Solved papers for Haryana PMT Haryana PMT Solved Paper-2005

done Haryana PMT Solved Paper-2005

  • question_answer1) If a, b, c and d are mass, length, time and current respectively, then \[{{b}^{2}}a/{{c}^{3}}d\] has the dimensions of :

    A) capacitance

    B) electric field

    C) permittivity

    D) electric potential

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  • question_answer2) Which of the following is in correct?

    A) \[\overrightarrow{\text{a}}\text{.(}\overrightarrow{\text{b}}\text{+}\overrightarrow{\text{c}}\text{)=}\overrightarrow{\text{b}}\text{.}\,\overrightarrow{\text{a}}\text{+}\overrightarrow{\text{a}}\text{.}\,\overrightarrow{\text{c}}\]

    B) \[\overrightarrow{\text{a}}\text{ }\!\!\times\!\!\text{ (}\overrightarrow{\text{b}}\text{+}\overrightarrow{\text{c}}\text{)=}\,\text{(}\overrightarrow{\text{a}}\text{ }\!\!\times\!\!\text{ }\overrightarrow{\text{c}}\text{) }\!\!\times\!\!\text{ }\,\text{(}\overrightarrow{\text{a}}\text{ }\!\!\times\!\!\text{ }\overrightarrow{\text{b}}\text{)}\]

    C) \[\overrightarrow{\text{a}}\text{ }\!\!\times\!\!\text{ (}\overrightarrow{\text{b}}\text{.}\overrightarrow{\text{c}}\text{)=}\,\text{(}\overrightarrow{\text{a}}\text{ }\!\!\times\!\!\text{ }\overrightarrow{\text{b}}\text{)}\text{.}\,\text{(}\overrightarrow{\text{a}}\text{ }\!\!\times\!\!\text{ }\overrightarrow{\text{c}}\text{)}\]

    D) \[\text{(}\overrightarrow{\text{b}}\text{.}\overrightarrow{\text{c}}\text{)}\,\overrightarrow{\text{a}}\text{=}\overrightarrow{\text{a}}\,\text{(}\overrightarrow{\text{a}}\text{.}\overrightarrow{\text{b}}\text{)}\]

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  • question_answer3) How long will a passenger sitting at the window of a train travelling at a speed of 54 km/h see a train, passing by in the opposite direction with a speed of 36 km/h, if the length of the second train is 150 metre?

    A) 10 second

    B) 6 second

    C) 6 minute

    D) 8 minute

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  • question_answer4) A small body of mass m slides without friction from the top of a hemisphere of radius r. The point at which the body will be detached from the surface of hemisphere, is :

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

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

    C) \[\frac{2}{3}r\]

    D) 2r

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  • question_answer5) The force required to just move a body up an inclined plane is double the force required to just prevent it from sliding down. If \[\text{ }\!\!\theta\!\!\text{ }\] is the angle of friction and \[\text{ }\!\!\theta\!\!\text{ }\] is the angle which the plane makes with the horizontal, then :

    A) tan \[\phi \] = 2tan \[\text{ }\!\!\theta\!\!\text{ }\]

    B) tan \[\phi \] = 3tan \[\text{ }\!\!\theta\!\!\text{ }\]

    C) tan \[\phi \] = tan \[\text{ }\!\!\theta\!\!\text{ }\]

    D) tan \[\text{ }\!\!\theta\!\!\text{ }\] = 3tan \[\phi \]

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  • question_answer6) A constant force acting on a moving particle does not work on it. It can be necessarily inferred that :

    A) the change in its velocity is zero

    B) the change in its acceleration is zero

    C) the change in its linear momentum is zero

    D) the change in its speed is zero

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  • question_answer7) The angular speed of a body changes from \[{{\omega }_{1}}\] to \[{{\omega }_{2}}\] without applying a torque, but due to change in moment of inertia. The ratio of radii of gyration in the two cases is :

    A) \[\sqrt{{{\omega }_{1}}}:\sqrt{{{\omega }_{2}}}\]

    B) \[\sqrt{{{\omega }_{2}}}:\sqrt{{{\omega }_{1}}}\]

    C) \[{{\omega }_{2}}:{{\omega }_{1}}\]

    D) \[{{\omega }_{1}}:{{\omega }_{2}}\]

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  • question_answer8) A satellite launch station should be :

    A) near the equatorial region

    B) near the polar region

    C) on the polar axis

    D) all the locations are equally good

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  • question_answer9) If both the mass and radius of earth decrease by 1%, the value of : (i) acceleration due to gravity would increase by 1% (ii) acceleration due to gravity would decrease by 1% (ill) escape velocity from earths surface would decrease by 1% (iv)the gravitational potential energy of a body on earths surface will remain unchanged

    A) (I) and (Ill)

    B) (i) and (iv)

    C) (ii) and (iv)

    D) (Ill) and (iv)

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  • question_answer10) The bob of a simple pendulum is a hollow spherical ball filled with water. If a small hole is made in its bottom, then the time period of pendulum will :

    A) decrease

    B) increase

    C) remain same

    D) first increase then decrease

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  • question_answer11) A particle is moving with S.H.M in a straight line. When the distance of the particle from equilibrium position has values \[{{x}_{1}}\]and \[{{x}_{2}}\] the corresponding values of velocities are \[{{u}_{1}}\] and \[{{u}_{2}}\] The time period of oscillation Is :

    A) \[2\pi {{\left( \frac{x_{1}^{2}-x_{2}^{2}}{u_{1}^{2}-u_{2}^{2}} \right)}^{1/2}}\]

    B) \[2\pi {{\left( \frac{x_{2}^{2}-x_{1}^{2}}{u_{1}^{2}-u_{2}^{2}} \right)}^{1/2}}\]

    C) \[2\pi {{\left( \frac{{{x}_{2}}-{{x}_{1}}}{{{u}_{2}}-{{u}_{1}}} \right)}^{{}}}\]

    D) \[2\pi {{\left( \frac{{{x}_{2}}-{{x}_{1}}}{{{u}_{1}}-{{u}_{2}}} \right)}^{{}}}\]

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  • question_answer12) Two perfect gases at absolute temperatures \[{{T}_{1}}\] and \[{{T}_{2}}\]are mixed. There is no loss of energy. The temperature of mixture if masses of molecules are \[{{m}_{1}}\] and \[{{m}_{2}}\] and the number of molecules in the gases are \[{{n}_{1}}\] and \[{{n}_{2}}\] respectively, is :

    A) \[\frac{{{T}_{1}}+{{T}_{2}}}{2}\]

    B) \[\frac{{{n}_{1}}{{T}_{1}}+{{n}_{2}}{{T}_{2}}}{{{n}_{1}}+{{n}_{2}}}\]

    C) \[\frac{{{n}_{1}}{{T}_{2}}+{{n}_{2}}{{T}_{1}}}{{{n}_{1}}+{{n}_{2}}}\]

    D) \[\sqrt{{{T}_{1}}{{T}_{2}}/{{n}_{1}}{{n}_{2}}}\]

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  • question_answer13) A faulty thermometer has its fixed point marked as 5? and 95?. The temperature of a body as measured by the faulty thermometer is 59?. The correct temperature of the body on Celsius scale is :

    A) 40?C

    B) 60?C

    C) 20?C

    D) 30?C

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  • question_answer14) A black body at .temperature \[{{10}^{4}}K\]radiates maximum energy at wavelength \[500\overset{\text{o}}{\mathop{\text{A}}}\,\]. If the temperature is Increased 10 times, the maximum energy would be radiated at wavelength equal to :

    A) \[50000\overset{\text{o}}{\mathop{\text{A}}}\,\]

    B) \[500\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C) \[50\overset{\text{o}}{\mathop{\text{A}}}\,\]

    D) \[5\overset{\text{o}}{\mathop{\text{A}}}\,\]

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  • question_answer15) The heat capacity of source and sink of Carnot heat- engine are respectively \[\left( in\text{ }cal/{}^\circ C \right)\] :

    A) 0.1 and 0.5

    B) 1 and 1

    C) 0.5 and 0.1

    D) \[\infty \] and \[\infty \]

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  • question_answer16) One mole of an ideal gas is compressed adiabatically, Its internal energy will :

    A) decrease

    B) increase

    C) remain same

    D) first Increase then decrease

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  • question_answer17) Sound travels faster after rain than on a dry day because :

    A) the temperature of the atmosphere increases after rain

    B) the density of air increases after rain

    C) the humidity in the air increases after rain

    D) none of these

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  • question_answer18) A wave represented by the equation \[\text{y=acos}\,\text{(kx- }\!\!\omega\!\!\text{ t)}\] is superimposed with another wave to form a stationary wave such that the point x = 0 is a node. The equation of the other wave is :

    A) \[a\sin \,(kx-\omega t)\]

    B) \[-a\cos (kx-\omega t)\]

    C) \[-a\cos (kx+\omega t)\]

    D) \[-a\cos (kx+\omega t)\]

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  • question_answer19) The difference between the apparent frequencies of a source of sound as perceived by a stationary observer during its approach and recession is 2% of the actual frequency of the source. If the speed of sound is 300 metre/sec, the speed of source is :

    A) \[1.5m{{s}^{-1}}\]

    B) \[3\text{ }m{{s}^{-1}}\]

    C) \[6m{{s}^{-1}}\]

    D) \[~0.25\text{ }km{{s}^{-1}}\]

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  • question_answer20) Which of the following electromagnetic waves have the longest wavelength?

    A) Heat waves

    B) Light waves

    C) Radio waves

    D) Microwaves

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  • question_answer21) An object is placed at a distance 2\[f\]from the pole of a curved mirror (concave or convex) of focal length \[f\] . Then :

    A) the linear magnification is 1, for both types of curved mirrors

    B) the linear magnification is 1 for a convex mirror

    C) the linear magnification is 1/3 for a convex mirror

    D) none of these

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  • question_answer22) A convex lens of focal length 0.2 metre and made of glass \[(\mu =1.5)\] is immersed in water \[(\mu =1.33).\] The change in focal length is :

    A) 0.08 m

    B) 0.58 m

    C) 0.68 m

    D) 0.2 m

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  • question_answer23) Large aperture telescopes are used for :

    A) greater resolution

    B) greater magnification

    C) reducing lens aberration

    D) ease of manufacturer

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  • question_answer24) Two coherent sources of intensity ratio \[\beta \] interfere. Then the value of\[({{I}_{\max }}-{{I}_{\min }})/({{I}_{\max }}+{{I}_{\min }})\]is:

    A) \[\frac{\text{1+ }\!\!\beta\!\!\text{ }}{\sqrt{\text{ }\!\!\beta\!\!\text{ }}}\]

    B) \[\sqrt{\left( \frac{\text{1+ }\!\!\beta\!\!\text{ }}{\text{ }\!\!\beta\!\!\text{ }} \right)}\]

    C) \[\frac{\text{1+ }\!\!\beta\!\!\text{ }}{\text{2}\sqrt{\text{ }\!\!\beta\!\!\text{ }}}\]

    D) \[\frac{\text{2}\sqrt{\text{ }\!\!\beta\!\!\text{ }}}{\text{1+ }\!\!\beta\!\!\text{ }}\]

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  • question_answer25) The correct curve between the stopping





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  • question_answer26) Two charges are placed at a certain distance apart in air. If the glass slab is introduced between .them, the force between them will :

    A) increase

    B) decrease

    C) remain same

    D) be zero

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  • question_answer27) The charge on capacitors in the following figure is :

    A) \[\frac{32}{3}\]coulomb

    B) 8 coulomb

    C) zero

    D) \[\infty \]

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  • question_answer28) Two identical mercury drops each of radius r are charged to the same potential V. If the mercury drops coalesce to form a big drop of radius R, then potential of the combined drop will be :

    A) \[{{\left( 2 \right)}^{3/2}}V\]

    B) \[{{\left( 2 \right)}^{2/3}}V\]

    C) \[{{\left( 3 \right)}^{2/3}}V\]

    D) \[{{\left( 3 \right)}^{1/2}}V\]

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  • question_answer29) A cell of emf E and internal resistance r,





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  • question_answer30) A resistor R has power dissipation P with cell voltage E. The resistor is cut in n equal parts and all parts are connected in parallel with same cell. The new power dissipation is :

    A) \[np\]

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

    C) \[{{n}^{2}}p\]

    D) \[n/p\]

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  • question_answer31) Electroplating does not help metals to :

    A) give fine finish to the surface

    B) give shining appearance

    C) become hard

    D) protect against corrosion

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  • question_answer32) A moving charge will produce :

    A) no field

    B) an electric field

    C) a magnetic field

    D) both (b) and (c)

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  • question_answer33) A wire of length \[L\] metre carrying a current \[I\] ampere is bent in the form of a circle. The magnitude of its magnetic moment is :

    A) \[IL/4\pi \]

    B) \[{{I}^{2}}{{L}^{2/}}4\pi \]

    C) \[{{I}^{2}}L/8\pi \]

    D) \[I{{L}^{2}}/8\pi \]

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  • question_answer34) The dip at a place is \[\delta \]. For measuring it, the axis of the dip needle is perpendicular to the magnetic meridian. If the axis of the dip needle makes an angle \[\text{ }\!\!\theta\!\!\text{ }\] with the magnetic meridian, the apparent dip will be given by :

    A) tan \[\delta \] cosec \[\text{ }\!\!\theta\!\!\text{ }\]

    B) tan \[\delta \] sin \[\text{ }\!\!\theta\!\!\text{ }\]

    C) tan \[\delta \] cos \[\text{ }\!\!\theta\!\!\text{ }\]

    D) tan \[\delta \] sec \[\text{ }\!\!\theta\!\!\text{ }\]

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  • question_answer35) At Curie point, a ferromagnetic material becomes :

    A) non-magnetic

    B) diamagnetic

    C) paramagnetic

    D) strong ferromagnetic

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  • question_answer36) For a solenoid having a primary coil of \[{{N}_{1}}\] turns and a secondary coil of \[{{N}_{2}}\] turns, the coefficient of mutual inductance is :

    A) \[{{\mu }_{0}}{{\mu }_{r}}\frac{{{N}_{1}}{{N}_{2}}}{l}\]

    B) \[\frac{{{\mu }_{0}}{{\mu }_{r}}{{N}_{1}}{{N}_{2}}}{Al}\]

    C) \[{{\mu }_{0}}{{\mu }_{r}}{{N}_{1}}{{N}_{2}}Al\]

    D) \[\frac{{{\mu }_{0}}{{\mu }_{1}}{{N}_{1}}{{N}_{2}}A}{l}\]

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  • question_answer37) A changing electric Held gives rise to :

    A) an electric field

    B) an emf

    C) a magnetic field

    D) an electric discharge

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  • question_answer38) Consider an electron in the nth orbit of a hydrogen atom in the Bohr model. The circumference of the orbit can be expressed in terms of the de-Broglie wavelength \[\lambda \] of that electron as :

    A) (0.529)\[n\lambda \]

    B) \[\sqrt{n\lambda }\]

    C) (13.6)\[\lambda \]

    D) \[n\lambda \]

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  • question_answer39) If the wavelength of the first line of the Balmer series of hydrogen is \[6561\overset{\text{o}}{\mathop{\text{A}}}\,\] the wavelength of second line of the series will be :

    A) \[13122\overset{\text{o}}{\mathop{\text{A}}}\,\]

    B) \[2187\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C) \[4860\overset{\text{o}}{\mathop{\text{A}}}\,\]

    D) \[3280\overset{\text{o}}{\mathop{\text{A}}}\,\]

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  • question_answer40) Radius of first Bohr orbit is r. What is the radius of second Bohr orbit?

    A) 4r

    B) 2r

    C) 8r

    D) 2\[\sqrt{2}\]r

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  • question_answer41) Two radioactive materials A and B have decay constants 10 \[\lambda \] and \[\lambda \] respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of A to that of B will be 1/e after a time :

    A) \[\frac{1}{10\lambda }\]

    B) \[\frac{1}{11\lambda }\]

    C) \[\frac{1}{10\lambda }\]

    D) \[\frac{1}{9\lambda }\]

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  • question_answer42) At a specific instant, emission of radioactive compound is not deflected in a magnetic field. The compound can emit :

    A) electrons

    B) protons

    C) neutrons

    D) deuterons

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  • question_answer43) In a nuclear reaction \[C_{6}^{11}\xrightarrow{{}}B_{5}^{11}+{{\beta }^{+}}+\] X. what does X stand for?

    A) An electron

    B) A proton

    C) A neutron

    D) A neutrino

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  • question_answer44) What makes the crystalline solids to have a sharp melting point ?

    A) Anisotropic nature

    B) Long range order of the order of atoms/ions/molecules

    C) Equal strength of all the interatomic bonds

    D) None of these

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  • question_answer45) The density for simple cubic lattice is : (a) \[4A/{{a}^{3}}\] (b) \[2A/N{{a}^{3}}\] (c) \[A/N{{a}^{3}}\] (d)\[A/N{{a}^{2}}\] where A= atomic number, \[a\]= lattice parameter, N= Avogadros number

    A) OR gate

    B) AND gate

    C) NOR gate

    D) XOR gate

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  • question_answer46) Which of the following gas has highest heat of combustion?

    A) Methane

    B) Ethane

    C) Ethene

    D) Ethyne

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  • question_answer47) In the reaction\[A(s)+B(g)+heat\]\[2C(s)+2D(g)\]at equilibrium, pressure of B is doubled to re-establish the equilibrium. The factor by which concentration of D is changed, is:

    A) \[\sqrt{2}\]

    B) \[2\]

    C) \[3\]

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

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  • question_answer48) The acid, not suitable for the preparation of hydrogen by the action of metals, is:

    A) \[HCl\]

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

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

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

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  • question_answer49) Which of the following is the strongest nucleophile?

    A) \[{{F}^{-}}\]

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

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

    D) \[NH_{2}^{-}\]

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  • question_answer50) The number of isomers which can be represented by formula \[{{C}_{2}}FClBrI\], is:

    A) \[3\]

    B) \[8\]

    C) \[4\]

    D) \[6\]

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  • question_answer51) When acetaldehyde is heated with Fleming solution, it gives a precipitate of:

    A) \[Cu\]

    B) \[CuO\]

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

    D) \[Cu+C{{u}_{2}}O+CuO\]

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  • question_answer52) At \[{{90}^{o}}C\], pure water has \[{{H}_{3}}{{O}^{+}}\] ion concentration of \[{{10}^{-6}}\] mole\[litr{{e}^{-1}}\]. \[pOH\] of water at this temperature is:

    A) \[8\]

    B) \[6\]

    C) \[7.04\]

    D) cannot be determined

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  • question_answer53) Sodium nitrate decomposes above \[{{800}^{o}}C\]to give:

    A) \[{{N}_{3}}\]

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

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

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

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  • question_answer54) Lightest alkaline earth metal is:

    A) \[Be\]

    B) \[Mg\]

    C) \[Ca\]

    D) \[Sr\]

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  • question_answer55) Precipitation takes place when the ionic product:

    A) equals the solubility product

    B) exceeds the solubility product

    C) is less than the solubility product

    D) is almost zero

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  • question_answer56) The order of reactivity of the following alcohols towards cone. \[HCl\] is:

    A) \[I>II>III>IV\]

    B) \[I>III>II>IV\]

    C) \[IV>III>II>I\]

    D) \[IV>I>II>III\]

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  • question_answer57) Which of the following has the smallest heat of hydrogenation per mole?

    A) 1-butene

    B) trans-2-butene

    C) cis-2-butene

    D) 1,3-butadiene

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  • question_answer58) An organic molecule necessarily shows optical activity if it:

    A) contains asymmetric carbon atoms

    B) is non-planar

    C) is non-superimposible on its mirror image

    D) is superimposable on its, mirror image

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  • question_answer59) An L.P.G; cylinder, containing \[15kg\] butane at \[{{27}^{o}}C\] and 10 atmospheric pressure, is leaking. After one day its pressure decreased to 8 atmosphere. The quantity of gas leaked is:

    A) \[1kg\]

    B) \[2kg\]

    C) \[3kg\]

    D) \[4kg\]

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  • question_answer60) Which of the following oxides, is neutral?

    A) \[CO\]C

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

    C) \[ZnO\]

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

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  • question_answer61) In the aluminothermic process, \[Al\] acts as a/an:

    A) flux

    B) oxidising agent

    C) reducing agent

    D) solder

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  • question_answer62) The specific reaction rate of a first order reaction depends on:

    A) concentration of the reactant

    B) concentration of the product

    C) time

    D) temperature

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  • question_answer63) Osmotic pressure of a solution is 0.0821 atm at a temperature of 300K. The concentration in .mole per litre will be:

    A) \[0.33\]

    B) \[0.066\]

    C) \[0.3\times {{10}^{-2}}\]

    D) \[3\]

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  • question_answer64) Which of the following halides is least stable and has doubtful existence?

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

    B) \[Ge{{I}_{4}}\]

    C) \[Sn{{I}_{4}}\]

    D) \[Pb{{I}_{4}}\]

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  • question_answer65) Which one of the following compounds does not dissolve in cone. \[{{H}_{2}}S{{O}_{4}}\] even on warming?

    A) Ethylene

    B) Benzene

    C) Hexane

    D) Aniline

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  • question_answer66) The oxidation states of the most electronegative element in the products of the reaction between \[Ba{{O}_{2}}\] and \[{{H}_{2}}S{{O}_{4}}\] are:

    A) \[0\] and \[-1\]

    B) \[-1\] and \[-2\]

    C) \[-2\] and \[-3\]

    D) \[-2\] and \[0\]

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  • question_answer67) The hybridisation of nitrogen in \[NO_{2}^{+}\],\[NO_{3}^{-}\] and \[NH_{4}^{+}\] are respectively:

    A) \[sp,\,s{{p}^{3}}\] and \[\,s{{p}^{2}}\]

    B) \[\,sp,s{{p}^{2}}\]and \[s{{p}^{3}}\]

    C) \[\,s{{p}^{2}},sp\]and \[s{{p}^{3}}\]

    D) \[\,s{{p}^{2}},s{{p}^{3}}\] and \[\,sp\]

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  • question_answer68) A standard hydrogen electrode has zero electrode potential because.

    A) hydrogen is easier to oxidise

    B) hydrogen atom has only one electron

    C) its electrode potential is assumed to be zero

    D) hydrogen is the lightest element

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  • question_answer69) The standard EMF of Daniell cell is 1.10 volt. The maximum electrical work obtained from the cell is:

    A) \[212.3\text{ }kJ\]

    B) \[175.4\text{ }kJ\]

    C) \[106.15\text{ }kJ\]

    D) \[350.8\text{ }kJ\]

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  • question_answer70) Carbon and hydrogen are estimated by :

    A) Leibig method

    B) Dumas method

    C) Carius method

    D) KjeldahFs method

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  • question_answer71) \[R-CH=C{{H}_{2}}\xrightarrow[{{C}_{2}}{{H}_{5}}OH]{Na/N{{H}_{3}}(l)}RC{{H}_{2}}C{{H}_{3}}\] This reaction is called:

    A) Arndt-Eistert reaction

    B) Birch reduction

    C) Clemmensen reduction

    D) Fischer-Spider reaction

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  • question_answer72) An anaesthetic narcylene is the commercial name of:

    A) \[{{C}_{2}}{{H}_{4}}\]

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

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

    D) \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\]

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  • question_answer73) Which of the following is the strongest acid?

    A) \[Cl{{O}_{3}}(OH)\]

    B) \[Cl{{O}_{2}}(OH)\]

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

    D) \[S{{O}_{2}}{{(OH)}_{2}}\]

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  • question_answer74) The geometry of \[{{H}_{2}}S\] and its dipole moment are:

    A) angular and non-zero

    B) angular and zero

    C) linear and non-zero

    D) linear and zero

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  • question_answer75) Gold number represents:

    A) percentage of gold in red gold sol

    B) percentage of gold in blue gold sol

    C) protective power of a lyophilic colloid

    D) quantity of gold in its alloys

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  • question_answer76) The boiling point of n-heptane is \[{{36}^{o}}C\]. What will be its molar heat of vaporisation?

    A) \[27,192\text{ }kJ\text{ }mo{{l}^{-1}}\]

    B) \[98.304\text{ }kJ\text{ }mo{{l}^{-1}}\]

    C) \[38.72\text{ }kJ\text{ }mo{{l}^{-1}}\]

    D) Data are insufficient to calculate it

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  • question_answer77) One mole of an ideal gas is initially at \[{{0}^{o}}C\] and \[1atm\]pressure. If it absorbs 1000 cal heat during a reversible isothermal expansion, what will be its final volume?

    A) \[102.5litre\]

    B) \[242.5litre\]

    C) \[22.4\text{ }litre\]

    D) \[121.25\text{ }litre\]

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  • question_answer78) The product P in the reaction is:





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  • question_answer79) Reaction of ethyl formate with excess of \[C{{H}_{3}}MgI\] followed by hydrolysis give:

    A) n-propyl alcohol

    B) ethanal

    C) propanal

    D) isopropyl alcohol

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  • question_answer80) \[{{D}_{3}}\] line observed in the yellow region of the suns spectrum is due to:

    A) sodium

    B) neon

    C) krypton

    D) helium

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  • question_answer81) In nitration of benzene, cone. \[HN{{O}_{3}}\] acts as:

    A) base

    B) acid

    C) reducing agent

    D) catalyst

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  • question_answer82) The \[_{p}{{K}_{a}}\] of HCN is 9.30. The pH of a solution prepared by mixing \[2.5moles\]of KCN and \[2.5moles\] of HCN in water and making total volume up to 500 ml, is:

    A) \[9.30\]

    B) \[7.30\]

    C) \[10.30\]

    D) \[8.30\]

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  • question_answer83) Which of the following compounds, is expected to be coloured?

    A) \[A{{g}_{2}}S{{O}_{4}}\]

    B) \[Cu{{F}_{2}}\]

    C) \[Mg{{F}_{2}}\]

    D) \[CuCl\]

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  • question_answer84) Amongst the following ions>> which one has the highest paramagnetism?

    A) \[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{3+}}\]

    B) \[{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\]

    C) \[{{[Cu{{({{H}_{2}}O)}_{6}}]}^{2+}}\]

    D) \[Zn{{({{H}_{2}}O)}_{6}}{{]}^{2+}}\]

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  • question_answer85) The product obtained in the following reaction is:





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  • question_answer86) The only noble gas recovered from natural gas is:

    A) \[Kr\]

    B) \[Rn\]

    C) \[Ar\]

    D) \[He\]

    View Answer play_arrow
  • question_answer87) The half-life period of decomposition of a compound is 50 min. If the initial concentration is made 4 times/the half-life period reduces to half i.e.\[25\min \]. What is the order of reaction?

    A) \[0\]

    B) \[1/2\]

    C) \[3/2\]

    D) \[2\]

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  • question_answer88) During adsorption, the signs of \[\Delta H\], \[\Delta S\] and \[\Delta G\] are respectively:

    A) \[-,-,+\]

    B) \[+,+,-\]

    C) \[-,+,-\]

    D) \[-,-,-\]

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  • question_answer89) Hydroazobenzene on treatment with \[{{H}_{2}}S{{O}_{4}}\] forms:

    A) azobenzene

    B) azobenzene sulphonic acid .

    C) benzidine

    D) none of these

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  • question_answer90) What is correct about the cations of group V?

    A) These cations should be tested in the sequence \[B{{a}^{2+}},\,S{{r}^{2+}},C{{a}^{2+}}\]

    B) These cations should be tested in the sequence \[C{{a}^{2+}},S{{r}^{2+}}\,B{{a}^{2+}}\]

    C) These cations should be tested in the sequence \[C{{a}^{2+}},\,B{{a}^{2+}}S{{r}^{2+}}\]

    D) These cations can be tested in any sequence

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  • question_answer91) Double fertilization was discovered by:

    A) Nawaschin

    B) Starsburger

    C) Emerson

    D) none of these

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  • question_answer92) In photosythesis action and absorption spectrum were related by:

    A) Von Helmont

    B) Engelmann

    C) Emerson

    D) Lavosier

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  • question_answer93) Which one of the following doesnt help in molecule transport?

    A) Diffusion

    B) Osmosis

    C) Surface tension

    D) Active transport

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  • question_answer94) Stomatal opening in plants occurs due to influx of:

    A) Na

    B) K

    C) ABA

    D) Auxins

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  • question_answer95) Energy transfer in photosynthesis occurs as :

    A) Phycoerythrin\[\to \] Phycocyanin\[\to \]Carotenoid \[\to \] Chlorophyll a

    B) Chlorophyll b\[\to \]Carotenoid\[\to \]Phycoerythrin \[\to \] Chlorophyll a

    C) Phycocyanin\[\to \] Phycoerythrin\[\to \] Carotenoid \[\to \] Chlorophyll a

    D) Chlorophyll b\[\to \] Carotenoid \[\to \] Phycocyanin \[\to \] Chlorophyll a

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  • question_answer96) Litmus is obtained from :

    A) Rocella montagnei

    B) Lasallia postuiata

    C) both (a) and (b)

    D) Cladonia crispate

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  • question_answer97) If a plant having yellow or round seeds was crossed with another plant having green and wrinkled seeds then \[{{F}_{1}}\]progeny are in the ratio :

    A) 15 : 1

    B) 1 : 15

    C) 1 :13

    D) all yellow and round seeds

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  • question_answer98) Commercial cork is obtained from :

    A) Flax

    B) Juglans regia

    C) Hevea brassiliansis

    D) Quercus suber

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  • question_answer99) Tea and coffee are affected by :

    A) Phytophthora

    B) Cephaleuros

    C) Herviella

    D) Albugo candida

    View Answer play_arrow
  • question_answer100) If decomposers are removed what will happen to the ecosystem?

    A) Energy cycle is stopped

    B) Mineral cycle is stopped

    C) Consumers cannot absorb solar energy

    D) Rate of decompostion of mineral increases

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  • question_answer101) In photosynthesis what occurs In PS-II?

    A) It takes longer wavelength of light and \[{{e}^{-}}\] from \[{{H}_{2}}O\]

    B) It takes shorter wavelength of light and \[{{e}^{-}}\]- from \[{{H}_{2}}O\]

    C) It takes longer wavelength of light and \[{{e}^{-}}\] from NADP

    D) It takes shorter wavelength of light and \[{{e}^{-}}\]- from NADP

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  • question_answer102) Which are sensitive to \[S{{O}_{2}}\]pollution?

    A) Mosses

    B) Algae

    C) Lichen

    D) Ferns

    View Answer play_arrow
  • question_answer103) Though Cyas has 2 cotyledons, this is not included in dicot because :

    A) naked ovule

    B) they have megaspore

    C) appears as palm tree

    D) has compound leaves

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  • question_answer104) In meiosis division is :

    A) 1st reductional and lInd equational

    B) 1st equational and lind reductional

    C) both reductional

    D) both equational

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  • question_answer105) Auxin in plant means for :

    A) cell elongation

    B) fruit ripening

    C) cell division

    D) inhibit the root growth

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  • question_answer106) The thylakoid in chloroplast are arranged as :

    A) Interconnected disc

    B) interconnected sacs

    C) stacked discs

    D) none

    View Answer play_arrow
  • question_answer107) The given formula belong to\[Br~\oplus O~Ep{{i}_{3}}\,{{K}_{(5)}}\,{{C}_{5}}\,{{A}_{(\infty )}}{{G}_{(5)}}\]

    A) Solanaceae

    B) Malvaceae

    C) Graminae

    D) Compositae

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  • question_answer108) Which of the following is used as green manure?

    A) Azolla

    B) Azadirachta indica

    C) Crotolaria juncea

    D) Heuea brassiliansis

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  • question_answer109) The non-photosynthetic, non-symbiotic \[{{N}_{2}}\] fixing bacteria are :

    A) Rhodobacter

    B) Spirillum

    C) Azotobacter

    D) all the above

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  • question_answer110) In monocot roots which types of vascular bundles are found?

    A) Collateral, conjoint and closed

    B) Radial with exarch xylem

    C) Bicollateral, conjoint and closed

    D) Radial with endarch xylem

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  • question_answer111) The modified stem of Opuntia is:

    A) phyllode

    B) phylloclade

    C) cladode

    D) stamrolnode

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  • question_answer112) Among plants pheromones are secreted by the cells of the following plants for given function :

    A) all plants for growth and development

    B) Yeast for facilitating mating

    C) all fungi for sexual reproduction

    D) Rhizopus for formation of zygospore

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  • question_answer113) The gases that produce greenhouse effect are :

    A) \[C{{H}_{4}},\text{ }CFCs,\text{ }C{{C}_{2}}\]

    B) \[C{{O}_{2}},\text{ }{{N}_{2}}O,\text{ }{{H}_{2}}\]

    C) \[CFCs,\text{ }N{{O}_{2}},\text{ }{{O}_{2}}\]

    D) \[C{{C}_{2}},\text{ }{{N}_{2}},\]water vapour

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  • question_answer114) Whats the difference between RNA and DNA?

    A) Base

    B) Sugar

    C) Sugar and base

    D) Phosphate

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  • question_answer115) Increase in toxic concentration from one trophic level to another trophic level is called :

    A) ecological toxiflcation

    B) bio-magnification

    C) bio concentration

    D) cytological effect

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  • question_answer116) Potometer is used to measure :

    A) ascent of sap

    B) root pressure

    C) transpiration

    D) photosynthesis

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  • question_answer117) Which one is antioxidant vitamin?

    A) Vitamin D

    B) Vitamin E

    C) Vitamin B

    D) Vitamin K

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  • question_answer118) The net gain ATP from complete oxidation of 1 molecule of glucose in eukaryote is :

    A) 2

    B) 4

    C) 24

    D) 36

    View Answer play_arrow
  • question_answer119) Which of the following workers are related as ecologist, palaeobotanist and embryologist respectively?

    A) B. Sahni, R. Mishra, P. Maheshwari

    B) R. Mishra, B. Sahni, P. Maheshwari

    C) B. Sahni, P. Maheshwari, R. Mishra

    D) P. Maheshwari, R. Mishra, B. Sahni

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  • question_answer120) In bacteria respiration occurs in :

    A) cytoplasmic membrane

    B) mitochondria

    C) nuclear membrane

    D) endoplasmic reticulum

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  • question_answer121) R.Q. is always less than one in :

    A) wheat

    B) millets

    C) bean

    D) castor

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  • question_answer122) Pencils are prepared from the wood of :

    A) Pinus uinoster

    B) Juniperus uirginiana

    C) Chamaecyparis piscifera

    D) Abies pindrouJ

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  • question_answer123) Ageing is retarted by :

    A) ABA

    B) CKN

    C) GA

    D) \[{{C}_{2}}{{H}_{4}}\]

    View Answer play_arrow
  • question_answer124) The form of pigment which Inhibits germination is:

    A) \[{{P}_{760}}\]

    B) \[{{P}_{730}}\]

    C) \[{{P}_{650}}\]

    D) all of these

    View Answer play_arrow
  • question_answer125) In Hatch and Slack pathway :

    A) chloroplast are of same type

    B) occurs in Kranz anatomy where mesophyll have small chloroplast whereas bundle sheath have granal chloroplast

    C) occurs in Kranz anatomy when mesophyll have small chloroplast where as bundle sheath have larger, agranal chloroplast

    D) Kranz anatomy where mesophyll cell are diffused

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  • question_answer126) The Triticale is an intergeneric hybrid between :

    A) wheat & maize

    B) maize and rye

    C) Wheat and rye

    D) bajra and wheat

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  • question_answer127) The dormancy of seed is regulated by :

    A) ABA

    B) Ethylene

    C) GA-3

    D) Dihydrozeatin

    View Answer play_arrow
  • question_answer128) Colchicine prevents the mitosis of the cells at which of the following stage?

    A) Anaphase

    B) Metaphase

    C) Prophase

    D) Interphase

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  • question_answer129) For the formation of tetrasporic embryosac, how many megaspore mother cells are required?

    A) 1

    B) 2

    C) 3

    D) 4

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  • question_answer130) DNA replication generally proceeds in a :

    A) 5 \[\to \] 3 direction

    B) 3 \[\to \] 5 direction

    C) 3 \[\to \] 3 direction

    D) 5 \[\to \] 5 direction

    View Answer play_arrow
  • question_answer131) Pairing of homologous chromosome occurs at which stage?

    A) Zygotene

    B) Leptotene

    C) Metaphase

    D) Pachytene

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  • question_answer132) Inter fascicular cambium Is found :

    A) between pith and vascular bundle

    B) between two vascular bundles

    C) In the vascular bundle

    D) outside the bundle

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  • question_answer133) The number of essential nutrients needed in plants is :

    A) 16

    B) 5

    C) 4

    D) 8

    View Answer play_arrow
  • question_answer134) To form one molecule of glyceraldehydes phosphate In Calvin cycle :

    A) 9ATP and 36 NADPH are required

    B) 6 ATP and 6 NADPH are required

    C) 3 ATP and 3 NADPH are required

    D) 9 ATP and 6 NADPH are required

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  • question_answer135) Water available to plants is :

    A) run off water

    B) gravitational water

    C) hygroscopic water

    D) capillary water

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  • question_answer136) Secretion of gastric juice is stimulated by :

    A) pepsin

    B) gastrin

    C) renin

    D) secretin

    View Answer play_arrow
  • question_answer137) Which one is not correct?

    A) Humans - Ureotelic

    B) Birds - Uricotelic

    C) Lizards - Uricotelic

    D) Whale - Ammonotelic

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  • question_answer138) Which one shows blo-luminescence?

    A) Noctiluca

    B) Polystomella

    C) Entamoeba

    D) Suctoria

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  • question_answer139) Mantle, foot and shell are the characteristics of :

    A) Nautilus

    B) Echinus

    C) Limulus

    D) Euplectella

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  • question_answer140) Protists are : (i) unicellular and prokaryote (ii) unicellular and eukaryote (iii) multicellular and eukaryote (iv) autotroph or heterotroph

    A) (ii) and (iii)

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

    C) (iii), (iv)

    D) (ii), (iv)

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  • question_answer141) Pepsin is inactivated at pH :

    A) below 3

    B) below 2

    C) above 5

    D) above 3

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  • question_answer142) Which one is not produced by aquaculture?

    A) oyster

    B) sllkwom

    C) singhara

    D) frog

    View Answer play_arrow
  • question_answer143) Progesterone is secreted by :

    A) Corpus luteum

    B) Utreus

    C) Placenta

    D) Graailan follicle

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  • question_answer144) Which one affects liver, muscle and adipose tissue?

    A) Androgen

    B) Insulin

    C) Progesterone

    D) Glucagon

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  • question_answer145) Inner lining of blood vessels is formed by:

    A) ciliated epithelium

    B) squamous epithelium

    C) cubical epithelium

    D) columnar epithelium

    View Answer play_arrow
  • question_answer146) Nucleated RBC is present in :

    A) man

    B) rat

    C) frog

    D) rabbit

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  • question_answer147) Pellagra is caused by deficiency of vitamin :

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

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

    C) \[{{B}_{5}}\]

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

    View Answer play_arrow
  • question_answer148) The main excretory organ of prawn is :

    A) green gland

    B) flame cell

    C) malpighian tubule

    D) nephridia

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  • question_answer149) Moulting hormone is secreted by :

    A) corpora cardlacum

    B) prothoracic gland

    C) corpora allata

    D) neurosecretory hormone

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  • question_answer150) Deoxyribonuclease and ribonuclease are secreted by :

    A) liver

    B) stomach

    C) pancreas

    D) kidney

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  • question_answer151) Haemodialysis helps in patient having :

    A) uremia

    B) anaemia

    C) diabetes

    D) goiter

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  • question_answer152) X-rays are used in :

    A) ECG

    B) EEC

    C) CT-scan

    D) Endoscopy

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  • question_answer153) Disease caused by deficiency of protein in children Is :

    A) Obesity

    B) Marasmus

    C) Diabetes

    D) Kwashiorkor

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  • question_answer154) The thin filaments of a muscle fibre are made up of :

    A) actin, troponin, tropomyosin

    B) actin, troponin

    C) myosin, troponin

    D) actin, tropomyosin

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  • question_answer155) The species, which is goinig to become extinct due to lack of proper care would be called :

    A) rare

    B) endangered

    C) vulnerable

    D) extinct

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  • question_answer156) In which part of mitochondria does ATP synthesis occur?

    A) F1

    B) Fo

    C) Cristae

    D) Inner membrane of mitochondria

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  • question_answer157) Abnormal growth of the tumor in cancer is due to :

    A) abnormal mitotic division

    B) accumulation of body fluid

    C) abnormal meiotic division

    D) metastasis

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  • question_answer158) Fat, prior to its oxidation associate with :

    A) cyclic AMP

    B) Co A

    C) GMP

    D) ATP

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  • question_answer159) Schwann cell is found around :

    A) axon

    B) cyton

    C) dendrite

    D) dendron

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  • question_answer160) Which part of retina consists of only cones?

    A) Fovea centralis

    B) Optic nerve

    C) Blind spot

    D) Orasmata

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  • question_answer161) Heparin is secreted by :

    A) mast cell

    B) alveolar cell

    C) plasma cell

    D) goblet cell

    View Answer play_arrow
  • question_answer162) Antibody is produced by :

    A) B- Lymphocyte

    B) Heparin

    C) T-Lymphocyte

    D) both (a) and (b)

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  • question_answer163) Reflex action involves :

    A) spinal cord

    B) cerebellum

    C) medulla oblongata

    D) optic lobe

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  • question_answer164) Which one has no intermediate host?

    A) Taenia

    B) Ascaris

    C) Fasciola

    D) PIasmodium

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  • question_answer165) In the wall of alimentary canal, what is the actual sequence from outer to inner :

    A) serosa, longitudinal muscle, mucosa, submucosa

    B) mucosa, serosa, long muscle

    C) serosa, long muscle, circular, submucosa, mucosa

    D) serosa, long muscle, submucosa, mucosa

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  • question_answer166) Which one of the following can help in the diagnosis of a genetical disorder?

    A) ELISA

    B) ABO blood group

    C) PCR

    D) NMR

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  • question_answer167) Bile helps in the digestion of fat through :

    A) Emulsification

    B) alkalinity

    C) forming micelles

    D) all of above

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  • question_answer168) In frog chromosome number Is reduced to half :

    A) when 2nd polar body is separated

    B) when 2nd polar body is divided

    C) when 3rd polar body is separated

    D) when 1st polar body is separated

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  • question_answer169) Ischihara chart is used to detect :

    A) T.B.

    B) eye sight

    C) colour blindness

    D) diabetes

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  • question_answer170) In diastole, heart is filled by :

    A) mixed blood

    B) venous blood

    C) oxygenated blood

    D) deoxygenated blood

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  • question_answer171) Periyar sanctuary is located In :

    A) Madhya Pradesh

    B) Kerala

    C) Uttar Pradesh

    D) Assam

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  • question_answer172) Which of the following is not an insect?

    A) Locust

    B) Lepisma

    C) Termites

    D) Spider

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  • question_answer173) Which of the following represents the dental formula of man?

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

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

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

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

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  • question_answer174) The children of a hemophilic man and a normal woman are :

    A) all hemophilic

    B) only daughters are haemophilic

    C) only sons are haemophilic

    D) neither sons nor daughters are hemophilic

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  • question_answer175) Which cells are found only In sponges?

    A) Amoeboid cells

    B) Choanocytes

    C) Pigment cells

    D) Gland cells

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  • question_answer176) In which of the following there is syncytial epidermis and longitudinal muscle cells are in four bands?

    A) Nematodes

    B) Platyhelminthes

    C) Annelids

    D) Echinoderms

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  • question_answer177) A person having 45 chromosomes and Y chromosome absent, is suffering from :

    A) Downs syndrome

    B) Klinefellers syndrome

    C) Turners syndrome

    D) Gynandromorph

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  • question_answer178) Albinism Is caused by deficiency of :

    A) amylase

    B) tyrosinase

    C) phenyl alanine

    D) xanthene oxidase

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  • question_answer179) Which brain structure in rabbit is directly related to vision?

    A) Corpus albicans

    B) Hippocampal lobe

    C) Corpus callosum

    D) Corpora quadrigemina

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  • question_answer180) Which one is not found in testis of frog ?

    A) Sertoli cell

    B) Seminiferous tubule

    C) Germinal cell

    D) Interstitial cell

    View Answer play_arrow



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