Solved papers for Manipal Medical Manipal Medical Solved Paper-2012

done Manipal Medical Solved Paper-2012

  • question_answer1) An ideal monoatomic gas is taken thorough the theromodynamic states\[A\to B\to C\to D\]via the paths shown in the figure. If\[{{U}_{A}},{{U}_{B}},{{U}_{C}}\] and\[{{U}_{D}}\]represent the internal energy of the gas in states A, B, C and D respectively, then which of the following is not true?

    A) \[{{U}_{A}}={{U}_{D}}\]

    B) \[{{U}_{B}}<{{U}_{A}}\]

    C) \[{{U}_{B}}={{U}_{C}}\]

    D) \[{{U}_{C}}>{{U}_{D}}\]

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  • question_answer2) The external diairueter of a 314 m long copper tube is 1.2 cm and the internal diameter is 1 cm. Calculate its resistance if the specific resistance of copper is\[2.2\times {{10}^{-8}}\Omega -m\]

    A) \[5.0\times {{10}^{-2}}\Omega \]

    B) \[4.4\times {{10}^{-2}}\Omega \]

    C) \[3.14\times {{10}^{-2}}\Omega \]

    D) \[2.2\times {{10}^{-2}}\Omega \]

    E) None of the above

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  • question_answer3) A voltmeter of range 2V and resistance\[300\,\Omega \] cannot be converted into ammeter of range

    A) 1 A

    B) 1 mA

    C) 100 mA

    D) 10 mA

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  • question_answer4) If a magnet is suspended at an angle\[30{}^\circ \]to the magnetic meridian, the dip needle makes angle of\[45{}^\circ \]with the horizontal. The real dip is

    A) \[{{\tan }^{-1}}(\sqrt{3}/2)\]

    B) \[{{\tan }^{-1}}(\sqrt{3})\]

    C) \[{{\tan }^{-1}}(3/\sqrt{2})\]

    D) \[{{\tan }^{-1}}(2/\sqrt{3})\]

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  • question_answer5) Which quantity is increased in step-down transformer?

    A) Current

    B) Voltage

    C) Power

    D) Frequency

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  • question_answer6) Beyond which frequency, the ionosphere bends any incident electromagnetic radiation but do not reflect it back towards the earth?

    A) 50MHz

    B) 40MHz

    C) 30MHz

    D) 20MHz

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  • question_answer7) In intrinsic semiconductor at room temperature number of electrons and holes are

    A) equal

    B) zero

    C) unequal

    D) infinite

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  • question_answer8) What should be the velocity of an electron so that its momentum becomes equal to that of a photon of wavelength\[5200\text{ }\overset{o}{\mathop{\text{A}}}\,\]?

    A) 700 m/s

    B) 1000 m/s

    C) 1400 m/s

    D) 2800 m/s

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  • question_answer9) A radioactive element has half-life period of 600 yr. After 3000 yr, what amount will remain?

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

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

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

    D) \[\frac{1}{32}\]

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  • question_answer10) An electric motor runs on DC source of emf 200 V and draws a current of 10 A. If the efficiency be 40%, then the resistance of armature is

    A) \[2\,\Omega \]

    B) \[8\,\Omega \]

    C) \[12\,\Omega \]

    D) \[16\,\Omega \]

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  • question_answer11) A capacitor having capacity of 2.0 p F is charged to 200 V and then the plates of the capacitor are connected to a resistance wire. The heat produced in joule will be

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

    B) \[4\times {{10}^{-2}}\]

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

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

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  • question_answer12) In the Wheatstones network given,\[P=10\,\Omega ,\] \[Q=20\text{ }\Omega ,\text{ }R=15\text{ }\Omega ,\text{ S}=30\text{ }\Omega ,\]the current passing through the battery (of negligible internal resistance) is

    A) 0.36 A

    B) zero

    C) 0.18 A

    D) 0.72 A

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  • question_answer13) Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively and resistance\[8\,\Omega \], each. They are connected in parallel with a cell of emf 4 V and negligible internal ressistance. The deflections produced in the tangent galvanometers A and B are\[30{}^\circ \] and\[60{}^\circ \]respectively. If A has 2 turns, then B must have

    A) 18 turns

    B) 12 turns

    C) 6 turns

    D) 2 turns

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  • question_answer14) A current of 5 A is passing through a metallic wire of cross-sectional area\[4\times {{10}^{-6}}{{m}^{2}}\]. If the density of charge carriers of the wire is\[5\times {{10}^{26}}\] \[{{m}^{-3}},\]the drift velocity of the electrons will be

    A) \[1\times {{10}^{2}}m{{s}^{-1}}\]

    B) \[1.56\times {{10}^{-2}}m{{s}^{-1}}\]

    C) \[1.56\times {{10}^{-3}}m{{s}^{-1}}\]

    D) \[1\times {{10}^{-2}}m{{s}^{-1}}\]

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  • question_answer15) A single slit Fraunhofer diffraction pattern is formed with white light. For what wavelength of light, the third secondary maximum in the diffraction pattern coincides with the second secondary maximum in the pattern for red light of wavelength\[6500\text{ }\overset{o}{\mathop{\text{A}}}\,\]?

    A) \[4400\overset{o}{\mathop{\text{A}}}\,\]

    B) \[4100\overset{o}{\mathop{\text{A}}}\,\]

    C) \[4642.8\overset{o}{\mathop{\text{A}}}\,\]

    D) \[9100\overset{o}{\mathop{\text{A}}}\,\]

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  • question_answer16) The potential of a large liquid drop when eight liquid drops are combined is 20 V. Then, the potential of each single drop was

    A) 10 V

    B) 7.5V

    C) 5V

    D) 2.5V

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  • question_answer17) Water rises in plant fibres due to

    A) capillarity

    B) viscosity

    C) fluid pressure

    D) osmosis

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  • question_answer18) During an adiabatic process, the cube of the pressure is found to be inversely proportional to the fourth power of the volume. Then, the ratio of specific heats is

    A) 1

    B) 1.33

    C) 1.67

    D) 1.4

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  • question_answer19) The volume of a nucleus is directly proportional to

    A) \[A\]

    B)  \[{{A}^{3}}\]

    C)  \[\sqrt{A}\]             

    D)  \[{{A}^{1/3}}\]

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  • question_answer20) A Carnots engine has an efficiency of 50% at sink temperature \[50{}^\circ C\]. Calculate the temperature of source.

    A) \[133{}^\circ C\]

    B) \[143{}^\circ C\]

    C) \[100{}^\circ C\]

    D) \[373{}^\circ C\]

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  • question_answer21) What is the Q-value of the reaction? \[P{{+}^{7}}Li{{\xrightarrow[{}]{{}}}^{4}}He{{+}^{4}}He\] The atomic masses of\[^{1}H{{,}^{4}}He\]and\[^{7}Li\]are \[1.0078254u,4.0026034u\]and\[7.016004u\] respectively

    A) 17.35 MeV

    B) 18.06 MeV

    C) 177.35 MeV

    D) 170.35 MeV

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  • question_answer22) The water of volume 4 m3 at the height 20 m is pressed by\[2\times {{10}^{5}}N\]pressure. The work done by motor is

    A) \[8\times {{10}^{5}}J\]

    B) \[16\times {{10}^{5}}J\]

    C) \[12\times {{10}^{5}}J\]

    D) \[32\times {{10}^{5}}J\]

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  • question_answer23) The wavelength of\[{{K}_{\alpha }}\]line in copper is\[1.5\overset{o}{\mathop{\text{A}}}\,\]. The ionisation energy of K electron in copper is

    A) \[11.2\times {{10}^{-18}}J\]

    B) \[12.9\times {{10}^{-16}}J\]

    C) \[1.7\times {{10}^{-15}}J\]

    D) \[10\times {{10}^{-16}}J\]

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  • question_answer24) A proton is moving in a uniform magiletic field B in a circular path of radius a in a direction perpendicular to Z axis along which field B exists. Calculate the angular momentum. If the radius is a and charge on proton is e.

    A) \[\frac{Be}{{{a}^{2}}}\]

    B) \[e{{B}^{2}}a\]

    C) \[{{a}^{2}}eB\]

    D) \[aeB\]

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  • question_answer25) Curie-Weiss law is obeyed by iron

    A) at curie temperature only

    B) at all temperatures

    C) below curie temperature

    D) above curie temperature

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  • question_answer26) When light is incidence on a diffraction grating, then the zero order maximum will be

    A) spectrum of the colours

    B) white

    C) one of the component colours

    D) absent

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  • question_answer27) The wavelength of first line of Balmer series is\[6563\overset{o}{\mathop{\text{A}}}\,\]. The wavelength of first line of Lymen series will be

    A) \[1215.4\overset{o}{\mathop{\text{A}}}\,\]

    B) \[2500\overset{o}{\mathop{\text{A}}}\,\]

    C) \[7500\overset{o}{\mathop{\text{A}}}\,\]

    D) \[600\overset{o}{\mathop{\text{A}}}\,\]

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  • question_answer28) The reactance of inductance at\[{{10}^{4}}Hz\]is\[10{{\,}^{4}}\Omega \]. Its reactance at\[2\times {{10}^{4}}Hz\]will be

    A) \[{{10}^{4}}\,\Omega \]

    B) \[2\times {{10}^{4}}\,\Omega \]

    C) \[3\times {{10}^{4}}\,\Omega \]

    D) \[4\times {{10}^{4}}\,\Omega \]

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  • question_answer29) In adiabatic process, the work done by system is 50 J, then

    A) the temperature of the system will be increase 50 J

    B) the temperature of the system will be constant

    C) the internal energy of the system will be increase 50 J

    D) the internal energy of the system will be decrease 50 J

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  • question_answer30) The ozone layer is important because

    A) it prevents the cooling of each at night

    B) it prevents the IR rays coming from the space

    C) it prevents UV rays from the meteors coming from the space

    D) it prevents the UV rays and micro rays the coming from the space

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  • question_answer31) If resonant frequency is/and capacity become 4 times, then resonant frequency will be

    A) \[\frac{f}{2}\]

    B) \[2f\]

    C) \[f\]

    D) \[\frac{f}{4}\]

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  • question_answer32) If two soap bubbles of different radii. Are connected by a tube, then

    A) air flow from bigger bubble to the smaller bubble till sizes become equal

    B) air flow from bigger bubble to the smaller bubble till sizes are interchanged

    C) air flow from smaller bubble to bigger

    D) there is no flow of air

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  • question_answer33) The hardness of X-rays by coolidge tube depends upon

    A) filament current

    B) air pressure in tube

    C) material of target

    D) potential between target and cathode

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  • question_answer34) A launching vehicle carrying an artificial satellite of mass m is set for launch on the surface of the earth of mass M and radius R. If the satellite is intended to move in a circular orbit of radius 7R, the minimum energy required to be spent by the launching vehicle on the satellite is (Gravitational constant = G)

    A) \[\frac{GMm}{R}\]

    B) \[-\frac{13GMm}{14R}\]

    C) \[\frac{GMm}{7R}\]

    D) \[\frac{GMm}{14R}\]

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  • question_answer35) The displacements of two particles of same mass executing SHM are represented by the equations \[{{x}_{1}}=4\sin \left( 10t+\frac{\pi }{6} \right)\]and \[{{x}_{2}}=5\cos (\omega t)\] The value of co for which the energies of both the particles remain same is

    A) 16 unit

    B) 6 unit

    C) 4 unit

    D) 8 unit

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  • question_answer36) The excess pressure inside a spherical soap bubble of radius 1 cm is balanced by a column of oil (specific gravity =0.8), 2 mm high, the surface tension of the bubble is

    A) 3.92 N/m

    B) 0.0392 N/m

    C) 0.392 N/m

    D) 0.00392 N/m

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  • question_answer37) Water from a tap emerges vertically downwards with initial velocity\[4\text{ }m{{s}^{-1}}\]. The cross-sectional area of the tap is A. The flow is steady and pressure is constant throughout the stream of water. The distance h vertically below the tap, where the cross-sectional area of the stream becomes\[\left( \frac{2}{3} \right)A,\]is\[(g=10\text{ }m/{{s}^{2}})\]

    A) 0.5 m

    B) 1 m

    C) 1.5 m

    D) 2.2 m

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  • question_answer38) The diameter of objective of a telescope is 1m. Its resolving limit for the light of wavelength \[4538\overset{o}{\mathop{\text{A}}}\,,\] will be

    A) \[5.54\times {{10}^{-7}}rad\]

    B) \[2.54\times {{10}^{-4}}rad\]

    C) \[6.54\times {{10}^{-7}}rad\]

    D) None of the above

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  • question_answer39) The potential difference between two parallel plates is 104 V. If the plates are separated by 0.5 cm, the force on an electron between the plates is

    A) \[32\times {{10}^{-13}}N\]

    B) \[0.32\times {{10}^{-13}}N\]

    C) \[0.032\times {{10}^{-13}}N\]

    D) \[3.2\times {{10}^{-13}}N\]

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  • question_answer40) A body of mass\[{{m}_{1}}=4\]kg moves at\[5\hat{i}\text{ }m/s\]and another body of mass\[{{m}_{2}}=2\]kg moves at\[10\hat{i}\] m/s. The kinetic energy of centre of mass is

    A) \[\frac{200}{3}J\]

    B) \[\frac{500}{3}J\]

    C) \[\frac{400}{3}J\]

    D) \[\frac{800}{3}J\]

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  • question_answer41) Two block of masses of 1 kg and 2 kg are connected by a metal wire going over a smooth pulley. The breaking stress of metal is\[\frac{40}{3\pi }\times {{10}^{6}}N/{{m}^{2}}\]. What should be the minimum radius of wire used if it should not break? \[(g=10m/{{s}^{2}})\].

    A) 0.5mm

    B) 1 mm

    C) 1.5 mm

    D) 2 mm

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  • question_answer42) In the Youngs double slit experiment, intensities of black and bright fringes are 1 and 4 respectively, the ratio of amplitudes of sources will be

    A) \[1:1\]

    B) \[1:2\]

    C) \[3:1\]

    D) \[1:4\]

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  • question_answer43) If inductance and resistance of chocke coil are \[{{X}_{L}}\]and R respectively, then

    A) \[{{X}_{L}}=R\]

    B) \[{{X}_{L}}>>R\]

    C) \[{{X}_{L}}<<R\]

    D) \[{{X}_{L}}=\infty \]

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  • question_answer44) The path difference, time difference and phase difference between two successive zones will be

    A) \[\frac{\lambda }{2},\frac{T}{2}\]and \[\pi \]

    B) \[\lambda ,T\]and \[\pi \]

    C) \[\frac{\lambda }{2},\frac{T}{2}\]and \[\frac{\pi }{2}\]

    D) \[\frac{\lambda }{2},\frac{T}{2}\]and \[2\pi \]

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  • question_answer45) At what speed should a source of sound move so that stationary observer finds the apparent frequency equal to half of the original frequency?

    A) \[\frac{v}{2}\]

    B) \[2v\]

    C) \[\frac{v}{4}\]

    D) \[v\]

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  • question_answer46) At inductance 1 H is connected in series with an AC source of 220 V and 50 Hz. The inductive resistance (in ohm) is

    A) \[2\pi \]

    B) \[50\pi \]

    C) \[100\pi \]

    D) \[1000\pi \]

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  • question_answer47) If the pressure of an ideal gas contained in a closed vessel is increased by 0.4%, the increases in temperature is\[1{}^\circ C\]. The initial temperature of the gas is

    A) \[25{}^\circ C\]

    B) \[250{}^\circ C\]

    C) \[250\,K\]

    D) \[2500{}^\circ C\]

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  • question_answer48) If a van der Waals gas expands freely, then final temperature is

    A) less than the initial temperature

    B) equal to the initial temperature

    C) more than the initial temperature

    D) less or more than the initial temperature depending on the nature of the gas

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  • question_answer49) The de-Broglie wavelength of a proton (charge\[=1.6\times {{10}^{-19}}C\].mass\[=1.6\times {{10}^{-27}}kg\]) accelerated through a potential difference of 1 kV is

    A) \[600\,\overset{o}{\mathop{\text{A}}}\,\]

    B) \[0.9\times {{10}^{-12}}m\]

    C) \[7\,\overset{o}{\mathop{\text{A}}}\,\]

    D) 0.9 nm

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  • question_answer50) A radioactive element forms its own isotope after 3 consecutive disintegrations. The particles emitted as

    A) \[3\beta -\]particles

    B) \[2\beta -\]particles and 1\[\alpha -\]particle

    C) \[2\beta -\]particles and 1\[\gamma -\]particle

    D) \[2\beta -\]particles and 1\[\beta -\]particle

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  • question_answer51) A step-down transformer reduces the voltage of a transmission line from 2200 V to 220 V. The power delivered by it is 880 W and its efficiency is 88%. The input current is

    A) 4.65 mA

    B) 0.045 A

    C) 0.45 A

    D) 4.65 A

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  • question_answer52) If\[{{\lambda }_{1}}\]and\[{{\lambda }_{2}}\]are the wavelengths of the first members of the Lyman and Paschen series respectively, then\[{{\lambda }_{1}}:{{\lambda }_{2}}\]is

    A) \[1:3\]

    B) \[1:30\]

    C) \[7:50\]

    D) \[7:108\]

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  • question_answer53) Identify the operation performed by the circuit given below

    A) NOT

    B) AND

    C) OR

    D) NAND

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  • question_answer54) In a. transistor, the collector current is always less than the emitter current because

    A) collector side is reverse biased and the emitter side is forward biased

    B) a few electrons are lost in the base and only remaining ones reach the collector

    C) collector being reverse biased, attracts less electrons

    D) collector side is forward biased and emitter side is reverse biased

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  • question_answer55) A rectangular vessel when full of water, takes 10 min to be emptied through an orifice in its bottom. How much time will it take to be emptied when half filled with water?

    A) 9 min

    B) 7 min

    C) 5 min

    D) 3 min

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  • question_answer56) The term liquid crystal refers to a state that is intermediate between

    A) crystalline solid and amorphous liquid

    B) crystalline solid and vapour

    C) amorphous liquid and its vapour

    D) a crystal immersed in a liquid

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  • question_answer57) A wave travelling in air falls on a glass plate. It is partly reflected and partly refracted. The phase difference between the reflected and refracted waves is

    A) zero

    B) \[\frac{\pi }{2}\]

    C) \[\pi \]

    D) \[2\pi \]

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  • question_answer58) Two coherent monochromatic light beams of intensities\[I\]and\[4I\]are superposed. The maximum and minimum possible resulting intensities are

    A) \[5I\]and O

    B) \[5I\] and\[3I\]

    C) \[9I\] and I

    D) \[9I\] and\[3I\]

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  • question_answer59) The light of wavelength\[5000\overset{o}{\mathop{\text{A}}}\,\]falls on a photosensitive plate of work function 1.9 eV. The kinetic energy of the emitted photoelectrons is

    A) 0.58 eV

    B) 2.48 eV

    C) 1.24 eV

    D) 1.18 eV

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  • question_answer60) A galvanometer can be converted into a voltmeter by connecting

    A) low resistance in parallel

    B) low resistance in series

    C) high resistance in parallel

    D) high resistance in series

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  • question_answer61) Benzaldehyde condenses with N,N-dimethyl aniline in the presence of anhydrous\[ZnC{{l}_{2}}\]to give

    A) azodye

    B) malachite green

    C) buffer yellow

    D) None of these

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  • question_answer62) The general formula\[{{C}_{n}}{{H}_{2n}}{{O}_{2}}\]could be for open chain

    A) diketories

    B) carboxylic acids

    C) diols

    D) dialdehydes

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  • question_answer63) Which of the following is used widely in the manufacture of lead storage battery?

    A) Arsenic

    B) Lithium

    C) Bismuth

    D) Antimony

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  • question_answer64) On passing 3A of electricity for 50 min 1.8 g metal deposits. The equivalent mass of metal is

    A) 9.3

    B) 19.3

    C) 38.3

    D) 39.5

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  • question_answer65) Saturated solution of\[KN{{O}_{3}}\]is used to make salt bridge because

    A) velocity of\[{{K}^{+}}\]is greater than that of\[N{{O}_{3}}\]

    B) velocity of\[N{{O}_{3}}\]is greater than that of\[{{K}^{+}}\]

    C) velocity of both\[{{K}^{+}}\]and\[N{{O}_{3}}\]are nearly same

    D) \[KN{{O}_{3}}\]is soluble in water

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  • question_answer66) For which order half-life period is independent of initial concentration?

    A) Zero

    B) First

    C) Second

    D) Third

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  • question_answer67) Sodium phenoxide reacts with\[C{{O}_{2}}\]at 400 K and 4-7 atm pressure to give

    A) cathechol

    B) salicylaldehyde

    C) salicylic acid

    D) sodium salicylate

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  • question_answer68) The rate constant for the first order reaction is\[60\text{ }{{s}^{-1}}\]. How much time will it take to reduce the concentration of the reactant to\[\frac{1}{16}\]th value?

    A) \[4.6\times {{10}^{-2}}s\]

    B) \[4.6\times {{10}^{4}}s\]

    C) \[4.6\times {{10}^{2}}s\]

    D) \[4.6\times {{10}^{-4}}s\]

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  • question_answer69) The rate of reaction \[CC{{l}_{3}}CHO+NO\xrightarrow[{}]{{}}CHC{{l}_{3}}+NO+CO\] Is equal to rate\[=k[CC{{l}_{3}}CHO][NO]\]. If concentration is expressed in\[mol\text{ }{{L}^{-1}},\]the unit of\[k\]is

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

    B) \[mol\text{ }{{L}^{-1}}{{s}^{-1}}\]

    C) \[{{L}^{2}}mo{{l}^{-2}}{{s}^{-1}}\]

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

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  • question_answer70) When phenolic ether is heated with HI it yields

    A) alkyi halide\[+\]aryl halide\[+\]water

    B) alkyrhalide\[+\]phenol

    C) alcohol\[+\]aryl halide

    D) None of the above

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  • question_answer71) Which of the following is not correct?

    A) Milk is naturally occurring emulsion

    B) Gold sol is a lyophilic sol

    C) Physical adsorption decreases with rise in temperature

    D) Chemical adsorption is unilayered.

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  • question_answer72) The number of sodium atoms in 2 moles of sodium ferrocynanide is

    A) \[12\times {{10}^{23}}\]

    B) \[26\times {{10}^{23}}\]

    C) \[34\times {{10}^{23}}\]

    D) \[48\times {{10}^{23}}\]

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  • question_answer73) Which of the following statement in relation to the hydrogen atom is correct?

    A) \[3s,3p\]and 3d orbitals all have the same energy.

    B) 2s and 3p-orbitals are of lower energy than 3d-orbital.

    C) 3p-orbital is lower in energy than 3d-orbital.

    D) 3s-orbital is lower in energy than 3p-orbital.

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  • question_answer74) Which of the following is not tetrahedral?

    A) \[BF_{4}^{-}\]

    B) \[NH_{4}^{+}\]

    C) \[CO_{3}^{2-}\]

    D) \[SO_{4}^{2-}\]

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  • question_answer75) Considering x-axis as the intemuclear axis, which out of the following will not form a sigma bond.

    A) 1s and 1s

    B) 1s and \[2{{p}_{x}}\]

    C) \[2{{p}_{y}}\]and\[2{{p}_{y}}\]

    D) 1s and 2s

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  • question_answer76) The chlorination of methane is an example of

    A) addition

    B) elimination

    C) substitution

    D) chain reaction

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  • question_answer77) Reactivity towards nucleophilic addition reaction of (I) HCHO (II)\[C{{H}_{3}}CHO\](III) \[C{{H}_{3}}COC{{H}_{3}}\]is

    A) \[II>III>I\]

    B) \[III>II>I\]

    C) \[I>II>III\]

    D) \[I>II<III\]

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  • question_answer78) Which of the following is active species in sulphonation of benzene?

    A) \[S{{O}_{3}}\]

    B) \[SO_{3}^{+}\]

    C) \[SO_{3}^{-}\]

    D) \[HSO_{4}^{+}\]

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  • question_answer79) Which of the following cant be used in Friedel-Crafts reaction?

    A) \[FeC{{l}_{3}}\]

    B) \[FeB{{r}_{2}}\]

    C) \[AlC{{l}_{3}}\]

    D) \[NaCl\]

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  • question_answer80) The order of reactivities of methyl halide in the formation of Grignard reagent is

    A) \[C{{H}_{3}}Cl>C{{H}_{3}}Br>C{{H}_{3}}I,\]

    B) \[C{{H}_{3}}I>C{{H}_{3}}Br>C{{H}_{3}}Cl\]

    C) \[C{{H}_{3}}Br>C{{H}_{3}}I>C{{H}_{3}}Cl\]

    D) \[C{{H}_{3}}Br>C{{H}_{3}}Cl>C{{H}_{3}}I\]

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  • question_answer81) The product formed when toluene is heated in light with\[C{{l}_{2}}\]and in absence of halogen carrier is

    A) chlorobenzene

    B) gammexene

    C) benzotrichloride

    D) DDT

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  • question_answer82) It the pressure on a\[NaCl\]structure is increased, then its coordination number will

    A) increase

    B) decrease

    C) either [a] or [b]

    D) remain the same

    View Answer play_arrow
  • question_answer83) If the bond dissociation energies of\[XY,{{X}_{2}}\]and \[{{Y}_{2}}\] (all diatomic molecules) are in the ratio of \[1:1:0.5\] and\[\Delta {{H}_{f}}\]for the formation of XY is\[-200\text{ }kJ\text{ }mo{{l}^{-1}},\]the bond dissociation energy of\[{{X}_{2}}\]will be .

    A) \[400\text{ }kJ\text{ }mo{{l}^{-1}}\]

    B) \[300\text{ }kJ\text{ }mo{{l}^{-1}}\]

    C) \[200\text{ }kJ\text{ }mo{{l}^{-1}}\]

    D) \[800\text{ }kJ\text{ }mo{{l}^{-1}}\]

    View Answer play_arrow
  • question_answer84) The enthalpies of all the elements in their standard states are

    A) unity

    B) zero

    C) \[<0\]

    D) different for each element

    View Answer play_arrow
  • question_answer85) A reaction,\[A+B\xrightarrow[{}]{{}}C+D+q\]is found to have a positive entropy change. The reaction will be

    A) possible at high temperature

    B) possible only at low temperature

    C) not possible at any temperature

    D) possible at any temperature

    View Answer play_arrow
  • question_answer86) Enthalpy of combustion of carbon to\[C{{O}_{2}}\]is\[-393.5\,kJ\,mo{{l}^{-1}}.\]The heat released upon formation of 35.2 g of\[C{{O}_{2}}\]from carbon and dioxygen gas is (molar mass of \[C{{O}_{2}}=44\,g\,mo{{l}^{-1}}\])

    A) 3.148 kJ

    B) 31.48 kJ

    C) 314.8 kJ

    D) 3148 kJ

    View Answer play_arrow
  • question_answer87) Work done during isothermal expansion of one mole of an ideal gas from 10 atm to 1 atm at 300 K is

    A) 4938.8 J

    B) 4138.8 J

    C) 5744.1 J

    D) 6257.2 J

    View Answer play_arrow
  • question_answer88) Which of the following is not a conjugate acid-base pair?

    A) \[HPO_{3}^{2-},PO_{3}^{3-}\]

    B) \[{{H}_{2}}PO_{4}^{-},HPO_{4}^{2-}\]

    C) \[{{H}_{2}}PO_{4}^{-},{{H}_{3}}P{{O}_{4}}\]

    D) \[{{H}_{2}}PO_{4}^{-},PO_{3}^{3-}\]

    View Answer play_arrow
  • question_answer89) Which of the following will not function as a buffer solution? [a]\[NaCl\]and\[NaOH\] [b]\[NaOH\]and\[N{{H}_{4}}OH\] [c]\[C{{H}_{3}}COON{{H}_{4}}\]and\[HCl\] [d] Borax and boric acid

    A) (i),(ii),(iii)

    B) (ii), (iii),,(iv)

    C) (i), (iii), (iv)

    D) (i), (ii), (iii), (iv)

    View Answer play_arrow
  • question_answer90) A litre of solution is saturated with\[AgCl\]. To this solution if\[1.0\times {{10}^{-4}}\]of solid\[NaCl\]is added, what will be the\[[A{{g}^{+}}]\]assuming no volume change?

    A) More

    B) Less

    C) Equal

    D) Zero

    View Answer play_arrow
  • question_answer91) Aqueous solution of sodium cyanide is

    A) acidic

    B) amphoteric

    C) basic

    D) neutral

    View Answer play_arrow
  • question_answer92) The equilibrium constant for the reaction \[S{{O}_{3}}(g)S{{O}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)\] is\[{{K}_{c}}=4.9\times {{10}^{-2}}\]. The value of\[{{K}_{c}}\]or the reaction \[2S{{O}_{2}}(g)+{{O}_{2}}(g)2S{{O}_{3}}(g)\] will be

    A) \[416\]

    B) \[2.40\times {{10}^{-3}}\]

    C) \[9.8\times {{10}^{-2}}\]

    D) \[4.9\times {{10}^{-2}}\]

    View Answer play_arrow
  • question_answer93) In the reaction, \[A{{g}_{2}}O+{{H}_{2}}{{O}_{2}}2Ag+{{H}_{2}}O+{{O}_{2}}\] \[{{H}_{2}}{{O}_{2}}\]acts as

    A) a reducing agent

    B) oxidising agent

    C) bleaching agent

    D) None of these

    View Answer play_arrow
  • question_answer94) When two ice cubes are pressed over each other they unites to form one cube. Which of the following forces are responsible to hold them together?

    A) Ionic interaction

    B) van der Waals forces

    C) Covalent interaction

    D) Hydrogen bond formation

    View Answer play_arrow
  • question_answer95) Red lead is

    A) \[PbC{{O}_{3}}\]

    B) \[P{{b}_{3}}{{O}_{4}}\]

    C) \[Pb{{O}_{2}}\]

    D) \[PbS{{O}_{4}}\]

    View Answer play_arrow
  • question_answer96) Which gas is liberated when\[A{{l}_{4}}{{C}_{3}}\]is hydrolysed?

    A) \[C{{H}_{4}}\]

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

    C) \[{{C}_{2}}{{H}_{6}}\]

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

    View Answer play_arrow
  • question_answer97) When zeolite which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with

    A) \[{{H}^{+}}\]ions

    B) \[M{{g}^{2+}}\]ions

    C) \[C{{a}^{2+}}\]ions

    D) both\[C{{a}^{2+}}\]and\[M{{g}^{2+}}\]

    View Answer play_arrow
  • question_answer98) A codon has a sequence of A and specifies a particular B that is to be incorporated in to C what are A, B, C?

    A)

    A B C
    3 bases Amino acid Carbohydrate

    B)

    A B C
    3 acids Carbohydrate Protein

    C)

    A B C
    3 bases Protein Amino acid

    D)

    A B C
    3 bases Amino acid Protein

    View Answer play_arrow
  • question_answer99) Proteins when heated with cone.\[HN{{O}_{3}}\]give a yellow colour. This is

    A) Hoppes test

    B) acid base test

    C) Bmrettest

    D) xanthoprotic test

    View Answer play_arrow
  • question_answer100) Codon is present in

    A) \[t-RNA\]

    B) \[m-RNA\]

    C) fats

    D) \[r-RNA\]

    View Answer play_arrow
  • question_answer101) Amylopectin is a polymer of

    A) \[\alpha -D\]glucose

    B) \[\alpha -D\]fructose

    C) lactose

    D) amylose

    View Answer play_arrow
  • question_answer102) Which of the following statements is

    A) The repeating monomer units in bakelite are phenol and formaldehyde

    B) Low density polythene is an example of branched chain polymers

    C) Homopolymer contains a single type of monomer,

    D) Vulcanization is the process of heating natural rubber with carbon

    View Answer play_arrow
  • question_answer103) Parkinsons disease is linked to abnormalities in the levels of dopamine in the body The structure of dopamine is

    A)

    B)

    C)

    D)

    View Answer play_arrow
  • question_answer104) Which of the following is a natural dye?

    A) Alizarin

    B) Malachite green

    C) Phenolphthalein

    D) Martius yellow

    View Answer play_arrow
  • question_answer105) \[M{{n}^{2+}}\] cab be converted in\[M{{n}^{7+}}\]by reacting

    A) \[Pb{{O}_{2}}\]

    B) \[SnC{{l}_{2}}\]

    C) \[O{{H}^{-}}\]

    D) \[C{{l}_{2}}\]

    View Answer play_arrow
  • question_answer106) Which of the following compounds show optical isomerism?

    A) \[{{[Co{{(CN)}_{6}}]}^{3-}}\]

    B) \[{{[Cr{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}\]

    C) \[{{[ZnC{{l}_{4}}]}^{2-}}\]

    D) \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\]

    View Answer play_arrow
  • question_answer107) Which of the following represents a chelating ligand?

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

    B) \[C{{l}^{-}}\]

    C) \[O{{H}^{-}}\]

    D) \[DMG\]

    View Answer play_arrow
  • question_answer108) When alkyl halide is heated with dry\[A{{g}_{2}}O,\]it produces

    A) ester

    B) ether

    C) ketone

    D) alcohol

    View Answer play_arrow
  • question_answer109) The best reagent to convert pent-3-en-2-ol into pent-3-en-2-one is

    A) pyridinium chlorochromate

    B) chromic anhydride m glacial acetic add

    C) acidic dichromate

    D) acidic permanganate

    View Answer play_arrow
  • question_answer110) During the process of electrolytic refining of copper, some metals present as impurity settle as anode mud. These are

    A) Fe and Ni

    B) Ag and Au

    C) Pb and Zn

    D) Se and Ag

    View Answer play_arrow
  • question_answer111) Which of the following is not a peroxy acid?

    A) Perphosphoric acid

    B) Pemitric acid

    C) Perdisulphuric acid

    D) Perchloric acid

    View Answer play_arrow
  • question_answer112) Chlorine is liberated when we heat

    A) \[KMn{{O}_{4}}+NaCl\]

    B) \[P{{b}_{2}}{{(N{{O}_{3}})}_{4}}+Mn{{O}_{2}}\]

    C) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}+Mn{{O}_{2}}\]

    D) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}+HCl\]

    View Answer play_arrow
  • question_answer113) In which case Raoults law is not applicable?

    A) \[1\text{ }M\text{ }NaCl\]

    B) 1 M urea

    C) 1M glucose

    D) 1 M sucrose

    View Answer play_arrow
  • question_answer114) Increasing the temperature of, an aqueous solution will cause

    A) decrease in molarity

    B) decrease in molality

    C) decrease in mole fraction

    D) decrease in % w/w

    View Answer play_arrow
  • question_answer115) To neutralize completely 20 mL of 0.1 M aqueous solution of phosphorus acid\[({{H}_{3}}P{{O}_{3}}),\] the volume of 0.1 M aqueous KOH solution required is

    A) 20 mL

    B) 30 mL

    C) 40 mL

    D) 50 mL

    View Answer play_arrow
  • question_answer116) 138 g of ethyl alcohol is mixed with 72 g of water. The ratio of mole fraction of alcohol to water is

    A) \[3:4\]

    B) \[1:2\]

    C) \[1:4\]

    D) \[1:1\]

    View Answer play_arrow
  • question_answer117) \[C{{H}_{3}}COOH\xrightarrow[{}]{LiAl{{H}_{4}}}A+C{{H}_{3}}COOH\]\[\xrightarrow[{}]{{{H}_{3}}{{O}^{+}}}B+{{H}_{2}}O\] In the above reactions A and B respectively are

    A) \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}},{{C}_{2}}{{H}_{5}}PH\]

    B) \[C{{H}_{3}}CHO,{{C}_{2}}{{H}_{5}}OH\]

    C) \[{{C}_{2}}{{H}_{5}}PH,C{{H}_{3}}CHO\]

    D) \[{{C}_{2}}{{H}_{5}}OH,C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\]

    View Answer play_arrow
  • question_answer118) Acetyl bromide reacts with excess of\[C{{H}_{3}}MgI\] followed by treatment with a saturated solution of\[N{{H}_{4}}Cl\]gives

    A) acetone

    B) acetamide

    C) 2-methyl-2-propanol

    D) acetyl iodide

    View Answer play_arrow
  • question_answer119) Reaction of aniline with acetyl chloride in the presence of\[NaOH\]gives

    A) acetanilide

    B) \[p-\]chloroaniline

    C) red dye

    D) aniline hydrochloride

    View Answer play_arrow
  • question_answer120) Which of the following is a biodegradable polymer?

    A) Polythene

    B) Bakelite

    C) PHBV

    D) PVC

    View Answer play_arrow
  • question_answer121) Striped muscles are

    A) syncytial

    B) uninucleate

    C) binucleate

    D) anucleate

    View Answer play_arrow
  • question_answer122) Regarding blood circulation, it may be said that in Pheretima the dorsal vessel is a

    A) collecting vessel in first two segments and distributing vessel in other

    B) distributing vessel in the first five segments and collecting vessel in other

    C) collecting vessel in thirteen segments and distributing vessel in intestinal region

    D) distributing vessel in first thirteen segments and collecting vessel in intestinal region

    View Answer play_arrow
  • question_answer123) Flatworms excrete through

    A) kidney

    B) nephridia

    C) protonephridia

    D) Malpighian tubules

    View Answer play_arrow
  • question_answer124) Which of the following structure is related with vision in rabbits?

    A) Hippocampus

    B) Corpus albicans

    C) Corpus callosum

    D) Corpora quadrigemina

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  • question_answer125) Which of the following cells are useful for feeding in sponges?

    A) Thesocytes

    B) Collar cells

    C) Pinacocytes

    D) Sclerocytes

    View Answer play_arrow
  • question_answer126) The methods of dispersal in Amoeba is

    A) locomotion

    B) sporulation

    C) encystment

    D) binary fission

    View Answer play_arrow
  • question_answer127) Which of the following factors has little effect on blood flow in arteries?

    A) Heart beat

    B) Blood pressure

    C) Skeletal muscle contraction

    D) Total cross sectional area of vessel

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  • question_answer128) Telomerase is an enzyme, which is a

    A) repetitive DNA

    B) RNA

    C) simple protein

    D) ribonucleoprotein

    View Answer play_arrow
  • question_answer129) Synapsis occur between

    A) a male and female gamete

    B) mRNA and ribosomes

    C) spindle fibres and centromere

    D) two homologous chromosomes

    View Answer play_arrow
  • question_answer130) What is not true for genetic code?

    A) A codon in mRNA is read in a non-contiguous fashion

    B) It is nearly universal

    C) It is degenerate

    D) It is non-ambiguous

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  • question_answer131) A sequential expression of set of human gene occurs when steroid molecule binds to the

    A) transfer RNA

    B) Messenger RNA

    C) DNA sequence

    D) ribosome

    View Answer play_arrow
  • question_answer132) Sickle cell anaemia is

    A) an autosomal linked dominant trait

    B) caused by substitution of valine by glutamic acid in the\[\beta -\]globin chain of haemoglobin

    C) caused by a change in base pair of DNA

    D) characterized by elongated sickle like RBCs with a nucleus

    View Answer play_arrow
  • question_answer133) A common test to find the genotype of a hybrid is

    A) crossing of one\[{{F}_{2}}\]progeny with male parent

    B) crossing of one\[{{F}_{2}}\]progeny with female parent

    C) studying the sexual behaviour of\[{{F}_{1}}\]progenies

    D) crossing of one\[{{F}_{1}}\]progeny with recessive parent

    View Answer play_arrow
  • question_answer134) Phenetic classification is based, on

    A) sexual characteristics

    B) the ancestral lineage of existing organisms

    C) observable characteristics of existing organisms

    D) dendogram based on DNA characteristics

    View Answer play_arrow
  • question_answer135) What is true for individuals of same species?

    A) Live m same niche

    B) Live in same habitat

    C) Interbreeding

    D) Live in different habitat

    View Answer play_arrow
  • question_answer136) For retting of jute the fermenting microbe used is

    A) methophillic bacteria

    B) butyric acid bacteria

    C) Helicobacter pylori

    D) Streptococcus lactis

    View Answer play_arrow
  • question_answer137) Which antibiotic inhibits interaction between \[tRNA\]and\[mRNA\]during bacterial protein synthesis?

    A) Neomycin

    B) Streptomycin

    C) Tetracycline

    D) Erythromycin

    View Answer play_arrow
  • question_answer138) Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to

    A) coelomic fluid

    B) blood

    C) gut peristalsis

    D) setae

    View Answer play_arrow
  • question_answer139) Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in

    A) leaf abscission

    B) annual plants

    C) floral parts

    D) All of the above

    View Answer play_arrow
  • question_answer140) Glycolate induces opening of stomata in

    A) presence of oxygen

    B) low\[C{{O}_{2}}\]concentration

    C) high\[C{{O}_{2}}\]concentration

    D) absence of\[C{{O}_{2}}\]

    View Answer play_arrow
  • question_answer141) Which one occurs both during cyclic and non-cyclic modes of photophosphorylation?

    A) Involvement of both PS-I and PS-II

    B) Formation of ATP

    C) Release of\[{{O}_{2}}\]

    D) Formation of NADPH

    View Answer play_arrow
  • question_answer142) The translocation of organic solutes in sieve, tube members is supported by

    A) P-proteins

    B) mass flow involving a carrier and ATP

    C) cytoplasmic streaming

    D) root pressure and transpiration pull

    View Answer play_arrow
  • question_answer143) The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of

    A) ATP in small stepwise units

    B) ATP in one large oxidation reaction

    C) sugars

    D) nucleic acids

    View Answer play_arrow
  • question_answer144) Tendons or ligaments are

    A) connective tissue

    B) vascular tissue

    C) epithelial tissue

    D) skeletal tissue

    View Answer play_arrow
  • question_answer145) Darwins finches represent

    A) morphological variation

    B) geographical isolation

    C) climatic variation

    D) reproductive isolation

    View Answer play_arrow
  • question_answer146) Territoriality occurs as a result of

    A) predation

    B) parasitism

    C) symbiotism

    D) competition

    View Answer play_arrow
  • question_answer147) The type of joint between humerus and radius bone is called

    A) gliding joint

    B) saddle joint

    C) pivot joint

    D) hinge joint

    View Answer play_arrow
  • question_answer148) The nucleus is separated from surrounding cytoplasm by a nuclear membrane, which is

    A) single layered with pores

    B) single layered without pores

    C) double layered with pores

    D) double layered without pores

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  • question_answer149) In mammals, histamine is secreted by

    A) fibroblasts

    B) histiocytes

    C) lymphocytes

    D) mast cells

    View Answer play_arrow
  • question_answer150) Species is a

    A) group immediately below a phylum

    B) closely related interbreeding population

    C) taxonomic division of similar genera

    D) closely related non-breeding population

    View Answer play_arrow
  • question_answer151) The use of DDT is banned now-a-days because it is

    A) very costly

    B) not available

    C) inflammable

    D) not degraded easily

    View Answer play_arrow
  • question_answer152) Which of the following represents Klinefekers syndrome?

    A) XX

    B) XO

    C) XY

    D) XXY

    View Answer play_arrow
  • question_answer153) In which of the following there is no defect in. the sex chromosome?

    A) Turners syndrome

    B) Downs syndrome

    C) Colour blindness

    D) Klinefelters syndrome

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  • question_answer154) When a cell is fully turgid, which of the following will be zero?

    A) Wall pressure

    B) Osmotic pressure

    C) Turgor pressure

    D) Water potential

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  • question_answer155) Embryo development from nucellus and integument is known as

    A) apospory

    B) apogamy

    C) apomixis

    D) adventive embryony

    View Answer play_arrow
  • question_answer156) Acid rain is due to increase in atmospheric concentration of

    A) Ozone

    B) \[C{{O}_{2}}\]and\[CO\]

    C) \[S{{O}_{3}}\]and\[CO\]

    D) \[S{{O}_{2}}\]and nitrogen oxide

    View Answer play_arrow
  • question_answer157) Which of the given is a long day plant?

    A) Glycine max

    B) Spinach

    C) Chrysanthemum

    D) Tobacco

    View Answer play_arrow
  • question_answer158) Life span of Ascaris is

    A) 3 to 6 months

    B) 9 to 12 months

    C) 1 year

    D) 2 to 5 months

    View Answer play_arrow
  • question_answer159) Which of the following is false fruit?

    A) Mango

    B) Apple

    C) Banana

    D) Jack fruit

    View Answer play_arrow
  • question_answer160) FAD acts as an\[{{e}^{-}}\]acceptor in between

    A) fumaric and malic acid

    B) succinic and fumaric acid

    C) malic and oxaloacetic acid

    D) citric and isocitric acid

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  • question_answer161) Pigment iodopsin is contained in

    A) rod cells

    B) cone cells

    C) anacrine cells

    D) horizontal cells

    View Answer play_arrow
  • question_answer162) Sexual dimorphism is absent in

    A) Ascomycetes

    B) Deuteromycetes

    C) Basidiomycetes

    D) Phycomycetes

    View Answer play_arrow
  • question_answer163) Botanical name of peat moss is

    A) Sphagnum

    B) Funaria

    C) Anthoceros

    D) Polytrichum

    View Answer play_arrow
  • question_answer164) The flowers of Oxalis open during the day and close at night. Such type of movement is.

    A) photonasty

    B) nyctinasty

    C) phototropic

    D) seismonastic

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  • question_answer165) Silent valley is tropical evergreen forest located in

    A) Kerala

    B) Kamataka

    C) Maharashtra

    D) Odisha

    View Answer play_arrow
  • question_answer166) Vitamin-C was first vitamin to be produced by fermentation process using

    A) Penicillium

    B) E. coli

    C) Yersenia pestis

    D) Acetobactor

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  • question_answer167) The functional unit of DNA molecule that codes for particular gene product is

    A) cistron

    B) exon

    C) intron

    D) gene

    View Answer play_arrow
  • question_answer168) Total number of biodiversity hot spots in the world are

    A) 24

    B) 12

    C) 34

    D) 52

    View Answer play_arrow
  • question_answer169) Which of the following is exotic species?

    A) Parthenium

    B) Lantana

    C) Eichhornia

    D) All of these

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  • question_answer170) In transgenics, expression of transgene in target tissue is determined by

    A) enhancer

    B) transgene

    C) promotor

    D) reporter gene

    View Answer play_arrow
  • question_answer171) When\[C{{O}_{2}}\]concentration in blood increases, breathing becomes

    A) shallower and slow

    B) there is no net effect on breathing

    C) slow and deep

    D) faster and deeper

    View Answer play_arrow
  • question_answer172) Cancer cells can easily be damaged by radiation than normal cells because they are

    A) starved on mutation

    B) undergoing rapid division

    C) different in structure

    D) non-dividing

    View Answer play_arrow
  • question_answer173) Which of the following is not correctly matched?

    A) Glossina palpalis - Sleeping sickness

    B) Culex - Filariasis

    C) Aedes aegypti - Yellow fever

    D) Anopheles culifacies - Leishmaniasis

    View Answer play_arrow
  • question_answer174) A free living nitrogen fixing cyanobacterium which can also form symbiotic association with the aquatic fern Azolla is

    A) Tolypothnx

    B) Chlorella

    C) Nostoc

    D) Anabaena

    View Answer play_arrow
  • question_answer175) Which of the following hormones is not a secretion product of human placenta?

    A) Human choriohic gonadotropin

    B) Prolactin

    C) Oestrogen

    D) Progesterone

    View Answer play_arrow
  • question_answer176) The fangs of python which pulled out can

    A) not come again

    B) come again with half the length

    C) come again with same length

    D) come again with double length

    View Answer play_arrow
  • question_answer177) The wings of bat, locust and pigeon are the examples of

    A) vestigial organs

    B) analogous organs

    C) homologous organs

    D) exoskeletal structures

    View Answer play_arrow
  • question_answer178) Heart lacks sinus venosus in

    A) fishes

    B) mammals

    C) amphibians

    D) echinoderms

    View Answer play_arrow
  • question_answer179) Krebs cycle takes place in

    A) cytoplasm

    B) chloroplast

    C) nucleus

    D) mitochondria

    View Answer play_arrow
  • question_answer180) In which of the following plants, leaf apex changes into tendril?

    A) Gloriosa

    B) smilax

    C) Pisum sativum

    D) Australian Acacia

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  • question_answer181) The plants having vascular tissue but lacking seeds are placed under

    A) algae

    B) bryophytes

    C) pteridophytes

    D) gymnosperms

    View Answer play_arrow
  • question_answer182) The rate of transpiration in plants is dependent upon

    A) temperature and soil

    B) light and temperature

    C) wind, temperature and light

    D) light, temperature, atmospheric humidity and wind

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  • question_answer183) A plant hormone used for inducing morphogenesis in plant tissue culture is

    A) ethylene

    B) gibberellin

    C) cytokinin

    D) abscisic acid

    View Answer play_arrow
  • question_answer184) Which of the following minerals helps in\[{{N}_{2}}\]fixation?

    A) Copper

    B) Zinc

    C) Manganese

    D) Molybdenum

    View Answer play_arrow
  • question_answer185) What is the similarity between fly, mosquitoes and cockroach?

    A) All have 13 chambered heart

    B) All have 4 pairs of legs

    C) All have closed circulatory system

    D) All belong to class-Insecta

    View Answer play_arrow
  • question_answer186) Protein present in cartilage is

    A) chondrin

    B) oesein

    C) cartilagin

    D) ossein

    View Answer play_arrow
  • question_answer187) Insectivorous plants usually survive in

    A) water rich soil

    B) \[{{N}_{2}}\]deficient soil

    C) \[{{N}_{3}}\]rich soil

    D) sugar deficient medium

    View Answer play_arrow
  • question_answer188) Spore of Funaria, on germination gives rise to

    A) protonema

    B) embryo

    C) antheridia

    D) archegonia

    View Answer play_arrow
  • question_answer189) The function of a vessel is

    A) conduction of food

    B) conduction of water and minerals

    C) conduction of hormones

    D) All of the above

    View Answer play_arrow
  • question_answer190) Multiplication of DNA is called

    A) translation

    B) replication

    C) duplication

    D) transcription

    View Answer play_arrow
  • question_answer191) The pigment sensitive for red and far red light is

    A) chlorophyll

    B) phytochrome

    C) cytochrome

    D) carotene

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  • question_answer192) Lemon is sour due to the presence of

    A) acetic acid

    B) carbonic acid

    C) citric acid

    D) sulphuric acid

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  • question_answer193) The type of vertebrae in the sub order Ophidia is

    A) acoelous

    B) procoelous

    C) heterocoelous

    D) amphicoelous

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  • question_answer194) Removal of anthers at the time of plant breeding is called

    A) emasculation

    B) anthems

    C) pollination

    D) fertilization

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  • question_answer195) Haemoglobin is a

    A) protein

    B) fibrous protein

    C) globular protein

    D) enzyme

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  • question_answer196) LPP-1 is a

    A) bacterium

    B) fungus

    C) bacteriophage

    D) cyanophage

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  • question_answer197) Hormogonia are vegetative reproductive structures of

    A) Ulothrix

    B) Oscillatoria

    C) Spirogyra

    D) Chara

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  • question_answer198) Evolutionary history of an organisms is known as

    A) Phylogeny

    B) Ancestry

    C) Palaeontology

    D) Ontogeny

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  • question_answer199) Sertoli cells, are regulated by the pituitary hormone known as

    A) FSH

    B) GH

    C) Prolactin

    D) LH

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  • question_answer200) In which of the following fruits, the edible part is the aril?

    A) Apple

    B) Pomegranate

    C) Orange

    D) Litchi

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  • question_answer201) Last night I dream

    A) Last night I dream

    B) /I was a Sheikh on the 169td floor

    C) /of Burj Khalifa.

    D) /No error,

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  • question_answer202) As soon as

    A) As soon as

    B) /the lion saw the deer

    C) /he began to run after it.

    D) /No error,

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  • question_answer203) The police asked us

    A) The police asked us

    B) /about our movements

    C) /on a night of the crime.

    D) /No error,

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  • question_answer204) Did he tell you

    A) Did he tell you

    B) /why he hasnt

    C) /come yesterday?

    D) /No error,

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  • question_answer205) It was a pleasant

    A) It was a pleasant

    B) /four hours drive

    C) /from Pune to Nakhik.

    D) /No error,

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  • question_answer206) He travelled all ...... the world when he was eighty years old.

    A) in

    B) over

    C) with

    D) of

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  • question_answer207) Dr. Sharma concluded his speech ...... stressing on Buddhas teachings of the importance of charity.

    A) by

    B) with

    C) at

    D) in

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  • question_answer208) Shivaji Maharaj fought ...... every kind of aggression.

    A) against

    B) to

    C) with

    D) at

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  • question_answer209) Dont depend ..... others; you must stand on your own feet.

    A) upon

    B) on

    C) to

    D) for

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  • question_answer210) Our life promises a lot ...... pleasure and we must learn to enjoy it.

    A) with

    B) for

    C) of

    D) at

    View Answer play_arrow
  • question_answer211) Benevolent

    A) beneficial

    B) kind

    C) helpful

    D) supportive

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  • question_answer212) Ancestors

    A) extinct tribes

    B) relatives

    C) forefathers

    D) old people

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  • question_answer213) Embrace

    A) impress

    B) except

    C) embarrass

    D) accept

    View Answer play_arrow
  • question_answer214) Meek

    A) light hearted

    B) serious

    C) submissive

    D) begins

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  • question_answer215) Sufficient

    A) full

    B) complete

    C) enough

    D) less

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  • question_answer216) Gloomy

    A) radiant

    B) fragrant

    C) melodious

    D) illusory

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  • question_answer217) Bleasing

    A) dull

    B) curse

    C) hurt

    D) harsh

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  • question_answer218) Accomplish

    A) fail

    B) improper.

    C) disagreeable

    D) scatter

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  • question_answer219) Famous

    A) obscure

    B) eminent

    C) lenient

    D) fabulous

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  • question_answer220) Orderly

    A) unclear

    B) valueless

    C) chaotic

    D) incomplete

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  • question_answer221) Helena was over head and ears in love with Demetrius.

    A) carefully

    B) completely

    C) brilliantly

    D) cautiously

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  • question_answer222) Gopi work by fits and starts.

    A) consistently

    B) irregularly

    C) in high spirits

    D) enthusiastically

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  • question_answer223) Naresh Goyal had to stand on his feet very early in his life.

    A) to be physically strong

    B) to be independent

    C) to stand erect

    D) to be successful

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  • question_answer224) The possession of Jerusalem is a bone of contention between Israrel and Palestine.

    A) a subject of peace

    B) a subject of trade

    C) a subject of dispute

    D) a subject of exports

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  • question_answer225) My friend turned a deafear to my tale of loss and refused to help me.

    A) paid no heed

    B) went for away

    C) listened carefully

    D) turned his ear away

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  • question_answer226) The strong breeze blew his hat away.

    A) The strong air

    B) The strong breath

    C) The strong wind

    D) No improvement

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  • question_answer227) The Japanese are hardly working people.

    A) a hard working people

    B) a hardly working people

    C) hard working people

    D) No improvement

    View Answer play_arrow
  • question_answer228) The monkey was seated at the foot of a tree.

    A) bottom

    B) end

    C) root

    D) No improvement

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  • question_answer229) My father lives on Delhi.

    A) in Delhi

    B) at Delhi

    C) inside Delhi

    D) No improvement

    View Answer play_arrow
  • question_answer230) He will come instantaneously.

    A) just now

    B) presently

    C) instantly

    D) No improvement

    View Answer play_arrow
  • question_answer231) Instruments to measure atmospheric pressure

    A) metronome

    B) compass

    C) pedometer

    D) barometer

    View Answer play_arrow
  • question_answer232) One who tends to take a hopeful view of life

    A) magnate

    B) creator

    C) pacifist

    D) optimist

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  • question_answer233) Belonging to all parts of the world

    A) common

    B) universal

    C) worldly

    D) international

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  • question_answer234) To be known for bad acts

    A) famous

    B) notorious

    C) criminal

    D) terrorist

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  • question_answer235) Words of similar meaning

    A) homonyms

    B) pseudonyms

    C) antonyms

    D) synonyms

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  • question_answer236) In the following questions of four words are given. In each group one word is correctly spelt. Find the correctly spelt word.

    A) envelope

    B) envelope

    C) envalope

    D) envelop

    View Answer play_arrow
  • question_answer237) In the following questions of four words are given. In each group one word is correctly spelt. Find the correctly spelt word.

    A) character

    B) charecter

    C) character

    D) chaerecter

    View Answer play_arrow
  • question_answer238) In the following questions of four words are given. In each group one word is correctly spelt. Find the correctly spelt word.

    A) drunkeness

    B) drunkenness

    C) dumkness

    D) diunkennes

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  • question_answer239) In the following questions of four words are given. In each group one word is correctly spelt. Find the correctly spelt word.

    A) surprise

    B) supprise

    C) suprise

    D) surprise

    View Answer play_arrow
  • question_answer240) In the following questions of four words are given. In each group one word is correctly spelt. Find the correctly spelt word.

    A) comitee

    B) committee

    C) committie

    D) committee

    View Answer play_arrow

   

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