Solved papers for Manipal Medical Manipal Medical Solved Paper-2009

done Manipal Medical Solved Paper-2009

  • question_answer1) A body of mass 2 kg makes an elastic collision with another body at rest and continues to move in the original direction with one-fourth its original speed. The mass of the second body which collides with the first body is

    A) 2 kg

    B) 1.2 kg

    C) 3 kg

    D) 1.5 kg

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  • question_answer2) A particle of mass m at rest is acted upon by a force P for a time t. Its kinetic energy after an intervals is

    A) \[\frac{{{p}^{2}}{{t}^{2}}}{m}\]

    B) \[\frac{{{p}^{2}}{{t}^{2}}}{2m}\]

    C) \[\frac{{{p}^{2}}{{t}^{2}}}{3m}\]

    D) \[\frac{pt}{2m}\]

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  • question_answer3) A quarter horse power motor runs at a speed of 600 rpm. Assuming 40% efficiency the work done by the motor in one rotation will be

    A) 7.46 J

    B) 7400 J

    C) 7.46 erg

    D) 74.6 J

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  • question_answer4) A research satellite of mass 200 kg circle the earth in an orbit of average radius\[\frac{3R}{2},\]where is the radius of the earth. Assuming the gravitational pull on a mass of 1 kg on the earths surface to. be 10 N, the pull on the satellite will be

    A) 880 N

    B) 889 N

    C) 890 N

    D) 892 N

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  • question_answer5) A box whose mass is 5 kg lies on a spring balance inside a lift. The lift starts to ascend with an acceleration of\[2\text{ }m{{s}^{-2}}\]. The reading of the machine or balance is\[(g=10\text{ }m{{s}^{-2}})\]

    A) 50kg

    B) zero

    C) 49kg

    D) 60kg

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  • question_answer6) A ball of mass 0.5 kg moving with a velocity of \[2\text{ }m{{s}^{-1}}\]strikes a wall normally and bounces back with the same speed. If the time of contact between the ball and wall is\[{{10}^{-3}}s,\]the average force exerted by the wall on the ball is

    A) 1125N

    B) 1000 N

    C) 500 N

    D) 2000 N

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  • question_answer7) A telescope has an objective of focal length 50 cm and an eye-piece of focal length 5 cm. The least distance of distinct vision is 25 cm. The telescope is focussed for distinct vision on a scale 200 cm away. The separation between the objective and the eye-piece is

    A) 75cm

    B) 60cm

    C) 71cm

    D) 74cm

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  • question_answer8) A radio transmitter radiates 1 kW power at a wavelength 198.6 m. How many photons does it emit per second?

    A) \[{{10}^{10}}\]

    B) \[{{10}^{20}}\]

    C) \[{{10}^{30}}\]

    D) \[{{10}^{40}}\]

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  • question_answer9) Consider the spectral line resulting from the transition from\[n=2\]to\[n=1,\]in atoms and ions given below. The shortest wavelength is produced by

    A) hydrogen atom

    B) deuterium atom

    C) singly ionized helium

    D) doubly ionized lithium

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  • question_answer10) The energy of an electron in excited hydrogen atom is\[-3.4eV\]. Then according to Bohrs theory, the angular momentum of the electron is

    A) \[2.1\times {{10}^{-34}}J-s\]

    B) \[3\times {{10}^{-34}}J-s\]

    C) \[2\times {{10}^{-34}}J-s\]

    D) \[0.5\times {{10}^{-34}}J-s\]

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  • question_answer11) If the speed of light were\[\frac{2}{3}\]of its present value, the energy released in a given atomic explosion would

    A) decrease by a factor\[\frac{2}{3}\]

    B) decrease by a factor\[\frac{4}{9}\]

    C) decrease by a factor\[\frac{5}{9}\]

    D) decrease by a factor\[\frac{\sqrt{5}}{9}\]

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  • question_answer12) A semiconductor has an electron concentration of \[8\times {{10}^{13}}/{{m}^{3}}\] and hole concentration of \[5.5\times {{10}^{12}}/{{m}^{3}}\]. The semiconductor is

    A) n-type

    B) p-type

    C) intrinsic semiconductor

    D) p-n junction

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  • question_answer13) In the figure shown below, which of the diodes are forward biased?

    A) 1, 2, 3

    B) 2, 4, 5

    C) 1, 3, 4

    D) 2, 3, 4

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  • question_answer14) In a streamline flow

    A) the speed of a particle always remains same

    B) the velocity of a particle always remains same

    C) the kinetic energies of all particles arriving at a given point are the same

    D) the moments of all the particles arriving at a given point are the same

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  • question_answer15) Mode of transmission of heat, in which heat is carried by the moving particles is

    A) radiation

    B) conduction

    C) convection

    D) wave motion

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  • question_answer16) The path difference between the two waves \[{{y}_{1}}={{a}_{1}}\sin \left( \omega t-\frac{2\pi x}{\lambda } \right)\]and \[{{y}_{2}}={{a}_{2}}cos\left( \omega t-\frac{2\pi x}{\lambda }+\phi \right)\]is

    A) \[\frac{\lambda }{2\pi }\phi \]

    B) \[\frac{\lambda }{2\pi }\left( \phi +\frac{\pi }{2} \right)\]

    C) \[\frac{2\pi }{\lambda }\left( \phi -\frac{\pi }{2} \right)\]

    D) \[\frac{2\pi }{\lambda }\phi \]

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  • question_answer17) Given below are four logic gate symbols. Those for OR, NOR and NAND are respectively

    A) 1, 4, 3

    B) 4, 1, 2

    C) 1, 3, 4

    D) 4, 2, 1

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  • question_answer18) Mass of the earth has been determined through

    A) use of Keplers\[\frac{{{T}^{2}}}{{{R}^{3}}}\]constancy law

    B) sampling the density of earths crust and using R

    C) Cavendishs determination of G and using R and r at surface

    D) use of periods of satellites at different heights above earths surface

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  • question_answer19) An electric motor operates on a 50 V supply and a current of 12 A. If the efficiency of the motor is 30%, what is the resistance of the winding of the motor?

    A) \[6\,\Omega \]

    B) \[4\,\Omega \]

    C) \[2.9\,\Omega \]

    D) \[3.1\,\Omega \]

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  • question_answer20) Two long straight wires are set parallel to each other. Each carries a current in the same direction and the separation between them is 2r. The intensity of the magnetic field mid-way between them is

    A) \[\frac{{{\mu }_{0}}i}{r}\]

    B) \[\frac{4{{\mu }_{0}}i}{r}\]

    C) zero

    D) \[\frac{{{\mu }_{0}}i}{4r}\]

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  • question_answer21) A galvanometer of resistance 200. is to be converted into an ammeter of range 1 A. If a current of 1 mA produces full scale deflection, the shunt required for the purpose is

    A) \[0.01\,\Omega \]

    B) \[0.05\,\Omega \]

    C) \[0.02\,\Omega \]

    D) \[0.04\,\Omega \]

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  • question_answer22) There are three voltmeters of the same range but of resistance\[10000\,\Omega ,8000\,\Omega \]and\[4000\,\Omega \] respectively. The best voltmeter among these is the one whose resistance is

    A) \[10000\,\Omega \]

    B) \[8000\,\Omega \]

    C) \[4000\,\Omega \]

    D) All are equally good

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  • question_answer23) Alternating current is transmitted to distant places

    A) at high voltage and low current

    B) at high voltage and high current

    C) at, low voltage and low current

    D) at low voltage and high current

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  • question_answer24) In a step-up transformer the voltage in the primary is 220 V and the current is 5 A. The secondary voltage is found to be 22000 V. The current in the secondary (neglect losses) is

    A) 5 A

    B) 50 A

    C) 500 A

    D) 0.05 A

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  • question_answer25) In a pure inductive circuit, current

    A) lags behind emf by\[\frac{\pi }{2}\]

    B) leads the emf by\[\frac{\pi }{2}\]

    C) lags behind by\[\pi \]

    D) leads the emf by\[\pi \]

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  • question_answer26) Two circuits have mutual inductance of 0.1 H. What average emf is induced in one circuit when the current in the other circuit changes from 0 to 20 A in 0.02s?

    A) 240 V

    B) 230 V

    C) 100 V

    D) 300 V

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  • question_answer27) Huygens principle of secondary wavelets may be used to

    A) find the velocity of light in vacuum

    B) explain the particle behaviour of light

    C) find the new position of a wavefront

    D) explain photoelectric effect

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  • question_answer28) In Youngs double slit experiment, the intensity of light coming from one of the slits is double the intensity from the other slit. The ratio of the maximum intensity to the minimum intensity in the interference fringe pattern observed is

    A) 34

    B) 40

    C) 25

    D) 38

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  • question_answer29) The refractive index of water is 1.33. The direction in which a man under water should look to see the setting sun is

    A) \[49{}^\circ \]to the horizontal

    B) \[90{}^\circ \]with the vertical

    C) \[49{}^\circ \]to the vertical

    D) along the horizontal

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  • question_answer30) When a stationary wave is formed then its frequency is

    A) same as that of the individual waves

    B) twice that of the individual waves

    C) half that of the individual waves

    D) \[\sqrt{2}\]that of the individual waves

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  • question_answer31) A person carrying a whistle emitting continuously a note of 272 Hz is running towards a reflecting surface with a speed of 18 km/h. The speed of sound in air is\[345\,m{{s}^{-1}}\]. The number of beats heard by him is

    A) 4

    B) 6

    C) 8

    D) 3

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  • question_answer32) The distance between charges\[5\times {{10}^{-11}}C\]and\[-2.7\times {{10}^{-11}}C\] is 0.2m. The distance at which is third charge should be placed from 4e in order that it will not experience any force along the line joining the two charges is

    A) 0.44 m

    B) 0.65 m

    C) 0.556m

    D) 0.350m

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  • question_answer33) Small rain drops of the same size are charged to potential V volt each. If\[n\]such drops coalesce to form a single drop, then the potential of the bigger drop is

    A) \[{{n}^{1/3}}V\]

    B) \[{{n}^{2/3}}V\]

    C) \[nV\]

    D) \[{{n}^{3/2}}V\]

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  • question_answer34) A small sphere is charged to a potential of 50 V and a big hollow sphere is charged to potential of 100 V. Charge will flow from the smaller sphere to the bigger one when

    A) the smaller one is placed inside the bigger one and connected by a wire

    B) the bigger one is placed inside the smaller one and connected by means of a wire

    C) bigger one placed by the side of the smaller one and connected by a wire

    D) smaller one placed by the side of the bigger one

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  • question_answer35) In the circuit, the potential difference across PQ will be nearest to

    A) 9.6 V

    B) 6.6 V

    C) 4.8 V

    D) 3.2 V

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  • question_answer36) If refractive index of a material of equilateral prism is\[\sqrt{3},\]then angle of minimum deviation of the prism is

    A) \[30{}^\circ \]

    B) \[45{}^\circ \]

    C) \[60{}^\circ \]

    D) \[75{}^\circ \]

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  • question_answer37) A long solenoid of length L has a mean diameter D. It has n layers of winding of N turns each. If it carries a currenti, the magnetic field at its centre will be

    A) proportional to D

    B) inversely proportional to D

    C) independent of D

    D) proportional to L

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  • question_answer38) A wire of length 100 cm is connected to a cell of emf 2 V and negligible internal resistance. The resistance of the wire is\[3\,\Omega ,\]the additional resistance required to produce a potential difference of 1 mV/cm is

    A) \[60\,\Omega \]

    B) \[47\,\Omega \]

    C) \[57\,\Omega \]

    D) \[35\,\Omega \]

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  • question_answer39) In the figure a carbon resistor has bands of different colours on its body as mentioned in the figure. The value of the resistance is

    A) \[2.2\,k\Omega \]

    B) \[3.3\,k\Omega \]

    C) \[5.6\,k\Omega \]

    D) \[9.1\,k\Omega \]

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  • question_answer40) An electron tube was sealed off during manufacture at a pressure of\[1.2\times {{10}^{-7}}\]mm of mercury at\[27{}^\circ C\]. Its volume is\[100\text{ }c{{m}^{3}}\]. The number of molecules that remain in the tube is

    A) \[2\times {{10}^{16}}\]

    B) \[3\times {{10}^{15}}\]

    C) \[3.86\times {{10}^{11}}\]

    D) \[5\times {{10}^{11}}\]

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  • question_answer41) A liquid wets a solid completely. The meniscus of the liquid in a sufficiently long tube

    A) flat

    B) concave

    C) convex

    D) cylindrical

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  • question_answer42) If\[{{I}_{1}}\]and\[{{I}_{2}}\]be the size of the images respectively for the two positions of lens in the displacement method, then the size of the object is given by

    A) \[\frac{{{I}_{1}}}{{{I}_{2}}}\]

    B) \[I\times {{I}_{2}}\]

    C) \[\sqrt{{{I}_{1}}\times {{I}_{2}}}\]

    D) \[\sqrt{\frac{{{I}_{1}}}{{{I}_{2}}}}\]

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  • question_answer43) A constant volume gas thermometer works on

    A) Archimedes principle

    B) Pascals law

    C) Boyles law

    D) Charleslaw

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  • question_answer44) The rate of emission of a black body at\[0{}^\circ C\]is R, its rate of emission at\[273{}^\circ C\]is

    A) 4R

    B) 8R

    C) 16 R

    D) 32 R

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  • question_answer45) The unit of specific conductivity is

    A) \[\Omega \,c{{m}^{-1}}\]

    B) \[\Omega \,c{{m}^{-2}}\]

    C) \[{{\Omega }^{-1}}\,cm\]

    D) \[{{\Omega }^{-1}}\,c{{m}^{-1}}\]

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  • question_answer46) When a thin metal plate is placed in the path of one of the interfering beams of light

    A) fringe width increases

    B) fringes disappear

    C) fringes become brighter

    D) fringes become blurred

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  • question_answer47) Two Nicols are oriented with their principal planes making an angle of\[60{}^\circ \]. The percentage of incident unpolarized light which passes through the system is

    A) 50%

    B) 100%

    C) 12.5%

    D) 37.5%

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  • question_answer48) In case of linearly polarized light, the magnitude of the electric field vector

    A) does not change with time

    B) varies periodically with time

    C) increases and decreases linearly with time

    D) is parallel to the direction of propagation

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  • question_answer49) A parallel beam of monochromatic light of wavelength 5000 A is incident normally on a single narrow slit of width 0.001 mm. The light is focused by a convex lens on a screen placed on the focal plane. The first minimum will be formed for the angle of diffraction equal to

    A) \[0{}^\circ \]

    B) \[15{}^\circ \]

    C) \[30{}^\circ \]

    D) \[60{}^\circ \]

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  • question_answer50) Capacitance (in Farad) of a spherical conductor with radius 1 m is

    A) \[1.1\times {{10}^{-10}}\]

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

    C) \[9\times {{10}^{-9}}\]

    D) \[{{10}^{-3}}\]

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  • question_answer51) The mass defect in a particular nuclear reaction is 0.3 g. The amount of energy liberated in killowatt hour is (velocity of light\[=3\times {{10}^{8}}m/s\])

    A) \[1.5\times {{10}^{6}}\]

    B) \[2.5\times {{10}^{6}}\]

    C) \[3\times {{10}^{6}}\]

    D) \[7.5\times {{10}^{6}}\]

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  • question_answer52) Fusion reaction is initiated with the help of

    A) low temperature

    B) high temperature

    C) neutrons

    D) any particle

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  • question_answer53) What is the respective number of\[\alpha \]and\[\beta \] particles emitted in the following radioactive decay? \[_{90}{{X}^{200}}{{\xrightarrow[{}]{{}}}_{80}}{{Y}^{168}}\]

    A) 6 and 8

    B) 8 and 8

    C) 6 and 6

    D) 8 and 6

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  • question_answer54) A photon and an electron have equal energy E \[{{\lambda }_{photon}}/{{\lambda }_{electron}}\]is proportional to

    A) \[\sqrt{E}\]

    B) \[\frac{1}{\sqrt{E}}\]

    C) \[\frac{1}{E}\]

    D) does not depend upon\[E\]

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  • question_answer55) A particle which has zero rest mass and non-zero energy and momentum must travel with a speed

    A) equal to c the speed of light in vacuum

    B) greater than c

    C) less than c

    D) tending to infinity

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  • question_answer56) The magnitude of current i in ampere unit is

    A) 0.1

    B) 0.3

    C) 0.6

    D) None of these

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  • question_answer57) The speed of light in vacuum depends on

    A) wavelength

    B) frequency

    C) velocity of the light source

    D) None of the above

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  • question_answer58) If\[{{\varepsilon }_{0}}\]and\[{{\mu }_{0}}\]are respectively, the electric permittivity and the magnetic permeability of free space, \[\varepsilon \] and\[\mu \]the corresponding quantities in a medium, the refractive index of the medium

    A) \[\sqrt{\frac{\mu \varepsilon }{{{\mu }_{0}}{{\varepsilon }_{0}}}}\]

    B) \[\frac{\mu \varepsilon }{{{\mu }_{0}}{{\varepsilon }_{0}}}\]

    C) \[\sqrt{\frac{{{\mu }_{0}}{{\varepsilon }_{0}}}{\mu \varepsilon }}\]

    D) \[\sqrt{\frac{\mu {{\mu }_{0}}}{\varepsilon {{\varepsilon }_{0}}}}\]

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  • question_answer59) The reason of seeing the sun a little before the sunrise is

    A) reflection of the light

    B) refraction of the light

    C) scattering of the light

    D) dispersion of the light

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  • question_answer60) Particles that are exchanged in weak interaction are

    A) mesons

    B) photons

    C) bosons

    D) gravitons

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  • question_answer61) The uncertainty in the position of an electron (mass\[9.1\times {{10}^{-28}}g\])moving with a velocity of \[3.0\times {{10}^{4}}cm\,{{s}^{-1}}\]accurate upto 0.011% will be

    A) 1.92 cm

    B) 7.68 cm

    C) 0.175 cm

    D) 3.84 cm

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  • question_answer62) For\[f-\]orbital the values of m are

    A) \[-2,-1,0,+1,+2\]

    B) \[-3,-2,-1,0,+1,+2,+3\]

    C) \[-1,0,+1\]

    D) \[0,+1,+2,+3\]

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  • question_answer63) One atom of an element weighs\[1.8\times {{10}^{-22}}g\]. Its atomic mass is

    A) 29.9

    B) 154

    C) 108.36

    D) 18

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  • question_answer64) The mass of oxygen that would be required to produce enough CO which completely reduces 1.6 kg\[F{{e}_{2}}{{O}_{3}}\](at. mass\[Fe=56\]), is

    A) 240 g

    B) 480 g

    C) 720g

    D) 960g

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  • question_answer65) If uncertainty in position and velocity are equal, then uncertainty in momentum will be

    A) \[\frac{1}{2}\sqrt{\frac{mh}{\pi }}\]

    B) \[\frac{1}{2}\sqrt{\frac{h}{\pi m}}\]

    C) \[\frac{h}{4\pi m}\]

    D) \[\frac{mh}{4\pi }\]

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  • question_answer66) The process of separation of colloids by passing through semipermeable membrane is called

    A) filtration

    B) electrophoresis

    C) dialysis

    D) ultrafiltration

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  • question_answer67) Which of the following metal sols cannot be prepared by Bredigs arc metliod?

    A) Copper

    B) Potassium

    C) Gold

    D) Platinum

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  • question_answer68) The standard emf of a cell involving one electron charge is found to be 0.591 V at\[25{}^\circ C\] The equilibrium constant of the reaction is \[(1F=96500\text{ }C\text{ mo}{{\text{l}}^{-1}},\text{ }R=8.314\text{ }J\text{ }{{K}^{-1}}mo{{l}^{-1}})\]

    A) \[1.0\times {{10}^{1}}\]

    B) \[1.0\times {{10}^{30}}\]

    C) \[1.0\times {{10}^{10}}\]

    D) \[1.0\times {{10}^{5}}\]

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  • question_answer69) 4.5 g of aluminium (at. mass 27 u) is deposited at cathode from a molten electrolyte containing\[A{{l}^{3+}}\]ions by a certain quantity of electric charge. The volume of hydrogen produced at STP from\[{{H}^{+}}\]ions in a solution by the same quantity of electric charge will be

    A) 44.8 L

    B) 11.2 L

    C) 22.4 L

    D) 5.6 L

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  • question_answer70) How many coulombs of electricity are required for reduction of 1 mole of\[MnO_{4}^{-}\]to\[M{{n}^{2+}}\]?

    A) 96500 C

    B) \[9.65\times {{10}^{6}}C\]

    C) \[4.83\times {{10}^{5}}C\]

    D) \[1.93\times {{10}^{5}}C\]

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  • question_answer71) The correct order of electron affinity of halogens is

    A) \[F>Cl>Br>I\]

    B) \[I>Br>Cl>F\]

    C) \[Cl>F>Br>I\]

    D) \[Cl>F<Br<I\]

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  • question_answer72) In which of the following arrangements, the order is not according to the property indicated after it in bracket?

    A) \[A{{l}^{3+}}<M{{g}^{2+}}<N{{a}^{+}}<{{F}^{-}}\] (Increasing ionic size)

    B) \[B<C<N<O\] (Increasing first ionisation energy)

    C) \[I<Br<F<Cl\] (Increasing electron gain enthalpy)

    D) \[Li<Na<K<Rb\] (Increasing metallic radius)

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  • question_answer73) The number of moles of\[KMn{{O}_{4}}\]reduced by one mole of KI in alkaline medium is

    A) one

    B) two

    C) five

    D) one fifth

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  • question_answer74) Oxidation number of S in\[{{H}_{2}}{{S}_{2}}{{O}_{8}}\]is

    A) \[+2\]

    B) \[+4\]

    C) \[+3\]

    D) \[+6\]

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  • question_answer75) For the redox reaction, \[Zn+NO_{3}^{-}\xrightarrow[{}]{{}}Z{{n}^{2+}}+NH_{4}^{+}\] in basic medium, coefficients of\[Zn,NO_{3}^{-},\]and \[O{{H}^{-}}\]in the balanced equation respectively, are

    A) 4, 1, 7

    B) 7, 4, 1

    C) 4, 1, 10

    D) 1, 4, 10

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  • question_answer76) A buffer solution is used in

    A) preparation of potash alum

    B) the removal of\[PO_{4}^{3-}\]ions

    C) increasing the pH value of a solution

    D) precipitation of\[Cr{{(OH)}_{3}}\]from\[CrC{{l}_{3}}\]

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  • question_answer77) BOH is a weak base. Molar concentration of, BOH that provides a\[[O{{H}^{-}}]\] of\[1.5\times {{10}^{-3}}M\]is \[[Kb(BOH)=1.5\times {{10}^{-5}}]\]

    A) \[1.5\times {{10}^{-5}}M\]

    B) 0.015 M

    C) 0.0015 M

    D) 0.15 M

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  • question_answer78) Both\[HCOOH\]and\[C{{H}_{3}}COOH\]solutions have equal pH. If\[\frac{{{K}_{1}}}{{{K}_{2}}}\](ratio of acid ionization constants) of these acids is 4, their molar concentration ratio will be

    A) 2

    B) 0.5

    C) 4

    D) 0.25

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  • question_answer79) 8.2 L of an ideal gas weighs 9.0 g at 300 K and 1 atm pressure. The molecular mass of gas is

    A) 9

    B) 27

    C) 54

    D) 81

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  • question_answer80) At relatively high pressure, van der Waals equation reduces to

    A) \[pV=RT\]

    B) \[pV=RT-\frac{a}{V}\]

    C) \[pV=RT-\frac{a}{{{V}^{2}}}\]

    D) \[pV=RT+pb\]

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  • question_answer81) Chlorobenzene reacts with Mg in dry ether to give a compound [A] which further reacts with ethanol to give

    A) phenol

    B) benzene

    C) ethylbenzene

    D) phehyl ether

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  • question_answer82) Friedel-Crafts reaction of bromobenzene- with methyl iodide gives

    A) o-bromotoluene

    B) p-bromotoluene

    C) o-and p-bromotoluene

    D) m-bromotoluene

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  • question_answer83) Phenol is heated with\[CHC{{l}_{3}}\]and alcoholic\[KOH\]when salicylaldehyde is produced. This reaction is known as

    A) Rosenmunds reaction

    B) Reimer-Tiemann reaction

    C) Friedel-Crafts reaction

    D) Sommelet reaction

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  • question_answer84) Sulphonation of phenol with cone.\[{{H}_{2}}S{{O}_{4}}\]at 288-293 K gives

    A) o-phenol sulphonic acid

    B) sulphanilic acid

    C) p-phenol sulphonic acid

    D) sulphone

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  • question_answer85) Which of the following is most acidic?

    A)

    B)

    C)

    D)

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  • question_answer86) Which of the following will respond to Cannizaros reaction?

    A) 2, 2-dimethylpropanal

    B) Acetaldehyde

    C) Propionaldehyde

    D) Cinnamaldehyde

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  • question_answer87) Oxidation of toluene with\[Cr{{O}_{3}}\]in the presence of\[{{(C{{H}_{3}}CO)}_{2}}O\]gives a product which on treatment with aqueous\[NaOH\]produces

    A) \[{{C}_{6}}{{H}_{5}}CHO\]

    B) \[{{({{C}_{6}}{{H}_{5}}CO)}_{2}}O\]

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

    D) 2, 4-diacetyl toluene

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  • question_answer88) Calcium formate on dry heating yields

    A) acetone

    B) formaldehyde

    C) acetic acid

    D) acetaldehyde

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  • question_answer89) The acidic nature of carboxylic acids \[RCOOH\xrightarrow[{}]{{}}RCO{{O}^{-}}+{{H}^{+}}\]is due to

    A) high degree of ionisation of carboxylic acids

    B) greater resonance stabilization of the carboxylic acid over the carboxylate ion

    C) greater resonance stabilization of the carboxylate ion over carboxylic acid

    D) solubility of carboxylic acids in water

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  • question_answer90) When propionic acid is treated with aqueous sodium bicarbonate,\[C{{O}_{2}}\]is liberated. The C of \[C{{O}_{2}}\]comes from

    A) methyl group

    B) carboxylic acid group

    C) methylene group

    D) bicarbonate

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  • question_answer91) What is the coordination number of cobalt in\[[Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\]?

    A) 2

    B) 4

    C) 6

    D) 3

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  • question_answer92) \[{{[Ni{{(CN)}_{4}}]}^{2-}}\]ion is diamagnetic and it involves the following hybridisation

    A) \[ds{{p}^{2}}\]

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

    C) \[{{d}^{2}}s{{p}^{3}}\]

    D) \[s{{p}^{3}}{{d}^{2}}\]

    View Answer play_arrow
  • question_answer93) The IUPAC name of \[K[Ag{{(CN)}_{2}}]\]is

    A) dicyanopotassiumargentate (I)

    B) dicyanopotassiumargentate (II)

    C) potassiumdicyanoargentate (I)

    D) potassiumdicyanoargentate (II)

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  • question_answer94) The most active metals are extracted from their ores by the reduction by

    A) hydrogen

    B) aluminium

    C) electrolysis

    D) carbon

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  • question_answer95) Cerrusite is an ore of

    A) \[Na\]

    B) \[Cu\]

    C) \[Pb\]

    D) \[Fe\]

    View Answer play_arrow
  • question_answer96) \[{{t}_{1/2}}\]for a first order reaction is 10 min. Starting with 10 M, the rate after 20 min is

    A) \[0.0693\text{ }M\text{ }mi{{n}^{-1}}\]

    B) \[0.0693\times 5\text{ }M\text{ }mi{{n}^{-1}}\]

    C) \[0.0693\times 2.5\text{ }M\text{ }mi{{n}^{-1}}\]

    D) \[0.0693\times 10\text{ }M\text{ }mi{{n}^{-1}}\]

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  • question_answer97) When we increase temperature, the rate of reaction increases because of

    A) more number of collisions

    B) decrease in mean free path

    C) more number of energetic collisions

    D) less number of energetic collisions

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  • question_answer98) Lowering of vapour pressure of an aqueous solution of a non-volatile, non-electrolyte 1 m aqueous solution at\[100{}^\circ C\]is

    A) 14.12 Torr

    B) 312Torr

    C) 13.45 Torr

    D) 352 Torr

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  • question_answer99) 0.5 M of\[{{H}_{2}}S{{O}_{4}}\]is diluted from 1 L to 10 L, normality of resulting solution is

    A) 1 N

    B) 0.1 N

    C) 10 N

    D) 11N

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  • question_answer100) For tetrahedral coordination the radius ratio \[\left( \frac{{{r}^{+}}}{{{r}^{-}}} \right)\]should be

    A) 0.414-0.732

    B) > 0.732

    C) 0.156-0.225

    D) 0.225-0.414

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  • question_answer101) Aluminium has fee structure. The length of the unit cell is 404 pm. If the density of the metal is\[2.7\text{ }g\text{ }c{{m}^{-3}},\]the molar mass of Al atom is

    A) \[28\,g\,mo{{l}^{-1}}\]

    B) \[30\,g\,mo{{l}^{-1}}\]

    C) \[26.80\text{ }g\,mo{{l}^{-1}}\]

    D) \[25\,g\,mo{{l}^{-1}}\]

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  • question_answer102) In a reversible process, \[\Delta {{S}_{sys}}+\Delta {{S}_{surr}}\]is

    A) \[>0\]

    B) \[<0\]

    C) \[\ge 0\]

    D) \[=0\]

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  • question_answer103) \[\Delta G\]for a reaction at 300 K is\[-16\text{ }kcal\]and\[\Delta H\] is\[-10\text{ }kcal\]. The entropy of the reaction is

    A) \[20\,cal\,{{K}^{-1}}\]

    B) \[86.6\,cal\,{{K}^{-1}}\]

    C) \[166\,cal\,{{K}^{-1}}\]

    D) \[100\,cal\,{{K}^{-1}}\]

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  • question_answer104) The heat change for the. following reaction at 298 K and constant pressure is\[+7.3\text{ }kcal\]. \[{{A}_{2}}B(s)\xrightarrow[{}]{{}}2A(s)+\frac{1}{2}{{B}_{2}}(g);\]\[\Delta H=+7.3\text{ }kcal\] The heat change at constant volume would be

    A) \[+7.3\text{ }kcal\]

    B) more than 7.3 kcal

    C) less than 7.3 kcal

    D) zero

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  • question_answer105) The forces acting between noble gas atoms are

    A) van der Waals forces

    B) ion-dipole forces

    C) London-dispersion forces

    D) magnetic forces

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  • question_answer106) The coloured discharge tubes for a advertisement mainly contain

    A) xenon.

    B) helium

    C) neon

    D) argon

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  • question_answer107) A catalyst that can be employed for Friedel-Crafts acylation is

    A) anhydrous\[CuC{{l}_{2}}\]

    B) anhydrous BCL

    C) anhydrous\[CaC{{l}_{2}}\]

    D) hydrated\[AlC{{l}_{3}}\]

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  • question_answer108) Which of the following when treated with super heated steam under pressure gives benzene?

    A) Benzene sulphonic acid

    B) Benzyl chloride

    C) Bromobenzene

    D) Nitrobenzene

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  • question_answer109) Acetamide is treated separately with the following reagents. Which one of these would give methyl amme?

    A) \[PC{{l}_{5}}\]

    B) \[NaOH+B{{r}_{2}}\]

    C) Soda lime

    D) Hot cone.\[{{H}_{2}}S{{O}_{4}}\]

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  • question_answer110) Reaction of nitrous acid with aliphatic primary amine in cold gives

    A) a diazonium salt

    B) an alcohol

    C) a nitrite

    D) a dye

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  • question_answer111) When sucrose is heated with cone.\[HN{{O}_{3}},\]the product formed is

    A) sucrose nitrate

    B) adipicacid

    C) oxalic acid

    D) citric acid

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  • question_answer112) Glucose forms many derivatives- The derivative which will help to prove the furanose structure is

    A) osazone

    B) benzoyl

    C) acetyl

    D) isopropylidene

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  • question_answer113) Sangers reagent is used for the identification of

    A) N-termmal of a peptide chain

    B) C-terminal of a peptide chain

    C) side chain of amino acids

    D) None of the above

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  • question_answer114) Drying oil invariably contains

    A) linoleic acid

    B) lauric acid

    C) stearic acid

    D) butyric acid

    View Answer play_arrow
  • question_answer115) How many bonds does\[{{B}_{2}}\]have?

    A) 0

    B) 1

    C) 2

    D) 3

    View Answer play_arrow
  • question_answer116) \[N{{H}_{3}}\]hass higher boiling point than expected because

    A) it forms\[N{{H}_{4}}OH\]with water

    B) it has strong intermolecular hydrogen bonds

    C) it has intramolecular hydrogen bonds

    D) its density decreases on freezing

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  • question_answer117) The first ionization energies of the elements of the first transition series\[(Ti\xrightarrow[{}]{{}}Cu)\]

    A) increase as the atomic number increases

    B) decrease as the atomic number increases

    C) do not show any change as the addition of electrons takes place in the inner\[(n-1)d\] orbitals

    D) increase from\[Ti\]to\[Mn\]and then decrease from\[Mn\]to\[Cu\]

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  • question_answer118) Excess of sodium hydroxide reacts with zinc to

    A) \[Zn{{H}_{2}}\]

    B) \[N{{a}_{2}}Zn{{O}_{2}}\]

    C) \[ZnO\]

    D) \[Zn{{(OH)}_{2}}\]

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  • question_answer119) Optical isomerism arises from the presence of

    A) a centre of symmetry

    B) a line of symmetry

    C) an asymmetric carbon atom

    D) Any of the above

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  • question_answer120) Meso-tartaric acid is optically inactive due to the

    A) molecular symmetry

    B) molecular asymmetry

    C) external compensation

    D) None of the above

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  • question_answer121) The respiratory quotient during cellular respiration would depend on

    A) the nature of enzymes involved

    B) the nature of the substrate

    C) the amount of carbon dioxide released

    D) the amount of oxygen utilized

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  • question_answer122) Which of the following is not a green-house gas.

    A) water vapour

    B) Carbon monoxide

    C) Methane

    D) Oxygen

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  • question_answer123) Both husband and wife have normal vision though their fathers were colourblind and mothers did not have any gene for colourblindness. The probability of their daughters becoming colourblind is

    A) 50 %

    B) 75 %

    C) 0 %

    D) 25 %

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  • question_answer124) An animal,-which has both exoskeletal and endoskeletal structures is a

    A) freshwater mussel

    B) tortoise

    C) frog

    D) jelly fish

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  • question_answer125) \[2n=16\]in a primary spermatocyte, which is in metaphase of first meiotic division: What shall be the total number of chromatids in each of the secondary spermatocyte?

    A) 32

    B) 8

    C) 16

    D) 24

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  • question_answer126) Identify the group, which includes animals all of which give birth to young ones directly?

    A) Dolphin, kangaroo, bat, cat

    B) Platypus, penguin, bat, hippopotamus

    C) Shrew, bat, kiwi, cat

    D) Lion, whale, ostrich, bat

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  • question_answer127) Compare the statements A and B.

    Statement A Blood sugar level falls rapidly after hepatectomy.
    Statement B The glycogen of the liver is the principal source of blood sugar.
    Select the correct description:

    A) Both the statements A and B are correct and B is the reason for A

    B) Statement A is correct and B is wrong

    C) Statement A is wrong and B is correct

    D) Both the statements A and B are correct and B is not the reason for A

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  • question_answer128) What is/are true about heart wood?

    (a) It does not help in water conduction.
    (b) It is also called alburnum.
    (c) If is dark in colour but very soft.
    (d) It has tracheary elements, which are filled with tannin, resin, etc.

    A) B, C and D

    B) A and D

    C) B and D

    D) A, B and C

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  • question_answer129) Compare the statements A and B.

    Statement A Auxins promote apical dominance by suppressing the activity of lateral buds.
    Statement B In moriculture, periodic pruning of shoot tips is done to make mulberry plants bushy.
    Select the correct description.

    A) Both the statements A and B are correct and A is the reason for B

    B) Statement A is correct and B is wrong

    C) Statement A is wrong and B is correct

    D) Both the statements A and B are correct and A is not the reason for B

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  • question_answer130) Bryophytes resemble algae in the following aspects

    A) Filamentous body, presence of vascular tissues and autotrophic nutrition

    B) Differentiation of plant body into root, stem and leaves and autotrophic nutrition

    C) Thallus like plant body, presence of roots and autotrophic nutrition

    D) Thallus like plant body, lack of vascular tissues and autotrophic nutrition

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  • question_answer131) Compare the statements A and B.

    Statement A A monocistronic \[mRNA\] can produce several types of polypeptide chains.
    Statement B The terminator codon is present on the\[mRNA\].
    Select the correct description.

    A) Both the statements A and B are wrong

    B) Statement A is correct and B is wrong

    C) Statement A is wrong and B is correct

    D) Both the statements A and B are correct

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  • question_answer132) Stoma opens, when

    A) guard cells swell due to an increase in their water potential

    B) guard cells swell by endosmosis due to influx of hydrogen ions (protons)

    C) guard cells swell by endosmosis due to efflux of potassium ions

    D) guard cells swell due to a decrease in their water potential

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  • question_answer133) Which of the following is properly matched?

    A) Platyhelminthes-Trematoda-Planaria

    B) Echinodermata-Asteroidea-Star fish

    C) Arthropoda-Insecta-Spider

    D) Mollusca-Cephalopoda-Unio

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  • question_answer134) A man is admitted to a hospital. He is suffering from an abnormally low body temperature, loss of appetite and extreme thirst. His brain scan would probably show a tumour in

    A) medulla oblongata

    B) pons

    C) cerebellum

    D) hypothalamus

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  • question_answer135) Identify the incorrect statement with respect to Calvin cycle

    A) The carboxylation of\[RuBP\]is catalysed by rubisco

    B) The first stable intermediate compound formed is phosphoglycerate

    C) 18 molecules of ATP are synthesized during carbon fixation

    D) NADPH\[+{{H}^{+}}\]produced in light reaction is used to reduce diphosphoglycerate

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  • question_answer136) The agents, which are known to cause\[CJD\]are

    A) protein particles

    B) a class of bacteria

    C) a class of viruses

    D) fungi

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  • question_answer137) In crop improvement programmes, virus-free clones can be obtained through

    A) grafting

    B) hybridization

    C) embryo culture

    D) shoot apex culture

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  • question_answer138) A person is suffering from frequent episodes of nasal discharge, nasal congestion, reddening of eyes and watery eyes. These are the symptoms of

    A) cyanosis

    B) bronchitis

    C) rhinitis

    D) bronchial carcinoma

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  • question_answer139) Some important events in the human female reproductive cycle are given below. Arrange the events in a proper sequence.

    A: Secretion of FSH
    B: Growth of corpus luteum
    C: Growth of the follicle and oogenesis
    D: Ovulation
    E: Sudden increase in the levels of LH

    A) \[C\to A\to D\to B\to E\]

    B) \[A\to C\to E\to D\to B\]

    C) \[A\to D\to C\to E\to B\]

    D) \[B\to A\to C\to D\to E\]

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  • question_answer140) Compare the statements A and B.

    Statement A Ranikhet disease is the disease of poultry.
    Statement B It is caused by a virus.
    Select the correct description.

    A) Both the statements A and B are correct

    B) Statement A is correct and B is wrong

    C) Statement A is wrong and B is correct

    D) Both the statements A and B are wrong

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  • question_answer141) The offspring produced from a marriage have only\[O\]or A blood groups. Of the genotypes given below, the possible genotypes of the parents would be

    A) \[{{I}^{A}}{{I}^{A}}\]and\[{{I}^{A}}{{I}^{O}}\]

    B) \[{{I}^{O}}{{I}^{O}}\]and\[{{I}^{O}}{{I}^{O}}\]

    C) \[{{I}^{A}}{{I}^{A}}\]and\[{{I}^{O}}{{I}^{O}}\]

    D) \[{{I}^{A}}{{I}^{O}}\]and\[{{I}^{O}}{{I}^{O}}\]

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  • question_answer142) A dorsal horn. is present on the ......... of mulberry silk worm (caterpillar)

    A) head

    B) 8th abdominal segment

    C) 5th abdominal segment

    D) 2nd thoracic segment

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  • question_answer143) A plant has an androecium with monadelphous stamens, monothecous and reniform anthers. The corolla exhibits contorted aestivation. The plant could be

    A) Rauwolfia

    B) Vmca

    C) Nerium

    D) Hibiscus

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  • question_answer144) Transpiration facilitates

    A) electrolyte balance

    B) opening of stomata

    C) absorption of water by roots

    D) excretion of minerals

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  • question_answer145) The cross-section of the body of an invertebrate is given below. Identify die animal, which has this body plan.

    A) Cockroach

    B) Roundworm

    C) Planarm

    D) Earthworm

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  • question_answer146) In an experiment demonstrating the evolution of oxygen in Hydrilla, sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favourable?

    A) Amount of oxygen evolved decreases as carbon dioxide in water is absorbed by sodium bicarbonate

    B) Amount of oxygen evolved increases as the availability of carbon dioxide increases

    C) Amount of oxygen evolved decreases as the availability of carbon dioxide increases.

    D) Amount of oxygen evolved increases as carbon dioxide in water is absorbed by sodium bicarbonate

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  • question_answer147) Which substance is in higher concentration in blood than in glomerular filtrate?

    A) Water

    B) Glucose

    C) Urea

    D) Plasma proteins

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  • question_answer148) All the following are included under in situ conservation except

    A) botameal garden

    B) biosphere reserve

    C) national park

    D) sanctuary

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  • question_answer149) Match the compounds given in Column\[I\]with the number of carbon atoms present in them which are listed under Column II. Choose the\[I\]answer which gives the correct combination of alphabets of the two columns.

    Column-I Column-II
    A. Oxaloacetate 1. 6-C compound
    B. Phosphoglycer-aldehyde 2. 5-C compound
    C. Isocitrate 3. 4-C compound
    D. \[\alpha -\]ketoglutarate 4. 3-C compound
    5. 2-C compound

    A) A- 4 B-5 C- 2 D-3

    B) A- 3 B-4 C-1 D-2

    C) A-3 B-5 C-1 D-2

    D) A-2 B-4 C- 1 D-5

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  • question_answer150) Identify the correctly matched pair/pairs of the germ layers and their derivatives.

    [A] Ectoderm - Epidermis
    [B] Endoderm - Dennis
    [C] Mesoderm - Muscles
    [D] Mesoderm - Notochord
    [E] Endoderm - Enamel of teeth

    A) A, C and D only

    B) A, B, C and E only

    C) A and D only

    D) A and B only

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  • question_answer151) Identify the correct statement.

    A) Because of marked climatic variations, plants growing near the sea shore do not produce annual rings.

    B) The age of the plant can be determined by its height.

    C) Healing of damaged tissue is because of the activity of sclerenchyma cells.

    D) Grafting is difficult in monocot plants as they have scattered vascular bundles.

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  • question_answer152) Blood stains are found at the site of a murder. If DNA profiling technique is to be used for identifying the criminal, which of the following is ideal for use?

    A) Serum

    B) Erythrocytes

    C) Leucocytes

    D) Platelets

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  • question_answer153) During endocytosis,

    A) the cell divides its cytoplasm during mitosis

    B) the cell digests itself

    C) the cell engulfs and internalises materials using its membrane

    D) the cell enables the extracellular digestion of large molecules

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  • question_answer154) Match the names of the economically important plants (or their products) listed in Column I with the families to which they belong given in Column II. Choose the answer, which gives the correct combination of alphabets of the two columns.

    Column-I Column-II
    A. Sunflower 1. Acanthaceae
    B. Tulsi 2. Compositae
    C. Cofee 3. Labiatae
    D. vasaka 4. Rubiaceae
    5. Euphorbiaceae

    A) A-3 B-5 C-4 D-2

    B) A-2 B-3 C- 4 D-1

    C) A-2 B-4 C-1 D-5

    D) A- 4 B- 3 C-1 D- 2

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  • question_answer155) Which of the following hormones does not naturally occur in plants?

    A) 2, 4 - D

    B) IAA

    C) GA

    D) ABA

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  • question_answer156) A large quantity of fluid is filtered every day by the nephrons in the kidneys. Only about 1% of it is excreted as urine. The remaining 99% of the filtrate

    A) gets collected in the renal pelvis

    B) is lost as sweat

    C) is stored in the urinary bladder

    D) is reabsorbed into the blood

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  • question_answer157) When DNA replication starts

    A) the leading strand produces Okazaki fragments

    B) the hydrogen bonds between the nucleotides of two strands break

    C) the phosphodiester bonds between the adjacent nucleotides break

    D) the bonds between the nitrogen base and deoxyribose sugar break

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  • question_answer158) Fleshy fruits with stony endocarp are called

    A) capsules

    B) berries

    C) pomes

    D) drupes

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  • question_answer159) Which statement about photosynthesis is false?

    A) The electron carriers involved in photophosphorylation are located on the thylakoid membranes.

    B) Photosynthesis is a redox process, in which water is oxidised and carbon dioxide is reduced.

    C) The enzymes required for carbon fixation are located only in the grana of chloroplasts.

    D) In green plants, both PS-I and PS-II are required for the formation of NADPH\[+{{H}^{+}}\].

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  • question_answer160) Darwinism explains all the following except

    A) within each species, there are variations

    B) organisms tend to produce more number of offspring that can survive

    C) offspring with better traits that overcome competition are best suited for the environment

    D) variations are inherited from parents to offspring through genes

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  • question_answer161) Pollen grains of a plant whose\[2n=28\]are cultured to get callus by tissue culture method. What would be the number of chromosomes in the cells of the callus?

    A) 28

    B) 21

    C) 14

    D) 56

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  • question_answer162) A true breeding plant producing red flowers is crossed with a pure plant producing white flowers. Allele for red colour of flower is dominant. After selfing the plants of first filial generation, the proportion of plants producing white flowers in the progeny would be

    A) \[\frac{3}{4}\]

    B) \[\frac{1}{4}\]

    C) \[\frac{1}{3}\]

    D) \[\frac{1}{2}\]

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  • question_answer163) Which of the following prevents the conversion of prothrombin to thrombn in an undamaged bloodvessel?

    A) Heparin

    B) Calcium ions

    C) Thromboplastin

    D) Fibrinogen

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  • question_answer164) The characteristic that is shared by urea, uric acid and ammonia is/are [A] They are nitrogenous wastes. [B] They all need very large amount of water for excretion. [C] They are all equally toxic. [D] They are produced in the kidneys.

    A) A and C

    B) A and D

    C) A, C and D

    D) A only

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  • question_answer165) RBC and a plant cell (with thick cell wall) are placed in distilled water. The solute concentration is.the same in both the cells. What changes would be observed in them?

    A) Both plant cell and RBC would not undergo any change.

    B) The RBC would increase in size and burst while the plant cell would remain about the same size.

    C) The plant cell would increase in size and burst while the RBC would remain about the same size.

    D) Both plant cell and RBC would decrease in size and collapse.

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  • question_answer166) Which of the following hormones does not contain a polypeptide?

    A) Prostaglandin

    B) Oxytocin

    C) Insulin

    D) Antidiuretic hormone

    View Answer play_arrow
  • question_answer167) Ribose sugar is present in

    A) RNA polymerase, RNA and ATP

    B) RNA only

    C) RNA polymerase and ATP

    D) RNA and ATP

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  • question_answer168) Most of the endangered species are the victims of

    A) competition with introduced species

    B) habitat destruction

    C) over-hunting

    D) acid-rain

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  • question_answer169) Damage to thymus in a child pay lead to

    A) loss of cell-mediated immunity

    B) a reduction in the haemoglobin content in blood

    C) a reduction in the amount of plasma proteins

    D) loss of antibody-mediated immunity

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  • question_answer170) The diagram of the section of a maize grain is given below. Identify the parts labelled A, B, C and D.

    A)

    A B C D
    Endosperm Coleoptile Scutellum Aleurone layer

    B)

    A B C D
    Cotyledon Coleoptile Scutellum Epithelium

    C)

    A B C D
    Endosperm Coleoptile Scutellum Epithelium

    D)

    A B C D
    Endosperm Coleorrhiza Scutellum Epithelium

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  • question_answer171) Examples for lateral meristems are

    A) phellogen and procambium

    B) fascicular cambium and procambium

    C) procambium and dermatogen

    D) fascicular cambium and cork cambium

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  • question_answer172) Vitellogenesis occurs during the formation of

    A) primary oocyte in the Graafian follicle

    B) oogonial cell in the Graafian follicle

    C) ootid in the fallopian tube

    D) secondary oocyte in the fallopian tube

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  • question_answer173) A bacterium is capable of withstanding extreme heat, dryness and toxic chemicals. This indicates that it is probably able to form

    A) a thick peptidoglycan wall

    B) endospores

    C) endotoxins

    D) endogenous buds

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  • question_answer174) In the absence of enterokinase, the digestion of ......... would be affected in our intestine.

    A) maltose

    B) amino acid

    C) albumin

    D) starch

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  • question_answer175) The greatest threat to genetic diversity in agricultural crops is

    A) extensive use of insecticides and pesticides

    B) extensive mixed cropping

    C) introduction of high yielding varieties

    D) extensive use of fertilisers

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  • question_answer176) Nosema bombycis, which causes pebrine in silk worms is a

    A) fungus

    B) virus

    C) bacterium

    D) protozoan

    View Answer play_arrow
  • question_answer177) Palaeontologists unearthed a human skull during excavation, A small fragment of the scalp tissue was still attached to it. Only little DNA could be extracted from it. If the genes of the ancient man need to be analysed, the best way of getting sufficient amount of DNA from this extract is

    A) hybridising the DNA with a DNA probe

    B) subjecting the DNA to polymerase chain reaction

    C) subjecting the DNA to gel electrophoresis

    D) treating the DNA with restriction endonucleases

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  • question_answer178) Which of the following would be insignificant amount in xylem sap?

    A) Sugar

    B) Nitrates

    C) Phosphates

    D) Water

    View Answer play_arrow
  • question_answer179) If the person shows the production of interferons in his body, chances are that he is suffering from

    A) anthrax

    B) malaria

    C) measles

    D) tetanus

    View Answer play_arrow
  • question_answer180) The RER in the cell synthesized protein which would be later used in building the plasma membrane. But it is observed that the protein in the membrane is slightly different from the protein made in the RER. The protein was probably modified in another cell organelle. Identify that organelle in the given diagram.

    A) D

    B) A

    C) B

    D) C

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  • question_answer181) A teacher was explaining about a constant physical contact involving almost equal physiological interdependence in two different thalloid forms. He was trying to explain one of the following

    A) mycorrhizal association

    B) establishment of heterothallism

    C) operation of heterothallism

    D) advent of lichen formation

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  • question_answer182) In Duranta, the nature ofvasculated defensive structures represent the modification of

    A) axillary bud as in Bougainvillea

    B) terminal bud as in Carissa

    C) stipules as in Acacia

    D) apical bud as in Artabotrys

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  • question_answer183) There are 10 flowers in one individual plant of Crotalaria. In each microsporangium of every stamen of all the flowers, there are 30 microspore mother cells. How many pollen grains are formed from that plant?

    A) 4,000

    B) 10,000

    C) 24,000

    D) 48,000

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  • question_answer184) A perennial shrub has compound leaves and solitary zygbmorphic and epigynous flowers. Each flower reveals dichlamydeous condition with many stamens and multiple fruit with exalbuminous seeds. What is the ratio of advanced and primitive characters in it?

    A) \[1:2\]

    B) \[2:3\]

    C) \[1:1\]

    D) \[3:2\]

    View Answer play_arrow
  • question_answer185) The chemical substances found most abundantly in the middle lamella are released into the phragmoplast by

    A) endoplasmic reticulum

    B) Golgi complex

    C) spindle fragments

    D) interzonal fibres

    View Answer play_arrow
  • question_answer186) From evolutionary point of view, tracheids and sieve cells are more primitive than tracheae and sieve tubes respectively. The angiosperms have

    A) tracheae and sieve tubes

    B) tracheids, tracheae and sieve tubes

    C) tracheae, sieve cells and sieve tubes

    D) tracheids, tracheae and sieve cells

    View Answer play_arrow
  • question_answer187) In garden pea, yellow colour of cotyledons is dominant over green and round shape of seed is dominant over wrinkled. When a plant with yellow and round seeds is crossed with a plant having yellow and wrinkled seeds, the progeny showed segregation for all the four characters. The probability of obtaining green round seeds in the progeny of this cross is

    A) \[\frac{1}{4}\]

    B) \[\frac{1}{8}\]

    C) \[\frac{1}{16}\]

    D) \[\frac{3}{16}\]

    View Answer play_arrow
  • question_answer188) Two adjacent filaments of Spirogyra affinis each 10 cells participating in reproduction. How many new Spirogyra plants are produced during sexual reproduction?

    A) 5

    B) 10

    C) 20

    D) 40

    View Answer play_arrow
  • question_answer189) The osmotic potential and pressure potential of three cells (A, B, C) located in different parts of an actively transpiring plant are given below Identify these three cells as root hair, root cortical and leaf mesophyll cells respectively. The correct answer is

    Cell Osmotic Potential (MPa) Pressure Potential (MPa)
    A -0.87 0.44
    B -0.92 0.34
    C -0.68 0.27

    A) A, B, C

    B) A, C, B

    C) C, A, B

    D) B, C, A

    View Answer play_arrow
  • question_answer190) What is the amino acid sequence encoded by the base sequence:\[UCA\text{ }UUU\text{ }UCC\text{ }GGG\text{ }AGU\]of a\[mRNA\]segment?

    A) Methipnine - Phenylalanine - Serine - Glycine - Serine

    B) Glycine - Serine - Phenylalanine - Serine - Glycine

    C) Serine - Phenylalanine - Serine - Glycine - Serine

    D) Serine - Phenylalanine - Glycine - Serine-Glycine

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  • question_answer191) The type of connective tissue that is associated with the umbillical cord is

    A) areolar connective tissue

    B) jelly-like connective tissue

    C) adipose connective tissue

    D) reticular connective tissue

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  • question_answer192) In cockroach, which of the following is the principal motor centre?

    A) Supraoesophageal ganglia

    B) Suboesophageal ganglia

    C) Metathoracic ganglia

    D) Abdominal ganglia

    View Answer play_arrow
  • question_answer193) The growth of a population without limit at its maximal rate and also that, rates of immigration and emigration are equal, then it is called

    A) carrying capacity

    B) biotic potential

    C) positive growth

    D) negative growth

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  • question_answer194) In coelomates the problem of diffusion of food from gut to tissues is solved by

    A) the presence of coelomic fluid

    B) churning the food within the body cavity

    C) developing a circulatory system

    D) developing gut associated glands

    View Answer play_arrow
  • question_answer195) Identify the region where all\[N{{a}^{+}}\]channels are reactivated but closed and all\[{{K}^{+}}\]channels are closed.

    A) D

    B) C

    C) B

    D) A

    View Answer play_arrow
  • question_answer196) The glycoprotein layer between oocytes and cuboidal cells in ovary of rabbit is

    A) membrana granulosa

    B) zona pellucida

    C) corpus luteum

    D) zona reticulate

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  • question_answer197) The urine is

    A) hypotonic to blood and isotonic in medullary fluid

    B) hypertonic to blood and isotonic to medullary fluid

    C) isotonic to blood and hypotonic to medullary fluid

    D) isotonic to blood and hypertonic to medullary fluid

    View Answer play_arrow
  • question_answer198) The extinct reptiles without temporal fossae belong to

    A) Chelonia

    B) Synaptosauria

    C) Ichthyopterygia

    D) Cotylosauria

    View Answer play_arrow
  • question_answer199) In the above given pedigree, assume that no outsider marrying in, carry a disease. Write the genotypes of II and III.

    A) All\[{{X}^{d}}Y\]

    B) \[{{X}^{D}}Y\]and\[{{X}^{D}}{{X}^{d}}\]

    C) \[{{X}^{d}}X\,\,{{X}^{d}}Y\]and\[{{X}^{d}}{{Y}^{D}}\]

    D) \[{{X}^{d}}{{X}^{d}}\]and\[{{X}^{d}}Y\]

    View Answer play_arrow
  • question_answer200) A woman with blood group\[O\]has a child with blood group\[O\]. She claims that a man with blood group A as the father of her child. What would be the genotype of the father, if her claim is right?

    A) \[{{I}^{O}}{{I}^{O}}\]

    B) \[{{I}^{A}}{{I}^{B}}\]

    C) \[{{I}^{A}}{{I}^{O}}\]

    D) \[{{I}^{B}}{{I}^{O}}\]

    View Answer play_arrow
  • question_answer201) After submitting his resignation, Albert came out worried about

    A) a shelter

    B) cigarettes

    C) a job

    D) the next available train

    View Answer play_arrow
  • question_answer202) Albert was sad and depressed because

    A) he had no money for the train journey

    B) he had to walk on a long road

    C) he was not able to buy cigarettes

    D) he was worried about finding a job

    View Answer play_arrow
  • question_answer203) There was no cigarette shop on that road because

    A) smoking was banned in that area

    B) just by chance nobody had opened one on that road

    C) it was a very narrow road

    D) cigarette-shop owners do not make any profit

    View Answer play_arrow
  • question_answer204) Albert decided not to look for a new job because

    A) the thought of having to look for a job greatly distressed him

    B) he did not want to work at all

    C) there was no hope of finding a job

    D) he saw the possibility of self- employment

    View Answer play_arrow
  • question_answer205) A cigarette shop on a busy road was bound to be profitable because

    A) cigarette shops are known to make a great deal of profit

    B) any shop on a busy street would attract a large number of customers

    C) cigarettes are inexpensive items and people buy them willingly

    D) a cigarette shop on a busy road would attract a large number of customers

    View Answer play_arrow
  • question_answer206) Scientific psychology recognises a ..,206.., truth that no two individuals are... 207... in this world... 208..., equality is a fostered norm of civil society, the truth is that men...209...unequals in ... 210.. .hues or degrees.

    A) clear

    B) real

    C) simple

    D) direct

    View Answer play_arrow
  • question_answer207) Scientific psychology recognises a ..,206.., truth that no two individuals are... 207... in this world... 208..., equality is a fostered norm of civil society, the truth is that men...209...unequals in ... 210.. .hues or degrees.

    A) alike

    B) close

    C) liked

    D) equal

    View Answer play_arrow
  • question_answer208) Scientific psychology recognises a ..,206.., truth that no two individuals are... 207... in this world... 208..., equality is a fostered norm of civil society, the truth is that men...209...unequals in ... 210.. .hues or degrees.

    A) when

    B) since

    C) as

    D) even though

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  • question_answer209) Scientific psychology recognises a ..,206.., truth that no two individuals are... 207... in this world... 208..., equality is a fostered norm of civil society, the truth is that men...209...unequals in ... 210.. .hues or degrees.

    A) will

    B) are

    C) is

    D) was

    View Answer play_arrow
  • question_answer210) Scientific psychology recognises a ..,206.., truth that no two individuals are... 207... in this world... 208..., equality is a fostered norm of civil society, the truth is that men...209...unequals in ... 210.. .hues or degrees.

    A) high

    B) total

    C) no

    D) varying

    View Answer play_arrow
  • question_answer211) Directions: In each of the following questions, choose the alternative which best expresses the meaning of the word given in capital letters. INDIGENOUS

    A) Normal

    B) Internal

    C) Natural

    D) Native

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  • question_answer212) Directions: In each of the following questions, choose the alternative which best expresses the meaning of the word given in capital letters. OPULENT

    A) Greedy

    B) Hungry

    C) Heavy

    D) Wealthy

    View Answer play_arrow
  • question_answer213) Directions: In each of the following questions, choose the alternative which best expresses the meaning of the word given in capital letters. SANGUINE

    A) Splotched

    B) Itching

    C) Optimistic

    D) Furry

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  • question_answer214) Directions: In each of the following questions, choose the alternative which best expresses the meaning of the word given in capital letters. MERE

    A) Some

    B) Empty

    C) Only

    D) Complete

    View Answer play_arrow
  • question_answer215) Science of printing

    A) Calligraphy

    B) Typography

    C) Topography

    D) Cryptography

    View Answer play_arrow
  • question_answer216) Man whose wife has been unfaithful to him

    A) Dandy

    B) Bastard

    C) Concubine

    D) Cuckold

    View Answer play_arrow
  • question_answer217) Our conception of    

    A) Our conception of   

    B) / what should a science of mental life be

    C) / has changed considerably since Jamess time.

    D) / No error,

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  • question_answer218) We grieve our loss and cry helplessly

    A) We grieve our loss and cry helplessly

    B) / while we should be fighting for our rights

    C) /and die a noble death,

    D) / No error,

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  • question_answer219) Work hard

    A) Work hard

    B) / lest you will

    C)  / fail.

    D)  / No error,

    View Answer play_arrow
  • question_answer220) My friend did not see me

    A) My friend did not see me

    B) My friend did not see me

    C) /when I met him last week.

    D) /No error,

    View Answer play_arrow
  • question_answer221) Directions: In the following questions, choose the option which shows common feature in the relationship given in each question. Abhi Bhattacharya : Utpal Dutt: Satyajit Ray

    A) They are character actors

    B) They are directors of Bengali movies

    C) They are famous actors who were awarded Padma Shri

    D) All these late silver screen personalities belonged to Bengal

    View Answer play_arrow
  • question_answer222) Directions: In the following questions, choose the option which shows common feature in the relationship given in each question. Kwanza : France : Lempira

    A) These are ancient towns

    B) These are princely states

    C) These are famous fishing grounds

    D) These are currencies

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  • question_answer223) Directions: In the following questions, choose the option which shows common feature in the relationship given in each question. Aphids : Weevils : Locusts

    A) These are plant pests

    B) These damage the wood

    C) These live inside the. host

    D) These cause diseases in cattle

    View Answer play_arrow
  • question_answer224) Directions: In the following questions, choose the option which shows common feature in the relationship given in each question. Slumber : Drowze : Snooze

    A) They are medical terms

    B) The words are connected with sleep

    C) The terms are connect with peace

    D) They are first symptoms of somnambulism

    View Answer play_arrow
  • question_answer225) Directions: In the following questions, choose the option which shows common feature in the relationship given in each question. Knot: Watt: Fathom

    A) The terms are used by sailors

    B) The terms are used for installing electricity

    C) The terms are connected with rope

    D) They are units of measurement

    View Answer play_arrow
  • question_answer226) Directions: In the following questions, choose the group of words that shows the same relationship as given at the top of every question. Pink : Red : White

    A) Orange : Yellow : Black

    B) Green : Blue : Yellow

    C) Yellow; Red : Green

    D) Brown : Black : Blue

    View Answer play_arrow
  • question_answer227) Directions: In the following questions, choose the group of words that shows the same relationship as given at the top of every question. Lizard : Reptile : Insects

    A) Fox : Wolf: Forest

    B) Fly : Insect: Bee

    C) Man : Omnivorous : Meat

    D) Tiger : Mammal: Deer

    View Answer play_arrow
  • question_answer228) Directions: In the following questions, choose the group of words that shows the same relationship as given at the top of every question. Play: Win : Lose

    A) Accident: Death : Survive

    B) Examination : Success : Determination

    C) Read : Book : Magazine

    D) Music : Dance : Art

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  • question_answer229) Directions: In the following questions, choose the group of words that shows the same relationship as given at the top of every question. Hand : Wrist: Bangle

    A) Neck : Head : Collar

    B) Foot: Ankle : Anklet

    C) Foot: Socks : Toes

    D) Toe : Foot: Knee

    View Answer play_arrow
  • question_answer230) Directions: In the following questions, choose the group of words that shows the same relationship as given at the top of every question. Complexion : White : Black

    A) Alert: Intelligent: Babies

    B) Health : Disease : Hospital

    C) Train : Bus : Journey

    D) Officer : Honest: Corrupt

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  • question_answer231) Which of the following is not correct about the ITER project at Cadarache?

    A) It is based on hydrogen plasma forms operating, at over 100 million\[{}^\circ C\]

    B) It will start its first plasma operation in 2016

    C) Belgium is providing software support for this reactor

    D) Cadarache is located in France

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  • question_answer232) Which of the following is not correctly matched pair?

    A)

    Ships Launch
    INSShardul April 2004

    B)

    Ships Launch
    INS Kesari June 2005

    C)

    Ships Launch
    INSAirawat March 2005

    D)

    Ships Launch
    INSJalashwa January 2007

    View Answer play_arrow
  • question_answer233) At which place has the Central Government decided to set up a sector specific SEZ in biotechnology?

    A) Bengaluru

    B) Hyderabad

    C) New Delhi

    D) Cuttack

    View Answer play_arrow
  • question_answer234) Consider the following statements:

    1. Air Marshal Padmajit Singh Ahluwalia has been appointed as Air Officer Commanding in Chief in western Air Command.
    2. The former Intelligence Bureau Director, ESL Narshimhan is appointed as Governor of Chhattisgarh.
    3. Justice KG Balakrishnan Sworn as 38th Chief Justice of India.
    Select the correct statements

    A) 1, 2 and 3

    B) 2 and 3

    C) 1 and 3

    D) Only 1 and 2

    View Answer play_arrow
  • question_answer235) The book, Hullabaloo in a Gauva Orchard is written by

    A) Anita Desai

    B) Vijay Tendulkar

    C) AmitavGhosh

    D) Kiran Desai

    View Answer play_arrow
  • question_answer236) Roger Federer equalled whose record of 160consecutive weeks as World No?

    A) Jimmy Connors

    B) Mc Emroe

    C) Bjon Borg

    D) Ivan Lendel

    View Answer play_arrow
  • question_answer237) Who is recently elected to the Bench of the society of Lincolns INN, London?

    A) K G Balakrishnan

    B) A S Anand

    C) Milon K Banerjee

    D) None of the above

    View Answer play_arrow
  • question_answer238) Recently, India signed a MOU on safeguarding intellectual property rights with

    A) Russia

    B) USA

    C) Switzerland

    D) Philippines

    View Answer play_arrow
  • question_answer239) What is NSG?

    A) National Service of Government

    B) Nuclear Supplier Group

    C) Non-Nuclear Supplier Group

    D) Non-Secular Group

    View Answer play_arrow
  • question_answer240) Which is the tallest structure in the world?

    A) Taipei Towers

    B) Effel Tower

    C) Burj Dubai

    D) Patronos Tower

    View Answer play_arrow

   

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