Solved papers for Uttarakhand PMT Uttarakhand PMT Solved Paper-2005

done Uttarakhand PMT Solved Paper-2005

  • question_answer1) Indium impurity in germanium makes it into a:

    A) \[n\]-type of semiconductor

    B) p-type semiconductor

    C) insulator

    D) intrinsic semiconductor

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  • question_answer2) Kinetic energy of an electron in the first Bohrs orbit of the hydrogen atom is :

    A) \[-6.5eV\]

    B) \[+13.6eV\]

    C) \[-29.6\text{ }eV\]

    D) \[-13.6\text{ }eV\]

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  • question_answer3) If the refractive angles of the prisms made of crown glass are\[10{}^\circ \]and\[20{}^\circ \]respectively. Then the ratio of their colour deviation power will be:

    A) 4 :1

    B) 3 :1

    C) 2 :1

    D) 1:1

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  • question_answer4) If a current of 10 amp flows in 1 sec through a coil and the induced emf is 10 volt. Then the self-inductance of the coil will be:

    A) \[-1H\]

    B) \[-\frac{5}{4}H\]

    C) \[-\frac{4}{5}\]

    D) \[-\frac{2}{5}H\]

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  • question_answer5) If a long hollow copper pipe carries a current then the produced magnetic field will be:

    A) both inside and outside the pipe

    B) neither inside and nor outside pipe

    C) inside the pipe only

    D) outside the pipe only

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  • question_answer6) The bodies moving toward each other collide and move away in opposite direction. This is same as rise in temperature of bodies is due to apart of kinetic energy converted into:

    A) electrical energy

    B) nuclear energy

    C) mechanical energy

    D) heat energy

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  • question_answer7) A particle executes S.H.M. of amplitude Then the distance from the initial position, if its kinetic energy is equal to its potential energy:

    A) 0.71 A

    B) 1.42 A

    C) 0.375 A

    D) 0.91 A

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  • question_answer8) The two electric bulbs have 40 watt and 60w rating at 220V. Then the ratio of their resistance will be:

    A) 1 : 4

    B) 3 : 2

    C) 4 : 3

    D) 2 : 3

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  • question_answer9) If the earth losses its gravity then for body:

    A) weight becomes zero but not mass

    B) mass becomes zero but not the weight

    C) both mass and weight become zero

    D) neither mass nor weight become zero

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  • question_answer10) A box is lying on an inclined plane. If the box starts sliding when the angle of inclination is \[45{}^\circ ,\]then its coefficient of friction will be:

    A) 1

    B) 2

    C) \[\sqrt{3}\]

    D) \[\frac{\sqrt{3}}{2}\]

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  • question_answer11) In a semiconductor separation between conduction and valence band is of the order of :

    A) 0 eV

    B) 1 eV

    C) 10 eV

    D) 50 eV

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  • question_answer12) If an electron jumps from 1st orbit to IIIrd orbit, then it will:

    A) not gain energy

    B) absorb energy

    C) release energy

    D) none of these

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  • question_answer13) A person whose nearest distance of distinct vision is 60 cm uses a reading lens of 15 cm focal length. Then the magnification will be:

    A) 5

    B) 3

    C) 2

    D) 1

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  • question_answer14) If the magnetic material which moves from strong to weaker parts of magnetic field. Then it is called :

    A) anti-ferromagnetic

    B) ferromagnetic

    C) paramagnetic

    D) diamagnetic

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  • question_answer15) A resonance air column of length 17.4 cm resonates with a tuning fork of frequency 512 Hz. The speed of sound in air is :

    A) 356 m/s

    B) 330 m/s

    C) 343 m/s

    D) 372 m/s

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  • question_answer16) When a copper sphere is heated then the percentage increase is maximum in :

    A) diameter

    B) volume

    C) length

    D) area

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  • question_answer17) If the capacity of a spherical conductor is 1 picofarad then its diameter is :

    A) \[18\times {{10}^{-3}}m\]

    B) \[9\times {{10}^{-3}}m\]

    C) \[4.5\times {{10}^{-3}}m\]

    D) None of these

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  • question_answer18) A body is thrown vertically up from the ground. It reaches maximum height of 20 m in 5 sec then it will reach the ground from its maximum height position after:

    A) 10 sec

    B) 2 - 5 sec

    C) 7.5 sec

    D) 5 sec

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  • question_answer19) A man is standing on a spring platform. Reading of spring balance is 60 kg wt. If man jumps outside from the platform then the reading of spring balance will:

    A) become zero

    B) increase

    C) remains same

    D) first [b] then [a]

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  • question_answer20) If two balls, each of mass 0.06 kg moving in opposite direction with speed 4 m/s, collide and rebound with the same speed then impulse imarted to each ball become of other will be :

    A) 0.48 kg m/s

    B) 0.21 kg m/s

    C) 9.12 kg m/s

    D) none of these

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  • question_answer21) The intrinsic semiconductor become an insulator at:

    A) 0 K

    B) 300 K

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

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

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  • question_answer22) The spectrum obtained from sodium vapour lamp is an example of:

    A) absorption spectrum

    B) emissive spectrum

    C) continuous spectrum

    D) bond spectrum

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  • question_answer23) If 1000 droplets each of potential 1 volt and radius r are mixed to form a big drop. Then the potential of the drop as compared to small droplets, will be:

    A) 1000 volt

    B) 800 volt

    C) 100 volt

    D) 20 volt

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  • question_answer24) If a magnet of length 10 cm and pole strength 40 am is placed at an angle\[45{}^\circ \]in an uniform induction field intensity\[2\times {{10}^{-4}}T\]. The couple acting on it will be:

    A) \[0.5656\times {{10}^{-3}}Nm\]

    B) \[0.656\times {{10}^{-4}}N-m\]

    C) \[0.5656\times {{10}^{-5}}Nm\]

    D) \[0.5656\times {{10}^{-4}}N-m\]

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  • question_answer25) Kinetic energy of an electron accelerated in a potential difference of 1000 volt, will be:

    A) \[1.6\times {{10}^{-21}}\text{J}\]

    B) \[1.6\times {{10}^{-23}}\text{J}\]

    C) \[1.6\times {{10}^{-10}}\text{J}\]

    D) \[1.6\times {{10}^{-16}}\text{J}\]

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  • question_answer26) The equivalent resistance \[R{{p}_{Q}}\] between point \[p\] and \[Q\] will be:

    A) \[8\,\Omega \]

    B) \[2.4\,\Omega \]

    C) \[4.5\,\Omega \]

    D) \[3\,\Omega \]

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  • question_answer27) Two waves are said to be coherent, if they have:

    A) same frequency, phase and amplitude

    B) different phase and frequency and amplitude

    C) same phase and different amplitude

    D) same frequency but different amplitude

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  • question_answer28) In gases of diatomic molecules, the ratio of two specific heats of gases \[\frac{{{C}_{p}}}{{{C}_{\upsilon }}}\] is :

    A) 1.21

    B) 1.33

    C) 2.80

    D) 1.40

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  • question_answer29) Velocity time curve for body projected vertically upward is:

    A) hyperbola

    B) ellipse

    C) parabola

    D) straight line

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  • question_answer30) A bomb is fired from a cannon with a velocity of of 1000 m/s making an angle of\[30{}^\circ \] with the horizontal. The time taken by the bomb to reach the highest point, will be:

    A) 51 sec

    B) 25.5 sec

    C) 61 sec

    D) 21 sec

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  • question_answer31) A black body at a temperature of 900 K emits energy at a rate, which is proportional to:

    A) \[{{(900)}^{3}}\]

    B) \[{{(900)}^{4}}\]

    C) (900)

    D) \[{{(900)}^{2}}\]

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  • question_answer32) Number of electron emitted by a surface exposed to light is directly proportional to the:

    A) wavelength of light

    B) frequency of light

    C) intensity of light

    D) velocity of light

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  • question_answer33) The radium of a circular path of an electron moving in the magnetic field to its path is equal to:

    A) \[\frac{m\upsilon }{Be}\]

    B) \[\frac{me}{B}\]

    C) \[\frac{mE}{B}\]

    D) \[\frac{Be}{m\upsilon }\]

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  • question_answer34) A moving conductor coil produces an induced emf this is in accordance with :

    A) Ampere law

    B) Coulombs law

    C) Faradaya law

    D) Lenzs Law

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  • question_answer35) The coefficient of volumetric expansion of mercury is\[18\times {{10}^{-5}}{{/}^{0}}C.\] A thermometer bulb has value of\[{{10}^{-6}}{{m}^{3}}\]and crossectional of stem is \[0.002\text{ }c{{m}^{2}}\]assuming the bulb is tilled mercury at \[{}^\circ C\] the length of mercury at\[100{}^\circ C\] is:

    A) 18 cm

    B) 4.5 cm

    C) 2.25 cm

    D) 9 cm

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  • question_answer36) A hot electric iron has a resistance of 80\[\Omega \] and is used on a 200 volt source. The electrical energy spent, if used for 2 hrs, is:

    A) 8000Wh

    B) 2000Wh

    C) 1000Wh

    D) 500Wh

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  • question_answer37) A source is moving towards an observer with a speed of 20 m/s and having frequency of 240 Hz. The observer now moving towards the source with a speed of 20 m/s. Apparent frequency heard by the observer, is (velocity of sound = 340 m/s):

    A) 270 Hz

    B) 540 Hz

    C) 135 Hz

    D) 370 Hz

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  • question_answer38) A bomb is dropped from an aeroplane moving horizontally at constant speed, when air resistance is taken into consideration. Then the bomb :

    A) falls on the earth the exactly below the aeroplane

    B) tails on earth behind aeroplane

    C) falls with aeroplane

    D) falls on earth ahead the aeroplane

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  • question_answer39) A car of mass 1500 kg is moving with a speed of 12.5 m/s on a circular path of radius 20 cm on a level road. The coefficient of friction between the car and the road, so that the car does not slip, will be:

    A) 0.8

    B) 0.4

    C) 0.2

    D) 0.1

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  • question_answer40) If force \[\vec{F}=4\hat{i}+5\hat{j}\] and displace\[\vec{s}=3\hat{i}+10\hat{k}\] then the work done will be :

    A) \[4\times 6\]

    B) \[6\times 3\]

    C) \[5\times 6\]

    D) \[4\times 3\]

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  • question_answer41) Beilstein test is used for the detection of:

    A) N

    B) S

    C) \[Cl\]

    D) Na

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  • question_answer42) The mass of a compound of molecular formula \[{{C}_{60}}{{H}_{122}}\]is:

    A) \[1.4\times {{10}^{-21}}g\]

    B) \[3.7\times {{10}^{-23}}g\]

    C) \[4.1\times {{10}^{23}}g\]

    D) \[4.7\times {{10}^{23}}g\]

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  • question_answer43) The best water soluble hydroxide is:

    A) \[Ca{{(OH)}_{2}}\]

    B) \[Mg{{(OH)}_{2}}\]

    C) \[Sr{{(OH)}_{2}}\]

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

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  • question_answer44) In a period the elements are arranged in sequence of:

    A) increasing charge on the nucleus

    B) decreasing charge on the nucleus

    C) equal charge on the nucleus

    D) constant charge on the nucleus

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  • question_answer45) The most favourable condition for the manufacture of\[N{{H}_{3}}\]is:

    A) high temperature and high pressure

    B) low temperature and low pressure

    C) high temperature and low pressure

    D) low temperature and high pressure

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  • question_answer46) The number of sodium atoms present in 2.3 g of sodium are:

    A) \[6.023\times {{10}^{22}}\]

    B) \[6.012\times {{10}^{23}}\]

    C) \[2.323\times {{10}^{20}}\]

    D) \[2.323\times {{10}^{23}}\]

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  • question_answer47) At\[25{}^\circ C\]the average kinetic energy of an ideal gas per molecule in S.I. unit\[[N=6.02\times {{10}^{23}}]\]is:

    A) \[6.17\times {{10}^{-21}}J\]

    B) \[61.7\times {{10}^{-23}}J\]

    C) \[6.17\times {{10}^{-20}}J\]

    D) \[6.17\times {{10}^{-20}}J\]

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  • question_answer48) The Bohrs orbit radius for the hydrogen atom \[(n=1)\]is approximately\[0.53\overset{o}{\mathop{\text{A}}}\,\]. The radius for the first excite state\[(n=2)\]orbit is:

    A) \[0.27\overset{o}{\mathop{\text{A}}}\,\]

    B) \[1.27\overset{o}{\mathop{\text{A}}}\,\]

    C) \[2.12\overset{o}{\mathop{\text{A}}}\,\]

    D) \[3.12\overset{o}{\mathop{\text{A}}}\,\]

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  • question_answer49) Radioactive lead, si^207 has a half life of 8 hours. Starting from 1 mg of\[_{82}P{{b}^{207}}\]how much will remain after 24 hours?

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

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

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

    D) \[\frac{1}{6}mg\]

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  • question_answer50) The most readily absorpped gas on activated charcoal is:

    A) sulphur dioxide

    B) nitrogen

    C) hydrogen

    D) oxygen

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  • question_answer51) The reaction of alkyl halide and sodium metal in presence of dry ether is known as:

    A) Wurtzs reaction

    B) Clemmensen reaction

    C) Cannizzaros reaction

    D) Kolbes reaction

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  • question_answer52) The number of unpaired electrons in \[1{{s}^{2}},2{{s}^{2}}2{{p}^{3}}\]is:

    A) 1

    B) 2

    C) 3

    D) 5

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  • question_answer53) \[_{95}A{{m}^{241}}+X{{\xrightarrow[{}]{{}}}_{97}}B{{k}^{243}}+Y\] The value of X and Y must be:

    A) \[X{{=}_{2}}H{{e}^{4}},Y={{2}_{0}}{{n}^{1}}\]

    B) \[X=2e,Y=a\]

    C) \[X=a,Y=2e\]

    D) \[X={{2}_{0}}{{n}^{1}},Y=2{{a}^{4}}\]

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  • question_answer54) On heating\[MgC{{l}_{2}}.6{{H}_{2}}O,\]the product obtained is:

    A) \[MgCl\]

    B) \[MgO\]

    C) \[MgC{{l}_{2}}2{{H}_{2}}O\]

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

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  • question_answer55) The conversion of benzaldehyde into benzyl alcohol takes place by:

    A) Fitting reaction

    B) Wurtz fitting reaction

    C) Wurtz reaction

    D) Cannizzaros reaction

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  • question_answer56) The compound which does not have carboxyl group is:

    A) benzoic acid

    B) picric acid

    C) methanoic acid

    D) ethanoic acid

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  • question_answer57) A liquid which decompose at its normal pressure can be purified by:

    A) steam distillation

    B) sublimation

    C) fractional distillation

    D) vacuum distillation

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  • question_answer58) Which is not effected by temperature?

    A) Molality

    B) Molarity

    C) Normality

    D) Formality

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  • question_answer59) Nesslers reagent is:

    A) \[H{{g}_{2}}{{I}_{2}}+N{{H}_{4}}OH\]

    B) \[{{K}_{2}}Hg{{I}_{4}}+KOH\]

    C) \[KHg{{I}_{4}}+N{{H}_{4}}OH\]

    D) \[KHg{{I}_{2}}+KOH\]

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  • question_answer60) If the initial concentration of reactants in certain reaction is doubled, the half life period of the reaction doubles, the order of reaction is:

    A) 3rd

    B) 1st

    C) 2nd

    D) zero

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  • question_answer61) A gas has a vapour density 11.2. The volume occupies by 1 g of the gas at NTP is:

    A) 1L

    B) 11.2 L

    C) 22.4 L

    D) 4 L

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  • question_answer62) The highest first ionisation potential is of:

    A) carbon

    B) boron

    C) oxygen

    D) nitrogen

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  • question_answer63) By adding 25 ml of\[3\text{ }M\text{ }HCl\]to 75 ml of \[0.05M\text{ }HCl,\]the molarity of\[HCl\]in the resulting solution is:

    A) 0.7875

    B) 0.9346

    C) 1.2476

    D) 1.6684

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  • question_answer64) If\[n=3,\text{ }l=0\]and\[m=0,\]then atomic number is:

    A) 12, 13

    B) 13, 14

    C) 10, 11

    D) 11, 12

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  • question_answer65) On heating lead nitrate produce:

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

    B) \[NO\]

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

    D) \[{{N}_{2}}{{O}_{5}}\]

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  • question_answer66) lodoform reaction is not given by:

    A) acetayehyde

    B) acetone

    C) propanpl

    D) ethanol

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  • question_answer67) \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]is used for detecting:

    A) \[Z{{n}^{2+}}\]ion

    B) \[C{{u}^{2+}}\]ion

    C) \[F{{e}^{2+}}\]ion

    D) all of the above

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  • question_answer68) On hydrolysis maltose produce:

    A) galactose

    B) mannose

    C) glucose

    D) fructose

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  • question_answer69) Paracetamol is an:

    A) antibiotic

    B) antipyretic

    C) antimalarial

    D) analgesic

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  • question_answer70) Rhombic and monoclinic sulphur are at equilibrium at the transition temperature\[(95.5{}^\circ C)\]. The enthalpy of transition at\[95{}^\circ C\] is\[353.8Jmo{{l}^{-1}}\]. The entropy of transition is:

    A) \[0.46\text{ }J{{K}^{-1}}mo{{l}^{-1}}\]

    B) \[0.96\text{ }J{{K}^{-1}}mo{{l}^{-1}}\]

    C) \[1.12J{{K}^{-1}}mo{{l}^{-1}}\]

    D) \[1.42\text{ }J{{K}^{-1}}mo{{l}^{-1}}\]

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  • question_answer71) Benzaldehyde gives a positive test with:

    A) Tollens reagent

    B) Fehlings solution

    C) Benedicts solution

    D) all of the above

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  • question_answer72) One mole of an ideal gas at\[25{}^\circ C\]is subjected to expand reversibly ten times of its initial volume. The change in entropy of expansion is:

    A) \[12.13J{{K}^{-1}}mo{{l}^{-1}}\]

    B) \[15.17J{{K}^{-1}}mo{{l}^{-1}}\]

    C) \[17.15\text{ }J{{K}^{-1}}mo{{l}^{-1}}\]

    D) \[19.15J{{K}^{-1}}mo{{l}^{-1}}\]

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  • question_answer73) Which is not a colligative property?

    A) Osmotic pressure

    B) Optical activity

    C) Elevation in boiling point

    D) Depression in freezing point

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  • question_answer74) Acetylene contains bonds:

    A) \[4\sigma \]and\[1\pi \]

    B) \[3\sigma \]and\[2\pi \]

    C) \[5\sigma \]and\[2\pi \]

    D) \[5\sigma \]and\[3\pi \]

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  • question_answer75) The volume of 2.8 gm of carbon monoxide at \[27{}^\circ C\]and 0.821 atm pressure is [R = 0.0821 litre atm \[mo{{l}^{-1}}{{K}^{-1}}\]]:

    A)  0.5 litre            

    B)  1.51itrc

    C)  3 litre              

    D) 6 litre

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  • question_answer76) \[{{O}_{2}}\] molecule is:

    A) ferromagnetic

    B) paramagnetic

    C) diamagnetic

    D) none of these

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  • question_answer77) The correct order of electronegativity of halogens is:

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

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

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

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

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  • question_answer78) In sulphur detection of an organic compound, sodium nitropruside solution is added to sodium extract. Formation of violet colour is due to:

    A) \[N{{a}_{3}}Fe{{(CN)}_{6}}\]

    B) \[N{{a}_{3}}[Fe{{(CN)}_{5}}NOSNa]\]

    C) \[N{{a}_{3}}[Fe{{(CN)}_{5}}NS]\]

    D) \[Fe{{(CNS)}_{3}}\]

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  • question_answer79) Epsom salt is:

    A) \[MgS{{O}_{4}}.2{{H}_{2}}O\]

    B) \[MgS{{O}_{4}}.7{{H}_{2}}O\]

    C) \[BaS{{O}_{4}}.2{{H}_{2}}O\]

    D) \[CaS{{O}_{4}}.2{{H}_{2}}O\]

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  • question_answer80) Cobalt is present in:

    A) vitamin \[{{B}_{1}}\]

    B) vitamin \[{{B}_{2}}\]

    C) vitamin \[{{B}_{6}}\]

    D) vitamin \[{{B}_{12}}\]

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  • question_answer81) The solubility product of\[AgBr\]solution is \[4\times {{10}^{-13}}\] moles/litre. The Ag1 ion concentration in it is \[1\times {{10}^{-6}}\] moles/litre. The Br- ion concentration is:

    A) \[1\times {{10}^{-6}}\]

    B) \[2\times {{10}^{-6}}\]

    C) \[2\times {{10}^{-7}}\]

    D) \[4\times {{10}^{-7}}\]

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  • question_answer82) The number of water molecules present in Mohrs salt is:

    A) 5

    B) 6

    C) 8

    D) 10

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  • question_answer83) The rate of diffusion of hydrogen gas is:

    A) two times than He

    B) four times than He

    C) 1.4 times than He

    D) similar to He

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  • question_answer84) The number of essential amino acid in human being is:

    A) 10

    B) 12

    C) 14

    D) 16

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  • question_answer85) The monomers of terelene is:

    A) ethylene glycol and terephthalic acid

    B) adipic acid and hexamethylene diamine

    C) ethylene glycol and phthalic acid

    D) adipic acid and vinyl chloride

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  • question_answer86) The product formed by exposure of ether to oxygen and sunlight:

    A) alkane

    B) alkene

    C) oxide

    D) peroxide

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  • question_answer87) The hydrolysis of\[PC{{l}_{3}}\]produce:

    A) \[{{H}_{3}}P{{O}_{3}}\]

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

    C) \[HP{{O}_{3}}\]

    D) \[POC{{l}_{3}}\]

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  • question_answer88) Milk is:

    A) gel

    B) sol

    C) suspension

    D) emulsion

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  • question_answer89) The oxidation number of nitrogen in nitric acid is:

    A) +4

    B) +5

    C) \[-4\]

    D) \[-5\]

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  • question_answer90) Industrially methanol is produced from :

    A) \[C{{H}_{3}}COOH\]

    B) \[C{{H}_{3}}COC{{H}_{3}}\]

    C) \[C{{H}_{3}}CHO\]

    D) \[CO+{{H}_{2}}\]

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  • question_answer91) The standard e.m.f. for the cell reaction, \[2C{{u}^{2+}}_{(aq)}\xrightarrow[{}]{{}}C{{u}_{(s)}}+C{{u}^{2+}}(aq)\] is +0.36V at 298 K. The equilibrium constant of the reaction is:

    A) \[5\times {{10}^{6}}\]

    B) \[1.4\times {{10}^{12}}\]

    C) \[7.4\times {{10}^{12}}\]

    D) \[1.2\times {{10}^{6}}\]

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  • question_answer92) The standard e.m.f. of the cell, \[Cd(s)|CdC{{l}_{2}}(aq)(0.1M)||AgCl(s)|Ag(s)\]in which the cell reaction is: \[Cd(s)+2AgCl(s)\xrightarrow[{}]{{}}2Ag(s)+C{{d}^{2+}}(aq)\] \[+2C{{l}^{-}}(aq)\] is 0.6915 V at 0?C and 0.6753 V at\[25{}^\circ C\]. The enthalpy change of the reaction at\[25{}^\circ C\]is:

    A) \[-176kJ\]

    B) \[-234.7kJ\]

    C) \[+123.5\text{ }kJ\]

    D) \[-167.26\text{ }kJ\]

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  • question_answer93) Which of the following statement is true?

    A) The relative lowering of vapour pressure of a solution is equal to the mole fraction of the solute present in the solution

    B) Passage of solute molecules towards solution side through semipermeable membrane is osmosis.

    C) The boiling point of a solution is always lower than the solvent

    D) The boiling point of a liquid is the temperature at which its vapour pressure becomes equal to 260 mm

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  • question_answer94) The deviation from the ideal gas behaviour of a gas can be expressed as:

    A) \[Z=\frac{P}{VRT}\]

    B) \[Z=\frac{PV}{nRT}\]

    C) \[Z=\frac{nRT}{PV}\]

    D) \[Z=\frac{VR}{PT}\]

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  • question_answer95) Which of the following statement is not true?

    A) The pressure of a gas is due to collision of the gas molecules with the walls of the container

    B) The molecular velocity of any gas is proportional to the square root of the absolute temperature

    C) The rate of diffusion of a gas is directly proportional to the density of the gas at constant pressure

    D) Kinetic energy of an ideal gas is directly proportional to the absolute temperature

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  • question_answer96) The unit of second order reaction rate constant is:

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

    B) \[{{L}^{2}}.\text{ }mo{{l}^{-2}}.\text{ }{{s}^{-1}}\]

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

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

    View Answer play_arrow
  • question_answer97) Hess law states that:

    A) the standard enthalpy of an overall reaction is the sum of the enthalpy changes in individual reactions

    B) enthalpy of formation of a compound is same as the enthalpy of decomposition of the compound into constituent elements, but with opposite sign

    C) at constant temperature the pressure of a gas is inversely proportional to its volume

    D) the mass of a gas dissolved per litre of a solvent is proportional to the pressure of the gas in equilibrium with the solution

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  • question_answer98) The half-life of a reaction is halved as the initial concentration of the reactant is doubled. The order of the reaction is

    A) 0.5

    B) 1

    C) 2

    D) 0

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  • question_answer99) One gram of [A] decays by p-emission to 0.125 g in 200 years. The half-life period of the reaction is:

    A) 0.014 years

    B) 6.66 years

    C) 66.6 years

    D) 666 years

    View Answer play_arrow
  • question_answer100) Isotopes are:

    A) atoms of different elements having same mass number

    B) atoms of same elements having same mass number

    C) atoms of same elements having different mass number

    D) atoms of different elements having same number of neutrons

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  • question_answer101) How many tissue systems are suggested by Sachs:

    A) two

    B) three

    C) four

    D) five

    View Answer play_arrow
  • question_answer102) The function of vessel is :

    A) conduction of food

    B) conduction of water & minerals

    C) to help in transpiration

    D) to help in respiration

    View Answer play_arrow
  • question_answer103) When vegetative cells of sporophyte form an embryo it is called :

    A) Apospory

    B) Apogamy

    C) Apomixis

    D) Adventive polyembryony

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  • question_answer104) Which of the following is used for ripening of fruits ?

    A) Auxin

    B) ABA

    C) Ethylene gas

    D) Cytokinin

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  • question_answer105) Induction of flowering in plants by low temperature treatment is called :

    A) Vernalization

    B) Photoperiodism

    C) Cryobiology

    D) Chilozology

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  • question_answer106) The enzyme restriction endonucleases:

    A) cuts single strand of DNA

    B) joins the strands of DNA

    C) cuts double strand of DNA

    D) cuts RNA strand

    View Answer play_arrow
  • question_answer107) Kufri Pukhraj is a hybrid clone of:

    A) Rice

    B) Potato

    C) Grape

    D) Wheat

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  • question_answer108) Climatology is the science of:

    A) biotic factors

    B) climatic factors

    C) edaphic factors

    D) topographic factors

    View Answer play_arrow
  • question_answer109) Aril is the edible part of:

    A) Apple

    B) Grapes

    C) Orange

    D) Litchi

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  • question_answer110) Pyruvic acid is formed during :

    A) Krebs cycle

    B) Glycolysis

    C) Omithine cycle

    D) Calvin cycle

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  • question_answer111) Phagocytosis was observed first time by:

    A) Huxley

    B) Strassburger

    C) Matchnikoff

    D) Haeckel

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  • question_answer112) Poisonous sea-snakes possess a :

    A) compressed tail

    B) printed tail

    C) depressed tail

    D) conical tail

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  • question_answer113) When seed germinates, while the fruit is attached to parent plant, it is called:

    A) apomixes

    B) vivipary

    C) parthenocarpy

    D) parthenogenesis

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  • question_answer114) Blue-green alga are included in:

    A) protista

    B) fungi

    C) prokaryotes

    D) bryophytes

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  • question_answer115) Echidna is found in:

    A) India

    B) Africa

    C) Malaya

    D) Australia

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  • question_answer116) Cellulose is a :

    A) Monosaccharide

    B) Disaccharide

    C) Polysaccharide

    D) Lipid

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  • question_answer117) The stored food material of muscles is :

    A) Starch

    B) Glycogen

    C) Lipid

    D) Protein

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  • question_answer118) Urease enzyme was obtained from :

    A) Urine

    B) Canavalia

    C) Ficus fruit

    D) Pancreas

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  • question_answer119) Which of the following is involved in transfer of electrons in photosynthesis ?

    A) phytochrome

    B) cytochrome

    C) photohormone

    D) desmosome

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  • question_answer120) Plant growth is :

    A) limited

    B) unlimited

    C) diffused

    D) irretic

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  • question_answer121) Hormone produced during leaf fall is :

    A) IAA

    B) ABA

    C) Florigen

    D) KN

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  • question_answer122) Climacteric fruit shows :

    A) high respiration rate at ripening

    B) sudden change in taste

    C) sudden change in colour & shape

    D) none of the above

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  • question_answer123) The joint of radio-ulna with upper arm is:

    A) higne joint

    B) gliding joint

    C) socket joint

    D) pivot joint

    View Answer play_arrow
  • question_answer124) Rough endoplasmic reticulum differs from smooth walled endoplasmic reticulum due to the presence of:

    A) DNA

    B) ribosome

    C) Ergastic substance

    D) nucleus

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  • question_answer125) Apoenzyme is:

    A) protein

    B) vitamin

    C) carbohydrate

    D) amino acid

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  • question_answer126) The basic unit of classification of plants & animals is:

    A) genus

    B) species

    C) variety

    D) sub species

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  • question_answer127) Sex organs in Funaria develop :

    A) is axil of leaf

    B) at tip of gametophore

    C) inside capsule

    D) in protonema

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  • question_answer128) Edible part of cauliflower is :

    A) bud

    B) leaves

    C) inflorescence

    D) fruit

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  • question_answer129) Which of the following has no stomata ?

    A) Hydrophytes

    B) Submerged hydrophytes

    C) Xerophytes

    D) Mesophytes

    View Answer play_arrow
  • question_answer130) Living fossil is :

    A) Pinus

    B) Cycas

    C) Ginkgo

    D) Ephedra

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  • question_answer131) The poisonous fluid present in the nematocyst of Hydra is :

    A) venom

    B) toxin

    C) hypnotoxin

    D) haematin

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  • question_answer132) Which of the following substance is at its lowest level in fish food ?

    A) Actin

    B) Myosin

    C) Cholesterol

    D) Tissue fluid

    View Answer play_arrow
  • question_answer133) Cumulus covers:

    A) ovary

    B) ovum

    C) zygote

    D) embryo

    View Answer play_arrow
  • question_answer134) The disorders like alkaptonuria and phenylkctonuria are referred as:

    A) acquired disease

    B) infection disease

    C) congential disease

    D) all the above

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  • question_answer135) Which of the following is a communicable disease ?

    A) Hypertension

    B) Diabetes

    C) Kwasniorkor

    D) Diphtheria

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  • question_answer136) The development of adult characteristics in a moulting insect is promoted by :

    A) thyroxine

    B) ecdysone

    C) pheromone

    D) juvanile hormone

    View Answer play_arrow
  • question_answer137) Who discovered that malaria is transmitted by mosquitoes ?

    A) Ronald Ross

    B) Lancisi

    C) Grnssi

    D) Laveron

    View Answer play_arrow
  • question_answer138) Which of the following is largest gland in adult man ?

    A) Thymus

    B) Liver

    C) Thyroid

    D) Pancreas

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  • question_answer139) Digestion of glucose takes pake in :

    A) colon

    B) caucus

    C) small intestine

    D) large intestine

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  • question_answer140) Sensation of stomach pain is due to :

    A) exteroceptors

    B) interoceptors

    C) teloreceptors

    D) proprioceptors

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  • question_answer141) Example of ophiveroidea is :

    A) Star fish

    B) Brittle star

    C) Sea urchin

    D) Sand dwellers

    View Answer play_arrow
  • question_answer142) Flatworms are:

    A) acoelomates

    B) coclomates

    C) haemocoelomates

    D) pseudocoelomates

    View Answer play_arrow
  • question_answer143) Which of the following class of Protozoa is totally parasitic ?

    A) Ciliata

    B) Sporozoa

    C) Sarcodina

    D) Mastigophora

    View Answer play_arrow
  • question_answer144) Which of the following is colourless Hydra ?

    A) H.fusca

    B) H. oligactes

    C) H. virides

    D) H. vulgaris

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  • question_answer145) During hibernation period, frogs respiration is:

    A) cutaneous

    B) pulmonary

    C) pharyngeal

    D) buccopharyngeal

    View Answer play_arrow
  • question_answer146) Anti-malarial drug quinine is extracted from bark of:

    A) Mango

    B) Cinnamon

    C) Cinchona

    D) Commune

    View Answer play_arrow
  • question_answer147) The technique of growing plants in water culture is called:

    A) Ikebana

    B) Hydroponics

    C) Tissue culture

    D) Cell-culture

    View Answer play_arrow
  • question_answer148) Which of the following plant shows multiple epidermis:

    A) Palm

    B) Ficus

    C) Croton

    D) Cuciirbita

    View Answer play_arrow
  • question_answer149) The correct sequence of electron acceptor in ATP synthesis:

    A) \[cyt.\text{ }a,{{a}_{3}},\text{ }b,\text{ }c\]

    B) \[cyt.\text{ }b,\text{ }c,\text{ }a,\text{ }{{a}_{3}}\]

    C) \[cyt.b,{{c}_{3}},\text{ }a,\text{ }{{a}_{3}}\]

    D) \[cyt.\text{ }c,\text{ }b,a,{{a}_{3}}\]

    View Answer play_arrow
  • question_answer150) Which of the following is parastic ?

    A) Nostoc

    B) Polysiphonia

    C) Chara

    D) Cephaleuros

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  • question_answer151) The edible plant part of mushroom is:

    A) basidiocarp

    B) primary mycelium

    C) secondary mycelium

    D) all of the above

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  • question_answer152) What will happen if plant cells are placed in hypertonic solution?

    A) Turgid

    B) Plasmolysed

    C) Deplasmolysed

    D) Lysed

    View Answer play_arrow
  • question_answer153) Loss of water from tips of leaf is called:

    A) bleeding

    B) gestation

    C) respiration

    D) transpiration

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  • question_answer154) Pond is an example of ecosystem:

    A) artifical

    B) natural

    C) forest

    D) grassland

    View Answer play_arrow
  • question_answer155) Which of the following occurs in fresh as well as marine water ?

    A) Spirogyra

    B) Clai lophorn

    C) Oedogonium

    D) None of the above

    View Answer play_arrow
  • question_answer156) Big bang theory was proposed by:

    A) Kant

    B) Miller

    C) Lemaitre

    D) Darwin

    View Answer play_arrow
  • question_answer157) Opium (aphim) is obtained from :

    A) Crotalaria

    B) Coffea

    C) Ramwifia

    D) Papaver sonmiferum

    View Answer play_arrow
  • question_answer158) Which is man made cereal?

    A) Triticum

    B) Hordeum

    C) Triticale

    D) Elusin

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  • question_answer159) Branched conidiophores are present in :

    A) Rhizopus

    B) Penicillium

    C) Ustilago

    D) Aspegrillus

    View Answer play_arrow
  • question_answer160) Crown gall is caused by :

    A) Mycoplasma

    B) Candida

    C) Agrobacterium

    D) Yeast

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  • question_answer161) The membrane surrounding cell vacuole is called:

    A) tonoplast

    B) cell wall

    C) plasma membrane

    D) cell membrane

    View Answer play_arrow
  • question_answer162) National Botanical Research Institute (NBRI) is situated at:

    A) Lucknow

    B) Bombay

    C) Calcutta

    D) Delhi

    View Answer play_arrow
  • question_answer163) Nissles granules are found in :

    A) liver cells

    B) nerve cells

    C) kidney

    D) heart

    View Answer play_arrow
  • question_answer164) Hutchinson system of classification is :

    A) Natural

    B) Artifical

    C) Phylogenetic

    D) Binomial

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  • question_answer165) Thennal pollution is caused by :

    A) power plants

    B) industries

    C) automobiles

    D) all the above

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  • question_answer166) Pure line breed refers to :

    A) homozygosity, independent assortmant only

    B) hetirozygosity and linkage

    C) heterozygosity only

    D) none of the above

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  • question_answer167) Two free ribonucleotide units are interlinked with:

    A) peptide bond

    B) covalent bond

    C) hydrogen bond

    D) phosphodiester bond

    View Answer play_arrow
  • question_answer168) Which of the following is related to increase in girth of plant ?

    A) Shoot apex

    B) Root apex

    C) Lateral meristem

    D) Intercalary meristem of stamen

    View Answer play_arrow
  • question_answer169) Monoadelphous character is found in :

    A) Brassicaceae

    B) Malvaceae

    C) Poaceae

    D) Solanaceae

    View Answer play_arrow
  • question_answer170) If an organism is crossed with homozygous recessive individual, it is called :

    A) back cross

    B) test cross

    C) simple cross

    D) complex cross

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  • question_answer171) Humus is:

    A) dead and decayed organic matter

    B) living matter

    C) fertilizers

    D) living animal/plants/microbes

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  • question_answer172) Bryophytes lack true :

    A) roots

    B) stem

    C) leaves

    D) all the above

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  • question_answer173) Scurvy is caused due to deficiency of vitamin:

    A) B complex

    B) C

    C) K

    D) D

    View Answer play_arrow
  • question_answer174) Which of the following has most reduced form of stem ?

    A) Rhizome

    B) Stolons

    C) Runner

    D) Bulb

    View Answer play_arrow
  • question_answer175) Binomial nomenclature indicates :

    A) genus and species

    B) genus and family

    C) species and variety

    D) phylum and genus

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  • question_answer176) Which is haploid in case of Cycas ?

    A) Stem

    B) Root

    C) Endosperm

    D) All the above

    View Answer play_arrow
  • question_answer177) Tetradynamous stamens are- found in :

    A) Brassica

    B) Pisum

    C) Hibiscus

    D) Cucurbita

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  • question_answer178) Pollinia are present in family :

    A) Brassicaceae

    B) Cucurbitaceae

    C) Asclepiadaceae

    D) Malvaceae

    View Answer play_arrow
  • question_answer179) Nuclear endosperm is present in :

    A) Banana

    B) Coconut

    C) Phoenix

    D) Mango

    View Answer play_arrow
  • question_answer180) Genetic code is :

    A) universal

    B) non-ambiguous

    C) triplet

    D) all the above

    View Answer play_arrow
  • question_answer181) Cytoplasmic inheritance is due to :

    A) mitochondria

    B) Kappa particles

    C) both a and b

    D) none of these

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  • question_answer182) Hurlers disease is caused by the absence of:

    A) mitochondria

    B) lysosomes

    C) lomosomes

    D) mesosomes

    View Answer play_arrow
  • question_answer183) Which of the following is bounded by double membrane:

    A) Chloroplast

    B) Mitochondria

    C) Nucleus

    D) All the above

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  • question_answer184) The process of formation of glycogen from glucose is called ?

    A) Glycogenesis

    B) Lipogenesis

    C) Gluconeogensis

    D) Glycogenolysis

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  • question_answer185) The amount of energy given by one molecule of ATP is :

    A) 7.6 kcal

    B) 7.3 kcal

    C) 6.86 kcal

    D) 7.06 kcal

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  • question_answer186) Which of the following is enucleate at maturity ?

    A) Cortical cell

    B) Cambial cell

    C) Meristematic cell

    D) Sieve tube cell

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  • question_answer187) The cambuim which produces cork is called as:

    A) Phelloderm

    B) Phellogen

    C) Periblem

    D) Plerome

    View Answer play_arrow
  • question_answer188) Casparian strips are characteristic feature of endodermis and made up of :

    A) cutin

    B) pectin

    C) suberin

    D) cellulose

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  • question_answer189) Root pressure is measured by :

    A) Manometer

    B) Potometer

    C) Auxanometer

    D) Osmometer

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  • question_answer190) Substrate for photorespiration is :

    A) Glycolate

    B) Glucose

    C) Lipid

    D) Sucrose

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  • question_answer191) In aquaria, green plants are grown for:

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

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

    C) beauty

    D) all the above

    View Answer play_arrow
  • question_answer192) Which of the following is releated with transfer of food material ?

    A) Xylem

    B) Collenchyma

    C) Phloem

    D) Parenchyma

    View Answer play_arrow
  • question_answer193) Vitamin containing cobalt is:

    A) \[A\]

    B) \[{{B}_{6}}\]

    C) \[{{B}_{1}}\]

    D) \[{{B}_{12}}\]

    View Answer play_arrow
  • question_answer194) Which cells do not divide after birth?

    A) Nerve cells

    B) Germ cells

    C) Muscle cells

    D) Osteocytes

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  • question_answer195) Main function of cerebellum is :

    A) Balancing

    B) Sight

    C) Hearing

    D) Memory

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  • question_answer196) Meiosis occurs in:

    A) root cells

    B) stem cells

    C) leaf cells

    D) pollen mother cells

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  • question_answer197) Genetic material of TMV is:

    A) RNA

    B) DNA

    C) DNAandRNA

    D) none of these

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  • question_answer198) Bacteria with flagella all over body is called :

    A) peritrichous

    B) monotrichous

    C) lophotrichous

    D) amphitrichous

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  • question_answer199) The largest cell organelle is :

    A) mitochondria

    B) chloroplast

    C) golgibody

    D) chromosome

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  • question_answer200) Which of the following is unicellular?

    A) Yeast

    B) E. coli

    C) Acetabularia

    D) All the above

    View Answer play_arrow



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