-
Please read the instructions carefully. You are allotted 5
minutes specifically for this purpose.
Date : 13-04-2012 Duration : 3 Hours Max. Marks : 800
CODE
0COURSE NAME : SAFAL (MR)
INSTRUCTIONSA. General :1. This Question Paper contains 120 (30
Chemistry, 30 Physics & 60 Biology) questions.
2. The question paper CODE is printed on the right hand top
corner on this sheet of this booklet.
3. Rough work is to be done on the space provided for this
purpose in the Test Booklet only. This space isgiven at the bottom
of each page.
4. Blank paper, clipboard, log tables, slide rules, calculators,
cellular phones, pagers and electronic gadgetsin any form are not
allowed.
5. The answer sheet, a machine-gradable Objective Response Sheet
(ORS), is provided separately.
6. Do not Tamper / mutilate the ORS or this booklet.
7. Do not break the seals of the question-paper booklet before
instructed to do so by the invigilators.
8. Write your Name, Roll No. and Sign in the space provide on
the back page of this booklet.
B. Filling the bottom-half of the ORS :
9. The ORS has CODE printed on its lower and upper Parts.
10. Make sure the CODE on the ORS is the same as that on this
booklet. If the Codes do not match, ask fora change of the
Booklet.
11. Write your Roll No., Name and Name of centre and sig with
pen in appropriate boxes. Do not write theseanywhere else.
12. Darken the appropriate bubbles below your registration
number with HB Pencil.
C. Question paper format and Marking scheme :
13. The question paper consists of 3 Parts (Part-A (Chemistry),
PART-B (Physics) & PART-C (Biology)).
14. For each question, you will be awarded 4 marks if you darken
the bubble corresponding to the correctanswer and zero marks if no
bubble is darkened. In case of bubbling of incorrect answer, minus
one (1)mark will be awarded.
DO NO
T BR
EAK
THE
SE
ALS
W
ITHO
UT BE
ING
INST
RUCT
ED TO
DO
SO
BY
TH
E IN
VIGI
LATO
R
FULL SYLLABUSTEST-2 (FST-2)TARGET : AIPMT 2012
-
(Space for rough work)
Name of the Candidate Roll Number
I have read all the instructions andshall abide by them.
I have verified all the informationfilled in by the
Candidate.
--------------------------------
Signature of the Candidate --------------------------------
Signature of the Invigilator
-
RESONANCE MRBHU130412C01
1. The IUPAC name of is :
(1) 3-iso-propylheptane(2) 3-iso-propylpentane(3)
2-methyl-3-propylhexane(4) 4-iso-propylheptane
2. Which of the following molecules fails to ex-hibit optical
activity?
(1) CH2Cl. CHDBr(2) CH3CHCl2(3) CH3CHDCl(4) CH2OH. CHClCH3
3. In the following reaction sequence, X is
X nBrominatio Y HCl/NaNO 2 Z OHHCBoiling
52
Tribromobenzene :
(1) benzoic acid(2) salicylic acid(3) phenol(4) aniline
PART-A
Atomic masses : [H = 1, D = 2, Li = 7, C = 12, N = 14, O = 16, F
= 19, Na = 23, Mg = 24, Al = 27,Si = 28, P = 31, S = 32, Cl = 35.5,
K = 39, Ca = 40, Cr = 52, Mn = 55, Fe = 56, Cu = 63.5, Zn = 65,As =
75, Br = 80, Ag = 108, I = 127, Ba = 137, Hg = 200, Pb = 207]
Straight Objective TypeThis section contains 50 multiple choice
questions. Each question has 4 choices (1), (2), (3) and (4)
for its answer, out of which ONLY ONE is correct.
4. KO2 + S (A) 2BaCl ppt white)B(
Carbon
(C) HCl gas
)D(
The correct statement is :
(1) B is BaSO4 and D is H2S(2) A is BaS and D is SO2(3) C is BaS
and D is SO2(4) A is K2SO3 and B is BaS
5. In the reaction
4HNO3 + P4H10 4HPO3 + X,
the product X, is :
(1) N2O5(2) N2O3(3) NO2(4) H2O
6. Nitrolim is mixture of :
(1) Ca (CN)2 + graphite(2) CaC2 + graphite(3) CaCN2 +
graphite(4) CaCN2 + N2
-
RESONANCE MRBHU130412C02
7. Which of the following aqueous solutions hasminimum freezing
point?
(1) 0.01 m NaCl(2) 0.005 m C2H5OH(3) 0.005 m MgI2(4) 0.005 m
MgSO4
8. The STP volume of oxygen liberated by 2 A ofcurrent when
passed through acidulated waterfor 3 min and 13 s is :
(1) 120 cc(2) 22.4 cc(3) 11.2 cc(4) 44.8 cc
9. KP of a reaction at 300 K is 6 atm and 2 atm at450 K. Which
of the statement is incorrectabout this reaction, if ng = 1?
(1) The reaction is exothermic(2) The rate of backward reaction
increases
more than that of forward reaction with in-crease in
temperature
(3) Ea for the forward reaction is more than that
of backward reaction
(4) The difference between heat of reaction atconstant pressure
and that at constant vol-ume is RT
10. In alkaline medium, KMnO4 reacts as follows
2KMnO4 + 2KOH 2K2MnO4 + H2O + [O]Therefore, the equivalent
weight of KMnO4 willbe :
(1) 31.6(2) 52.7(3) 7.0(4) 158.0
11. When 92U235 loses one -particle, the new ele-ment will
belong to group :(1) IB (2) IA(3) IIIB (4) VB
12. The correct order of bond angles is :(1) NO2 > NO+2 >
NO2(2) NO+2 > NO2 > NO2(3) NO2+ > NO+2 > NO2(4) NO+2
> NO2 > NO2
13. Cod liver oil is :(1) fat dispersed in water(2) water
dispersed in fat(3) water dispersed in oil(4) fat dispersed in
fat
14. Cassiterite is concentrated by :(1) levigation(2)
electromagnetic separation(3) floatation(4) liquefaction
15. The stability of the hydrides follows the order :(1) NH3
> PH3 > AsH3 > SbH\3(2) NH3 < PH3 < SbH3(3) PH3 >
NH3 > AsH3 > SbH3(4) AsH3 > NH3 > PH3 > SbH3
16. Catalytic activity of transition metals dependson :
(1) their ability to exist in different oxidationstates
(2) the size of the metal atoms(3) the number of empty atomic
orbitals avail-
able
(4) All of the above are correct
-
RESONANCE MRBHU130412C03
17. Which of the following complex species doesnot involve d2sp3
hybridisation?
(1) [CoF6]3(2) [Co(NH3)6]3+(3) [Fe(CN)6]3(4) [Cr(NH3]6]3+
18. In the complex, PtCl4. 3NH3, the number ofionisable
chlorines is :
(1) four(2) two(3) one(4) three
19. Which of the following has highest chlorine con-tent?
(1) Pyrene(2) DDT(3) Chloral(4) Gammaxane
20. Benzene on oxidation with acidified Na2Cr2O7gives :
(1) benzyl alcohol(2) benzaldehyde(3) benzoic acid(4) No
reaction occurs
21. The correct order of increasing basicity of thefollowing is
:
H2O, OH, CH3OH, CH3O
(1) CH3OH < H2O < OH < CH3O(2) H2O < CH3OH < CH3O
< OH(3) H2O < CH3OH < OH < CH3O(4) CH3OH < H2O <
CH3O < OH
22. A 42
722
SOHOCrK
B oxidatonVigorous
]O[ CH3COOH
If B is the given sequence is propanone then Ais :
(1) ethyl alcohol(2) iso-propyl alcohol(3) propyl alcohol(4)
tert-pentyl alcohol
23. In a Cannizaro reaction, the intermediate thatwill be best
hydride donor is :
(1)
(2)
(3)
(4)
24. Aniline on heating with conc HNO3 + conc H2SO4mixture yields
:(1) o- and p-nitroanilines(2) m-nitroaniline(3) a black tarry
matter(4) no reaction
-
RESONANCE MRBHU130412C04
25. In which of the following reaction, pressure hasno effect on
equilibrium ?
(1) N2O4(g) 2NO2(g)(2) 2SO2(g) + O2(g) 2SO3(g)(3) CO2(g) + H2(g)
CO(g) + H2O (g)(4) N2(g) + 3H2(g) 2NH3(g)
26. Two moles of HI were heated in a sealed tubeat 440C till the
equilibrium was reached. HI wasfound to be 22% decomposed. The
equilibriumconstant for dissociation is :
(1) 0.282 (2) 0.0796(3) 0.0199 (4) 1.99
27. Assertion : Most probable velocity is the velocitypossessed
by maximum fraction of moleculesat the same temperature.
Reason : On collision, more and moremolecules acquire higher
speed at the sametemperature.
(1) Both Assertion and Reason are true andthe Reason is the true
explanation of theAssertion.
(2) Both Assertion and Reason are true, butReason is not the
true explanation of As-sertion.
(3) Assertion is true, but Reason is false.(4) Assertion is
false, but Reason is true.
28. The first emission line in the atomic spectrumof hydrogen in
the Balmer series appears at :
(1) 1cm400R9 (2) 1cm144
R7
(3) 1cm4R3 (4) 1cm36
R5
29. If for H2(g) + 21 O2(g) H2O(g), H1 is the
enthalpy of reaction and for
H2 (g) + 21
O2(g) H2O(l)
H2 is enthalpy of reaction, then :
(1) HH1 > H2(2) H1 = H2(3) H1 < H2(4) H1 = H2 = 0
30. A sodium cation has a different number of elec-trons from
:
(1) O2 (2) F(3) Li+ (4) Al3+
31. Oxidation of thiosulphate ion by iodine gives :
(1) SO32 (2) SO42(3) S4O62 (4) S2O52
32. Which of the following bonds has the higherenergy?
(1) Se Se(2) Te Te(3) S S(4) O O
33. Number of -electrons in cyclobutadienyl an-ion (C4H4)2 is
:(1) 2(2) 4(3) 6(4) 8
-
RESONANCE MRBHU130412C05
34. Cetane number of diesel fuel will increase withthe addition
of :
(1) n-decane(2) n-hexadecane(3) n-hexane(4)
-methylnaphthalene
35. Iodoform can be obtained on warming NaOHand iodine with
:
(1) CH3CH2(OH)CH3
(2) HCHCC)CH( || O
223
(3) O
||
OCHCCH 33
(4) (CH3)2CHCH2OH
36. Which is an example of thermosetting polymer?
(1) Polythene(2) PVC(3) Neoprene(4) Bakelite
37. Analysis shows that nickel oxide has the for-mula Ni0.98O.
What fraction of the nickel existsas Ni3+ ions?
(1) 1 % (2) 2 %(3) 4 % (4) 8 %
38. The molecule/ion which has pyramidal shape is :
(1) PCl3 (2) SO3(3) CO32 (4) NO3
39. By Fajan rule covalent character increases withincrease in
size of the anion. Identify the cor-rect order of melting point of
calcium halides :
(1) CaF2 > CaCl2 > CaBr2 > CaI2(2) CaCl2 < CaF2 <
CaBr2 < CaI2(3) CaF2 > CaCl2 > CaBr2 > CaI2(4) CaCl2
> CaF2 > CaBr2 > CaI2
40. Considering NO, NO+ and NO we say that:
(1) among the three, the one isoelectronic withN2 alone is
diamagnetic
(2) among the three, the one isoelectronic withO2 alone is
paramagnetic
(3) all the three species are paramagnetic(4) the three overlaps
are stronger than N2 or O2
41. For a reaction A + 2B C + D, the followingdata were obtained
:
Initial formation of D (mol L1 min1)
[A] [B]1. 0.1 0.1 6.0 103
2. 0.3 0.2 7.20 102
3. 0.3 0.4 2.88 101
4. 0.4 0.1 2.4 101
Expt. Initial concentration (mol L1)
The correct rate law expression will be :
(1) Rate = k [A] [B](2) Rate = k [A] [B]2(3) Rate = k [A]2
[B]2(4) Rate = k [A]2 [B]
42. The standard reduction potential of three metalsX, Y and Z
are 0.52 3.03 and 1.18 Vrespectively. The order of reducing power
of thecorresponding metals is :
(1) Y > Z > X (2) X > Y > Z(3) Z > Y > X (4) Z
> X > Y
-
RESONANCE MRBHU130412C06
43. Which of the following is not a redox reaction?
(1) CaCO3 CaO + CO2(2) O2 + 2H2O
(3) Na + H2O NaOH + 21
H2
(4) MnCl3 MnCl2 + 21 Cl2
44. In which of the following pair, the EAN of centralmetal atom
is not same?
(1) [FeF6]3 and [Fe(CN)6]3(2) [Cr(NH3)6]3 and [Cr(CN)6]3(3)
[Fe(CN)6]3 and [Fe(CN)6]4(4) Ni(CO)4 and [Fe(CN)6]4
45. Which amino acid has no asymmetric carbonatom?
(1) Histidine (2) Glycine(3) -alanine (4) Threonin
46. An organic compound with the formula C6H12O6forms a yellow
crystalline solid withphenylhydrazine and gives a mixture of
sorbitoland mannitol when reduced with sodium. Whichamong the
following could be the compound?(1) Fructose (2) Glucose(3) Mannose
(4) Sucrose
47. Identify the incorrect statement :
(1) The oxidation of iodide ions by ozone canbe used as a method
to estimate ozone
(2) Bromine does not liberate nitrogen gas fromammonia like
chlorine
(3) With hot concentrated alkali, chlorine pro-duces the
chloride and chlorate
(4) Only fluorine attacks SiO2 to give SiF4
48. The maximum number of electrons in all thoseorbital for
which principal quantum number is 3and azimuthal quantum number 2
is :
(1) 2 (2) 8(3) 10 (4) 18
49. The weight of hypo (Na2S2O3 . 5 H2O requiredto make 100 cm3
of 0.2 N solution for use in thereaction
2S2O32 + I2 S4O62 + 2I
will be :
(1) 1.49 g (2) 2.98 g(3) 4.96 g (4) 8.94 g
50. Which of the following will not show aromaticbehaviour ?
(1)
(2)
(3)
(4)
-
RESONANCE MRBHU130412C0-7
PARTB
Straight Objective TypeThis section contains 50 multiple
choicequestions. Each question has 4 choices (1),(2), (3) and (4)
for its answer, out of whichONLY ONE is correct.
51. Electron makes transition from n = 3 to theorbit n = 2 of a
hydrogen atom (ionisationpotential 13.6 eV.) The energy of the
photonemitted in the process is
(1) 1.89eV(2) 2.55 eV(3) 12.09eV(4) 12.75 eV
52. The moment of inertia of a uniform thin rod oflength L and
mass M about an axis passing
through a point at a distance of 3L from one of
its end and perpendicular to the rod is :
(1) 48ML7 2
(2) 9
ML2
(3) 12
ML2
(4) 3
ML2
53. Two satellites A and B go around a planet P incircular
orbits having radii 4R and Rrespectively. If the speed of the
satellite A is3v,the speed of the satellite B will be :
(1) 12v(2) 6v
(3) 34
v
(4) v23
54. A closed vessel contains 8 g oxygen and 7 gof nitrogen. The
total pressure is 10 atm at agiven temperature. If now oxygen
absorbent thepressure of the remaining gas (in atm) will be :(1)
2(2) 10(3) 4(4) 5
55. A thin square steel plate with each side equalto 10 cm is
heated by a blacksmith. The rateradiated energy by the heated plate
is 1134 W.The temperature of the hot steel plate is(Stefans
constant = 5.67 108 Wm2 K4emissivity of the plate =1)(1) 1000 K(2)
1189 K(3) 2000(4) 2378 K
-
RESONANCE MRBHU130412C0-8
56. The time period of a simple pendulum of lengthL as measured
in an elevator descending with
acceleration 3g
is :
(1) g2L32
(2) gL3
(3)
gL32
(4)
g3L22
57. A charged particle is free to move in an electricfield. It
will travel
(1) always along a line of force(2) along a line of force, if
its initial velocity iszero
(3) along a line of force, if it has same initialvelocity in the
direction of an active angle withthe line of force
(4) None of above
58. A charged particle of mass m and charge q isreleased from in
uniform electric f ieldE.Neglecting the effect of gravity, the
kineticenergy of the charged particle after t second is
(1) 22
t2MEq (2)
mqtEq2 22
(3) m2
tqE 222 (4) tmqE
59. The capacitance of a parallel plate capacitorwith air as
medium, is 3F. With theintroduction of a dielectric medium between
theplates, the capacitance becomes 15 F. Thepermittivity of the
medium is
(1) 5C2 N1 m2(2) 15 C2 N1 m2(3) 0.44 1010 C2 N1 m2(4) 8.845
1011C2 N1 m2
60. The magnetic moment produced in asubstance of 1 g is 6 107
A-m2.If its densityis 5g/cm3 , then the intensity of
magnetisationin A/m will be :
(1) 8.3 106(2) 3.0(3) 1.2 107(4) 3 106
61. Mark the wrong statement :
(1) Sliding of molecular layer is much easierthan compression or
expression
(2) Reciprocal of bulk modulus of elasticity iscalled
compressibility
(3) It is difficult to twist a long rod as comparedto small
rod
(4) Hollow shaft is much stronger than a solidrod of same
mass
62. A body moves along a circular path of radius10 m and the
coefficient of friction is 0.5. Whatshould be its angular speed in
rad/s,if it doesnot slip from the surface ?
(1) 5 (2) 10(3) 0.1 (4) 0.7
-
RESONANCE MRBHU130412C0-9
63. A stone is projected from the ground withvelocity 50 m/s at
an angle of 30. It crosses awall after 3s. How far beyond the wall
the stonewill strike the ground ? (g = 10m/s2)(1) 90.2m(2) 89.6m(3)
86.6 m(4) 0.7
64. A body of mass M at rest explodes into three
pieces, two of which of mass 4M
each are throw
off in perpendicular directioins with velocitiesof 3 m/s and
4m/s respectively. The third piecewill be thrown off with velocity
of :
(1) 1.5 m/s(2) 2.0 m/s(3) 2.5 m/s(4) 3.0 m/s
65. Two identical blocks A and B, each of mass mresting on
smooth floor are connected by alight spring of natural length L and
springconstant k with the spring at its natural length.A third
identical block C (mass m) moving witha speed v along the line
joining A and B collideswith A. The maximum compression in
thespring is
(1) k2m
v (2) k2v
m
(3) kmv (4) k2
mv
66. A 500 F capacitor is charged at the steadyrate of 100C/s.How
long will it take to raisethe potential difference between the
plates ofthe capacitor to 10 V ?
(1) 5 s(2) 10s(3) 50s(4) 100s
67. An 8F capacitor is connected across 220 V,50Hz line. What is
peak value of the chargethrough capacitor ?
(1) 2.5 103 C(2) 2.5 104 C(3) 5 105 C(4) 6.9 1015 C
68. A hydrogen-like atom emits radiations offrequency 2.71015 Hz
then its make atransition from n = 2 to n = 1. the frequencyemitted
in transition from n = 3 to n = 1 will be
(1) 1.8 1015 Hz(2) 3.2 1015 Hz(3) 4.7 105 Hz(4) 6.9 1015 Hz
69. The minimum energy to ionize an atom is theenergy required
to :
(1) add one electron to the atom(2) excite the atom from its
ground state to itsfirst excited state
(3) remove one outermost electron from theatom
(4) remove one innermost electron from theatom
-
RESONANCE MRBHU130412C0-10
70. When 1 cm thick surface is illuminated withlight of
wavelength , the stopping potential isV. When the same surface is
illuminated bylight of wavelength 2 , the stopping potentialis V/3
.Threshold wavelength for metallicsurface is
(1) 4/3(2) 4(3) 6(4) 8/ 3
71. The human eye can barely detect a yellow light(6000)that
delivers 1.71018 W to the retina.Nearly how many photons per second
doesthe retina receive ?
(1) 50(2) 5(3) 500(4) More then 5 million
72. An object is placed 21 cm in front of concavemirror of
radius of curvatures 10 cm. A glassslab of thickness 3 cm and = 1.5
is thenplaced close to the mirror .The position of finalimage
formed is
(1) 3.94 cm(2) 4.3 cm(3) 4.93 cm(4) 3.94 cm
73. A convex lens of focal length 1.0 m and aconcave lens of
focal length 0.25 m are0.75 m apart.A parallel beam of light is
incidentin the convex lens. The beam emerging afterrefraction from
both lenses is
(1) Parallel to principle axis(2) convergent(3) divergent(4)
None of the above
74. The radii of curvature of the two surfaces of alens are 20
cm and 30 cm and the refractiveindex of the material of the lens is
1.5 . If thelens is concavo-convex, then the focal lengthof the
lens is
(1) 24 cm(2) 10 cm(3) 15 cm(4) 120 cm
75. Two instruments having stretched strings arebeing played in
unison. When the tension inone of the instruments is increased by
1%,3 beats are produced in 2 s. The initialfrequency of vibration
of each wire is
(1) 600 Hz(2) 300 Hz(3) 200 Hz(4) 150 Hz
-
RESONANCE MRBHU130412C0-11
76. Two conducting spheres of radii R1and R2 arecharged with
charges Q1 and Q2 respectively.On bringing them in contact , there
is
(1) no change in the energy of the system(2) an increase in the
energy of the system Q1R2 Q2R1(3) always a decrease in the energy
of thesystem
(4) a decrease in the energy of the system ifQ1 R2 Q2R1
77. An electron with the speed 5106 per sec isshooted parallel
to the electric field of intensity1103 N/C. Field is responsible
for theretardation of motion of electron. Now evaluatethe distance
travelled by the electron beforecoming to rest for an instant (mass
ofe = 9 1031 kg, charge = 1.6 1019)(1) 7m(2) 0.7 mm(3) 7cm(4) 0.7
cm
78. A source of sound is travelling at 3100
ms1
along a road, towards a point A . When thesource is 3 m away
from A, a person standingat a point O on a rod perpendicular of
frequencyv. The distance of O from A that times is 4m.
If the original frequency is 640 Hz, then thevalue of observed
real frequency is : (Giventhat velocity of sound = 340 ms1)
(1) 620 Hz(2) 680 Hz(3) 720 Hz(4) 840 Hz
79. The sun delivers 104 W/m2 of electromagneticflux to the
earths surface.The total power thatis incident on roof of
dimensions (10 10) m2will be
(1) 104 W(2) 105 W(3) 106 W(4) 107 W
80. X-rays are not used for radar purposes,because they are not
:
(1) reflected by target(2) partly absorbed by target(3)
electromagnetic waves(4) completely absorbed by target
-
RESONANCE MRBHU130412C0-12
81. A 50 Hz Ac current of crest value 1 A. flowsthrough the
primary coil of a transformer. Ifmutual induction between primary
andsecondary is 1.5 H, the crest voltage inducedin the secondary
coil is
(1) 272 V(2) 320 V(3) 415 V(4) 471 V
82. Find the inductance of a solenoid of length whose windings
are made of material ofdensity D and resistivity . The
windingresistance is R.
(1) DRm
.
40
l
(2) DRm
.
R40
(3) DRm
.
40
l
(4) Dm
.
R20
l
83. A toroid is along coil of wire, wound over acircular core.
The coefficient of self-inductanceof the toroid is given by (radius
= r) , when themagnetic field is within it is uniform and R
>> r
(1) R2NrL
20 (2) R2
NrL 0
(3) RNrL
20 (4)
R2rNL
220
84. A galvanometer of resistance 50 isconnected to battery of 3
V along with aresistance of 2950 in series. A full scaledeflection
of 30 divisions is obtained in thegalvanometer. In order to reduce
thisdeflection to 20 divisions the resistance inseries should be
:
(1) 4450(2) 5050(3) 5550(4) 6050
85. A magnet is suspended in such a way that itoscillates in the
horizontal plane. It makes20 oscillations per minute at plane
where20 oscillations per minute at a plane where dipangle is 30and
15 oscillations per minute at aplace where dip angle is 60 . The
ratio ofearths magnetic fields at two places is
(1) 8:33
(2) 16 : 39(3) 4 : 9(4) 3:22
86. A wire carrying current i and other carrying 2iin the same
direction produce a magnetic fieldB at the midpoint.What will be
the field when 2icurrent is switched off ?
(1) B/2(2) 2B(3) B(4) 4B
-
RESONANCE MRBHU130412C0-13
87. An electric immersion heater of 1.08 kw isimmersed in water.
After the water has reacheda temperature of 100C, how much time
willbe required to produce 100g of steam ?
(1) 50 s(2) 240 s(3) 105 s(4) 210 s
88. The resistance of the filament of a lampincreases with the
increase in temperature. Alamp rate 100 W and 200V is
connectedacross 220 V power supply. If the voltage dropsby 10% then
the power of the lamp will be
(1) 90W(2) 81 W(3) between 90 and 100W(4) between 81 and 90
W
89. A parallel plate air capacitor of capacitance C0is connected
to a cell of emf V and thendisconnected from it. A dielectric slab
ofdielectric constant K, which can just fill the airgap of the
capacitor, is now inserted in it. Whichof the following is
incorrect ?
(1) The potential diffrence between the platesdecreases K
times
(2) The energy stored in the capacitordecreases K times
(3) The change in energy )1K(VC21 2
0
(4) The change in energy
1K1VC
21 2
0
90. A body of mass 6 kg is under a force which
causes displacement in it given by 4t
s2
m
where t is time. The work done by the force in2s is :
(1) 12J(2) 9 J(3) 6 J(4) 3 J
91. The Reynolds number of a flow is the ratio of :
(1) gravity to viscous force(2) gravity force to pressure
force(3) inertia force to viscous force(4) viscous force to
pressure force
92. The kinetic energy of 1 g molecule of a gasat normal
temperature and pressure is(R = 8.31J/mol-k)(1) 1.3 102(2) 2.7102
J(3) 0.56 104J(4) 3.4 103 J
93. An ideal gas heat operates in Carnot cyclebetween 227 C. It
absorbs 6 104 cal of heatat higher temperature. Amount of
heatconverted to work is
(1) 2.4 104 cal(2) 6 104 cal(3) 1.2 104 cal(4) 4.8 104 cal
-
RESONANCE MRBHU130412C0-14
94. A charged particle enters a magnetic field Hwith its initial
velocity making angle of 45 withH. The path of the particle will be
:
(1) straight line(2) a circle(3) an ellips(4) a helix
95. The dimensional formula for Boltzmannsconstant is
(1) [M L2 T2 1](2) [M L2 T2 ](3) [M L0 T2 2](4) [M L2 T2 1]
96. A particle moves along a straight line OX. At atime t (in
second ) the distance x (in metre) ofthe particle from O is given
by x = 40 + 12t t3.How long would the particle travel beforecoming
to rest ?
(1 ) 24 m(2) 40 m(3) 56 m(4) 16m
97. The velocity of an electron in the second orbitof sodium
atom (atomic number = 11) is v. Thevelocity of an electron its
fifth orbit will be :
(1) v
(2) v522
(3) v25
(4) v52
98. Choose the correct statement.
(1) When we heat a semiconductor itsresistance increase
(2) When we heat a semiconductor itsresistance decreases
(3) When we cool a semiconductor to 0 K thenit becomes
superconductor
(4) Resistance of a semiconductor isindependent of
temperature
99. 3.8 days is the half-life period of a sample. After
how many days, the sample will become 81 th
of the original substance ?
(1) 11.4(2) 3.8(3) 3(4) None of these
100. If E = at + bt2 , what is the neutraltemperature ?
(1) b2a
(2) b2a
(3) ba
(4) ba
-
RESONANCE MRBHU130412C0-15
Straight Objective Type
This section contains 100 multiple choicequestions. Each
question has 4 choices (1), (2),(3) and (4) for its answer, out of
which ONLYONE is correct.
PART-C
101.Given below are four methods (A-D) and theirmodes of action
(1-4) in achievingcontraception. Select their correct matchingfrom
the four options that follow.Method Mode of Action
A. The pill 1. Prevents sperms reaching cervix
B. Condom 2. Prevents implantation
C. Vasectomy 3. Prevents ovulation
D. Copper-T 4. Semen contains nosperms
A B C D(1) 3 1 4 2(2) 4 1 2 3(3) 3 4 1 2(4) 2 3 1 4
102.Polysome is formed by(1) several ribosomes attached to a
singlemRNA(2) many ribosomes attached to a strand ofendoplasmic
reticulum(3) a ribosome with several subunits(4) ribosomes attached
to each other in a lineararrangement
103. What is vital capacity of our lungs?(1) Inspiratory reserve
volume plus tidal volume(2) Total lung capacity minus expiratory
reservevolume(3) Inspiratory reserve volume plus expiratoryreserve
volume(4) Total lung capacity minus residual volume
104. Which one of the following is the truedescription about an
animal concerned?(1) Earthworm-Typhlosole is a structurepresent in
gizzard
(2) Frog-Body divisible into three regions-head,neck and
trunk(3) Hydra - Complete digestion takes place incoelenteron
only(4) Cockroach-10 pairs of spiracles
105. Haploids are more suitable for mutation studiesthan the
diploids. This is because(1) haploids are reproductively more
stable thandiploids(2) mutagenes penetrate in haploids
moreeffectively than in diploids(3) haploids are more abundant in
nature thandiploids(4) all mutations, whether dominant orrecessive
are expressed in haploids
106. Which one of the following is the correctstatement
regarding the particular psychotropicdrug specified?(1) Hashish
causes alter thought perceptionsand hallucinations(2) Opium
stimulates nervous system andcauses hallucinations(3) Morphine
leads to delusions and disturbedemotions(4) Barbiturates cause lack
of sleep (insomnia)
-
RESONANCE MRBHU130412C0-16
107.What does the filiform apparatus do at theentrance into
ovule?(1) It helps in the entry of pollen tube into asynergid(2) It
prevents entry of more than one pollentube into the embryo sac(3)
It brings about opening of the pollen tube(4) It guides pollen tube
from a synergid to egg
108.According to Central Pollution Control Board(CPCB), which
particulate size in diameter (inmicrometres) of the air pollutants
isresponsible for greatest harm to humanhealth?(1) 2.5 or less(2)
1.5 or less(3) 1.0 or less(4) 5.2 or 2.5
109.During the propagation of a nerve impulse, theaction
potential results from the movement of(1) K+ ions from
extracellular fluid to intracellularfluid(2) Na+ ions from
intracellular f luid toextracellular fluid(3) K+ ions from
intracellular fluid to extracellularfluid(4) Na+ ions from
extracellular f luid tointracellular fluid
110. In germinating seeds, fatty acids are degradedexclusively
in the(1) proplastids (2) glyoxysomes(3) peroxisomes (4)
mitochondria
111. The most active phagocytic white blood cellsare
(1) neutrophils and eosinophils(2) lymphocytes and
macrophages(3) eosinophils and lymphocytes(4) neutrophils and
monocytes
112. In humans, blood passes from the post cavalto the diastolic
right atrium of heart due to(1) pushing open of the venous
valves(2) suction pull(3) stimulation of the sino auricular node(4)
pressure difference between the caval andatrium
113. Which one of the following item gives itscorrect total
number?(1) Floating ribs in humans 4(2) Amino acids found in
proteins 16(3) Types of diabetes 3(4) Cervical vertebrae in humans
8
114. Vacuole in a plant cell(1) is membrane-bound and contains
storageproteins and lipids(2) is membrane-bound and contains
waterand excretory substances(3) lacks membrane and contains air(4)
lacks membrane and contains water andexcretory substances
115. Which one of the following is resistant toenzyme action?(1)
Cork (2) Wood fibre(3) Pollen exine (4) Leaf cuticle
-
RESONANCE MRBHU130412C0-17
116. Which one of the following is not acharacteristic of
phylum-Annelida?
(1) Closed circulatory system(2) Segmentation(3) Pseudocoelom(4)
Ventral nerve cord
117. What is antisense technology?(1) A cell displaying a
foreign antigen used forsynthesis of antigens(2) Production of
somaclonal variants in tissuecultures(3) When a piece of RNA that
is complementaryin sequence is used to stop expression of aspecific
gene(4) RNA polymerase producing DNA
118. Importance of day length in flowering of plantswas first
shown in(1) Lemna (2) tobacco(3) cotton (4) Petunia
119. The two subunits of ribosome remain unitedat a critical ion
level of(1) copper (2) manganese(3) magnesium (4) calcium
120.The energy-releasing process in which thesubstrate is
oxidised without an externalelectron acceptor is called(1)
fermentation (2) photorespiraton(3) aerobic respiration (4)
glycolysis
121. Cornea transplant in humans is almost neverrejected. This
is because(1) its cells are least penetrable by bacteria(2) it has
no blood supply(3) it is composed of enucleated cells(4) it is a
non-living layer
122. Cry-I endotoxins obtained from Bacillusthuringiensis are
effective against(1) mosquitoes (2) flies(3) nematodes (4) boll
worms
123. In which one of the following, the male andfemale
gametophytes dont have free-livingindependent existence?(1) Pteris
(2) Funaria(3) Polytrichum (4) Cedrus
124. In human adult females, oxytocin(1) is secreted by anterior
pituitary(2) stimulates growth of mammary glands(3) stimulates
pituitary to secrete vasopressin(4) causes strong uterine
contractions duringparturition
125. Main objective of production/use of herbicideresistant GM
crops is to(1) eliminate weeds from the field without theuse of
manual labour(2) eliminate weeds from the field without theuse of
herbicides(3) encourage eco-friendly herbicides(4) reduce herbicide
accumulation in foodparticles for health safety
-
RESONANCE MRBHU130412C0-18
126.A competit ive inhibitor of succinicdehydrogenase is(1)
malonate(2) oxaloacetate(3) -ketoglutarate(4) malate
127.Which one of the following pair of nitrogenousbases of
nucleic acids, is wrongly matchedwith the category mentioned
against it?(1) Thymine, Uracil Pyrimidines(2) Uracil, Cytosine
Pyrimidines(3) Guanine, Adenine Purines(4) Adenine, Thymine
Purines
128.Human insulin is being commercially producedfrom a
transgenic species of(1) Escherichia (2) Mycobacterium(3) Rhizobium
(4) Saccharomyces
129.Bacterial leaf blight of rice is caused by aspecies of(1)
Xanthomonas (2) Pseudomonas(3) Alternaria (4) Erwinia
130. In humans, at the end of the first meiotic division,the
male germ cells differentiate into the(1) primary spermatocytes(2)
secondary spermatocytes(3) spermatids(4) spermatogonia
131.Electrons from excited chlorophyll molecule ofphotosystem-II
are accepted first by(1) cytochrome-b (2) cytochrome-f(3) quinone
(4) ferredoxin
132. To which type of barriers under innateimmunity, do the
saliva in the mouth and thetears from the eyes, belong?(1) Cytokine
barriers(2) Cellular barriers(3) Physiological barriers(4) Physical
barriers
133. Cellulose is the major component of cell walls of(1)
Pythium(2) Xanthomonas(3) Pseudomonas(4) Saccharomyces
134.The slow rate of decomposition of fallen logsin nature is
due to their(1) low moisture content(2) poor nitrogen content(3)
anaerobic environment around them(4) low cellulose content
135. In leaves of C4-plants malic acid synthesisduring
CO2-fixation occurs in(1) epidermal cells(2) mesophyll cells(3)
bundle sheath(4) guard cells
136. Earthworms have no skeleton but duringburrowing, the
anterior end becomes turgidand acts as a hydraulic skeleton. It is
due to(1) coelomic fluid (2) blood(3) gut peristalsis (4) setae
-
RESONANCE MRBHU130412C0-19
137.Which one of the following pairs of organsincludes only the
endocrine glands?(1) Parathyroid and adrenal(2) Pancreas and
parathyroid(3) Thymus and testes(4) Adrenal and ovary
138.Replum is present in the ovary of flower of(1) lemon (2)
mustard(3) sunflower (4) pea
139.Darwins finches are an excellent example of(1) adaptive
radiation(2) seasonal migration(3) brood parasitism(4) connecting
links
140.Endosperm is consumed by developingembryo in the seed of(1)
coconut (2) castor(3) pea (4) maize
141.Dry indehiscent single-seeded fruit formedfrom bicarpellary
syncarpous inferior ovary is(1) caryopsis (2) cypsela(3) berry (4)
cremocarp
142.Nitrogen-fixation in root nodules of Alnus isbrought about
by(1) Bradyrhizobium (2) Clostridium(3) Frankia (4)
Azorhizobium
143.Which one of the following is heterosporous?(1) Dryopetris
(2) Salvinia(3) Adiantum (4) Equisetum
144.The C4-plants are photosynthetically moreefficient than
C3-plants because(1) the CO2 compensation point is more(2) CO2
generated during photorespiration istrapped and recycled through
PEPcarboxylase(3) the CO2 efflux is not prevented(4) they have more
chloroplasts
145. Which one of the following is linked to thediscovery of
Bordeaux mixture as a popularfungicide?(1) Bacterial leaf blight of
rice(2) Downy mildew of grapes(3) Loose smut of wheat(4) Black rust
of wheat
146. Consider the following four measures (A-D)that could be
taken to successfully grow chickpea in an area where bacterial
blight diseaseis common.A. Spray with Bordeaux mixture.B. Control
of the insect vector of the diseasepathogen.C. Use of only
disease-free seeds.D. Use of varieties resistant to the
disease.
Which two of the above measures can controlthe disease?(1) B and
C (2) A and B(3) C and D (4) A and D
147. The haemoglobin of a human foetus(1) has a lower affinity
for oxygen than that ofthe adult(2) its affinity for oxygen is the
same as that ofan adult(3) has only two protein subunits instead of
four(4) has a higher affinity for oxygen than that ofan adult
-
RESONANCE MRBHU130412C0-20
148.The rupture and fractionation do not usuallyoccur in the
water column in vessel/tracheidsduring the ascent of sap because
of(1) lignified thick walls(2) cohesion and adhesion(3) weak
gravitational pull(4) transpiration pull
149.Vascular tissues in flowering plants developfrom(1)
phellogen (2) plerome(3) periblem (4) dermatogen
150.Which type of white blood cells are concernedwith the
release of histamine and the naturalanticoagulant heparin?(1)
Neutrophils (2) Basophils(3) Eosinophils (4) Monocytes
151.The fleshy receptacle of syconous of figencloses a number
of(1) achenes (2) samaras(3) berries (4) mericarps
152.Mitochondria of a sperm occur in its(1) Head (2) Middle
piece(3) Tail (4) Whole of it
153.Modern detergents contain enzymepreparations of(1)
acidophiles (2) alkaliphiles(3) thermoacidophiles (4)
thermophiles
154.The linking of antibiotic resistance gene withthe plasmid
vector became possible with(1) DNA ligase (2) endonucleases(3) DNA
polymerase (4) exonucleases
155. The fruit is chambered, developed from inferiorovary and
has seeds with succulent testa in(1) pomegranate (2) orange(3)
guava (4) cucumber
156. The centromere or primary constriction of thechromosome
contains rings of proteins thatare intimately associated with a
spindle fibre.These rings are called(1) centrioles(2) secondary
constriction(3) asters(4) kinetochores
157. Which of the following is correct order of theevolutionary
history of man?(1) Peking man, Homo sapiens, Neanderthalman,
Cro-Magnon man(2) Peking man, Neanderthal man, Homosapiens,
Cro-Magnon man(3) Peking man, Hedelberg man,Neanderthalman,
Cro-Magnon man(4) Peking man, Neanderthal man, Homosapiens,
Hedelberg man
158. First life on earth was(1) cyanobacteria(2)
chemoheterotrophs(3) autotrophs(4) photoautotrophs
159. In negative operon(1) co-repressor binds with repressor(2)
co-repressor does not bind with repressor(3) co-repressor binds
with inducer(4) c-AMP has negative effect on lac operon
-
RESONANCE MRBHU130412C0-21
160.Which one correctly describes homologous
structures
(1) Organs with anatomical similarities but performingdifferent
functions(2) Organs with anatomical dissimilarities butperforming
same function(3) Organs that have no function now but had
animportant function in ancestors(4) Organs appearing only in
embryonic stage anddisappearing later in the adult
161.Sickle cell anaemia is due to(1) change of amino acid in
-chain ofhaemoglobin(2) change of amino acid in -chain
ofhaemoglobin(3) change of amino acid in both and chainsof
haemoglobin(4) change of amino acid in either or chainof
haemoglobin
162.Reason of diversity in living beings is(1) mutation(2) long
term evolutionary change(3) gradual change(4) short term
evolutionary change
163.Which of the following metal pollution causessterility in
human beings?(1) Mercury (2) Arsenic(3) Manganese (4) Chromium
164.Which of the following is closest relative ofman?(1)
Chimpanzee (2) Gorilla(3) Orangutan (4) Gibbon
165. In his experiment, Mendel obtained wrinkledpea. The
wrinkling was due to deposition ofsugar instead of starch. This
happened due tothe enzyme(1) amylase(2) invertase(3) diastase(4)
absence of starch-branching enzyme
166. Which of these do not follow independentassortment?(1)
Genes on non-homologous chromosomesand absence of linkage(2) Genes
on homologous chromosomes(3) Linkage genes on same chromosomes(4)
Unlinked genes on same chromosome
167. A mutant strain of T4-bacteriophage R-II, failsto lyse the
E.coli but when two strains R-II andR-11 3' are mixed then they
lyse the E.coli. Whatmay be the possible reason?(1) Bacteriophage
transforms in wild(2) It is not mutated(3) Both strains have
similar cistrons(4) Both strains have different cistrons
168. At the time of organogenesis, genes regulatethe process at
different levels and at differenttime due to(1) promoter (2)
regulator(3) intron (4) exon
169. Heavy rainfall during summer produces(1) desert (2)
grassland(3) forest (4) wetland
-
RESONANCE MRBHU130412C0-22
170.Which of the following are less general incharacters as
compared to genus?(1) Species (2) Division(3) Class (4) Family
171.Element necessary for the middle lamella is(1) Calcium (2)
Zinc(3) Potassium (4) Copper
172.Extranuclear chromosomes occcur in(1) peroxisome and
ribosome(2) chloroplast and mitochondria(3) mitochondria and
ribosome(4) chloroplast and lysosome
173.Spoilage of oil can be detected by which fattyacid?(1) Oleic
acid (2) Linolenic acid(3) Linoleic acid (4) Erusic acid
174.What is true for archaebacteria?(1) All are halophilic(2)
All are photosynthetic(3) All are fossils(4) These are oldest
living beings
175.Which one of the following is correct match?(1) Reserpine
Tranquiliser(2) Cocaine Opiatic narcotic(3) Morphine
Hallucinogenic(4) Bhang Analgesic
176.Which fish selectively feeds on the larva ofmosquito?(1)
Gambusia (2) Rohu(3) Clarias (4) Exocoetus
177. Forthcoming generations are less adaptivethan their
parental generation due to(1) natural selection (2) mutation(3)
genetic drift (4) adaptation
178. Due to discovery of which of the following in1980s, the
evolution was termed as RNAworld?(1) mRNA, tRNA, rRNA synthesise
proteins(2) In some viruses, RNA is genetic material(3) Some RNAs
have enzymatic property(4) RNA is not found in all cells
179. A and B genes are linked. What shall be thegenotype of
progeny in a cross between AB/ab and ab/ab?(1) AAbb and aabb (2)
AaBb and aabb (3) AABB and aabb (4) None of these
180. When dominant and recessive alleles expresstogether, it is
called(1) codominance(2) dominance(3) amphidominance(4)
pseudodominance
181. Maximum number of bases in plasmidsdiscovered so far is(1)
50 kilobase (2) 500 kilobase(3) 5,000 kilobase (4) 5 kilobase
182. Half life period of C14 is(1) 500 years (2) 5,000 years(3)
50 years (4) 5 x 1014 years
-
RESONANCE MRBHU130412C0-23
183.The end product of Ornithine cycle is(1) urea (2) uric
acid(3) ammonia (4) carbon dioxide
184.Which one is correctly matched?(1) Vitamin-E Tocopherol(2)
Vitamin-D Riboflavin(3) Vitamin-B Calciferol(4) Vitamin-A
Thiamine
185.In Hydra, waste material of food digestion andnitrogenous
waste material are removed from(1) mouth and mouth(2) body wall and
body wall(3) mouth and body wall(4) mouth and tentacles
186.Which of the following chamber of heart hasthe thickest
muscular wall?(1) Left auricle (2) Left ventricle(3) Right
ventricle (4) Right auricle
187.Which gland plays key role in metamorphosisof frog?(1)
Adrenal (2) Thyroid(3) Thymus (4) Pancreas.
188.Restriction endonucleases are used as(1) molecular build up
at nucleotides(2) molecular degradation to DNA breakup(3) molecular
knives for cutting DNA at specificsites(4) molecular cement to
combine DNA sites
189. plant cell has potential to develop into a fullplant. This
is called(1) totipotency (2) gene cloning(3) tissue culture (4)
regeneration
190. Experimental proof that organic compoundsformed the basis
of evolution was given by(1) Oparin(2) Pasteur(3) Miller and
Urey(4) Spallanzani
191. Number of Barr bodies in XXXX female(1) one (2) two(3)
three (4) four
192. Who coined the term zymase?(1) Pasteur (2) Buchner(3) Kuhne
(4) Sumner
193. Which is the example of conditioned reflex?(1) Eye closed
when anything enter into it(2) Rapid withdrawl of hand while
pricked(3) cycling(4) Digestion food goes forward in
alimentarycanal
194.The spice saffron is obtained from which oneof the
following?(1) Corolla (2) Stamen(3) Stigma (4) Tender tip of
leaf
195.The coconut water is a part of(1) nucellus (2) pericarp(3)
embryo (4) endosperm
-
RESONANCE MRBHU130412C0-24
196.Turmeric has recently become widely popularas a
(1) condiment(2) source of insecticides(3) source of
antibiotics(4) source of pigments
197.A community of organisms interacting withabiotic
environmental factors constitutes(1) a niche(2) a biogeochemical
cycle(3) an ecosystem(4) a food chain
198.The food chain in which microbes breakdownenergy rich
compounds synthesised byproducers is called(1) ecosystem(2)
parasitic food chain(3) detritus food chain(4) predator food
chain
199. The function of renin is(1) vasodilation(2) reduce blood
pressure(3) degradation of angiotensinogen(4) None of the above
200. Heart beat increases at the time of interviewbecause(1)
hypersecretion of renin(2) hyposecretion of renin(3) secretion of
adrenaline(4) Secretion of thyroxine