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Question 1 of 180
1. Question
1.Read the statement below and find out which statement is true?
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Question 2 of 180
2. Question
2.Match the following
Column-I Column-II
(I) Provide the index to the plant species found in a particular area
(P) Key (II) Identification of plants and animals based on the similarities and dissimilarities
(Q) Flora (III) Contains the actual account of habitat and distribution of plants of a given area
(R) Monographs (IV) Contain information on any one taxon
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Question 3 of 180
3. Question
3.Which of the following is analytical in nature
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Question 4 of 180
4. Question
4.In Basidiomyecetes, the site for karyogamy is
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Question 5 of 180
5. Question
5.Choose the Incorrect statement
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Question 6 of 180
6. Question
6.Identify structure A and choose the correct function
Structure Function
(P) Cell wall (I) Maintains shape
(Q) DNA (II) Infectious material
(R) Capsid (III) Replication
(IV) Protect nucleic acid
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Question 7 of 180
7. Question
7.The scientist first crystallised virus
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Question 8 of 180
8. Question
8.The main criteria of the five kingdom classification were
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Question 9 of 180
9. Question
9.In lichens which component is the site for absorption of mineral nutrient?
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Question 10 of 180
10. Question
10._____________is used extensively in biochemical and genetic work
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Question 11 of 180
11. Question
11.All are true except
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Question 12 of 180
12. Question
12.In which of the following have modified their stems for food storage
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Question 13 of 180
13. Question
13.One common feature that flowers of lily shows
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Question 14 of 180
14. Question
14.The semi-technical description of a typical flowering plants will be
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Question 15 of 180
15. Question
15.The floral formula of tobacco is
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Question 16 of 180
16. Question
16.Study the diagram given below and identify the plant
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Question 17 of 180
17. Question
17.Tannins are stored in the
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Question 18 of 180
18. Question
18.Assertion: Monocotyledons do not form secondary tissues.
Reason: The vascular bundles have no cambium present in them.
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Question 19 of 180
19. Question
19.Epiblema is a layer of
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Question 20 of 180
20. Question
20.In the given diagram identify A,B,C,D respectively
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Question 21 of 180
21. Question
21.The Fluid Mosaic Model of plasma membrane was proposed by
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Question 22 of 180
22. Question
22.The ribosomes of chloroplasts are
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Question 23 of 180
23. Question
23. Find out the incorrect statement
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Question 24 of 180
24. Question
24.During which phase of the cell cycle, the amount of DNA in a cell remain at 4C level but no increase in chromosome number if the initial amount is denoted as 2C?
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Question 25 of 180
25. Question
25.The complex formed by a pair of synapsed homologous chromosomes is called?
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Question 26 of 180
26. Question
26.The porins are present in
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Question 27 of 180
27. Question
27.Match the column
Column-I Column-II
(P) Mg2+ (I) Activator of Nitrogenase
(Q) Zn2+ (II) Activator of Phosphoenol pyruvate carboxylase
(R) Mo (III) Activator of alcohol dehydrogenase
(IV) Inhibitor of ribulose bisphosphate carboxylase-oxigenase
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Question 28 of 180
28. Question
28.Which of the following statement is Incorrect?
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Question 29 of 180
29. Question
29.Law of limiting factors discussed about
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Question 30 of 180
30. Question
30.Muscles during exercise produce lactic acid, here _____________is the reducing agent
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Question 31 of 180
31. Question
31.An idealised sigmoid curve is plotted against X and Y axis respectively
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Question 32 of 180
32. Question
32.Nihar has got some stem cuttings preparing for planting them in new pot, but they have no roots at all. What hormone should Nihar apply to initiate rooting in the stem cuttings?
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Question 33 of 180
33. Question
33.Which is not an asexual reproductive structure?
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Question 34 of 180
34. Question
34. The distance between genes were measured by using the frequency of recombination between gene pairs on the same chromosome—The work was carried out by the scientist
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Question 35 of 180
35. Question
35.Which of the flowing ids correct about the given pedigree?
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Question 36 of 180
36. Question
36.The single base substitution at the sixth codon of the beta globin gene from GAG to GUG results in
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Question 37 of 180
37. Question
37.Polyploidy results from
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Question 38 of 180
38. Question
38.Haploid content of Human DNA is
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Question 39 of 180
39. Question
39.Which statement is Incorrect?
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Question 40 of 180
40. Question
40.The disease leprosy highly respond to ________ treatment
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Question 41 of 180
41. Question
41.Which is wrong statement?
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Question 42 of 180
42. Question
42.________ is not a part of decomposition
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Question 43 of 180
43. Question
43.Percentage of energy in the sunlight converted by the primary producers is?
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Question 44 of 180
44. Question
44.Match the column and select the correct option given below
Column-I Column-II
(P) Long term ecosystem experiments (I) Paul Ehrlich
(Q) Rivet Popper hypothesis (II) David Tilman
(R) Increasing of species richness with (III) Schleiden
increasing explored area (IV) Humboldt
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Question 45 of 180
45. Question
45.Electrostatic precipitator is used for
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Question 46 of 180
46. Question
46.Scientific name of bath sponge is
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Question 47 of 180
47. Question
47. Which group of animal shows internal fertilisation and development is through many larval stages?
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Question 48 of 180
48. Question
48.Choose the statements which are Incorrect
a. Neuroglial cells protect and support neurons
b. Osteocytes are present in spaces called lacunae
c. Striated muscle fibres are bundles together in a parallel fashion
d. Blood cells secrete fibres of structural proteins called collagen or elastin
e. Biceps are voluntary and unstriated
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Question 49 of 180
49. Question
49.Tergites are
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Question 50 of 180
50. Question
50.Identify the structure in the given diagram
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Question 51 of 180
51. Question
51.Which is basic amino acid among them?
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Question 52 of 180
52. Question
52.Which of the following statement is correct?
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Question 53 of 180
53. Question
53.The outermost layer of alimentary canal is made up of
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Question 54 of 180
54. Question
54.Goblet cells are present in the
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Question 55 of 180
55. Question
55.Identify the layer
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Question 56 of 180
56. Question
56.Trachea is a straight tube extending up to the mid thoracic cavity, which divides at the level of
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Question 57 of 180
57. Question
57.Partial pressure of Oxygen in alveoli remains
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Question 58 of 180
58. Question
58.The mechanism of coagulation is initiated by
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Question 59 of 180
59. Question
59.Embryologically heart is derived from
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Question 60 of 180
60. Question
60.The action potential is conducted to ventricular side by______ and ______
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Question 61 of 180
61. Question
61.T-wave represents
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Question 62 of 180
62. Question
62.Antennal glands performs excretory functions in
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Question 63 of 180
63. Question
63.Identify the structure labelled in the given diagram
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Question 64 of 180
64. Question
64. Concentration of urine depends upon
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Question 65 of 180
65. Question
65.Which component is abundant in white fibres?
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Question 66 of 180
66. Question
66.Match the column
Column-I Column-II
a.Base of buccal cavity i. Cranial bone
b.Facial region ii. U-shaped bone
c.Ventral mid line of thorax iii. Clavicle
d.Pectoral girdle iv. Flat bone
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Question 67 of 180
67. Question
67.Vertebrochondral ribs are
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Question 68 of 180
68. Question
68.Inflammation of joints results
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Question 69 of 180
69. Question
69.Unmyelinated nerve fibres are found in
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Question 70 of 180
70. Question
70.The motor and sensory areas are present in
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Question 71 of 180
71. Question
71.The olfactory epithelium is made up of _______ kinds of cells
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Question 72 of 180
72. Question
72.Avilash was experiencing headache and dizziness for the last few days. When visited a clinic, a doctor informed that his blood pressure is high. Which of the following hormone will be secreted in the body to reduce the blood pressure?
I.Aldosterone
II. Cortisol
III.Atrial natriuretic factoR
IV.Erythropoietin
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Question 73 of 180
73. Question
73.The hormone which follows the given pathway is
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Question 74 of 180
74. Question
74.Graafian follicle transform as the corpus luteum in
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Question 75 of 180
75. Question
75.Choose the right statement
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Question 76 of 180
76. Question
76.Which is terminal method of contraception?
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Question 77 of 180
77. Question
77.According to Darwin, the organic evolution is due to
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Question 78 of 180
78. Question
78.Praying mantis is a good example of
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Question 79 of 180
79. Question
79.Angiosperms evolved in the
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Question 80 of 180
80. Question
80.Lobefins evolved into the
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Question 81 of 180
81. Question
81.The first mammals were like
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Question 82 of 180
82. Question
82.The first human like creature was named
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Question 83 of 180
83. Question
83.Which one of the following is not a property of cancerous cells whereas the remaining three are?
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Question 84 of 180
84. Question
84.Opiate narcotic is
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Question 85 of 180
85. Question
85.Nicotine acts as a stimulant, because it mimics the effect of
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Question 86 of 180
86. Question
86.coli is closely related to
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Question 87 of 180
87. Question
87.Which is the correct sequence of steps for genetically modifying organism?
I.Maintenance of introduced DNA in the host and transfer of the DNA to its progeny
II.Identification of DNA with desirable genes
III.Introduction of the identified DNA into the host
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Question 88 of 180
88. Question
88.Agrobacterium tumifaciens deliver ________ to normal plant cells that turns into a tumor cells
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Question 89 of 180
89. Question
89.1983, Eli Lilly an American company prepared DNA sequences corresponding to the chains of insulin that were
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Question 90 of 180
90. Question
90.Gene therapy was first applied to cure
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Question 91 of 180
91. Question
91.The area of cross-section of the wider tube shown in the figure is 800 cm^2. If a mass of 12 kg is placed on the massless piston, the difference is heights h in the level of water in the two tubes is:
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Question 92 of 180
92. Question
92.The weight of an aero plane flying in the air is balanced by
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Question 93 of 180
93. Question
93. Hot water cools from 60°C to 50° in first 10 minutes and from 50°C to 42°C in next 10 minutes. The temperature of surrounding is:
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Question 94 of 180
94. Question
94.The work done by a mass less piston in causing an expansion ΔV (at constant temperature), when the opposing pressure, P is variable, is given by:
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Question 95 of 180
95. Question
95.In an electromagnetic wave in free space, the root mean square value of the electric field is 6 V/m. The peak value of the magnetic field is
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Question 96 of 180
96. Question
96.100 joule of work is performed in carrying a charge of ‒5 coulomb from infinity to a particular point in a uniform electrostatic field. The potential of this point is:
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Question 97 of 180
97. Question
97. What is the ratio of the average acceleration during the intervals OA and AB in the velocity-time graph as shown below?
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Question 98 of 180
98. Question
98.A particle of mass 2g and charge 1μC is held at a distance of 1 m from a fixed charge 1mC. If the particle is released it will be repelled. The speed of particle when it is at a distance of 10 metre from the fixed charge is :
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Question 99 of 180
99. Question
99.Two slabs A and B of different materials but of the same thickness are joined end to end to form a composite slab. The thermal conductivities of A and B are K1 and K2 respectively. A steady temperature difference of 12°C is maintained across the composite slab. If K1 = K2 / 2 the temperature difference across slabs A is
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Question 100 of 180
100. Question
100.The temperature of equal masses of three different liquids A, B and C are 12℃, 19℃ and 28℃ respectively. The temperature when A and B are mixed is 16℃, when B and C are mixed is 23℃, what is the temperature when A and C are mixed?
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Question 101 of 180
101. Question
101.A block of mass m is stationary with respect to wedge of mass M moving with uniform speed v on horizontal surface. Find the work done by friction force on the block in t second
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Question 102 of 180
102. Question
102.The following figure shows a logic gate circuit with two inputs A and B output C. The voltage waveforms of A,B and C are as shown in second figure given below :-
The logic circuit gate is :-
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Question 103 of 180
103. Question
103.In a common base transistor circuit, the current gain is 0.98. On changing emitter current by 5.0mA, the change in collector current is
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Question 104 of 180
104. Question
104.Two Polaroid’s are placed in the path of unpolarised beam of intensity I0 such that no light is emitted from the second Polaroid. If a third polaroid whose polarization axis makes an angle q with the polarization axis of first polaroid is placed between these polaroid’s then the Intensity of light emerging from the last polaroid will be
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Question 105 of 180
105. Question
105.It is desired to make an achromatic combination of two lenses, (L1&L2) made of materials having dispersive power ω1 and ω2 (<ω1). If the combination of lenses is converging then:
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Question 106 of 180
106. Question
106.Photons of energy 6 eV are incident on a potassium surface whose work function is 2.1 eV. The corresponding stopping potential required is :
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Question 107 of 180
107. Question
107.The value of M of the hanging block is in the figure, which will prevent the smaller block (m=1 kg) from slipping over the triangular block. All the surfaces are smooth and string and pulley are ideal. (Given: M’=4 kg and θ=370)
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Question 108 of 180
108. Question
108.A body moves along an uneven surface with constant speed at all points.
The normal reaction due to ground on the body is :CorrectIncorrect -
Question 109 of 180
109. Question
109.A rocket with a lift-off mass 3.5 × 10^4 kg is blasted upwards with an initial acceleration of 10 m/s2. Then the initial thrust of the blast is
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Question 110 of 180
110. Question
110.A round uniform body of radius R, mass M and moment of inertia ‘I’, rolls down (without slipping) an inclined plane making an angle θ with the horizontal. Then its acceleration is
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Question 111 of 180
111. Question
111.A particle of mass 10 g is kept on the surface of a uniform sphere of mass 100 kg and radius 10 cm. Find the work to be done against the gravitational force between
(you may take G = 6 . 67× 10-11 Nm2/ kg2)CorrectIncorrect -
Question 112 of 180
112. Question
112.A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approximate radius would earth (mass = 5.98 x 1024 kg) have to be compressed to be a black hole?
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Question 113 of 180
113. Question
113.Monochromatic light is incident on a glass prism of angle A. If the refractive index of the material oft the prism is μ, a ray incident at an angle θ, on the face AB would get transmitted through the face AC of the prism provided
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Question 114 of 180
114. Question
114.The root mean square velocity of hydrogen molecules of an ideal hydrogen gas kept in a gas chamber at 00 C is 3180 m/s. Calculate the pressure of hydrogen gas: Density of hydrogen gas=8.99×10^-2kgm3, atmosphere= 1.01×10^5Nm2
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Question 115 of 180
115. Question
115.Following is the Wheatstone bridge in which P/Q= R/S Let K be the key which is closed, so what will be the deflection shown by galvanometer?
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Question 116 of 180
116. Question
116.What is the ratio of power dissipated if two electric bulbs are connected in series and the ratio of their resistance is 1:2?
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Question 117 of 180
117. Question
117.The thermo emf of a thermocouple varies with the temperature θ of the hot junction as E = aθ + bq2 (in volts) where the ratio a/b is 700°C. If the cold junction is kept at 0°C, then the neutral temperature of the thermocouple is:
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Question 118 of 180
118. Question
118.A particle executes S.H.M of amplitude A. At what distance from the mean position is its kinetic energy equal to its potential energy?
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Question 119 of 180
119. Question
119.The string of pendulum of length l is displaced through 900 from the vertical and released. Then the minimum strength of the string in order to withstand the tension, as the pendulum passes through the mean position is
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Question 120 of 180
120. Question
120.Calculate the final kinetic energy of a block of mass if the mass of the block is 10kg and has a constant velocity of 10m/s. The block of mass is subjected to a retarding force of F=0.1J/m
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Question 121 of 180
121. Question
121.A river flows east to west at a speed 5 m/min. A man capable of swimming 10 m/min in still water is standing on the south bank of the river. He wants to swim across the river in the shortest time possible. Which of the following path should he choose?
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Question 122 of 180
122. Question
122.Consider two capacitances of capacity C1 and C2 which are connected in series and have potential difference V. What is the potential difference across C1?
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Question 123 of 180
123. Question
123.The Hysteresis loops for two magnetic materials A and B are given below
These materials are used to make magnets for transformer core, electric generators and electromagnet core. Which of the following is true about the given magnets?
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Question 124 of 180
124. Question
124.Calculate the value of V1 and V2
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Question 125 of 180
125. Question
125.In a radioactive substance at t = 0, the number of atoms is 8×10^4, its half-life period is 3 yr. the number of atoms 1×10^4 will remain after interval [UP CPMT 2010]
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Question 126 of 180
126. Question
126.The half-life of radium is 1622 years. How long will it take for seven-eighth of a given amount of radium to decay
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Question 127 of 180
127. Question
127.The binding energies of the nuclei A and B are Ea and Eb respectively. Three atoms of the element B fuse to give one atom of element A and an energy Q is released. Then Ea, Eb and Q are related as
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Question 128 of 180
128. Question
128.When a metallic surface is illuminated with radiation of wavelength λ, the stopping potential is V. If the same surface is illuminated with radiation of wavelength 2λ, the stopping potential is V/4 .The threshold wavelength for metallic surface is:
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Question 129 of 180
129. Question
129.A radiation of energy ‘E’ falls normally on a perfectly reflecting surface. The momentum transferred to the surface is (c=velocity of light)
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Question 130 of 180
130. Question
130.A photoelectric surface is illuminated successively by monochromatic light of wavelength λ and λ/2. If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case, the work function of the surface of the material is (h=Planck’s constant, c=speed of light)
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Question 131 of 180
131. Question
131.The figure shows a plot of photo current versus anode potential for a photo sensitive surface for three difference radiations. Which one of the following is a correct statement?
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Question 132 of 180
132. Question
132.The number of photoelectrons emitted for light of a frequency v (higher than the threshold frequency v0) is proportional to
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Question 133 of 180
133. Question
133.A force F acting on an object varies with distance x as shown here. The force is in N and x in m. The work done by the force in moving the object from x = 0 to x = 6 m is
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Question 134 of 180
134. Question
134.A, B and C are voltmeters of resistance R, 1.5R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter readings are VA, VB and VC respectively, then
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Question 135 of 180
135. Question
135.Two similar springs P and Q have spring constants KP and KQ such that KP > KQ. They are stretched first by the same amount (case a), then by the same force (case b). The work done by the springs WP and WQ are related as, in case (a) and case (b), respectively
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Question 136 of 180
136. Question
136.x1 mL solution having normality y1 is diluted to get a solution of normality y2, what would be volume required for dilution?
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Question 137 of 180
137. Question
137.Heat of neutralization of oxalic acid is -53.35 kJ/mol using NaOH. Hence ∆H of oxalic acid dissociation in acidic medium is,
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Question 138 of 180
138. Question
138.The dipole moment of toluene is 0.36 D. The dipole moment o ortho-xylene would be,
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Question 139 of 180
139. Question
139.When the surface of the metal is irradiated by applying the radiation of wavelength 400 Å, the ejected electron travels with K.E. two third of the incident energy. The stopping potential of the photoelectron ejected is,
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Question 140 of 180
140. Question
140.Which of the following acts as both oxidizing and reducing agent?
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Question 141 of 180
141. Question
141.The correct comparison of the size of Cl–, Cl and Fe2+ ion is,
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Question 142 of 180
142. Question
142.Which of the following statement is incorrect?
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Question 143 of 180
143. Question
143.If the shortest wavelength of hydrogen atom in Lyman series is X. Then longest wavelength in Balmer series for He+ is,
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Question 144 of 180
144. Question
144.Some types of gels like gelatin liquify on shaking, thereby changing into sols. The sols on standing changes back to gel. The process is known as,
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Question 145 of 180
145. Question
145. 9.5 g MgCl2 is dissolved in 200 g of water then the difference in boiling point and freezing point of solution is (Kb = 0.52 K/m, Kf = 1.86 K/m and assume 100% dissociation took place)
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Question 146 of 180
146. Question
146.What percentage of CO2 in air is just sufficient to prevent loss in weight when CaCO3 is heated at 100oC? The given Kp for CaCO3 dissociation is 0.0095 atm at 100o
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Question 147 of 180
147. Question
147.A 2 g sample of xenon reacts with fluorine. The mass of compound produced is 3.158 g. The empirical formula of the compound is,
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Question 148 of 180
148. Question
148.A graph is plotted between Ecell of quinhydrone half-cell and pH of solution. Intercept is 0.699 V. At what pH, the Ecell will become 0.492 V?
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Question 149 of 180
149. Question
149.The relative lewis acid strength of boron trihalide is in the order,
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Question 150 of 180
150. Question
150.The pKb of cyanide ion is 4.7. The pH of solution prepared by mixing 2.5 moles of KCN and 2.5 moles of HCN in water and making total volume up to 500 mL is,
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Question 151 of 180
151. Question
151.For a radioactive element, a graph of log(No/Nt) vs. time has a slope equal to,
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Question 152 of 180
152. Question
152.The packing efficiency of the 2D square unit cell shown below is,
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Question 153 of 180
153. Question
153.The maximum entropy of mixing occurs when hexane and heptane are mixed respectively in the proportion of,
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Question 154 of 180
154. Question
154.An ionic compound AB having structure similar to rock salt. All the ions are removed along the planes of two body diagonal then the formula of the compound will be,
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Question 155 of 180
155. Question
155.The coagulation of 100 mL of colloidal solution of gold is completely prevented by the addition of 0.25 g of a substance ‘X’ to it before adding 1 mL of 10% NaCl solution. The gold number of ‘X’ is,
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Question 156 of 180
156. Question
156.Aqueous solution of an inorganic compound (X) shows the following reactions,
i. It decolorizes an acidified KMnO4 solution accompanied by the evolution of oxygen.
ii. It liberates iodine from an acidified KI solution.
iii. It gives a brown precipitate with alkaline KMnO4 solution with evolution of oxygen.
Identify ‘X’,
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Question 157 of 180
157. Question
157.Which of the following changes is not realized in the laboratory?
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Question 158 of 180
158. Question
158.The moles of H2O2 which can be oxidized by one mole of KMnO4 in acidic medium is,
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Question 159 of 180
159. Question
159.The substance used as an activator in froth floatation process is,
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Question 160 of 180
160. Question
160.Which of the following hybrid state is associated with low spin octahedral complex?
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Question 161 of 180
161. Question
161.Mercurous chloride turns black on treatment with ammonium hydroxide. This is due to formation of,
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Question 162 of 180
162. Question
162.Which of the following H2S would separate in pH < 7?
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Question 163 of 180
163. Question
163.Which of the following is organometallic compound?
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Question 164 of 180
164. Question
164.[Fe(H2O)6]2+ and [Fe(CN)6]4- differ in,
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Question 165 of 180
165. Question
165.The purple color of KMnO4 is due to,
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Question 166 of 180
166. Question
166.The relative rate of the addition in the following alkenes are,
I. (CH3)2C=C(CH3)2
II. C2H5-CH=CH2
III. CH2=CH2
IV. CH3-CH=CH-CH3
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Question 167 of 180
167. Question
167.Which sites of the given molecules is suspectable to nucleophilic attack?
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Question 168 of 180
168. Question
168.The product of the following reaction is,
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Question 169 of 180
169. Question
169.Wurtz’s reaction proceeds through,
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Question 170 of 180
170. Question
170.Which of the following compounds will produce butanone when treated with H2SO4, HgSO4 and water?
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Question 171 of 180
171. Question
171.The product ‘A’ of the given reaction is,
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Question 172 of 180
172. Question
172.The correct decreasing order of acidic strength of the given acids is,
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Question 173 of 180
173. Question
173.2-methyl-2-propanol has lower boiling point than 1-butanol because,
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Question 174 of 180
174. Question
174.The number of optically active isomers obtained when CH3-C≡C-CH2-CH3 is treated with O3 followed by LiAlH4 is,
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Question 175 of 180
175. Question
175.An organic compound (A) of molecular formula C5H10O is treated with dil. H2SO4 to give two compound (B) and (C) both of which give positive iodoform test, (A) could be,
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Question 176 of 180
176. Question
176.Which of the following is major product for the reaction of acetyl chloride with H2S?
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Question 177 of 180
177. Question
177.When 1 mole of glucose is oxidized by periodic acid, the products formed are,
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Question 178 of 180
178. Question
178.Which of the following is true about phenol?
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Question 179 of 180
179. Question
179.The product (D) in the following reaction is same as,
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Question 180 of 180
180. Question
180.Which of the following statements concerning amine oxide is not true?
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