Solved papers for Punjab Medical Punjab - MET Solved Paper-2004

done Punjab - MET Solved Paper-2004

  • question_answer1) Two open organ pipes of length \[25cm\] and \[25.5cm\] produce\[\text{0}\text{.1}\,\,\text{beat/sec}\]. The velocity of sound will be:

    A) \[255m/s\]

    B) \[250m/s\]

    C) \[350m/s\]

    D) none of these

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  • question_answer2) The velocity of photon is proportional to (where \[v\] is frequency):

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

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

    C) \[\sqrt{v}\]

    D) \[v\]

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  • question_answer3) Which one of the following is different from others?

    A) Amplitude

    B) Frequency

    C) Velocity

    D) Wavelength

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  • question_answer4) Intensity of an electric field \[E\] due to a dipole, depends on distance \[r\] as:

    A) \[E\propto \frac{1}{{{r}^{4}}}\]

    B) \[E\propto \frac{1}{{{r}^{3}}}\]

    C) \[E\propto \frac{1}{{{r}^{2}}}\]

    D) \[E\propto \frac{1}{r}\]

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  • question_answer5) A simple pendulum is vibrating in an evacuated chamber, it will oscillate with:

    A) increasing amplitude

    B) constant amplitude

    C) decreasing amplitude

    D) first [c] then [a]

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  • question_answer6) The effective acceleration of a body, when thrown upwards with acceleration \[a\] will be:

    A) \[\sqrt{a-{{g}^{2}}}\]

    B) \[\sqrt{{{a}^{2}}+{{g}^{2}}}\]

    C) \[(a-g)\]

    D) \[(a+g)\]

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  • question_answer7) A diver in a swimming pool bends his head before diving, because it:

    A) decreases his moment of inertia

    B) decreases his angular velocity

    C) increases his moment of inertia

    D) increases his linear velocity

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  • question_answer8) If\[\vec{A}\times \vec{B}|=|\vec{A}\bullet \vec{B}|\]then the angle between \[\vec{A}\] and \[\vec{B}\] will be:

    A) \[{{90}^{o}}\]

    B) \[{{60}^{o}}\]

    C) \[{{45}^{o}}\]

    D) \[{{30}^{o}}\]

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  • question_answer9) The units of Plancks constant are:

    A) \[J\,\,{{s}^{-2}}\]

    B) \[J\,\,{{s}^{2}}\]

    C) \[J\,\,s\]

    D) \[J/s\]

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  • question_answer10) If a force on a rocket moving with a velocity of \[300\,\,m/s\] is\[210\,\,N\]. Then the rate of combustion of the fuel, will be:

    A) \[\text{1}\text{.7}\,\,\text{kg/sec}\]

    B) \[\text{0}\text{.7}\,\,\text{kg/sec}\]

    C) \[\text{2}\text{.7}\,\,\text{kg/sec}\]

    D) \[\text{1}\text{.5}\,\,\text{kg/sec}\]

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  • question_answer11) At what depth below the surface of the earth, acceleration due to gravity \[g\] will be half its value \[1600\,\,km\] above the surface of the earth?

    A) \[4.2\times {{10}^{6}}\,\,m\]

    B) \[3.19\times {{10}^{6}}\,\,m\]

    C) \[1.59\times {{10}^{6}}\,\,m\]

    D) none of these

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  • question_answer12) A man of weight \[75\,\,kg\] is standing in an elevator which is moving with an acceleration of \[5m/{{s}^{2}}\] in upward direction the apparent weight of the man will be:\[(g=10m/{{s}^{2}})\]

    A) \[1425\,\,N\]

    B) \[1375\,\,N\]

    C) \[1250\,\,N\]

    D) \[1125\,\,N\]

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  • question_answer13) A cylinder of \[10\,\,kg\] is rolling in a plane with an initial velocity of\[10\,\,m/s\]. If the coefficient of friction between the surface and cylinder is \[0.5\,\,kg\] then before slipping, it will cover:\[(g=10m/{{s}^{2}})\]

    A) \[2.5\,\,m\]

    B) \[5\,\,m\]

    C) \[7.5\,\,m\]

    D) \[10\,\,m\]

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  • question_answer14) The new resistance of wire of \[R\Omega \], whose radius is reduced half, is:

    A) \[16R\]

    B) \[3R\]

    C) \[2R\]

    D) \[R\]

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  • question_answer15) When a dielectric material is introduced between the plates of a charged condenser, then electric field between the plates:

    A) remain constant

    B) decreases

    C) increases

    D) first increases then decreases

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  • question_answer16) The pitch of a note depends upon its:

    A) wavelength

    B) amplitude

    C) frequency

    D) speed

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  • question_answer17) A perfectly black body is one where:

    A) absorptive power in infinity

    B) absorption point is 0

    C) emissive power is 1

    D) absorptive power is 1

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  • question_answer18) A potential energy of satellite, having mass m and rotating at height of \[6.4\times {{10}^{6}}m\] from the earth surface will be:

    A) \[-0.5\,\,mg{{R}_{e}}\]

    B) \[-1.5\,\,mg{{R}_{e}}\]

    C) \[0.67\,\,mg{{R}_{e}}\]

    D) none of these

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  • question_answer19) If a freely falling body travels in the last second a distance equal to the distance travelled by it in the first three second, the time of the travel is:

    A) \[6\sec \]

    B) \[5\sec \]

    C) \[4\sec \]

    D) \[3\sec \]

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  • question_answer20) The escape velocity from the surface of the earth\[{{\upsilon }_{es}}\]. The escape velocity from the surface of a planet whose mass and radius are three times those of earth; will be:

    A) \[1/3{{\upsilon }_{es}}\]

    B) \[9{{\upsilon }_{e}}\]

    C) \[3{{\upsilon }_{e}}\]

    D) \[{{\upsilon }_{e}}\]

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  • question_answer21) A packet is dropped from a balloon which is going upwards with the velocity \[12\,\,m/s\], the velocity of the packet after 2 seconds will be:

    A) \[-12m/s\]

    B) \[12m/s\]

    C) \[-7.6m/s\]

    D) \[7.6m/s\]

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  • question_answer22) On a planet a freely falling body takes\[2\,\,\sec \] when it is dropped from a height of \[8\,\,m\], the time period of simple pendulum of length \[1\,\,m\] on that planet is:

    A) \[3.14\sec \]

    B) \[16.28\sec \]

    C) \[1.57\sec \]

    D) none of these

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  • question_answer23) The experiments of Frank and Hertz showed that:

    A) an atom has energy states having a continuous distribution

    B) nothing can be send a bond energy states of atom

    C) at atom has energy states, having discreet values

    D) atom is an indivisible particle

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  • question_answer24) If a copper ring is moved quickly towards south pole of a powerful stationary bar magnet, then:

    A) current flows through the copper ring

    B) voltage in the magnet increases

    C) current flows in the magnet

    D) copper ring will get magnetized

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  • question_answer25) Velocity time curve for a body, projected vertically upwards, will be:

    A) straight line

    B) hyperbola

    C) parabola

    D) ellipse

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  • question_answer26) The ratio of charge to the potential of body:

    A) resistance

    B) inductance

    C) conductance

    D) capacitance

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  • question_answer27) Taking Rydbergs constant \[{{R}_{H}}=1.097\times {{10}^{7}}m\] first and second wavelength of Balmer series in hydrogen spectrum, is:

    A) \[2000\overset{\text{o}}{\mathop{\text{A}}}\,,\,\,3000\overset{\text{o}}{\mathop{\text{A}}}\,\]

    B) \[1575\overset{\text{o}}{\mathop{\text{A}}}\,,\,\,2960\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C) \[6529\overset{\text{o}}{\mathop{\text{A}}}\,,\,\,4280\overset{\text{o}}{\mathop{\text{A}}}\,\]

    D) \[6552\overset{\text{o}}{\mathop{\text{A}}}\,,\,\,4863\overset{\text{o}}{\mathop{\text{A}}}\,\]

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  • question_answer28) If the current through \[3\Omega \] resistor is\[0.8\,\,A\], then potential drop through \[4\Omega \] resistor is:

    A) \[1.5\,\,V\]

    B) \[2.6\,\,V\]

    C) \[4.8\,\,V\]

    D) \[9.8\,\,V\]

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  • question_answer29) A step-up transformer has transformation ratio\[3:2\]. The voltage in the secondary coil, if the voltage in the primary is\[30\,\,volt\], will be:

    A) \[300\,\,V\]

    B) \[90\,\,V\]

    C) \[45\,\,V\]

    D) \[23\,\,V\]

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  • question_answer30) If three resistors of resistance \[2\Omega ,\,\,4\Omega \]and \[5\Omega \] are connected in parallel then the total resistance of the combination will be:

    A) \[\frac{20}{19}\Omega \]

    B) \[\frac{19}{20}\Omega \]

    C) \[\frac{19}{10}\Omega \]

    D) \[\frac{10}{19}\Omega \]

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  • question_answer31) When a lamp is connected in series with capacitor, then:

    A) lamp will not glow

    B) lamp will burst out

    C) lamp will glow normally

    D) none of these

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  • question_answer32) The current is flowing in south direction along a power line. The direction of magnetic field above the power line (neglecting earths field) is:

    A) south

    B) east

    C) north

    D) west

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  • question_answer33) In a junction diode the holes due to:

    A) missing electron

    B) extra neutron

    C) protons

    D) all of these

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  • question_answer34) What is the respective number of \[\alpha \] and \[\beta -\]particles emitted in the following radioactive decay? \[_{90}{{X}^{200}}{{\xrightarrow{{}}}_{80}}{{X}^{168}}\]

    A) \[8\alpha ,\,\,8\beta \]

    B) \[8\alpha ,\,\,6\beta \]

    C) \[6\alpha ,\,\,6\beta \]

    D) \[6\alpha ,\,\,8\beta \]

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  • question_answer35) Hygens wave theory of light could not explain:

    A) photoelectric effect

    B) polarization

    C) interference

    D) diffraction

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

    A) \[{{25}^{o}}\]

    B) \[{{60}^{o}}\]

    C) \[{{45}^{o}}\]

    D) \[{{30}^{o}}\]

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  • question_answer37) In Bohrs model the atomic radius of the first orbit is\[{{r}_{0}}\], the radius of the third orbit will be:

    A) \[9{{r}_{0}}\]

    B) \[3{{r}_{0}}\]

    C) \[{{r}_{0}}\]

    D) \[\frac{{{r}_{0}}}{3}\]

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  • question_answer38) A process in which temperature \[T\] of the system remains constant though other variable \[P\] and \[V\] may change, is called:

    A) isochoric process

    B) isothermal process

    C) isobaric process

    D) none of these

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  • question_answer39) In achromatic combination of lenses is formed by joining:

    A) 1 convex lens and 1 plane mirror

    B) 1 convex, 1 concave lens

    C) 2 convex lenses

    D) 2 concave lenses

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  • question_answer40) Which of the unipolar transistor:

    A) point contact transistor

    B) field effect transistor

    C) \[p-n-p\] transistor

    D) none of these

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  • question_answer41) In a meter bridge, the balancing length from the left end (standard resistance of \[1\,\,ohm\] in the gap) is found to be\[20\,\,cm\]. The value of the unknown resistance will be:

    A) \[0.25\Omega \]

    B) \[0.4\Omega \]

    C) \[0.5\Omega \]

    D) \[0.8\Omega \]

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  • question_answer42) The magnetic flux linked with coil, in web is given by the equation\[\phi =5{{t}^{2}}+3t+16\]. The induced emf in the coil in the fourth second is:

    A) \[10\,\,V\]

    B) \[30\,\,V\]

    C) \[45\,\,V\]

    D) \[90\,\,V\]

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  • question_answer43) Serious draw back of the semiconductor device is:

    A) they cannot be used with high voltage

    B) they pollute the environment

    C) they are costly

    D) they do not last for long time

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  • question_answer44) The potential difference between the cathode and the target in a Coolidge tube is\[100\,\,kV\]. The minimum wavelength of the \[X-\]rays emitted by the tube is:

    A) \[0.66\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

    B) \[9.38\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C) \[0.246\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

    D) \[0.123\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

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  • question_answer45) For an isotropic medium \[B,\,\,\mu ,\,\,H\] and \[M\] are related as (where \[B,\,\,{{\mu }_{0}},\,\,H\] and \[M\] have their usual meaning in the context of magnetic material:

    A) \[(B-M)={{\mu }_{0}}H\]

    B) \[M={{\mu }_{0}}(H+M)\]

    C) \[H={{\mu }_{0}}(H+M)\]

    D) \[B={{\mu }_{0}}(H+M)\]

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  • question_answer46) A cricket ball is hit at \[{{45}^{o}}\] to the horizontal with kinetic energy\[K\], the kinetic energy at the highest point is:

    A) \[K\]

    B) \[K/\sqrt{2}\]

    C) \[K/2\]

    D) \[0\]

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  • question_answer47) The root mean square \[(rms)\] speed of oxygen molecules \[{{O}_{2}}\] at a certain temperature \[T\] (degree absolute) is\[\upsilon \]. If the temperature is doubled and oxygen gas dissociates into atomic oxygen. The \[rms\] speed:

    A) becomes\[\upsilon /\sqrt{2}\]

    B) remains\[\upsilon \]

    C) becomes\[\sqrt{2}\upsilon \]

    D) becomes\[2\upsilon \]

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  • question_answer48) Minimum excitation potential of Bohrs first orbit in hydrogen atom is:

    A) \[3.6\,\,V\]

    B) \[10.2\,\,V\]

    C) \[3.2\,\,V\]

    D) \[13.6\,\,V\]

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  • question_answer49) A \[X-\]ray has a wavelength\[0.01\,\,\overset{\text{o}}{\mathop{A}}\,\]. Its momentum is:

    A) \[6.626\times {{10}^{-22}}kg\,\,m/s\]

    B) \[3.45\times {{10}^{-25}}kg\,\,m/s\]

    C) \[3.313\times {{10}^{-22}}kg\,\,m/s\]

    D) \[2.126\times {{10}^{-23}}kg\,\,m/s\]

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  • question_answer50) Rn decay into \[{{P}_{o}}\] by emitting \[\text{ }\!\!\alpha\!\!\text{ -}\]particles with half-life of 4 days a sample contains \[6.4\times {{10}^{10}}\] atom of Rn. After 12 days, the number of atoms of Rn left in the sample will be:

    A) \[0.8\times {{10}^{10}}\]

    B) \[2.1\times {{10}^{10}}\]

    C) \[3.2\times {{10}^{10}}\]

    D) \[0.3\times {{10}^{10}}\]

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  • question_answer51) The trivalent ion having largest size in lanthanide series is:

    A) \[Ti\]

    B) \[Zr\]

    C) \[HF\]

    D) \[La\]

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  • question_answer52) The aldehyde which react with \[NaOH\] to produce an alcohol and sodium salt is:

    A) \[HCHO\]

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

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

    D) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}CHO\]

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  • question_answer53) The\[IUPAC\]name of\[{{(C{{H}_{3}})}_{2}}-CH\,\,C{{H}_{2}}-C{{H}_{2}}Br\]is:

    A) 1-bromo pentane

    B) 2-methyl-4-bromo butane

    C) 2-methyl-3-bromo pentane

    D) 1-bromo-3-methyl butane

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  • question_answer54) A system absorb 600 J of heat and work equivalent to 300 J on its surroundings. The change in internal energy is:

    A) \[300\,\,J\]

    B) \[400\,\,J\]

    C) \[500\,\,J\]

    D) \[600\,\,J\]

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  • question_answer55) Glucose and bromine water reacts to produce:

    A) glucarric acid

    B) gluconic acid

    C) sorbitol

    D) laevulinic acid

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  • question_answer56) The number of atoms present in unit cell of a monoatomic substance of simple cubic lattice is:

    A) \[6\]

    B) \[3\]

    C) \[2\]

    D) \[1\]

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  • question_answer57) The ore camalite is represented by structure:

    A) \[N{{a}_{2}}A{{l}_{2}}{{O}_{3}}\]

    B) \[N{{a}_{3}}Al{{F}_{6}}\]

    C) \[KClMgC{{l}_{2}}6{{H}_{2}}O\]

    D) \[F{{e}_{3}}{{O}_{4}}\]

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  • question_answer58) Quartz is a crystalline variety of:

    A) silicon carbide

    B) sodium silicate

    C) silica

    D) silicon

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  • question_answer59) The conjugate acid of \[N{{H}_{3}}\] ion is:

    A) \[N{{H}_{2}}OH\]

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

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

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

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  • question_answer60) The emf of a galvanic cell, with electrode potential of zinc \[=+0.76V\] and that of copper \[=0.34\,\,V\], is:

    A) \[0.76\,\,V\]

    B) \[1.1\,\,V\]

    C) \[-1,\,\,1\,\,V\]

    D) \[1.6\,\,V\]

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  • question_answer61) The maximum number of electrons present in an orbit\[l=3\], is :

    A) \[6\]

    B) \[8\]

    C) \[10\]

    D) \[14\]

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  • question_answer62) One mole of water at \[{{100}^{o}}C\] is converted into steam at \[{{100}^{o}}C\] at a constant pressure of \[1\,\,atm\]. The change in entropy is [heat of vaporisation of water at\[{{100}^{o}}C=540cal/gm\]]:

    A) \[8.74\]

    B) \[18.76\]

    C) \[24.06\]

    D) \[26.06\]

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  • question_answer63) The charge on gamma rays is:

    A) \[zero\]

    B) \[+1\]

    C) \[-1\]

    D) \[+2\]

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  • question_answer64) The equilibrium concentration of the species in the reaction \[A+B=C+D\] are \[3,\,\,5,\,\,10\] and \[15\,\,mole\,\,{{L}^{-1}}\] respectively at \[300\,\,K\] the \[\Delta G\] for the reaction is:

    A) \[13.81\]

    B) \[-1381.8\]

    C) \[-138.18\]

    D) \[1391.6\]

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  • question_answer65) Acetaldehyde gives orange coloured precipitate on treatment with:

    A) \[2,\,\,4-DNP\]

    B) \[N{{H}_{2}}OH\]

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

    D) \[NaOH\]

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  • question_answer66) Oxygen is not evolved on reaction of ozone with:

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

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

    C) \[Hg\]

    D) \[KI\]

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  • question_answer67) The volume occupied by one mole of water is [density of water\[=1\text{ }gm/c{{m}^{3}}:\]

    A) \[22400\,\,c{{m}^{3}}\]

    B) \[6.02\times {{10}^{-23}}c{{m}^{3}}\]

    C) \[3.0\times {{10}^{-23}}c{{m}^{3}}\]

    D) \[11200\,\,c{{m}^{3}}\]

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  • question_answer68) Alcoholic beverages contains:

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

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

    C) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\]

    D) \[{{(C{{H}_{3}})}_{2}}CHOH\]

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  • question_answer69) Calcium cyanamide on treatment with steam produce:

    A) \[CaC{{O}_{3}}+N{{H}_{3}}\]

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

    C) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\]

    D) \[{{(C{{H}_{3}})}_{2}}CHOH\]

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  • question_answer70) The laboratory method for the preparation of\[{{H}_{2}}{{O}_{2}}\]is:

    A) by adding \[Pb{{O}_{2}}\] into \[KMn{{O}_{4}}\] solution

    B) by adding \[N{{a}_{2}}O\] to cold water

    C) by adding \[Mn{{O}_{2}}\] to \[dil\,\,{{H}_{2}}S{{O}_{4}}\]

    D) by passing \[C{{O}_{2}}\] into \[Ba{{O}_{2}}\] solution

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  • question_answer71) The rate of reaction depends upon:

    A) concentration of reactants

    B) pressure

    C) volume

    D) force

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  • question_answer72) Among the following the weakest one is:

    A) metallic bond

    B) ionic bond

    C) van der Waals force

    D) covalent bond

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  • question_answer73) The hybridisation in \[B{{F}_{3}}\] molecule is:

    A) \[sp\]

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

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

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

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  • question_answer74) The molality of \[90%{{H}_{2}}S{{O}_{4}}\] solution is [density\[=1.8\,g\,\,ml\]]:

    A) \[1.8\]

    B) \[48.4\]

    C) \[91.8\]

    D) \[94.6\]

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  • question_answer75) The volume of. oxygen liberated from \[0.68\,\,gm\] of \[{{H}_{2}}{{O}_{2}}\] is:

    A) \[112\,\,ml\]

    B) \[224\,\,ml\]

    C) \[56\,\,ml\]

    D) \[336\,\,ml\]

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  • question_answer76) \[{{C}_{2}}{{H}_{5}}I\]and \[A{{g}_{2}}O\] reacts to produce:

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

    B) \[{{C}_{2}}{{H}_{5}}-{{C}_{2}}{{H}_{5}}\]

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

    D) \[{{C}_{2}}{{H}_{5}}-C{{H}_{3}}\]

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  • question_answer77) Mg bums in \[CO\] to produce:

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

    B) \[MgC{{O}_{3}}\]

    C) \[MgO+CO\]

    D) \[MgO+C\]

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  • question_answer78) The mass of a photon with a wavelength equal to \[1.54\times {{10}^{-8}}cm\] is:

    A) \[0.8268\times {{10}^{-34}}kg\]

    B) \[1.2876\times {{10}^{-33}}kg\]

    C) \[1.4285\times {{10}^{-32}}kg\]

    D) \[1.8884\times {{10}^{-32}}kg\]

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  • question_answer79) An organic compound on analysis produce \[C=40%,\,\,H=13.33\]and\[N=46.67%\]. The empirical formula of this compound is

    A) \[C{{H}_{5}}N\]

    B) \[C{{H}_{4}}N\]

    C) \[{{C}_{2}}{{H}_{5}}N\]

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

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  • question_answer80) The most electronegative halogen is:

    A) chlorine

    B) bromine

    C) fluorine

    D) iodine

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  • question_answer81) The planar structure is represented by:

    A) methane

    B) acetylene

    C) isobutene

    D) benzene

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  • question_answer82) \[Ca{{(OH)}_{2}}+{{H}_{3}}P{{O}_{4}}\xrightarrow{{}}CaHP{{O}_{4}}+2{{H}_{2}}O\]the equivalent weight of\[{{H}_{3}}P{{O}_{4}}\]in the above reaction is:

    A) \[21\]

    B) \[27\]

    C) \[38\]

    D) \[49\]

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  • question_answer83) The microcosmic salt is:

    A) \[Na(N{{H}_{4}}){{H}_{2}}O\]

    B) \[K(N{{H}_{4}})HP{{O}_{3}}2{{H}_{2}}O\]

    C) \[Na(N{{H}_{4}})HP{{O}_{4}}4{{H}_{2}}O)\]

    D) \[Na(N{{H}_{3}})HP{{O}_{4}}4{{H}_{2}}O\]

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  • question_answer84) Codon is present in:

    A) \[t-RNA\]

    B) \[m-RNA\]

    C) \[r-RNA\]

    D) all the above

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  • question_answer85) The bond order in \[CO_{3}^{2-}\] ion between\[C-O\]is:

    A) \[zero\]

    B) \[0.88\]

    C) \[1.33\]

    D) \[2\]

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  • question_answer86) At \[{{25}^{o}}C\] the specific conductivity of a normal solution of \[KCl\] is\[0.002765\,\,mho\]. The resistance of cell is\[400\,\,ohms\]. The cell constant is:

    A) \[0.815\]

    B) \[1.016\]

    C) \[1.106\]

    D) \[2.016\]

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  • question_answer87) Carboxylic acid undergoes ionization due to:

    A) hydrogen bonding

    B) absence of a-hydrogen

    C) high reactivity of a-hydrogen

    D) resonance stabilisation of carboxylate ions.

    View Answer play_arrow
  • question_answer88) \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\xrightarrow{NaN{{O}_{2}}HCl}X\xrightarrow{C{{u}_{2}}{{(CN)}_{2}}}\]\[Y\xrightarrow{{{H}_{2}}O/{{H}^{+}}}Z\]is identified as:

    A) \[{{C}_{6}}{{H}_{5}}-NH-C{{H}_{3}}\]

    B) \[{{C}_{6}}{{H}_{5}}-COOH\]

    C) \[{{C}_{6}}{{H}_{5}}-C{{H}_{2}}-N{{H}_{2}}\]

    D) \[{{C}_{6}}{{H}_{5}}-C{{H}_{2}}-COOH\]

    View Answer play_arrow
  • question_answer89) The nitration of a compound is due to the:

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

    B) \[N{{O}_{3}}\]

    C) \[NO\]

    D) \[{{N}^{+}}{{O}_{2}}\]

    View Answer play_arrow
  • question_answer90) The reaction of fat and sodium hydroxide is known as:

    A) dehydration

    B) hydrogenation

    C) saponification

    D) esterification

    View Answer play_arrow
  • question_answer91) The molecular weight of a gas is 45. Its density at STP is:

    A) 22.4

    B) 11.2

    C) 5.7

    D) 2.0

    View Answer play_arrow
  • question_answer92) According to Arrhenius hypothesis, rate of a reaction increases with:

    A) rise in temperature

    B) decrease in temperature

    C) rise in pressure

    D) decrease in pressure

    View Answer play_arrow
  • question_answer93) Which destroy antigens?

    A) insulin

    B) antibodies

    C) chromo protein

    D) phosphor protein

    View Answer play_arrow
  • question_answer94) For a weak acid, the incorrect statement is:

    A) its dissociation constant is low

    B) its \[_{p}{{k}_{a}}\] is very low

    C) it is partially dissociated

    D) solution of its sodium salt is alkaline in water

    View Answer play_arrow
  • question_answer95) The weight of a residue obtained by heating \[2.76\,\,g\] of silver carbonate is:

    A) \[2.76\,\,g\]

    B) \[2.98\,\,g\]

    C) \[2.16\,\,g\]

    D) \[2.44\,\,g\]

    View Answer play_arrow
  • question_answer96) The transition metal used as a catalyst is:

    A) nickel

    B) platinum

    C) cobalt

    D) all the above

    View Answer play_arrow
  • question_answer97) The number of moles of oxygen present in one litre of air under standard conditions (it contains \[21%\] oxygen) is:

    A) \[0.246\,\,mole\]

    B) \[0.07438mole\]

    C) \[2.0078\,\,mole\]

    D) \[0.0093\,\,mole\]

    View Answer play_arrow
  • question_answer98) Water gas is a mixture of:

    A) \[CO+{{N}_{2}}+{{H}_{2}}\]

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

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

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

    View Answer play_arrow
  • question_answer99) \[BaS{{O}_{4}}\] and carbon on heating reacts to produce:

    A) \[Ba+S{{O}_{2}}+C{{O}_{2}}\]

    B) \[BaS+CO\]

    C) \[BaS+{{O}_{2}}+S{{O}_{2}}\]

    D) \[BaC{{O}_{3}}+S+{{O}_{2}}\]

    View Answer play_arrow
  • question_answer100) The enzyme present in saliva is:

    A) lipase

    B) pepsin

    C) ptyalin

    D) proteinase

    View Answer play_arrow
  • question_answer101) The study related to the structure and function of a cell is called as:

    A) physiology

    B) cytology

    C) histology

    D) cellology

    View Answer play_arrow
  • question_answer102) The longest phase of meiosis I is:

    A) metaphase I

    B) prophase I

    C) anaphase I

    D) telophase I

    View Answer play_arrow
  • question_answer103) Fluid mosaic model was given by:

    A) Knoll and Ruska

    B) Singer and Ruska

    C) Singer and Nicolson

    D) Bateson and Punnet

    View Answer play_arrow
  • question_answer104) Colchicine prevents the mitosis of cell at:

    A) prophase stage

    B) anaphase stage

    C) telophase stage

    D) metaphase stage

    View Answer play_arrow
  • question_answer105) Phylogenetic system of classification was proposed by:

    A) Linneaus

    B) Bentham

    C) Hutchinson

    D) The ophrastes

    View Answer play_arrow
  • question_answer106) The first acceptor of \[C{{O}_{2}}\] in \[{{C}_{4}}\] plant is:

    A) pyruvic acid

    B) phosphoenol pyruvic acid

    C) acetic acid

    D) oxaloacetic acid

    View Answer play_arrow
  • question_answer107) The term mitochondria was given by:

    A) Benda

    B) Altmann

    C) Palade

    D) de Duve

    View Answer play_arrow
  • question_answer108) Auxenometer is used to measure :

    A) length

    B) width

    C) depth

    D) growth

    View Answer play_arrow
  • question_answer109) The term protoplasm was coined by:

    A) Virchov

    B) Purkinje

    C) Dujardin

    D) Kolliker

    View Answer play_arrow
  • question_answer110) In Ulothrix meiosis occurs in:

    A) gamete

    B) zygospore

    C) zoospore

    D) thallus

    View Answer play_arrow
  • question_answer111) Fern gametophyte bears:

    A) archegonia

    B) antheridia

    C) sporangia

    D) both a and b

    View Answer play_arrow
  • question_answer112) Alexender Flamming in 1939 discovered:

    A) penicillin

    B) streptomycin

    C) tetracyclin

    D) chloromycitin

    View Answer play_arrow
  • question_answer113) Lichens are:

    A) sporophyte

    B) parasite

    C) symbionts

    D) predator

    View Answer play_arrow
  • question_answer114) Parachute mechanism of seed dispersal is seen in:

    A) Poppy

    B) Calotoropis

    C) Plumbago

    D) Lotus

    View Answer play_arrow
  • question_answer115) Lomentum is a kind of:

    A) inflorescence

    B) plant

    C) fruit

    D) insect

    View Answer play_arrow
  • question_answer116) Which of the following is considered as a recessive character of Mendel?

    A) Round seed

    B) Wrinkled seed

    C) Axial flower

    D) Green pod

    View Answer play_arrow
  • question_answer117) In which of the following parthenocarpy makes no sense:

    A) Banana

    B) Orange

    C) Lemon

    D) Pomegranate

    View Answer play_arrow
  • question_answer118) Manmade allopolyploid cereal crop is:

    A) Raphano brassica

    B) Triticale

    C) Pomato

    D) none of the above

    View Answer play_arrow
  • question_answer119) Cellular respiration occurs in :

    A) chloroplast

    B) golgibodies

    C) mitochondria

    D) nucleus

    View Answer play_arrow
  • question_answer120) Enzymes are functional at:

    A) \[10-{{15}^{o}}C\]

    B) \[15-{{25}^{o}}C\]

    C) \[25-{{30}^{o}}C\]

    D) \[30-{{50}^{o}}C\]

    View Answer play_arrow
  • question_answer121) Multiplication of DNA is called:

    A) translation

    B) replication

    C) Transduction

    D) transcription

    View Answer play_arrow
  • question_answer122) The pigment sensitive for red and far red light is:

    A) chlorophyll

    B) phytochrome

    C) cytochrome

    D) carotene

    View Answer play_arrow
  • question_answer123) Decomposers are:

    A) autotrophs

    B) heterotrophs

    C) organotrophs

    D) autoheterotrophs

    View Answer play_arrow
  • question_answer124) Acid rain is due to the pollution by:

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

    B) \[S{{O}_{2}}\]and\[N{{O}_{2}}\]

    C) dust particles

    D) automobiles

    View Answer play_arrow
  • question_answer125) Ovule with funiculus lying close to micropyle is known as:

    A) anatropous

    B) campylotropous

    C) atropous

    D) cytokinin

    View Answer play_arrow
  • question_answer126) Hormone preventing seed dormancy is:

    A) Auxin

    B) Gibberellin

    C) Ethylene

    D) Cytokinin

    View Answer play_arrow
  • question_answer127) In CAM plants stomata are:

    A) closed to night and open during the day

    B) closed during the day & open at night

    C) never closes

    D) never opens

    View Answer play_arrow
  • question_answer128) Which of the following is biodegradable pollutant?

    A) Sewage

    B) Plastic

    C) Polythene

    D) DDT

    View Answer play_arrow
  • question_answer129) In dicot stem secondary growth is due to the activity of:

    A) apical meristem

    B) lateral meristem

    C) cork

    D) bark

    View Answer play_arrow
  • question_answer130) The real force responsible for the movement of water from cell to cell is:

    A) OP

    B) TP

    C) DPD

    D) BP

    View Answer play_arrow
  • question_answer131) The inflorescence found in Ficus is known as:

    A) cyathium

    B) catkin

    C) syconus

    D) hypanthodium

    View Answer play_arrow
  • question_answer132) In Opuntia the spines are modification of:

    A) leaf

    B) branch

    C) epidermis

    D) flower

    View Answer play_arrow
  • question_answer133) Witches broom disease is caused by :

    A) Fungus

    B) Mycoplasma

    C) Bacteria

    D) mineral

    View Answer play_arrow
  • question_answer134) Antiviral substance is:

    A) antigen

    B) antibody

    C) interferon

    D) interon

    View Answer play_arrow
  • question_answer135) Which of the following is symbiotic bacteria?

    A) Rhizobiurn

    B) Azotobactor

    C) Clostridium

    D) Streptomyces

    View Answer play_arrow
  • question_answer136) The thallus of Volvox is called:

    A) trichome

    B) coenobium

    C) coenocyte

    D) parenchymatous

    View Answer play_arrow
  • question_answer137) Resin duct of gymnospermous stem is an example of:

    A) lysigenous cavity

    B) lysogenous cavity

    C) shizogenous cavity

    D) shizolysigenous cavity

    View Answer play_arrow
  • question_answer138) During food chain the maximum energy is stored in:

    A) producers

    B) decomposers

    C) herbivores

    D) carnivores

    View Answer play_arrow
  • question_answer139) Insectivorous plants usually survive in:

    A) water rich soil

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

    C) \[{{N}_{2}}\]rich soil

    D) sugar deficient medium

    View Answer play_arrow
  • question_answer140) Spore of Funaria on germination give rise to:

    A) protonema

    B) embryo

    C) antheridia

    D) archegonia

    View Answer play_arrow
  • question_answer141) The function of a vessel is:

    A) conduction of food

    B) conduction of water and minerals

    C) conduction of hormones

    D) all the above

    View Answer play_arrow
  • question_answer142) In the phosphorus cycle, weathering makes phosphate available first to:

    A) decomposers

    B) consumers

    C) producers

    D) all the above

    View Answer play_arrow
  • question_answer143) Periderm includes:

    A) cork, cork cambium

    B) secondary cortex

    C) cork

    D) cork, cork cambium and secondary cortex

    View Answer play_arrow
  • question_answer144) In a food chain, the total amount of living material is depicted by:

    A) pyramid of biomass

    B) pyramid of energy

    C) pyramid of number

    D) trophic levels

    View Answer play_arrow
  • question_answer145) In the process of photosynthesis water molecule breaks in:

    A) red drop

    B) photolysis

    C) phosphorylation

    D) carbon assimilation

    View Answer play_arrow
  • question_answer146) Syngamy is the process in which:

    A) male gamete fuses with female gamete

    B) pollen tube enters into the ovule through micropyle

    C) pollen tube enter into the ovule through chalaza

    D) vegetative cell and tube cell fuse

    View Answer play_arrow
  • question_answer147) The \[1:2:1\] ratio with the pink flower in the \[{{F}_{2}}\]generation indicate the phenomenon of:

    A) dominance

    B) codominance

    C) incomplete dominance

    D) segregation

    View Answer play_arrow
  • question_answer148) The chemical produced by the host plant to protect themselves against fungal infection is:

    A) toxin

    B) phytoalexin

    C) phytotoxin

    D) hormone

    View Answer play_arrow
  • question_answer149) The phenomenon ontogeny repeats phylogeny is explained by:

    A) natural selection

    B) inheritance theory

    C) mutation theory

    D) recapitulation theory

    View Answer play_arrow
  • question_answer150) Nitrates are converted to nitrogen by

    A) nitrogen fixing bacteria

    B) ammonification bacteria

    C) denitrifying bacteria

    D) nitrifying bacteria

    View Answer play_arrow
  • question_answer151) The continuous excretion of water substance from stump of a well-watered pot plant after cutting off the shoot slightly above the base is due to:

    A) root pressure

    B) guttation

    C) transpiration

    D) imbibition

    View Answer play_arrow
  • question_answer152) The organelle which bear anthocyanims is:

    A) Chlorplast

    B) chromoplast

    C) vacuole

    D) Etioplast

    View Answer play_arrow
  • question_answer153) Which of the following hormone is gaseous in nature?

    A) ethylene

    B) auxin

    C) gibberellin

    D) cytokinin

    View Answer play_arrow
  • question_answer154) A nucleoside is:

    A) sugar + base

    B) sugar + phosphate

    C) base + phosphate

    D) sugar + base + phosphate

    View Answer play_arrow
  • question_answer155) A lubricant, mucin in saliva is made up of:

    A) glycoprotein

    B) polysaccharide

    C) phospholipids

    D) myosin

    View Answer play_arrow
  • question_answer156) At which phase of meiosis, the two cells each with separated sister chromatids move towards opposite poles:

    A) metaphase I

    B) metaphase II

    C) anaphase I

    D) anaphase II

    View Answer play_arrow
  • question_answer157) A metazoa without tissue organisation is called:

    A) parazoa

    B) protozoa

    C) eumetazoa

    D) dermatozoa

    View Answer play_arrow
  • question_answer158) The nucleus is separated from surrounding cytoplasm by a nuclear membrane, which is:

    A) single layered with pores

    B) single layered without pores

    C) double layered with pores

    D) double layered without pores

    View Answer play_arrow
  • question_answer159) During conjugation in Paramecium:

    A) out of the four micronuclei formed three degenerate

    B) out of six macronuclei formed, four degenerate

    C) zygote nucleus undergoes eight successive division in each conjugant

    D) out of 16 nuclei only 4 degenerate

    View Answer play_arrow
  • question_answer160) Which of the following pair is correct:

    A) protozoa - Hydra

    B) arthropoda - Crustacea - cockroach

    C) mollusca - Cephalopoda - Octopus

    D) Annelide - Polychaeta - leech

    View Answer play_arrow
  • question_answer161) Ecosystem consists of:

    A) producers

    B) consumers

    C) decomposers

    D) all the above

    View Answer play_arrow
  • question_answer162) The correct sequence of food chain is:

    A) grass - insect - bird - snake

    B) grass - bird - insect - snake

    C) snake - bird - insect - grass

    D) grass - snake - bird - insect

    View Answer play_arrow
  • question_answer163) The terminating codon are:

    A) UAA

    B) UAG

    C) UGA

    D) all the above

    View Answer play_arrow
  • question_answer164) Tocopherol stands for:

    A) vit. K

    B) vit. A

    C) vit. E

    D) vit. C

    View Answer play_arrow
  • question_answer165) The outer membrane of lung is called:

    A) pericardium

    B) peritoneum

    C) pleural membrane

    D) perichondrium

    View Answer play_arrow
  • question_answer166) Blood group \[O\] has:

    A) no antibodies

    B) no antigens

    C) A or B antibodies

    D) A or B antigens

    View Answer play_arrow
  • question_answer167) Darwins finches represents:

    A) morphological variation

    B) geographical isolation

    C) climatic variation

    D) reproductive isolation

    View Answer play_arrow
  • question_answer168) DPT vaccine is given for:

    A) tetanus, polio, plague

    B) diphtheria, whooping cough and leprosy

    C) diphtheria, pneumonia, tetanus

    D) diphtheria, whooping cough, tetanus

    View Answer play_arrow
  • question_answer169) Abiogenetic theory of origin states:

    A) spontaneous generation

    B) organic evolution due to chemical reaction

    C) origin of life due to pre-existing organisms

    D) origin of life from blue green algae

    View Answer play_arrow
  • question_answer170) What is the scientific name of pinworm of man?

    A) Trichinella spiralis

    B) Dracunculus medinensis

    C) Trichuris trichuria

    D) Enterobius vermicularis

    View Answer play_arrow
  • question_answer171) Which of the following is entero coelomate invertebrate?

    A) Echinodermata

    B) Arthropoda

    C) Annelida

    D) Mollusca

    View Answer play_arrow
  • question_answer172) The egg of a frog is:

    A) centrolecithal

    B) macrolecithal

    C) microlecithal

    D) mesolecithal

    View Answer play_arrow
  • question_answer173) Sub class Prototheria is related with egg laying mammal such as:

    A) Kangaroo

    B) Echidna

    C) Primate

    D) none

    View Answer play_arrow
  • question_answer174) Regeneration of tail in lizards is an example of:

    A) epimorphosis

    B) morpholaxis

    C) hetero mrophosis

    D) parthenogenesis

    View Answer play_arrow
  • question_answer175) Territoriality occurs as a result of:

    A) predation

    B) parasitism

    C) symbiotism

    D) competition

    View Answer play_arrow
  • question_answer176) Which of the following metal is a water pollutant and causes sterility in human being?

    A) \[As\]

    B) \[Mn\]

    C) \[Mg\]

    D) \[Hg\]

    View Answer play_arrow
  • question_answer177) Snake has:

    A) movable eyelids

    B) immovable eyelids

    C) no eyelids

    D) eyelids in pouches

    View Answer play_arrow
  • question_answer178) Cockroach and earthworm have common type of:

    A) heart

    B) nerve cord

    C) nephridia

    D) sperma thecae

    View Answer play_arrow
  • question_answer179) Which of the following cell type is capable of giving rise to other cell type in sponges?

    A) Archaeocytes

    B) Collenocytes

    C) Therocytes

    D) Pinacocytes

    View Answer play_arrow
  • question_answer180) Which of the following is characteristic of fishes?

    A) Tail and venous heart

    B) Venous heart and gills

    C) Gills and tail

    D) Scales and gills

    View Answer play_arrow
  • question_answer181) The main function of Henles loop is:

    A) conservation of water

    B) filtration of blood

    C) passage of urine

    D) formation of urine

    View Answer play_arrow
  • question_answer182) Transmission of nerve impulse, across the synapse is accomplished by:

    A) release of ions

    B) release of neurotransmitters

    C) movement of water

    D) movement of \[N{{a}^{+}}\] and \[{{K}^{+}}\]

    View Answer play_arrow
  • question_answer183) Pacemaker is:

    A) AV node

    B) SA node

    C) AS node

    D) SV node

    View Answer play_arrow
  • question_answer184) A sesamoid bone is:

    A) palatine

    B) pterygoid

    C) patella

    D) presphenoid

    View Answer play_arrow
  • question_answer185) Peyers patches produce :

    A) trypsin

    B) mucous

    C) lymphocyte

    D) leucocyte

    View Answer play_arrow
  • question_answer186) The purely motor cranial nerve is :

    A) facial

    B) vagus

    C) trigeminal

    D) spinal accessory

    View Answer play_arrow
  • question_answer187) The type of joint between humerus and radius bone is called:

    A) gliding joint

    B) shaddle joint

    C) pivot joint

    D) hinge joint

    View Answer play_arrow
  • question_answer188) Tendon or ligaments are :

    A) connective tissue

    B) vascular tissue

    C) epithelial tissue

    D) skeletal tissues

    View Answer play_arrow
  • question_answer189) Maximum expiratory volume is :

    A) 100 ml

    B) 1000 ml

    C) 1500 ml

    D) 3000 ml

    View Answer play_arrow
  • question_answer190) The function and unit of nervous system is:

    A) neuron

    B) axon

    C) dendrite

    D) cyton

    View Answer play_arrow
  • question_answer191) Ovulation takes place in a month during:

    A) 11-14 days

    B) 14-16 days

    C) 15-28 days

    D) 21-26 days

    View Answer play_arrow
  • question_answer192) After 14 years of age among men, the gland that disappears is:

    A) pineal

    B) thyroid

    C) para thyroid

    D) thymus

    View Answer play_arrow
  • question_answer193) A cross between donkey and horse is a:

    A) poly hybrid cross

    B) monohybrid cross

    C) dihybrid cross

    D) reciprocal cross

    View Answer play_arrow
  • question_answer194) Common feature between house fly and honey bee is:

    A) head

    B) mouthparts

    C) abdomen

    D) three pairs of jointed legs

    View Answer play_arrow
  • question_answer195) ELISA test is done for the diagnosis of:

    A) Anthrax

    B) HIV

    C) hepatitis

    D) malaria

    View Answer play_arrow
  • question_answer196) Fossils of Australopithecus were first found in:

    A) America

    B) Australia

    C) S. Africa

    D) E. Africa

    View Answer play_arrow
  • question_answer197) Cholera, leprosy and diphtheria are :

    A) bacterial diseases

    B) viral diseases

    C) fungal diseases

    D) functional diseases

    View Answer play_arrow
  • question_answer198) Which of the following is common in Annelida and Arthropoda?

    A) basal nerve cord

    B) dorsal nerve cord

    C) ventral nerve cord

    D) anterior nerve cord

    View Answer play_arrow
  • question_answer199) Hydra captures the victim by injecting the chemical:

    A) kaliotoxin

    B) hypnotoxin

    C) toxoplasmin

    D) sarafotoxin

    View Answer play_arrow
  • question_answer200) The hormone dial regulates the calcium level of blood is:

    A) parathormone

    B) estrogen

    C) insulin

    D) thyroxine

    View Answer play_arrow

   

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