Solved papers for Punjab Medical Punjab - MET Solved Paper-2008

done Punjab - MET Solved Paper-2008 Total Questions - 200

  • question_answer1) If force\[(F)\], work \[(W)\] and velocity \[(V)\] are taken as fundamental quantities, then the dimensional formula of time\[(T)\]is

    A)
    \[[WFv]\]                           

    B)
    \[[WF{{v}^{-1}}]\]

    C)
    \[[{{W}^{-1}}{{F}^{-1}}v]\]          

    D)
    \[[W{{F}^{-1}}{{v}^{-1}}]\]

    View Answer play_arrow
  • question_answer2) Given two vectors \[\mathbf{\vec{A}}=-\mathbf{\hat{i}}+2\mathbf{\hat{j}}-3\mathbf{\hat{k}}\] and\[\mathbf{\vec{B}}=4\mathbf{\hat{i}}-2\mathbf{\hat{j}}+6\mathbf{\hat{k}}\]. The angle made by\[(\mathbf{\vec{A}}+\mathbf{\vec{B}})\]with \[x-\]axis is

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

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

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

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

    View Answer play_arrow
  • question_answer3) A body is thrown vertically up with certain initial velocity. The potential and kinetic energies of the body are equal at a point P in its path. If the same body is thrown with double the velocity upwards, the ratio of potential and kinetic energies of the body when it crosses the same point, is

    A)
    \[1:1\]                                  

    B)
    \[1:4\]

    C)
    \[1:7\]                                  

    D)
    \[1:8\]

    View Answer play_arrow
  • question_answer4) A body of mass \[2kg\] is thrown up vertically with kinetic energy of\[490J\]. If \[g=9.8\text{ }m/{{s}^{2}}\], the height at which the kinetic energy of the body becomes half of the original value, is

    A)
    \[50m\]                                               

    B)
    \[25m\]

    C)
    \[12.5m\]                           

    D)
    \[19.6m\]

    View Answer play_arrow
  • question_answer5) The apparent weight of a person inside a lift is \[{{w}_{1}}\] when lift moves up with a certain acceleration and is \[{{w}_{2}}\] when lift moves down with same acceleration. The weight of the person when lift moves up with constant speed is

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

    B)
    \[\frac{{{w}_{1}}-{{w}_{2}}}{2}\]

    C)
    \[2{{w}_{1}}\]                                   

    D)
    \[2{{w}_{2}}\]

    View Answer play_arrow
  • question_answer6) In the figure, pendulum bob on left side is pulled aside to a height h from its initial position. After it is released it collides with the right pendulum bob at rest, which is of same mass. After the collision the two bobs stick together and raise to a height

    A)
    \[\frac{3h}{4}\]                                

    B)
    \[\frac{2h}{3}\]

    C)
    \[\frac{h}{2}\]                                  

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

    View Answer play_arrow
  • question_answer7) A sphere of mass m moving with constant velocity\[u\], collides with another stationary sphere of same mass. If e is the coefficient of restitution, the ratio of the final velocities of the first and second spheres is

    A)
    \[\frac{1+e}{1-e}\]                                         

    B)
    \[\frac{1-e}{1+e}\]

    C)
    \[\frac{e}{1-e}\]                                              

    D)
    \[\frac{1+e}{e}\]

    View Answer play_arrow
  • question_answer8) A block of mass \[2kg\] is placed on the surface of a trolley of mass \[20kg\] which is on a smooth surface. The coefficient of friction between the block and the surface of the trolley is\[0.25\]. If a horizontal force of \[2N\] acts on the block, the acceleration of the system in \[m{{s}^{-2}}\] is\[(g=10m{{s}^{-2}})\]

    A)
    \[1.8\]                                  

    B)
    \[1.0\]

    C)
    \[0.9\]                                  

    D)
    \[0.09\]

    View Answer play_arrow
  • question_answer9) The radius of gyration of a rod of length \[L\] and mass \[M\] about an axis perpendicular to its length and passing through a point at a distance \[L/3\] from one of its ends is

    A)
    \[\frac{\sqrt{7}}{6}L\]                   

    B)
    \[\frac{{{L}^{2}}}{9}\]

    C)
    \[\frac{L}{3}\]                                   

    D)
    \[\frac{\sqrt{5}}{2}L\]

    View Answer play_arrow
  • question_answer10) A ball of mass \[0.6kg\] attached to a light inextensible string rotates in a vertical circle of radius \[0.75m\] such that it has a speed of\[5m{{s}^{-1}}\] when the string is horizontal. Tension in string when it is horizontal on other side is\[(g=10m{{s}^{-2}})\]

    A)
    \[30N\]                                

    B)
    \[26N\]

    C)
    \[20N\]                                

    D)
    \[6N\]

    View Answer play_arrow
  • question_answer11) A body of mass m is raised from the surface of the earth to a height nR (R = radius of earth). Magnitude of the change in the gravitational potential energy of the body is (\[g=\] acceleration due to gravity on the surface of earth)

    A)
    \[\left( \frac{n}{n+1} \right)mgR\]                          

    B)
    \[\left( \frac{n-1}{n} \right)mgR\]

    C)
    \[\left( \frac{mgR}{n} \right)\]                  

    D)
    \[\frac{mgR}{(n-1)}\]

    View Answer play_arrow
  • question_answer12) The displacement of a particle of mass\[3g\] executing simple harmonic motion is given by \[Y=3\,\,\sin (0.2t)\] in SI units. The kinetic energy of the particle at a point which is at a distance equal to \[\frac{1}{3}\] of its amplitude from its mean position is

    A)
    \[12\times {{10}^{3}}J\]               

    B)
    \[25\times {{10}^{-3}}J\]

    C)
    \[0.48\times {{10}^{-3}}J\]                          

    D)
    \[0.24\times {{10}^{-3}}J\]

    View Answer play_arrow
  • question_answer13) A body subjected to strain several times will not obey Hookes law due to

    A)
     yield point         

    B)
     permanent state

    C)
     elastic fatigue                  

    D)
     breaking stress

    View Answer play_arrow
  • question_answer14) A liquid drop of radius \[R\] breaks into 64 tiny drops each of radius\[r\]. If the surface tension of the liquid is \[T\], then the gain in energy is

    A)
    \[48\pi {{R}^{2}}T\]                        

    B)
    \[12\pi {{r}^{2}}T\]

    C)
    \[96\pi {{R}^{2}}T\]                        

    D)
    \[192\pi {{r}^{2}}T\]

    View Answer play_arrow
  • question_answer15) The pressure on the top surface of an aeroplane wing is \[0.8\times {{10}^{5}}\] Pa and the pressure on the bottom surface is \[0.75\times {{10}^{5}}\] Pa. If the area of each surface is\[50\,\,{{m}^{2}}\], the dynamic lift on the wing is

    A)
    \[25\times {{10}^{4}}N\]                              

    B)
    \[0.5\times {{10}^{4}}N\]

    C)
    \[5\times {{10}^{4}}N\]                

    D)
    \[0.25\times {{10}^{5}}N\]

    View Answer play_arrow
  • question_answer16) Two rods of different materials with coefficients of linear thermal expansion\[{{\alpha }_{1}},\,\,{{\alpha }_{2}}\]and Youngs moduli \[{{Y}_{1}}\] and \[{{Y}_{2}}\] respectively are fixed between two rigid walls. They are heated to have the same increase in temperature. If the rods do not bend and if\[{{\alpha }_{1}}:{{\alpha }_{2}}=2:3\], then the thermal stresses developed in the two rods will be equal when \[{{Y}_{1}}:{{Y}_{2}}\] is equal to

    A)
    \[2:3\]                                  

    B)
    \[2:5\]

    C)
    \[3:2\]                                  

    D)
    \[5:2\]

    View Answer play_arrow
  • question_answer17) What fraction of the volume of a glass flask must be filled with mercury so that the volume of the empty space may be the same at all temperatures? \[({{\alpha }_{glass}}=9\times {{10}^{-6}}/{}^\circ C,\,\,{{\gamma }_{Hg}}=18.9\times {{10}^{-5}}/{}^\circ C)\]

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

    B)
    \[\frac{1}{7}\]

    C)
    \[\frac{1}{4}\]                                   

    D)
    \[\frac{1}{5}\]

    View Answer play_arrow
  • question_answer18) For an adiabatic process, the relation between\[V\] and \[T\] is given by

    A)
    \[T{{V}^{\gamma }}=\]constant

    B)
    \[{{T}^{\gamma }}V=\]constant

    C)
    \[T{{V}^{1-\gamma }}=\]constant

    D)
    \[T{{V}^{\gamma -1}}=\]constant

    View Answer play_arrow
  • question_answer19) Consider the following two statements and choose the correct answer. (a) If heat is added to a system its temperature must always increase. (b) If positive work is done by a system in thermodynamic process, its volume must increase.

    A)
     Both (a) and (b) are correct

    B)
    (A) is correct, but (B) is wrong

    C)
     (B) is correct, but (A) is wrong

    D)
     Both (A) and (B) are wrong

    View Answer play_arrow
  • question_answer20) The power of a black body at temperature \[200K\] is\[544W\]. Its surface area is\[(\sigma =5.67\times {{10}^{-8}}W{{m}^{2}}{{K}^{-4}})\]

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

    B)
    \[6{{m}^{2}}\]

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

    D)
    \[6\times {{10}^{2}}{{m}^{2}}\]

    View Answer play_arrow
  • question_answer21) A uniform wire of linear density \[0.004kg\text{-}{{m}^{-1}}\] when stretched between two rigid supports with a tension \[3.6\times {{10}^{2}}N\] resonates with a frequency of\[420Hz\]. The next harmonic frequency with which the wire resonates is\[490Hz\]. The length of the wire in metres is

    A)
    \[1.41\]                               

    B)
    \[2.14\]

    C)
    \[2.41\]                               

    D)
    \[3.14\]

    View Answer play_arrow
  • question_answer22) To increase the frequency by\[20%\], the tension in the string vibrating on a sonometer has to be increased by

    A)
    \[44%\]                               

    B)
    \[33%\]

    C)
    \[22%\]                               

    D)
    \[11%\]

    View Answer play_arrow
  • question_answer23) In Ramsden eye-piece the focal length of each lens is\[F\]. The distance of the image formed by the objective lens from the eye lens is

    A)
    \[\frac{14F}{15}\]                                            

    B)
    \[\frac{13F}{14}\]

    C)
    \[\frac{12F}{13}\]                                            

    D)
    \[\frac{11F}{12}\]

    View Answer play_arrow
  • question_answer24) The velocities of light in two different mediums are \[2\times {{10}^{8}}m{{s}^{-1}}\] and \[2.5\times {{10}^{8}}m{{s}^{-1}}\] respectively. The critical angle for these mediums is

    A)
    \[{{\sin }^{-1}}\left( \frac{1}{5} \right)\]                

    B)
    \[{{\sin }^{-1}}\left( \frac{4}{5} \right)\]

    C)
    \[{{\sin }^{-1}}\left( \frac{1}{2} \right)\]                

    D)
    \[{{\sin }^{-1}}\left( \frac{1}{4} \right)\]

    View Answer play_arrow
  • question_answer25) A diverging meniscus lens of \[1.5\] refractive index has concave surfaces of radii \[3\] and\[4cm.\]The position of the image, if an object is placed \[12cm\] in front of the lens, is

    A)
    \[7cm\]                               

    B)
    \[-8cm\]

    C)
    \[9cm\]                               

    D)
    \[10cm\]

    View Answer play_arrow
  • question_answer26) The source is at some distance from an obstacle. Distance between obstacle and the point of observation is \[b\] and wavelength of light is\[\lambda \]. Then the average distance of nth Fresnel zone will be at a distance ... from the point of observation.

    A)
    \[\frac{bn\,\lambda }{2}\]                                          

    B)
    \[b-\frac{n\,\lambda }{2}\]

    C)
    \[b+\frac{n\,\lambda }{2}\]                        

    D)
    \[b-n\,\lambda \]

    View Answer play_arrow
  • question_answer27) A bar magnet suspended freely in a uniform magnetic field is vibrating with a time period of\[3s\]. If the field strength is increased to\[4\] times of the earlier field strength, the time period will be (in seconds)

    A)
     12                                         

    B)
     6

    C)
     1.5                                        

    D)
     0.75

    View Answer play_arrow
  • question_answer28) A bar magnet of magnetic moment \[{{M}_{1}}\] is axially cut into two equal parts. If these two pieces are arranged perpendicular to each other, the resultant magnetic moment is\[{{M}_{2}}\]. Then the value of\[{{M}_{1}}/{{M}_{2}}\]is

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

    B)
    \[1\]

    C)
    \[\frac{1}{\sqrt{2}}\]                                     

    D)
    \[\sqrt{2}\]

    View Answer play_arrow
  • question_answer29) The equivalent capacity between the points\[X\]and\[Y\]in the circuit with\[C=1\mu F\]is

    A)
    \[2\mu F\]                         

    B)
    \[3\mu F\]

    C)
    \[1\mu F\]                                         

    D)
    \[0.5\mu F\]

    View Answer play_arrow
  • question_answer30) Three charges \[1\mu C,\,\,1\mu C\] and \[2\mu C\] are kept at the vertices \[A,\,\,B\] and \[C\] of an equilateral triangle \[ABC\] of \[10cm\] side, respectively. The resultant force on the charge at \[C\] is

    A)
    \[0.9N\]                              

    B)
    \[1.8N\]

    C)
    \[2.72N\]                            

    D)
    \[3.6N\]

    View Answer play_arrow
  • question_answer31) Two unknown resistances \[X\] and \[Y\] are connected to left and right gaps of a metre bridge and the balancing point is obtained at \[80cm\] from left. When a \[10\,\,\Omega \] resistance is connected in parallel to \[X\] the balancing point is \[50cm\] from left. The values of \[X\] and \[Y\] respectively are

    A)
    \[40\Omega ,\,\,9\Omega \]                     

    B)
    \[30\Omega ,\,\,7.5\Omega \]

    C)
    \[20\Omega ,\,\,6\Omega \]                     

    D)
    \[10\Omega ,\,\,3\Omega \]

    View Answer play_arrow
  • question_answer32) The current in a circuit containing a battery connected to \[2\Omega \] resistance is\[0.9A\]. When a resistance of \[7\Omega \] is connected to the same battery, the current observed in the circuit is\[0.3A\]. Then the internal resistance of the battery is

    A)
    \[0.1\Omega \]                

    B)
    \[0.5\Omega \]

    C)
    \[1\Omega \]                                    

    D)
    \[zero\]

    View Answer play_arrow
  • question_answer33) In a thermo-couple the cold junction is at\[{{30}^{o}}C.\] The temperature of inversion is found to be\[{{540}^{o}}C\], then the neutral temperature is

    A)
    \[{{270}^{o}}C\]                               

    B)
    \[{{510}^{o}}C\]

    C)
    \[{{285}^{o}}C\]                               

    D)
    \[{{240}^{o}}C\]

    View Answer play_arrow
  • question_answer34) The emf induced in a secondary coil is \[20000\,\,V\] when the current breaks in the primary coil. The mutual inductance is \[5H\] and the current reaches to zero in \[{{10}^{-4}}s\] in the primary. The maximum current in the primary before it breaks is

    A)
    \[0.1A\]                                               

    B)
    \[0.4A\]

    C)
    \[0.6A\]                               

    D)
    \[0.8A\]

    View Answer play_arrow
  • question_answer35) Two coils are wound on the same iron rod so that the flux generated by one passes through the other. The primary coil has \[{{N}_{p}}\] turns in it and when a current \[2A\] flows through it the flux in it is\[2.5\times {{10}^{-4}}Wb\]. If the secondary coil has 12 turns the mutual inductance of the coils is (assume the secondary coil is in open circuit)

    A)
    \[10\times {{10}^{-4}}H\]                            

    B)
    \[15\times {{10}^{-4}}H\]

    C)
    \[20\times {{10}^{-4}}H\]                            

    D)
    \[25\times {{10}^{-4}}H\]

    View Answer play_arrow
  • question_answer36) A coil of 40 H inductance is connected in series with a resistance of \[8\Omega \] and this combination is connected to the terminals of a \[2V\] battery. The inductive time constant of the circuit is (in second)

    A)
     40                                         

    B)
     20

    C)
     5                                            

    D)
     0.2

    View Answer play_arrow
  • question_answer37) The velocity of the most energetic electrons emitted from a metallic surface is doubled when the frequency \[v\] of the incident radiation is doubled. The work function of this metal is

    A)
    \[\frac{hv}{4}\]                                

    B)
    \[\frac{hv}{3}\]

    C)
    \[\frac{hv}{2}\]                                

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

    View Answer play_arrow
  • question_answer38) A proton and an alpha particle are accelerated through the same potential difference. The ratio of the wavelengths associated with proton and alpha particle respectively is

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

    B)
    \[2:1\]

    C)
    \[2:\sqrt{2}:1\]                 

    D)
    \[4:1\]

    View Answer play_arrow
  • question_answer39) Electron belongs to which of the following class of elementary particles

    A)
     Hardon               

    B)
     Lepton

    C)
     Boson                                 

    D)
     Baryon

    View Answer play_arrow
  • question_answer40) In a transistor circuit the base current changes from \[30\mu A\] to\[90\mu A\]. If the current gain of the transistor is 30, the change in the collector current is

    A)
    \[4\,\,mA\]                        

    B)
    \[2\,\,mA\]

    C)
    \[3.6\,\,mA\]                    

    D)
    \[1.8\,\,mA\]

    View Answer play_arrow
  • question_answer41) A man slides down on a telegraphic pole with an acceleration equal to one-fourth of acceleration due to gravity. The frictional force between man and pole is equal to in terms of mans weight\[w\]

    A)
    \[\frac{w}{4}\]                                 

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

    C)
    \[\frac{3w}{4}\]                                               

    D)
    \[w\]

    View Answer play_arrow
  • question_answer42) The magnitude of maximum acceleration is \[\pi \] times that of maximum velocity of a simple harmonic oscillator. The time period of the oscillator in second is

    A)
     4                                            

    B)
     2

    C)
     1                                            

    D)
     0.5

    View Answer play_arrow
  • question_answer43) A liquid does not wet the solid surface if the angle of contact is

    A)
    Zero

    B)
     equal to\[{{45}^{o}}\]

    C)
     equal to\[{{90}^{o}}\]                  

    D)
     greater than\[{{90}^{o}}\]

    View Answer play_arrow
  • question_answer44) A clock which keeps correct time at\[{{20}^{o}}C\], is subjected to\[{{40}^{o}}C\]. If coefficient of linear expansion of the pendulum is\[12\times {{10}^{-6}}{{/}^{o}}C\]. How much will it gain or lose time?

    A)
     10.3 s/day         

    B)
     20.6 s/day

    C)
     5 s/day               

    D)
     20 min/day

    View Answer play_arrow
  • question_answer45) Two gases \[A\] and \[B\] having same pressure\[P\], volume \[V\] and absolute temperature \[T\] are mixed. If the mixture has the volume and temperature as \[V\] and \[T\] respectively, then the pressure of the mixture is

    A)
    \[2\,\,P\]                                            

    B)
    \[P\]

    C)
    \[\frac{P}{2}\]                                  

    D)
    \[4P\]

    View Answer play_arrow
  • question_answer46) The temperature of the system decreases in the process of

    A)
     free expansion

    B)
     adiabatic expansion

    C)
     isothermal expansion

    D)
     isothermal compression

    View Answer play_arrow
  • question_answer47) In Ramsden eyepiece, the two planoconvex lenses each of focal length \[f\] are separated by a distance\[12cm\]. The equivalent focal length (in \[cm\]) of the eyepiece is

    A)
     10.5                                      

    B)
     12.0

    C)
     13.5                                      

    D)
     15.5

    View Answer play_arrow
  • question_answer48) In Huygens eyepiece

    A)
     the cross wires are outside the eyepiece

    B)
     condition for achromatism is satisfied

    C)
     condition for minimum spherical aberration is not satisfied

    D)
     the image formed by the objective is a virtual image

    View Answer play_arrow
  • question_answer49) The natural frequency of an\[L-C\] circuit is \[1,25,000\] cycle/s. Then the capacitor \[C\] is replaced by another capacitor with a dielectric medium of dielectric constant\[K\]. In this case, the frequency decreases by\[25kHz\]. The value of \[K\] is

    A)
     3.0                                        

    B)
     2.1

    C)
     1.56                                      

    D)
     1.7

    View Answer play_arrow
  • question_answer50) In Sun, the important source of energy is

    A)
     proton-proton cycle

    B)
     carbon-nitrogen cycle

    C)
     carbon-carbon cycle

    D)
     nitrogen-nitrogen cycle

    View Answer play_arrow
  • question_answer51) Calculate the difference between \[\Delta E\] and \[\Delta H\]for the following reaction at \[{{27}^{o}}C\](in kcal).                 \[{{C}_{(graphite)}}+{{H}_{2}}(g)\xrightarrow{{}}C{{H}_{4}}(g)\]

    A)
    \[-0.6\]                                

    B)
    \[-1.2\]

    C)
    \[+0.6\]                                               

    D)
    \[+1.2\]

    View Answer play_arrow
  • question_answer52) DNA multiplication is called

    A)
     translation        

    B)
     transduction

    C)
     transcription    

    D)
     replication

    View Answer play_arrow
  • question_answer53) \[{{C}_{2}}{{H}_{5}}Cl\xrightarrow[A{{g}_{2}}O]{Moist}A\xrightarrow[{{360}^{o}}C]{A{{l}_{2}}{{O}_{3}}}B\xrightarrow[{}]{{{S}_{2}}C{{l}_{2}}}\] In the above sequence of reactions, identify\[C.\]

    A)
     chloretone        

    B)
     chloropicrin

    C)
     mustard gas     

    D)
     lewisite gas

    View Answer play_arrow
  • question_answer54) \[SiC{{l}_{4}}\xrightarrow{{{H}_{2}}O}X\xrightarrow{{{1000}^{o}}C}Y\] In the above reaction, \[X\]and \[Y\] respectively, are

    A)
    \[Si{{O}_{2}}\]and\[Si\]                

    B)
    \[{{H}_{4}}Si{{O}_{4}}\]and\[Si{{O}_{2}}\]

    C)
    \[{{H}_{2}}SiC{{l}_{6}}\]and\[Si{{O}_{2}}\]           

    D)
    \[{{H}_{4}}Si{{O}_{4}}\]and\[Si\]

    View Answer play_arrow
  • question_answer55) What is the wave number of 4th line in Balmer series of hydrogen spectrum?                 \[(R=1,09,677c{{m}^{-1}})\]

    A)
    \[24,630c{{m}^{-1}}\]                    

    B)
    \[24,360c{{m}^{-1}}\]

    C)
    \[24,730c{{m}^{-1}}\]                    

    D)
    \[24,372c{{m}^{-1}}\]

    View Answer play_arrow
  • question_answer56) Disperse phase and dispersion medium in butter are respectively

    A)
     solid and liquid                

    B)
     liquid and solid

    C)
     liquid and liquid              

    D)
     solid and solid

    View Answer play_arrow
  • question_answer57) When oxyhaemoglobin changes to de-oxyhaenioglobin, \[F{{e}^{2+}}\]ion changes from

    A)
     diamagnetic to paramagnetic

    B)
     paramagnetic to diamagnetic

    C)
     diamagnetic to ferromagnetic

    D)
     paramagnetic to ferromagnetic

    View Answer play_arrow
  • question_answer58) \[A\]react with \[{{C}_{2}}{{H}_{5}}I\] giving \[B\] and\[Nal\]. Here\[A\]and \[B\] respectively, are

    A)
    \[C{{H}_{3}}COONa,\,\,C{{H}_{3}}OC{{H}_{3}}\]

    B)
    \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}},\,\,{{C}_{2}}{{H}_{5}}COO{{C}_{2}}{{H}_{5}}\]

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

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

    View Answer play_arrow
  • question_answer59) Nitration of aniline is achieved by

    A)
     direct treatment with nitration mixture under reflux

    B)
     using fuming \[HN{{O}_{3}}\]

    C)
     acetylation followed by nitration and subsequent hydrolysis

    D)
    \[KN{{O}_{3}}+conc\,\,HN{{O}_{3}}\]

    View Answer play_arrow
  • question_answer60) When\[AgN{{O}_{3}}\]solution is added in excess to \[1\,\,M\] solution of\[CoC{{l}_{3}}\cdot xN{{H}_{3}}\], one mole of \[AgCl\] is formed. What is the value of\[x\]?

    A)
     1                                            

    B)
     2

    C)
     3                                            

    D)
     4

    View Answer play_arrow
  • question_answer61) Which of the following is the decreasing order of boiling points of\[V\]group hydrides?

    A)
    \[N{{H}_{3}}>P{{H}_{3}}>As{{H}_{3}}>Sb{{H}_{3}}\]

    B)
    \[Sb{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}>N{{H}_{3}}\]

    C)
    \[P{{H}_{3}}>N{{H}_{3}}>As{{H}_{3}}>Sb{{H}_{3}}\]

    D)
    \[Sb{{H}_{3}}>N{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}\]

    View Answer play_arrow
  • question_answer62) The atomic number of an element \[M\] is 26. How many electrons are present in the M-shell of the element in its\[{{M}^{3+}}\]state?

    A)
     11                                         

    B)
     15

    C)
     14                                         

    D)
     13

    View Answer play_arrow
  • question_answer63) \[{{N}_{2}}(g)+3{{H}_{2}}(g)2N{{H}_{3}}(g)+22kcal\].  The activation energy for the forward reaction is 50 kcal. What is the activation energy for the backward reaction?

    A)
    \[-72kcal\]                          

    B)
    \[-28kcal\]

    C)
    \[+28kcal\]                         

    D)
    \[+72kcal\]

    View Answer play_arrow
  • question_answer64) The raw material used in nylon-6 is

    A)
     adipic acid         

    B)
     phthalic acid

    C)
     ethylene glycol               

    D)
     caprolactum

    View Answer play_arrow
  • question_answer65) Which one of the following reactions is called Rosemond reaction?

    A)
     Aldehydes are reduced to alcohols

    B)
     Acids are converted to acid chlorides

    C)
     Alcohols are reduced to hydrocarbons

    D)
     Acid chlorides are reduced to aldehydes

    View Answer play_arrow
  • question_answer66) \[IUPAC\]name of\[C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{align}   & | \\  & C{{H}_{2}} \\  & | \\  & C{{H}_{3}} \\ \end{align}}{\mathop{CH}}\,-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}\]is

    A)
     2-methyl-3-ethyl-1-pentene

    B)
     3-ethyl-4-methyl-4-pentene

    C)
     3-ethyl-2-methyl-1-pentene

    D)
     3-methyl-2-ethyl-1-pentene

    View Answer play_arrow
  • question_answer67) In the separation of noble gas mixture from air by Ramsay Rayleighs first method, the substances used for the removal of\[{{N}_{2}}\]and\[{{O}_{2}}\] respectively, are

    A)
    \[Cu\]and\[Mg\]                             

    B)
    \[Mg\]and\[Cu\]

    C)
    \[C\]and\[Ca{{C}_{2}}\]               

    D)
    \[KOH\]solution

    View Answer play_arrow
  • question_answer68) The fraction of element disintegrated after 4 half-lifes in percentage is

    A)
    \[75%\]                               

    B)
    \[87.5%\]

    C)
    \[93.75%\]                         

    D)
    \[92.5%\]

    View Answer play_arrow
  • question_answer69) The most probable velocity of a gas molecule at \[298K\] is\[300m/s\]. Its RMS velocity, in\[(m/s)\] is

    A)
     420                                       

    B)
     245

    C)
     402                                       

    D)
     367

    View Answer play_arrow
  • question_answer70) Schottky defect is observed in the crystal of

    A)
    \[NaCl\]                              

    B)
    \[TiCl\]

    C)
    \[AgCl\]                               

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

    View Answer play_arrow
  • question_answer71) A mixture of amylose and amylopectin is called

    A)
     lactose                

    B)
     starch

    C)
     cellulose            

    D)
     sucrose

    View Answer play_arrow
  • question_answer72) Match the following                 Set I                                       Set II \[{{C}_{2}}{{H}_{5}}OH\xrightarrow[{{170}^{o}}C]{Con.{{H}_{2}}S{{O}_{4}}}\]     1. Methane \[CH{{I}_{3}}\xrightarrow[Ag(Powder)]{\Delta }\]                            2. Ethylene \[\begin{align}   & C{{H}_{3}}COONa(aq) \\  & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\xrightarrow{Electrolysis} \\ \end{align}\]                      3. Benzene \[C{{H}_{3}}COONa\xrightarrow[CaO\,\,\Delta ]{NaOH}\]            4. Acetylene                                                                 5. Ethane The correct match is

    A)
     \[A-2,\,\,B-4,\,\,C-5,\,\,D-1\]

    B)
    \[A-2,\,\,B-4,\,\,C-5,\,\,D-3\]

    C)
    \[A-4,\,\,B-2,\,\,C-5,\,\,D-1\]

    D)
    \[A-4,\,\,B-2,\,\,C-5,\,\,D-3\]

    View Answer play_arrow
  • question_answer73) One gas bleaches the colour of flowers by reduction and another gas by oxidation. The gases respectively, are

    A)
    \[S{{O}_{2}}\]and\[C{{l}_{2}}\]                 

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

    C)
    \[N{{H}_{3}}\]and\[S{{O}_{2}}\]                               

    D)
    \[{{H}_{2}}S\]and\[Br\]

    View Answer play_arrow
  • question_answer74) Lanthanide contraction is due to increase in

    A)
     shielding by 4f electrons

    B)
     atomic number

    C)
     effective nuclear charge

    D)
     sizeof4forbitals

    View Answer play_arrow
  • question_answer75) What is the electrode potential (in\[V\]) of the following electrode at\[{{25}^{o}}C\]? \[N{{i}^{2+}}(0.1M/Ni(s)\](Standard reduction potential of\[N{{i}^{2+}}|Ni\]is\[-0.25V,\,\,\frac{2.303RT}{F}=0.06\]

    A)
    \[-0.28V\]                           

    B)
    \[-0.34V\]

    C)
    \[-0.82V\]                           

    D)
    \[-0.22V\]

    View Answer play_arrow
  • question_answer76) What is the equation for the equilibrium constant\[({{K}_{c}})\]for the following reaction?                 \[\frac{1}{2}A(g)+\frac{1}{3}(g)\frac{2}{3}C(g)\]

    A)
    \[{{K}_{c}}=\frac{{{[A]}^{1/2}}{{[B]}^{1/3}}}{{{[C]}^{3/2}}}\]       

    B)
    \[{{K}_{c}}=\frac{{{[C]}^{3/2}}}{{{[A]}^{2}}{{[B]}^{3}}}\]

    C)
    \[{{K}_{c}}=\frac{{{[C]}^{2/3}}}{{{[A]}^{1/2}}{{[B]}^{1/3}}}\]       

    D)
    \[{{K}_{c}}=\frac{{{[C]}^{2/3}}}{{{[A]}^{1/2}}{{[B]}^{1/3}}}\]

    View Answer play_arrow
  • question_answer77) A drug that is antipyretic as well as analgesic is

    A)
     chloroquine

    B)
     penicillin

    C)
     paracetamol

    D)
     Chloropromazine hydrochloride

    View Answer play_arrow
  • question_answer78) What is the conjugate base of\[HSO_{4}^{-}\]?

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

    B)
    \[HSO_{4}^{2-}\]

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

    D)
    \[{{H}^{+}}\]

    View Answer play_arrow
  • question_answer79) Observe the following reaction\[A(g)+3B(g)\xrightarrow{{}}2C(g)\] The rate of this reaction\[\left( =\frac{d[A]}{dt} \right)\]is \[3\times {{10}^{-3}}\] mol\[{{L}^{-1}}{{\min }^{-1}}\]. What is the value of\[-\frac{d[B]}{dt}\]in mol\[{{L}^{-1}}{{\min }^{-1}}\]?

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

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

    C)
    \[{{10}^{-3}}\]                                  

    D)
    \[1.5\times {{10}^{-3}}\]

    View Answer play_arrow
  • question_answer80) The bond angle in \[As{{H}_{3}}\] is greater than that in

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

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

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

    D)
     None of these

    View Answer play_arrow
  • question_answer81) A \[0.5g/L\] solution of glucose is found to be isotonic with a \[2.5g/L\] solution of an organic compound. What will be the molecular weight of that organic compound?

    A)
     300                                       

    B)
     600

    C)
     900                                       

    D)
     200

    View Answer play_arrow
  • question_answer82) \[t-\]butyl chloride preferably undergo hydrolysis by

    A)
    \[{{S}_{N}}1\]mechanism

    B)
    \[{{S}_{N}}2\]mechanism

    C)
     any of (a) and (b)

    D)
     None of the above

    View Answer play_arrow
  • question_answer83) Which of the following has lowest boiling point?

    A)
    \[NaCl\]                              

    B)
    \[CuCl\]

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

    D)
    \[CsCl\]

    View Answer play_arrow
  • question_answer84) To dissolve argentite ore which of the following is used?

    A)
    \[Na[Ag{{(CN)}_{2}}]\] 

    B)
    \[NaCN\]

    C)
    \[NaCl\]                              

    D)
    \[HCl\]

    View Answer play_arrow
  • question_answer85) The ratio of carbon, hydrogen and oxygen in 2-methyl benzoic acid is

    A)
    \[4:2:2\]                              

    B)
    \[2:4:1\]

    C)
    \[4:4:1\]                              

    D)
    \[4:4:2\]

    View Answer play_arrow
  • question_answer86) The best method to separate the mixture of ortho and para nitrophenol \[(1:1)\] is

    A)
     vaporisation

    B)
     colour spectrum

    C)
     distillation

    D)
     crystallisation

    View Answer play_arrow
  • question_answer87) Acetylene and \[HCHO\] react in presence of copper acetylide catalyst to form

    A)
     1-butyne-1, 4-diol          

    B)
     2-butyne-1, 2-diol

    C)
     2-butyne-1, 4-diol          

    D)
     None of these

    View Answer play_arrow
  • question_answer88) The effective atomic number of\[Cr\]in \[Cr{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\]is

    A)
     35                                         

    B)
     36

    C)
     27                                         

    D)
     33

    View Answer play_arrow
  • question_answer89) Which of the following forms colourless compounds?

    A)
    \[S{{c}^{3+}}\]                                  

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

    C)
    \[T{{i}^{3+}}\]                                   

    D)
    \[C{{r}^{3+}}\]

    View Answer play_arrow
  • question_answer90) Match list-I with list-II and select the correct answer using the code given below
    List I (successive IE) List II (Elements)
    \[I{{E}_{1}}\] \[I{{E}_{2}}\] \[I{{E}_{3}}\] \[(kJ\,mo{{l}^{-1}})\]
    1. 1320 - - A. H
    2. 520 7297 11810 B. Li
    3. 900 1758 14810 C. Be
    4. 800 2428 3660 D. B

    A)
    \[A-2,\,\,B-1,\,\,C-4,\,\,D-3\]

    B)
    \[A-3,\,\,B-4,\,\,C-2,\,\,D-1\]

    C)
    \[A-4,\,\,B-3,\,\,C-1,\,\,D-2\]    

    D)
    \[A-1,\,\,B-2,\,\,C-3,\,\,D-4\]

    View Answer play_arrow
  • question_answer91) The chemical formula of feldspar is

    A)
    \[KAlS{{i}_{3}}{{O}_{8}}\]

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

    C)
    \[NaAl{{O}_{6}}\]

    D)
    \[{{K}_{2}}S{{O}_{4}}\cdot A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\cdot 4Al{{(OH)}_{3}}\]

    View Answer play_arrow
  • question_answer92) A radioactive substance \[_{88}{{X}^{228}}\](IIA) emits\[3\alpha \]and\[3\beta \]particles to form\[Y\]. To which group of long form of the periodic table does\[Y\] belong?

    A)
    \[IVA\]                                

    B)
    \[VA\]

    C)
    \[VIA\]                                

    D)
    \[VIIA\]

    View Answer play_arrow
  • question_answer93) The functional groups present in salol are

    A)
    \[-N{{H}_{2}}\]and\[-OR\]

    B)
    \[OH\]and\[-COR\]

    C)
    \[-N{{H}_{2}}\]and\[-COOH\]

    D)
     \[-OH\]and\[-COOR\]

    View Answer play_arrow
  • question_answer94) Which of the following statements is correct?

    A)
     Silicon doped with boron is an \[n-\]type semiconductor

    B)
     Silicon doped with arsenic is a \[p-\]type semiconductor

    C)
     Metals are good conductors of electricity

    D)
     Electrical conductivity of semiconductors decreases with increasing temperature

    View Answer play_arrow
  • question_answer95) Hybridisation of oxygen in diethyl ether is

    A)
    \[sp\]                                   

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

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

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

    View Answer play_arrow
  • question_answer96) Which one of the following salts give an acidic solution in water?

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

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

    C)
    \[NaCl\]                              

    D)
    \[C{{H}_{3}}COON{{H}_{4}}\]

    View Answer play_arrow
  • question_answer97) Which of the following is not tetrahedral?

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

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

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

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

    View Answer play_arrow
  • question_answer98) Nitrobenzene on reduction with zinc and\[N{{H}_{4}}Cl\]gives

    A)
     azobenzene

    B)
     aniline

    C)
     hydrazobenzene

    D)
     \[N-\]phenyl hydroxylamine

    View Answer play_arrow
  • question_answer99) Bhopal gas tragedy of 1984 was caused by

    A)
     carbon monoxide

    B)
     phosgene

    C)
     methyl cyanate

    D)
     methyl isocyanate

    View Answer play_arrow
  • question_answer100) Which of the following is not a peroxy acid?

    A)
     Perphosphoric acid

    B)
     Pemitric acid

    C)
     Perdisulphuric acid

    D)
     Perchloric acid

    View Answer play_arrow
  • question_answer101) Name given to fossil hominid of Shivalik hills in India is

    A)
     Ramapithecus

    B)
     Australopithecus

    C)
     Pithecanthropus

    D)
     Neanderthalensis

    View Answer play_arrow
  • question_answer102) Vagina, oesophagus, urethra contain which type of tissue?

    A)
     Stratified squamous epithelium

    B)
     Simple squamous epithelium

    C)
     Ciliated epithelium

    D)
     Columnar epithelium

    View Answer play_arrow
  • question_answer103) In five kingdom system of classification of RH Whittaker, how many kingdoms contain eukaryotes?

    A)
     Four kingdoms                

    B)
     One kingdom

    C)
     Two kingdoms                 

    D)
     Three kingdoms

    View Answer play_arrow
  • question_answer104) Improvement of human race through hereditary qualities is called

    A)
     euthenics

    B)
     human heredity

    C)
     human demography

    D)
     eugenics

    View Answer play_arrow
  • question_answer105) Mammary glands are modified

    A)
     sweat gland     

    B)
     sebaceous gland

    C)
     lacrymal gland                 

    D)
     endocrine gland

    View Answer play_arrow
  • question_answer106) Inheritance of a acquired characters comes under

    A)
     Lamarckism     

    B)
     Darwinism

    C)
     Neo-Lamarckism            

    D)
     Neo-Darwinism

    View Answer play_arrow
  • question_answer107) The Mesozoic era is also called as

    A)
     the golden age of the amphibians

    B)
     the golden age of the reptiles

    C)
     the golden age of the mammals

    D)
     the golden age of the birds

    View Answer play_arrow
  • question_answer108) Loop of Henie is associated with

    A)
     excretory system

    B)
     respiratory system

    C)
     reproductive system

    D)
     digestive system

    View Answer play_arrow
  • question_answer109) Which of the following is an exclusive character of class-Mammalia?

    A)
     Homoiothermy

    B)
     Internal fertilization

    C)
     Presence of a 4-chambered heart

    D)
     Presence of a muscular diaphragm

    View Answer play_arrow
  • question_answer110) Symmetry in Cnidaria is

    A)
     radial                                   

    B)
     bilateral

    C)
     pentamerous                  

    D)
     spherical

    View Answer play_arrow
  • question_answer111) Blood of earthworm is

    A)
     red in colour, due to dissolved haemoglobin in corpuscle

    B)
     red in colour, due to dissolved haemoglobin in plasma

    C)
     blue in colour, due to dissolved haemocyanin in plasma

    D)
     blue in colour, due to dissolved haemocyanin in corpuscles

    View Answer play_arrow
  • question_answer112) Agranulocytes are

    A)
     lymphocytes and monocytes

    B)
     eosinophils and basophils

    C)
     lymphocytes and eosinophils

    D)
     basophils and monocytes

    View Answer play_arrow
  • question_answer113) Parthenogenesis is a term of

    A)
     sexual reproduction

    B)
     asexual reproduction

    C)
     budding

    D)
     regeneration

    View Answer play_arrow
  • question_answer114) Pyramid that is never inverted

    A)
     energy                                

    B)
     mass

    C)
     number                              

    D)
     size

    View Answer play_arrow
  • question_answer115) Two species occupying same or overlapping area are called as

    A)
     sympatric          

    B)
     allopatric

    C)
     parapatric          

    D)
     ring species

    View Answer play_arrow
  • question_answer116) CFCs are responsible for

    A)
     ozone layer depletion

    B)
     global warming

    C)
     acid rain

    D)
     None of the above

    View Answer play_arrow
  • question_answer117) Amoeba differs from Entamoeba in having

    A)
     contractile vacuole

    B)
     pseudopodia

    C)
     ectoplasm

    D)
     cytostome

    View Answer play_arrow
  • question_answer118) A dihybrid for qualitative trait is corssed with homozygous recessive individual of its type, the phenotypic ratio is

    A)
    \[1:2:1\]                              

    B)
    \[3:1\]

    C)
    \[1:1:1:1\]                          

    D)
    \[9:3:3:1\]

    View Answer play_arrow
  • question_answer119) Phenomenon of industrial melanism demonstrates

    A)
     reproductive isolation

    B)
     induced mutation

    C)
     natural selection

    D)
     geographical isolation

    View Answer play_arrow
  • question_answer120) At menopause there is rise in urinary excretion of

    A)
     FSH                                      

    B)
     STH

    C)
     LH                                         

    D)
     MSH

    View Answer play_arrow
  • question_answer121) Zoological name of common Indian krait is

    A)
     Bungarus caeruleus

    B)
     Ophiophagus Hannah

    C)
     Viper russeli

    D)
     Naja naja

    View Answer play_arrow
  • question_answer122) Study of ticks and mites is

    A)
     Acarology          

    B)
     Entomology

    C)
     Malacology       

    D)
     Carcinology

    View Answer play_arrow
  • question_answer123) In acid rain,\[S{{O}_{2}}\]accounts by

    A)
    \[70%\]                               

    B)
    \[100%\]

    C)
    \[50%\]                               

    D)
    \[30%\]

    View Answer play_arrow
  • question_answer124) Biosphere reserve programme started in India

    A)
     1986                                     

    B)
     1984

    C)
     1982                                     

    D)
     1988

    View Answer play_arrow
  • question_answer125) Urea formation takes place in

    A)
     liver                                     

    B)
     kidney

    C)
     pancreas            

    D)
     intestine

    View Answer play_arrow
  • question_answer126) An institution where valuable plant material-likely to become irretrievably lost in the wild or in cultivation is preserved viable condition is known as

    A)
     genome             

    B)
     gene library

    C)
     gene bank         

    D)
     herbarium

    View Answer play_arrow
  • question_answer127) Shock movement in touch me not plant is

    A)
     seismonasty    

    B)
     photo nasty

    C)
     chemonasty                     

    D)
     the rmonasty

    View Answer play_arrow
  • question_answer128) Which is correct for the structure of cell wall of bacteria and fungi?

    A)
     Both are made up of cellulose

    B)
     Both have mucopeptide

    C)
     Both are made up of N-acetylglucosamine

    D)
     None of the above

    View Answer play_arrow
  • question_answer129) Bacterium which reduces nitrates in soil to nitrogen is

    A)
     Nitro so monas               

    B)
     Pseudomonas

    C)
     Rhizobium         

    D)
     Clostridium

    View Answer play_arrow
  • question_answer130) Surrounding membrane of vacoule is called

    A)
     tonoplast           

    B)
     symplast

    C)
     apoplast             

    D)
     phragmoplast

    View Answer play_arrow
  • question_answer131) Living fossil is

    A)
     Ginkgo biloba                  

    B)
     Gnetum ula

    C)
     Pinus roxburghii             

    D)
     Cycas revolute

    View Answer play_arrow
  • question_answer132) Sucking roots are present in the plant

    A)
     Betal                                    

    B)
     Cuscuta

    C)
     Mangifera         

    D)
     Solanum

    View Answer play_arrow
  • question_answer133) For cryopreservation, plant materials are frozen at

    A)
    \[-{{196}^{o}}C\]                             

    B)
    \[-{{150}^{o}}C\]

    C)
    \[-{{80}^{o}}C\]               

    D)
    \[-{{40}^{o}}C\]

    View Answer play_arrow
  • question_answer134) Casparian strip is a characteristic feature of

    A)
     pericycle            

    B)
     periblem

    C)
     endodermis     

    D)
     hypodermis

    View Answer play_arrow
  • question_answer135) Guttation occurs through

    A)
     lenticels             

    B)
     hydathodes

    C)
     periderm           

    D)
     stomata

    View Answer play_arrow
  • question_answer136) Phycology is the study of

    A)
     algae                                   

    B)
     fern

    C)
     fungi                                    

    D)
     bryophytes

    View Answer play_arrow
  • question_answer137) ......... is a CAM plant.

    A)
     maize                                  

    B)
     pineapple

    C)
     onion                                  

    D)
     pea

    View Answer play_arrow
  • question_answer138) Edible part of the apple is

    A)
     mesocarp          

    B)
     calyx

    C)
     thalamus           

    D)
     pericarp

    View Answer play_arrow
  • question_answer139) Sunken stomata is found in leaves of

    A)
     Trifolium            

    B)
     Lemna

    C)
     Nerium               

    D)
     Lilium

    View Answer play_arrow
  • question_answer140) The accumulated food reserve in fungi is

    A)
     protein               

    B)
     starch

    C)
     glycogen            

    D)
     fat

    View Answer play_arrow
  • question_answer141) Euploidy is best explained by

    A)
     exact multiple of a haploid set of chromosomes

    B)
     one chromosomes less than the haploid set of chromosomes

    C)
     one chromosomes more than the haploid set of chromosomes

    D)
     one chromosomes more than the diploid set of chromosomes

    View Answer play_arrow
  • question_answer142) Insectivorous plants live in a soil that is usually deficient in

    A)
     nitrate                

    B)
     chloride

    C)
     potassium         

    D)
     magnesium

    View Answer play_arrow
  • question_answer143) In aerobic respiration, citric acid cycle takes place in

    A)
     cytosol

    B)
     mitochondria

    C)
     peroxisomes

    D)
     endoplasmic reticulum

    View Answer play_arrow
  • question_answer144) The highest advanced family is

    A)
     Cruciferae         

    B)
     Cucurbitaceae

    C)
     Compositae     

    D)
     Euphorbiaceae

    View Answer play_arrow
  • question_answer145) Stalk with which ovules remain attached to the placenta is called

    A)
     funicle                                

    B)
     raphe

    C)
     hilum                                   

    D)
     chalaza

    View Answer play_arrow
  • question_answer146) In pteridophytes, phloem is without

    A)
     sieve cells          

    B)
     sieve tubes

    C)
     companion cells              

    D)
     bast fibres

    View Answer play_arrow
  • question_answer147) Purified antibiotic penicillin of Penicillium notatum was discovered by

    A)
     Alexander Flemming

    B)
     Howard Floxy

    C)
     Robert Hooke

    D)
     Carolus Linnaeus

    View Answer play_arrow
  • question_answer148) First vascular plant is

    A)
     Thallophyta     

    B)
     Bryophyta

    C)
     Pteridophyta                   

    D)
     Spermatophyta

    View Answer play_arrow
  • question_answer149) Bakers yeast is

    A)
     S. cerevisae                      

    B)
     S. ludwingii

    C)
     S. octosporus     

    D)
     Schizosdccharomyces

    View Answer play_arrow
  • question_answer150) Dominant generation in bryophytes is

    A)
     capsule               

    B)
     sporophyte

    C)
     gametophyte                  

    D)
     seta

    View Answer play_arrow
  • question_answer151) Largest flower is

    A)
     Rafflesia arnnoldi

    B)
     Helianthus annuus

    C)
     Welwitschia morabilis

    D)
     Nelumbo nuccifera

    View Answer play_arrow
  • question_answer152) Halophytes are

    A)
     fire resistant                    

    B)
     cold resistant

    C)
     salt resistant                    

    D)
     sand loving

    View Answer play_arrow
  • question_answer153) Natural genetic engineer is

    A)
     Bacillus subtilis

    B)
     Pseudomonas sp.

    C)
     Escherichia coli

    D)
     Agrobacterium tumefaciens

    View Answer play_arrow
  • question_answer154) Cell respiration is carried out by

    A)
     ribosome           

    B)
     mitochondria

    C)
     chloroplast        

    D)
     Golgi bodies

    View Answer play_arrow
  • question_answer155) Fluid mosaic model of plasma membrane was given by

    A)
     Robertson

    B)
     Robert Hooke

    C)
     Singer and Nicholson

    D)
     Pantin and Mast

    View Answer play_arrow
  • question_answer156) Which amino acids are present in histones?

    A)
     Lysine and histidine

    B)
     Valine and histidine

    C)
     Arginine and lysine

    D)
     Arginine and histidine

    View Answer play_arrow
  • question_answer157) Which has vascular tissue, produces spores, but does not has seeds?

    A)
     Bryophyta         

    B)
     Pteridophyta

    C)
     Gymnosperms                

    D)
     Angiosperms

    View Answer play_arrow
  • question_answer158) Which enzyme joins DNA fragments?

    A)
     DNA ligase        

    B)
     DNA polymerase

    C)
     DNA gyrase     

    D)
     Topoisomerase

    View Answer play_arrow
  • question_answer159) The structure present in cyanobacteria (BGA) helping in\[{{N}_{2}}\]fixation is

    A)
     haplosperm     

    B)
     holostrum

    C)
     holotrema         

    D)
     heterocyst

    View Answer play_arrow
  • question_answer160) RNA has uracil instead of

    A)
     cytosine             

    B)
     guanine

    C)
     thymine             

    D)
     None of these

    View Answer play_arrow
  • question_answer161) Endosperm of gymnosperm is

    A)
     diploid                

    B)
     tetraploid

    C)
     haploid               

    D)
     None of these

    View Answer play_arrow
  • question_answer162) Binomial nomenclature of plants was given by

    A)
     Engler                                 

    B)
     Linnaeus

    C)
     Prand                                  

    D)
     Both [a] and [c]

    View Answer play_arrow
  • question_answer163) Bacterial blight of rice is caused due to

    A)
     Xanthomonas oryzae

    B)
     Helminthosporium oryzae

    C)
     Pseudomonas falcatum

    D)
     Xanthomonas falcatum

    View Answer play_arrow
  • question_answer164) Female reproductive part of bryophytes is

    A)
     antheridium    

    B)
     oogonium

    C)
     archegonium                   

    D)
     sporangium

    View Answer play_arrow
  • question_answer165) Chitin is present in the cell wall of

    A)
     fungi                                    

    B)
     bacteria

    C)
     yeast                                   

    D)
     algae

    View Answer play_arrow
  • question_answer166) Triple fusion in angiosperm is the fusion of second sperm with

    A)
     antipodal cell and one synergid cell

    B)
     two antipodal cells

    C)
     two synergid cells

    D)
     two polar nuclei

    View Answer play_arrow
  • question_answer167) Father of botany is

    A)
     Linnaeus            

    B)
     Leeuwenhoek

    C)
     Theophrastus                  

    D)
     Aristotle

    View Answer play_arrow
  • question_answer168) Hormone inducing fruit ripening is

    A)
     ethylene            

    B)
     cytokinin

    C)
     gibberellic acid                

    D)
     abscisic acid

    View Answer play_arrow
  • question_answer169) Red colour of tomato is due to

    A)
     \[\beta -\]carotene                      

    B)
     anthocyanin

    C)
     lycopene           

    D)
     erythrocyanin

    View Answer play_arrow
  • question_answer170) In which phase proteins for spindle fibre formation are synthesized?

    A)
     \[{{G}_{1}}-\]phase                      

    B)
     \[{{G}_{2}}-\]phase

    C)
     \[S-\]phase                      

    D)
     Anaphase

    View Answer play_arrow
  • question_answer171) Desert grasses often roll their leaves due to presence of

    A)
     oily surface      

    B)
     bulli form cells

    C)
     spines                                 

    D)
     None of these

    View Answer play_arrow
  • question_answer172) \[{{F}_{1}}\]particles are present in

    A)
     chloroplast        

    B)
     mitochondria

    C)
     ribosome           

    D)
     rough ER

    View Answer play_arrow
  • question_answer173) Sucrose, a common table sugar is composed of

    A)
     glucose + fructose

    B)
     glucose + galactose

    C)
     fructose + galactose

    D)
     None of the above

    View Answer play_arrow
  • question_answer174) Which is not true about sphaerosomes?

    A)
     Arise from ER

    B)
     Related to fat

    C)
     Single membrane bound structure

    D)
     Involved in photorespiration

    View Answer play_arrow
  • question_answer175) The species listed in Red Data book are

    A)
     threatened      

    B)
     endangered

    C)
     rare                                      

    D)
     All of these

    View Answer play_arrow
  • question_answer176) Inflorescence of family-Compositae is

    A)
     perianth             

    B)
     iodicule

    C)
     capitulum          

    D)
     hypanthodium

    View Answer play_arrow
  • question_answer177) Prokaryotic  ribosome  has  sedimentation coefficient of

    A)
    \[80S\]                                 

    B)
    \[70S\]

    C)
    \[40S\]                                 

    D)
    \[60S\]

    View Answer play_arrow
  • question_answer178) The condition where filaments and anthers are fused throughout the entire length is

    A)
     synandrous     

    B)
     gynandrous

    C)
     protandrous                     

    D)
     syngenesius

    View Answer play_arrow
  • question_answer179) In diot stem, vascular bundles are

    A)
     numerous scattered

    B)
     arranged in a ring

    C)
     without cambium

    D)
     surrounded by bundle sheath

    View Answer play_arrow
  • question_answer180) Neurons of people suffering from diabetes insipidus do not secrete

    A)
     enzyme              

    B)
     steroid

    C)
     fattyacid            

    D)
     ADH

    View Answer play_arrow
  • question_answer181) Insulin and glucagon are transported to target organ by

    A)
     lymph                                 

    B)
     blood

    C)
     pancreatic duct               

    D)
     cystic duct

    View Answer play_arrow
  • question_answer182) Which is false for nutrition in Amoeba?

    A)
     Omnivorous

    B)
     Pseudopodia feeder

    C)
     Holozoic nutrition

    D)
     Photoautotroph

    View Answer play_arrow
  • question_answer183) Ions that must be present for binding the cross bridges is

    A)
    \[N{{a}^{+}}\]                                   

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

    C)
    \[{{K}^{+}}\]                                      

    D)
    \[M{{g}^{+}}\]

    View Answer play_arrow
  • question_answer184) Dreaming occurs in

    A)
     \[\alpha -\]sleep            

    B)
     REM sleep

    C)
     deep sleep      

    D)
     slow wave sleep

    View Answer play_arrow
  • question_answer185) Study of behaviour of animal is called

    A)
     ethology            

    B)
     parapsychology

    C)
     euphenics         

    D)
     etiology

    View Answer play_arrow
  • question_answer186) Minamata disease is caused due to presence of ......... in water.

    A)
     cadmium           

    B)
     lead

    C)
     arsenic                                

    D)
     mercury

    View Answer play_arrow
  • question_answer187) Rain is called acid rain when its pH is below

    A)
     7                                            

    B)
     6.5

    C)
     6                                            

    D)
     5.6

    View Answer play_arrow
  • question_answer188) The immediate cause of induction of ovulation in female is the large plasma surge of

    A)
     progesterone                  

    B)
     estriadiol

    C)
     LH                                         

    D)
     FSH

    View Answer play_arrow
  • question_answer189) HIV virus affect......... in AIDS patient.

    A)
     cytotoxic T-cell                

    B)
     M-N cell

    C)
     suppressor cell                

    D)
     helper T-cells

    View Answer play_arrow
  • question_answer190) Which is incorrect?

    A)
     Wings of insects and birds are analogous

    B)
     Wings of insects and bats are analogous

    C)
     Wings of insects and birds are homologous

    D)
     Wings of bats and birds are homologous

    View Answer play_arrow
  • question_answer191) Dental formula of human being is

    A)
    \[{{I}_{2}},\,\,{{C}_{2}},\,\,{{P}_{1}},\,\,{{M}_{3}}\]         

    B)
    \[{{I}_{2}},\,\,{{C}_{1}},\,\,{{P}_{2}},\,\,{{M}_{3}}\]

    C)
    \[{{I}_{3}},\,\,{{C}_{1}},\,\,{{P}_{2}},\,\,{{M}_{2}}\]         

    D)
    \[{{I}_{2}},\,\,{{C}_{2}},\,\,{{P}_{3}},\,\,{{M}_{1}}\]

    View Answer play_arrow
  • question_answer192) Which is not correctly matched?

    A)
     Annedlida\[\to \]Enterocoelomate

    B)
     Platyhelminthes\[\to \]Acoelomate

    C)
     Arthropoda\[\to \]Schizocoelomate

    D)
     Nemathelminthes\[\to \]Pseudocoelomate

    View Answer play_arrow
  • question_answer193) Maximum net productivity in the terrestrial ecosystem is in

    A)
     rain forest

    B)
     deciduous forest

    C)
     mangrove plantation

    D)
     Both (a) and (b)

    View Answer play_arrow
  • question_answer194) ......... acts as a shock absorber to cushion when tibia and femur came together.

    A)
    ligament             

    B)
    cartilage

    C)
     tendon                               

    D)
     disc

    View Answer play_arrow
  • question_answer195) In higher vertebrates, SA nodes helps in

    A)
     conduction of blood

    B)
     initiation of heart beat

    C)
     opening of tricuspid valve

    D)
     opening of bicuspid valve

    View Answer play_arrow
  • question_answer196) Renin is secreted from

    A)
     juxtaglomerular cells

    B)
     podocytes

    C)
     nephridia

    D)
     stomach

    View Answer play_arrow
  • question_answer197) The law of limiting factors was proposed with particular reference to photosynthesis. Identify the scientist who proposed this law?

    A)
     Calvin                                  

    B)
     Weismann

    C)
     Emerson            

    D)
     Blackmann

    View Answer play_arrow
  • question_answer198) Osmoregulation in Paramecium is a function of

    A)
     contractile vacuole

    B)
     trichocysts

    C)
     cytopyge

    D)
     cytostome

    View Answer play_arrow
  • question_answer199) Which of the following is a day neutral plant?

    A)
     Helianthus annuus

    B)
     Euphorbia pulcherrima

    C)
     Avena sativa

    D)
     Betavulgaris

    View Answer play_arrow
  • question_answer200) Water vascular system found in

    A)
     Mollusca            

    B)
     Arthropoda

    C)
     Annelida            

    D)
     Echinodermata

    View Answer play_arrow

Study Package

   


You need to login to perform this action.
You will be redirected in 3 sec spinner