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Question 1 of 200
1. Question
Category: PhysicsIf the dimensions of a physical quantity are given by \(M^a L^b T^c\), then the physical quantity will be :
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Question 2 of 200
2. Question
Category: PhysicsA particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 seconds is S\(_1\) and that covered in the first 20 seconds is S\(_2\) then :
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Question 3 of 200
3. Question
Category: PhysicsA bus is moving with a speed of 10ms\(^{–1}\) on a straight road. A scooterist wishes to overtake the bus in 100s. If the bus is at a distance of 1 km from the scooterist, with what speed should the scooterist chase the bus ?
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Question 4 of 200
4. Question
Category: PhysicsThe mass of lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is :
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Question 5 of 200
5. Question
Category: PhysicsAn explosion blows a rock into three parts Two parts go off at right angles to each other. These two are, 1 kg first part moving with a velocity of 12 ms\(^{–1}\) and 2 kg second part moving with a velocity of 8 ms\(^{–1}\) . If the thirds part files off with a velocity of 4 ms\(^{–1}\) , its mass would be :
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Question 6 of 200
6. Question
Category: PhysicsA block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k. The mass is released from rest with the spring initially unstretched. The maximum extension produced in the length of the spring will be :
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Question 7 of 200
7. Question
Category: PhysicsTwo bodies of mass 1 kg and 3 kg have position vectors \(\hat{i}+ 2\hat{j}+\hat{k}\) and \(-3\hat{i} -2\hat{j}+\hat{k}\), respectively. The centre of mass of this system has a position vector :
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Question 8 of 200
8. Question
Category: PhysicsFour identical thin rods each of mass M and length \(l\), from a square frame. Moment of inertia of this frame about an axis through the centre of the square and perpendicular to its plane is :
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Question 9 of 200
9. Question
Category: PhysicsA thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity \(\omega \), If two objects each mass m be attached gently to the opposite ends of a diameter of the ring, the ring, will then rotate with an angular velocity :
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Question 10 of 200
10. Question
Category: PhysicsA body, under the action of a force \(\vec{F} = 6 \hat{i}-8\hat{j}+10\hat{k}\) acquires an acceleration of 1 m/s\(^2\) . The mass of this body must be :
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Question 11 of 200
11. Question
Category: PhysicsIf \(\vec{F}\) is the force acting on a particle having position vector \(\vec{r}\) and \(\vec{\tau}\) be the torque of this force about the origin, then :
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Question 12 of 200
12. Question
Category: PhysicsThe figure shows elliptical orbit of a planet m about the sun S. The shaded area SCD is twice the shaded are SAB. It t\(_1\) is the time for the planet to move from C to D and t\(_2\) is the time to move from A to B then
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Question 13 of 200
13. Question
Category: PhysicsAn engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate which kinetic energy is imparted to water ?
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Question 14 of 200
14. Question
Category: PhysicsA body of mass 1 kg of thrown upwards with a velocity 20 m/s. It momenetarily comes to rest after attaining a height of 18m. How much energy is lost due to air friction ?
(g = 10 m/s\(^2\))CorrectIncorrect -
Question 15 of 200
15. Question
Category: PhysicsThe two ends of a rod of length L and a uniform cross-sectional area A are kept at two temperatures T\(_1\) and T\(_2\) (T\(_1\) > T\(_2\) ). The rate of heat transfer, \(\frac{dQ}{dt}\) through the rod in a steady state is given by :
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Question 16 of 200
16. Question
Category: PhysicsIn thermodynamic processes which of the following statements is not true ?
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Question 17 of 200
17. Question
Category: PhysicsA black body at 227\(^{o}\)C radiates heat at the rate of 7 cals/cm\(^2\)s. At a temperature of 727\(^o\)C, the rate of heat radiated in the same units will be :
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Question 18 of 200
18. Question
Category: PhysicsThe internal energy change in a system that has absorbed 2 k cal of heat and done 500 J of work is :
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Question 19 of 200
19. Question
Category: PhysicsThe driver of a car traveling with speed 30 m/sec towards a hill sounds a horn of frequency 600 Hz. If the velocity of sound in air is 330 m/s, the frequency of reflected sound as heard by driver is :
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Question 20 of 200
20. Question
Category: PhysicsA simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of the pendulum at x = a/2 will be :
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Question 21 of 200
21. Question
Category: PhysicsWhich one of the following equations of motion represents simple harmonic motion ?
Where k, k\(_0\), k\(_1\) and a are all positive
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Question 22 of 200
22. Question
Category: PhysicsThe electric field part of an electromagnetic wave in a medium is represented by :
\(E_x = 0\)
\(E_y = 2.5\frac{N}{C}cos[(2\pi\times 10^6 \frac{rad}{m})t – (\pi\times 10^{-2}\frac{rad}{s} )x]\)
\(E_z = 0\) The wave is :
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Question 23 of 200
23. Question
Category: PhysicsA wave in a string has an amplitude of 2 cm. The wave travels in the +ve direction of x-axis with a speed of 128 m/s and it is noted that 5 complete waves fit in 4 m length of the string. The equation describing the wave is
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Question 24 of 200
24. Question
Category: PhysicsEach of the two strings of length 51.6 cm and 49.1 cm are tensioned separately by 20 N force. Mass per unit length of both the strings is same and equal to 1 g/m. When both the strings vibrate simultaneously the number of beats is :
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Question 25 of 200
25. Question
Category: PhysicsThree capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown voltage of the combination will be :
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Question 26 of 200
26. Question
Category: BiologyWhich one of the following has haplontic life cycle ?
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Question 27 of 200
27. Question
Category: BiologyT.O.Diener discovered a :
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Question 28 of 200
28. Question
Category: BiologyMannitol is the stored food in –
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Question 29 of 200
29. Question
Category: BiologyWhich one of the following is a vascular cryptogram ?
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Question 30 of 200
30. Question
Category: BiologyPhylogenetic system of classification is based on:
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Question 31 of 200
31. Question
Category: BiologyWhich one of the following groups of animals is bilaterally symmetrical and triploblastic ?
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Question 32 of 200
32. Question
Category: BiologyPeripatus is a connecting link between :
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Question 33 of 200
33. Question
Category: BiologyWhich one of the following pairs of animals comprises ‘Jawless fishes’ ?
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Question 34 of 200
34. Question
Category: BiologyIf a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is :
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Question 35 of 200
35. Question
Category: BiologyPlasmodesmata are :
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Question 36 of 200
36. Question
Category: BiologyStroma in the chloroplast of higher plant contains :
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Question 37 of 200
37. Question
Category: BiologySynapsis occurs between :
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Question 38 of 200
38. Question
Category: BiologyMiddle lamella is composed mainly of :
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Question 39 of 200
39. Question
Category: BiologyCytoskeleton is made up of :
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Question 40 of 200
40. Question
Category: BiologyThe cell junctions called tight, adhering and gap junctions are found in :
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Question 41 of 200
41. Question
Category: BiologyThe kind of tissue that forms the supportive structure in our pinna (external ears) is also found in –
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Question 42 of 200
42. Question
Category: BiologyThe epithelial tissue present on the inner surface of bronchioles and fallopian tubes is :
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Question 43 of 200
43. Question
Category: BiologyGiven below is a schematic break-up of the phases / stages of cell cycle:
Which one of the following is the correct indication of the stage / phase in the cell cycle ?
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Question 44 of 200
44. Question
Category: BiologyWhat is not true for genetic code?
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Question 45 of 200
45. Question
Category: BiologyRemoval of introns and joining the exons in a defined order in a transcription unit is called :
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Question 46 of 200
46. Question
Category: BiologySemiconservative replication of DNA was first demonstrated in :
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Question 47 of 200
47. Question
Category: PhysicsA wire of resistance 12 ohms per metre is bent to form a complete circle of radius 10 cm. The resistance between its two diametrically opposite points, A and B as shown in the figure, is :
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Question 48 of 200
48. Question
Category: PhysicsA bar magnet having a magnetic movement of 2 × 10\(^4\) JT\(^{–1}\) is free to rotate in a horizontal plane. A horizontal magnetic field B = 6 × 10\(^{-4}\) T exists in the space. The work done in taking the magnet slowly from a direction parallel to the field to a direction 60\(^o\) from the field is :
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Question 49 of 200
49. Question
Category: PhysicsThe magnetic force acting on a charged particle of charge – 2\(\mu \)c in a magnetic field of 2T acting in y direction, when the particle velocity is \( (2\hat{i} + 3\hat{j}) \times 10^6 \) ms\(^{-1}\), is :
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Question 50 of 200
50. Question
Category: PhysicsA conducting circular loop is placed in a uniform magnetic field 0.04T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2 mm/s. The induced emf in the loop when the redius is 2 cm is :
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Question 51 of 200
51. Question
Category: PhysicsThe electric potential at a point (x, y, z) is given by V = -x\(^2\)y – xz\(^3\) + 4 The electric field \(\vec{E}\) at that point is :
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Question 52 of 200
52. Question
Category: PhysicsSee the electrical circuit shown in this figure. Which of the following equations is a correct equation for it ?
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Question 53 of 200
53. Question
Category: PhysicsA galvanometer having a coil resistance of 60 \(\Omega \) shows full scale deflection when a current of 1.0 amp passes through it. It can be converted into an ammeter to read currents upto 5.0 amp by :
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Question 54 of 200
54. Question
Category: PhysicsUnder the influence of a uniform magnetic field, a charged particle moves with constant speed V in a circle of radius R. The time period of rotation of the particle :
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Question 55 of 200
55. Question
Category: PhysicsPower dissipated in an LCR series circuit connected to an a.c. source of emf \(ε\) is :
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Question 56 of 200
56. Question
Category: PhysicsThree concentric spherical shells have radii a, b, and c(a < b < c) and have surface charge densities \(\sigma \), –\(\sigma \) and \(\sigma \) respectively. If V\(_A\), V\(_B\) and V\(_C\) denote the potentials of the three shells, then, for c = a + b, we have :
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Question 57 of 200
57. Question
Category: PhysicsA student measures the terminal potential difference (V) of a cell (of emf ε and internal) resistance r) as a function of the current (I) flowing through it. The slope and intercept of the graph between V and I, then respectively equal to :
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Question 58 of 200
58. Question
Category: PhysicsA rectangular, a square, a circular and an elliptical loop, all in the (x – y) plane, are moving out of a uniform magnetic field with a constant velocity,\(\vec{V}=v.\hat{i}\) . The magnetic field is directed along the negative z-axis direction. The induced emf, during the passage of these loops, come out of the field region, will not remain constant for :
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Question 59 of 200
59. Question
Category: PhysicsIf a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is :
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Question 60 of 200
60. Question
Category: PhysicsThe number of photoelectrons emitted for light of a frequency v (higher than the threshold frequency v\(_0\)) is proportional to :
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Question 61 of 200
61. Question
Category: PhysicsMonochromatic light of wavelength 667 nm is produced by a helium neon laser. The power emitted is 9 mW. The number of photons arriving per second on the average at a target irradiated by this beam is :
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Question 62 of 200
62. Question
Category: PhysicsThe figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiations. Which one of the following is a correct statement ?
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Question 63 of 200
63. Question
Category: PhysicsThe number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. The resulting daughter is an :
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Question 64 of 200
64. Question
Category: PhysicsThe ionization energy of the electron in the hydrogen atom in its grounds state is 13.6 eV. The atoms are excited to higher energy levels to emit radiations of 6 wavelengths. Maximum wavelength of emitted radiation corresponds to the transition between :
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Question 65 of 200
65. Question
Category: PhysicsIn a Rutherford scattering experiment when a projectile of charge Z\(_1\) and mass M\(_1\) approaches a target nucleus of charge Z\(_2\) and mass M\(_2\), the distance of closest approach is r\(_0\). The energy of the projectile is :
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Question 66 of 200
66. Question
Category: PhysicsIn the nuclear decay given below :
The particles emitted in the sequence are :
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Question 67 of 200
67. Question
Category: PhysicsThe mean free path of electrons in a metal is 4 × 10\(^{–8}\) m. The electric field which can give on an average 2 eV energy to an electron in the metal will be in units of V/m :
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Question 68 of 200
68. Question
Category: PhysicsSodium has body centred packing. Distance between two nearest atoms is 3.7\(Å\). The lattice parameter is :
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Question 69 of 200
69. Question
Category: PhysicsA p–n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength :
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Question 70 of 200
70. Question
Category: PhysicsThe symbolic representation of four logic gates are given below
The logic symbols for OR, NOT and NAND gates are respectively :
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Question 71 of 200
71. Question
Category: PhysicsA transistor is operated in common-emitter configuration at V\(_C\) = 2V such that a change in the base current from 100 \(\mu \)A to 200 \(\mu \)A produces a change in the collector current from 5 mA to 10 mA. The current gain is :
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Question 72 of 200
72. Question
Category: Chemistry10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reaction will be –
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Question 73 of 200
73. Question
Category: ChemistryOxidation number of P in PO\(^{3-}_{4}\) , of S in SO\(^{2-}_{4}\) and that of Cr in Cr\(_2\)O\(^{2-}{7}\) are respectively :
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Question 74 of 200
74. Question
Category: ChemistryMaximum number of electrons in a subshell or an atom is determined by the following :
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Question 75 of 200
75. Question
Category: ChemistryWhich of the following is not permissible arrangement of electrons in an atom ?
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Question 76 of 200
76. Question
Category: ChemistryCorrectIncorrect -
Question 77 of 200
77. Question
Category: ChemistryThe ionization constant of ammonium hydroxide is 1.77×10\(^{–5}\) at 298 K. Hydrolysis constant of ammonium chloride
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Question 78 of 200
78. Question
Category: ChemistryGiven :
(i) Cu\(^{2+} + 2{e–}\) \(\to \) Cu, E\(^o\) = 0.337 V
(i) Cu\(^{2+} + {e–}\) \(\to \) Cu\(^+ \) E\(^o\) = 0.153 V
Electrode potential E\(^o\) for the reaction,Cu\(^{+}\)+ e\(^–\) \(\to \) Cu, will be
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Question 79 of 200
79. Question
Category: ChemistryWhat is the [OH\(^–\)] in the final solution prepared by mixing 20.0 mL of 0.050 M HCl with 30.0 mL of 0.10 M Ba(OH)\(_2\) ? –
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Question 80 of 200
80. Question
Category: ChemistryThe energy absorbed by each molecule (A\(_2\)) of a substance is 4.4 × 10\(^{–19}\) J and bond energy per molecule is 4.0 × 10\(^{–19}\) J. The kinetic energy of the molecule per atom will be :
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Question 81 of 200
81. Question
Category: ChemistryFor the reaction, N\(_2\) + 3H\(_2\) \(\to \) 2NH\(_3\),
If \(\frac{d[NH_3]}{dt}\) = 2 × 10\(^{–4}\) mol L\(^{–1}\)s \(^{–1}\), [] The value of \(\frac{-d[H_2]}{dt}\) would be –
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Question 82 of 200
82. Question
Category: ChemistryFor the reaction A + B \(\to \) products, it is observed that :
(1) On doubling the initial concentration of A only, the rate of reaction is also doubled and
(2) On doubling the initial concentration of both A and B, there is a change by a factor of 8 in the rate of the reaction.
The rate of this reaction is given by :CorrectIncorrect -
Question 83 of 200
83. Question
Category: ChemistryThe equivalent conductance of \(\frac{M}{32}\) solution of a weak monobasic acid is 8.0 mho cm\(^2\) and at infinite dilution is 400 mho cm\(^2\) , The dissociation constant of this acid is –
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Question 84 of 200
84. Question
Category: ChemistryA 0.0020 M aqueous solution of an ionic compound Co(NH\(_3\))\(_5\) (NO\(_2\))Cl freezes at – 0.00732\(^o\)C. Number of moles of ions which 1 mole of ionic compound produces on being dissolved in water will be : (k\(_f\) = 1.86oC/m) –
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Question 85 of 200
85. Question
Category: ChemistryIn the reation
BrO\(^-_3\) (aq) + 5Br\(^–\)(aq) + 6H\(^+\) \(\to \) 3Br\(_2\)(l) + 3H\(_2\)O(l) The rate of appearance of bromine (Br\(_2\)) is related to rate of disappearance of bromide ions as following
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Question 86 of 200
86. Question
Category: ChemistryLithium metal crystallizes in a body centred cubic crystal. If the length of the side of the unit cell of lithium is 351 pm, the atomic radius of lithium will be :
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Question 87 of 200
87. Question
Category: ChemistryThe dissociation constants for acetic acid and HCN at 25\(^o\)C are 1.5 × 10\(^{-5}\) and 4.5 × 10\(^{-10}\), respectively. The equilibrium constant for the equilibrium –
would be:
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Question 88 of 200
88. Question
Category: ChemistryThe values of \(\triangle \)H and \(\triangle \)S for the reaction, C(graphite) + CO\(_2\)(g) → 2CO(g) are 170 kJ and 170 JK\(^{–1}\) respectively. This reaction will be spontaneous at –
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Question 89 of 200
89. Question
Category: ChemistryHalf-life period of a first-order reaction is 1386 seconds. The specific rate constant of the reaction is :
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Question 90 of 200
90. Question
Category: ChemistryIn which of the following molecules / ions BF\(_3\), NO\(^-_2\) , NH\(^-_2\) and H\(_2\)O, the central atom is sp2 hybridized ?
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Question 91 of 200
91. Question
Category: ChemistryAmong the following which is the strongest oxidizing agent ? –
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Question 92 of 200
92. Question
Category: BiologyWhose experiments cracked the DNA and discovered unequivocally that a genetic code is a “triplet” ?
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Question 93 of 200
93. Question
Category: BiologyPoint mutation involves :
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Question 94 of 200
94. Question
Category: BiologyIn the case of peppered moth (Biston betularia) the black-coloured from became dominant over the light-coloured form in England during industrial revolution. This is an example of –
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Question 95 of 200
95. Question
Category: BiologySickel cell anemia is :
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Question 96 of 200
96. Question
Category: BiologyStudy the pedigree chart given below :
What does it show ?
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Question 97 of 200
97. Question
Category: BiologyThe most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because “O” in it refers to having :
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Question 98 of 200
98. Question
Category: BiologySelect the incorrect statement from the following :
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Question 99 of 200
99. Question
Category: BiologyCotyledons and testa respectively are edible parts in –
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Question 100 of 200
100. Question
Category: BiologyAn example of a seed with endosperm, perisperm and caruncle is –
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Question 101 of 200
101. Question
Category: BiologyGuard cells help in :
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Question 102 of 200
102. Question
Category: BiologyManganese is required in :
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Question 103 of 200
103. Question
Category: BiologyOxygenic photosynthesis occurs in :
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Question 104 of 200
104. Question
Category: BiologyA fruit developed from hypanthodium inflorescence is called :
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Question 105 of 200
105. Question
Category: BiologyThe annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is –
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Question 106 of 200
106. Question
Category: BiologyCorrectIncorrect -
Question 107 of 200
107. Question
Category: BiologyAn example of axile placentation is –
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Question 108 of 200
108. Question
Category: BiologyIn barley stem vascular bundles are –
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Question 109 of 200
109. Question
Category: BiologyAerobic respiratory pathway is appropriately termed :-
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Question 110 of 200
110. Question
Category: BiologyPalisade parenchyma is absent in leaves of –
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Question 111 of 200
111. Question
Category: BiologyReduction in vascular tissue, mechanical tissue and cuticle is characteristic of :
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Question 112 of 200
112. Question
Category: BiologyAnatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by :
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Question 113 of 200
113. Question
Category: BiologyCyclic photophosphorylation results in the formation of :
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Question 114 of 200
114. Question
Category: BiologyIn a standard ECG which one of the following alphabets is the correct represention of the respective activity of the human heart ?
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Question 115 of 200
115. Question
Category: BiologyUric acid is the chief nitrogenous component of the excretory products of –
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Question 116 of 200
116. Question
Category: BiologyWhich one of the following pairs of food compounds in humans reaches the stomach totally undigested –
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Question 117 of 200
117. Question
Category: BiologyWhich one of the following is correct pairing of a body part and like kind of muscle tissue that moves it ?
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Question 118 of 200
118. Question
Category: BiologyCompared to blood our lymph has :
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Question 119 of 200
119. Question
Category: BiologyWhat will happen if the stretch receptors of the urinary bladder wall are totally removed ?
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Question 120 of 200
120. Question
Category: BiologyWhich part of human brain is concerned with the regulation of body temperature ?
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Question 121 of 200
121. Question
Category: ChemistryAccording to MO theory which of the following lists ranks the nitrogen species in terms of increasing bond order :
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Question 122 of 200
122. Question
Category: ChemistryIn the case of alkali metals, the covalent character decreases in the order :
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Question 123 of 200
123. Question
Category: ChemistryWhich of the following oxides is not expected to react with sodium hydroxide ?
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Question 124 of 200
124. Question
Category: ChemistryAl\(_2\)O\(_3\) is reduced by electrolysis at low potentials and high currents. If 4.0 × 10\(_4\) amperes of current is passed through molten Al\(_2\)O\(_3\) for 6 hours, what mass of aluminium is produced ? (Assume 100% current efficiency, at. mass of Al = 27 g mol\(^{–1}\)) –
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Question 125 of 200
125. Question
Category: ChemistryThe stability of +1 oxidation state increases in the sequence :
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Question 126 of 200
126. Question
Category: ChemistryCopper crystallizes in a face-centred cubic lattice with a unit cell length of 361 pm. What is the radius of copper atom in pm ?
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Question 127 of 200
127. Question
Category: ChemistryWhat is the dominant intermolecular force or bond that must be overcome in converting liquid CH\(_3\)OH to a gas –
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Question 128 of 200
128. Question
Category: ChemistryWhich of the following complex ions is expected to absorb visible light ?
(At no. Zn = 30, Sc = 21, Ti = 22, Cr = 24)
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Question 129 of 200
129. Question
Category: ChemistryOut of TiF\(^{2-}_6\) and CoF\(^{3-}_6\) , Cu\(_2\)Cl\(_2\) and NiCl\(^{2-}_4\) (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species are : –
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Question 130 of 200
130. Question
Category: ChemistryWhich of the following does not show optical isomerism –
(en = Ethylenediamine)
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Question 131 of 200
131. Question
Category: ChemistryWhich one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states ?
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Question 132 of 200
132. Question
Category: ChemistryWhich of the following molecules acts as a Lewis acid ?
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Question 133 of 200
133. Question
Category: ChemistryAmongst the element with following electronic configurations, which one of them may have the highest ionization energy ?
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Question 134 of 200
134. Question
Category: ChemistryThe straight chain polymer is formed by –
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Question 135 of 200
135. Question
Category: ChemistryThe IUPAC name of the compound having the formula CH\(\equiv \)C–CH=CH\(_2\) is –
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Question 136 of 200
136. Question
Category: ChemistryWhich of the following compounds will exhibit cis-trans (geometrical) isomerism ?
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Question 137 of 200
137. Question
Category: ChemistryH\(_2\)COH.CH\(_2\)OH on heating with periodic acid gives :
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Question 138 of 200
138. Question
Category: ChemistryCorrectIncorrect -
Question 139 of 200
139. Question
Category: ChemistryBenzene reacts with CH[mathjac]\(_3\)Cl in the presence of anhydrous AlCl\(_3\) to form –
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Question 140 of 200
140. Question
Category: ChemistryNitrobenzene can be prepared from benzene by using a mixture of conc. HNO\(_3\) and conc. H\(_2\)SO\(_4\). In the mixture, nitric acid acts as a/an –
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Question 141 of 200
141. Question
Category: ChemistryWhich of the following reactions is an example of nucleophilic substitution reaction ?
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Question 142 of 200
142. Question
Category: ChemistryWhich one of following is employed as a tranquilizer ?
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Question 143 of 200
143. Question
Category: ChemistryStructures of some common polymers are given which one is not correctly presented ?
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Question 144 of 200
144. Question
Category: ChemistryPredict the product :
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Question 145 of 200
145. Question
Category: ChemistryPropionic acid with Br\(_2\) / P yields a dibromo product, Its structure would be –
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Question 146 of 200
146. Question
Category: ChemistryTrichloroacetaldehyde, CCl\(_3\)CHO reacts with chlorobenzene in presence of sulphuric acid and produces –
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Question 147 of 200
147. Question
Category: ChemistryCorrectIncorrect -
Question 148 of 200
148. Question
Category: ChemistryCorrectIncorrect -
Question 149 of 200
149. Question
Category: ChemistryThe segment of DNA which acts as the instrument manual for the synthesis of the protein is :
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Question 150 of 200
150. Question
Category: ChemistryWhich of the following hormones contains iodine ?
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Question 151 of 200
151. Question
Category: BiologyA young infant may be feeding entirely on mother’s milk which is white in colour but the stools which the infant passes out is quite yellowish. What is this yellow colour due to ?
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Question 152 of 200
152. Question
Category: BiologyGlobulins contained in human blood plasma are primarily involved in –
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Question 153 of 200
153. Question
Category: BiologySeminal plasma in humans is rich in :
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Question 154 of 200
154. Question
Category: BiologyGiven below is a diagrammatic sketch for a portion of human male reproductive system. Select the correct set of the names of the parts labelled A, B, C, D.
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Question 155 of 200
155. Question
Category: BiologyCorrectIncorrect -
Question 156 of 200
156. Question
Category: BiologyWhich one of the following statement is true regarding digestion and absorption of food in humans :
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Question 157 of 200
157. Question
Category: BiologyWhich one of the following correctly described the location of some body parts in the earthworm Pheretima ?
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Question 158 of 200
158. Question
Category: BiologyElbow joint is an example of :
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Question 159 of 200
159. Question
Category: BiologyWhich one of the following is considered important in the development of seed habit ?
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Question 160 of 200
160. Question
Category: BiologyOne of the synthetic auxin is :
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Question 161 of 200
161. Question
Category: BiologyWhich one of the following acids is a derivative of carotenoids ?
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Question 162 of 200
162. Question
Category: BiologyVegetative propagation in mint occurs by :
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Question 163 of 200
163. Question
Category: BiologyWhich one of the following plants is monoecios ?
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Question 164 of 200
164. Question
Category: BiologyFoetal ejection reflex in human female is induced by
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Question 165 of 200
165. Question
Category: BiologyWhich of the following is the correct matching of the events occurring during menstrual cycle ?
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Question 166 of 200
166. Question
Category: BiologyWhich one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female ?
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Question 167 of 200
167. Question
Category: BiologyThe correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is :
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Question 168 of 200
168. Question
Category: BiologyA change in the amount of yolk and its distribution in the egg will effect :
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Question 169 of 200
169. Question
Category: BiologyWhen breast feeding is replaced by less nutritive food low in proteins and calories, the infants below the age of one year are likely to suffer from :
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Question 170 of 200
170. Question
Category: BiologyWhich one of the following types organisms occupy more than one trophic level in a pond ecosystem ?
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Question 171 of 200
171. Question
Category: BiologyWhich one of the following has maximum genetic diversity in India ?
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Question 172 of 200
172. Question
Category: BiologyMontreal protocol aims at :
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Question 173 of 200
173. Question
Category: BiologyChipko movement was launched for the protection of –
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Question 174 of 200
174. Question
Category: BiologyThe correct sequence of plants in hydrosere is :
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Question 175 of 200
175. Question
Category: BiologyA country with a high rate of population growth took measures to reduce it. The figure below shows age-sex pyramids of populations A and B twenty years apart. Select the correct interpretation about them : –
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Question 176 of 200
176. Question
Category: BiologyStep taken by the Government of India to control air pollution include :
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Question 177 of 200
177. Question
Category: BiologyBiochemical Oxygen Demand (BOD) in a river water :
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Question 178 of 200
178. Question
Category: BiologyDDT residues are rapidly passed through food chain causing biomagnification because DDT is :
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Question 179 of 200
179. Question
Category: BiologyGlobal agreement in specific control strategies to reduce the release of ozone depleting substances, was adopted by :
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Question 180 of 200
180. Question
Category: BiologySomaclones are obtained by : –
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Question 181 of 200
181. Question
Category: BiologyWhich one is the wrong pairing for the disease and its causal organism ?
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Question 182 of 200
182. Question
Category: BiologyWhich of the following is not used as a biopesticide ?
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Question 183 of 200
183. Question
Category: BiologyWhich of the following plant species you would select for the production of bioethanol ?
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Question 184 of 200
184. Question
Category: BiologyWhich of the following is a symbiotic nitrogen fixer ?
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Question 185 of 200
185. Question
Category: BiologyA health disorder that results from the deficiency of thyroxine in adults and characterized by (i) a low metabolic rate (ii) increase in body weight and (iii) tendency to retain water in tissues is :
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Question 186 of 200
186. Question
Category: BiologyWhich one of the following statement is correct ?
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Question 187 of 200
187. Question
Category: BiologyWhich of following is a pair of viral diseases ?
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Question 188 of 200
188. Question
Category: BiologyA person likely to develop tetanus is immunized by administering :
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Question 189 of 200
189. Question
Category: BiologyUse of anti-histamines and steroids give a quick relief from –
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Question 190 of 200
190. Question
Category: BiologyAlzhimer disease in humans is associated with the deficiency of :
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Question 191 of 200
191. Question
Category: Biologywhich one of the following is commonly used in transfer of foreign DNA into crop plants ?
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Question 192 of 200
192. Question
Category: BiologyThe bacterium Bacillus thuringiensis is widely used in contemporary biology as –
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Question 193 of 200
193. Question
Category: BiologyWhich one of the following pairs is wrongly matched ?
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Question 194 of 200
194. Question
Category: BiologyPolyethylene glycol method is used for :
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Question 195 of 200
195. Question
Category: BiologyTransgenic plants are the ones –
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Question 196 of 200
196. Question
Category: BiologyWhat is true about Bt toxin ?
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Question 197 of 200
197. Question
Category: BiologyThe genetic defect-adenosine deaminase (ADA) deficiency may be cured permanently by
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Question 198 of 200
198. Question
Category: BiologyThere is no DNA in :
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Question 199 of 200
199. Question
Category: BiologyThe letter T in T-lymphocyte refers to :
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Question 200 of 200
200. Question
Category: BiologyTiger is not a resident in which one of the following National Park ?
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