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Question 1 of 200
1. Question
Category: PhysicsDimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and of current I, would be:-
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Question 2 of 200
2. Question
Category: PhysicsA particle moving along x-axis has acceleration f, at time t, given by
f = f0
, where f0 and T are constants. The particle at t = 0 has zero velocity. In the time interval between t = 0 and the instant when f = 0, the particle’s velocity (vx) is:
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Question 3 of 200
3. Question
Category: PhysicsA car moves from X to Y with a uniform speed \(v_u\) and returns to Y with a uniform speed \(v_d. \)The average speed for this round trip is:-
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Question 4 of 200
4. Question
Category: PhysicsA particle staring from the origin (0, 0) moves in a straight line in the (x, y) plane. Its coordinates at a later time are\( (\sqrt{3},3) \). The path of the particle makes with the x-axis an angle of:-
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Question 5 of 200
5. Question
Category: PhysicsA block B is pushed momentarily along a horizontal surface with an initial velocity v. If µ is the coefficient of sliding friction between B and the surface, block B will come to rest after a time:-
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Question 6 of 200
6. Question
Category: PhysicsA vertical spring with force constant K is fixed on a table. A ball of mass m at a height h above the free upper end of the spring falls vertically on the spring so that the spring is compressed by a distance d. The net work done in the process is:-
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Question 7 of 200
7. Question
Category: PhysicsA wheel as angular acceleration of 3.0 rad/sec\(^2\) and initial angular speed of 2.00 rad/sec. In a time of 2 sec it has rotated through an angle (in radian) of :
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Question 8 of 200
8. Question
Category: Physics\(\vec{A}\) and \(\vec{B}\) are two vectors and \(\theta\) is the angle between them, if \(|\vec{A}\times\vec{B}| =\sqrt{3}(\vec{A}.\vec{B})\) the value of ? is:-
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Question 9 of 200
9. Question
Category: BiologyThe position x of a particle with respect to time t along x-axis is given by x = 9t\(^2\) – t\(^3\) where x is in metres and t in seconds. What will be the position of this particle when it achieves maximum speed along the + x direction ?
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Question 10 of 200
10. Question
Category: PhysicsA mass of 2.0 kg is put on a flat pan attached to a vertical spring fixed on the ground as shown in the figure. The mass of the spring and the pan is negligible. When pressed slightly and released the mass executes a simple harmonic motion. The spring constant is 200N/m. What should be the minimum amplitude of the motion so that the mass gets detached from the pan (Take g = 10 m/s\(^2\) )
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Question 11 of 200
11. Question
Category: PhysicsA particle of mass m moves in the XY plane with a velocity v along the straight line AB. If the angular momentum of the particle with respect to origin O is \(L_A\) when it is at A and \(L_B\) when it is at B, then :
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Question 12 of 200
12. Question
Category: PhysicsA uniform rod AB of length l and mass m is free to rotate about point A. The rod is released from rest in the horizontal position. Given that the moment of inertia of the rod about A is \(\frac{ml^{2}}{3}\)the initial angular acceleration of the rod will be:-
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Question 13 of 200
13. Question
Category: PhysicsTwo satellites of earth, S\(_1\) and S\(_2\), are moving in the same orbit. The mass of S1 is four times the mass of S\(_2\). Which one of the following statements is true ?
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Question 14 of 200
14. Question
Category: PhysicsAssuming the sun to have a spherical outer surface of radius r, radiating like a black body at temperature tºC, the power received by a unit surface, (normal to the incident rays) at distance R from the centre of the Sun is:-
Where \(\sigma\) is the Stefan’s Constant.
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Question 15 of 200
15. Question
Category: PhysicsAn engine has an efficiency of 1/6. When the temperature of sink is reduced by 62ºC, its efficiency is doubled. Temperature of the source is-
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Question 16 of 200
16. Question
Category: PhysicsA black body is at 727ºC. It emits energy at a rate which is proportional to:
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Question 17 of 200
17. Question
Category: PhysicsThe frequency of a light wave in a material is \(2 × 10^{14}\) Hz and wavelength is 5000 Å. The refractive index of material will be:-
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Question 18 of 200
18. Question
Category: PhysicsThe phase difference between the instantaneous velocity and acceleration of a particle executing simple harmonic motion is:-
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Question 19 of 200
19. Question
Category: PhysicsThe particle executing simple harmonic motion has a ienetic energy K0 cos\(^{2}\omega\)t. The maximum values of the potential energy and the total energy are respectively:-
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Question 20 of 200
20. Question
Category: PhysicsA particle executes simple harmonic oscillation with an amplitude a. The period of oscillation is T.The minimum time taken by the particle to travel half of the amplitude from the equilibrium position is:
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Question 21 of 200
21. Question
Category: PhysicsThe electric and magnetic field of an electromagnetic wave are:-
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Question 22 of 200
22. Question
Category: PhysicsA small coin is resting on the bottom of a beaker filled with a liquid. A ray of light from the coin travels upto the surface of the liquid and moves along its surface (see figure)
How fast is the light traveling in the liquid ?
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Question 23 of 200
23. Question
Category: PhysicsCharge +q and –q are placed at points A and B respectively which are at distance 2L apart, C is the midpoint between A and B. The work done in moving a charge + Q along the semicircle CRD is:-
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Question 24 of 200
24. Question
Category: PhysicsA hollow cylinder has a charge q coulomb within it,If φ is the electric flux in units of voltmeter associated with the curved surface B, the flux linked with the plane surface A in units of voltmeter will be-
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Question 25 of 200
25. Question
Category: PhysicsThree point charges +q, –2q and +q are placed at points (x = 0, y = a, z = 0), (x = 0,y = 0, z = 0) and (x = a, y = 0, z = 0) respectively. The magnitude and direction of the electric dipole moment vector of this charge assembly are:-
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Question 26 of 200
26. Question
Category: PhysicsTwo condensers, one of capacity C and the other of capacity \(\frac{c}{2}\), are connected to a V-volt battery, as shown-
The work done in charging fully both the
condensers is:
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Question 27 of 200
27. Question
Category: PhysicsThe total power dissipated in watts in the circuit shown here is:-
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Question 28 of 200
28. Question
Category: PhysicsA steady current of 1.5 amp flows through a copper voltameter for 10 minutes. If the electrochemical equivalent of copper is \(30 × 10^{–5} gm coulomb^{–1}\), the mass of copper deposited on the electrode will be: –
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Question 29 of 200
29. Question
Category: PhysicsIf the cold junction of a thermo-couple is kept at 0ºC and the hot junction is kept at TºC, then the relation between neutral temperature\( (T_n)\) and temperature of inversion \((T_i)\) is:
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Question 30 of 200
30. Question
Category: PhysicsThree resistances P, Q, R each of 2\(\Omega\) and an unknown resistance S form the four arms of a Wheatstone bridge circuit. When a resistance of 6\(\Omega\) is connected in parallel to S the bridge gets balanced. What is the value of S ?
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Question 31 of 200
31. Question
Category: PhysicsThe resistance of an ammeter is 13\(\Omega\) and its scale is graduated for a current upto 100 amps. After and additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 amperes by this meter. The value of shunt-resistance is-
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Question 32 of 200
32. Question
Category: PhysicsUnder the influence of a uniform magnetic field a charged particle is moving in a circle of radius R with constant speed v. The time period of the motion-
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Question 33 of 200
33. Question
Category: PhysicsA charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment µ is given by:
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Question 34 of 200
34. Question
Category: PhysicsA beam of electrons passes undeflected through mutually perpendicular electric and magnetic fields. It the electric field is switched off, and the same magnetic field is maintained, the electrons move:
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Question 35 of 200
35. Question
Category: PhysicsThe primary and secondary coils of a transformer have 50 and 1500 turns respectively. If the magnetic flux \(\Psi\) linked with the primary coil is given by \(\Psi = \Psi_0 + 4t\), where \(\Psi\) is in webers, t is time in seconds and \(\Psi_0\) is a constant, the output voltage across the secondary coil is:
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Question 36 of 200
36. Question
Category: PhysicsWhat is the value of inductance L for which the current is a maximum in a series LCR circuit with C = 10 \(\mu\) F and \(\omega\) = 1000s\(^{–1 }\)?
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Question 37 of 200
37. Question
Category: PhysicsA transformer is used to light a 100 W and 110V lamp from a 220V mains. If the main current is 0.5 amp, the efficiency of the transformer is approximately-
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Question 38 of 200
38. Question
Category: PhysicsNickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature then it will show:-
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Question 39 of 200
39. Question
Category: PhysicsA 5 watt source emits monochromatic light of wavelength 5000 Å. When placed 0.5 m away, it liberates photoelectrons from a photosensitive metallic surface. When the source is moved to a distance of 1.0m, the number of photo electrons liberated will :
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Question 40 of 200
40. Question
Category: PhysicsMonochromatic light of frequency\( 6.0 × 10^{14 }\)Hz is produced by a laser. The power emitted is \(2 × 10^{–3}\)W. The number of photons emitted, on the average, by the source per second is:-
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Question 41 of 200
41. Question
Category: PhysicsIn a mass spectrometer used for measuring the masses of ions, the ions are initially accelerated by an electric potential V and then made to describe semicircular paths of radius R using a magnetic field B. If V and B are kept constant, the ratio \((\frac{charge on the ion}{mass of the ion}) \)will be proportional to:-
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Question 42 of 200
42. Question
Category: PhysicsIf the nucleus\(^{27}Al_ {13}\) has a nuclear radius of about 3.6 fm, the \(^{125}Te_ {52}\)would have its radius approximately as:-
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Question 43 of 200
43. Question
Category: PhysicsIn radioactive decay process, the negatively charged emitted β-particles are:-
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Question 44 of 200
44. Question
Category: PhysicsA nucleus \(^{A}X_{Z}\) has mass represented by M(A,Z). If\( M_p and M_n\) denote the mass of proton and neutron respectively and B.E. the binding energy in MeV, then:
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Question 45 of 200
45. Question
Category: PhysicsTwo radioactive substances A and B have decay constants5\(\lambda\) and\(\lambda\) respectively. At t = 0 they have the same number of nuclei. The ratio of number of nuclei of A to those of B will be \((\frac{1}{e})^{2} \)after a time interval:-
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Question 46 of 200
46. Question
Category: PhysicsThe total energy of electron in the ground state of hydrogen atom is –13.6 eV. The kinetic energy of an electron in first excited state is:-
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Question 47 of 200
47. Question
Category: PhysicsIn the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons respectively. The material is:-
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Question 48 of 200
48. Question
Category: PhysicsA common emitter amplifier has voltage gain of 50, an input impedance of 100\(\Omega\) and an output impedance of 200 \(\Omega\). The power gain of the amplifier is:-
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Question 49 of 200
49. Question
Category: PhysicsIn the following circuit, the output Y for all possible inputs A and B is expressed by the truth table:-
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Question 50 of 200
50. Question
Category: PhysicsFor a cubic crystal structure which one of the following relations indicating the cell characteristics is correct:
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Question 51 of 200
51. Question
Category: ChemistryWith which of the following electronic configuration of an atom has the lowest ionization enthalpy:
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Question 52 of 200
52. Question
Category: ChemistryAn element, X has the following isotopiccomposition; \(^{200}X : 90% ^{199}X : 8.0% ^{202}X : 2.0%\) The weighted average atomic mass of the naturally-occurring element X is closest to:
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Question 53 of 200
53. Question
Category: ChemistryConcentrated aqueous sulphuric acid is 98% \(H_{2}SO_{4}\) by mass and has a density of 1.80 g.mL\(^{–1}\). Volume of acid required to make 1 litre of 0.1 \(M H_{2}SO_{4} \)solution is:
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Question 54 of 200
54. Question
Category: ChemistryConsider the following sets of quantum number:
n l m s
(a) 3 0 0 +½
(b) 2 2 1 +½
(c) 4 3 –2 –½
(d) 1 0 –1 –½
(e) 3 2 3 +½
Which of the following sets of quantum number is not possible:
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Question 55 of 200
55. Question
Category: ChemistryThe number of moles of \(KMnO_{4} \)that will be needed to react with one mole of sulphite ion in acidic solution is:
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Question 56 of 200
56. Question
Category: ChemistryIn a first order reaction A \(\to\) B, if k is rate constant and initial concentration of the reactant A is 0.5 M then the half-life is:
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Question 57 of 200
57. Question
Category: ChemistryThe reaction of hydrogen an iodine monochloride is given as \( H_{2(g) }+ 2ICl_{(g)} \to 2HCl_{(g)} + I_{2(g)}\) This reaction is of first order with respect to H2(g) and ICl\(_{(g)}\), following mechanisms were proposed
Mechanism A: \(H_{2(g)} + 2ICl_{(g)} \to 2HCl_{(g)} + I_{2(g)}\)
Mechanism B : \(H_{2(g)} + ICl_{(g)} \to HCl_{(g)} + HI_{(g)}\) ; Slow \(HI_{(g)} + ICl_{(g)} \to HCl_{(g)} + I_{2(g)} \); Fast Which of the above mechanism(s) can be consistent with the given information about the reaction:
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Question 58 of 200
58. Question
Category: ChemistryIf 60% of a first order reaction was completed in 60 minutes, 50% of the same reaction would be completed in approximately
(log 4 = 0.60, log 5 = 0.69)
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Question 59 of 200
59. Question
Category: ChemistryThe equilibrium constant of the reaction:
\( Cu(s) + 2Ag ^{+}(aq) \to Cu^{2+}(aq) + 2Ag(s); E^{º} = 0.46V at 298 K is:\)
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Question 60 of 200
60. Question
Category: Chemistry0.5 molal aqueous solution of a weak acid (HX) is 20% ionised. If \(K_f\) for water is 1.86 K kg mol\(^{–1}\), the lowering in freezing point of the solution is:
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Question 61 of 200
61. Question
Category: ChemistryThe efficiency of a fuel cell is given by :
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Question 62 of 200
62. Question
Category: ChemistryConsider the following reactions:
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Question 63 of 200
63. Question
Category: ChemistryGiven that bond energies of H–H and Cl–Cl are 430 kJ mol\(^{–1}\) and 240 kJ mol\(^{–1}\) respectively and \(\bigtriangleup_{f}\)H for HCl is –90 kJ mol\(^{–1}\). Bond enthalpy of HCl is :
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Question 64 of 200
64. Question
Category: ChemistryThe Langmuir adsorption isotherm is deduced using the assumption:
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Question 65 of 200
65. Question
Category: ChemistryThe following equilibrium constants are given-
\(N_2+3H_2\rightleftharpoons 2NH_3 ; K_1\)
\(N_2+3O_2\rightleftharpoons 2NO ; K_2\)
\(N_2+1/2O_2\rightleftharpoons H_2O ; K_3\)
The equilibrium constant for the oxidation of the NH\(^{3}\) by oxygen to give NO is:
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Question 66 of 200
66. Question
Category: ChemistryCalculate the pOH of a solution at 25ºC that contains\( 1× 10^{–10}\) M of hydronium ions, i.e. \(H_{3}O^{+}\) ;
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Question 67 of 200
67. Question
Category: ChemistryA weak acid HA has a \(K_{a} of 1.00 × 10^{–5}\). If 0.100 mol of this acid is dissolved in one litre of water the percentage of acid dissociated at equilibrium is closest to :
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Question 68 of 200
68. Question
Category: ChemistryThe fraction of total volume occupied by the atoms present in a simple cube is:
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Question 69 of 200
69. Question
Category: ChemistryIdentify the correct order of the size of the following:
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Question 70 of 200
70. Question
Category: ChemistryIn which of the following pairs, the two species are iso-structural ?
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Question 71 of 200
71. Question
Category: ChemistryThe correct order of C–O bond length among\(CO,CO^{2-}_{3}, CO_{2} is:\)
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Question 72 of 200
72. Question
Category: ChemistryWhich one of the following ionic species has the greatest proton affinity to form stable compound:
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Question 73 of 200
73. Question
Category: ChemistryWhich of the following statements, about the advantage of roasting of sulphide ore before reduction is not true :
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Question 74 of 200
74. Question
Category: ChemistryIn which of the following the hydration energy is higher than the lattice energy:
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Question 75 of 200
75. Question
Category: ChemistryThe correct order of increasing thermal stability of \(K_{2}CO_{3}, MgCO_{3}, CaCO_{3}\) and \(BeCO_{3}\) is:
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Question 76 of 200
76. Question
Category: ChemistrySulphide ores of metals are usually concentrated by Froth Flotation process. Which one of the following sulphide ores offers and exception and is concentrated by chemical leaching ?
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Question 77 of 200
77. Question
Category: ChemistryWhich one of the following anions is present in the chain structure of silicates:
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Question 78 of 200
78. Question
Category: ChemistryWhich one of the following orders correctly represents the increasing acid strengths of the given acids:
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Question 79 of 200
79. Question
Category: ChemistryWhich of the following oxidation states are the most characteristic for lead and tin respectively:
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Question 80 of 200
80. Question
Category: ChemistryIdentify the incorrect statement among the following
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Question 81 of 200
81. Question
Category: ChemistryWhich one of the following ions is the most stable in aqueous solution ?
(At. No. Ti = 22, V = 23, Cr = 24, Mn = 25)
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Question 82 of 200
82. Question
Category: ChemistryThe d electron configuration of \(Cr^{2+}, Mn^{2+}, Fe^{2+} and Ni^{2+} are 3d^{4} , 3d^{5} , 3d^{6} and 3d^{8}\) respectively. Which one of the following aqua complex will exhibit the minimum paramagnetic behaviour ?
(At. No. Cr = 24, Mn= 25, Fe = 26, Ni = 28)
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Question 83 of 200
83. Question
Category: ChemistryWhich of the following will give a pair of enantiomorphs:
\( (en = NH_{2} CH_{2} CH_{2} NH_{2})\)
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Question 84 of 200
84. Question
Category: ChemistryIf NaCl is doped with106\({–4}\) mole% of SrCl\(_{2}\), the concentrate of cation vacancies will be: (N\(_{A}\) = 6.02 × 10\(^{23}\) mol\(^{–1})\)
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Question 85 of 200
85. Question
Category: ChemistryWhich of the following presents the correct order of the acidity in the given compounds:
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Question 86 of 200
86. Question
Category: ChemistryThe product formed in Aldol condensation is:
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Question 87 of 200
87. Question
Category: ChemistryReduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is called:
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Question 88 of 200
88. Question
Category: ChemistryConsider the following compounds:
The correct decreasing order of their reactivity towards hydrolysis is:
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Question 89 of 200
89. Question
Category: ChemistryWhich one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid:
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Question 90 of 200
90. Question
Category: ChemistryWhich one of the following on reduction with lithium aluminium hydride yield a secondary amine:
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Question 91 of 200
91. Question
Category: ChemistryThe order decreasing reactivity towards an electrophilic reagent, for the following:
(a) Benzene
(b) Toluene
(c) Chlorobenzene and
(d) Phenol
Would be:
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Question 92 of 200
92. Question
Category: ChemistryPredict the product C obtained in the following reaction of butyne-1:
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Question 93 of 200
93. Question
Category: ChemistryWhich of the compounds with molecular formula\( C_{5}H_{10}\) yields acetone on ozonolysis:
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Question 94 of 200
94. Question
Category: ChemistryIf there is no rotation of plane polarized light by a compound in a specific solvent, through to the chiral, it may mean that :
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Question 95 of 200
95. Question
Category: ChemistryFor the following:
\((a) I^{–} (b) Cl^{–} (c) Br^{–}\) The increasing order of nucleophilicity would be:
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Question 96 of 200
96. Question
Category: Chemistry\(CH^{3}–CHCl–CH^{2}–CH^{3}\)has a chiral centre, which one of the following represents its R configurations:
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Question 97 of 200
97. Question
Category: ChemistryCorrectIncorrect -
Question 98 of 200
98. Question
Category: ChemistryWhich one of the following vitamins is water-soluble:
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Question 99 of 200
99. Question
Category: ChemistryRNA and DNA are chiral molecules, their chirality is due to:
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Question 100 of 200
100. Question
Category: ChemistryWhich one of the following polymers is prepared by condensation polymerization?
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Question 101 of 200
101. Question
Category: BiologyBiological organization starts with:-
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Question 102 of 200
102. Question
Category: BiologyAbout 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and:
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Question 103 of 200
103. Question
Category: BiologyWhich one of the following is an example of negative feedback loop in humans ?
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Question 104 of 200
104. Question
Category: BiologyWhat is common to whale, seal and shark ?
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Question 105 of 200
105. Question
Category: BiologyWhich one of the following is not a constituent of cell membrane ?
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Question 106 of 200
106. Question
Category: BiologySelect the wrong statement from the following:
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Question 107 of 200
107. Question
Category: BiologyThe overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of:-
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Question 108 of 200
108. Question
Category: BiologyIf the mean and the median pertaining to a certain character of a population are of the same value, the following is most likely to occur:-
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Question 109 of 200
109. Question
Category: BiologyWhich one of the following is a slime mould ?
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Question 110 of 200
110. Question
Category: BiologyFor a critical study of secondary growth in plants, which one of the following pairs is suitable?
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Question 111 of 200
111. Question
Category: BiologyWhich one of the following statements about mycoplasma is wrong?
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Question 112 of 200
112. Question
Category: BiologyIn the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result:
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Question 113 of 200
113. Question
Category: BiologyTwo plants can be conclusively said to belong to the same species if they :
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Question 114 of 200
114. Question
Category: BiologyIf you are asked to classify the various algae into distinct groups, which of the following characters you should choose ?
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Question 115 of 200
115. Question
Category: BiologyFlagellated male gametes are present in all the three of which one of the following sets ?
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Question 116 of 200
116. Question
Category: BiologyIn gymnosperms, the pollen chamber represents:
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Question 117 of 200
117. Question
Category: BiologySpore dissemination in some liverworts is aided by :
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Question 118 of 200
118. Question
Category: BiologyWhich pair of the following belongs to Basidiomycetes ?
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Question 119 of 200
119. Question
Category: BiologyICBN stands for :
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Question 120 of 200
120. Question
Category: BiologyErgot of rye is caused by a species of:-
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Question 121 of 200
121. Question
Category: BiologyWhen two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:-
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Question 122 of 200
122. Question
Category: BiologyAdaptive radiation refers to:-
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Question 123 of 200
123. Question
Category: BiologyThe living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for:-
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Question 124 of 200
124. Question
Category: BiologyThe finches of Galapogas islands provide an evidence in favour of-
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Question 125 of 200
125. Question
Category: BiologyOne of the important consequences of geographical isolation is:-
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Question 126 of 200
126. Question
Category: BiologyIndustrial melanism as observed in peppered moth proves that:-
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Question 127 of 200
127. Question
Category: BiologyThe concept of chemical evolution is based on-
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Question 128 of 200
128. Question
Category: BiologyAmong the human ancestors the brain size was more than 1000 CC in:-
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Question 129 of 200
129. Question
Category: BiologyWhich of the following pairs are correctly matched ?
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Question 130 of 200
130. Question
Category: BiologySelect the correct statement from the following:
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Question 131 of 200
131. Question
Category: BiologyWhich one of the following is a matching pair of a body feature and the animal possessing it ?
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Question 132 of 200
132. Question
Category: BiologyWhat is common between parrot, platypus and kangaroo ?
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Question 133 of 200
133. Question
Category: BiologyWhat is true about Nereis, Scorpion, Cockroach and Silver fish ?
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Question 134 of 200
134. Question
Category: BiologyWhich one of the following statement is correct ?
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Question 135 of 200
135. Question
Category: Biology“Foolish Seedling” disease of rice led to the discovery of :-
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Question 136 of 200
136. Question
Category: BiologyPassage cells are thin-walled cells found in:-
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Question 137 of 200
137. Question
Category: BiologyThe first acceptor of electrons from an excited chlorophyll molecule of photosystem II is:-
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Question 138 of 200
138. Question
Category: BiologyAll enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is:-
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Question 139 of 200
139. Question
Category: BiologyThe wavelength of light absorbed by Pr form of phytochrome is:-
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Question 140 of 200
140. Question
Category: BiologyOpening of floral buds into flowers, is a type of:
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Question 141 of 200
141. Question
Category: BiologyWhich one of the following pairs, is not correctly matched ?
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Question 142 of 200
142. Question
Category: BiologyOne gene-one enzyme relationship was established for the first time in:
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Question 143 of 200
143. Question
Category: BiologyMale gametes in angiosperms are formed by the division of:
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Question 144 of 200
144. Question
Category: BiologyTwo cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be:-
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Question 145 of 200
145. Question
Category: BiologyIn the leaves of \(C_{4}\) plants, malic acid formation during \(CO_{2} \)fixation occurs in the cells of :
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Question 146 of 200
146. Question
Category: BiologyWhich of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism ?
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Question 147 of 200
147. Question
Category: BiologyWhich one of the following is surrounded by a callose wall ?
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Question 148 of 200
148. Question
Category: BiologyWhich one of the following elements is not an essential micronutrient for plant growth ?
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Question 149 of 200
149. Question
Category: BiologyIf you suspect deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence ?
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Question 150 of 200
150. Question
Category: BiologyWhich one of the following is a fat-soluble vitamin and its related deficiency disease ?
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Question 151 of 200
151. Question
Category: BiologyWhich one of the following mammalian cells is not capable of metabolizing glucose to carbon- dioxide aerobically ?
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Question 152 of 200
152. Question
Category: BiologyCompared to a bull a bullok is docile because of:-
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Question 153 of 200
153. Question
Category: BiologyIn the human female, menstruation can be deferred by the administration of:-
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Question 154 of 200
154. Question
Category: BiologyIn human body, which one of the following is anatomically correct ?
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Question 155 of 200
155. Question
Category: BiologyIn which one of the following preparations are you likely to come across cell junctions most frequently ?
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Question 156 of 200
156. Question
Category: BiologyA drop of each of the following, is placed separately on four slides. Which of them will not coagulate ?
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Question 157 of 200
157. Question
Category: BiologyFeeling the tremors of an earthquake a scared resident of seventh floor of a multistoried building starts climbing down the stairs rapidly. Which hormone initiated this action ?
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Question 158 of 200
158. Question
Category: BiologyA person who is on a long hunger strike and is surviving only on water, will have:-
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Question 159 of 200
159. Question
Category: BiologyWhich one of the following pairs of structures distinguishes a nerve cell from other types of cell ?
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Question 160 of 200
160. Question
Category: BiologyWhich part of ovary in mammals acts as an endocrine gland after ovulation ?
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Question 161 of 200
161. Question
Category: BiologyDuring the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge ?
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Question 162 of 200
162. Question
Category: BiologyA person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly ?
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Question 163 of 200
163. Question
Category: BiologyIdentify the odd combination of the habitat and the particular animal concerned :
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Question 164 of 200
164. Question
Category: BiologyIn which one of the following the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order ?
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Question 165 of 200
165. Question
Category: BiologyWhich one of the following ecosystem types has the highest annual net primary productivity ?
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Question 166 of 200
166. Question
Category: BiologyWhich one of the following is being utilized as a source of biodiesel in the Indian country side ?
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Question 167 of 200
167. Question
Category: BiologyIn a coal fired power plant electrostatic precipitators are installed to control emission of:-
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Question 168 of 200
168. Question
Category: BiologyWhich one of the following is not a bioindicator of water pollution ?
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Question 169 of 200
169. Question
Category: BiologyA high density of elephant population in an area can result in :-
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Question 170 of 200
170. Question
Geometric representation of age structure is a characteristic of :-
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Question 171 of 200
171. Question
Category: BiologyWhich one of the following pairs of organisms are exotic species introduced in India ?
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Question 172 of 200
172. Question
Category: BiologyOne of endangered species of Indian medicinal plants is that of:-
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Question 173 of 200
173. Question
Category: BiologyA genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of-
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Question 174 of 200
174. Question
Category: BiologyA sequential expression of a set of human genes occurs when a steroid molecule binds to the:-
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Question 175 of 200
175. Question
Category: BiologyThe Okazaki fragments in DNA chain growth:-
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Question 176 of 200
176. Question
Category: BiologyIn the hexaploid wheat, the haploid(n) and basic(x) numbers of chromosomes are:
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Question 177 of 200
177. Question
Category: BiologyMolecular basis of organ differentiation depends on the modulation in transcription by-
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Question 178 of 200
178. Question
Category: BiologyTelomere repetitive DNA sequences control the function of eukaryote chromosomes because they:
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Question 179 of 200
179. Question
Category: BiologyInheritance of skin colour in humans is an example of:-
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Question 180 of 200
180. Question
Category: BiologyA common test to find the genotype of a hybrid is by:-
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Question 181 of 200
181. Question
Category: BiologyDuring transcription, RNA polymerase holoenzyme binds to a gene promoter and assumes a saddle-like structure. What is it’s DNA-binding sequence ?
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Question 182 of 200
182. Question
Category: BiologyTwo genes R and Y are located very close on the chromosomal linkage map of maize plant. When RRYY and rryy genotypes are hybridized, the F\(_2\) segregation will show:
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Question 183 of 200
183. Question
Category: BiologyIn maize, hybrid vigour is exploited by:-
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Question 184 of 200
184. Question
Category: BiologyDifferentiation of organs and tissues in a developing organism, is associated with-
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Question 185 of 200
185. Question
Category: BiologyIn pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in F\(_1\) generation ?
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Question 186 of 200
186. Question
Category: BiologyThe length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated ?
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Question 187 of 200
187. Question
Category: BiologyIn cloning of cattle a fertilized egg is taken out of the mother’s womb and:-
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Question 188 of 200
188. Question
Category: BiologyWhich one of the following statements is correct ?
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Question 189 of 200
189. Question
Category: BiologyThe population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?
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Question 190 of 200
190. Question
Category: BiologyThe two polynucleotide chain in DNA are:-
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Question 191 of 200
191. Question
Category: BiologyA plant requires magnesium for:
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Question 192 of 200
192. Question
Category: BiologyProbiotics are-
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Question 193 of 200
193. Question
Category: BiologyBowman’s glands are located in the
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Question 194 of 200
194. Question
Category: BiologyIncreased asthmatic attacks in certain seasons are related to:
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Question 195 of 200
195. Question
Category: BiologyA human male produces sperms with the genotypes AB, Ab, AB, and ab pertaining to two diallelic characters in equal proportions. What is the corresponding genotype of this person ?
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Question 196 of 200
196. Question
Category: BiologyWhich one of the following pairs is wrongly matched ?
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Question 197 of 200
197. Question
Category: BiologyWhich one of the following pairs is mismatched ?
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Question 198 of 200
198. Question
Category: BiologyWhich one of the following is a viral disease of poultry ?
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Question 199 of 200
199. Question
Category: BiologyUltrasound of how much frequency is beamed into human body for sonography ?
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Question 200 of 200
200. Question
Category: BiologyLysozyme that is present in perspiration, saliva and tears, destroys:
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