FINGER PRINT SEARCHER- POLICE FINGER kerala psc previous question paper
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71/2014
Maximum : 100 marks
Time : 1 hour and 15 minutes

1. Who helped Motilal Nehru to prepare the " Nehru's Constitution" in 1928?
(A) Lala Lajpath Rai
(B)Tejbahadur Sapru
(C ) Subash Chandra Bose
(D)dawaharlal Nehru

2.Name the famous Indian political leader who was born at Panniyankara in Kozhikkode
1896:
(A) VK Krishnamenon
(B)Chettur Sankaran Nair
(C ) Pattabi Sitharamayyar
(D)VR Krishnayyar

3.Who is popularly Known as " Lion of Bengal" ?
(A) Baiagangadhara Tilak
(B)Lala Lajpath Rai
(C ) Aurobindo Ghosh
(D)Surendranath Bannerjee

4.The First Malayalam newspaper Rajyasamacharam was published in the year :
(A) 1487
(B)1687
(C ) 1847
(D)1867

5.Who banned the Slave trade of Thiruvithamcore?
(A) Chithira Thirunal Balaramavarma
(B)Sreemoolam Thirunal
(C ) Rani Lakshmibai
(D)None of the above

6.Sidhu and Kanhu were associated with the :
(A) Santhal revolt
(B)Faqir revolt
(C ) Sanyasi revolt
(D)Poligar revolt

7.Indravathi is a tributory of which river :•
(A) Krishna
(B)Kaveri
(C ) Godavari
(D)Tapti

8.The transfer of capital of India from Culcutta to Delhi was announced by :
(A) ‘ Lord Minto
(B)Lord Hardinge
(C ) Lord Curzon
(D)None of the above

9.In which session George Yule became the president of Indian National Congress :
(A) Culcutta
(B)Madras
(C ) Kanpur
(D)Allahabad

10.Constituent Assembly adopted the" Janaganamana" as India’s National Anthem on :
(A)26 January 1950
(B)24 January 1950
(C )14 August 1947
(D)15 August 1947

11.Who was the first Indian to offer Individual Sathyagraha in 1940?
.(A) Vinoba Bhave
(B) Jawaharlal Nehru
(C )Sardar VallabaiPatel
(D)Acharya Kripalani

12.The ''Bharata Matha Association" was founded in Madras by :
.(A)Lal Hardayal and Ajith Singh
(B)Nilakanda Brahmachari and Vanchi Aiyer
(C )Barindrakumar Ghosh and Jatindranath Bannerjec
(D)Sachindra Sunyal and Sufi Ambu Prasad

13.How many delegates attended the 3rd session of the Indian national 
Congress in Madras?
(A)72 .
(B)434
(C )607
(D)1248

14.The following person not related with the famous Dandi March :
(A)Krishnan Nair
(B)Raghavapoduval
(C )Sankarjee
(D)None of the above

15.Who was elected as the speaker of the Central Legislative Assembly by Swarajist in 1925?
(A)Vithalbai Patel
(B)Vallabai Patel
(C )C.R. Das
(D)- Mothilal Nehru

16.Marc Bloch and Lucien Febvre founded the: 
(A) Marxist School (C ) Post Modernist School
(B) Subaltern School (D) Annales School

17.The place where Mangal Panday revolted against company's rule :
(A)Bharackpore
(B)Sholapur
(C )Meerut
(D)Vellore

18.Name the person associated with this quotations :
"At the Stroke of midnight hour, Where the world sleeps. India will awake to life and freedom'’
(A)Mahatma Gandhi
(B)Muhammed Ali Jinnah
(C )Dr. Rajendraprasad
(D)Juwaharlal Nehru

19.The British Govt appointed a famine commission in India in 1898 under the chairmanship of:
(A) Sir Richard Strachey
(B) Sir James Lyall 
(C ) Sir Antony Mac Donnel
(D) Sir John Woodhead

20."Tuhfat - ul- Muwahidin'’ is written by :
(A) Devendranath Tagore
(B) Anandamohan Bose 
(C ) Rajaram Mohan Roy
(D) None of the above

21.The vitamin riboflavin is known as :
(A) Vitamin B1 
(B) Vitamin D 
(C ) Vitamin B6
(D) Vitamin E

22.A Water soluble vitamin is :
(A) Vitumin A 
(B) Vitamin B2 
(C ) Vitamin C
(D) Vitamin B12

23.An example of Isoquinoline Alkaloid :
(A) Piperine 
(B) Coniine 
(C ) Morphine
(D) Quinine

24.Which is an unsaturated fatty acid?
(A) lauric acid 
(B) palmitic acid 
(C ) stearic acid
(D) oleic acid

25.Kiliani-Fischer synthesis is used for :
(A) lengthening of carbon atom c 
(B) conversion of aldoses to ketoses 
(C ) shortening of carbon atom ch
(D) synthesis of ketoses

26. Pyridine reacts with a mixture of KNO; and H2SO4 at 300°C to form :
(A)l-nitropyridine
(B)2-nitropyridine
(C )4-mtropyridine
(D)3-nitropyridine

27.An amino acid containing sulphur group is :
(A)glycine
(B)alanine
(C )leucine
(D)cysteine

28.Which among the following is the most basic?
(A)Benzylamine
(B)Aniline
(C )Acetanilide
(D)p-nitro aniline

29.Which among the following is a Vat dye?
(A)Methyl Red
(B)Congo red
(C )Indigo
(D)Alizarin

30. Which type of rubber is used for making fuel filling hoses?
(A)Natural rubber
(B)Nitrile rubber
(C )Polychloroprene rubber
(D)SBR

31.Non stick frying pan is coated with :
(A)PTFE
(B)PVC
(C )PMMA
(D)PAN

32.Which drug acta both as analgesic and antipyretic?
(A)Aspirin
(B)Morphine
(C )Codinc
(D)Pamaquinine

33.The following pairs 14Si10 15p31 are :
(A)isotonic
(B)isobars
(C )isotopes
(D)none

34.A radioactive isotope has a half life period of 128.6 m its decay constant is :
(A)1/200 m-»
(B)1/300 m-'
(C )1/100 m 1’
(D)1/50 m-1

35.The bond order of ion is:
(A) 0
(B)1
(C )1.5
(D) 2

36.The percentage efficiency of a Carnotes engine working between the temperature 27°C and 127°C:
(A)25%
(B)2.5%
(C )50%
(D)5.0%

37.Which type of crystal system is Zinc oxide and graphite?
(A)Cubic
(B) Tetragonal
(C )Hexagonal
(D)Triclinic

38.The number of atoms in a body centred unit cell:
(A)4
(B)2
(C )1
(D)4.5

39.The boiling point of 0.25 molal solution of glucose (molar maas 180) in water is 101.3°C the molal elevation constant of water is :
(A)0.52°C
(B)5.2°C
(C )0.052°C
(D)1.4°C

40.A 5% solution of urea (molar mass 60) is isotonic with 3% solution of unknown compound A. What is the molecular mass of A?
(A)36
(B)3.6
(C )360
(D)72

41.20 dm3 of a gas a (molar mass 64) diffused through a porous partition in 60 seconds. What volume of B (molar mass 32) will diffuse under similar conditions in 60 seconds?
(A)10 dm3
(B)1.0 dm3
(C )100 dm3
(D)0.1 dm3

42.At what temperature would SO2 molecules have the same root mean square velocity as oxygen molecules at 27 degree centigrade :
(A)290.5 degree centigrade
(B)327degree centigrade
(C )29 degree centigrade
(D)100 degree centigrade

43.What will be the value of A G when the reaction is spontaneous:
(A)AG = 0
(B)A G = negative
(C )AG = positive
(D)None

44.How many degree of freedom will be present in a solution of sodium sulphate in equilibrium with water vapour?
(A)2
(B)4
(C )3.
(D)0

45.50% N2O4 decomposes in 10 minutes find out its velocity coefficient if the reaction is first order:
(A).0693 min '
(B)69.3 m1
(C )0.693 m-‘
(D)693 m 1

46.A polymer sample contains 5 molecules of molar mass1000g/mol, 5 molecules of molar mass
2000g/mole and 5 molecules of molar mass 3000g/mol itA number average molecular mass is :
(A)2000g/mol
(B)lOOOg/mol
(C )200.0g/mol
(D)4000g/mol

47.The electrochemical equivalent Z of Ag is .001119g calculate its equivalent mass :
(A)108
(B)10.8
(C )1.08
(D)1080

48. Which of the following has square geometry?
(A)XeF4
(B)XeOFi
(C )XcOi
(D)XeFo

49. Which isthe most abundant inert gas?
(A)He
(B)Xe
(C )N2
(D)Ar

50.Bordeaux Mixture is a mixture :
(A) FeS04 + lime 
(B) CuSO4 + lime 
(C ) NiS04 + lime
(D) None

51.Which of the following is not a sulphide ore?
(A) Copper glance
(B) Argentite 
(C ) Zinc Blende
(D) Calamine

52.Fenton's reagent is :
(A) FeSO4 + H2O2 
(B) CuSO4 -V H202 
(C ) NiSO4 + H2O2
(D) None


53. Wikinsons's catalyst is :
(A) (Pph3)s Rhcl 
(B) Ticl4+ (C3H3). A1
(C ) Pt/PtO
(D) K (Ptcl3 C2 H4|

54.What is the percentage of Ag in German Silver?
(A) 0%*
(B) 5%
(C )20%
(D)10%

55.What is the oxidation state of Cr in chromium peroxide?
(A)6
(B)8
(C )10
(D)2.5

56.Benzenediazomum chloride reacts with warm water to give :
(A)aniline
(B)phenol
(C ) benzene
(D) chlorobenzene

57.Naphthalene on treatment with concentrated sulphuric acid at 165°c produces :
(A)1-napthalene sulphonic acid
(B)2-napthulcnc sulphonic acid
(C )9-napthalene sulphonic acid
(D)no reaction

58.Which of the following is a thermosetting polymer?
(A)melanine formaldehyde resins
(B)nylon 6,6
(C )PVC
(D)teflon

59.Which of the following is a mule sex hormone :
(A)androsterone
(B)estrone
(C )progesterone
(D)estradiol

60.What type of radiation is used in NMR spectroscopy?
(A)Visible light
(B)UV light
(C )Radio Waves
(D)Microwave

61.A particle moving with velocity 'V' collides with another particle of the same masa which is at rest. The velocity of centre of masa after the collision is :
(A)2 V
(B) V
(C ) J
(D)V 2

62.In case of friction between two bodies :
(A)rolling friction > static friction > kinetic friction
(B)static friction < kinetic friction < rolling friction
(C )kinetic friction> rolling friction> static friction
(D)static friction> kinetic friction> rolling friction

63.Consider the following statements. A particle executing uniform circular motion has :
(1)tangential velocity
(2)radial acceleration
(3)tangential acceleration
(4)radial velocity
Of these statements
(A)1 and 2 are correct
(B)1 and 3 arc correct
(C )2 and 4 are correct
(D)3 and 4 arc correct

64.The escape velocity on the surface of the earth is V0. If M and R are the mass and radius of the earth respectively, then the escape velocity on another planet of mass 2M and radius R/2 will be:
(A) 4V0
(B) 2V0
(C ) V0
(D)v02 

65.The Lagrange's equations can be written as :

66.The value of wavelength for a beam of 150 volt-electron is :
(A)0.5 A
(B)1.0 A
(C )1.5 A
(D)15.0 A

67.The thermonuclear fusion of hydrogen inside the stars is taking place by a cycle of operations. The particular element which acts a a a catalyst, is :
(A)nitrogen
(B)oxygen
(C )carbon
(D)helium

68.The radius of the first orbit of hydrogen atom is 5.29 x 10 11 m. The radius of the second orbit of the hydrogen atom is :
(A) 1.32 x 10-" m
(B) 10.58 x 10 11 m
(C ) 15.87 x 10 *»m
(D) 21.16 x 10 11 m

69.Which one of the following statements regarding photo-emission of electrons is correct?
(A)Photoelectric emission is instantaneous with the incidence of light
(B)Kinetic energy of electrons increases with the intensity of incident light
(C )Electrons are emitted when the wavelength of the incident light is above a certain threshold
(D)Photoelectrons are emitted whenever a gas is irradiated with ultraviolet light

70.A particle is moving in the one-dimensional square well potential V (x) = 0, [x] < L t V (x) » [x] > L. Its energy eigen values are :
(A)E 
(B)A. - -7T
2m',2L)8 mL3
(C ) " Li f 2 8 m/;
(D)’ 8**U I.)

71.Bose-Einstein statistics is applicable to systems of: 
(A) half integral spin (C ) protons only
(B) electrons only (D) integral spin

72.From a black body heated to 1000K the maximum intensity of emitted radiation is marked at wavelength If the temperature is increased to 3000K, the intensity will be shifted to wavelength given by a X where a is :
(A)3
(B)±
(C )9
(D)1/9

73.The temperature of a gas is held constant while its volume is decreased. The pressure exerted by the gas on the walls of the container increases because its molecules :
(A)strike the walls with higher velocities
(B)strike the walls with larger force
(C )are in contact with the walls for u shorter time
(D)strike the walls more frequently

74.Diamagnetism is explained in terms of:
(A)Orbital motion of the electron
(B)Spin motion of the electron
(C )Both orbital and spin motion of the electron
(D)Orbital and spin motion of nucleus

75.On a temperature(T), entropy (S) diagram, the isothermals are :
(A) parallel to S axis
(B) parallel to T axis
(C ) may have any orientation
(D) none of the above

76.After losing a number of alpha particles and beta particles (electrons)is changed to
X. The total no. of particles produced in this process is :
(A)5
(B)8
(C )16‘
(D)14

77.The minimum energy of the gamma ray photon required for the production of an electron positron pair is ;
(A)4.44 MeV
(B)2.22 McV
(C )1.11 MeV
(D) 3.33 MeV

78.The mass of a proton is m . Then the nuclear magnetron is given by

79.Rutherford’s experiment on the atom demonstrated :
(A)the approximate size of a nucleus
(B)the presence of neutrons inside an atom
(C )the approximate size of an atom
(D)the revolving of electrons in atomic orbits

80.For a neutron the spin magnetic moment is :
(A) zero, as it is chargeless
(B) in the same direction as spin
(C ) perpendicular to the direction of spin 
(D) opposite in direction to the spin

81.In Young's experiment, the phase difference between two waves at a point where destructive interference tabes place is :
(A)0
(B)4
(C )K 2
(D)n

82.Mirage is a phenomena due to :
(A) reflection of light
(C ) total internal reflection of light
(B) interference of light 
(D) diffraction of light

83.A small object lies on the axis of a cylindrically symmetric optical system. The image will suffer from :
(A)spherical aberration, coma and astigmatism
(B)spherical aberration and coma
(C )spherical aberration and astigmatism
(D)spherical aberration

84.Two thin lenses have a combined power of +10 dioptres. When separated by 20 cm, their equivalent power is +6.25 dioptres. Their individual powers, in dioptres, are:
(A) 7.5 and 2.5
(B) 3.5 and 6.5
(C ) 5.0 and 5.0
(D) 9.0 and 1.0

85.Two photons recede from each other. Their relative velocity will be :
(A)0.
(B) c
(C )e/2 |
(D)2 c

86.In the Fourier series f (x) - f (0) +   cos nx - £ sin nx the value of a„ is given by :
(A) o. * | f (x) cos nx dx
(B)an - — J f (x) cos nx dx
(C ) a = — f f (x) sin nx dx
(D) a„ = -j— f f (x) sin nx dx

87.In a half adder, the Boolean equations for the outputs are :
(A)SUM = A+B,CARRY=A  B
(B)SUM = A© B. CARRY=AB
(C )SUM=A+B,CARRY=B
(D)SUM= A -B, CARRY= A © B

88.Which of the following are true in case of negative feedback amplifiers?
(1) Stability of the amplifier increases
(2) Distortion of the amplifier decreases
(3)Noise in the amplifier decreases
(4)Band-width of the amplifier decreases.
Select the correct answer using the codes given below Codes:
(A)1,2 and 3
(B)1. 2 and 4
(C )1,3 and 4
(D)2, 3 and 4


89.The flip-flop which gives unpredictable output when both inputs are high is :
(A) JK flip-flop
(B) D flip-flop
(C ) RS flip-flop
(D) T flip-flop

90.in normal Zeeman effect, the frequency separation of the Zeeman lines form the centre line is :

91.A total capacitance of A fi F can be obtained by combining four capacitors of 3 // F each. If:
(A)all the capacitors are in parallel
(B)all the capacitors are in series
(C )three capacitors are in series and one capacitor is in parallel to that of the combination
(D)one capacitor is in series with the combination of three capacitors in parallel

92.An LCR circuit contains a varying e.m.f e ■ em cosoft. At resonance, the amplitude of the oscillating current is fully determined in terms of and :
(A)K
(B)L andC
(C )LandR
(D)C andR

93.A wire carrying a 30 A current has a length of 12 cm between the pole pieces of a magnet at an angle of 60° with respect to the Geld direction. If the magnetic field has a uniform value of 0.90 T, then the force on the wire will be :
(A)280 N
(B)28 N
(C ) 2.8 N.
(D) 0.28 N

94.A horizontal overhead power line carries a current of 100A directed from West to East. The magnetic field due to the current 2m below the line is :
(A)1.00 x105 T towards South
(B)1.00 x105 T towards North
(C )3.14 x10-6 T towards South
(D)3.14 x105 T towards North

95.At a point on the axis of an electric dipole,:
(A)the electric field is zero
(B)the electric potential is zero
(C )neither the electric field nor the electric potential is zero
(D)the electric field is directed perpendicular to the axis

96.The Bragg condition for reflection from a crystal (d = Spacing of the lattice planes, 0- Angle which the incident neutron beam makes with the planes) is :
(A) n A = 2d sin &
(B)/.  2 nd sin 0
(C )dAs\n0
(D)d-nAsinO

97.The terminal velocity of a spherical ball of radius 2r falling under gravity in a viscous fluid is* V. The terminal velocity of another spherical ball of the same material but of radius r will be :


98.A capillary tube of length less than the Hcapillary height" for a given liquid is dipped in that liquid. Then the liquid will :
(A) overflow
(B)rise to thetopand bulge out
(C )rise to the top and the curvature of the meniscus will decrease
(D)not rise tothetop

99.One end of a string is connected to an electrically maintained vibrating bar while the other end is made to pass over a frictionlcss pulley. The free end is then loaded so that the string is under tension Tx. The string vibrates in x, segments as the bar vibrates in trnnsverse mode. If the tension is changed to Tit the string vibrates in x2 segments. Then :


100.Consider the following statements. Ultrasonic waves can be produced by a 
(1)magnetron oscillator
(2)magnetostriction oscillator
(3)klystron oscillator
(4)piezoelectric oscillator Of these statements
(A) 1 and A are correct
(B) 2 and 3 are correct
(C ) 1 and 3 are correct
(D) 2 and 4 are correct
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