'Upsee 2009\r'

'UPSEE †2009 Full Paper Section-1 Physics 1. If 3. 8 ? 10-6 is added to 4. 2 ? 10-5 giving due regard to signifi fagt figures, hence the result depart be : 1) 4. 58 ? 10-5 2) 4. 6 ? 10-5 3) 4. 5 ? 10-5 4) no(preno momental) of these 2. A clump is dropped from a bridge at a round realise of 176. 4 m over a river. after 2 s, a endorse b solely is impel straight slashwards. What should be the initial press forward of the foster b on the whole so that twain hit the piddle simul erythema solargoneously ? 1) 2. 45 ms-1 2) 49 ms-1 3) 14. 5 ms-1 4) 24. 5 ms-1 3. Which of the succeeding(a) be true ? 1. A system having regular step on it can exact vary central ratio. . Position era graphs for ii objects with zero relation back f number argon collimate. 3. The numerical ratio of focal ratio to speed of an object can never be more than whizz. 1) 1 that 2) 2 and 3 3) each(prenominal) 4) none of these 4. The centripetal speedup of a physical structure moving in a round of golf of r c m with a beat period of 2 s go away be 1) 98. 5 ms-2 2) 198. 5 ms-2 3) 49. 29 ms-2 4) 985. 9 ms-2 5. How m every a nonher(prenominal) NAND gates ar apply in an OR gate? 1) Four 2) Two 3) Three 4) basketball team 1/39 eng. edooni. com 6. A 5000 kg arise is set for vertical fi hoop. The exhaust speed is 800 ms-1.To outpouring an initial upward acceleration of 20 ms-2, the marrow of blow out ejected per second to supply the needed effort leave be (g = 10 ms-2) 1) 127. 5 kg s-1 2) 187. 5 kg s-1 3) 185. 5 kg s-1 4) 137. 5 kg s-1 7. Induction furnace is radixd on the hotness set of 1) electric domain of a role 2) eddy actual 3) charismatic r apiece 4) gravitational field 8. A 5. 0 ? F capacitor is precautiond to a potential difference of 800 V and knock offd done a film director. The null leapingn to the conductor during the dis maintenance is 1) 1. 6 ? 10-2 J 2) 3. 2 J 3) 1. 6 J 4) 4. 2 J 9.If the electric field is given by (5i + 4j + 9 ), the electric combine by dint of a surface of bea 20 social unit lying in the Y-Z plane provide be 1) deoxycytidine monophosphate unit 2) 80 unit 3) 180 unit 4) 20 unit 10. An alumnu uglines score (Al) rod with ara of cross-sectional 4 ? 10-6 m 2 has a electric current of 5 A flowing through it. Find the drift fastness of electron in the rod. Density of Al = 2. 7 ? 103 kgm -3 and nuclear wt. = 27 u. Assume that separately Al atom provides one electron. 1) 8. 6 ? 10-4 ms-1 2) 1. 3 ? 10-4 ms-1 3) 2. 8 ? 10-2 ms-1 4) 3. 8 ? 10-3 ms-1 11. Taking the internal impedance of the stamp battery as negligible, the steady state current in the 2? esistor in rangen in the figure lead be 2/39 eng. edooni. com 1) 1. 8 A 2) 2. 9 A 3) 0. 9 A 4) 2. 8 A 12. Which statement is true ? 1. Kirchhoffs practice of legality is r separatelyly relevant to some(prenominal) AC and DC. 2. Semiconductors have a compulsive temperature coefficient of metro. 3. Meter bridge is greater sen sitive when the electric resistance of all the 4 arms of the bridge atomic number 18 of the similar order. 4. The emf of a cell views upon the sizing and atomic number 18a of electordes. 1) 1 and 4 2) 2 and 4 3) 3 and 4 4) no(prenominal) of these 13. Six resistors, for each one of treasure 3 atomic number 18 attached as shown in the figure. A cell of emf 3 V is ? onnected crossways AB. The put upive resistance across AB and the current through the arm AB will be 1) 0. 6 ? , 1 A 2) 1. 5 ? , 2 A 3) 0. 6 ? , 2 A 4) 1. 5 ? , 1 A 3/39 eng. edooni. com 14. If t1 and t2 are the clock look atn by ii different c inuncts for producing ana enterous estrus with alike(p) supply, indeed the time taken by them to puddle the alike(p) heat when attached in parallel will be 1) t1t2/(t1 + t2) 2) t1 + t2 3) t1t2 4) (t1 + t2)/t1t2 15. In a p-n reefer diode, a square input signal of 10 V is applied as shown in figure. The take signal across RL will be 1) 2) 3) 4) 16.Neutrino waiver in ? -decay was predicted theoretically by 1) Planck 2) Heisenberg 3) Laue 4) Pauli 17. A orbit consists of ii thin lenses of focal aloofnesss 0. 3 m and 3 cm respectively. It is focused on synodic month which subtends on list of 0. 5° at the objective. Then, the weight down subtended at the eye by the final cipher will be 1) 5° 2) 0. 25° 3) 0. 5° 4) 0. 35° 18. A ray of sort out passes through an equilateral prism overmuch(prenominal) that the bur therefore of incidence is jibe to the tend of emergence and the latter is have-to doe with to (3/4) the pitch of prism. The angle of deviation is 1) 25° 2) 30° /39 3) 45° 4) 35° eng. edooni. com 1) 25° 2) 30° 3) 45° 4) 35° 19. A parallel monochrome beam of ignite is contingency formly on a narrow slit. A diffraction pattern is grad on a screen placed erect to the direction of the incident beam. At the get-go-year border flexure of the diffraction pattern, the phase differ ence betwixt the rays coming from the dickens edges of slit is 1) zero 2) ? 3) ? /2 4) 2 ? 20. A fit out of aloofness 2 m elevator gondolarying a current of 1 A is bent to frame a circle, the magnetic moment of the coil is 1) 2? Am 2 2) (1/? ) Am 2 3) ? Am 2 4) (2/? ) Am 2 21.Which of the following pieces will describe the smallest circle when projected with the same swiftness perpendicular to the magnetic field ? 1) Electron 2) Proton 3) ? -particle 4) Deuteron 22. plate shows ferromagnetic property at room temperature. If the temperature is wobble magnitude beyond curie temperature, thusly it will show 1) paramagnetism 2) diamagnetism 3) anti-ferromagnetism 4) no magnetic property 23. A surface disc of wheel spoke 100 cm is revolve at a constant angular speed of 60 rads-1 in a plane at right angles to an external field of magnetic instauration 0. 5 Wbm -2. The emf induced amongst the mall and a prognosticate on the rim will be 1) 3 V 2) 1. 5 V 3) 6 V 4) 9 V 24. Which of the following is non an illustration of Newtons third law ? 1) safety valve of a jet plane 2) A play player louring his hands while contracting a cricket ball 3) Walking on floor 4) Rebounding of a rubber ball 5/39 eng. edooni. com 25. Four blocks of same circumstances committed by cords are pulled by a force F on a eloquent crosswise surface, as shown in figure. The stresss T 1, T 2 and T 3 will be F 27. Which of the following statements is wrong ? ) KE of a laboredbox is independent of the direction of achievement 2) In an waxy collision of devil bodies, the momentum and heftiness of each bole is conserved 3) If both protons are brought towards each other, the PE of the system decreases 4) A body can non have faculty without momentum 28. A car is moving on a round thoroughfare of radius 500 m with a speed of 30 ms-1. If at some crying(a), its speed emergences at the rate of 2 ms-2, consequently at that instant the magnitude of resultant accelera tion will be 1) 4. 7 ms-2 2) 3. 8 ms-2 3) 3 ms-2 4) 2. 7 ms-2 29. A constant power P is applied to a car starting from rest.If v is the velocity of the car at time t, because 1) v 2) v 3) v 4) v t (1/t) vt 1/vt 30. The effect of rotation of the earth on the set of acceleration due to gravity is 1) g is maximum at the equator and minimal at the poles 2) g is minimum at the equator and maximum at the poles 3) g is maximum at both places 4) g is minimum at both places 31. A heat engine is a construction 6/39 eng. edooni. com 1) which converts mechanical energy into heat energy 2) which converts heat energy into mechanical energy 3) absorbs heat from a offendk at a lower temperature and rejects to the source at elevated temperature 4) None of the to a higher place 32.The ratio of the radii of gyration of a notice disc about a tangential bloc in the plane of the disc and of a aeronaut ring of the same radius about a tangential axis in the plane of the ring is 1) v3 : v5 2) v12 : v3 3) 1 : v3 4) v5 : v6 33. Two blocks of masses 6 kg and 4 kg are placed on a frictionless surface and connected by a spring. If the heavier mass is given a velocity of 14 ms-1 in the direction of lighter one, then the velocity gained by the centre of mass will be 1) 7. 4 ms-1 2) 14 ms-1 3) 8. 4 ms-1 4) 10 ms-1 34.Two identical pendulums are oscillating with amplitudes 4 cm and 8 cm. The ratio of their energies of oscillation will be 1) 1/3 2) 1/4 3) 1/9 4) 1/2 35. Fundamental oftenness of a sonometer wire is n. If the continuance and diam of the wire are cardinal-fold keeping the tension same, then the new perfect frequency is 1) 2n/v2 2) n/2v2 3) v2n 4) n/4 36. Which of the following p-V diagrams surmount represents an isothermal process ? 1) 7/39 eng. edooni. com 2) 3) 4) 37. A body floats in a liquified contained in a beaker.If the whole system falls under gravity, then the upthrust on the body due to luculent is 1) twin to the weight of the body in telephone line 2) be to the weight of the body in liquid 3) zero 4) tinct to the weight of the immersed part of the body 38. A car sounding its horn at 480 Hz moves towards a high wall at a speed of 20 ms-1. If the speed of sound is 340 ms-1, the frequency of the reflected sound heard by the girlfriend sitting in the car will be c fall behindst to 1) 540 Hz 2) 524 Hz 3) 568 Hz 4) 480 Hz 39. A block A of mass 100 kg rests on another(prenominal) block B of mass 200 kg and is tied to a wall as shown in the figure.The coefficient of friction amidst A and B is 0. 2 and that between B and the ground is 0. 3. The minimum force F indispensable to move the block B is (g = 10 ms-2) 8/39 eng. edooni. com 1) 900 N 2) 200 N 3) 1100 N 4) 700 N 40. A body takes n times as much time to slide down a 45° rough incline as it takes to slide down a smooth 45° incline. The coefficient of friction is 1) 1 †(1/n2) 2) 1/(1 †n2) 3) v(1 †(1/n2)) 4) 1/v(1 †n2) 41. A force of (5 + 3x) N acting o n a body of mass 20 kg along the x-axis displaces it from x = 2 m to x = 6 m. The work done by the force is 1) 20 J 2) 48 J 3) 68 J 4) 86 J 42.A endocarp of mass m is dropped to the ground from a summit h. A second rock with mass 2 m is dropped from the same height. When second rock strikes the ground, what is its kinetic energy ? 1) double that of the first rock 2) Four times that of the first rock 3) The same as that of the first rock 4) Half that of the first rock 43. The escape velocity from the earth is 11 kms-1. The escape velocity from a planet having twice the radius and same computetain density as that of earth is 1) 5. 5 kms-1 2) 11 kms-1 3) 22 kms-1 4) None of these 44. If one mol of a monoatomic boast (? (5/3)) is mixed with one mole of a diatomic gas ( = ? 9/39 eng. edooni. com 44. If one mole of a monoatomic gas (? = (5/3)) is mixed with one mole of a diatomic gas ( = ? (7/5)), the evaluate of ? for the mixture is 1) 1. 40 2) 1. 50 3) 1. 53 4) 3. 07 45. Two rods of the same length and diameter having thermal conductivities K1 and K2 are joined in parallel. The similar thermal conductivity of the crew is 1) K1K2/(K1 + K2) 2) K1 + K2 3) (K1 + K2)/2 4) vK1K2 46. A body initially at 80°C cools to 64°C in 5 min and to 52°C in 10 min. The temperature of the surround is 1) 26°C 2) 16°C 3) 36°C 4) 40°C 47.A cylindrical provide open at both ends, has a fundamental frequency f in air. The tube is douse vertically in urine so that half(a) of it is in water. The fundamental frequency of air newspaper column is now 1) f/2 2) f 3) 3f/4 4) 2f 48. Two plane mirrors are inclined at an angle ?. It is found that a ray incident on one mirror at any angle is rendered parallel to itself after reflection from both the mirrors. The revalue of ? is 1) 30° 2) 60° 3) 90° 4) great hundred° 49. When a ray of light enters a render slab from air 1) its wavelength decreases 2) its wavelength subjoins 3) its frequency affixs 4) neither its wavelength nor its frequency changes 50.Critical angle of light pas infractningg from glass to water is minimum for 1) red color in 2) green colour 10/39 eng. edooni. com 3) yellow colour 4) violet colour 51. A ray of light falls on a transparent glass slab of refractive great power 1. 62. If the reflected ray and the refracted ray are mutually perpendicular, the angle of incidence is 1) tan-1(1. 62) 2) tan-1(1/1. 62) 3) tan-1(1. 33) 4) tan-1(1/1. 33) 52. An object A has a dash of ? C and the object B has a rout out of ? C. 6 Which + 2 + statements is true ? 1) F AB = -3F BA 2) F AB = -F BA 3) 3F AB = -F BA 4) F AB = 4F BA 53.The kindred weight capacitance between A and B for the crew of capacitors shown in figure, where all capacitances are in microfarad is 1) 6. 0 ? F 2) 4. 0 ? F 3) 2. 0 ? F 4) 3. 0 ? F 54. Two charged particles are projected into a region in which a magnetic field is perpendicular to their velocities. After they enter the magnetic field, you c an conclude that 1) the charges are deflected in opposite directions 2) the charges continue to move in a straight line 3) the charges move in circular paths 4) the charges move in circular paths scarcely in opposite directions 11/39 eng. edooni. com 55.A solenoid consists of 100 turns of wire and has a length of 10. 0 cm. The magnetic field inside the solenoid when it carries a current of 0. 500 A will be 1) 6. 28 ? 10-4 T 2) 6. 28 ? 10-5 T 3) 3. 14 ? 10-4 T 4) None of these 56. An AC voltage source has an output of ? V = (200 V) sin 2? ft. This source is connected to a 100 ? resistor. RMS current in the resistance is 1) 1. 41 A 2) 2. 41 A 3) 3. 41 A 4) 0. 71 A 57. A generator at a utility company produces 100 A of current at 4000 V. The voltage is stepped up to 240000 V by a transformer forwards it is sent on a high voltage transmission line.The current in transmission line is 1) 3. 67 A 2) 2. 67 A 3) 1. 67 A 4) 2. 40 A 58. The energy of a photon of wavelength ? is 1) hc? 2) hc/ ? 3) ? /hc 4) h? /c 59. In the Bohr model of the hydrogen atom, the lowest orbit corresponds to 1) innumerable energy 2) maximum energy 3) minimum energy 4) zero energy 60. Consider ? -particles, ? -particles and? -rays, each having an energy of 0. 5 MeV. In increasing order of get into powers, the radiations are 1) ? , ? , ? 2) ? , ? , ? 3) ? , ? , ? 4) ? , ? , ? 12/39 eng. edooni. com 61. The figure shows the attribute of a 1) AND gate 2) OR gate 3) NOT gate 4) NAND gate 62.In ? + decay process, the following changes take place inside the nucleus 1) 2) 3) 4) 63. In a transistor the base is 1) an insulator 2) a conductor of low resistance 3) a conductor of high resistance 4) an extrinsic semiconductor 64. A particle moves along a straight line such that its position x at any time t is x = 6t2 †t3. Where x is in megabyte and t is in second, then 1) at t = 0 acceleration is 12 ms-2 2) x †t curve has maximum at 4 s 3) some(prenominal) (1) and (2) are wrong 4) Both (1) a nd (2) are correct 65. A particle is subjected simultaneously to two SHMs, one along the x-axis and the other along the y-axis.The two vibrations are in phase and have uneven amplitudes. The particle will execute 1) straight line motion 2) circular motion 3) elliptic motion 4) parabolic motion 66. X-rays are diffracted from a crystallization of lattice plane spacing 2A. The maximum wavelength that can be diffracted is 13/39 eng. edooni. com 1) 1 A 2) 2 A 3) 2. 5 A 4) 4 A 67. If ? and ? are the collector emitter short rope current amplification instrument and collector base short circuit current amplification factor respectively of a transistor, then ? is equal to 1) (1 + ? )/? 2) ? /(1 †? ) 3) (1 †? )/? 4) ? (1 + ? ) 68. The resistance of a straight conductor does not depend on its 1) length 2) temperature 3) material 4) shape of cross-section 69. In a given network, each resistance has value of 6?. The daub X is connected to vertex A by a horseshit wire of negligib le resistance and full point Y is connected to point B by the same wire. The effective resistance between X and Y will be 1) 18 ? 2) 6 ? 3) 3 ? 4) 2 ? 70. A length of wire carries a steady current. It is bent first to form a circular coil of one turn. The same length is now bent more sharply to give a double loop of smaller radius.The magnetic field at the centre caused by the same current is 1) double of its first value 2) tie of its first value 3) four times of its first value 4) same as the first value 71. The work done in carrying a charge q once around a circle of radius r with a charge Q placed at the centre will be 1) Qq/(4? ? 0r2) 2) Qq/(4? ? 0r) 3) zero 14/39 eng. edooni. com 4) Qq2/(4? ? 0r) 72. Two wires of same material and radius have their lengths in ratio 1 : 2. If these wires are stretched by the same force, the strain produced in the two wires will be in the ratio 1) 2 : 1 2) 1 : 1 3) 1 : 2 4) 1 : 4 73.A student has measured the length of a wire equal to 0. 04580 m. This value of length has the number of significant figures equal to 1) five 2) four 3) six 4) None of these 74. The volume of an ideal diatomic gas is doubled isothermally. The internal energy 1) is doubled 2) is halved 3) is increases four times 4) is remains unchanged 75. A small power station supplies electricity to 5000 lamps connected in parallel. Each lamp has a resistance of 220 and is operated at 220 V. The total current supplied by the ? station is 1) 2500 A 2) 3500 A 3) 5000 A 4) thousand0 A Section-2 chemical science 76.Which of the following sets of quantum poem is correct ? 1) n = 5, l = 4, m = 0, s = +(1/2) 2) n = 3, l = 3, m = +3, s = +(1/2) 3) n = 6, l = 0, m = +1, s = -(1/2) 4) n = 4, l = 2, m = +2, s = 0 77. Which of the following is not a colligative property ? 1) optic activity 2) Osmotic pressure 3) Depression of freezing point 15/39 eng. edooni. com 4) Elevation of turn point 78. Which of the following when dissolved in water forms a solution, ie, non -conducting ? 1) Chile salt petre 2) Potash alum 3) Green vitriol 4) Ethyl alcohol 79.The best way to prevent rusting of iron is 1) devising it cathode 2) putting in saline water 3) Both (1) and (2) 4) None of the higher up 80. In NaCl crystal each Cl- ion is surrounded by 1) 4 Na+ ions 2) 6 Na+ ions 3) 1 Na+ ion 4) 2 Na+ ions 81. Stainless steel has iron and 1) Cr 2) Cu 3) Co 4) Zn 82. Naphthalene can be good purified by 1) sublimation 2) crystallisation 3) distillation 4) vaporisation 83. When alkyne is passed through dil H2SO4 in mien of HgSO4, the increase create is 1) ethyl ether 2) acetaldehyde 3) acetic dit 4) ketone 84.Cross aldehyde-alcohol compressing occurs between 1) two same aldehydes 2) two same ketones 3) two different aldehydes and ketones 4) None of the above 16/39 eng. edooni. com 85. Which is more powerful to turn the negative colloid ? 1) ZnSO4 2) Na3PO4 3) AlCl3 4) K4[Fe(CN)6] 86. Cannizaro reaction is performed by 1) methanal 2) formaldehyde and acetaldehyde 3) benzaldehyde 4) formaldehyde and benzaldehyde 87. The monosaccharides having anomeric carbon atom are 1) geometrical isomers 2) ? -and ? -optical isomers 3) having regularal carbon atoms 4) None of the above 88. Diacidic base is 1) CH2(OH)2 2) Ca(OH)2 3) CH3CH(OH)2 4) All of these 89.Which of the following behaves as Lewis acid and not as Bronsted acid ? 1) HCl 2) H2SO4 3) HSO-3 4) SO3 90. Thermite process is used in reduction of 1) Cr2O3 2) Al2O3 3) PbO2 4) CuO 91. Example of geometrical isomerism is 1) 2-butanol 2) 2-butene 17/39 eng. edooni. com 3) butanal 4) 2-butyne 92. Mustard gas is a 1) oil gas 2) poisonous gas 3) fuel gas 4) life gas 93. The pair of elements having approximately equal ionisation potential is 1) Al, Ga 2) Al, Si 3) Al, Mg 4) Al, B 94. Bakelite is a 1) natural polymer 2) sum total polymer 3) condensation polymer 4) homopolymer 95.Name of method use to separate primary, secondary and 3rd amines is 1) Hofmann method 2) Lucas method 3) Victo r Meyer method 4) Kolbe method 96. Main harvest-time obtained from the reaction of ammonia and formaldehyde is 1) formic acid 2) methyl groupamine 3) methanol 4) urotropine 97. TEL is a escalate used as 1) antibiotic 2) antiseptic 3) antiknocking 4) antioxidant 98. water system is well known amphoprotic solvent. In which chemical reaction water is behaving as base ? 18/39 eng. edooni. com 1) 2) 3) 4) 99. Which of the following is not a physical chemical equilibrium ? ) Ice 2) I2(s) 3) S(l) 4) 3O2 Water I2(g) S(g) 2O3 100. The polymer which is used in not-sticky kitchenware is 1) premature ventricular contraction 2) teflon 3) rayon 4) isoprene 101. The chemical which is used for plastering the scummy bones is 1) (CaSO4)2 pee 2) MgSO4 . 7H2O 3) FeSO4 . 7H2O 4) CuSO4 . 5H2O 102. Dry ice is 1) solid H2O 2) solid CO2 3) solid N2O4 4) solid NH3 103. light of AgCl is soluble in liquid NH3, the rise forms 1) Ag(NH4)2OH 2) Ag(NH4)2Cl 3) Ag(NH3)2OH 4) Ag(NH3)2Cl 104. In qualitative ana lysis, in III group NH4Cl is added before NH4OH because 1) to increase the concentration of NH+4 ions 9/39 eng. edooni. com 2) to increase the concentration of Cl- ions 3) to reduce the concentration of OH- ions 4) to increase the concentration of OH- ions 105. Solution of sodium thiosulphate in picture taking works as 1) to shine film 2) to convey film 3) to dissolve silver bromide 4) to change negative into positive 106. Phenol on intercession with diethyl sulphate in presence of NaOH gives 1) phenetole 2) anisole 3) diphenyl ether 4) diethyl ether 107. 2. 5 L of NaCl solution contain 5 moles of the solute. What is the molarity ? 1) 5 M 2) 2 M 3) 2. 5 M 4) 12. 5 M 108.The just about abundant element in the universe is belief to be 1) carbon 2) oxygen 3) hydrogen 4) newton 109. Electromeric effect is 1) permanent effect 2) temporary effect 3) resonance effect 4) inductive effect 110. The mensural bond order in O-2 ion is 1) 1 2) 1. 5 3) 2 4) 2. 5 111. The entropy of a perfe ctly crystalline material is zero at 0? C. This is statement of 1) first law of thermodynamics 2) second law of thermodynamics 3) third law of thermodynamics 20/39 eng. edooni. com 4) law of conservation of energy 112. In acidic medium, the equivalent weight of K2Cr2O7 (Mol. wt. = M) is 1) M 2) M/2 3) M/3 4) M/6 113.When a coat atom combines with a non-metal atom, the non-metal atom will 1) lose electrons and decrease in size of it 2) lose electrons and increase in size 3) gain electrons and decrease in size 4) gain electrons and increase in size 114. What is the total number of moles of H2SO4 needed to prepare 5. 0 L of a 2. 0 M solution of H2SO4 ? 1) 2. 5 2) 5. 0 3) 10 4) 20 115. Which combination of atoms can form a polar covalent bond ? 1) H and H 2) H and Br 3) N and N 4) Na and Br 116. How many a(prenominal) joules of heat are absorbed when 70. 0 g of water is completely vaporised at its boiling point ? 1) 23,352 2) 7,000 3) 15,813 4) 158,130 117.Which quantities are conser ved in all oxidation reduction reactions ? 1) Charge only 2) Mass only 3) Both charge and mass 4) Neither charge nor mass 118. Which of the following compounds would have the highest boiling point ? 1) CH3CH2CH2CH3 2) CH3NH2 3) CH3OH 4) CH2F 2 119. In any chemical reaction, a quantity that decrease to a minimum is 21/39 eng. edooni. com 1) free energy 2) entropy 3) temperature 4) atomic number 1 120. Which of the following is the weakest acid ? 1) HCl 2) HF 3) H2SO4 4) HNO3 121. Which of the following contains superlative number of oxygen atoms ? 1) 1 g of O 2) 1 g of O2 3) 1 g of O3 4) All have the same number of atoms 122.The pH of 10-8 M NaOH aqueous solution at 25? C, is 1) 7. 02 2) 7. 0 3) 6. 89 4) 6. 0 123. Decrease in atomic number is not observed during 1) ? - liberation 2) ?- rise 3) positron emission 4) electron capture 124. The yielding action of an acidic buffer is maximum when its pH is equal to 1) 5 2) 7 3) 1 4) pKa 125. Which of the following will increase with the increase in temperature ? 1) surface tension 2) Vis romaineity 3) molality 4) Vapour pressure 126. Which of the following will have larger dipole moment ? 22/39 eng. edooni. com 1) 2) 3) 4) 127. Which of the following would react most readily with nucleophiles ? ) 2) 3) 4) 23/39 eng. edooni. com 128. Hydride ion transfer takes place in 1) Frankland method 2) Wurtz reaction 3) Cannizaros reaction 4) Wolff-Kishner reduction 129. An organic compound C3H6O neither gives precipitate with semicarbazide nor reacts with sodium. It could be 1) CH3CH2CHO 2) CH3COCH3 3) CH2 = CHCH2OH 4) CH2 = CHOCH3 130. Which of the following is an organometallic compound ? 1) Lithium methoxide 2) Lithium acetate 3) Lithium dimethylamine 4) methyl group lithium 131. The quality of diesel is expressed by 1) octane number 2) cetane number 3) antiknock compound 4) presence of additives 132.Ketone upon treatment with Grignard reagent gives 1) primary alcohol 2) secondary alcohol 3) tertiary alcohol 4) aldehyde 133. Racemic compound has 1) equimolar mixture of enantiomers 2) 1 : 1 mixture of enantiomer and diastereomer 3) 1 : 1 mixture of diastereomers 4) 1 : 2 mixture of enantiomers 134. Geometry of methyl free essential is 1) pyramidal 2) planar 24/39 eng. edooni. com 3) tetrahedral 4) linear cxxxv. The reaction of sodium ethoxide with iodoethane to form diethyl ether is termed as 1) electrophilic substitution 2) nucleophilic substitution 3) electrophilic addition 4) radical substitution 136.In which of the following ways does the hydride ion tend to function ? 1) An electrophile 2) A nucleophile 3) A free radical 4) An acid 137. The following compound differ in 1) configuration 2) conformation 3) structure 4) chirality 138. The correct establish for the following hydrocarbon is 1) tricyclo [4. 1. 0] heptane 2) bicyclo [5. 2. 1] heptane 3) bicyclo [4. 1. 0] heptane 4) bicyclo [4. 1. 0] hexane 139. Which of the following compounds would be the main product of an aldol condensation of a cetaldehyde and acetone ? 1) CH3CH = CH . CHO 2) CH3CH = CHCOCH3 3) (CH3)2C = CH . CHO 4) (CH3)2C = CHCOCH3 140.Which one of the following compounds will not react with CH3MgBr ? 25/39 eng. edooni. com 1) Ethyl acetate 2) Acetone 3) Dimethyl ether 4) Ethanol 141. The number of isomeric alkanes having the molecular jurisprudence C5H12 is 1) three 2) five 3) nine 4) thirty two 142. Which organic compound is an electrolyte ? 1) CH3Cl 2) HCOOH 3) CH3OH 4) C6H12O6 143. The electron configuration of the oxide ion is much most similar to the electron configuration of the 1) sulphide ion 2) nitride ion 3) oxygen atom 4) nitrogen atom 144. Which significance has the greatest ionic character ? 1) Cl2O 2) NCl3 3) PbCl2 4) BaCl2 145.The lattice points of a crystal of hydrogen iodide are occupied by 1) HI molecules 2) H atoms and I atoms 3) H+ cations and I- anions 4) H2 molecules and I2 molecules 146. drying up of alcohol usually goes by 1) E1 weapon 2) E2 mechanism 3) E1 cb mechanism 26/39 eng. edooni. com 4) SN 2 mechanism 147. Which one of the following is a copolymer ? 1) Saran 2) Orlon 3) premature ventricular contraction 4) Teflon 148. Formation of coloured ions by transit metals signifies; 1) absorption of light from UV range 2) emission of light 3) presence of unpaired electrons in s and p orbitals 4) complimentary colours to the absorbed light 149.Transition metal ions show colour because 1) they absorb light 2) they emit light 3) they are paramagnetic 4) they peril d-d transition 150. Which one of the following compounds will not undergo aldol condensation ? 1) Acetaldehyde 2) methanal 3) Propionaldehyde 4) Acetone Section-3 Mathematics 151. The length of the normal to the curve x = a(? + sin ? ), y = a(1 †cos ? ) at ? = (? /2) is 1) 2 a 2) a/2 3) a/v2 4) v2 a 152. The maximum value of ((log x)/x) is 1) e 153. In the interval 2) 2 e , = 0 is the number 3) 1/e of real solutions 4) 2/e of the pars 27/39 eng. edooni. com 1) 0 154. If 1) 1 2) -1 3) 0 4) None of these 2) 2 ) 1 4) 3 is continuous at x = 0, then the value of k will be 155. The sum of all odd numbers between 1 and 1000 which are divisible by 3 is 1) 83667 2) 90000 3) 83660 4) None of these 156. In a college 25% boys and 10% girls crack cocaine Mathematics. There are 60% girls in the college. If a Mathematics student is chosen at random, then the fortune that the student is a girl, will be 1) 1/6 2) 3/8 3) 5/8 4) 5/6 157. Differential equation of those circles which passes through origin and their centres lie on y-axis will be 1) (x2 †y2) (dy/dx) + 2xy = 0 2) (x2 †y2) (dy/dx) = 2xy 3) (x2 †y2) (dy/dx) = xy 4) (x2 †y2) (dy/dx) + xy = 0 158.If tan ? = k cot ? , then 1) (1 + k)/(1 †k) 2) (1 †k)/(1 + k) 3) (k + 1)/(k †1) 4) (k †1)/(k + 1) is equal to 159. If cot (cos-1 x) = sec 1) 2) , then x is equal to 28/39 eng. edooni. com 3) 4) 160. If blank between directrices of a rectangular hyperbola is 10, then distance between its foci will be 1) 10v2 161. 2) 5 3) 5v2 4) 20 Number of solution of the equation is 1) 1 2) 2 3) 3 4) 4 162. dx is equal to 1) 3? /16 2) 3? 2/16 3) 16? /3 4) 16? 2/3 163. 1) 2) dx is equal to 3) 4) 164. If f (x) = sin2 x + sin2 to 1) 1 2) -1 + cos x cos and g 1, then gof (x) is equal 3) 2 4) -2 + is collinear to 165. , , are three non-zero vectors; no two of them are parallel. If and + is collinear to , then + + is equal to 1) 2) 29/39 eng. edooni. com 3) 4) 166. In tossing of a coin (m + n) (m > n) times, the luck of coming consecutive heads at to the lowest degree m times is 1) 2) 3) 4) 167. If f (x) = 1) 1 , then 2) 48 3) -48 is equal to 4) -1 †| = 2v2 and the 168. Let = 2i + j †2 and = i + j. If is a vector such that . = | |, | angle between ? and is 30? , then |( ? ) ? | is equal to 1) 2/3 2) 3/2 3) 2 4) 3 169.The value of 1) 1 sq unit 2) 2 sq unit 3) 3 sq unit 4) 5 sq unit dx is 170. The derivative instrument equation of all circles touching the axis of y at origin an d centre on the xaxis is given by 1) xy (dy/dx) †x2 + y2 = 0 2) 2xy (dy/dx) †x2 †y2 = 0 3) (x2 + y2) (dy/dx) †2xy = 0 4) None of the above 171. The solution of the differential equation 1) ye2vx = 2v(x) + c 2) ye-2vx = v(x) + c is given by 30/39 eng. edooni. com 3) y = vx 4) y = 3vx 172. The solution of the equation 1) sin-1 y †sin-1 x = c 2) sin-1 y + sin-1 x = c 3) sin-1 (xy) = 2 4) None of the above 173.If 1) p < 0 2) 0 < p < 1 3) p = 1 4) p > 1 174. If a real valued function f of a real variable x is such that is differentiable at x = 0, then is , then f(x) is equal to 1) (1 †x)/2 2) (x2 + 1)/2 3) 1 †x 4) None of these 175. If the vectors i †2j + 3 , -2i + 3j †4 , ? i †j + 2 are linearly dependent, then the value of ? is equal to 1) 0 176. If 2) 1 3) 2 i] i + 2[ 4) 3 j] j + 2[ ] +[ and are two non-zero non-collinear vectors, then 2[ ] is equal to ? + 1) 2( ? ) 2) 3) 4) None of these 177. If ( ? )2 + ( 1) 13 . )2 = 676 and | | = 2, then | | is equal to 1/39 eng. edooni. com 2) 26 3) 39 4) None of these 178. If a, b, c are in GP, then the equation ax2 + 2bx + c = 0 and dx2 + 2ex + f = 0 have a common ancestry, if d/a, e/b, f/c are in 1) AP 2) HP 3) GP 4) None of these 179. If x = v7 †v5 and y = v13 †v11, then 1) x > y 2) x < y 3) x = y 4) None of these 180. If one root of equation x2 + ax + 12 = 0 is 4 while the equation x2 + ax + b = 0 has equal root, then the value of b is 1) 4/49 2) 49/4 3) 7/4 4) 4/7 181. One of the square roots of 6 + 4v3 is 1) v3(v(3) + 1) 2) -v3(v(3) †1) 3) v3(-v(3) + 1) 4) None of these 182.If cos 20? †sin 20? = p, then cos 40? is equal to 1) p2v(2 †p2) 2) pv(2 †p2) 3) p + v(2 †p2) 4) p †v(2 †p2) 183. If tan x = (b/a), then the value of a cos 2x + b sin 2x is 1) 1 2) ab 3) b 4) a 184. If Sn = cosn ? + sinn ? , then the value of 3S4 †2S6 is given by 1) 4 2) 0 3) 1 4) 7 32/39 eng. edooni. com 185. The distance between the parallel lines 9×2 †6xy + y2 + 18x †6y + 8 = 0 is 1) 2/v10 2) 1/v10 3) 4/v10 4) None of these 186. The lines 2x †3y = 5 and 3x †4y = 7 are diameters of a circle of area 154 sq unit.Then, the equation of the circle is 1) x2 + y2 + 2x †2y = 51 2) x2 + y2 †2x †2y = 49 3) x2 + y2 + 2x + 2y = 47 4) x2 + y2 †2x + 2y = 47 187. The dice are thrown n times in succession. The probability of obtaining a double six at least once is 1) (1/36)n 2) 1 †(35/36)n 3) (1/12)n 4) None of these 188. A and B toss a coin alternately on the understanding that the first to obtain heads wins the toss. The probability that A wins the toss 1) 1/3 2) 2/3 3) 1/4 4) 3/4 189. In an assemble of 4 persons the probability that at least 2 of them have the same birthday, is 1) 0. 293 2) 0. 4 3) 0. 0001 4) 0. 016 190. A particle is thrown with the velocity v with the angle ? from the plane plane and its range on the horizontal plane is twice to the maximum height gai ned. Then, tan ? is equal to 1) 9 191. If 1) -1 = 0 and x, y, z are all distinct, then xyz is equal to 2) 1 3) 0 4) 3 2) 5 3) 2 4) 1 33/39 eng. edooni. com 1) -1 192. If 1) 100 A 2) 299 A 3) 2100 A 4) 99 A 2) 1 , then A100 is equal to 3) 0 4) 3 193. If sum of n cost of two APs are in the ration 2n + 3 : 6n + 5, then the ration of their 13th term is 1) 29/83 2) 27/77 3) 31/89 4) 53/155 194.Let a relation R be defined on set of all real numbers by a R b if and only if 1 + ab ; 0. Then, R is 1) reflexive, transitive but not symmetric 2) reflexive, symmetric but not transitive 3) symmetric, transitive but not reflexive 4) an equivalence relation 195. If 1) (1, 2, 3) 2) (2, 1, 3) 3) (3, 1, 2) 4) (3, 2, 1) , then (x, y, z) is equal to 196. If positive numbers a, b, c are in HP and c ; a, then log (a + c) + log (a †2b + c) is equal to 1) 2 log (c †b) 2) 2 log (a + c) 3) 2 log (c †a) 4) 2 log (a †c) 197. The dice are thrown together.Then the probability that the sum of numbers appearing on them is a premier(a) number, is 1) 5/12 2) 7/18 3) 13/36 4) 11/36 34/39 eng. edooni. com 198. In a triangle ABC, AB = 1, AC = 2 and 1) 75? 2) 90? 3) 120? 4) 135? A = 60? , its largest angle is equal to 199. From the top of a cliff 50 m high, the angles of economic crisis of the top and bottom of a tower are observed to be 30? and 45?. The height of tower is 1) 50 m 2) 50v3 m 3) 50(v(3) †1) m 4) 50(1 †(v(3)/3)) m 200. The points 0, 2 + 3i, i, -2 †2i in the argand plane are the vertices of a 1) rectangle 2) rhombus 3) trapezium 4) parallelogram 201.One of the values of 1) v3 + i 2) -i 3) i 4) -v3 + i is 202. The value of tan-1 (1/2) + tan-1 (1/3) + tan-1 (7/8) is 1) tan-1 (7/8) 2) cot-1 15 3) tan-1 15 4) tan-1 (25/24) 203. The locus of points of intersection perpendicular tangents to a parabola is a 1) straight line 2) circle 3) parabola 4) hyperbola 204. The middle point of the chord x + 3y = 2 of the conic x2 + xy †y2 = 1 is 35/39 eng. edoo ni. com 1) (5, -1) 2) (1, 1) 3) (2, 0) 4) (-1, 1) 205. If tangents at extremities of a focal chord AB of the parabola y2 = 4ax intersect at a point C, then ACB is equal to 1) ? /4 2) ? /3 3) ? 2 4) ? /6 206. The smallest circle with centre on y-axis and passing through the point (7, 3) has radius 1) v58 2) 7 3) 3 4) 4 207. The pair of lines joining origin to the points of intersection of the two curves ax2 + 2hxy + by2 + 2gx = 0 and a x2 + 2h xy + b y2 + 2g x = 0 will be at right angles, if 1) (a + b)g = (a + b)g 2) (a + b)g = (a + b)g 3) h2 †ab = h2 †ab 4) a + b + h2 = a + b + h2 208. If sum of two numbers is 6, the minimum value of the sum of their reciprocals is 1) 6/5 209. 2) 3/4 3) 2/3 4) 1/2 If b ; a, then 1) ? /2 2) ? 3) ? /2 (b †a) 4) ? /4 (b †a) s equal to 210. The solution of differential equation (1 + x)y dx + (1 †y)x dy = 0 is 1) loge (xy) + x †y = c 2) loge (x/y) + x + y = c 3) loge (x/y) †x + y = c 4) loge (xy) †x + y = c 211. Th e value of 1) e-1 2) e-1/2 (cos x)cot2 x is 36/39 eng. edooni. com 3) 1 4) not existing 212. The normal to the curve x = a(cos + ? sin ? ), y = a(sin ? †? cos ? ) at any point ? is ? such that 1) it makes a constant angle with x-axis 2) it passes through origin 3) it is at a constant distance from origin 4) None of the above 213. If sin y = x sin (a + y), then (dy/dx) is equal to 1) 2) 3) 4) 14. dx is equal to 1) 2) 3) 4) 215. The function f (x) = log (1 + x) 1) (-1, ? ) 2) (-? , 0) 3) (-? , ? ) 4) None of these is increasing on 216. If is any vector, then i ? ( ? i) + j ? ( ? j) + ? ( ? ) is equal to 37/39 eng. edooni. com 1) 2) 2 3) 3 4) 217. The product of two times of flight from a point P to another point Q with a given velocity of projection is 1) PQ/g 2) 2PQ/g 3) PQ/2g 4) 3PQ/g 218. A stone of mass m is thrown vertically upwards with a velocity of 9. 8 ms-1. The height of the point where KE = PE is (g = 9. 8 ms-2) 1) 9. 8 m 2) 4. 9 m 3) 2. 5 m 4) 2 m 219. Three sides of a square are formed by deflection a rod of length 36 cm. The distance of its CG from an open end is 1) 12 cm 2) 6v2 cm 3) 8v2 cm 4) 10 cm 220. If the resultant of two forces of magnitude P and Pv3 acting on a particle is of magnitude P, then the angle between them is 1) 60? 2) 120? 3) 90? 4) 150? 221. A particle is dropped from a height 12 g metre and 4 s after another particle is projected from the ground towards it with a velocity 4 g ms-1. The time after which the second particle meets first is 1) 4 s 2) 2 s 3) (1/2) s 4) 1 s 222.A unvaried ladder rests in limiting equilibrium with its lower end on a rough horizontal plane with coefficient of friction? and its upper end against a smooth vertical wall. ? is the If 38/39 eng. edooni. com disposal of the ladder with the wall, then ? is equal to 1) tan-1 ? 2) cot-1 ? 3) cot-1 (2? ) 4) tan-1 (2? ) 223. If 1) 3/2 is a purely imaginary number, then 2) 1 3) 2/3 is equal to 4) 4/9 224. An orthogonal matrix is 1) 2) 3) 4) 225. If y = 3x + 6×2 + 10×3 + …. , then the value of x in terms of y is 1) 1 †(1 †y)-1/3 2) 1 †(1 + y)1/3 3) 1 + (1 + y)-1/3 4) 1 †(1 + y)-1/3 39/39 eng. edooni. comAnswer Key 1) 2 11) 3 21) 1 31) 2 41) 3 51) 1 61) 4 71) 3 81) 1 91) 2 101) 1 111) 3 121) 4 131) 2 141) 1 151) 4 161) 2 171) 2 181) 4 191) 1 201) 3 211) 2 221) 3 2) 4 12) 1 22) 1 32) 4 42) 1 52) 2 62) 1 72) 3 82) 1 92) 2 102) 2 112) 4 122) 1 132) 3 142) 2 152) 3 162) 2 172) 1 182) 2 192) 2 202) 3 212) 3 222) 4 3) 3 13) 4 23) 2 33) 3 43) 3 53) 1 63) 2 73) 1 83) 2 93) 1 103) 4 113) 4 123) 2 133) 1 143) 2 153) 3 163) 2 173) 4 183) 4 193) 4 203) 1 213) 2 223) 2 4) 1 14) 1 24) 2 34) 2 44) 2 54) 3 64) 4 74) 4 84) 3 94) 3 104) 3 114) 3 124) 4 134) 2 144) 4 154) 3 164) 1 174) 1 184) 3 194) 2 204) 4 214) 3 224) 2 5) 3 15) 2 25) 3 35) 4 45) 3 55) 1 65) 1 75) 3 85) 3 95) 1 105) 3 115) 2 125) 4 135) 2 145) 1 155) 1 165) 4 175) 1 185) 1 195) 1 205) 3 215) 1 225) 4 6) 2 16) 4 26) 1 36) 3 46) 2 56) 1 66) 4 76) 1 86) 4 96) 4 106) 1 116) 4 126) 4 136) 2 146) 1 156) 2 166) 1 176) 1 186) 4 196) 3 206) 2 216) 2 7) 2 17) 1 27) 4 37) 1 47) 2 57) 3 67) 4 77) 1 87) 2 97) 3 107) 2 117) 3 127) 3 137) 3 147) 1 157) 2 167) 2 177) 1 187) 2 197) 1 207) 2 217) 2 8) 3 18) 2 28) 4 38) 1 48) 3 58) 2 68) 4 78) 4 88) 2 98) 1 108) 3 118) 3 128) 3 138) 3 148) 4 158) 1 168) 2 178) 1 188) 2 198) 2 208) 3 218) 3 9) 1 19) 4 29) 3 39) 3 49) 1 59) 3 69) 4 79) 1 89) 4 99) 4 109) 2 119) 1 129) 4 139) 2 149) 4 159) 1 169) 3 179) 1 189) 4 199) 4 209) 2 219) 3 10) 2 20) 2 30) 1 40) 1 50) 4 60) 1 70) 1 80) 2 90) 1 100) 2 110) 2 120) 2 130) 4 140) 3 150) 2 160) 4 170) 4 180) 2 190) 3 200) 4 210) 1 220) 4 1/1 eng. edooni. com\r\n'