Solved papers for J & K CET Medical J & K - CET Medical Solved Paper-2014

done J & K - CET Medical Solved Paper-2014

  • question_answer1) A solenoid of length 0.6 m has a radius of 1 cm and is made up of 600 turns. It carries a current of 6 A. What is the magnitude of the magnetic field inside the solenoid?

    A) \[7.54\times {{10}^{-3}}T\]

    B) \[10.84\times {{10}^{-3}}T\]

    C) \[4.87\times {{10}^{-3}}T\]

    D) \[2.36\times {{10}^{-2}}T\]

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  • question_answer2) The bus moving with a speed of 42 km/h is brought to a stop by brakes after 6m. If the same bus is moving at a speed of 90 km/h, then the minimum stopping distance is

    A) 15.48 m

    B) 18.64 m

    C) 22.13 m

    D) 27.55 m

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  • question_answer3) A 15pF capacitor is connected to a 60 V battery. How much electrostatic energy is stored?

    A) \[2.77\times {{10}^{-8}}J\]

    B) \[1.77\times {{10}^{-8}}J\]

    C) \[2.35\times {{10}^{-8}}J\]

    D) \[1.35\times {{10}^{-8}}J\]

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  • question_answer4) In a video signal for transmission of picture, what value of bandwidth is used in communication system?

    A) 2.4 MHz

    B) 4.2 MHz

    C) 24 MHz

    D) 42 MHz

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  • question_answer5) A straight wire of mass 300 g and length 2.5m carries a current of 3.5 A. It is suspended in mid-air by a uniform horizontal magnetic field B. What is the magnitude of the magnetic field?

    A) 0.654 T

    B) 0.336 T

    C) 1.576 T

    D) 0.939 T

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  • question_answer6) When longitudinal wave propagate, what happens in the region of compressions and rarefactions?

    A) Density varies

    B) Density remains constant

    C) There is heat transfers

    D) Boyles law is obeyed

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  • question_answer7) If the temperature of the body is increased by 10%, the percentage increase in the emitted indication will be

    A) 46%

    B) 40%

    C) 30%

    D) 80%

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  • question_answer8) A galaxy is moving away from an observe on the earth so that sodium light of wavelength \[5892\overset{o}{\mathop{A}}\,\]is observed at 5896A. The speed of galaxy is

    A) 306km/s

    B) 204 km/s

    C) 185 km/s

    D) 158 km/s

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  • question_answer9) The correct order of arrangement of electromagnetic waves according to their wavelength is

    A) gamma rays < microwaves < AM radiowaves < FM radiowaves

    B) microwaves < AM radiowaves < FM radiowaves < gamma rays

    C) gamma rays < AM radiowaves < FM radiowaves < microwaves

    D) gamma rays < microwaves < FM radiowaves < AM radiowaves

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  • question_answer10) A constant retarding force of 80 N is applied to a body of mass 50 kg which is moving initially with a speed of 20 m/s. What would be the time required by the body to come to rest?

    A) 15s

    B) 14s

    C) 12.5s

    D) 18s

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  • question_answer11) Light from a point source in air falls on a spherical glass surface (n = 1.67 and radius of curvature =25 cm). The distance of the light source from the glass surface is 95 cm. At what position, the image is formed?

    A) 75.45 cm

    B) 90.50 cm

    C) 105.25 cm

    D) 99.40 cm

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  • question_answer12) The length of the wire is increase by 2% by applying a load of 2.5 kg-wt. What is the linear strain produced in the wire?

    A) 0.1

    B) 0.01

    C) 0.2

    D) 0.02

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  • question_answer13) The half life of an old rock element is 5800 years. In how many years its sample of 25 g is reduced to 6.25 g.

    A) 2900 years

    B) 5800 years

    C) 11600 years

    D) 23200 years

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  • question_answer14) The earth takes 24 h to rotate once about its axis. How much time does the sun take to shift by\[5{}^\circ \]when viewed from the earth?

    A) 20 min

    B) 15 min

    C) 10 min

    D) 5 min

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  • question_answer15) Which of the following is a dimension less quantity?

    A) Magnetic flux density

    B) Electric flux density

    C) Lumen flux density

    D) Optical density

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  • question_answer16) A crane lifts weight of 75 kg to a height of 15 m in 15 s. The power of the crane is (assuming\[g=9.8\text{ }m/{{s}^{2}}\])

    A) 635 W

    B) 735 W

    C) 835W

    D) 1135W

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  • question_answer17) The escape velocity from the surface of the earth is\[11.2\text{ }km{{s}^{-1}}\]. What is the escape velocity in a planet whose radius is three times that of the earth and on which the acceleration due to gravity is three times of that on the earth?

    A) \[11.2\text{ }km{{s}^{-1}}\]

    B) \[22.4\text{ }km{{s}^{-1}}\]

    C) \[33.6\text{ }km{{s}^{-1}}\]

    D) \[5.6\text{ }km{{s}^{-1}}\]

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  • question_answer18) What is the dimensional formula for work?

    A) \[[ML{{T}^{-2}}]\]

    B) \[[M{{L}^{2}}{{T}^{-2}}]\]

    C) \[[M{{L}^{3}}{{T}^{-2}}]\]

    D) \[[M{{L}^{2}}{{T}^{-1}}]\]

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  • question_answer19) When the gas expands with temperature using the relation\[V=K{{T}^{2/3}}\]for the temperature change of 40 K, the work done is

    A) \[20.1\,R\]

    B) \[30.2\,R\]

    C) \[26.6\,R\]

    D) \[35.6\,R\]

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  • question_answer20) The resonant frequency of a L-C-R circuit depends upon

    A) L and R

    B) C and R

    C) L and C

    D) L, C and R

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  • question_answer21) A wheel with 30 metallic spokes each of 7.0 m long is rotated with a speed of 120 rev/min, in a plane normal to the horizontal component of the earths magnetic field\[{{H}_{E}}\]at a place. If\[{{H}_{E}}=0.8\]Gat the place what is the induced emf between the axis and the rim of the wheel? (Give\[1G={{10}^{-4}}T\])

    A) \[2.46\times {{10}^{-4}}V\]

    B) \[6.28\times {{10}^{-4}}V\]

    C) \[5.76\times {{10}^{-5}}V\]

    D) \[4.92\times {{10}^{-4}}V\]

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  • question_answer22) In a circuit, 3 resistors of resistance\[1.2\,\Omega ,\]\[2\,\Omega ,3\,\Omega \] are connected in parallel. The value of equivalent resistance is

    A) less than\[1.2\,\Omega \]

    B) greater than\[1.2\,\Omega \]

    C) between\[1.2\,\Omega \]and\[2\,\Omega \]

    D) between\[2\,\Omega \]and\[3\,\Omega \]

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  • question_answer23) The magnetic field is absent in which one of the following physical situation?

    A) Surface of neutron star

    B) Surface of the earth

    C) Human nerve fiber

    D) At some point on the axis of bar magnet

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  • question_answer24) What amount of energy is associated with mass of 2.5 kg?

    A) \[6.27\times {{10}^{17}}J\]

    B) \[4.27\times {{10}^{17}}J\]

    C) \[0.27\times {{10}^{17}}J\]

    D) \[2.27\times {{10}^{17}}J\]

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  • question_answer25) The ratio of radii of nuclei of two atoms of element of atomic mass numbers 27 and 64 is

    A) \[3:4\]

    B) \[4:3\]

    C) \[9:16\]

    D) \[16:9\]

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  • question_answer26) MSI integrated chip contains

    A) less than 10 gates

    B) 10 to 100 gates

    C) 100 to 1000 gates

    D) 1000 to 10000 gates

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  • question_answer27) What is the torque of a force\[3\hat{i}+7\hat{j}+4\hat{k}\] about the origin, if the force acts on a particle whose position vector is\[2\hat{i}+2\hat{j}+1\hat{k}\]?

    A) \[\hat{i}-5\hat{j}+8\hat{k}\]

    B) \[2\hat{i}+2\hat{j}+2\hat{k}\]

    C) \[\hat{i}+\hat{j}+\hat{k}\]

    D) \[3\hat{i}+2\hat{j}+3\hat{k}\]

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  • question_answer28) A message signal of frequency 20 kHz and peak voltage of 15 V is used to modulate a carrier wave of 1000 kHz and peak voltage of 30 V. The modulation index and upper side band are respectively

    A) 0.50 and 1020kHz

    B) 0.66 and 1020kHz

    C) 0.50 and 980 kHz

    D) 0.66 and 980 kHz

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  • question_answer29) Calculate, the efficiency of the engine, if Carnot cycle operates at\[{{T}_{1}}=550\text{ }K\]and \[{{T}_{2}}=320\text{ }K\]producing 2.3 kJ of mechanical work per cycle?

    A) 0.418

    B) 0.622

    C) 0.823

    D) 0.902

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  • question_answer30) Which of the following device is the application of photoelectric effect?

    A) Light emitting diode

    B) Diode

    C) Photocell

    D) Transistor

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  • question_answer31) The waves used for Line-of-Sight (LOS) communication are

    A) ground waves

    B) space waves

    C) sound waves

    D) sky waves

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  • question_answer32) The inductance L of a solenoid depends upon its radius R as

    A) \[L\propto R\]

    B) \[L\propto 1/R\]

    C) \[L\propto {{R}^{2}}\]

    D) \[L\propto {{R}^{3}}\]

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  • question_answer33) How much revolution does the engine make during the time when a motor wheel with angular speed is increased from 720 rpm to 2820 rpm in 14 s?

    A) 354

    B) 490

    C) 413

    D) 620

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  • question_answer34) If the pressure at half of the lake is equal to 1/3 pressure at the bottom of the lake, what is the depth of the lake? (Assume\[g=10\text{ }m/{{s}^{2}}\]and 1 aim\[=1\times {{10}^{5}};\text{ }\rho \]water\[={{10}^{3}}\])

    A) 9.6 m

    B) 7.5 m

    C) 4.4 m

    D) 3.2 m

    E) None of the Above

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  • question_answer35) The value of Rydberg constant is

    A) \[1.997\times {{10}^{7}}{{m}^{-1}}\]

    B) \[1.097\times {{10}^{-7}}{{m}^{-1}}\]

    C) \[1.097\times {{10}^{7}}{{m}^{-1}}\]

    D) \[19.97\times {{10}^{7}}{{m}^{-1}}\]

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  • question_answer36) A car moving on a straight road covers 1/3 of the distance with 25 km/h and rest with 75 km/h. The average speed is

    A) 25 km/h

    B) 45 km/h

    C) 55 km/h

    D) 75 km/h

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  • question_answer37) The distance at which average radius of the earth orbit subtends an angle of 1 arc second is

    A) parsec

    B) astronomical unit

    C) light year

    D) unified atomic unit

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  • question_answer38) What happens to the acceleration due to gravity with the increase in altitude from the surface of the earth?

    A) Increase

    B) Decrease

    C) First decrease and then increase

    D) Remains same

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  • question_answer39) Lenzs law is a consequence of the law of conservation of

    A) charge

    B) mass

    C) momentum

    D) energy

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  • question_answer40) The angle between the true geographic north and the north shown by a compass needle is called as

    A) inclination

    B) magnetic declination

    C) angle of meridian

    D) magnetic pole

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  • question_answer41) An air bubble of\[2\text{ }c{{m}^{3}}\]rises from the bottom of a lake of 32 m at a temperature of\[9{}^\circ C\]. When the bubble reaches the surface of the lake from the bottom of the lake, what volume does it grows for which temperature is\[30{}^\circ C\](assume \[g=10m/{{s}^{2}}\]and density\[\rho ={{10}^{3}}kg/{{m}^{3}}\])

    A) \[5.937\text{ }c{{m}^{3}}\]

    B) \[8.937\text{ }c{{m}^{3}}\]

    C) \[12.937\text{ }c{{m}^{3}}\]

    D) \[16.937\text{ }c{{m}^{3}}\]

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  • question_answer42) Which quantity is transmitted with propagation of longitudinal waves through a medium?

    A) Dispersion

    B) Energy

    C) Matter

    D) Frequency

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  • question_answer43) A monochromatic light of frequency\[3\times {{10}^{14}}\] Hz is produced by a Laser, emits the power of\[3\times {{10}^{-3}}W\]. Find, how many number of photons are emitted per second

    A) \[1.5\times {{10}^{16}}\]

    B) \[2.5\times {{10}^{16}}\]

    C) \[4.5\times {{10}^{16}}\]

    D) \[8.5\times {{10}^{16}}\]

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  • question_answer44) A mountaineer standing on the edge of a cliff 441m above the ground throws a stone horizontally with an initial speed of 20 m/s. What is the speed with which the stone reaches the ground?

    A) 90 m/s

    B) 95.08 m/s

    C) 85 m/s

    D) 92 m/s

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  • question_answer45) A zener diode is used as

    A) an amplifier

    B) a rectifier

    C) a voltage regulator

    D) a light emitting device

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  • question_answer46) In which of the following does the intensity of sound vary with time?

    A) Doppler effect

    B) Beats

    C) Transverse waves

    D) Longitudinal waves

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  • question_answer47) A solid cylindrical of mass 30 kg rotates about its axis with an angular speed of 50 rad/s. What is the KE associated with the rotation of the cylinder, if the radius of the cylinder is 0.30 m?

    A) 1500.5 J

    B) 1687.5 J

    C) 2000.7J

    D) 1350.0 J

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  • question_answer48) The circuits that make rippled AC to pure DC are known as

    A) DC converters

    B) junction diodes

    C) bipolar transistors

    D) filters

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  • question_answer49) A string of mass 3 kg is under tension of 400 N. The length of the stretched string is 25 cm. If the transverse jerk is stuck at one end of the string how long does the disturbance take to reach the other end?

    A) 0.047s

    B) 0.055s

    C) 0.034s

    D) 0.065s

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  • question_answer50) The total energy of an electron in 4th orbit of hydrogen atom is

    A) \[-13.6eV\]

    B) \[-3.4eV\]

    C) \[-1.51eV\]

    D) \[-0.85eV\]

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  • question_answer51) The graph between voltage and current across a conductor that follows Ohms law is

    A) straight line

    B) parabolic

    C) sine-curve

    D) cos-curve

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  • question_answer52) An athlete throws the shot-put of mass 4 kg with initial speed of\[2.2\text{ }m{{s}^{-1}}\]at\[41{}^\circ \]from a height of 1.3 m from the ground. What is the KE of the shot-put when it reaches the ground? (Ignoring the air resistance and gravity \[g=9.8m/{{s}^{2}}\])

    A) 42.84 J

    B) 52.84 J

    C) 62.84 J

    D) 72.84 J

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  • question_answer53) Two bulbs operating on standard voltage 110V have resistances in the ratio\[9:16\]. The ratio of brightness of light from them is

    A) \[3:16\]

    B) \[16:9\]

    C) \[3:4\]

    D) \[4:3\]

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  • question_answer54) The neutral point on potentiometers scale for two cells of EMF 2.1 and E volts is observed at distances 40 cm and 56 cm respectively. The value of E is

    A) 2.10V

    B) 2.94V

    C) 1.50V

    D) 1.20V

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  • question_answer55) Which one of the following equation is Torricelli law?

    A) \[P=\rho gh\]

    B) \[v=\sqrt{2hg}\]

    C) \[\eta {{R}_{e}}=\rho vd\]

    D) \[S(2d)=Fd\]

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  • question_answer56) Which of the law representing Maxwells third equation?

    A) Gausss law for electricity

    B) Ampere-Maxwell law

    C) Gausss law of magnetism

    D) Faradays law

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  • question_answer57) A silver wire has a resistance of\[1.6\,\Omega \]. At \[25.5{}^\circ C,\]and a resistance of\[2.5\,\Omega \]. at\[100{}^\circ C,\]then temperature coefficient of resistivity of silver is

    A) \[5.55\times {{10}^{-3}}{}^\circ C\]

    B) \[7.55\times {{10}^{-3}}{}^\circ C\]

    C) \[11.75\times {{10}^{-2}}{}^\circ C\]

    D) \[15.5\times {{10}^{-3}}{}^\circ C\]

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  • question_answer58) When a particle returns to its initial point, its

    A) displacement is zero

    B) average velocity is zero

    C) distance is zero

    D) average speed is zero

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  • question_answer59) A body weight 45 N on the surface of the earth. What is the gravitational force on it due to the earth at a height equal to half of the radius of the earth?

    A) 20 N

    B) 45 N

    C) 40 N

    D) 90 N

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  • question_answer60) The angle of a prism is\[42{}^\circ \]and refractive index of its material is 3/2. Then, angle of minimum deviation for this prism is

    A) \[63{}^\circ \]

    B) \[42{}^\circ \]

    C) \[28{}^\circ \]

    D) \[21{}^\circ \]

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  • question_answer61) A conducting sphere of radius 5 cm has an unknown charge. The electric field at 10 cm from the centre of the sphere is\[1.8\times {{10}^{3}}N/C\] and points radially inward. What is the net charge on the sphere?

    A) 1.8 nC

    B) 2 nC

    C) 1 nC

    D) 1.5 Nc

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  • question_answer62) For transistors the value of P is 50 then, the value of a is

    A) 50/51

    B) 49/50

    C) 51/50

    D) 50/49

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  • question_answer63) An infinite line charge produces a field of \[18\times {{10}^{5}}N/C\] at a distance of 4 cm. What is the linear charge density?

    A) \[18\mu C/m\]

    B) \[5\mu C/m\]

    C) \[4\mu C/m\]

    D) \[10\mu C/m\]

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  • question_answer64) What is the fraction of molecular volume to the actual volume occupied by oxygen gas at STP? Given, the diameter of oxygen molecule is\[2\overset{o}{\mathop{\text{A}}}\,\].

    A) \[1.75\times {{10}^{-4}}\]

    B) \[1.5\times {{10}^{-4}}\]

    C) \[12\times {{10}^{-4}}\]

    D) \[1.125\times {{10}^{-4}}\]

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  • question_answer65) A 400 pF capacitor is charged by a 100 V supply. How much electrostatic energy is lost in the process of disconnecting from the supply and connecting another uncharged 400 pF capacitor?

    A) \[{{10}^{-5}}J\]

    B) \[{{10}^{-6}}J\]

    C) \[{{10}^{-7}}J\]

    D) \[{{10}^{-4}}J\]

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  • question_answer66) The ratio of magnitude of electric displacement and electric field is

    A) charge density

    B) permittivity

    C) electric susceptibility

    D) dielectric constant

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  • question_answer67) An object is gently placed on a long converges belt moving with\[11\text{ }m{{s}^{-1}}\]. If the coefficient of friction is 0.4, then the block will slide in the belt up to a distance of

    A) 10. 21m.

    B) 15.43m

    C) 20.3m

    D) 25.6m

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  • question_answer68) A spring balance has a scale that reads from 0 to 60 kg. The length of the scale is 30 cm. A body suspended from this balance and when displaced and released, oscillates with a period of 0.8 s, what is the weight of the body when oscillating?

    A) 350.67 N

    B) 540.11 N

    C) 311.24N

    D) 300.5 N

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  • question_answer69) The magnetic needle has magnetic moment \[8.7\times {{10}^{-2}}A-{{m}^{2}}\]and moment of inertia\[11.5\times {{10}^{-6}}kg-{{m}^{2}}\]. It performs 10 complete oscillations in 6.70 s, what is the magnitude of the magnetic field?

    A) 0.012 T

    B) 0.120 T

    C) 1.200 T

    D) 2.10 T

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  • question_answer70) The distance for which ray optics is good approximation for an aperture 5mm and wavelength \[5000\overset{o}{\mathop{\text{A}}}\,\] is

    A) 18m

    B) 30m

    C) 38m

    D) 50m

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  • question_answer71) A compound microscope has a magnification of 30. The focal length of the eye-piece is 5 cm. If the final image is formed at the least distance of distinct vision (25 cm) the magnification produced by the objective is

    A) 10

    B) 7.5

    C) 5

    D) 15

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  • question_answer72) Which of the following relation is called mirror equation?

    A) \[u/v+f/u=1/f\]

    B) \[1/v+1/u=1/f\]

    C) \[1/f+u=1/v\]

    D) \[uf+vf=uv\]

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  • question_answer73) A stone of mass 0.05 kg is thrown vertically upwards. What is the direction and magnitude of the net force on the stone during its upward motion?

    A) 0.49 N vertically downward direction

    B) 0.49 N vertically upwards direction

    C) 0.05 N vertically downwards direction

    D) 9.8 N vertically upwards direction

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  • question_answer74) Two different coils have self-inductance\[{{L}_{1}}=8\,mH,\]\[{{L}_{2}}=2\,mH.\]The current in one coil is increased at a constant rate. The current in the second coil is also increased at the same rate. At a certain instant of time, the power given to the two coils is the same. At that time the current, the induced voltage and the energy stored in the first coil are\[{{i}_{1}},{{V}_{1}}\]and\[{{W}_{1}}\]respectively. Corresponding values for the second coil at the same instant are\[{{i}_{2}},{{V}_{2}}\]and\[{{W}_{2}}\]respectively. Then,

    A) \[{{W}_{2}}/{{W}_{1}}=8\]

    B) \[{{W}_{2}}/{{W}_{1}}=1/8\]

    C) \[{{W}_{2}}/{{W}_{1}}=4\]

    D) \[{{W}_{2}}/{{W}_{1}}=1/4\]

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  • question_answer75) A concave mirror of focal length f produces a real image n times the size of the object. The distance of the object from the mirror is

    A) \[(n-1)f\]

    B) \[(n+1)f\]

    C) \[(n+1)f/n\]

    D) \[(n-1)f/n\]

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  • question_answer76) Which of the following mentioned is a type of hydrocarbon?

    A) Saturated hydrocarbons

    B) Unsaturated hydrocarbons

    C) Aromatic hydrocarbons

    D) All of the above

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  • question_answer77) The process of formation of polymers from respective monomers is called

    A) polyacrylonitrile

    B) copolymerisation

    C) polymerization

    D) None of the above

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  • question_answer78) Energy of one mole of photons of radiation whose frequency is\[5\times {{10}^{14}}Hz\]is

    A) \[199.51\text{ }kJmo{{l}^{-1}}\]

    B) \[189.51\text{ }kJmo{{l}^{-1}}\]

    C) \[198.51\text{ }kJmo{{l}^{-1}}\]

    D) \[188.51\text{ }kJmo{{l}^{-1}}\]

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  • question_answer79) The total number of orbitals associated with the principal quantum number\[n=3\]is

    A) 9

    B) 8

    C) 5

    D) 7

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  • question_answer80) Mass number of an atom is the sum of

    A) number of protons\[+\]number of neutrons \[+\]number of electrons

    B) number of protons\[+\]number of neutrons

    C) number of protons\[+\]number of electrons

    D) number of electrons\[+\]number of neutrons

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  • question_answer81) Which of the following is used in the manufacture of alloys?

    A) Lithium

    B) Halides

    C) Plaster of Paris

    D) Beryllium

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  • question_answer82) Williamsons synthesis is used to prepare

    A) acetone

    B) PVC

    C) ethers

    D) bakelite

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  • question_answer83) Which acid is present in vinegar?

    A) Formic acid

    B) Acetic acid

    C) Butyric acid

    D) Tartaric acid

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  • question_answer84) What is the percentage of free space in body centered cubic unit cell?

    A) 32%

    B) 20%

    C) 34%

    D) 28%

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  • question_answer85) In the formation of TC-bond, the atomic orbitals overlap in such a way that

    A) their axes remain parallel to each other and perpendicular to the internuclear axis

    B) their axes remain parallel to each other and parallel to the internuclear axis

    C) their axes remain perpendicular to each other and parallel to the internuclear axis

    D) their axes remain perpendicular to each other and perpendicular to the internuclear axis

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  • question_answer86) What elements are present in /-block series?

    A) Lanthanoids

    B) Actinoids

    C) Lanthanoids and actinoids

    D) Lipids

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  • question_answer87) What colour is imparted into the flame when lithium is burnt?

    A) Golden yellow

    B) Brick red

    C) Crimson red

    D) Grassy green

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  • question_answer88) Which among the following is a non-colligative property?

    A) Elevation in boiling point

    B) Osmotic pressure

    C) Refractive index

    D) Lowering of vapour pressure

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  • question_answer89) Ethylene can be converted into alcohol by treatment of

    A) \[Aq.\text{ }KOH\]

    B) \[{{H}_{2}}S{{O}_{4}}\]as catalyst

    C) Moist silver oxide

    D) \[Zn/HCl\]

    View Answer play_arrow
  • question_answer90) Negatively charged particles are called

    A) electrons

    B) protons

    C) neutrons

    D) None of these

    View Answer play_arrow
  • question_answer91) Atoms with identical atomic number but different atomic mass number are known as

    A) polymers

    B) isobars

    C) isotopes

    D) isomers

    View Answer play_arrow
  • question_answer92) The colour of transition metal compound is due to

    A) complete ns subshell

    B) small size metal ions

    C) incomplete\[(n-1)d\]subshell

    D) absorption of light in UV region

    View Answer play_arrow
  • question_answer93) The mixture of reactants and products in the equilibrium state is called?

    A) Chemical mixture

    B) Equilibrium mixture

    C) Chemical equilibrium

    D) Dynamic equilibrium

    View Answer play_arrow
  • question_answer94) Among the following molecule which has the zero. dipole moment?

    A) \[B{{F}_{3}}\]

    B) \[{{H}_{2}}O\]

    C) \[N{{F}_{3}}\]

    D) \[Cl{{O}_{2}}\]

    View Answer play_arrow
  • question_answer95) Who has synthesised the organic compound urea for the first time?

    A) Friedrich Wohler

    B) Berzelius

    C) Kolbe

    D) Berthelot

    View Answer play_arrow
  • question_answer96) How much is the pH of human blood?

    A) 5.2

    B) 8.3

    C) 6.3

    D) 7.4

    View Answer play_arrow
  • question_answer97) A reagent which lowers the oxidation number of an element in a given substance in known as

    A) oxidising agent

    B) reduction

    C) reducing agent

    D) oxidation

    View Answer play_arrow
  • question_answer98) Sodium carbonate is manufactured by

    A) Castner-Kellner

    B) Solvay process

    C) oxidation

    D) transmission process

    View Answer play_arrow
  • question_answer99) EDTA can form complex with how many number of donor atoms?

    A) One

    B) Two

    C) Six

    D) Three

    View Answer play_arrow
  • question_answer100) Henrys law constant value for\[{{O}_{2}}\]in water is

    A) 46.82

    B) 43.86

    C) 88.84

    D) 76.48

    View Answer play_arrow
  • question_answer101) Polycondensation products of dicarboxylic acids and diols are

    A) polyamides

    B) neoprene

    C) glyptal

    D) polyesters

    View Answer play_arrow
  • question_answer102) The attractive force which holds various constituents together in different chemical species is called

    A) valence bond

    B) chemical bond

    C) atomic bond

    D) electrovalent bond

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  • question_answer103) What are lanthanides and actinides?

    A) Inner transition element

    B) Noble gas

    C) Normal element

    D) Transition element

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  • question_answer104) Compounds having the same molecular formula but different structures are classified as

    A) functional group isomers

    B) structural isomers

    C) optical isomerism

    D) Metamerism

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  • question_answer105) Gas constant is equal to the

    A) product of two specific heat

    B) difference of two specific heat

    C) ratio of two specific heat

    D) sum of two specific heat

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  • question_answer106) The colour in the coordination compounds can be readily explained in terms of

    A) spectrochemistry

    B) chelate effect

    C) crystal field theory

    D) None of the above

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  • question_answer107) Paramagnetism is exhibited due to which one of the following reason?

    A) Presence of unpaired electrons

    B) Presence of completely filled electronic subshell

    C) By non-transition element

    D) By elements with noble gas configuration

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  • question_answer108) Which one of the following acid does not have a carboxylic group?

    A) Methanoic acid

    B) Ethanoic acid

    C) Propanoic acid

    D) Picric acid

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  • question_answer109) How will you define the specific heat at constant volume?

    A) The amount of heat required to raise the temperature of unit mass of gas through one degree at constant pressure

    B) The amount of heat required to raise the temperature of 1 kg of water through one degree.

    C) The amount of heat required to raise the temperature of unit mass of gas through one degree at constant volume

    D) All of the above

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  • question_answer110) The chief commercial use of amines as intermediates in the synthesis of

    A) medicines

    B) fibers

    C) medicines and fibers

    D) proteins

    View Answer play_arrow
  • question_answer111) Silver, gold, platinum, iron, copper and titanium are part of the

    A) minerals

    B) transition metals

    C) salts

    D) All of these

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  • question_answer112) Wood spirit is known as

    A) Ethanol

    B) Methanol

    C) Propanol

    D) None of these

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  • question_answer113) What is the value of 1/n in Freundlich adsorption isotherm ?

    A) Between 2 and 4 in all cases

    B) Between 0 and 1 in all cases

    C) 1 in case of chemisorptions

    D) 1 in case of physical adsorption

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  • question_answer114) What is the product of reaction between calcium carbide and water?

    A) Ethylene

    B) Acetylene

    C) Methane

    D) Benzene

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  • question_answer115) The crystal lattice of electrovalent compound is composed of

    A) oppositely charged ions

    B) both molecules and ions

    C) molecules

    D) atoms

    View Answer play_arrow
  • question_answer116) Anti-Markownikoff addition of\[HBr\]is observed in

    A) propene

    B) but-2-ene

    C) pent-2-ene

    D) All of these

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  • question_answer117) What kind of isomerism is exhibited by the compounds\[C{{H}_{3}}C{{H}_{2}}CHO\]and\[C{{H}_{3}}COC{{H}_{3}}\]?

    A) Geometrical isomerism

    B) Functional isomers

    C) Tautomers

    D) Metamers

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  • question_answer118) Mass of a proton is

    A) 0.00727 amu

    B) 1.0087 amu

    C) 0.00054 amu

    D) 1.00727 amu

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  • question_answer119) The concentration of hydrogen ion in a sample of soft drink is\[3.8\times {{10}^{-3}}M\]. What is its pH?

    A) 3.84

    B) 2.42

    C) 4.44

    D) 1.42

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  • question_answer120) Which factor has no influence on the rate of reaction?

    A) Molecularity

    B) Temperature

    C) Concentration of reactant

    D) Nature of reactant

    View Answer play_arrow
  • question_answer121) What kinds of bonds are present in ethane molecule?

    A) 1 pi and 5 sigma bonds

    B) 1 pi and 3 sigma bonds

    C) 1 sigma and 1 pi bonds

    D) 3 sigma and 3 pi bonds

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  • question_answer122) The smallest quantity of energy that can be emitted or absorbed in the form of electromagnetic radiation is known as

    A) quantum

    B) photon

    C) spectrum

    D) photoelectron

    View Answer play_arrow
  • question_answer123) Food preservatives prevent spoilage of food due to microbial growth. The most commonly used preservatives are

    A) table salt, sugar

    B) vegetable oils and sodium benzoate

    C) \[{{C}_{6}}{{H}_{5}}COONa\]

    D) All of the above

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  • question_answer124) Based on which method amines are prepared?

    A) Reduction of nitro compounds

    B) Ammonolysis of alkyl halides

    C) Reduction of nitrites and amides

    D) All of the above

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  • question_answer125) All substances that conduct electricity in aqueous solutions are called?

    A) Electrolytes

    B) Acids

    C) Buffers

    D) Catalyst

    View Answer play_arrow
  • question_answer126) In which year, IUPAC draft recommends that anionic ligands will end with-ido so that chloro would become chlorido

    A) 1994

    B) 1984

    C) 2000

    D) 2004

    View Answer play_arrow
  • question_answer127) Use of chemicals for therapeutic effect is called

    A) medicines

    B) chemotherapy

    C) drug-target interaction

    D) phototherapy

    View Answer play_arrow
  • question_answer128) What is the type of hybridisation found in methane?

    A) \[s{{p}^{3}}\]

    B) \[s{{p}^{2}}\]

    C) \[sp\]

    D) None of these

    View Answer play_arrow
  • question_answer129) Addition of oxygen to an element or a compound is termed as

    A) oxidation

    B) reduction

    C) ionisation

    D) redox reaction

    View Answer play_arrow
  • question_answer130) Molality of 2.5 g of ethanoic acid\[(C{{H}_{3}}COOH)\]in 75 g of benzene is

    A) \[0.565\text{ }mol\text{ }k{{g}^{-1}}\]

    B) \[0.656\text{ }mol\text{ }k{{g}^{-1}}\]

    C) \[0.556\text{ }mol\text{ }k{{g}^{-1}}\]

    D) \[0.665\text{ }mol\text{ }k{{g}^{-1}}\]

    View Answer play_arrow
  • question_answer131) It has been found that for a chemical reaction with rise in temperature by\[10{}^\circ ,\]the rate constant is

    A) nearly doubled

    B) nearly tripled

    C) increases 5 times

    D) increases 4 times

    View Answer play_arrow
  • question_answer132) Carbonyl compounds are constituents of

    A) fabrics, drugs

    B) fabrics, plastics

    C) flavourings, plastics

    D) All of these

    View Answer play_arrow
  • question_answer133) What is IUPAC name of iso-propylamine?

    A) Propan-2-amine

    B) Ethanamine

    C) 2-aminotoluene

    D) Propan-1-amine

    View Answer play_arrow
  • question_answer134) lonization energy and electron affinity are defined at

    A) enthalpy

    B) spontaneity

    C) equilibrium

    D) absolute zero

    View Answer play_arrow
  • question_answer135) When acetaldehyde is heated with dilute sodium hydroxide solution, the product is

    A) ethanol and sodium acetate

    B) paraldehyde

    C) aldol

    D) brown resin

    View Answer play_arrow
  • question_answer136) Monovalent sodium and potassium ions, divalent magnesium and calcium ions are found in

    A) lipids

    B) biological fluids

    C) fats

    D) enzymes

    View Answer play_arrow
  • question_answer137) The removal of an electron from an atom results in the formation of

    A) anion

    B) anode

    C) cation

    D) cathode

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  • question_answer138) Which compound is responsible for perfumery?

    A) Ketones

    B) Ethers

    C) Alcohols

    D) Esters

    View Answer play_arrow
  • question_answer139) Which is the metal present in the coordination compound chlorophyll?

    A) Ca

    B) Mg

    C) K

    D) Na

    View Answer play_arrow
  • question_answer140) 45 g of ethylene glycol\[({{C}_{2}}{{H}_{6}}{{O}_{2}})\]is mixed with 600 g of water, what is the depression of freezing point?

    A) 7.9 K

    B) 2.5 K

    C) 6.6 K

    D) 2.2 K

    View Answer play_arrow
  • question_answer141) In\[B{{r}_{3}}{{O}_{8}}\]compound, oxidation number of bromine is

    A) 16/13

    B) 26/3

    C) 24/3

    D) 16/3

    View Answer play_arrow
  • question_answer142) How many octahedral void(s) are present per atom in a cubic close - packed structure?

    A) 3

    B) 4

    C) 1

    D) 2

    View Answer play_arrow
  • question_answer143) Lithium shows diagonal relationship with

    A) sodium

    B) magnesium

    C) calcium

    D) aluminium

    View Answer play_arrow
  • question_answer144) Why d-block element form complexes?

    A) Due to large size and high nuclear charge

    B) Due to small size and low nuclear charge

    C) Due to small size and high nuclear charge

    D) None of the above

    View Answer play_arrow
  • question_answer145) What is conductance?

    A) Inverse of resistance

    B) Proportional of resistance

    C) Equal of resistivity

    D) Equal of resistance

    View Answer play_arrow
  • question_answer146) Which is the correct statement about solid?

    A) Very high compressibility

    B) Maximum intermolecular distance

    C) Definite mass but no definite volume

    D) Maximum intermolecular force of attraction

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  • question_answer147) The enthalpy change accompanying a reaction is called

    A) reaction enthalpy

    B) standard enthalpy

    C) thermochemical equation

    D) enthalpy of atomization

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  • question_answer148) According to IUPAC system, what is the correct name of the compound\[[Cr{{(N{{H}_{3}})}_{3}}{{({{H}_{2}}O)}_{3}}]C{{l}_{3}}\]

    A) triamminetriaquachromium (III) chloride

    B) triamminetriaquachromiumchloride (III)

    C) tetraammoniumtriaquachromium (III) chloride

    D) None of the above

    View Answer play_arrow
  • question_answer149) The relative ease of dehydration of alcohols follows following order

    A) tertiary > secondary > primary

    B) primary > secondary > tertiary

    C) secondary > tertiary > primary

    D) tertiary > primary > secondary

    View Answer play_arrow
  • question_answer150) What is the unit of zero order reaction?

    A) \[mol\,L\,{{s}^{-1}}\]

    B) \[{{s}^{-1}}\]

    C) \[L\,mo{{l}^{-1}}{{s}^{-1}}\]

    D) None of the above

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  • question_answer151) Rough endoplasmic reticulum is actively involved in

    A) protein synthesis

    B) hormone synthesis

    C) lipid synthesis

    D) carbohydrate synthesis

    View Answer play_arrow
  • question_answer152) Passive immunity is

    A) inherited from parents

    B) acquired through first exposure to the disease

    C) achieved directly through ready-made antibodies

    D) achieved through vaccination

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  • question_answer153) Perinuclear space is present in

    A) cytoplasm

    B) nucleus

    C) ER (Endoplasmic Reticulum)

    D) Golgi apparatus

    View Answer play_arrow
  • question_answer154) To produce one molecule of glucose Calvin cycle turns

    A) 2 times

    B) 4 times

    C) 6 times

    D) 8 times

    View Answer play_arrow
  • question_answer155) In dicotyledonous stem, which of the following is the sequence of tissues from to outside?

    A) Pith, phloem, cambium, protoxylem, metaxylem, pericycle, parenchyma, collenchyma, endodermis and epidermis

    B) Pith, cambium, phloem, protoxylem, metaxylem, pericycle, endodermis, parenchyma, collenchyma and epidermis

    C) Pith. phloem, protoxylem, metaxylem, cambium, pericycle, endodermis, parenchyma, collenchyma and epidermis

    D) Pith. protoxylem, metaxylem, cambium, phloem, pericycle, endodermis, parenchyma, collenchyma and epidermis

    View Answer play_arrow
  • question_answer156) Major pigments found in Phaeophyceae, i.e., brown algae are

    A) chlorophyll a, d

    B) chlorophyll a, b, c

    C) chlorophyll a, c and fucoxanthin

    D) chlorophyll a, d and phycoerythrin

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  • question_answer157) How many recombinant therapeutics have been used for human diseases throughout the world?

    A) 12

    B) 24

    C) 30

    D) 56

    View Answer play_arrow
  • question_answer158) Widal test is done to confirm

    A) malaria

    B) typhoid

    C) pneumonia

    D) jaundice

    View Answer play_arrow
  • question_answer159) During incomplete dominance,\[{{F}_{2}}-\]generation will have

    A) \[3:1\]genotypic ratio

    B) \[3:1\]phenotypic ratio

    C) \[1:2:1\]genotypic ratio

    D) \[1:2:1\]phenotypic ratio

    View Answer play_arrow
  • question_answer160) Cisternae have a diameter of

    A) \[0.5\text{ }\mu m\text{ }to\text{ }1.0\text{ }\mu \text{m}\]

    B) \[\text{1}\text{.0 }\mu m\text{ }to\text{ }1.5\text{ }\mu \text{m}\]

    C) \[\text{1}\text{.5 }\mu m\text{ }to\text{ 2}.0\text{ }\mu \text{m}\]

    D) \[\text{2}\text{.0 }\mu m\text{ }to\text{ 2}.5\text{ }\mu \text{m}\]

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  • question_answer161) The anterior portion of the sperm head which is covered by a cap-like structure called

    A) acrosome

    B) antrum

    C) sertoli cells

    D) enzymes

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  • question_answer162) Class is the category of taxonomy which includes related

    A) families

    B) orders

    C) genus

    D) species

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  • question_answer163) The secretory immunoglobulin present in the colostrum of mother is

    A) 1gM

    B) 1gG

    C) 1gA

    D) 1Gd

    View Answer play_arrow
  • question_answer164) When Respiratory Quotient (RQ) is less than 0.1 in a respiratory metabolism, it means that

    A) carbohydrates are used as respiratory substrate

    B) volume of carbon dioxide evolved is less than volume of oxygen consumed

    C) volume of carbon dioxide evolved is more than volume of oxygen consumed

    D) volume of carbon dioxide evolved is equal, to volume of oxygen consumed

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  • question_answer165) Zygote is resulted by the process

    A) isogamy

    B) anisogamy

    C) monogamy

    D) syngamy

    View Answer play_arrow
  • question_answer166) The region of DNA sequence that provides binding site for RNA polymerase is

    A) terminator

    B) structural gene

    C) origin sequence

    D) promoter

    View Answer play_arrow
  • question_answer167) A small protein attached to the outer surface of the inner membrane and which acts as a mobile carrier for transfer of electrons between complex III and IV is

    A) cytochrome d

    B) cytochrome c

    C) cytochrome b

    D) cytochrome a

    View Answer play_arrow
  • question_answer168) Lindemann for the first time gave energy transfer law, which states that

    A) only 20% of the energy is transferred to each trophic level

    B) only 10% of the energy is transferred to each trophic level

    C) only 30% of the energy is transferred to each trophic level

    D) only 50% of the energy is transferred to each trophic level

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  • question_answer169) Genes which code for a pair of contrasting characters are called

    A) factors

    B) traits

    C) alleles

    D) gametes

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  • question_answer170) During the process of sexual reproduction in flowering, plants, double fertilisation involves

    A) fertilisation of egg cell by two male gametes

    B) fertilisation of egg cell and a central cell by two male gametes brought by same pollen tube

    C) fertilisation of egg cell and a central cell by two male gametes brought by different-pollen tube

    D) fertilisation of two egg cells by two male gametes brought by same pollen tube

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  • question_answer171) Length of grapes stalks increases due to

    A) auxin

    B) cytokinins

    C) gibberellins

    D) ethylene

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  • question_answer172) The pattern of arrangement of leaves on the stem is known as

    A) heterophylly

    B) phyllode

    C) phyllotaxy

    D) phylloclade

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  • question_answer173) Megakaryocytes, special cells in the bone marrow produce cell fragments are called

    A) leucocytes

    B) erythrocytes

    C) thrombocytes

    D) fibrinogen

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  • question_answer174) Placentation found in tomato is

    A) marginal

    B) axile

    C) parietal

    D) basal

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  • question_answer175) The accumulation of urea in the blood due to malfunctioning of kidneys is referred as

    A) uremia

    B) renal calculi

    C) edema

    D) glomerulonephritis

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  • question_answer176) Typhlosole is a structure associated with

    A) circulatory system of earthworm

    B) digestive system of earthworm

    C) excretory system of earthworm

    D) reproductive system of earthworm

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  • question_answer177) Which mechanism of evolution affects the genetic makeup in a population?

    A) Natural selection

    B) Adaptation

    C) Genetic drift

    D) Gene mutation

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  • question_answer178) The myelin sheath around the axon is produced by which type of neuroglial cells?

    A) Satellite glial cells

    B) Radial glial cells

    C) Dendrocytes

    D) Schwann cells

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  • question_answer179) The embryo sac of angiosperms contains

    A) 3 celled egg apparatus, 3 antipodal cell and 2 polar nuclei

    B) 2 celled egg apparatus, 3 antipodal cell and 2 polar nuclei

    C) 3 celled egg apparatus, 2 antipodal. cell and 1 polar nuclei

    D) 3 celled egg apparatus, 1 antipodal cell and 2 polar nuclei

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  • question_answer180) What is the chromosome number in the meiocytes of apple?

    A) 12

    B) 34

    C) 46

    D) 78

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  • question_answer181) Developing pollen is nourished by

    A) tapetum

    B) endothecium

    C) epidermis

    D) middle layer

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  • question_answer182) An endocrine gland in human, which play a important role in the regulation of rhythm of the body is

    A) adrenal gland

    B) pineal gland

    C) thymus

    D) thyroid gland

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  • question_answer183) The process of exchange of\[{{O}_{2}}\]from the atmosphere with\[C{{O}_{2}}\]produced by the cells is called

    A) biological respiration

    B) photosynthesis

    C) biological assimilation

    D) gaseous exchange

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  • question_answer184) First husband of Asha had ABO blood type A and their child had type 0. She remarried and her second husband had ABO blood type B and their child had type AB. What is the ABO genotype of Asha and also name her blood type?

    A) ii, blood type 0

    B) \[{{I}_{B}}{{I}_{O}},\]blood type B

    C) \[{{I}_{A}}{{I}_{B}},\]blood type AB

    D) \[{{I}_{B}}i,\]blood type A

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  • question_answer185) In which techniques, the donor semen is artificially introduced into the uterus?

    A) Intra vaginal insemination

    B) Intra uterine insemination

    C) Intracytoplasmic sperm injection

    D) Gamete intra Fallopian transfer

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  • question_answer186) Carbon dioxide, methane, nitrogen oxide and chlorofluorocarbons are called green house gases because they can absorb

    A) ultraviolet radiations

    B) visible light radiations

    C) gamma-rays radiations

    D) long wave infrared radiations

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  • question_answer187) Transfer of pollen grains from the anther to the stigma of another flower of the different plant is known as

    A) autogamy

    B) geitonogamy

    C) xenogamy

    D) cleistogamy

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  • question_answer188) In IUCN Red List (2004) documents, the extinction 784 species includes

    A) 335 vertebrates, 360 invertebrates and 89 plants

    B) 337 vertebrates, 362 invertebrates and 88 plants

    C) 338 vertebrates. 359 invertebrates and 87 plants

    D) 340 vertebrates. 357 invertebrates and 87 plants

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  • question_answer189) Who gave semi-conservative mode of DNA replication for the first time in E.coli with the help of 15 N heavy nitrogen isotope?

    A) Watson and Crick

    B) Kornberg and Ochoa

    C) Meselson and Stahl

    D) Luria and Delbruck

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  • question_answer190) Axoneme is a structure associated with

    A) golgi bodies

    B) only cilia

    C) only flagella

    D) Both cilia and flagella

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  • question_answer191) Scientific names of plants are based on principles criteria agreed by and are given in

    A) IUCN

    B) ICZN

    C) ICBN

    D) ICPN

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  • question_answer192) Two plants one with black flower and other with white coloured flower were crossed in an experiment. In next generation grey coloured flowers were obtained The reason for the result is

    A) incomplete dominance

    B) pseudo-dominance

    C) codominance

    D) None of the above

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  • question_answer193) The depolarisation of the atria is represented by

    A) P-wave

    B) Q-wave

    C) T-wave

    D) ORS complex

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  • question_answer194) The enzyme involved in the crossing over between two homologous chromosome is

    A) nuclease

    B) RNA polymerase

    C) recombinase

    D) DNA polymerase

    View Answer play_arrow
  • question_answer195) During the transcription, if nucleotide sequence of DNA strand, is being coded as ATACG, then the nucleotide sequence of mRNA would be

    A) UATGC

    B) TATGC

    C) UAUGC

    D) TATGG

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  • question_answer196) Micro organism used for commercial production of acetic acid is

    A) Saccharomyces cerevisiae

    B) Aspergilfus niger

    C) Acetobacter

    D) Clostridium butylicum

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  • question_answer197) \[{{C}_{4}}\]plants have bundle sheath cells which possess

    A) few chloroplasts with thin walls so that gaseous exchange can take place

    B) large number of chloroplasts with thick walls impervious to gaseous exchange

    C) large number of chloroplasts and intercellular spaces

    D) few chloroplasts with thick walls and no intercellular spaces

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  • question_answer198) When water moves out of the plant cell and the cell membrane of a plant shrinks away from its cell, then this condition is known as

    A) plasmolysis

    B) exosmosis

    C) hydrolysis

    D) endosmosis

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  • question_answer199) Gene therapy is a treatment that can be done with

    A) adults only

    B) child or embryo only

    C) pregnant mother only

    D) persons of any age and any condition

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  • question_answer200) Somatic hybridisation can be done by

    A) protoplast fusion

    B) cell culture

    C) haploid anther

    D) pollen culture

    View Answer play_arrow
  • question_answer201) Function of zinc in plants is

    A) sugar transport

    B) activation of enzymes

    C) cell elongation

    D) pollen germination

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  • question_answer202) Hyacinth is termed as the terror of Bengal how it causing death of fishes?

    A) Covers the surface of the water that inhibit sunlight to pass through

    B) Drains oxygen from the water that causes oxygen deficiency

    C) Absorbs nutrients from the water that causes malnutrition

    D) Releases carbon dioxide in a huge amount with is lethal to fishes

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  • question_answer203) Snake, a terrestrial animal that excretes nitrogen wastes in the form of uric acid is called

    A) uricotelic

    B) ureotelic

    C) ammonotelic

    D) Not confirmed for any type

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  • question_answer204) Mendel conducted hybridisation experiments on garden peas for

    A) 7 years

    B) 6 years

    C) 5 years

    D) 4 years

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  • question_answer205) Pigeon is a

    A) oviparous organism

    B) viviparous organism

    C) ovo-viviparous organism

    D) None of the above

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  • question_answer206) During the process of artificial hybridisation if the female plant bears bisexual flowers then emasculation is done with the help of forceps, which is

    A) Removal of style from the flower bud before the anther dehiscence

    B) Removal of style from the flower bud after the anther dehiscence

    C) Removal of anthers from the flower bud before anther dehiscence

    D) Removal of anthers from the flower bud after the anther dehiscence

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  • question_answer207) Which part of the plant contains sporogenous tissue?

    A) Pollen

    B) Microspores

    C) Young anther

    D) Stamen

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  • question_answer208) The roots hanging from the branches of banyan tree are

    A) Primary root

    B) Fibrous root

    C) Prop root

    D) Pneumatophore

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  • question_answer209) The number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration is known as

    A) natality

    B) mortality

    C) emigration

    D) immigration

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  • question_answer210) The nucleus of megaspore divides mitotically to form two nuclei which move to opposite poles, and thus form an embryo sac which is

    A) 8 nucleate

    B) 6 nucleate

    C) 4 nucleate

    D) 2 nucleate

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  • question_answer211) During glycolysis fructose 1, 6-bisphosphate is split into

    A) dihydroxyacetone phosphate and 2- phosphoglycera. dehyde

    B) dihydroxyacetone phosphate and 1 -phosphoglyceraldehyde

    C) dihydroxyacetone phosphate and 2-phosphoglycerate

    D) dihydroxyacetone phosphate and 3-phosphoglyceraldehyde

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  • question_answer212) Bacillus thuringiensis (Bt) strains have been used for designing novel

    A) biofertilisers

    B) bioinsecticidal plants

    C) biomineralisation process

    D) biometallurgical techniques

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  • question_answer213) The term biomagnification refers to

    A) increase in concentration of non-degradable poilutant through a food chain

    B) growth of organisms due to food consumption

    C) decrease in population size

    D) increase in population size

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  • question_answer214) What is the full form of AIDS?

    A) Acquired Immuno Deficiency Syndrome

    B) Acquired Immunity Deficiency Syndrome

    C) Acquired Immuno Deficient Syndrome

    D) Acquired Immunity Deficient Syndrome

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  • question_answer215) In which method of animal breeding two different species of male and female animals are mated?

    A) Cross-breeding

    B) Interspecific hybridization

    C) Out breeding

    D) Out crossing

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  • question_answer216) Ozone hole is measured in

    A) Decibel

    B) Dobson Units (DU)

    C) Parts Per Million (PPM)

    D) Cubic Centimeter

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  • question_answer217) The strategy used to prevent the nematode infection in the roots of tobacco plant is called

    A) use of agro chemicals

    B) bt toxin gene

    C) gene mutation

    D) RNA interference

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  • question_answer218) Prothallus of Petridophytes is

    A) conspicuous, small, multicellular, free-living, photosynthetic thalloid gametophyte

    B) inconspicuous, small, multicellular, free-living, photosynthetic thalloid gametophyte

    C) inconspicuous, large, unicellular, free-living, photosynthetic thalloid gametophyte

    D) inconspicuous, small, multcellular, free-living, non-phot.osynthetic thalloid sporophyte

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  • question_answer219) A process in which shape of chemical compound is changed without breaking of bonds

    A) chemical process

    B) physical process

    C) biological process

    D) enzymatic reaction

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  • question_answer220) Classification which is based on evolutionary relationship of various organisms is

    A) artificial classification

    B) natural classification

    C) the five kingdom classification

    D) phylogenetic classification

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  • question_answer221) Herbarium sheets are arranged according to the system of classification and should have information about

    A) time and place of collection, English, local and botanical names, phylum, collectors name

    B) date and time of collection, English, local and botanical names, class, collectors name

    C) date and place of collection, English, local and botanical names, order, collectors name

    D) date and place of collection, English, local and botanical names, family, collectors name

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  • question_answer222) The epidermal hairs present on the stem of the plant is called

    A) trichomes

    B) root hairs

    C) stomata

    D) guard cells

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  • question_answer223) Which one of the following is the specific xerophytic adaptation?

    A) Presence of spines

    B) Absence of stomata

    C) Presence of long tap root system

    D) Presence of stipular leaves

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  • question_answer224) The middle part of the small intestine is

    A) duodenum

    B) jejunum

    C) ileum

    D) pyloric region

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  • question_answer225) A nucleotide has three components

    A) a nitrogenous base, a hextose sugar and a phosphate group

    B) a nitrogenous base, a pentose sugar and a phosphate group

    C) a nitrogenous base, a pentose sugar and a bisphosphate group

    D) a nitrogenous base, a pentose sugar and a triphosphate group

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