Solved papers for CET Karnataka Medical CET - Karnataka Medical Solved Paper-2001

done CET - Karnataka Medical Solved Paper-2001 Total Questions - 180

• question_answer1) Two spherical black bodies of radii \[{{r}_{1}}\]and \[{{r}_{2}}\] with surface temperature \[{{T}_{1}}\]and \[{{T}_{2}}\]respectively. Radiate the same power. Then the ratio of r1 and r2 will be:
  A)
   \[{{\left( \frac{{{T}_{2}}}{{{T}_{1}}} \right)}^{2}}\]
  done clear
  B)
   \[{{\left( \frac{{{T}_{2}}}{{{T}_{1}}} \right)}^{4}}\]
  done clear
  C)
    \[{{\left( \frac{{{T}_{1}}}{{{T}_{2}}} \right)}^{2}}\]
  done clear
  D)
   \[{{\left( \frac{{{T}_{1}}}{{{T}_{2}}} \right)}^{4}}\]
  done clear
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• question_answer2) A source having frequency of 240 Hz is moving towards on observer with a speed of 20 m/s when the observer is moving towards the source with a velocity of 20 m/s. Then apparent frequency heard by the observer, if velocity of sound is 330 m/s, will be:
  A)
   268 Hz
  done clear
  B)
   271 Hz
  done clear
  C)
   368 Hz
  done clear
  D)
   250 Hz
  done clear
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• question_answer3) In the circuit shown in figure neglecting source resistance the voltmeter and ammeter reading will respectively, will be:
  A)
   0 V, 3 A
  done clear
  B)
   150 V, 3A
  done clear
  C)
    150 V, 6 A
  done clear
  D)
   0 V, 8 A
  done clear
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• question_answer4) Three rods of same dimensions are arranged as shown in figure they have thermal conductivities \[{{K}_{1}},\text{ }{{K}_{2}}\]and \[{{K}_{3}}.\]The points P and Q are maintained a at different temperatures for the heat to flow at the same rate along PRQ and PQ:
  A)
   \[{{K}_{3}}=\frac{1}{2}\left( {{K}_{1}}+{{K}_{2}} \right)\]
  done clear
  B)
   \[{{K}_{3}}={{K}_{1}}+{{K}_{2}}\]
  done clear
  C)
   \[{{K}_{3}}=\frac{{{K}_{1}}{{K}_{2}}}{{{K}_{1}}+{{K}_{2}}}\]
  done clear
  D)
   \[{{K}_{3}}=2\left( {{K}_{1}}+{{K}_{2}} \right)\]
  done clear
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• question_answer5) PQRS is a square loop made of uniform conducting wire the current enters the loop at P and leaves at S. Then the magnetic field will be:
  A)
   maximum at the centre of the loop
  done clear
  B)
   zero at the centre of loop
  done clear
  C)
    zero at all points inside the loop
  done clear
  D)
   zero at all points outside of the loop  
  done clear
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• question_answer6)  If the velocity of sound in air is 336 m/s. The maximum length of a closed pipe that would produce a just audible sound will be:
  A)
   3.2 cm
  done clear
  B)
   4.2 m
  done clear
  C)
   4.2 cm
  done clear
  D)
   3.2 m
  done clear
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• question_answer7) How will the image formed by a convex lens be affected, if the central portion of the lens is wrapped in black paper as shown in the figure:
  A)
   full image will be formed but without central portion
  done clear
  B)
   two image will be formed one due to each exposed half
  done clear
  C)
   full image will be formed but it is less bright
  done clear
  D)
   no image will be formed
  done clear
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• question_answer8) A ray of light is incident normally on one of the falls of a prism of angle 30° and refractive index\[\sqrt{2}\]. The angle of deviation will be:
  A)
  \[26{}^\circ \]
  done clear
  B)
  \[0{}^\circ \]
  done clear
  C)
  \[23{}^\circ \]
  done clear
  D)
  \[13{}^\circ \]
  done clear
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• question_answer9) Translational kinetic energy of a gas molecule, for one mole of the gas, is equal to:
  A)
   2KT
  done clear
  B)
   \[\frac{1}{2}\]RT
  done clear
  C)
   \[\frac{3}{2}\]RT        
  done clear
  D)
   \[\frac{2}{3}\]KT
  done clear
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• question_answer10) If the radius of earth is reduced by 2% keeping its mass constant. Then the weight of the body on its surface will:
  A)
   increases
  done clear
  B)
   decreases
  done clear
  C)
    remain same
  done clear
  D)
   either  or
  done clear
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• question_answer11) An ideal gas is taken around PQRP as shown in the figure of PV diagram. The work done during a cycle is:
  A)
   zero
  done clear
  B)
   \[\frac{1}{2}\]PV
  done clear
  C)
   PV
  done clear
  D)
   2PV
  done clear
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• question_answer12) In an as trinomial telescope, the focal length of objective lens and eye piece are 150 cm and 6 cm respectively. In normal adjustment the magnifying power is:
  A)
   20
  done clear
  B)
   30
  done clear
  C)
   60
  done clear
  D)
   15
  done clear
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• question_answer13) In an experiment with Kunds tube, the distance between consecutive nodes is 5 cm, when air is inside and it is 13.4 cm, when hydrogen is inside then the velocity of sound in hydrogen will be   (velocity  of  sound  in  air = 330 m/s):
  A)
   884.4 m/s
  done clear
  B)
   984.4 m/s
  done clear
  C)
   1084.4 m/s
  done clear
  D)
   none of these
  done clear
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• question_answer14) A second harmonic has to be generated in a string of length I stretched between two rigid supports. The point where the string has to be plucked and touched are:
  A)
   plucked at \[\frac{l}{4}\] and touch at \[\frac{l}{2}\]
  done clear
  B)
   plucked at \[\frac{l}{4}\]and touch at \[\frac{3l}{4}\]
  done clear
  C)
   plucked at \[\frac{l}{2}\] and touched at \[\frac{l}{4}\]
  done clear
  D)
   plucked at \[\frac{l}{2}\] and touched at \[\frac{3l}{2}\]
  done clear
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• question_answer15) Five resistance are connected as shown in figure. The equivalent resistance between P and Q will be:
  A)
   \[\frac{10}{3}\Omega \]
  done clear
  B)
   \[\frac{20}{3}\Omega \]
  done clear
  C)
   \[\frac{16}{2}\Omega \]
  done clear
  D)
   none of these
  done clear
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• question_answer16) In a parallel plate capacitor of capacitance C, a metal sheet is inserted between the plates, parallel to them. If the thickness of the sheet is reduced to half of the separation between the plates. The capacitance will be:
  A)
   \[\frac{C}{2}\]
  done clear
  B)
   \[\frac{3C}{4}\]
  done clear
  C)
   4 C
  done clear
  D)
   2 C
  done clear
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• question_answer17) The forward voltage in a diode increased the width of the depletion region:
  A)
   does not change
  done clear
  B)
   decreases
  done clear
  C)
   increases
  done clear
  D)
   none of these
  done clear
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• question_answer18) An electric bulb is designed to draw power P0 at voltage V0. If the voltage is V it draws a power P2. Then:
  A)
   \[P={{\left( \frac{{{V}_{0}}}{V} \right)}^{2}}{{P}_{0}}\]
  done clear
  B)
   \[P={{\left( \frac{V}{{{V}_{0}}} \right)}^{2}}{{P}_{0}}\]
  done clear
  C)
   \[P=\left( \frac{V}{{{V}_{0}}} \right){{P}_{0}}\]
  done clear
  D)
   \[P=\left( \frac{{{V}_{0}}}{V} \right){{P}_{0}}\]
  done clear
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• question_answer19) A magnet dropped into a coil of conducting wire along its axis will fall with an acceleration:
  A)
   more than g
  done clear
  B)
   equal to g
  done clear
  C)
   less than g
  done clear
  D)
   none of these
  done clear
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• question_answer20) The resistors of resistances 2\[\Omega \], 4\[\Omega \] and 8\[\Omega \] are connected in parallel, then the equivalent    resistance of the combination will be:
  A)
   \[\frac{8}{7}\Omega \]
  done clear
  B)
   \[\frac{7}{8}\Omega \]
  done clear
  C)
    \[\frac{7}{4}\Omega \]
  done clear
  D)
   \[\frac{4}{9}\Omega \]
  done clear
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• question_answer21) A ball of mass 1g and charge 10-8 C moves from a point A. Where potential is 600 volt to the point B where potential is zero. Velocity of the ball at the point B is 20 cm/s. The velocity of the ball at the point A will be:
  A)
   22.8 cm/s
  done clear
  B)
   228 cm/s
  done clear
  C)
   16.8 m/s
  done clear
  D)
   168 m/s
  done clear
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• question_answer22) A small object is placed 10 cm in front of a plane mirror. If you stand behind the object 30 cm from the mirror and look at its image, the distance focused for your eye will be:
  A)
   60 cm
  done clear
  B)
   20 cm
  done clear
  C)
   40 cm
  done clear
  D)
   80 cm
  done clear
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• question_answer23) A milliammeter of range 10 mA has a coil of resistance 1\[\Omega \]. To use it as voltmeter of range 10 volt, the resistance that must be connected in series with it, will be:
  A)
   999 \[\Omega \]
  done clear
  B)
   99 \[\Omega \]
  done clear
  C)
   1000 \[\Omega \]
  done clear
  D)
   none of these
  done clear
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• question_answer24) While a capacitor remains connected to a battery and dielectric slab is applied between the plates, then:
  A)
   potential difference between the plates is changed
  done clear
  B)
   charge flows from the battery to the capacitor
  done clear
  C)
   electric field between the plates increases
  done clear
  D)
   energy store in the capacitor decreases
  done clear
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• question_answer25) There are two electric bulbs of 40 volt and 60 watt. The ratio of their resistance will be:
  A)
   5 : 4
  done clear
  B)
   4 : 3
  done clear
  C)
   3 : 2
  done clear
  D)
   2 : 3
  done clear
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• question_answer26) A charge q is placed at the centre of the line joining two equal charges Q. The system of there charges will be in equilibrium if q is equal to
  A)
   \[-\frac{Q}{4}\]
  done clear
  B)
   \[-\frac{Q}{2}\]
  done clear
  C)
   \[+\frac{Q}{2}\]
  done clear
  D)
   \[+\frac{Q}{4}\]
  done clear
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• question_answer27) If a ball is thrown vertically upwards; assuming the air resistance to be constant and considerable, then:
  A)
   time of ascent \[\ge \] time of descent
  done clear
  B)
   time of ascent = time of descent
  done clear
  C)
   time of ascent < time of descent
  done clear
  D)
   time of ascent > time of descent
  done clear
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• question_answer28) The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric effect for aluminium will be:
  A)
   420 nm
  done clear
  B)
   350 nm
  done clear
  C)
   300 nm
  done clear
  D)
   200 nm
  done clear
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• question_answer29) A bus is moving with a velocity of 5 m/s towards a huge well. The driver sounds a horn of frequency 165 Hz. If the speed of sound in air is 355 m/s, the number of beats heard per second by a passenger on the bus will be:
  A)
   6
  done clear
  B)
   5
  done clear
  C)
   3
  done clear
  D)
   4
  done clear
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• question_answer30) If the critical angle for total internal reflection from a medium to vacuum is \[30{}^\circ \], then velocity of light in the medium is:
  A)
  \[1.5\times {{10}^{8}}m/s\]
  done clear
  B)
   \[3\times {{10}^{8}}m/s\]
  done clear
  C)
   \[0.75\text{ }m/s\]
  done clear
  D)
   \[6\times {{10}^{8}}m/s\]
  done clear
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• question_answer31) In a stationary wave, all particles of the medium cross the mean position with:
  A)
   different velocities  at  different instants
  done clear
  B)
   different velocities at same instants
  done clear
  C)
   same speed at all instants
  done clear
  D)
   different speed at all instants
  done clear
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• question_answer32) A cylinder of 5 litre capacity, filled with air at N.T.P. is connected with another evacuated cylinder of 30 litres of capacity the resultant air pressure in both the cylinders will be:
  A)
   38.85 cm of Hg
  done clear
  B)
   21.85 cm of Hg
  done clear
  C)
   10.85 cm of Hg
  done clear
  D)
   14.85 cm of Hg
  done clear
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• question_answer33) As the intensity of incident light increases then:
  A)
   K.E. of photoelectron decreases
  done clear
  B)
   K.E. of photoelectron increases
  done clear
  C)
   photoelectric current increases
  done clear
  D)
   photoelectric current decreases
  done clear
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• question_answer34) Which of- the following statement is not the true?
  A)
   while taking reading of tangent galvanometer, the plane of the coil must be set at right angles to the earths magnetic meridian
  done clear
  B)
   a short magnet is used in a tangent galvanometer since a long magnet would be heavy and may not easily move
  done clear
  C)
   measurements with the tangent galvanometer will be more accurate, when the deflection is around 45°
  done clear
  D)
   a tangent galvanometer cannot be used in the polar region
  done clear
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• question_answer35) Pick out the statement which is not true:
  A)
   shortest wavelength UV radiation are beneficial to living tissue while longer wavelength are harmful:
  done clear
  B)
   UV radiation have wavelength extending from 200 nm to 400 nm.
  done clear
  C)
   UV   radiation   are   used   for sterlisation of water
  done clear
  D)
   sun is natural source of UV radiation
  done clear
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• question_answer36) The relative permeability is represented by \[{{\mu }_{r}}\]and the susceptibility is denoted by % for a magnetic substance. Then for a paramagnetic substance:
  A)
   \[{{\mu }_{r}}<1,\chi <0\]
  done clear
  B)
   \[{{\mu }_{r}}<1,\chi >0\]
  done clear
  C)
    \[{{\mu }_{r}}>1,\chi <0\]
  done clear
  D)
   \[{{\mu }_{r}}>1,\chi >0\]
  done clear
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• question_answer37) An electron moving in a circular orbit of radius r makes n rotation per second. The magnetic field produced at the centre has a magnitude of:
  A)
   \[\frac{{{\mu }_{0}}ne}{2r}\]
  done clear
  B)
   \[\frac{{{\mu }_{0}}{{n}^{2}}e}{2r}\]
  done clear
  C)
   \[\frac{{{\mu }_{0}}ne}{2\pi r}\]
  done clear
  D)
   zero
  done clear
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• question_answer38) A train is moving towards north with a speed of 180 km/hr. If the vertical component of the earths magnetic field is \[0.2\times {{10}^{-4}}\] the e. m. f. induced, in the axle 1-5 m long, is:
  A)
   1.5 mV
  done clear
  B)
   15 mV
  done clear
  C)
   5.4 mV
  done clear
  D)
   54 mV
  done clear
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• question_answer39) When a ceiling fan is switched off its angular velocity radius 50% while its makes 36 rotations. How many more rotation will it make before coming to rest (Assume uniform angular retardation):
  A)
   18
  done clear
  B)
   12
  done clear
  C)
   36
  done clear
  D)
   48
  done clear
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• question_answer40) During an adiabatic process the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio of \[{{C}_{p}}/{{C}_{v}}\]for the gas is:
  A)
   \[\frac{3}{2}\]            
  done clear
  B)
   \[\frac{4}{3}\]
  done clear
  C)
   2
  done clear
  D)
   \[\frac{5}{3}\]
  done clear
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• question_answer41) Three fourth of the active nuclei present in a radioactive sample decay in ¾ sec. The half life of the sample is:
  A)
   \[\frac{1}{2}\] sec          
  done clear
  B)
   1 sec
  done clear
  C)
   \[\frac{3}{8}\] sec
  done clear
  D)
   \[\frac{3}{4}\]sec
  done clear
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• question_answer42) A gas at the temperature 250 K is contained in a closed vessel. If the gas is heated through 1 K, then the percentage increase in its pressure will be:
  A)
   0.4%
  done clear
  B)
   0.2%
  done clear
  C)
   0.1%
  done clear
  D)
   0.8%
  done clear
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• question_answer43) Transverse waves of same frequency are generated in two steel wires A and B. The diameter of A is twice of B and the tension in A is half that in B. The ratio of velocities of wave in A and B is:
  A)
   1 : 3\[\sqrt{2}\]
  done clear
  B)
   1 : 2\[\sqrt{2}\]
  done clear
  C)
   1 : 2
  done clear
  D)
   \[\sqrt{2}\]: 1
  done clear
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• question_answer44) A block of mass 1 kg slides down a rough inclined plane of inclination 60° starting from its top. If coefficient of kinetic friction is 0.5 and length of the plane d = 1 m then work done against friction is:
  A)
   2.45 J
  done clear
  B)
   4.9 J
  done clear
  C)
   9.8 J
  done clear
  D)
   19.6 J
  done clear
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• question_answer45) A bar magnet of magnetic moment M is cut into two parts of equal length. The magnetic moment of each part will be
  A)
   12 M
  done clear
  B)
   M
  done clear
  C)
   0.5 M
  done clear
  D)
   zero
  done clear
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• question_answer46) A body, thrown upwards with some velocity, reaches the maximum height of 20 m. Another body with double the mass thrown up, with double initial velocity will reach a maximum height of:
  A)
   200 m
  done clear
  B)
   16 am
  done clear
  C)
   80 m
  done clear
  D)
   40 m
  done clear
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• question_answer47) A particle having charge 100 times that of an electron is revolving in a circular path of radius 0.8 m with one rotation per second. Magnetic field produced at the centre of particle will be:
  A)
   10-17\[{{\mu }_{0}}\]
  done clear
  B)
   10-11\[{{\mu }_{0}}\]\[{{10}^{-11}}{{\mu }_{0}}\]
  done clear
  C)
  \[{{10}^{-7}}{{\mu }_{0}}\]
  done clear
  D)
   \[{{10}^{-3}}{{\mu }_{0}}\]
  done clear
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• question_answer48) The resultant of two forces 3P and IP is R If the first force is doubled then the resultant is also doubled. The angle between the two forces is:
  A)
  \[60{}^\circ \]
  done clear
  B)
  \[120{}^\circ \]
  done clear
  C)
  \[70{}^\circ \]
  done clear
  D)
  \[180{}^\circ \]
  done clear
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• question_answer49)  In an n - p - n transistor circuit, the collector current is 10 mA. If 90% of the electrons emitted reach the collector, the emitter current IE and base current IB are given by:
  A)
   \[{{I}_{E}}=9mA,\,{{I}_{B}}=-1mA\]
  done clear
  B)
   \[{{I}_{E}}=-1mA,\text{ }{{I}_{B}}=9mA\]
  done clear
  C)
   \[{{I}_{E}}=1\text{ }mA,\text{ }{{I}_{B}}=11mA\]
  done clear
  D)
   \[{{I}_{E}}=11mA,\text{ }{{I}_{B}}=1mA\]
  done clear
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• question_answer50) The energy of hydrogen atom in its ground state is -13.6 eV. The energy of the level corresponding to the quantum number n is equal 5 is:
  A)
  -5.40 eV
  done clear
  B)
  -2.72 eV
  done clear
  C)
   -0.85 eV
  done clear
  D)
   -0.54 eV
  done clear
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• question_answer51) Which of the following relation is correct in magnetism?
  A)
  \[{{V}^{2}}=\text{ }I+H\]
  done clear
  B)
   \[V={{I}^{2}}+{{H}^{2}}\]
  done clear
  C)
   \[I=V+H\]
  done clear
  D)
   \[{{I}^{2}}={{V}^{2}}+{{H}^{2}}\]
  done clear
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• question_answer52) Magnetic fields at two points on the axis of a circular coil at a distance of 0.05 m and 0.2 m from the centre are in the ratio 8:1. The radius of the coil is:
  A)
   1.0 m
  done clear
  B)
   0.1 m
  done clear
  C)
   0.15 m
  done clear
  D)
   0.2 m
  done clear
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• question_answer53) A balloon starts rising from the ground with an acceleration of \[1.25\text{ }m/{{s}^{2}}\]after 8s, a stone is released from the balloon. The stone will\[(g=10m/{{s}^{2}})\]:
  A)
   reach the ground in 4 second
  done clear
  B)
   begin to move down after being released
  done clear
  C)
   have a displacement of 50 m
  done clear
  D)
   cover a distance of 40 m in reaching the ground
  done clear
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• question_answer54) If a white light is used in Youngs double slit experiments then a very large number of colored fringes can be seen:
  A)
   with first order violet fringes being closer to the central white fringes
  done clear
  B)
   first order red fringes being closer to the central white fringes
  done clear
  C)
   with a central white fringe
  done clear
  D)
   with a central black fringe
  done clear
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• question_answer55) In the experiment of diffraction at a single slit, if the slit width is decreased, the width of the central maximum:
  A)
   decreases in Fresnels diffraction but increases in Fraun hofer diffraction
  done clear
  B)
   increases in Fresnels diffraction but decreases in Fraun hofer diffraction
  done clear
  C)
    decreases in both Fresnel and Fraun hofer diffraction
  done clear
  D)
   increases in both Fresnel and Fraun hofer diffraction
  done clear
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• question_answer56) A satellite with kinetic energy \[{{E}_{k}}\]is revolving round the earth in a circular orbit. How much more kinetic energy should be given to it so that it may just escape into outer space.
  A)
   \[{{E}_{k}}\]
  done clear
  B)
   \[2{{E}_{k}}\]
  done clear
  C)
    \[\frac{1}{2}{{E}_{k}}\]
  done clear
  D)
  \[3{{E}_{k}}\]
  done clear
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• question_answer57) The ionisation potential of hydrogen is 13.6 eV. Then the energy released when an electron jumps from n = 3 to n = 2 orbit, is:
  A)
   2.89 eV       
  done clear
  B)
   1.89 eV
  done clear
  C)
   3.89 eV
  done clear
  D)
   4.89 eV
  done clear
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• question_answer58) In an X-ray tube electrons bombarding the target produce X-rays of minimum wavelength 1 A. What must be the energy of bombarding electrons:
  A)
   13375 eV
  done clear
  B)
   12375 eV
  done clear
  C)
   14375 eV
  done clear
  D)
   15375 eV
  done clear
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• question_answer59) Two progressive wave are represented by the following equations: \[y1=5\sin 2\pi \left( 10t-0.1x \right)\] \[y2=10\sin 2\pi \left( 20t-0.2x \right)\] The ratio of intensities will be:
  A)
   1 : 16
  done clear
  B)
   1 : 4
  done clear
  C)
   1 : 2
  done clear
  D)
   1 : 1
  done clear
  View Answer play_arrow

• question_answer60) The frequency of a tuning fork is 384 per second and velocity of sound in air is 352 m/s. How far the sound has traversed while fork completes 36 vibration?
  A)
   3 m
  done clear
  B)
   13 m
  done clear
  C)
   23 m
  done clear
  D)
   33 m
  done clear
  View Answer play_arrow

• question_answer61) At what temperature will the RMS velocity of \[S{{O}_{2}}\] be the same as that of \[{{O}_{2}}\] at 303 K?
  A)
   \[403K\]       
  done clear
  B)
   \[303K\]
  done clear
  C)
   \[606\text{ }K\]  
  done clear
  D)
   \[273K\]
  done clear
  View Answer play_arrow

• question_answer62) Phenol is treated with .bromine water and shaken well. The white precipitate formed during the process is:
  A)
   m-bromophenol
  done clear
  B)
   2, 4, 6 tribromophenol
  done clear
  C)
   2-4 dibromophenol
  done clear
  D)
   a mixture of o-and p-bromophenols
  done clear
  View Answer play_arrow

• question_answer63) In thermite process the metal-used as reducing agent is:
  A)
   nickel        
  done clear
  B)
   zinc
  done clear
  C)
   sodium       
  done clear
  D)
   aluminium
  done clear
  View Answer play_arrow

• question_answer64) Which of the following compounds on boiling with alkaline \[KMn{{O}_{4}}\] and subsequent acidification will not give benzoic acid?
  A)
   benzyl alcohol
  done clear
  B)
   acetophenone
  done clear
  C)
   anisole
  done clear
  D)
   toluene
  done clear
  View Answer play_arrow

• question_answer65) The base present in DNA, but not in RNA is:
  A)
   guanine      
  done clear
  B)
   adenine
  done clear
  C)
   uracil        
  done clear
  D)
   thymine
  done clear
  View Answer play_arrow

• question_answer66) The   total   number   of   lattice arrangements  in  different  crystal system is:
  A)
   \[7\]              
  done clear
  B)
   \[3\]
  done clear
  C)
  \[8\]              
  done clear
  D)
   \[14\]
  done clear
  View Answer play_arrow

• question_answer67) The conversion of A to B follows second order kinetics. Doubling the concentration of A will increase the rate of formation of B by a factor of:
  A)
   \[4\]              
  done clear
  B)
   \[2\]
  done clear
  C)
   \[1/4\]          
  done clear
  D)
   \[1/2\]
  done clear
  View Answer play_arrow

• question_answer68) \[R-COO{{R}^{1}}+{{H}_{2}}O\xrightarrow{HCl}\] \[R-COOH+{{R}^{1}}OH.\] What type of reaction is this?
  A)
   second order
  done clear
  B)
   unimolecular
  done clear
  C)
   pseudo-unimolecular
  done clear
  D)
   third order
  done clear
  View Answer play_arrow

• question_answer69) The unit of quantity of electricity is:
  A)
   ohm        
  done clear
  B)
   ampere
  done clear
  C)
   coulomb     
  done clear
  D)
   volt
  done clear
  View Answer play_arrow

• question_answer70) \[_{p}{{K}_{a}}\] values of two acids A and B are 4 and 5. The strengths of these two acids are related as:
  A)
   acid A is 10 times stronger than acid B
  done clear
  B)
   strength of acid A : strengths of acid \[B=4:5\]
  done clear
  C)
   the strengths of the two acids can not be compared
  done clear
  D)
   acid B is 10 times stronger than acid A
  done clear
  View Answer play_arrow

• question_answer71) \[10\text{ }d{{m}^{3}}\]of \[{{N}_{2}}\]gas and \[10\text{ }d{{m}^{3}}\]of gas X at the same temperature and pressure contain the same number of molecules. The gas X is:
  A)
   \[NO\]          
  done clear
  B)
   \[{{H}_{2}}\]
  done clear
  C)
   \[C{{O}_{2}}\] or \[Co\]
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer72) When the electrons of hydrogen atoms return to L shell from shells of higher energy, we get a series of lines in the spectrum. This series is called
  A)
   Balmer series
  done clear
  B)
   Lyman series
  done clear
  C)
   Bracket! series
  done clear
  D)
   Paschen series
  done clear
  View Answer play_arrow

• question_answer73) The alcohol obtained by the hydrolysis of oils and fats is:
  A)
   glycol         
  done clear
  B)
   glycerol
  done clear
  C)
   propanol     
  done clear
  D)
   pentanol
  done clear
  View Answer play_arrow

• question_answer74) Which of the following alloys is used for making magnets for hearing aids?
  A)
   alnico
  done clear
  B)
   german silver
  done clear
  C)
   invar
  done clear
  D)
   monel metal
  done clear
  View Answer play_arrow

• question_answer75) One \[d{{m}^{3}}\]of 2M ethanoic acid is mixed with one \[d{{m}^{3}}\] of 3M ethanol to form an ester \[C{{H}_{3}}COOH+{{C}_{2}}{{H}_{5}}OH\xrightarrow{{}}\] \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}+{{H}_{2}}O\] The decrease in the initial rate if each solution is diluted with an equal volume of water would be:
  A)
   2 times      
  done clear
  B)
   4 times
  done clear
  C)
   \[0.25\]times    
  done clear
  D)
   \[0.5\] times
  done clear
  View Answer play_arrow

• question_answer76) Which one of the following can be classified as a Bronstead base?
  A)
   \[NO_{3}^{-}\]         
  done clear
  B)
   \[{{H}_{3}}{{O}^{+}}\]
  done clear
  C)
   \[C{{H}_{3}}COOH\]   
  done clear
  D)
   \[NH_{4}^{+}\]
  done clear
  View Answer play_arrow

• question_answer77) pH of a solution produced when an aqueous solution of pH 6 is mixed with an equal volume of an aqueous solution of pH 3 is about:
  A)
   \[3.3\]            
  done clear
  B)
   \[4.3\]
  done clear
  C)
   \[4.0\]            
  done clear
  D)
   \[4.5\]
  done clear
  View Answer play_arrow

• question_answer78) Aluminium displaces hydrogen from acids, but copper does not. A Galvanic cell prepared by combining \[Cu/C{{u}^{2+}}\]and \[Al/A{{l}^{3+}}\] has an emf of \[2.0V\]at 298 K. If the potential of copper electrode is \[+0.34V\], that of aluminium electrode is:
  A)
   \[-2.3V\]
  done clear
  B)
   \[+2.34V\]
  done clear
  C)
   \[-1.66V\]
  done clear
  D)
   \[+1.66V\]
  done clear
  View Answer play_arrow

• question_answer79) \[1.5\] moles of \[{{O}_{2}}\] combine with \[Mg\] to form the oxide \[MgO\]. The mass of \[Mg\]that has combined is \[(Mg=24)\]:
  A)
   \[72g\]         
  done clear
  B)
   \[36g\]
  done clear
  C)
   \[48g\]          
  done clear
  D)
   \[24g\]
  done clear
  View Answer play_arrow

• question_answer80) How much of \[NaOH\] is required to neutralise  \[1500c{{m}^{3}}\] of\[0.1NHC1\]? \[(Na=23)\]:
  A)
   \[60g\]          
  done clear
  B)
   \[6g\]
  done clear
  C)
   \[4g\]            
  done clear
  D)
   \[40g\]
  done clear
  View Answer play_arrow

• question_answer81) The  boiling  point  of  water is exceptionally high because:
  A)
   water molecule is not linear
  done clear
  B)
   water molecule is linear
  done clear
  C)
   there is covalent bond between H and O
  done clear
  D)
   water molecules associate due to hydrogen bonding
  done clear
  View Answer play_arrow

• question_answer82) \[{{P}_{4}}{{O}_{10}}\]is not used with to dry \[N{{H}_{3}}\] gas because:
  A)
   \[{{P}_{4}}{{O}_{10}}\]is basic and \[N{{H}_{3}}\] is acidic
  done clear
  B)
   \[{{P}_{4}}{{O}_{10}}\] is acidic and \[N{{H}_{3}}\] is basic
  done clear
  C)
   \[{{P}_{4}}{{O}_{10}}\] is not a drying agent
  done clear
  D)
   \[{{P}_{4}}{{O}_{10}}\] reacts with moisture in \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer83) A radioactive isotope has a half-life of 10 years. What percentage of the original amount of it remain after 20 years:
  A)
   \[0\]             
  done clear
  B)
   \[12.5\]
  done clear
  C)
   \[8\]              
  done clear
  D)
   \[25\]
  done clear
  View Answer play_arrow

• question_answer84) 75% of a first order reaction is completed in 30 minutes. What is the time required for 93-75% of the reaction (in minutes)?
  A)
   \[45\]            
  done clear
  B)
   \[120\]
  done clear
  C)
   \[90\]            
  done clear
  D)
   \[60\]
  done clear
  View Answer play_arrow

• question_answer85) Excess of \[N{{a}^{+}}\] ions in our system causes:
  A)
   high B.P.      
  done clear
  B)
   low B.P.
  done clear
  C)
   diabetes      
  done clear
  D)
   anaemia
  done clear
  View Answer play_arrow

• question_answer86) Alcoholic potash is used to bring about:
  A)
   dehydrogenation
  done clear
  B)
   dehydration
  done clear
  C)
   dehydrohalogenation
  done clear
  D)
   dehalogenation
  done clear
  View Answer play_arrow

• question_answer87) Which of the following organic compounds answers both iodoform test and Fehlings test?
  A)
   methanal
  done clear
  B)
   ethanol
  done clear
  C)
   propane
  done clear
  D)
   ethanol
  done clear
  View Answer play_arrow

• question_answer88) Gold sol is an electronegative sol. The amount of electrolyte required to coagulate a certain amount of gold sol is minimum in the case of:
  A)
   \[CaC{{l}_{2}}\]       
  done clear
  B)
   \[NaCl\]
  done clear
  C)
   \[AlC{{l}_{3}}\]        
  done clear
  D)
   \[N{{a}_{2}}S{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer89) The  oxidation  number  and  the electronic configuration of sulphur in \[{{H}_{2}}S{{O}_{4}}\] is:
  A)
   \[+4;1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}\]
  done clear
  B)
   \[+2;1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{2}}\]
  done clear
  C)
   \[+3;1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{1}}\]
  done clear
  D)
   \[+6;1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}\]
  done clear
  View Answer play_arrow

• question_answer90) The mass of  \[112c{{m}^{3}}\]of \[C{{H}_{4}}\] gas at STP is:
  A)
   \[0.16\text{ }g\]       
  done clear
  B)
   \[0.8\text{ }g\]
  done clear
  C)
   \[0.08g\]         
  done clear
  D)
   \[1.6g\]
  done clear
  View Answer play_arrow

• question_answer91) The volume of water to be added to \[100c{{m}^{3}}\]of \[0.5\text{ }N\text{ }{{H}_{2}}S{{O}_{4}}\] to get decinormal concentration is:
  A)
   \[400c{{m}^{3}}\]     
  done clear
  B)
   \[500c{{m}^{3}}\]
  done clear
  C)
   \[450c{{m}^{3}}\]     
  done clear
  D)
   \[100c{{m}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer92) In which of the following equilibrium systems is the rate of the backward reaction favoured by increase of pressure?
  A)
   \[PC{{l}_{5}}\rightleftharpoons PC{{l}_{3}}+C{{l}_{2}}\]
  done clear
  B)
   \[2S{{O}_{2}}+{{O}_{2}}\rightleftharpoons 2S{{O}_{3}}\]
  done clear
  C)
   \[{{N}_{2}}+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}}\]
  done clear
  D)
   \[{{N}_{2}}+{{O}_{2}}\rightleftharpoons 2NO\]
  done clear
  View Answer play_arrow

• question_answer93) In order to decompose 9g water \[142.5\text{ }kJ\]heat is required. Hence the enthalpy of formation of water is:
  A)
   \[-142.5\text{ }kJ\]
  done clear
  B)
   \[+142.5\text{ }kJ\]
  done clear
  C)
   \[-285kJ\]      
  done clear
  D)
   \[+285kJ\]
  done clear
  View Answer play_arrow

• question_answer94) A quantity of \[PC{{l}_{5}}\] was heated in a 10 \[d{{m}^{3}}\]vessel at \[{{250}^{o}}C\] \[PC{{l}_{5}}(g)\rightleftharpoons PC{{l}_{3}}(g)+C{{l}_{2}}(g)\] At equilibrium the vessel contains \[0.1\]mole of \[PC{{l}_{5}}\] and \[0.2\] mole of \[C{{l}_{2}}\]. The equilibrium constant of the reaction is:
  A)
   \[0.05\]          
  done clear
  B)
   \[0.02\]
  done clear
  C)
   \[0.025\]       
  done clear
  D)
   \[0.04\]
  done clear
  View Answer play_arrow

• question_answer95) Which among the following species has the highest ionisation potential?
  A)
   \[B\]            
  done clear
  B)
   \[Li\]
  done clear
  C)
   \[Ne\]           
  done clear
  D)
   \[F\]
  done clear
  View Answer play_arrow

• question_answer96) Which one of the following metallic hydroxides does not dissolve in sodium hydroxide solution?
  A)
   \[Zn{{(OH)}_{2}}\]     
  done clear
  B)
   \[Al{{(OH)}_{3}}\]
  done clear
  C)
   \[Fe{{(OH)}_{3}}\]      
  done clear
  D)
   \[Pb{{(OH)}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer97) IUPAC name of \[{{K}_{3}}Fe{{(CN)}_{6}}\] is:
  A)
   potassium ferricyanide
  done clear
  B)
   hexacyano ferrate (III).
  done clear
  C)
   potassium hexacyano ferrate (III)
  done clear
  D)
   potassium hexacyano ferrate (II)
  done clear
  View Answer play_arrow

• question_answer98) Unpleasant smell of carbylamine is obtained   when   chloroform   and alcoholic \[KOH\] are heated with:
  A)
   any aliphatic amine
  done clear
  B)
   any amine
  done clear
  C)
   any primary amine
  done clear
  D)
   any aromatic amine
  done clear
  View Answer play_arrow

• question_answer99) Which of the following is an aldohexose?
  A)
   cellulose      
  done clear
  B)
   sucrose
  done clear
  C)
   glucose       
  done clear
  D)
   raffinose
  done clear
  View Answer play_arrow

• question_answer100) When a mixture of calcium acetate and calcium formate is dry distilled, the product formed as:
  A)
   ethanal      
  done clear
  B)
   butanone
  done clear
  C)
   methanal     
  done clear
  D)
   acetophenone
  done clear
  View Answer play_arrow

• question_answer101) The test used for identifying peptide linkage in proteins is:
  A)
   Borsches test
  done clear
  B)
   Molischs test
  done clear
  C)
   Ninhydrin test
  done clear
  D)
   Biuret test
  done clear
  View Answer play_arrow

• question_answer102) Which of the following is not used to distinguish ethene from ethane?
  A)
   iodine in \[CC{{l}_{4}}\]
  done clear
  B)
   bromine in \[CC{{l}_{4}}\]
  done clear
  C)
   alkaline \[KMn{{O}_{4}}\]
  done clear
  D)
   ammonical \[C{{u}_{2}}C{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer103) To get a n-type doped semiconductor, impurity to be added to silicon should have the following number of valence electrons :
  A)
   \[1\]              
  done clear
  B)
   \[3\]
  done clear
  C)
   \[5\]              
  done clear
  D)
   \[2\]
  done clear
  View Answer play_arrow

• question_answer104) For the equilibrium \[{{N}_{2}}(g)+3{{H}_{2}}(g)\rightleftharpoons 2N{{H}_{3}}(g)\] The equilibrium constant, \[{{K}_{p}}\] is equal to:
  A)
   \[{{K}_{c}}={{(RT)}^{2}}\]
  done clear
  B)
   \[{{K}_{c}}(RT)\]
  done clear
  C)
   \[\frac{{{K}_{c}}}{{{(RT)}^{2}}}\]
  done clear
  D)
   \[{{K}_{c}}\]
  done clear
  View Answer play_arrow

• question_answer105) 5 moles of \[S{{O}_{2}}\] and 5 moles of \[{{O}_{2}}\] are allowed to react to form \[S{{O}_{3}}\] in a closed vessel. At the equilibrium stage 60% of \[S{{O}_{2}}\] is used up. The total number of moles of \[S{{O}_{2}},{{O}_{2}}\] and \[S{{O}_{3}}\] in the vessel now is:
  A)
   \[10.0\]           
  done clear
  B)
   \[8.5\]
  done clear
  C)
   \[10.5\]       
  done clear
  D)
   \[3.9\]
  done clear
  View Answer play_arrow

• question_answer106) For a given reaction \[{{t}_{1/2}}=\frac{1}{Ka}\]The order of the reaction is:
  A)
   \[1\]              
  done clear
  B)
   \[0\]
  done clear
  C)
   \[3\]              
  done clear
  D)
   \[2\]
  done clear
  View Answer play_arrow

• question_answer107) In the case of small cuts, bleeding is stopped by applying potash alum. Here alum acts as:
  A)
   fungicide
  done clear
  B)
   disinfectant
  done clear
  C)
   germicide
  done clear
  D)
   coagulating agent
  done clear
  View Answer play_arrow

• question_answer108) For the reaction \[{{H}_{2}}O(s)\rightleftharpoons {{H}_{2}}O(l)\] at \[{{0}^{o}}C\]and normal pressure:
  A)
   \[\Delta H>T\Delta S\]
  done clear
  B)
   \[\Delta H=T\Delta S\]
  done clear
  C)
   \[\Delta H=\Delta G\]
  done clear
  D)
   \[\Delta H<T\Delta S\]
  done clear
  View Answer play_arrow

• question_answer109) When salicylic acid is distilled with zinc dust, the product obtained is :
  A)
   zinc salicylate
  done clear
  B)
   salicylaldehyde
  done clear
  C)
   phenol      
  done clear
  D)
   benzoic acid
  done clear
  View Answer play_arrow

• question_answer110) The percentage of \[{{N}_{2}}\] in urea is about:
  A)
   \[28\]          
  done clear
  B)
   \[18\]
  done clear
  C)
   \[85\]           
  done clear
  D)
   \[46\]
  done clear
  View Answer play_arrow

• question_answer111) On heating ethanol with excess of cone. \[{{H}_{2}}S{{O}_{4}}\] at\[{{170}^{o}}C\], the product obtained is:
  A)
   ethene       
  done clear
  B)
   ethoxy ethane
  done clear
  C)
   ethyne      
  done clear
  D)
   ethane
  done clear
  View Answer play_arrow

• question_answer112) To calculate the amount of work done in joules during reversible isothermal expansion of an ideal gas, the volume must be expressed in:
  A)
   \[d{{m}^{3}}\]only     
  done clear
  B)
   \[{{m}^{3}}\]  only
  done clear
  C)
   any unit     
  done clear
  D)
   \[c{{m}^{3}}\] unit
  done clear
  View Answer play_arrow

• question_answer113) The quantity of electricity required to liberate \[112c{{m}^{3}}\]of hydrogen at STP from acidified water is:
  A)
   965 Coulombs
  done clear
  B)
   1 Faraday
  done clear
  C)
   0.1 Faraday  
  done clear
  D)
   96500 Coulombs
  done clear
  View Answer play_arrow

• question_answer114) Hydrogen ion concentration of an aqueous solution is \[1\times {{10}^{-4}}M\]. The solution is diluted with equal volume of water. Hydroxyl ion concentration of the resultant solution in terms of mol \[d{{m}^{-3}}\] is:
  A)
   \[1\times {{10}^{-8}}\]
  done clear
  B)
   \[1\times {{10}^{-6}}\]
  done clear
  C)
   \[2\times {{10}^{-10}}\]    
  done clear
  D)
   \[0.5\times {{10}^{-10}}\]
  done clear
  View Answer play_arrow

• question_answer115) The shape of cup ammonium ion is:
  A)
   trigonal      
  done clear
  B)
   tetrahedral
  done clear
  C)
   octahedral    
  done clear
  D)
   square planar
  done clear
  View Answer play_arrow

• question_answer116) The  enthalpy of combustion of \[{{C}_{6}}{{H}_{6}}(l)\]is \[-3250kJ\]. When \[0.39g\]of benzene is burnt in excess of oxygen in an open vessel, the amount of heat liberated is:
  A)
   \[16.25J\]
  done clear
  B)
   \[16.25kJ\]
  done clear
  C)
   \[32.5J\]
  done clear
  D)
   \[32.5kJ\]
  done clear
  View Answer play_arrow

• question_answer117) In an adiabatic expansion of an ideal gas:
  A)
   \[W=-\Delta E\]
  done clear
  B)
   \[W=\Delta E\]
  done clear
  C)
   \[\Delta E=0\]
  done clear
  D)
   \[W=0\]
  done clear
  View Answer play_arrow

• question_answer118) The solubility product of a binary weak electrolyte is \[4\times {{10}^{-10}}\]at\[298K\]. Its solubility in  \[mol\text{ }d{{m}^{-3}}\]at the same temperature is:
  A)
   \[4\times {{10}^{-5}}\]
  done clear
  B)
   \[2\times {{10}^{-5}}\]
  done clear
  C)
   \[8\times {{10}^{-10}}\]
  done clear
  D)
   \[16\times {{10}^{-20}}\]
  done clear
  View Answer play_arrow

• question_answer119) Propane is the product obtained by dehydrogenation of:
  A)
   2-propanol   
  done clear
  B)
   1-propanol
  done clear
  C)
   propanal     
  done clear
  D)
   n-propyl alcohol
  done clear
  View Answer play_arrow

• question_answer120) To get DDT chlorobenzene has to react with the following compound in the pressure of concentrated sulphuric acid :
  A)
   trichloro ethane
  done clear
  B)
   dichloro acetone
  done clear
  C)
   dichloro acetaldehyde
  done clear
  D)
   trichloro acetaldehyde
  done clear
  View Answer play_arrow

• question_answer121) Vaccination against small pox was developed by:
  A)
   Louis Pasteur
  done clear
  B)
   Edward Jenner
  done clear
  C)
   Robert Koch
  done clear
  D)
   Alexander Flemming
  done clear
  View Answer play_arrow

• question_answer122) The value of human diastolic blood pressure is:
  A)
   120-80 =40 mm. Hg
  done clear
  B)
   120 mm. Hg
  done clear
  C)
   80 mm. Hg
  done clear
  D)
   128/80 mm. Hg
  done clear
  View Answer play_arrow

• question_answer123) Balance theory of sex determination holds good for:
  A)
   Allium cepa
  done clear
  B)
   Drosophila
  done clear
  C)
   Humans
  done clear
  D)
   Grasshoppers
  done clear
  View Answer play_arrow

• question_answer124) The plants respond to photo-periods due to the presence of:
  A)
   Phytochromes
  done clear
  B)
   Stomata
  done clear
  C)
   Enzymes
  done clear
  D)
   Phytohormones
  done clear
  View Answer play_arrow

• question_answer125) Identify the edible fresh-water telesots:
  A)
   Sharks
  done clear
  B)
   Rays and Skates
  done clear
  C)
   Hilsa ilisha
  done clear
  D)
   Catia catia
  done clear
  View Answer play_arrow

• question_answer126) Plasmids occur in:
  A)
   viruses
  done clear
  B)
   chromosomes
  done clear
  C)
   bacteria
  done clear
  D)
   chloroplasts
  done clear
  View Answer play_arrow

• question_answer127) Match the names of antibiotics listed under Column I with their source given under Column II; choose the correct combination .of alphabets of the two columns:

  	Column-I (Antibiotics)		Column-II (Source)
  A	Neomycin	p	Streptomyces fradiae
  B	Terramycin	q	Penicillin notatum
  C	Viridin	r	Streptomyces rimosus
  D	Penicillium	s	Gliocladium wrens

  A)
   A = r, B = p, C = s, D = q
  done clear
  B)
   A = r, B = s, C = p, D = q
  done clear
  C)
   A = p, B = r, C = s, D = q
  done clear
  D)
   A = s, B = p, C = r, D = q
  done clear
  View Answer play_arrow

• question_answer128) The bond formed between the first phosphate group and adenosine in ATP is:
  A)
   nitro-phosphate bond
  done clear
  B)
   adeno-phosphate bond
  done clear
  C)
   phosphoester bond
  done clear
  D)
   phosphoanhydride bond
  done clear
  View Answer play_arrow

• question_answer129) The Protists have:
  A)
   gene containing nucleo-proteins condensed together in loose mass
  done clear
  B)
   nucleo-protein in direct contact with the nest of the cell substance
  done clear
  C)
   only tree nucleic acid aggregates
  done clear
  D)
   membrane bound nucleo-proteins lying embedded in the cytoplasm
  done clear
  View Answer play_arrow

• question_answer130) Antrum is the cavity of:
  A)
   gastrula
  done clear
  B)
   graffian follicle
  done clear
  C)
   ovary
  done clear
  D)
   blastula
  done clear
  View Answer play_arrow

• question_answer131) Which of the following statements is wrong?
  A)
   Endospores are produced in pteridophyta
  done clear
  B)
   Naked   seeds   are   seen   in gymnosperms
  done clear
  C)
   Capsule is present in the sporophyte of bryophyta
  done clear
  D)
   Basidiocarp is the fruiting body of fungus
  done clear
  View Answer play_arrow

• question_answer132) The pioneers in the field of organic evolution are:
  A)
   Darwin, Hugo de Vries, Lamarck, Huxley
  done clear
  B)
   Karl Landsteiner, Hugo de Vries, Malthus, Darwin
  done clear
  C)
   Lamarck, Karl Landsteiner, Malthus, De Vries
  done clear
  D)
   Darwin, Lamarck, Karl Landsteiner, De Vries
  done clear
  View Answer play_arrow

• question_answer133) This one is the characteristic of epithelial tissues:
  A)
   these cells never produce glands.
  done clear
  B)
   the cells have a rapid rate of cell division
  done clear
  C)
   tissues are highly vascularised
  done clear
  D)
   large intercellular spaces are seen between the cells
  done clear
  View Answer play_arrow

• question_answer134) Great Indian Bustard sanctuary is located in:
  A)
   Rajasthan
  done clear
  B)
   Maharashtra
  done clear
  C)
   Pakistan
  done clear
  D)
   Madhya Pradesh
  done clear
  View Answer play_arrow

• question_answer135) The result of ozone hole is:
  A)
   acid rain
  done clear
  B)
   global warming
  done clear
  C)
   the UV radiations reach the earth
  done clear
  D)
   green-house effect
  done clear
  View Answer play_arrow

• question_answer136) This is not cells of areolar tissue:
  A)
   Macrophages
  done clear
  B)
   Schwann cell
  done clear
  C)
   Plasma cell
  done clear
  D)
   Adipose cell
  done clear
  View Answer play_arrow

• question_answer137) The pH of stomach range between:
  A)
   7.1 - 8-2
  done clear
  B)
   7-6 - 8-6
  done clear
  C)
   1-5-2-0
  done clear
  D)
   6.8-7-2
  done clear
  View Answer play_arrow

• question_answer138) Match the names of the experiments listed under Column I with the aim of the experiment given under Column II; choose the answer which gives the correct combination of the alphabets:

  	Column-I (Experiment)		Column-II (Aim)
  A	Gridling experiment	P	Ascent of sap
  B	Cobalt   chloride paper method	q	Transpiration
  C	Crescograph	r	Unequal transpiration on leaf surfaces
  D	Bell jar experiment	s	Translocation

  A)
   A = s, B = r, C = p, D = q
  done clear
  B)
   A = r, B = p, C = s, D = q
  done clear
  C)
   A = q, B = p, C = s, D = r
  done clear
  D)
   A = s, B = p, C = q, D = r
  done clear
  View Answer play_arrow

• question_answer139) Number of endangered species of angiosperms in India is:
  A)
   15,000
  done clear
  B)
   500
  done clear
  C)
   3,000
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer140) Transduction in bacteria is mediated by:
  A)
   Cosmids
  done clear
  B)
   F - factors
  done clear
  C)
   Plasmid vectors
  done clear
  D)
   Phage vectors
  done clear
  View Answer play_arrow

• question_answer141) Match the common names of diseases listed under Column I unit their medical terms listed under Column II; choose the answer which gives the correct combination of the alphabets of the two columns:

  	Column-I (Common names)		Column-II (Medical terms)
  A	Blood clotting in small capillaries	p	Rhinitis
  B	Value defects	q	Stenosis
  C	Hay fever	r	Parkinsons disease
  D	Paralysis	s	Coronany thrombosis

  A)
   A = s, B = q, C = p, D = r
  done clear
  B)
   A = r, B = s, C = q, D = p
  done clear
  C)
   A = q, B = s, C = r, D = p
  done clear
  D)
   A = s, B = p, C = r, D = q
  done clear
  View Answer play_arrow

• question_answer142) The cell wall of bacteria is composed of:
  A)
   murein
  done clear
  B)
   chirm
  done clear
  C)
   cellulose
  done clear
  D)
   suberin
  done clear
  View Answer play_arrow

• question_answer143) The phenomenon, in which an allele of one gene suppresses the activity of an allele of another gene, is known as:
  A)
   Suppression
  done clear
  B)
   Inactivation
  done clear
  C)
   Epistasis
  done clear
  D)
   Dominance
  done clear
  View Answer play_arrow

• question_answer144) Which of the following is the aim of Mohls half-leaf experiment?
  A)
   To show that carbon-dioxide is produced    during    anaerobic reactions
  done clear
  B)
   To show that carbon-dioxide is produced during aerobic reactions
  done clear
  C)
   To show the importance of carbon-dioxide for photosynthesis
  done clear
  D)
   To show chlorophyll is necessary for photosynthesis
  done clear
  View Answer play_arrow

• question_answer145) This is not produced by E. coli in the lactose rnedium:
  A)
   lactose dehydrogenase
  done clear
  B)
   thiogalactoside transacetylase
  done clear
  C)
   \[\beta \] -galactosidase
  done clear
  D)
   lactose permease
  done clear
  View Answer play_arrow

• question_answer146) Match the locomotory organs given under Column I with the phylum in which they are seen, listed under Column II; choose the answer which gives the correct combination of the alphabets of the two columns:

  	Column-I (Locomotory organs)		Column-II (Phylum)
  A	Pseudopdia	p	Mollusca
  B	Parapodia	q	Chondriehthyes (Pisces)
  C	Muscular foot	r	Protozoa
  D	Fins	s	Annelida

  A)
   A = r, B = p, C = s, D = q
  done clear
  B)
   A = p, B = r, C = s, D = q
  done clear
  C)
   A = s, B = r, C = q, D = p
  done clear
  D)
   A = r, B = s, C = p, D = q
  done clear
  View Answer play_arrow

• question_answer147) The larve of Bombyx mori is:
  A)
   cocon
  done clear
  B)
   nymph
  done clear
  C)
   caterpillar
  done clear
  D)
   trochophor
  done clear
  View Answer play_arrow

• question_answer148) The first stable intermediate product of photosynthesis in C4 plant is:
  A)
   Phospho- glyceric acid
  done clear
  B)
   Ribulose 1, 5-biphosphate
  done clear
  C)
   PGAL
  done clear
  D)
   Oxaloacetate
  done clear
  View Answer play_arrow

• question_answer149) The lytic enzymes released by sperm is:
  A)
   acrosome
  done clear
  B)
   ligase
  done clear
  C)
   androgamone
  done clear
  D)
   hyaluronidase
  done clear
  View Answer play_arrow

• question_answer150) An example for the enucleated living plant cell is:
  A)
  xylem parenchyma
  done clear
  B)
   RBCs
  done clear
  C)
   sieve tubes of phloem
  done clear
  D)
   companion cells of phloem
  done clear
  View Answer play_arrow

• question_answer151) The example for polypetalous, zygomorphic corlla is:
  A)
   Ocimum
  done clear
  B)
   Crotalaria
  done clear
  C)
   Rose
  done clear
  D)
   Mustard
  done clear
  View Answer play_arrow

• question_answer152) Identify the correct sequence of taxa in Linnaen hierarchy:
  A)
   species, genus, family, order, class
  done clear
  B)
   class, family, species, genus, order
  done clear
  C)
   species, genus, phylum, family, class
  done clear
  D)
   phylum, class, family, species, order
  done clear
  View Answer play_arrow

• question_answer153) Match the biological molecules listed under Column I with their Biological functions listed under Column II; choose the choice which gives correct combination of alphabets of the two columns:

  	Column-I (Biological molecules)		Column-II (Function)
  A	Glycogen	p	Hormone
  B	Globulin	q	Bicatalyst
  C	Steroids	r	Antibody
  D	Thrombin	s	Storage product

  A)
   A = r, B = q, C = s, D = p
  done clear
  B)
   A = s, B = q, C = p, D = r
  done clear
  C)
   A = q, B = s, C = r, D = p
  done clear
  D)
   A = s, B = r, C = p, D = q
  done clear
  View Answer play_arrow

• question_answer154) This one is a viral disease in silk worm:
  A)
   Flacherie
  done clear
  B)
   Grasserie
  done clear
  C)
   Muscardine
  done clear
  D)
   Pebrine
  done clear
  View Answer play_arrow

• question_answer155) In the diagram of the portion of the TS of Helianthns leaf passing through the midrib given below, certain parts have been indicated by alphabets, choose the answer in which these alphabets have been correctly matched with the parts which they indicate:
  A)
  A = Epidermis, B = Spongy parenchyma, C = Palisade parenchyma, D = Stomata, E = Guard cells, F = Phloem.
  done clear
  B)
    A = Epidermis, B = Palisade parenchyma, C = Spongy parenchyma, D = Sub- stomatal cavity, E = Guard cells, F = Phloem, G = Metaxylem, H = Protoxylem.
  done clear
  C)
    A = Epidermis, B = Palisade parenchyma, C = Spongy parenchyma, D = Stomata, E = Guard cells, F = Endodermis, G = Xylem, H = Phloem.
  done clear
  D)
    A = Epidermis, B = Palisade parenchyma, C = Spongy parenchyma, D = Stomata, E = Guard cells.
  done clear
  View Answer play_arrow

• question_answer156) This is an insectivorous plant:
  A)
   Opuntia
  done clear
  B)
   Eichhomia
  done clear
  C)
   Utriciilaria
  done clear
  D)
   Crotalaria
  done clear
  View Answer play_arrow

• question_answer157) Corpus callosum is seen in:
  A)
   the pituitary
  done clear
  B)
   the ovary
  done clear
  C)
   the brain
  done clear
  D)
   the corpus luteum
  done clear
  View Answer play_arrow

• question_answer158) Anemophily means:
  A)
   pollination by birds
  done clear
  B)
   pollination by wind
  done clear
  C)
   animal loving plants
  done clear
  D)
   pollination by animals
  done clear
  View Answer play_arrow

• question_answer159) The order Insectivora comes under:
  A)
   class Mammalia
  done clear
  B)
   class Insecta
  done clear
  C)
   phylum Echinodermata
  done clear
  D)
   phylum Arthropoda
  done clear
  View Answer play_arrow

• question_answer160) An example of obligate anaerobe is:
  A)
   Aspergillus sp.
  done clear
  B)
   Clostridium
  done clear
  C)
   Penicillium notatum
  done clear
  D)
   HIV
  done clear
  View Answer play_arrow

• question_answer161) Transfer of genes from one gene pool to another is called:
  A)
   Speciation
  done clear
  B)
   Genetic drift
  done clear
  C)
   Gene flow
  done clear
  D)
   Mutation
  done clear
  View Answer play_arrow

• question_answer162) Match the names of glands listed under Column I with the location given under Column II; choose the answer, which gives the correct combination of the alphabets of the two columns:

  	Column-I (Glands)		Column-II (Location)
  A	Crypts of liberkuhn	p	Loop of duodenum
  B	Pancreas	q	Stomach
  C	Adrenal glands	r	Intestine
  D	Gastric glands	s	Kidney

  A)
   A = r, B = p, C = q, D = s
  done clear
  B)
   A = r, B = p, C = s, D = q
  done clear
  C)
   A = q, B = s, C = r, D = p
  done clear
  D)
   A = p, B = r, C = s, D = q
  done clear
  View Answer play_arrow

• question_answer163) This is a method of birth-control:
  A)
   IUDs
  done clear
  B)
   GIFT
  done clear
  C)
   HTF
  done clear
  D)
   IVE- ET
  done clear
  View Answer play_arrow

• question_answer164) Swan-necked flask experiment was done by:
  A)
   Aristotle
  done clear
  B)
   Francisco Redi
  done clear
  C)
   Louis Pasteur
  done clear
  D)
   Robert Koch
  done clear
  View Answer play_arrow

• question_answer165) In the diagram of the section of bone tissue given below, certain parts have been indicatd by alphabets, choose the answer in which these alphabets have been correctly matched with the parts which they indicate.
  A)
  A = Interstitial lamellae, B = Laemae with osteocytes, C = Blood vessels, D = Nerve, E = Canaliculi, F = Haversian canal, G = Lamellae.
  done clear
  B)
  A = Interstitial lamellae, B = Osteocytes in the laemae, C = Blood vessels, D = Nerve, E = Lamellae,
  done clear
  C)
  A = Interstitial lamellae, B = Osteocytes, C = Nerve, D = Blood vessels, E = Canaliculi, F = Haversian system, G = Lamellae.
  done clear
  D)
    A = Interstitial lamellae, B = Laemae with osteocytes, C = Blood vessels, D = Nerve, E = Canaliculi, F = Haversian canal, G = Lamellae.
  done clear
  View Answer play_arrow

• question_answer166) This is not an electron transferring molecule:
  A)
   Co-enzyme
  done clear
  B)
   Fe-s protein
  done clear
  C)
   ATP
  done clear
  D)
   \[NA{{D}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer167) A sudden change from. anaerobic to aerobic process is called:
  A)
   Blackmans law
  done clear
  B)
   Emersons effect
  done clear
  C)
   Chargaff rule
  done clear
  D)
   Pasteur effect
  done clear
  View Answer play_arrow

• question_answer168) This is an inverted pyramid:
  A)
   Pyramid of energy in a pond ecosystem.
  done clear
  B)
   Pyramid of numbers in a grassland ecosystem
  done clear
  C)
   Pyramid of biomass in a pond ecosystem
  done clear
  D)
   Pyramid of biomass in a grassland ecosystem
  done clear
  View Answer play_arrow

• question_answer169) Duramen is:
  A)
   periderm
  done clear
  B)
   bark
  done clear
  C)
   sapwood
  done clear
  D)
   heart wood
  done clear
  View Answer play_arrow

• question_answer170) MOET is a method of:
  A)
   fish cultivation
  done clear
  B)
   birth control in humans
  done clear
  C)
   cloning in sheep
  done clear
  D)
   hybridization in catties
  done clear
  View Answer play_arrow

• question_answer171) The spark-discharge apparatus to test chemical evolution of life was designed by:
  A)
   Oparin and Haldane
  done clear
  B)
   Urey and Miller
  done clear
  C)
   Jacob and Monad
  done clear
  D)
   Dixon and Jolly
  done clear
  View Answer play_arrow

• question_answer172) Which one of the following is not a component of Lac-Operon model?
  A)
   Promoter gene
  done clear
  B)
   Structural gene
  done clear
  C)
   Primer gene
  done clear
  D)
   Regulator gene
  done clear
  View Answer play_arrow

• question_answer173) Paurometaboly is:
  A)
   complete metabolism
  done clear
  B)
   anabolism
  done clear
  C)
   incomplete metamorphosis
  done clear
  D)
   catabolism
  done clear
  View Answer play_arrow

• question_answer174) The best milch breed in the world is:
  A)
   Chittagong
  done clear
  B)
   Deoni
  done clear
  C)
   Holsten-Friesian
  done clear
  D)
   Sindhi
  done clear
  View Answer play_arrow

• question_answer175) In the monocot root we observe:
  A)
   exodermis, endarch, tetrach closed bundles
  done clear
  B)
   conjoint, collateral, open polyarch vascular bundle
  done clear
  C)
   suberized  exodermis,  polyarch xylem, pith
  done clear
  D)
   suberized  exodermis,  casparian strip, passage cells, cambium
  done clear
  View Answer play_arrow

• question_answer176) The plant cell differs from the animal cell in:
  A)
   the presence of lysosomes
  done clear
  B)
   the presence of large vacuole
  done clear
  C)
   the absence of cellulosic cell wall
  done clear
  D)
   the absence of chloroplast
  done clear
  View Answer play_arrow

• question_answer177) The term Biocoenosis is coined by:
  A)
   Charles Darwin
  done clear
  B)
   Karl Mobius
  done clear
  C)
   Earnst Haeckel
  done clear
  D)
   E. P. Odum
  done clear
  View Answer play_arrow

• question_answer178) Epicanthus is the symptom of:
  A)
   haploidy
  done clear
  B)
   heteroploidy
  done clear
  C)
   Turners syndrome
  done clear
  D)
   Downs syndrome
  done clear
  View Answer play_arrow

• question_answer179) The possible blood groups of the off- springs of the parents with blood group 0 and AB:
  A)
   A, B and AB
  done clear
  B)
   O, A, B and AB
  done clear
  C)
   O and AB
  done clear
  D)
   A and B
  done clear
  View Answer play_arrow

• question_answer180) Match the names of branches of biology listed under Column I with the field of study given under column II; choose the answer which gives the correct combination of alphabets of the two columns:

  	Column-I (Branch of science)		Column-II (Field of study)
  A	Palynology	p	Silk worms
  B	Oncology	q	Pollens
  C	Phycology	r	Cancer
  D	Sericulture	s	Algae

  A)
   A = r, B = r, C = q, D = p
  done clear
  B)
   A = r, B = q, C = s, D = p
  done clear
  C)
   A = s, B = q, C = r, D = p
  done clear
  D)
   A = q, B = r, C = s, D = p
  done clear
  View Answer play_arrow