India - PARAM, AIRAWAT
3. Mini computers - Single user only
4. Produces supercomputer in India - C-DAC
a.
1 and 2 are correct
b.
1, 2, 3, 4 are correct
c.
1, 2 and 4 are correct
d.
2, 3, 4 are correct
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Assertion [A]: Victimization surveys estimate gap between reported and unreported crimes.
Reason [R]: These surveys help direct attention to experiences of victims.
a.
[A] is correct, but [R] is wrong
b.
Both [A] and [R] are correct
c.
[A] is wrong, but [R] is correct
d.
Both [A] and [R] are wrong
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Match Theories of Victimology:
(a) Victim precipitation theory - 1. Suggests victims play role in triggering crime
(b) Learned helplessness - 2. Victims develop sense of powerlessness
(c) Just World Theory - 3. People blame victims to maintain belief in fair world
(d) Trauma theory - 4. Focuses on psychological/emotional impact
a.
(a)-4, (b)-3, (c)-2, (d)-1
b.
(a)-2, (b)-1, (c)-3, (d)-4
c.
(a)-1, (b)-2, (c)-3, (d)-4
d.
(a)-3, (b)-4, (c)-1, (d)-2
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Match criminologists with concepts:
(a) Albert Cohen - 4. Delinquent sub-culture
(b) Travis Hirschi - 3. Control theory
(c) A.M. Guerry - 2. Environmental criminology
(d) Messner and Rosenfeld - 1. Institutional anomie theory
a.
(a)-4, (b)-3, (c)-2, (d)-1
b.
(a)-1, (b)-3, (c)-2, (d)-4
c.
(a)-2, (b)-3, (c)-4, (d)-1
d.
(a)-3, (b)-4, (c)-2, (d)-1
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Which of the following are incorrectly paired?
1. Tobacco rattle virus - Tobacco
2. Tungro virus - Cauliflower
3. Cauliflower mosaic virus - Rice
4. Potato virus Y - Potato
a.
1 and 4
b.
2 and 3
c.
1 and 2
d.
Only 4
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Statements true about plant pathogenic bacteria:
(i) Agrobacterium tumefaciens causes crown gall
(ii) Erwinia amylovora causes fire blight
(iii) Xylella fastidiosa is xylem-limited bacterium
a.
(i) only
b.
(i) and (ii) only
c.
(i) and (iii) only
d.
(iii) only
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Assertion [A]: A primary standard solution is prepared by direct weighing.
Reason [R]: Sodium hydroxide is hygroscopic, so it cannot be a primary standard.
a.
[A] true, [R] false
b.
Both true and [R] is correct explanation
c.
[A] false, [R] true
d.
Both true, but [R] is not correct explanation of [A]
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Statements true about XRD methods:
(i) Rotating crystal method determines size of unit cell
(ii) Powder / Debye-Scherrer method determines space lattice/parameters
(iii) Laue method determines crystal symmetry and orientation
a.
(i) only
b.
(i) and (iii) only
c.
(i) and (ii) only
d.
(ii) and (iii) only
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Conditions to achieve sustained interference pattern:
(i) Waves must be of similar types
(ii) Wave sources must be coherent
(iii) Waves must have comparable amplitudes
a.
(i) only
b.
(i) and (ii)
c.
(ii) only
d.
(i), (ii) and (iii)
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Fresnel's biprism set-up can be used to:
(i) Determine wavelength of light
(ii) Determine intensity of light
(iii) Determine thickness of thin transparent sheet
a.
(i) only
b.
(ii) only
c.
(iii) only
d.
(i) and (iii) / (i), (ii) and (iii)
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Which of the following are examples of impulsive force?
(i) A ball falling in free space
(ii) Blow of hammer on a pile
(iii) Force exerted by bat on cricket ball
a.
(i) and (ii) only
b.
(i) and (iii) only
c.
(i) only
d.
(ii) and (iii) only
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Postulate of special theory of relativity:
(i) Laws of motion same for mechanical systems
(ii) Laws of physics are same in all inertial frames of reference
(iii) Conservation of momentum same for all physical systems
a.
(i) and (iii)
b.
(ii) and (iii)
c.
(ii) only
d.
(i) and (ii)
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Which statements are correct?
(i) Fermented drinks are alcoholic beverages
(ii) Brewed and fermented drinks are alcoholic beverages
(iii) Carbonated drinks are alcoholic beverages
(iv) Distilled drinks are alcoholic beverages
a.
(i), (ii) and (iii)
b.
(i), (iii) and (iv)
c.
(ii), (iii) and (iv)
d.
(i), (ii) and (iv) are correct
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Match color spot tests with drugs:
(a) Marihuana - 3. Duquenois-Levine test
(b) Cocaine - 4. Scott test
(c) Barbiturates - 1. Dille-Koppanyi test
(d) LSD - 2. Ehrlich's test
a.
(a)-3, (b)-4, (c)-1, (d)-2
b.
(a)-2, (b)-3, (c)-1, (d)-4
c.
(a)-4, (b)-3, (c)-2, (d)-1
d.
(a)-3, (b)-4, (c)-2, (d)-1
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