Official NEET UG 2005 Test
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Question 1 of 200
1. Question
The rate of reaction between two reactants A and B decreases by a factor of 4 if the concentration of reactant B is doubled. The order of this reaction with respect to reactant B is :-
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Question 2 of 200
2. Question
The work functions for metals A, B and C are respectively 1.92 eV, 2.0 eV and 5eV. According to Einstein’s equation, the metals which will emit photo electrons for a radiation of wavelength 4100\(Å\) is/are-
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Question 3 of 200
3. Question
Zener diode is used for:-
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Question 4 of 200
4. Question
In the reaction \(^2_1H + ^3_1H \to ^4_2He +^0_1n\). If the binding energies of \(^2_1H,^3_1H \) and \(^4_2He\)are respectively a, b and c (in MeV), then the energy (in MeV) released in this reaction is
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Question 5 of 200
5. Question
In a circuit L, C and R are connected in series with an alternating voltage source of frequency f. The current leads the voltage by 45\(^o\). The value of C is –
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Question 6 of 200
6. Question
Which of the following processes is reversible
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Question 7 of 200
7. Question
Two batteries, one of emf 18 volts and internal resistance 2\(\Omega \) and the other of emf 12 volt and internal resistance 1\(\Omega \), are connected as shown. The voltmeter V will record a reading of.
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Question 8 of 200
8. Question
Two charges q\(_1\) and q\(_2\) are placed 30 cm apart, as shown in the figure. A third charge q\(_3\) is moved along the arc of a circle of radius 40 cm from C to D. The change in the potential energy of the system is k \(\frac{q_3}{4\pi E_0}\) k , where k is –
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Question 9 of 200
9. Question
An electron moves in a circular orbit with a uniform speed v. It produces a magnetic field B at the centre of the circle. The radius of the circle is proportional to :
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Question 10 of 200
10. Question
A 5-ampere fuse wire can withstand a maximum power of 1 watt in the circuit. The resistance of the fuse wire is :
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Question 11 of 200
11. Question
As per this diagram a point charge +q is placed at the origin O. Work done in taking another point charge –Q from the point A coordinates (0, a) to another point B coordinates (a, 0) along the straight path AB is
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Question 12 of 200
12. Question
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Question 13 of 200
13. Question
If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are denoted by \(\mu _d\), \(\mu _p\) and \(\mu _f\) respectively, then
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Question 14 of 200
14. Question
Two vibrating tuning forks produce progressive waves given by Y\(_1\) = 4 sin 500 \(\pi \)t and Y\(_2\) = 2 sin 506 \(\pi \)t Number of beats produced per minute is
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Question 15 of 200
15. Question
When a wire of uniform cross-section a, length \(l\)and resistance R is bent into a complete circle, resistance between any two of diametrically opposite points will be –
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Question 16 of 200
16. Question
A particle executing simple harmonic motion of amplitude 5 cm has maximum speed of 31.4 cm/s. The frequency of its oscillation is :
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Question 17 of 200
17. Question
The temperature of inversion of a thermocouple is 620\(^o\)C and the neutral temperature is 300\(^o\)C. What is the temperature of cold junction :
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Question 18 of 200
18. Question
The ratio of the dimension of Planck’s constant and that of the moment of inertia is the dimension of :
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Question 19 of 200
19. Question
A bomb of mass 30kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18kg mass is 6ms\(^{–1}\). The kinetic energy of the other mass is :
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Question 20 of 200
20. Question
The nuclei of which one of the following pairs of nuclei are isotones :
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Question 21 of 200
21. Question
A photosensitive metallic surface has work function, h ν\(_0\). If photons of energy 2h ν\(_0\) fall on this surface, the electrons come out with a maximum velocity of 4 × 10\(^6\) m/s. When the photon energy is increased to 5hν\(_0\), then maximum velocity of photo electrons will be
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Question 22 of 200
22. Question
As a result of change in the magnetic flux linked to the closed loop shown in the figure, an e.m.f. V volt is induced in the loop. The work done (joules) in taking a charge Q coulomb once along the loop is-
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Question 23 of 200
23. Question
An ideal gas heat engine operates in Carnot cycle between 227\(^o\)C and 127\(^o\)C. It absorbs 6 × 10\(^4\) cals of heat at higher temperature. Amount of heat converted to work is:-
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Question 24 of 200
24. Question
A coil in the shape of an equilateral triangle of side \(l\) is suspended between the pole pieces of a permanent magnet such that \(\vec{B}\) is in place of the coil. If due to a current i in the triangle a torque \(\tau \) acts on it, the side l of the triangle is-
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Question 25 of 200
25. Question
If \(\lambda _v, \lambda _x and \lambda _m \)represent the wavelengths of visible light, x-rays and microwaves respectively, then-
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Question 26 of 200
26. Question
For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is –
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Question 27 of 200
27. Question
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Question 28 of 200
28. Question
The moment of inertia of a uniform circular disc of radius ‘R’ and mass ‘M’ about an axis passing from the edge of the disc and normal to the disc is-
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Question 29 of 200
29. Question
In any fission process the ratio
\(\frac{mass of fission products}{mass of parents nucleus}\)
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Question 30 of 200
30. Question
Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54\(Å\). The value of lattice constant for this lattice is-
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Question 31 of 200
31. Question
Fission of nuclei is possible because the binding energy per nucleon in them-
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Question 32 of 200
32. Question
The angular resolution of a 10cm diameter telescope at a wavelength of 5000\(Å\) is of the order of –
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Question 33 of 200
33. Question
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Question 34 of 200
34. Question
A drum of radius R and mass M, rolls down without slipping along an inclined plane of ngle \(\theta \). The frictional force-
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Question 35 of 200
35. Question
A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolution in 44 seconds, what is the magnitude and direction of acceleration of the stone-
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Question 36 of 200
36. Question
Choose the only false statement from the following-
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Question 37 of 200
37. Question
The circular motion of a particle with constant speed is-
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Question 38 of 200
38. Question
The total energy of an electron in the first excited state of hydrogen atom is about –3.4eV. Its kinetic energy in this state is-
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Question 39 of 200
39. Question
Carbon, Silicon and Germanium atoms have four valence electrons each. Their valence and conduction bands are separated by energy band gaps represented by \((E_g)_C\), \((E[latex]_g)_{Si}\) and \((E_g)_{Ge}\) respectively. Which one of the following relationships is true in their case
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Question 40 of 200
40. Question
Which of the following circular rods, (given radius r and length \(l\)) each made of the same energy material and whose ends are maintained at the same temperature will conduct most heat
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Question 41 of 200
41. Question
If a vector \( 2\vec{i} + 3 \vec{j} + 8\vec{k} \) is perpendicular to the vector \( 24\vec{j} – 4 \vec{i} + a\vec{k} \) then the value of \(\alpha \)
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Question 42 of 200
42. Question
Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and that on the surface of the new planet is g’, then –
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Question 43 of 200
43. Question
If the angle between the vector \(\vec{A}\) and \(\vec{B}\) is \(\theta {A}\), the value of the product (\(\vec{B}\) × \(\vec{A}\)) . \(\vec{A}\) is equal to –
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Question 44 of 200
44. Question
A point source emits sound equally in all directions in a non-absorbind medium. Two points P and Q are at distance of 2m and 3m respectively from the source. The ratio of the intensities of the waves at P and Q is –
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Question 45 of 200
45. Question
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Question 46 of 200
46. Question
Application of a forward bias to a p-n junction –
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Question 47 of 200
47. Question
Energy levels A, B and C of a certain atom correspond to increasing values of energy i.e. \(E_A < E_B < E_C\). If \(\lambda _1, \lambda _2 and \lambda _3\) are wave lengths of radiations corresponding to transitions C to B, B to A and C to A respectively, which of the following relations is correct –
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Question 48 of 200
48. Question
The displacement x of a particle varies with time t as x = ae\(^{–αt}\) + be\(^βt\) , where a , b, \(\alpha \) and \( \beta \) are positive constants. The velocity of the particle will –
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Question 49 of 200
49. Question
Two boys are standing at the ends A and B of a ground where AB = a. The boy at B starts. running in a direction perpendicular to AB with velocity v\(_1\). The boy at A starts running simultaneously with velocity v and catches the other boy in a time t, where t is –
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Question 50 of 200
50. Question
Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momentum will be in the ratio –
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Question 51 of 200
51. Question
A ball is thrown vertically up ward. It has a speed of 10m/sec when it has reached one half of its maximum height. How high does the ball rise? Take g = 10 m/s\(^2\)
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Question 52 of 200
52. Question
Which one of the following is an inner orbital complex as well as diamagnetic in behaviour –
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Question 53 of 200
53. Question
Which one of the following oxides is expected to exhibit paramagnetic behaviour –
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Question 54 of 200
54. Question
The best method for the separation of naphthalene and benzoic acid from their mixture is –
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Question 55 of 200
55. Question
Which one of the following forms micelles in aqueous solution above certain concentration –
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Question 56 of 200
56. Question
The aqueous solution containing which one of the following ions will be colourless –
[Atomic number : Sc = 21, Fe = 26, Ti = 24, Mn = 25]
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Question 57 of 200
57. Question
A reaction occurs spontaneously if –
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Question 58 of 200
58. Question
In a face –centered cubic lattice, a unit cell is shared equally by how many unit cells :-
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Question 59 of 200
59. Question
Which amongst the following is the most stable carbocation :-
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Question 60 of 200
60. Question
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Question 61 of 200
61. Question
The mole fraction of the solute in one molal aqueous solution is :-
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Question 62 of 200
62. Question
Which of the following is the simplest amino acid –
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Question 63 of 200
63. Question
During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP –
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Question 64 of 200
64. Question
Ectophloic siphonostele is found in -=
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Question 65 of 200
65. Question
G-6-P dehydrogenase deficiency is associated with haemolysis of –
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Question 66 of 200
66. Question
Which of the following statements regarding enzyme inhibition is correct –
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Question 67 of 200
67. Question
In contrast to Annelids the Platyhelminths show
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Question 68 of 200
68. Question
Which of the following represents the edible part of the fruit of Litchi –
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Question 69 of 200
69. Question
Which one of the following pairs in mismatched-
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Question 70 of 200
70. Question
Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these –
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Question 71 of 200
71. Question
E. coli cells with a mutated z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because –
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Question 72 of 200
72. Question
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Question 73 of 200
73. Question
Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species :-
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Question 74 of 200
74. Question
The vapour pressure of two liquids ‘P’ and ‘Q’ are 80 and 60 torr, respectively. The total vapour pressure of solution obtained by mixing 3 mole of P and 2 mole of Q would be :-
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Question 75 of 200
75. Question
The mass of carbon anode consumed (giving only carbondioxide) in the production of 270 kg of aluminium metal from bauxite by the Hall process is :-
(Atomic mass : Al = 27)
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Question 76 of 200
76. Question
The absolute enthalpy of neutralisation of the reaction :
MgO(s) +2HCl(aq) \(\to \) MgCl\(_2\)(aq)+H\(_2\)O(1) will be : –
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Question 77 of 200
77. Question
Which one of the following alkenes will react faster with H\(_2\) under catalytic hydrogenation conditions :-
[R = Alkyl substituent]
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Question 78 of 200
78. Question
A solution of urea (mol. mass 56 g mol\(^{–1}\)) boils at 100.18\(^o\)C at the atomospheric pressure. If K\(_f\) and K\(_b\) for water are 1.86 and 0.512K kg mol\(^{–1}\)respectively , the above solution will freeze at :-
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Question 79 of 200
79. Question
The energy of second Bohr orbit of the hydrogen atom is –328 kJ mol\(^{–1}\); hence the energy of fourth Bohr orbit would be :-
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Question 80 of 200
80. Question
The surface tension of which of the following liquid is maximum :-
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Question 81 of 200
81. Question
Which one of the following pair represents stereo isomerism :-
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Question 82 of 200
82. Question
The number of moles of KMnO\(_4\) reduced by one mole of KI in alkaline medium is :-
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Question 83 of 200
83. Question
Which of the following undergoes nucleophilic substitution exclusively by SN\(^1\) mechanism :
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Question 84 of 200
84. Question
Four successive members of the first row transition elements are listed below with their atomic numbers. which one of them is expected to have the highest third ionization enthalpy :-
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Question 85 of 200
85. Question
Which one of the following is expected to exhibit optical isomerism ?
(en = ethylenediamine)
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Question 86 of 200
86. Question
A solution has a 1 :4 mole ratio of pentane to hexane. The vapour pressures of the pure hydrocarbons at 20\(^o\)C are 440 mm Hg for pentane and 120 mm Hg for hexane. The mole fraction of pentane in the vapour phase would be-
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Question 87 of 200
87. Question
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Question 88 of 200
88. Question
Which functional group participates in disulphide bond formation in proteins :-
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Question 89 of 200
89. Question
At 25oC, the dissociation constant of a base, BOH, is 1.0 × 10\(^{–12}\). The concentration of hydroxyl ions in 0.01M aqueous solution of the base would be :-
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Question 90 of 200
90. Question
The correct order in which the O-O bond length increases in the following is :-
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Question 91 of 200
91. Question
Which of the following molecules has trigonal planner geometry ;
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Question 92 of 200
92. Question
The main reason for larger number of oxidation states exhibited by the actinoids than the corresponding lanthanoids, is :-
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Question 93 of 200
93. Question
Electrolytic reduction of nitrobenzene in weakly acidic medium gives :-
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Question 94 of 200
94. Question
Which one of the following compounds is most acidic :-
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Question 95 of 200
95. Question
For a first order reaction A\(\to \) B the reaction rate at reactant concentration of 0.01M is found to be .0 × 10\(^{–5}\) mole L\(^{–1}\)s\(^{ –1}\). The half life period of the reaction is :-
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Question 96 of 200
96. Question
What is the correct relationship between the pHs of isomolar solutions of sodium oxide (pH\(_1\)), sodium sulphide (pH\(_2\)), sodium selenide (pH\(_3\)) and sodium telluride (pH\(_4\)) ?
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Question 97 of 200
97. Question
The cell membranes are mainly composed of :-
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Question 98 of 200
98. Question
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Question 99 of 200
99. Question
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Question 100 of 200
100. Question
Which of the following pairs of a chemical reaction is certain to result in a spontaneous reaction –
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Question 101 of 200
101. Question
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Question 102 of 200
102. Question
Which of the following would have a permanent dipole moment –
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Question 103 of 200
103. Question
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Question 104 of 200
104. Question
The correct sequence of increasing covalent character is represented by –
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Question 105 of 200
105. Question
IUPAC Name of some compounds are given. Which one is incorrect –
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Question 106 of 200
106. Question
A nuclide of an alkaline earth metal undergoes radioactive decay by emission of the \(\alpha \)-particles is succession. The group of the periodic table to which the resulting daughter element would belong is :-
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Question 107 of 200
107. Question
4.5g of aluminium (at. mass 27 amu) is deposited at cathode from Al\(^{3+}\) solution by a certain quantity of electric charge. The volume of hydrogen produced at STP from H\(^+\) ions in solution by the same quantity of electric charge will be –
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Question 108 of 200
108. Question
Which of the following is the electron deficient molecule –
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Question 109 of 200
109. Question
H\(_2\)S gas when passed through a solution of cations containing HCl precipitates the cations of second group of qualitative analysis but not those belonging to the fourth group. It is because-
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Question 110 of 200
110. Question
The correct order of acid strength is –
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Question 111 of 200
111. Question
The deficiencies of micronutrients, not only affects growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow. Among the list given below, which group of three elements shall affect most, both photosynthetic and mitochondrial electron transport –
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Question 112 of 200
112. Question
Through which cell of the embryo sac, does the pollen tube enter the embryo sac-
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Question 113 of 200
113. Question
An acromian process is characteristically found in the –
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Question 114 of 200
114. Question
Golden rice is a transgenic crop of the future with the following improved trait –
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Question 115 of 200
115. Question
In a type of apomixis known as adventive embryony, embryos develop directly from the –
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Question 116 of 200
116. Question
All of the following statements concerning the Actinomycetous filamentous soil bacterium Frankia are correct EXCEPT that Frankia –
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Question 117 of 200
117. Question
In ornithine cycle which of the following wastes are removed form the blood –
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Question 118 of 200
118. Question
At a particular locus, frequency of ‘A’ allele is 0.6 and that of ‘a’ is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibrium
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Question 119 of 200
119. Question
Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cell of the following. Which of the cells are least likely to be replaced by new cells –
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Question 120 of 200
120. Question
Which one of the following makes use of RNA as a template to synthesize DNA –
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Question 121 of 200
121. Question
A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as get the best possible resolution –
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Question 122 of 200
122. Question
As compared to a C\(_3\)-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by C\(_4\)-plants –
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Question 123 of 200
123. Question
Bacillus thuringiensis (Bt) strains have been used for designing novel –
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Question 124 of 200
124. Question
Secretin and cholecystokinin are digestive hormones. They are secreted in –
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Question 125 of 200
125. Question
Grey crescent is the area –
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Question 126 of 200
126. Question
Match items in Column I with those in Column II –
Sort elements
- Escherichia coli
- Ginkgo
- Selaginella
- Wolffia
- Macrocystes
-
Peritrichous flagellation
-
Living fossil
-
Rhizophore
-
Smallest flowering plant
-
Largest Perennial alga
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Question 127 of 200
127. Question
Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originates as adaptation. These imprints need to be used –
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Question 128 of 200
128. Question
Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on
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Question 129 of 200
129. Question
Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non- living matter –
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Question 130 of 200
130. Question
Which of the following is not used for disinfection of drinking water –
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Question 131 of 200
131. Question
Which of the following characters is not typical of the class Mammalia –
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Question 132 of 200
132. Question
Identify the correctly matched pair –
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Question 133 of 200
133. Question
Auxospores and hormocysts are formed respectively, by –
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Question 134 of 200
134. Question
Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution –
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Question 135 of 200
135. Question
The name of Norman Borlaug is associated with-
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Question 136 of 200
136. Question
Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by –
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Question 137 of 200
137. Question
Which of the following is generally used for induced mutagenesis in crop plants –
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Question 138 of 200
138. Question
One of the most important functions of botanical gardens is that –
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Question 139 of 200
139. Question
The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is –
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Question 140 of 200
140. Question
Epithelial cells of the intestine involved in food absorption have on their surface –
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Question 141 of 200
141. Question
If mammalian ovum fails to get fertilized, which one of the following is unlikely –
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Question 142 of 200
142. Question
The catalytic efficiency of two different enzymes can be compared by the –
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Question 143 of 200
143. Question
Biodiversity Act of India was passed by the Parliament in the year –
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Question 144 of 200
144. Question
The salivary gland chromosomes in the dipteran larva, are useful in gene mapping because –
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Question 145 of 200
145. Question
Top-shaped multiciliate male gametes, and the mature seed which bears only one embryo with two cotyledons, are characteristic features of –
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Question 146 of 200
146. Question
Which group of three of the following five statements (a-e) contain is all the three correct statements regarding beri-beri –
(a) A crippling disease prevalent among the native population of sub-Saharan Africa(b) A deficiency disease caused by lack of thiamine (vitamin B\(_1\))
(c) A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein
(d) Occurs in those countries where the staple diet is polished rice
(e) The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure
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Question 147 of 200
147. Question
Which of the following unicellular organism has a macronucleus for trophic function and one or more micronuclei for reproduction –
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Question 148 of 200
148. Question
Protein synthesis in an animal cell occurs –
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Question 149 of 200
149. Question
Centromere is required for –
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Question 150 of 200
150. Question
Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain-
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Question 151 of 200
151. Question
Carbohydrates, the most abundant biomolecules on earth, are produced by –
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Question 152 of 200
152. Question
Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example
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Question 153 of 200
153. Question
Which one of the following represents an ovule, where the embryo sac becomes horse- shoe shaped and the funiculus and micropyle are close to each other –
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Question 154 of 200
154. Question
Three crops that contribute maximum to global food grain production are –
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Question 155 of 200
155. Question
Telomerase is an enzyme which is a –
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Question 156 of 200
156. Question
In order to find out the different types of gametes produced by a pea plants having the genotype AaBb, it should be crossed to a plant with the genotype –
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Question 157 of 200
157. Question
Prolonged liberal irrigation of agricultural fields is likely to create the problem of –
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Question 158 of 200
158. Question
According to widely accepted “fluid mosaic model” cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several respects. In this regard, which of the following statements are incorrect –
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Question 159 of 200
159. Question
There exists a close association between the alga and the fungus within a lichen. The fungus –
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Question 160 of 200
160. Question
In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues –
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Question 161 of 200
161. Question
Which of the following is not a hereditary disease –
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Question 162 of 200
162. Question
Which of the following is the relatively most accurate method for dating of fossils –
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Question 163 of 200
163. Question
More than 70% of world’s fresh water is contained in –
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Question 164 of 200
164. Question
A woman with normal vision, but whose father was colour bind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy –
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Question 165 of 200
165. Question
production of a human protein in bacteria by genetic engineering is possible because
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Question 166 of 200
166. Question
Which of the following substances, if introduced into the blood stream, would cause coagulation of blood at the site of its introduction –
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Question 167 of 200
167. Question
The world’s highly prized wool yielding ‘Pashmina’ breed is –
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Question 168 of 200
168. Question
Photosynthesis in \(C_4\) plants is relatively less limited by atmospheric \(CO_2\) levels because
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Question 169 of 200
169. Question
One of the examples of the action of the autonomous nervous system is –
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Question 170 of 200
170. Question
At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell –
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Question 171 of 200
171. Question
During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at the point. What is the sequence called –
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Question 172 of 200
172. Question
The main organelle involved in modification and routing of newly synthesized proteins to their destinations is –
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Question 173 of 200
173. Question
Damage to thymus in a child may lead to
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Question 174 of 200
174. Question
Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness –
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Question 175 of 200
175. Question
Why is vivipary an undersirable character for annual crop plants –
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Question 176 of 200
176. Question
There are two opposing views about origin of modern man. According to one view Homo erectus in Asia were the ancestors of modern man. A study of variation of DNA however suggested African origin of modern man. What kind of observation of DNA variation could suggest this –
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Question 177 of 200
177. Question
Which of the following is not true for a species –
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Question 178 of 200
178. Question
Photosynthetic Active Radiation (PAR) has the following range of wavelengths
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Question 179 of 200
179. Question
Haemophilia is more commonly seen in human males than in human females because –
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Question 180 of 200
180. Question
Chlorophyll in chloroplasts is located in –
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Question 181 of 200
181. Question
AIDS is caused by HIV that principally infects
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Question 182 of 200
182. Question
Which one of the following pairs in mismatched-
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Question 183 of 200
183. Question
In which one pair both the plants can be vegetatively propagated by leaf pieces –
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Question 184 of 200
184. Question
parkinson’s disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter –
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Question 185 of 200
185. Question
A women with 47 chromosomes due to three copies of chromosome 21 is characterized by –
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Question 186 of 200
186. Question
A man and a women, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughter and 5 sons). Three of the sons suffer from the given disease but none of the daughters are affected. Which of the following mode of inheritance do you suggest for this disease
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Question 187 of 200
187. Question
At which latitude, heat gain through insolation approximately equals heat loss through terrestrial radiation –
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Question 188 of 200
188. Question
In a man, abduncens nerve is injured. Which one of the following functions will be affected
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Question 189 of 200
189. Question
De Vries gave his mutation theory on organic evolution while working on –
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Question 190 of 200
190. Question
Genes for cytoplasmic male sterility in plants are generally located in –
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Question 191 of 200
191. Question
A patient is generally advised to specially consume more meat, lentils, milk and eggs in diet only when he suffers from –
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Question 192 of 200
192. Question
Barophilic prokaryotes –
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Question 193 of 200
193. Question
An important step in the manufacture of pulp for paper industry from the woody tissues of plants is the –
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Question 194 of 200
194. Question
Potometer works on the principle of –
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Question 195 of 200
195. Question
The ability of the Venus Flytrap to capture insects is due to –
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Question 196 of 200
196. Question
Which of the following pairs, is correctly matched –
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Question 197 of 200
197. Question
According to IUCN Red List, what is the status of Red Panda (Ailurus fulgens) ?
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Question 198 of 200
198. Question
A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of –
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Question 199 of 200
199. Question
For retting of Jute the fermenting microbe used is –
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Question 200 of 200
200. Question
From the following statements select the wrong one –
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