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CUSAT CAT 2023 Question Paper Physics Chemistry Maths Shift V

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CUSAT CAT 2023 Question Paper Physics Chemistry Maths Shift V – Text

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Page 1

TEST FOR PHYSICS CHEMISTRY MATHEMATICS SHIFT V

PHYSICS UG SHIFT V
(FINAL)

1. The closest length of the simple pendulum which ticks seconds (seconds pendulum)
must be

(A) 1m
(B) 1.5 m
(C) 2m
(D) 10 cm

2
2. A force of 1 KN is applied to a wire of cross section 10 µm results in an increase in
its length by 0.1%. The Young’s modulus of the wire will be

(A) 1012 Nm−2
(B) 10 GNm−2
(C) 1011 Nm−2
(D) 106 MNm−2

3. Which one of the following statements about soap bubble is TRUE?

(A) Excess pressure in a soap bubble is inversely proportional to surface tension
(B) Excess pressure in a soap bubble is directly proportional to its radius
(C) Excess pressure in a soap bubble is directly proportional to square of its radius
(D) Excess pressure in a soap bubble is directly proportional to surface tension

4. A hole is drilled on a copper sheet. The diameter of the hole at room temperature is
4.25 cm. The diameter of the hole when the sheet is heated to 70°C will be

(A) 4.25 cm only
(B) more than 4.25 cm
(C) less than 4.25 cm
(D) data insufficient to predict

Page 2

5. A monoatomic gas at a certain pressure P1 and volume V1 is compressed adiabatically
to one-eighth of its original volume. What is the final pressure of the gas? Given the γ
5
of an ideal monatomic gas =
3

(A) P1
P1
(B)
8
(C) 64 P1

(D) 32 P1

6. If Vrms is the root mean square value of velocity, Vav is the average velocity and
Vmp velocity of the molecules of a gas, which one of the following is true?

(A) Vrms = Vav ≠ Vmp
(B) Vrms < Vav < Vmp
(C) Vrms > Vav > Vmp
(D) Vrms ≠ Vav = Vmp

−31
7. An electron of mass of the order of 10 kg carries a charge of the order of
−19
10 Coulomb. Then the charge carried by 1 kg of electrons will be of the order of
12
(A) 10 Coulomb
(B) 10−12 Coulomb

(C) 10−50 Coulomb
50
(D) 10 Coulomb

8. Angle between equipotential surface and lines of force of an electric field is

(A) zero
(B) 90°
(C) 180°
(D) 45°

Page 3

−3
9. The magnetic susceptibility of a certain paramagnetic substance at −73°C is 6 × 10 .
Its susceptibility at −173°C will be

(A) 1.2 × 10−2

(B) 1.8 × 10−3

(C) 3 × 10−3

(D) 4.5 × 10−3

10. Match List - I (Electromagnetic wave type) with List - II (its association/application)
and select the correct match option from the choices given below:

List - I List - II
(a) Infrared waves (i) To treat muscular strain
(b) Radio waves (ii) For broadcasting
(c) X-rays (iii) To detect fracture of bones
(d) Ultraviolet rays (iv) Absorbed by the ozone layer of
the atmosphere

(A) (a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)
(B) (a) - (i), (b) - (ii), (c) - (iv), (d) - (iii)
(C) (a) - (iii), (b)- (ii), (c) - (i), (d) - (iv)
(D) (a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)

11. In hydrogen atom, an electron makes a transition from orbit n = 4 to n = 2. The wave
number of the emitted radiation will be (R = Rydberg’s constant)

16
(A)
3R
2R
(B)
16
3R
(C)
16
4R
(D)
16

12. An electric iron box of rating 1000 W was used for 5 hours per day for 20 days. The
electrical energy utilized is then

(A) 200 kWh
(B) 120 kWh
(C) 100 kWh
(D) 500 kWh

Page 4

13. The limit of resolution of a microscope is given by the formula ( λ is wavelength, n is
refractive index and θ is semi vertical angle)

λ
(A)
2sin θ
1.22λ
(B)
2sin θ
λ
(C)
2n sin θ
1.22λ
(D)
sin θ

14. A projectile thrown at an angle of 45° with horizontal attains a maximum height of h1.
Another projectile thrown with the same velocity, at an angle of 30° attains a
maximum height h2. The relation between h1 and h2 is

h
(A) h1 = 2
2
(B) h1 = h2

h
(C) h1 = 2
2
(D) h1 = 2h2

15. Which of the following quantities does NOT change periodically for a particle
performing SHM?

(A) Velocity
(B) Acceleration
(C) Displacement
(D) Total energy

Page 5

16. The following figure shows the displacement of a particle along the x-axis as a
function of time. The force acting on the particle is zero in the regions

(A) AB, DE
(B) BC, CD
(C) AB, CD
(D) BC, DE

17. A square frame of each side L is dipped in a soap solution and taken out. If T is
surface tension of soap solution, the force acting on the film formed is

(A) TL
(B) 2TL
(C) 4TL
(D) 8TL

18. An unpolarised beam of intensity I o is incident on a pair of Nicol prisms making an
angle of 60° with each other. The intensity of light emerging from the pair is

(A) Io
Io
(B)
2
Io
(C)
4
Io
(D)
8

Page 6

19. If the temperature of a black body increases from 27°C to 327°C, then the rate of
energy radiation increases by

4
(A)  327 
 
 27 
(B) 4
(C) 16
(D) 2

20. Pressure of an ideal gas is doubled keeping the temperature constant. The kinetic
energy of the molecules

(A) becomes double
(B) becomes half
(C) remains the same
(D) may increase or decrease depending on the nature of gas

21. The smallest resistance that can be obtained by combining n resistors, each of
resistance R is

(A) nR
R
(B)
n
(C) n2 R
R
(D)
n2

1
22. The Power factor of R-L circuit is . What is the value of resistance if inductive
5
reactance is 4 Ω?

(A) 2 Ω
(B) 2Ω
(C) 4 Ω
(D) 5Ω

Page 7

23. If L, C and R represent inductance, capacitance and resistance respectively, which of
the following combinations has the dimension of frequency?

C
(A)
L
L
(B)
R
1
(C)
RC
1
(D)
LC

24. The threshold wavelength for a metal whose work function W is λ. What is the
2W
threshold wavelength of a wave function whose work function is ?
3

2
(A) λ
3
3
(B) λ
4
1
(C) λ
3
3
(D) λ
2

25. How many NAND gates are used in an OR gate?

(A) 3
(B) 2
(C) 5
(D) 4

26. The value of Bohr magneton is
24 2
(A) 9.27 × 10 Am
–24 2
(B) 9.27 × 10 Am
(C) 6.27 × 10−34 Am2
34 2
(D) 6.27 × 10 Am

Page 8

27. The SI unit of luminous intensity (I) is

(A) Candela
(B) Weber
(C) Henry
(D) Gauss’s

28. Photo cells are used to measure the …………… of light.

(A) intensity
(B) wavelength
(C) wave-number
(D) speed

29. The existence of discrete energy levels in an atom was directly verified in 1914 by

(A) James Franck and Gustav Hertz
(B) Stern Gerlach
(C) Heisenberg
(D) Langevin

30. Sonar technology works based on the principle of

(A) Photoelectric effect
(B) Total internal reflection of light
(C) Magnetic confinement of plasma
(D) Reflection of ultrasonic waves

31. Which law of Thermodynamics states that “Two systems in thermal equilibrium with
a third system separately are in thermal equilibrium with each other”?

(A) Zeroth
(B) First
(C) Second
(D) Third

32. The electromagnetic force between charged particles arise due to the exchange of
particles called
(A) Gravitons
(B) Vector Bosons
(C) Electrons
(D) Photons

Page 9

33. A ball is kicked at an angle of 30° with the vertical. If the horizontal component of its
velocity is 19.6 m/sec then the maximum height ball reached is

(A) 58.8 m
(B) 68.8 m
(C) 48.8 m
(D) 72.3 m

34. A ball is dropped from a spacecraft revolving around the earth at a height of 120 km.
What will happen to the ball?

(A) It will continue to move with the same speed along the original orbit of the
spacecraft
(B) It will move with the same speed, tangentially to the spacecraft
(C) It will fall down to the earth gradually
(D) It will go very far in the space

35. The sum of all electromagnetic forces between different particles of a system of
charged particles is zero.

(A) only if all the particles are positively charged
(B) only if all the particles are negatively charged
(C) only if half the particles are positively charged and half are negatively charged
(D) irrespective of the signs of the charges

36. Water flows in a horizontal tube as shown in figure. The pressure of water changes by
2 2 2
600 N/m between A and B where the areas of cross section are 30 cm and 15 cm
respectively. Then the rate of flow of water through the tube is

(A) 2300 cm3s−1
(B) 1890 cm3s−1
(C) 3200 cm3s−1
(D) 1000 cm3s−1

Page 10

37. Consider the following two statements.

(I) Line spectra contain information about atoms
(II) Band spectra contain information about molecules

(A) Both (I) and (II) are wrong
(B) (I) is correct but (II) is wrong
(C) (II) is correct but (I) is wrong
(D) Both (I) and (II) are correct

38. When deuterium and helium are subjected to an accelerating field simultaneously then

(A) both acquire same energy
(B) deuterium accelerates faster
(C) helium accelerates faster
(D) neither of them accelerated

39. If the polarizing angle for air-glass interface is 56.3°, the angle of refraction in glass is

(A) 45°
(B) 123.7°
(C) 90°
(D) 33.7°

40. The maximum intensity in case of interferences of n identical coherent waves each of
intensity I o is

(A) nIo
(B) n2 Io
(C) n(n + 1) I o
(D) (2n − 1) I o

41. A proton has kinetic energy E = 100 eV which is equal to that of a photon. The
λ2
wavelength of photon is λ2 and that of proton is λ1 . The ratio of is proportional to
λ1

(A) E2
(B) E1 2
(C) E −1
(D) E −1 2

Page 11

42. The electrical conductivity of a semiconductor increases when electromagnetic
radiation of wavelength shorter than the 2480 nm is incident on it. The band gap
(in eV) for the semiconductor is

(A) 0.9
(B) 0.7
(C) 0.5
(D) 1.1

43. A thin rod of length L and mass M is bent at its midpoint into two halves so that the
angle between them is 90°. The moment of inertia of the bent rod about an axis
passing through the bending point and perpendicular to the plane defined by the two
halves of the rod is

ML2
(A)
24
ML2
(B)
12
ML2
(C)
6
2 ML2
(D)
24

2
44. The potential energy of a conservative system is given by PE = ay – by, where y
represents the position of the particle and a as well as b are constants. What is the
force acting on the system?

(A) b – 2ay
(B) ay – b
(C) −by
(D) −ay

−1
45. A cricket ball of mass 250 g collides with a bat with velocity 10 ms and returns with
the same velocity with in 0.01 second. The force acting on the bat is

(A) 25 N
(B) 50 N
(C) 250 N
(D) 500 N

Page 12

46. If the amplitude of sound is doubled and frequency reduced to one-fourth, the
intensity of sound at the same point will be

(A) increasing by a factor of 2
(B) decreasing by a factor of 2
(C) decreasing by a factor of 4
(D) unchanged

47. If n1, n2 and n3 are the fundamental frequencies of three segments into which a string
is divided, then the original fundamental frequency n of the string is given by

1 1 1 1
(A) = + +
n n1 n2 n3

(B) n = n1 + n2 + n3
1 1 1 1
(C) = + +
n n1 n2 n3

(D) n = n1 + n2 + n3

48. A wire of resistance R is cut into n equal parts. These parts are then connected in
parallel. The equivalent resistance of the combination will be

(A) nR
R
(B)
n
n
(C)
R
R
(D)
n2

49. The powers of two electric bulbs are 100 W and 200 W. Both of them are connected
to 220 V main. The ratio of resistance of 100 W and 200 W filaments will be

(A) 1:2
(B) 2:1
(C) 1:4
(D) 4:1

Page 13

50. A ray of light from air is incident in water. Then, which property of light will not
change in water?

(A) Velocity
(B) Frequency
(C) Colour
(D) Amplitude

51. Einstein’s work on the photoelectric effect provided support for the equation

(A) E = mc 2
(B) E = hν
− Rhc
(C) E=
n2
1 2
(D) KE = mv
2

52. Zener breakdown will occur if impurity level is

(A) low
(B) high
(C) less in n side
(D) less in p side

53. The force on a particle of mass 10 g is (10 i + 5 j) N. If it starts from rest, what would
be its position at time t = 5s?

(A) (12500 i + 6250 j) m
(B) (1250 i + 625 j) m
(C) (12.5 i + 62.5 j) m
(D) (12.5 i − 62.5 j) m

54. A uniform sphere of mass 2000 g rolls without slipping on a plane surface so that its
centre moves at a speed of 2.00 cm/s. Find its kinetic energy.

(A) 5.6 × 10−4 J

(B) 5.6 × 10−1 J

(C) 8 × 10−4 J

(D) 8 × 10−1 J

Page 14

55. A load of 4.0 kg mass is suspended from a ceiling through a steel wire of radius 2.0 mm.
Find the tensile stress developed in the wire when equilibrium is achieved.
6 2
(A) 2.00 × 10 N/m
6 2
(B) 3.18 × 10 N/m
6 2
(C) 8.00 × 10 N/m
6 2
(D) 16.18 × 10 N/m

56. In a Young’s double slit experiment, the separation between the slits is 0.10 mm, the
wavelength of light used is 600 nm and the interference pattern is observed on a
screen 1.0 m away. Find the separation between the successive bright fringes

(A) 6.00 cm
(B) 6.00 mm
(C) 30.00 cm
(D) 3.00 cm

57. The light from the sun is found to have a maximum intensity near the wavelength of
470 nm. Assuming that the surface of a sun emits as a blackbody, calculate the
temperature of the surface of the sun.

(A) 470 K
(B) 840 K
(C) 4128 K
(D) 6128 K

5
58. A beam of protons with a velocity of 4 × 10 m/s enters a uniform magnetic field of
0.3 T. The velocity makes an angle of 60° with the magnetic field. Find the radius of
the helical path taken by the proton beam.

(A) 0.3 cm
(B) 1.2 cm
(C) 2.4 cm
(D) 9.6 cm

59. A player in a ground throws a cricket ball with a speed of 12.0 m/s at an angle of 45°
with the horizontal. At what distance will it hit the ground?

(A) 6.6 m
(B) 8.3 m
(C) 11.2 m
(D) 14.4 m

Page 15

60. In a coil, when the current is changed from 10.0 A in one direction to 10.0 A in the
opposite direction in 0.5 s, the average induced emf is 0.4 V. The self inductance of
the coil is

(A) 10.0 mH
(B) 5.0 mH
(C) 2.0 mH
(D) 0.5 mH

61. The dimensions of Planck's constant is same as that of
(A) angular momentum
(B) linear momentum
(C) work
(D) coefficient of viscosity

A +
62. A nucleus z X emits a α-particle. The resultant nucleus emits a β particle. The
respective atomic and mass numbers of the final nucleus will be

(A) z − 3, A − 4
(B) z − 1, A − 4
(C) z− 2, A − 4
(D) z, A − 2

63. The resistivity of certain metals or alloys drops to zero when they are cooled below a
certain temperature, this phenomenon is known as

(A) Conductivity
(B) Partial conductivity
(C) Superconductivity
(D) Non-conductivity

64. Which among the following materials display higher magnetic susceptibility?

(A) Ferromagnetic material
(B) Paramagnetic material
(C) Diamagnetic material
(D) None of the above

Page 16

65. Phase difference between voltage and current in a capacitor in an ac circuit is

(A) π
π
(B)
2
(C) 0
π
(D)
3

66. The radii of first three Bohr orbits is in the ratio

(A) 1:2:3
(B) 2:4:6
(C) 1:4:9
(D) 1:3:5

67. The Earth revolves around the Sun in an elliptical orbit. Its speed

(A) goes on decreasing continuously
(B) is greatest when it is closest to the Sun
(C) is constant at the all the points on the orbit
(D) is greatest when it is farthest from the Sun

68. For the resultant of two vectors to be maximum. What must be the angle between them?

(A) 0°
(B) 60°
(C) 90°
(D) 180°

69. According to Hooke’s law of elasticity, if stress is increased, the ratio of stress to strain

(A) becomes zero
(B) remains constant
(C) decreases
(D) increases

70. In semiconductor the forbidden energy gap lies

(A) just below the conduction band
(B) just above the conduction band
(C) either above or below the conduction band
(D) between the valence band and conduction band

Page 17

71. The energy gap is much more in silicon than in germanium because

(A) it has less number of electrons
(B) it has high atomic mass number
(C) its crystal has much stronger bonds called ionic bonds
(D) its valence electrons are more tightly bound to their parent nuclei

72. If the volume of a gas is doubled at constant pressure, the average translational kinetic
energy of its molecules will

(A) be doubled
(B) remain the same
(C) increase by a factor
(D) increase 4 times

73. Young’s modulus of a material has the same unit as

(A) Pressure
(B) Strain
(C) Compressibility
(D) Force

74. When a stationary wave is formed by superposition, then its frequency is

(A) same as that of the individual waves
(B) twice that of the individual waves
(C) half that of the individual waves
(D) three fourth of the individual waves

75. The motion of planets in the solar system is an example of the conservation of

(A) energy
(B) linear momentum
(C) angular momentum
(D) mass

Page 18

CHEMISTRY (UG)– SHIFT V
(FINAL)

76. Which of the following units of concentration is temperature dependent?

(A) Mole fraction
(B) Molality
(C) Normality
(D) Weight percentage

77. If the mean free path of atoms is doubled then the pressure of the gas will become

P
(A)
4
P
(B)
2
P
(C)
8
(D) P

78. In what manner will increase of pressure affect the following equation?
C(s) + H2O → CO(g) + H2(g)

(A) Shift in the reverse direction
(B) Shift in the forward direction
(C) Increase in the yield of Hydrogen
(D) No effect

79. Silver halides generally show

(A) Schottky defect
(B) Frenkel defect
(C) Both Frenkel and Schottky defects
(D) Cation excess defect

80. To get n-type of semiconductor, Germanium should be doped with

(A) Gallium
(B) Arsenic
(C) Aluminium
(D) Boron

Page 19

81. If the dispersed phase is a liquid and the dispersion medium is solid, the colloid is
known as

(A) foam
(B) sol
(C) emulsion
(D) gel

82. Coordination number of FCC crystal is

(A) 4
(B) 8
(C) 12
(D) 16

−6
83. What is the frequency of light having a wavelength of 4.50 × 10 cm?

−12 −1
(A) 2.84 × 10 s
4 −1
(B) 2.10 × 10 s
14 −1
(C) 4.29 × 10 s
(D) 6.67 × 1015 s−1

84. Which statement about the four quantum numbers that describe electrons in atoms
is INCORRECT?

(A) n = principal quantum number, n = 1, 2, 3, ......
(B) l = subsidiary (or azimuthal) quantum number, l = 1, 2, 3, ... , (n + 1)
(C) ml = magnetic quantum number, ml = (−l), .... , 0, .... , (+l)
(D) ms = spin quantum number, ms = +1/2 or −1/2

85. Which of the following statement is NOT true regarding the effect of increasing
temperature on the distribution of molecular motion in a gas?

(A) Most probable speed increases
(B) Distribution curve become broader
(C) The fraction of molecule with higher velocity increases
(D) Distribution is independent of temperature

Page 20

86. The total pressure exerted by a number of non reacting gases is equal to the sum of
the partial pressures of the gases under the same conditions is known as

(A) Boyle's law
(B) Charle's law
(C) Avogadro's law
(D) Dalton's law

PV
87. is known as
nRT

(A) Pressure factor
(B) Temperature factor
(C) Volume factor
(D) Compressibility factor

88. In which of the following thermodynamics process there is no flow of heat between
the system and the surroundings?

(A) Isobaric
(B) Isochoric
(C) Adiabatic
(D) Isothermal

89. For an ideally dilute binary solution Raoult’s law is valid for

(A) solute only
(B) solvent only
(C) both of the solute and the solvent
(D) none of the solute and the solvent

90. Stability of dispersion is associated with magnitude of

(A) asymmetry effect
(B) Coulomb repulsion
(C) zeta potential
(D) Yukawa potential

91. Addition of catalyst to a reaction at a particular temperature lowers

(A) the value of equilibrium constant
(B) the value of activation energy for the forward reaction
(C) the value of free energy change of reaction
(D) the value of frequency factor in Arrhenius equation

Page 21

92. Which one is a correct relation?

 ∂P   ∂V   ∂T 
(A)       ≥0
 ∂V T  ∂T  P  ∂P V
 ∂P   ∂V   ∂T 
(B)       =1
 ∂V T  ∂T  P  ∂P V
 ∂P   ∂V   ∂T 
(C)       = −1
 ∂V T  ∂T  P  ∂P V
 ∂P   ∂V   ∂T 
(D)       ≤0
 ∂V T  ∂T  P  ∂P V

93. Which of the following will increase the voltage of the cell with the cell reaction?

Sn(s) + 2Ag + (aq) → Sn 2+ (aq) + 2Ag(s)

(A) Increase in concentration of both Sn 2+ and Ag +
(B) Increase in amount of Sn metal
(C) Increase in concentration of Sn 2+
(D) Increase in concentration of Ag + ions

94. The quantity of electricity required to deposit 1.15 g of sodium from molten NaCl
[given atomic weight : Na = 23, Cl = 35.5] is

(A) 1F
(B) 0.5 F
(C) 0.05 F
(D) 1.5 F

−1 −1
95. The specific conductance of a 0.1 M KCl solution at 23°C is 0.012 ohm cm .
The resistance of cell containing the solution at the same temperature was found to
be 55 ohm. The cell constant is

(A) 6.6 cm−1
(B) 0.66 cm−1
(C) 0.066 cm−1
(D) 0.12 cm−1

Page 22

96. Following reaction is an example for

O peracid
O
O

(A) Baeyer-Villiger oxidation
(B) Epoxidation
(C) Fischer esterification
(D) Claisen reaction

97. Nitration of t-butylbenzene gives

(A) 2-nitro derivative exclusively
(B) 3-nitro derivative predominantly
(C) a 2:1 mixture of 2- and 4-nitro derivatives
(D) 4-nitro derivative almost exclusively

98. A simple Allene is a compound with the following chemical structure
H2C C CH2
*
What is the state of hybridization of the starred carbon (middle carbon)?
3
(A) sp
2
(B) sp
2
(C) alternates between sp and sp
(D) sp

99. Adipic acid can be written as

HOOC COOH
n

where n equals to

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

Page 23

100. Which of the following, in aqueous solutions of equal concentration, has the lowest pH?

(A) ClCH2CO2H
(B) CH3CO2H
(C) CF3CO2H
(D) C2H5OH

101. Nucleic acids are biopolymers containing

(A) phosphite linkers
(B) hexoses
(C) amino acids
(D) purine and pyrimidine bases

+
102. Which statement about the intermediate [C6H6NO2] , formed during the
mononitration of benzene, is correct?

(A) It retains aromaticity
3
(B) It contains only one sp hybridized carbon atom
(C) It is antiaromatic in nature
(D) It is nonaromatic, but planar in nature

Page 24

103. Which among the following carbanions is most stable?

CH2

(A) benzyl carbanion

CH2

(B) 4-methylbenzyl carbanion

CH3
CH2

(C) 4-methoxybenzyl carbanion

OCH3
CH2

(D) 4-nitrobenzyl carbanion

NO2

104. In the following sequence B and C are

H2O Red hot iron tube AlCl3
CaC2 A B C
CH3Cl

(A) Benzene and acetylene respectively
(B) Toluene and benzene respectively
(C) Benzene and toluene respectively
(D) Toluene and acetylene respectively

105. In order to distinguish between C6H13NH2 and C6H5NH2, which of the following
reagents is useful?

(A) Hinsberg reagent
(B) Bromine water
(C) Solubility test in dilute acid
(D) Lucas reagent

Page 25

106. Which among the following Vitamins helps to release energy from food?

(A) K
(B) A
(C) B
(D) D

107. Teflon coated cookware is losing popularity because

(A) Teflon is very expensive
(B) Teflon is highly carcinogenic
(C) PFOA used in creating Teflon coating is not good for human health
(D) Bakelite is a now emerging as a more economical alternative

108. Which among the following name reactions will give a hydrocarbon as the end product?

(A) Hunsdiecker reaction
(B) Meerwein-Verley-Ponndorf reduction
(C) Wurtz-Fittig reaction
(D) Reformatzky reaction

109. The foul smelling compound formed by the action of alcoholic caustic potash on
chloroform and aniline is

(A) Phenyl isocyanide (C6H5NC)
(B) Benzotrichloride (C6H5CCl3)
(C) Benonitrile (C6H5CN)
(D) Phenyl isocyanate (C6H5NCO)

110. Identify the product ‘Z’ in the following sequence of reactions

(A) Aspirin
(B) Salicylaldehyde
(C) Benzoic acid
(D) Salicylic acid

Page 26

111. The reaction given below is a typical example for
Lindlar
Catalyst
C6H5COCl + H2 C6H5CHO + HCl

(A) Meerwein-Verley-Ponndorf reduction
(B) Clemmenson reduction
(C) Rosenmund reduction
(D) Wolff-Kishner reduction

112. An organic compound that readily undergoes Cannizaro reaction but does not give a
positive test with Fehling’s solution is

(A) methanal
(B) 2,2-dimethylpropanal
(C) benzaldehyde
(D) acetone

113. Selective method to convert pent-1-ene to pentan-1-ol is

(A) Acid catalyzed addition of water
(B) Oxymercuration-demercuration
(C) Hydroboration-oxidation
(D) Addition of HBr followed by treatment with NaOH in water

114. Oxidation state of Fe in cytochrome is/are

(A) +2 and +4 only
(B) +3 and +4 only
(C) +2, +3, and +4 in catalytic intermediates
(D) +4 only

115. Which among the following methods is best suited for the selective preparation of
methyl tert-butyl ether?

(A) Acid catalyzed addition of methanol to propyne
Williamson ether synthesis involving tert-butyl bromide and sodium salt of
(B)
methanol
(C) Williamson ether synthesis involving sodium salt of tert-butanol and methyl
iodide
(D) Selective methylation of dimethyl ether

Page 27

2 O 2 H O
116. 'A' + H 2O → NaOH; 'A' 
400°C → 'B' 
at 25°C → NaOH + O 2

'B' is used for oxygenating in submarine. 'A' and 'B' are respectively

(A) Na 2O 2 and Na 2O
(B) Na 2O and Na 2O 2
(C) Na 2O 2 and O 2
(D) NaO and O2

117. The formation of atomic hydrogen from molecular hydrogen is favoured under what
conditions of temperature and pressure?

(A) Low temperature and low pressure
(B) High temperature and low pressure
(C) Low temperature and high pressure
(D) High temperature and high pressure

118. In a sealed nickel vessel, Xe and F2 taken in 1 : 20 volume ratio were heated to
400°C. The product obtained is

(A) XeF
(B) XeF2
(C) XeF4
(D) XeF6

119. The number of P-O-P bonds in cyclic metaphosphoric acid is

(A) zero
(B) two
(C) three
(D) four

120. The maximum possible number of hydrogen bonds that can be formed by a water
molecule is

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

Page 28

121. Which is the correct increasing order of lone pair of electrons on the central atom?

(A) IF7 < XeF2 < ClF3 < IF5
(B) IF7 < IF5 < ClF3 < XeF2
(C) IF7 < ClF3 < XeF2 < IF5
(D) IF7 < XeF2 < IF5 < ClF3

122. The actinides which exhibit the +7 oxidation state are

(A) Pu, Am
(B) U, Np
(C) Am, Cm
(D) Np, Pu

3+ 3+ 3+ 3+
123. The correct order of ionic radii of Y , La , Eu and Lu is
3+ 3+ 3+ 3+
(A) Y < Lu < Eu < La
3+ 3+ 3+ 3+
(B) Y < La < Eu < Lu
3+ 3+ 3+ 3+
(C) Lu < Eu < La < Y
3+ 3+ 3+ 3+
(D) La < Eu < Lu < Y

124. Maximum oxidation state is presented by

(A) CrO2Cl2 and MnO4
(B) MnO2
(C) [Fe(CN)6]3− and [Co(CN)6]3−
(D) MnO

125. How much volume of CO2 will be obtained by thermal decomposition of 25 g of
calcium carbonate (molar mass of calcium carbonate = 100 g) ?

(A) 1.0 L
(B) 5.6 L
(C) 11.2 L
(D) 22.4 L

126. The number of radial nodes for the 4f orbital

(A) 3
(B) 4
(C) 0
(D) 1

Page 29

127. Equanil is

(A) artificial sweetener
(B) tranquilizer
(C) antihistamine
(D) antifertility drug

128. What type of orbital is designated by n = 4, l = 2, ml = −2?

(A) 4p orbital
(B) 4s orbital
(C) 4d orbital
(D) 4f orbital

129. Balmer series of lines in the hydrogen spectrum are observed in

(A) UV region
(B) visible region
(C) infrared region
(D) far infrared region

130. Which of the following metal hydroxide is least basic?

(A) Ca(OH)2
(B) Mg(OH)2
(C) Sr(OH)2
(D) Ba(OH)2

131. Permanent hardness of water is due to the presence of

(A) sulphates of Na and K
(B) sulphates of Ca and Mg
(C) hydrogen carbonates of Ca and Mg
(D) carbonates of alkali metals in water

14 10 2 1
132. For the element with the electronic configuration [Xe]4f 5d 6s 6p , which is
most stable oxidation state?

(A) +3
(B) +4
(C) +2
(D) +1

Page 30

133. A surface ejects electrons when it is hit by green light; but does not eject electron when
it is hit by yellow light. Will electrons be ejected if the surface is hit by red light?

(A) Yes
(B) No
(C) Yes if the red beam is quite intense
(D) Yes if the red beam continues to fall upon

134. Stable ionic solid MX is formed with

(A) metal having high electron affinity
(B) metal having high ionisation potential
(C) X having high electron affinity
(D) metal having low ionisation potential and X having high electron affinity

135. With respect to periodic properties the correct statement is

(A) Electron affinity order is: F > O > Cl
(B) First ionisation energy order is: Al > Mg > K
(C) Atomic radius order is: N > P > As
+ 2+ 2+
(D) Ionic radius order is: K > Ca > Mg

Page 31

MATHEMATICS UG
SHIFT V - (FINAL)

2 
 −1 
 
136. The rank of the diagonal matrix  0  is
 
 4 
 0 

(A) 1
(B) 3
(C) 5
(D) 2

1 −4 20
137. Let ∆ = 1 −2 5 . The solution set of ∆ = 0 is
1 2 x 5x2

(A) {−2,3}
(B) {−3, 4}
(C) {4, −6}
(D) {−2, −1}

138. If f '(3) = 2, then lim
( ) (
f 3 + h 2 − f 3 − h2 ) is
h →0 2
2h

(A) 1
(B) 2
(C) 3
1
(D)
2

139. What is the sum of all two digit numbers?

(A) 4900
(B) 4895
(C) 4905
(D) 4985

Page 32

140. For any real x, the range of the function f ( x) = 3x 2 + 5 x + 7 is

 59 
(A)  2 , ∞ 

 59 
(B) 12 , ∞ 

 59 
(C) − ∞, 12 

 12 
(D) − ∞, 59 

141. If a vertex of a triangle is (1, 1) and the mid points of two sides through this vertex are
(−1, 2) and (3, 2) ,then the centroid of the triangle is

 7
(A) 1, 
 3
1 7
(B)  , 
3 3
 7
(C)  −1, 
 3
 −1 7 
(D)  , 
 3 3

142. If f ( x) = 2 x 2 − 2 x + 4 and f (2α ) = 4 f (α ) , then α is equal to

(A) 4
(B) 3
(C) 0
(D) −2

d
143. The value of
dx
( )
x
log e ( ax ) where a is a constant is equal to

(A) 1
(B) log e ax
1
(C)
a
(D) log e (ax) + 1

Page 33

n(n + 1) x
144. The period of the function f ( x) = [x ] + [2 x ] + [3 x ] + ....[nx] − , where n ∈ N
2
and [ ] denotes the greatest integer function, is

(A) 1
(B) n
1
(C)
n
(D) 2n

145. If one root of the equation x 2 + px + 12 = 0 is 4 and the equation x 2 + px + q = 0 has
equal roots, then the value of q is

(A) 3
(B) 12
49
(C)
4
39
(D)
4

146. The points (a, b + c), (b, c + a ) and (c, a + b) are

(A) vertices of an equilateral triangle
(B) concyclic
(C) vertices of a right angled triangle
(D) collinear

3x + 1 1
147. If f ( x) = , then the roots of the equation f ( x) + f   = 0 are
3x − 1 x

1
(A) 3, −
3
1
(B) −3,
3
1
(C) 3,
3
1
(D) −3, −
3

Page 34

1 a a 2 − bc
148. Let ∆ = 1 b b 2 − ca . Then ∆ is equal to
1 c c 2 − ab

(A) 0
(B) a+b+c
1 2
(C)
2
(
a + b2 + c2 )
(D) 3

1
 1x + 2 x + 3x + ... + n x  x
149. lim   is
x→0  n 

(A) n !
(B) (n − 1)!
(C) n
1
(D) ( n !) n

150. The set onto which the derivative of the function f ( x) = x ( log x − 1) maps the ray
[1, ∞) is

(A) [1, ∞)
(B) (0, ∞)
(C) [0, ∞)
(D) (1, ∞)

151. A point P (other than origin) on y = 4 x3 − 2 x5 such that the tangent at P passes
through the origin is

(A) (1, 3)
(B) (1, 2)
(C) (−1, 2)
(D) (2, −32)

Page 35

152. In a network of railways, a small island has 15 stations. The number of different
types of tickets to be printed for each class, if every station must have tickets for other
station, is

(A) 210
(B) 230
(C) 310
(D) 340

dy 2 y
153. The differential equation representing a curve passing through (1, 2) is = .
dx x
Then the equation of the curve is

(A) y = 2 x2
(B) y = x2 + 1
(C) y = 2x
(D) x = 2y − 3

154. The points with position vectors 60i + 3 j , 40i − 8 j , ai − 52 j are collinear if

(A) a = −40
(B) a = 40
(C) a = 20
(D) a = −20

1
 2− x 
155. The value of the integral ∫   dx is
0 1+ x 

(A) 3 log 2
(B) 2 log 2 − 1
(C) 3 log 2 + 1
(D) 3 log 2 − 1

156. If ω (≠ 1) is a complex cube root of unity, the least value of n ∈ ℕ for which
n n
(1 + ω 2 ) = (1 + ω 4 ) is
(A) 6
(B) 5
(C) 3
(D) 2

Page 36


x2 π
157. If ∫ dx = , then the value of
0 ( x2 + a2 )( x2 + b2 )( x2 + c2 ) 2(a + b)(b + c)(c + a )

1
∫ x 2 + 4 x 2 + 9 dx is
0 ( )( )
π
(A)
60
π
(B)
16
π
(C)
12
π
(D)
5

158. Let f ( x) =
( ) (
log 1 + x + x 2 + log 1 − x + x 2 ) , x ≠ 0. Then the value of f (0) so that f
sec x − cos x
is continuous at x = 0 is

(A) 1
(B) 0
(C) 2
(D) −1

159. The equation of the line passing through (3, 3) and making an angle of 60° with the
positive direction of the x-axis is

(A) x − 3y + 3 − 3 3 = 0
(B) x + 3y + 3 − 3 3 = 0
(C) 3x − y + 3 − 3 3 = 0
(D) 3x − y − 3 + 3 3 = 0

Page 37

160. Identify the function for the given below:

1
(A) y=
x
1
(B) y=
x−3
1
(C) y=
x+3
1
(D) y= 2
x

161. The least value of n so that yn = yn+1 where y = x 2 + e x and yn denotes the n th
order derivative of y, is

(A) 4
(B) 3
(C) 5
(D) 2

162. The ratio in which the line segment joining (2, −3) and (5, 6) is divided by the x-axis is

(A) 3 : 1
(B) 3:2
(C) 1 : 2
(D) 2 :3

163. ( )
Sum of the roots of the equation 4 x − 3 2 x+3 + 128 = 0 is

(A) 5
(B) 6
(C) 7
(D) 8

Page 38

b+c q+r y+z x a b
164. Let ∆ = c + a r + p z + x and ∆1 = y b q . Then
a+b b+q x+ y z c r

(A) ∆ = 2∆1
(B) ∆ = −2∆1
(C) ∆ = 4∆1
(D) ∆ = −4∆1

165. If the area of triangle formed by the line 4 x + 3 y + c = 0 and the axes of co-ordinates
is 6, then c is equal to

(A) ± 18
(B) ± 16
(C) ± 12
(D) ±8

166. If a, b, c are in A.P., then the line ax + by + c = 0 will always pass through the point

(A) (2, 1)
(B) (1, 2)
(C) (1, −2)
(D) (−2, −1)

167. The difference between the greatest and the least value of the function
x
F ( x) = ∫ (t + 1)dt on [2, 3] is
0

(A) 3
(B) 2
7
(C)
2
3
(D)
2

Page 39

x
 x , x<0
168. The point(s), at which the function given by f ( x) =  is continuous
 −1, x ≥ 0


(A) x∈R
(B) x=0
(C) x ∈ R − {0}
(D) x = −1 and 1

1 2 3 30 31
169. If E = . . ... . = 8 x , then the value of x is
4 6 8 62 64

(A) −7
(B) −9
(C) −10
(D) −12

 2  2
x  y 
 2  2
∂u
+ y ∂u =
y  x 
170. 
If u = e  +e   , then x
∂x ∂y

(A) u
∂ 2u
(B)
∂x ∂y
1 1
(C) +
x y
(D) 0

π
171. The area of the figure bounded by the lines x = 0, x = , f ( x) = sin x, g ( x) = cos x is
2

(A) 2 ( 2 − 1)
(B) 3 −1
(C) ( 3 − 1)
2

(D) 2 ( 2 + 1)

Page 40

172. The point on the y-axis whose perpendicular distance from the line 4x – 3y – 12 = 0 is

(A) (0, 1)
(B) (0, 3)
(C) (0, −9)
(D) Both (A) and (C)

173. If A and B are two skew symmetric matrices of order n, then

(A) AB is a skew symmetric matrix
(B) AB is a symmetric matrix
(C) AB is a symmetric matrix if A and B commute
(D) AB is a singular matrix

174. The latus rectum of an ellipse is equal to half of its minor axis. Its eccentricity is

1
(A)
2

3
(B)
2

3
(C)
2
1
(D)
2

175. The number of subsets of the set A = {a1, a2 ,..., an } which contain even number of
elements is

(A) 2n−1
(B) 2n − 1
(C) 2n−2
(D) 2n

Page 41

176. A set of direction cosines of the normal to the plane 6x – 3y – 2z = 10 is

6 −3 − 2
(A)  , , 
7 7 7 
(B) (6,−3,−2)
 6 −3 − 2
(C)  , , 
 49 49 49 
−6 3 2 
(D)  , , 
 49 49 49 

177. Six boys and six girls sit in a row randomly. The probability that boys and girls sit
alternatively is

1
(A)
231
5
(B)
462
1
(C)
462
7
(D)
101

dy
178. A particular solution of log = 3 x + 4 y, y (0) = 0 is
dx

(A) e3x + 3e−4 y = 4
(B) 4e3x − e−4 y = 3
(C) 3e3x + 5e4 y = 7
(D) 4e3x + 3e−4 y = 7

1 1 1
179. If x > 1, y > 1, z > 1 are in Geometric Progression, then , , are in
1 + ln x 1 + ln y 1 + ln z

(A) Arithmetic Progression
(B) Geometric Progression
(C) Harmonic Progression
(D) both Arithmetic Progression and Harmonic Progression

Page 42

180. The population p (t )dt time ‘t’ of a certain mouse species satisfies the differential
d
equation p (t ) = 0.5 p (t ) − 450. If p(0) = 850, then the time at which the population
dt
becomes zero is

(A) log 9
1
(B) log18
2
(C) log18
(D) 2 log18

181. The equation of the plane through (3, 4, −1) which is parallel to the plane
( )
r i 2i − 3 j + 5k + 7 = 0 is

(A) ( )
r i 2i − 3 j + 5k + 11 = 0

(B) r i ( 3i + 4 j − k ) + 11 = 0

(C) r i ( 3i + 4 j − k ) + 7 = 0

(D) r i ( 2i − 3 j + 5k ) − 7 = 0

182. The function f ( x), where f ( x) = ∫ e x ( x − 1)( x − 2)dx decreases in the interval

(A) (−∞,−2)
(B) (−2,−1)
(C) (1, 2)
(D) (2, ∞)

x − 1 y + 1 z + 10
183. The reflection of the point A(1,0,0) in the line = = is
2 −3 8

(A) (3, −4, −2)
(B) (5, −8, −4)
(C) (1, −1, −10)
(D) (2, −3, 8)

Page 43

m  10   20   p
184. The sum ∑     (where   = 0 if p < q) is maximum when m is
i =0  i   m − i  q

(A) 5
(B) 10
(C) 15
(D) 20

x −1 y − 2 z + 3
185. The number of distinct real values of λ for which the lines = = 2
1 2 λ
x − 3 y − 2 z −1
and = 2 = are coplanar is
1 λ 2

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

186. If f ( x) = lim  2 x + 4 x3 + ... + 2nx 2n−1  (0 < x < 1), then ∫ f ( x)dx is equal to
n→∞  

(A) − 1 − x2
1
(B)
1 − x2
1
(C) 2
x −1
1
(D)
1 − x2

187. Six dice are thrown simultaneously. Then the probability that all of them show the
different faces is

1
(A)
65
6!
(B)
66
1
(C)
6!
5!
(D)
66

Page 44

188. Two tangents are drawn from the origin to a circle with centre at (2,−1) . If the
equation of one of the tangents is 3x + y = 0, the equation of the other tangent is

(A) 3x − y = 0
(B) x + 3y = 0
(C) x − 3y = 0
(D) x + 2y = 0

1 1 5
189. If P ( A) = , P ( B ) = , P ( A ∪ B ) = , then P ( A ∩ B ) =
4 2 8

1
(A)
8
3
(B)
8
2
(C)
8
5
(D)
8

 −1 
190. The point on the curve y = x 2 which is closest to the point  4,  is
 2 

(A) (1, 1)
(B) (2, 4)
2 4
(C)  , 
3 9
 4 16 
(D)  , 
3 9 

Page 45

1
191. If A and B are independent events of a random experiment such that P ( A ∩ B ) =
6
1
and P ( A ∩ B ) = , then P ( A) is equal to
3

1
(A)
4
1
(B)
6
2
(C)
3
1
(D)
3

192. Let S be the set of integers. For a, b ∈ S , define aRb iff a − b < 1. Then

(A) R is not reflexive
(B) R is not symmetric
(C) R is an equivalence relation
(D) R is not an equivalence relation

193. There are four machines and it is known that exactly two of them are faulty. They are
tested, one by one, in a random order till both the faulty machines are identified.
Then the probability that only two tests are needed is

1
(A)
3
1
(B)
6
1
(C)
2
1
(D)
4

Page 46

194. If ∫ f ( x)dx = −2 cos x + c , then f ( x) is equal to

(A) sin x

sin x
(B)
x
(C) 2 cos x
(D) cos x

2
195. ∫ x − 1 dx =
−2

(A) 0
(B) 5
(C) 1
(D) 4

196. If letters of the word SACHIN are arranged in all possible ways and are written out as
in a dictionary, then the word SACHIN appears at serial number

(A) 603
(B) 602
(C) 601
(D) 600

1
ex  e+ A 
197. If ∫ dx = log   , then A is equal to
x −x  1+ 2 
0 e +e

(A) e2 + 1
(B) e2 + 1
(C) e2
(D) e2 − 1

198. Let f be a nonzero continuous function satisfying f ( x + y ) = f ( x) f ( y ) for all
x, y ∈ ℝ. If f (2) = 9. Then f (3) is

(A) 1
(B) 27
(C) 9
(D) 26

Page 47

 π 
199. If f ( x) = (1 + tan x) 1 + tan  − x   and g ( x) is a function with domain R, then
 4 
1
∫ x ( g f ) ( x)dx is
3
0

1 π 
(A) g 
2 2
1
(B) g (2)
4
1
(C) g (1)
4
(D) g (1)

200. If the product of the roots of the equation x 2 − 5kx + 2e4 ln k − 1 = 0 is 31, then the sum
of the roots is

(A) −10
(B) 5
(C) −8
(D) 10

1 0
− x2 2
201. ∫e dx = k , then ∫ e − x dx =
−1 −1

(A) −k
−k
(B)
2
k
(C)
2
(D) 2k

Page 48

1 x x
−1 π π
202. Let x =
3
( )
1 + i 7 and y = cos + i sin . Let ∆ = 1 x + y
4 4
y . Then ∆ is
1 x x+ y
equal to

(A) − 7
(B) 7
(C) i
(D) −1

203. The number of ways in which six ‘+’ and four ‘−’ signs can be arranged in a line so
that no two ‘−’ signs occur together is

(A) 30
(B) 35
(C) 6!5!
(D) 10!

204. If z + 2 z = π + 4i , then Im( z ) equals

(A) π
(B) π
(C) π 2 + 16
(D) 4

205. If three positive real numbers a, b, c are in Arithmetic Progression such that abc = 4,
then the minimum possible value of b is
3
(A)
22
2
(B)
23
1
(C)
23
5
(D)
22

Page 49

206. The inequality z − 4 < z − 2 represents the region given by

(A) Re( z ) ≥ 0
(B) Re( z ) < 3
(C) Re( z ) ≤ 0
(D) Re( z ) > 3

x 3 7
207. If x = −9 is a root of 2 x 2 = 0, then the other two roots are
7 6 x

(A) 3, 7
(B) 2, 7
(C) 3, 6
(D) 2, 6

z
208. If z = 1 and z ≠ ±1, then all the values of lie on
1 − z2

(A) a line not passing through the origin
(B) z = 2
(C) the x-axis
(D) the y-axis

sin x
209. If ∫ dx = Ax + B log( x − α ) + c, then the value of (A, B) is
sin( x − α )

(A) (− sin α , cos α )
(B) (cos α ,sin α )
(C) (sin α , cos α )
(D) (− cos α , sin α )

1
210. If is a root of ax 2 + bx + c = 0 , ( a, b, c ∈ ℝ ) , then
3 − 4i

(A) b + 6c = 0
(B) b = 6c
(C) a + 25c = 0
(D) b2 = c

Page 50

 1 ω2 ω 
 
211. If ω is a complex cube root of unity, the matrix A =  ω 2 ω 1  is a
 
ω 1 ω2 
 

(A) singular matrix
(B) non-singular matrix
(C) skew symmetric matrix
(D) symmetric matrix

212. The equation esin x − e−sin x = 4 has

(A) no real roots
(B) exactly one real root
(C) exactly four real roots
(D) infinite number of real roots

π
213. If 7 sin 2 θ + 3cos 2 θ = 4 and 0 ≤ θ ≤ , then the value of tan θ is
2

3
(A)
7
2
(B)
7
1
(C)
3

1
(D)
7

214. For the equation 3x 2 + px + 3 = 0, p > 0, if one of the roots is square of the other, then
p is equal to

1
(A)
3
(B) 1
(C) 3
2
(D)
3

Page 51

215. The contrapositive of p → (q → r ) is logically equivalent to

(A) p → (q → r )
(B) (q → r ) →~ p
(C) p∨q →r
(D) (q → r ) → p

7−i
216. If z = then z14 equals
3 − 4i

(A) 27
(B) 2i7

(C) −2i7
(D) −27

217. Let S be a non-empty subset of R. Consider the following statement:
P : There is a rational number x ∈ S such that x > 0.
Then the negation of P is

(A) Every rational number x ∈ S satisfies x ≤ 0
(B) x ∈ S and x ≤ 0 ⇒ x is not a rational number
(C) There is a rational number x ∈ S such that x ≤ 0
(D) There is no rational number x ∈ S such that x ≤ 0

218. If cos θ + sec θ = 2, then the value of cos 68 θ + sec68 θ equals

(A) 1
(B) 2
(C) 3
(D) 68

219. Value of x = 6 + 6 + 6 + ...upto ∞ is

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

Page 52

  π 
220. The domain of the function f ( x) = sin −1  log 3    is
  2 

(A) [−1, 9]
(B) [1, 9]
(C) [−9, 1]
(D) [3, 9]

221. The equation z 3 = z has

(A) no solution
(B) two solutions
(C) five solutions
(D) infinite number of solutions

222. Which of the following functions is not 1-1?

(A) f : ℝ → ℝ defined by f ( x) = 2 x + 5
(B) f :[0, π ] → [−1,1] defined by f ( x) = cos x
 −π π 
(C) f : , → [1, 7 ] defined by f ( x) = 3sin x + 4
 2 2 
(D) f : ℝ → [ −1,] defined by f ( x) = sin x

1
223. The number of points at which the function f ( x) = is not continuous is
x − [ x]

(A) 1
(B) 2
(C) 3
(D) infinitely many

224. If A is a set with n elements, then the cardinality of
{( x, y, z ) : x, y, z ∈ A, x ≠ y, y ≠ z, z ≠ x} is
(A) n3
(B) n(n − 1) 2
(C) n 2 (n − 2)
(D) n3 − 3n 2 + 2n

Page 53

cos 2 ( x) cos x sin x − sin x π
2
225. Let ∆( x) = cos x sin x sin 2 x cos x . Then ∫ [ ∆( x) + ∆ '( x)] dx equals
sin x − cos x 0 0

π
(A)
3
π
(B)
2
(C) 2π

(D)
2

Page 54

FINAL ANSWER KEY
TEST FOR PHYSICS CHEMISTRY MATHEMATICS SHIFT V
SI No. Key SI No. Key SI No. Key SI No. Key SI No. Key
1 A 31 A 61 A 91 B 121 B
2 C 32 D 62 A 92 C 122 D
3 D 33 A 63 C 93 D 123 A
4 B 34 A 64 A 94 C 124 A
5 D 35 D 65 B 95 B 125 B
6 C 36 B 66 C 96 A 126 C
7 A 37 D 67 B 97 D 127 B
8 B 38 D 68 A 98 D 128 C
9 A 39 D 69 B 99 D 129 B
10 D 40 B 70 D 100 C 130 B
11 C 41 D 71 D 101 D 131 B
12 C 42 C 72 A 102 B 132 D
13 C 43 B 73 A 103 D 133 B
14 D 44 A 74 A 104 C 134 D
15 D 45 D 75 C 105 B 135 D
16 C 46 C 76 B 106 C 136 B
17 D 47 A 77 B 107 C 137 D
18 C 48 D 78 A 108 C 138 B
19 C 49 B 79 C 109 A 139 C
20 C 50 B 80 B 110 D 140 B
21 B 51 B 81 D 111 C 141 A
22 A 52 B 82 C 112 C 142 B
23 C 53 A 83 D 113 C 143 D
24 D 54 A 84 B 114 C 144 A
25 A 55 B 85 D 115 C 145 C
26 B 56 B 86 D 116 B 146 D
27 A 57 D 87 D 117 B 147 D
28 A 58 B 88 C 118 D 148 A
29 A 59 D 89 B 119 C 149 D
30 D 60 A 90 C 120 C 150 C

Page 56

SI No. Key SI No. Key SI No. Key
151 B 181 A 211 A
152 A 182 C 212 A
153 A 183 B 213 C
154 A 184 C 214 C
155 D 185 C 215 A
156 C 186 D 216 C
157 A 187 B 217 A
158 A 188 C 218 B
159 C 189 A 219 A
160 B 190 A 220 B
161 B 191 D 221 C
162 C 192 C 222 D
163 C 193 B 223 D
164 A 194 B 224 D
165 C 195 B 225 B
166 C 196 C
167 C 197 B
168 A 198 B
169 D 199 B
170 D 200 D
171 A 201 C
172 D 202 C
173 C 203 B
174 C 204 D
175 A 205 B
176 A 206 D
177 C 207 B
178 D 208 D
179 C 209 B
180 D 210 A

Document Details

Board / OrgCochin University
ExamCUSAT Common Admission Test
TypeQuestion Paper
Pages56
Updated22 Jul 2026

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