RUHS Pharmacy 2022 Question Paper

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RUHS Entrance Examination 2022
Question Paper
BD Pharmacy 2022
Q. No. 1 A student measured the diameter of a small steel ball using a screw gauge of least
0042001 count 0.001 cm. The main scale reading is 5 mm and zero of circular scale division
coincides with 25 divisions above the reference level. If the screw gauge has a zero
error of -0.004 cm, the correct diameter of the ball is:
Option A 0.521 cm
Option B 0.525 cm
Option C 0.053 cm
Option D 0.529 cm
Correct Option D

Q. No. 2
The dimensions of electric current are (where Q- charge):
0042002

Option A [M0L0T-1Q]

Option B [M1L2T-1Q]

Option C [M2LT-1Q]

Option D [M2L2T-1Q]
Correct Option A

Q. No. 3 A passenger train of length 60 m travels at a speed of 80 km/hr. Another freight train
0042003 of length 120 m travels at a speed of 30 km/hr. The ratio of times taken by the
passenger train to completely cross the freight train when: (i) they are moving in the
same direction, and (ii) in the opposite direction, is:
Option A 25/11
Option B 5/2
Option C 3/2
Option D 11/5
Correct Option D

Q. No. 4 Rain is falling vertically downward with a speed of 35 m/s. The wind starts blowing
0042004 after some time with a speed of 12 m/s in the East to West direction. The direction in
which a boy standing at the place should hold his umbrella is? :

Correct Option C

Q. No. 5
0042005

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C

Q. No. 6 A driver takes 0. 20 s to apply the brakes after he sees a need for it. This is called the
0042006 reaction time of the driver. If he is driving a car at a speed of 54 km/h and the brakes
2
cause a deceleration of 6.0 m/s ,, find the distance travelled by car after he sees the
need to put the brakes on:
Option A 243 m
Option B 18.75 m
Option C 21.75 m
Option D 259.2 m
Correct Option C

Q. No. 7
0042007

D

Q. No. 8 A shell of mass m is at rest initially. It explodes into three fragments having masses
0042008 in the ratio 2:2:1. The fragments having equal masses fly off along mutually
perpendicular direction with speed v. What will be the speed of the third (lighter)
fragment:

Correct Option D

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Q. No. 9 A tube of length L is filled completely with an incompressible liquid of mass M and
0042009 closed at both ends. The tube is then rotated in a horizontal plane about one of its
ends with a uniform angular velocity ?. The force exerted by the liquid at the other
end is :

10
0042010

C

11
0042011

Option A 0.85 m
Option B 0.80 m
Option C 0.90 m
Option D 0.70 m
D

Q. No. 12 A rod of weight w is supported by two parallel knife edges, A and B, and is in
0042012 equilibrium in a horizontal position. The knives are at a distance d from each other.
The center of mass of the rod is at a distance x from A. The normal reaction to A is:

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Correct Option D

Q. No. 13 Moment of inertia of a uniform circular disk of radius R and mass M about the
0042013 tangential axis parallel to its diameter is:

Correct Option C

Q. No. 14 A planet is moving in an elliptical orbit. If T, V, E, and L stand respectively, for its
0042014 kinetic energy, gravitational potential energy, total energy, and angular momentum
about the center of the orbit, then;
Option A T is conserved
Option B V is always positive
Option C E is always negative
Option D The magnitude of L is conserved but its direction changes continuously
Correct Option C

Q. No. 15 A particle of mass M is situated at the center of a spherical shell of mass M and radius
0042015 a. The gravitational potential at a point situated at a/2 distance from the center will
be:

Correct Option A

16
0042016

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A

Q. No. 17 The bulk modulus of a spherical object is B. If it is subjected to uniform pressure P,
0042017 the fractional decrease in radius will be:
Option A P/B
Option B B/3P
Option C 3P/B
Option D P/3B
Correct Option D

18
0042018

C

19
0042019

D

Q. No. 20
Which of the following statements is correct for spontaneous adsorption of a gas:
0042020

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21
0042021

Option A 1.50
Option B 3.3
Option C 1.67
Option D 0.83
C

Q. No. 22 A spherical liquid drop of radius R is sprayed up into 8 spherical droplets of equal
0042022 radii. The surface tension of liquids is T, Work done in this process will be:

Correct Option C

23
0042023

Option A 4RT
Option B 15RT
Option C 9RT
Option D 11RT
D

Q. No. 24
If the mean free path of atoms is doubled then the pressure of the gas will become:
0042024
Option A P/4
Option B P/2
Option C P/8
Option D P

Q. No. 25
From the given functions, identify the function which represents a periodic motion:
0042025

Correct Option C

26
0042026

Option A 1:9
Option B 1:11

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Option C 1:14
Option D 1:6
B

27
0042027

Option A 5 m
Option B 20 m
Option C 15 m
Option D 30 m
C

28
0042028

B

29
0042029

Option A zero
Option B towards right
Option C upward
Option D towards left
A

30
0042030

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D

Q. No. 31 A parallel plate capacitor is connected to a battery. The plates are pulled apart with a
0042031 uniform speed. If x is the separation between the plate, the rate of change of
electrostatic energy of the capacitor is proportional to:

Correct Option A

Q. No. 32 A potentiometer circuit has been setup for finding the internal resistance of a given
0042032 cell. The main battery, used across the potentiometer wire, has an emf of 2.0 V and a
negligible internal resistance. The potentiometer wire itself is 4 m long. When the
resistance R, connected across the given cell, has values of (a) infinity (b) 9.5, and
the balancing length on the potentiometer wire, are found to be 3 m and 2.85 m,
respectively. The value of internal resistance of the cell is (in ohms):
Option A 0.5
Option B 0.95
Option C 0.25
Option D 0.75
Correct Option A

33
0042033

B

34
0042034

Option D Any of these three may occur
C

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35
0042035

D

36
0042036

B

37
0042037

Option A Zero

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D

Q. No. 38 A wire loop is rotated in a magnetic field. The frequency of change of direction of the
0042038 induced e.m.f. is:
Option A Twice per revolution
Option B Four times per revolution
Option C Six times per revolution
Option D Once per revolution
Correct Option A

Q. No. 39
Those substances in which the magnetic moment of the molecules are zero are:
0042039
Option A Paramagnetic
Option B Diamagnetic
Option C Ferromagnetic
Option D Paramagnetic or ferromagnetic depending on temperature

40
0042040

A

Q. No. 41 An astronomical telescope has an objective and eyepiece of focal length 40 cm and 4
0042041 cm respectively. To view an object 200 cm away from the objective, the lenses must
be separated by:
Option A 46.0 cm
Option B 50.0 cm
Option C 54.0 cm
Option D 37.3 cm
Correct Option C

Q. No. 42 The refracting angle of a prism is A, and refractive index of the material of the prism
0042042 is cot(A/2). The angle of minimum deviation is:

Q. No. 43
The size of an object perceived by an eye depends primarily on:
0042043
Option A Actual size of the object
Option B Distance of the object from the eye
Option C aperture of the pupil
Option D Size of the image formed on retina

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44
0042044

A

45
0042045

C

46
0042046

A

Q. No. 47
The resolving power of a telescope depends upon:
0042047
Option A The focal length of the objective
Option B The focal length of the eyepiece
Option C The length of the telescope
Option D The aperture of the objective
Correct Option D

48
0042048

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D

49
0042049

Option A 19:81
Option B 10:11
Option C 15:16
Option D 81:19
A

50
0042050

D

Q. No. 51
Which of the following sample of substances will have largest number of atoms?
0072051
Option A 142 g of chlorine
Option B 48 g of magnesium
Option C 3 g of hydrogen
Option D 190.5 g of copper
Correct Option A

52
0072052

Option A 11.7 M
Option B 17.8 M
Option C 19.5 M
Option D 15.8 M
B

Q. No. 53 The wavelength associated with a ball moving at a speed of 20 m/h is (Mass of the
0072053 ball is 100g)

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Correct Option A

Q. No. 54
The electron configuration for copper and Zinc respectively are:
0072054

Q. No. 55
The IUPAC name for an element with atomic number 114 is
0072055
Option A Ununquadium
Option B Ununhexium
Option C Unbiquadium
Option D Biunquadium
Correct Option A

Q. No. 56
The correct order for first ionization energies of the elements of third period is
0072056
Option A Na > Mg > Al > Si > P
Option B Na < Mg < Al < Si < P
Option C Na < Al < Mg < Si < P
Option D Na > Al > Mg > Si > P
Correct Option C

Q. No. 57 According to molecular orbital theory, which of these species has shortest bond
0072057 length?
Option A O2
-
Option B O2
2-
Option C O2

Option D O22+
Correct Option D

Q. No. 58 According to VSEPR theory, the shape of ClF3 is based on --- and the observed bond
0072058 angles are ---

Option A Trigonal bipyramid and 90o

Option B Trigonal bipyramid and 87o40'

Option C Planar triangle and 120o

Option D Planar triangle and 90o

Q. No. 59
Which of these molecules has the highest dipole moment?
0072059
Option A CHCl3

Option B CCl4

Option C CH3Cl

Option D CH2Cl2
Correct Option C

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Q. No. 60
The number of sigma and pi bonds in CO2 molecule respectively are
0072060
Option A One sigma, two pi
Option B Two sigma, two pi
Option C One sigma, two pi
Option D Three sigma, one pi

Q. No. 61 2-
The oxidation states of Mn in KMnO4 and Cr in Cr2O7 are respectively
0072061
Option A +6 and +7
Option B +7 and +5
Option C +7 and +6
Option D +6 and +5
Correct Option C

Q. No. 62 When a copper rod is dipped in an aqueous silver nitrate solution, a blue color
0072062 solution is obtained. This occurs because
Option A Cu(0) is oxidized to Cu(II) and Ag(I) is reduced to Ag(0)
Option B Copper (II) is reduced to Cu(0) and Ag(0) is oxidized to Ag(I)
Option C Copper (II) is reduced to Cu(0) and Ag(I) is reduced to Ag(0)
Option D Only Cu(II) is reduced to Cu(0)
Correct Option A

Q. No. Consider the following reaction:
63
0072063

The values of x, y and z in the above reaction are respectively:
Option A 5, 2 and 16
Option B 2, 5 and 16
Option C 2, 5 and 8
Option D 8, 2 and 5
B

Q. No. 64 For a given principal quantum number, n, the azimuthal quantum number, l can have
0072064 values
Option A 0 to n
Option B 0 to n-1
Option C 0 to n+1
Option D 0 to 2n-1

Q. No. 65 Which among the following alkali metal ion will have highest ionic mobility at infinite
0072065 dilution?

Option A Li+

Option B Rb+

Option C Na+
+
Option D K

Q. No. 66
In case of diborane
0072066
Terminal B-H bonds are 3- centre 2- electron bonds and two bridge bonds are 2- centre 2-
electron bonds
Terminal B-H bonds are 2- centre 2- electron bonds and two bridge bonds are 3- centre 2-
electron bonds.
Terminal B-H bonds and one bridge bond are 2- centre 2- electron bonds and the other bridge
bond is 3- centre 2- electron bond.

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Option D Terminal B-H bonds and one bridge bond are 3- centre 2- electron bond and the other bridge
bond is 2- centre 2- electron bond.

Q. No. 67
Addition of phosphate fertilizers to water bodies
0072067
Option A Enhances the growth of algae in water bodies
Option B Increases the amount of dissolved oxygen in water
Option C Increases the fish population in water
Option D Deposits calcium phosphate in water
Correct Option A

Q. No. 68 Consider the following reaction:
0072068 Reaction 1: H2(g) 2H(g)
Reaction 2: Polymerization of ethene to form poly(ethene).

Which of the below given statements is true for the above two reactions?
Option A Entropy in Reaction 1 decreases and entropy in Reaction 2 increases
Option B Entropy in both Reaction 1 and Reaction 2 increases
Option C Entropy in both Reaction 1 and Reaction 2 decreases
Option D Entropy in Reaction 1 increases and entropy in Reaction 2 decreases
Correct Option D

69
0072069

C

Q. No. 70
For a gaseous system, Cp and Cv are related as
0072070
Option A CV = CP + R
Option B CP = CV - R
Option C CP = CV + R
Option D CP + CV = R
Correct Option C

Q. No. 71 Suppose a gas occupies a volume of 500 mL at 20oC. At what temperature will the gas
0072071 occupy a volume of 551.2 mL?

Option A 48 oC

Option B 50 oC
o
Option C 52 C
o
Option D 54 C

Q. No. 72
An ideal gas strictly follows
0072072
, ,
Option A Boyle s law and Avogadro s law
, ,
Option B Boyle s law and Charle s law

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Option C Charle,s law and Avogadro,s law

Option D Boyle,s law, Charle,s law and Avogadro,s law
Correct Option D

73
0072073

Option A 220
Option B 0.622
Option C 2.22
Option D 0
B

Q. No. 74 The pH of a solution obtained by mixing 25 mL of 0.2 M HCl with 50 mL of 0.25 M
0072074 NaOH will be (Given Kw = 10-14 mol2 dm-6)

Option A 12
Option B 12.5
Option C 11
Option D 13
Correct Option D

Q. No. 75
0072075

Option A 2-Oxohexanoic acid
Option B 5-Oxoheaxanoic acid
Option C 1-Hydroxy-5-oxohexanone
Option D 2-Oxo-5-pentanoic acid

Q. No. 76
The correct increasing order of stability of the below given alkyl radical is
0072076

Correct Option A

Q. No. 77
0072077

Option A 2- Bromopropane

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Option B 1-Bromopropane
Option C 2-Bromopropene
Option D 1-Bromopropene

Q. No. 78
Which of the following does not undergo Friedel Crafts reaction?
0072078
Option A Benzene
Option B Toluene
Option C Aniline
Option D Chlorobenzene
Correct Option C

Q. No. 79
For a tetragonal crystal system
0072079

Correct Option D

Q. No. 80
Schottky and Frenkel defects are ___________
0072080
Option A Interstitial and vacancy defects respectively
Option B Vacancy and interstitial defects respectively
Option C Both interstitial defects
Option D Both Vacancy defects

Q. No. 81 The mole fraction of ethanol in a mixture containing 9 g of water, 120 g acetic acid
0072081 and 115 g ethanol is
Option A 0.25
Option B 0.1
Option C 0.5
Option D 0.4
Correct Option C

Q. No. 82
The strength of a solution containing 40.95 g of sodium chloride in 700 mL solution is
0072082
Option A 1M
Option B 0.5 M
Option C 0.25 M
Option D 0.1 M
Correct Option A

Q. No. 83
The monomers used in the preparation of Nylon 6,6
0072083
Option A Hexamethylene diamine and terephthalic acid
Option B Hexamethylene diamine and Adipic acid
Option C Tetramethylene diamine and terephthalic acid
Option D Tetramethylene diamine and adipic acid

Q. No. 84
Glucose reacts with hydroxylamine to yield
0072084
Option A Cyanohydrin
Option B An oxime

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Option C Saccharic acid
Option D Gluconic acid

Q. No. 85
Which of the following is not an artificial sweetening agent?
0072085
Option A Aspartame
Option B Saccharin
Option C Ranitidine
Option D Alitame
Correct Option C

Q. No. 86 Colloidal system in which the dispersed phase is liquid and dispersion medium is solid
0072086 is
Option A Aerosol
Option B Foam
Option C Emulsion
Option D Gel
Correct Option D

87 Which among the following is an example of homogeneous catalysis?
0072087

A

Q. No. 88
Unit for rate constant of a third order reaction is
0072088

Option A s-1

Option B mol-1 dm3 s-1

Option C mol dm-3 s-1

Option D mol-2 dm6 s-1
Correct Option D

89
0072089

Option A 52.94 min
Option B 5.29 min
Option C 529.4 min
Option D 105.9 min
A

Q. No. 90 The molar ionic conductances at infininte dilution for the strong electrolytes NaOH,
0072090 NaCl and BaCl2 are 248.1 x 10-4, 126.5 x 10-4 and 280.0 x 10-4 S m2 mol-1 respectively.
The molar conductance at infinite dilution for Ba(OH)2 will be

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Option A 42.9 x 10-4 S m2 mol-1

Option B 390.1 x 10-4 S m2 mol-1

Option C 271.4 x 10-4 S m2 mol-1

Option D 523.2 x 10-4 S m2 mol-1
Correct Option D

Q. No. 91
Which of these is used as an electrolyte in the electrolytic refining of copper?
0072091
Option A NiSO4

Option B CuSO4

Option C Ni(NO3)2
Option D NaCl

Q. No. 92
IUPAC name of the coordination compound Na3[Ag(S2O3)2] is
0072092
Option A Sodium bis(thiosulphato)argentate(I)
Option B Trisodium bis(thiosulphato)argentate(I)
Option C Sodium bis(thiosulphato)silver(I)
Option D Sodium (thiosulphato)argentate(I)
Correct Option A

Q. No. 93
The octahedral crystal field splitting energy for [MnF6]4- is
0072093

Q. No. 94
The spin only magnetic moment for [CoF6]3- is
0072094
Option A 0.0 BM
Option B 4.9 BM
Option C 3.87 BM
Option D 1.73 BM

Q. No. 95
Heating red phosphorous in a sealed tube at 803 K results in
0072095
Option A White phosphorous

Option D Phosphine

Q. No. 96
0072096

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Q. No. 97
0072097

In the above reaction A and B respectively are

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C

Q. No. 98 Which among the following compounds upon treatment with methyl magnesium
0072098 bromide followed by hydrolysis yields 2-Methylpropan-2-ol?
Option A C2H5COOCH3

Option B HCOOC2H5
Option C CH3COCH3

Option D CH3CH2CHO
Correct Option C

Q. No. 99
Which of these is an example of Gatterman- Koch reaction
0072099
Option A Formation of benzaldehyde from toluene in using Chromyl chloride followed by hydrolysis
Option B Formation of benzaldehyde from benzene in presence of CO, HCl and Anhydrous AlCl3
Option C Formation of an aldehyde by reduction of nitriles with SnCl2 in presence of HCl
Treatment of benzene with acid chloride in presence of Anhydrous AlCl3 to form corresponding
ketone.

Q. No. 100
The reduction of a ketonic group to methylene group can be achieved by
0072100
Option A Catalytic hydrogenation
Option B NaBH4
Option C Zn amalgam and Conc. HCl
Option D Birch reduction
Correct Option C

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