Solved papers for Punjab Medical Punjab - MET Solved Paper-1999

done Punjab - MET Solved Paper-1999 Total Questions - 200

• question_answer1) Tail of comet is because of
  A)
   sublimation of vapour in comet
  done clear
  B)
   vaporisation of water in comet
  done clear
  C)
   vaporisation of heat in comet
  done clear
  D)
   cooling of water in the comet
  done clear
  View Answer play_arrow

• question_answer2) The energy required to excite an electron from the ground state of hydrogen atom to the First excited state will be
  A)
  \[1.632\times {{10}^{-18}}\,\,V\]
  done clear
  B)
  \[1.612\times {{10}^{-14}}\,\,V\]
  done clear
  C)
  \[1.619\times {{10}^{-16}}\,\,V\]
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer3) Magnification of least distance of distinct vision of a simple microscope of focal length \[5\,\,cm\], will be
  A)
   6                                            
  done clear
  B)
   5
  done clear
  C)
   4                                            
  done clear
  D)
   2
  done clear
  View Answer play_arrow

• question_answer4) The resistance of an ideal voltmeter is
  A)
  \[500\Omega \]                               
  done clear
  B)
  \[100\Omega \]
  done clear
  C)
   infinity                                
  done clear
  D)
   zero
  done clear
  View Answer play_arrow

• question_answer5) Two inductors each of inductance \[L\] are connected in parallel. Their equivalent inductance will be
  A)
   zero                                     
  done clear
  B)
  \[\frac{L}{2}\]
  done clear
  C)
  \[2\,\,L\]                                             
  done clear
  D)
  \[L\]
  done clear
  View Answer play_arrow

• question_answer6) If an electron is brought towards another electron, then electric potential of the system
  A)
   remains same  
  done clear
  B)
   becomes zero
  done clear
  C)
   decrease                           
  done clear
  D)
   increases
  done clear
  View Answer play_arrow

• question_answer7) Velocity of sound in air is
  A)
   directly proportional to temperature
  done clear
  B)
   faster in dry air than in moisture
  done clear
  C)
   directly proportional to pressure
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer8) A cylinder contains \[10\,\,kg\] of gas at pressure of\[10\,\,N/{{m}^{2}}\]. The quantity of gas taken out of the cylinder, if final pressure is \[2.5\times {{10}^{6}}\,\,N/{{m}^{2}}\] will be (temperature of gas is constant)
  A)
  \[15.2\,\,kg\]                    
  done clear
  B)
  \[3.7\,\,kg\]
  done clear
  C)
  \[zero\]                                               
  done clear
  D)
  \[7.5\,\,kg\]
  done clear
  View Answer play_arrow

• question_answer9) Moment of inertia of a thin circular disc of mass \[M\] and radius \[R\] about any diameter is
  A)
  \[2M{{R}^{2}}\]               
  done clear
  B)
  \[M{{R}^{2}}\]
  done clear
  C)
  \[\frac{M{{R}^{2}}}{2}\]                               
  done clear
  D)
  \[\frac{M{{R}^{2}}}{4}\]
  done clear
  View Answer play_arrow

• question_answer10) Velocity of a body on reaching the point from which it was projected upward, will be
  A)
  \[v=u\]                
  done clear
  B)
  \[v=0.5\,\,u\]
  done clear
  C)
  \[v=0\]                
  done clear
  D)
  \[v=2u\]
  done clear
  View Answer play_arrow

• question_answer11) Retrograde means
  A)
   west to east rotation of all planets
  done clear
  B)
   east to west rotation of venus
  done clear
  C)
   east to west rotation of Uranus
  done clear
  D)
   both [b] and [c]
  done clear
  View Answer play_arrow

• question_answer12) Number of electrons, having one coulomb of charge is
  A)
  \[6.25\times {{10}^{18}}\]                           
  done clear
  B)
  \[5.26\times {{10}^{28}}\]
  done clear
  C)
  \[1.6\times {{10}^{19}}\]                             
  done clear
  D)
  \[1.6\times {{10}^{21}}\]
  done clear
  View Answer play_arrow

• question_answer13) A plane convex lens is made of refractive index\[1.6\]. The radius of curvature of the curved surface is\[60\,\,cm\]. Then, the focal length of the lens will be
  A)
  \[400\,\,cm\]                    
  done clear
  B)
  \[200\,\,cm\]
  done clear
  C)
  \[100\,\,cm\]                    
  done clear
  D)
  \[50\,\,cm\]
  done clear
  View Answer play_arrow

• question_answer14) If the magnet of length \[10\,\,cm\] and pole strength \[40\,\,Am\] is placed at an angle of \[{{45}^{o}}\] in an uniform induction field of intensity \[2\times {{10}^{-4}}\]tesla. The couple acting on it will be
  A)
  \[0.656\times {{10}^{-5}}\,\,N\text{-}m\]
  done clear
  B)
  \[0.656\times {{10}^{-4}}\,\,N\text{-}m\]
  done clear
  C)
  \[0.5656\times {{10}^{-4}}\,\,N\text{-}m\]
  done clear
  D)
  \[0.5656\times {{10}^{-3}}\,\,N\text{-}m\]
  done clear
  View Answer play_arrow

• question_answer15) Charge \[{{q}_{2}}\] is at the centre of a circular path of radius\[r\]. Work done in carrying charge \[{{q}_{1}}\], one around this equipotential path, would be
  A)
  \[66\]                                   
  done clear
  B)
  \[44\]
  done clear
  C)
  \[22\]                                   
  done clear
  D)
  \[zero\]
  done clear
  View Answer play_arrow

• question_answer16) When a dielectric material is introduced between plates of a charged condenser, then electric Field between the plates.
  A)
   remain constant
  done clear
  B)
   decreases
  done clear
  C)
   increases
  done clear
  D)
   first (c) then (b)
  done clear
  View Answer play_arrow

• question_answer17) The frequency of rod is\[200\,\,Hz\]. If the velocity of sound in air is\[340\,\,m/s\]. Then the wavelength of the produced sound is
  A)
  \[6.8\,\,cm\]                     
  done clear
  B)
  \[1.7\,\,cm\]
  done clear
  C)
  \[6.8\,\,cm\]                     
  done clear
  D)
  \[1.7\,\,m\]
  done clear
  View Answer play_arrow

• question_answer18) Density of substance at \[{{0}^{o}}C\] is \[10\,\,g/cc\] and at\[{{100}^{o}}C\], its density is\[9.7\,\,g/cc\]. The coefficient of linear expansion of the substance will be
  A)
  \[{{10}^{2}}\]                                    
  done clear
  B)
  \[{{10}^{-2}}\]
  done clear
  C)
  \[{{10}^{-3}}\]                                  
  done clear
  D)
  \[{{10}^{-4}}\]
  done clear
  View Answer play_arrow

• question_answer19) A body of mass \[5\,\,kg\] moving with a velocity \[10\,\,m/s\] collides with another body of the mass \[20\,\,kg\] at rest and conies to rest. The velocity of second due to collision will be
  A)
  \[10\,\,m/s\]                    
  done clear
  B)
  \[7.5\,\,m/s\]
  done clear
  C)
  \[2.5\,\,m/s\]                   
  done clear
  D)
  \[5\,\,m/s\]
  done clear
  View Answer play_arrow

• question_answer20) The angular speed of a fly wheel making 180 revolutions/minute will be
  A)
  \[6\,\pi \,\,rad/\sec \]
  done clear
  B)
  \[12\,\pi \,\,rad/\sec \]
  done clear
  C)
  \[2\,\,\pi \,\,rad/\sec \]
  done clear
  D)
  \[\pi \,\,rad/\sec \]
  done clear
  View Answer play_arrow

• question_answer21) In case of a semi-conductor, which of the following statement is wrong?
  A)
   At absolute zero temperature, it behave like a conductor
  done clear
  B)
   Resistivity is in between that of a conductor and insulator.
  done clear
  C)
   Doping increases conductivity
  done clear
  D)
   Temperature coefficient of resistance is negative
  done clear
  View Answer play_arrow

• question_answer22) The \[X-\]ray cannot be diffracted by means of ordinary grating due to
  A)
   large wavelength
  done clear
  B)
   short wavelength
  done clear
  C)
   high speed
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer23) The time taken by the light to cross a glass of thickness \[4\,\,mm\] and refractive index\[\mu =3\], is
  A)
  \[4\times {{10}^{-11}}\sec \]                      
  done clear
  B)
  \[8\times {{10}^{-10}}\sec \]
  done clear
  C)
  \[2\times {{10}^{-11}}\sec \]                      
  done clear
  D)
  \[1\times {{10}^{-11}}\sec \]
  done clear
  View Answer play_arrow

• question_answer24) The radius of circular path of an electron when subjected to a perpendicular magnetic field, will be
  A)
  \[\frac{mv}{Be}\]                                            
  done clear
  B)
  \[\frac{me}{B}\]
  done clear
  C)
  \[\frac{mE}{B}\]                                              
  done clear
  D)
  \[\frac{Be}{mv}\]
  done clear
  View Answer play_arrow

• question_answer25) Three capacitors of capacitance\[3\mu F\], \[10\mu F\] and \[15\mu F\] are joined in series to a voltage source of\[100\,\,V\]. The charge on \[15\mu F\] will be
  A)
  \[280\]                                 
  done clear
  B)
  \[50\,\,\mu C\]
  done clear
  C)
  \[100\,\,\mu C\]                              
  done clear
  D)
  \[200\,\,\mu C\]
  done clear
  View Answer play_arrow

• question_answer26) Electromotive force is the force which is able to maintain a constant
  A)
   potential difference
  done clear
  B)
   power
  done clear
  C)
   current
  done clear
  D)
   resistance
  done clear
  View Answer play_arrow

• question_answer27) Two waves are approaching each other with a velocity of \[20\,\,m/s\] and frequency\[n\], then the distance between two consecutive nodes will be
  A)
  \[\frac{10}{n}\]                                
  done clear
  B)
  \[\frac{5}{n}\]
  done clear
  C)
  \[\frac{n}{5}\]                                  
  done clear
  D)
  \[\frac{20}{n}\]
  done clear
  View Answer play_arrow

• question_answer28) In order that the heat flow from one part of a solid to another part, the required property is
  A)
   uniform temperature
  done clear
  B)
   temperature gradient
  done clear
  C)
   density of radiant
  done clear
  D)
   density gradient
  done clear
  View Answer play_arrow

• question_answer29) If the momentum of the body is increased\[100%\]. Then the percentage increase in the kinetic energy will be
  A)
  \[300%\]                             
  done clear
  B)
  \[150%\]
  done clear
  C)
  \[75%\]                               
  done clear
  D)
  \[200%\]
  done clear
  View Answer play_arrow

• question_answer30) If\[|\overset{\to }{\mathop{A}}\,\times \overset{\to }{\mathop{B}}\,|=|\overset{\to }{\mathop{A}}\,.\overset{\to }{\mathop{B}}\,|\]then the angle between\[\overset{\to }{\mathop{A}}\,\]and\[\overset{\to }{\mathop{B}}\,\]is
  A)
  \[{{90}^{o}}\]                                    
  done clear
  B)
  \[{{60}^{o}}\]
  done clear
  C)
  \[{{45}^{o}}\]                                    
  done clear
  D)
  \[{{30}^{o}}\]
  done clear
  View Answer play_arrow

• question_answer31) The potential barrier in the depletion layer is because of
  A)
   electrons           
  done clear
  B)
   ions
  done clear
  C)
   holes                                   
  done clear
  D)
   both (a) and (c)
  done clear
  View Answer play_arrow

• question_answer32) A tank is filled with benzene to a height of\[120\,\,mm\]. The apparent depth of a needle lying at a bottom of the tank is measured by a microscope to be\[80\,\,mm\]. Then the refractive index of benzene will be
  A)
  \[4.5\]                                  
  done clear
  B)
  \[3\]
  done clear
  C)
  \[.75\]                                  
  done clear
  D)
  \[1.5\]
  done clear
  View Answer play_arrow

• question_answer33) In an apparatus, the electric field was found to oscillate with an amplitude of\[18\,\,V/m\]. The magnitude of the oscillating magnetic field is
  A)
  \[6\times {{10}^{-8}}tesla\]                        
  done clear
  B)
  \[3\times {{10}^{-8}}tesla\]
  done clear
  C)
  \[12\times {{10}^{-8}}tesla\]      
  done clear
  D)
  \[9\times {{10}^{-8}}tesla\]
  done clear
  View Answer play_arrow

• question_answer34) The intensity of magnetic field is \[H\] and moment of magnet is\[M\]. Then the maximum potential energy will be
  A)
  \[4MH\]                              
  done clear
  B)
  \[3MH\]
  done clear
  C)
  \[2MH\]                              
  done clear
  D)
  \[MH\]
  done clear
  View Answer play_arrow

• question_answer35) There are six identical cells each cell having an electromotive force (emf) of\[6\,\,volt\], which are joined in parallel. Then the resultant emf of the combination will be
  A)
  \[13\,\,V\]                                         
  done clear
  B)
  \[\frac{1}{6}V\]
  done clear
  C)
  \[12\,\,V\]                                         
  done clear
  D)
  \[6\,\,V\]
  done clear
  View Answer play_arrow

• question_answer36) In a given network capacitor \[{{C}_{1}}=10\,\,\mu F,\,\,{{C}_{2}}=\mu F,\], and\[{{C}_{3}}=4\,\,\mu F\]. The equivalent capacitance between \[PQ\] will be
  A)
  \[1.6\,\,\mu F\]                               
  done clear
  B)
  \[3.2\,\,\mu F\]
  done clear
  C)
  \[6.4\,\,\mu F\]                               
  done clear
  D)
  \[4.5\,\,\mu F\]
  done clear
  View Answer play_arrow

• question_answer37) A tuning fork produces wave in a medium. If the temperature of the medium change, then which of the following will change?
  A)
   Time period      
  done clear
  B)
   Amplitude
  done clear
  C)
   Frequency        
  done clear
  D)
   Wavelength
  done clear
  View Answer play_arrow

• question_answer38) A hydraulic lift is designed to lift cars of maximum mass of\[3000\,\,kg\]. The area of cross section of the piston carrying the load is\[4.25\times {{10}^{-2}}{{m}^{2}}\]. Then, the maximum pressure would the smaller piston have to bear, is
  A)
  \[7.82\times {{10}^{7}}\,\,N/{{m}^{2}}\]
  done clear
  B)
  \[6.92\times {{10}^{5}}\,\,N/{{m}^{2}}\]
  done clear
  C)
  \[13.76\times {{10}^{5}}\,\,N/{{m}^{2}}\]
  done clear
  D)
  \[9.63\,\,N/{{m}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer39) If the mass of the earth is \[80\] times of that of planet and diameter is double that of planet and \[g\] on earth\[9.8\,\,m/{{s}^{2}}\]. Then, the value of \[g\] on the planet will be
  A)
  \[0.49\,\,m/{{s}^{2}}\]                  
  done clear
  B)
  \[4.9\,\,m/{{s}^{2}}\]
  done clear
  C)
  \[0.98\,\,m/{{s}^{2}}\]                  
  done clear
  D)
  \[9.8\,\,m/{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer40) The number of significant figures in \[5418000\] are
  A)
  \[7\]                                     
  done clear
  B)
  \[6\]
  done clear
  C)
  \[5\]                                     
  done clear
  D)
  \[4\]
  done clear
  View Answer play_arrow

• question_answer41) According to Moseleys law, frequency of a spectral line in \[X-\]rays spectrum varies as
  A)
   fourth power of the atomic number of the element
  done clear
  B)
   square root of atomic number of the element
  done clear
  C)
   square of the atomic number of the element
  done clear
  D)
   atomic number of the element
  done clear
  View Answer play_arrow

• question_answer42) If in Rams dens eye piece, the field lens and eye lens have focal length \[{{f}_{1}}\] and \[{{f}_{2}}\] respectively and separated by a distance \[d\] then
  A)
  \[{{f}_{1}}={{f}_{2}}\]and\[d=\frac{2}{3}{{f}_{1}}\]
  done clear
  B)
  \[{{f}_{1}}=3{{f}_{2}}\]and\[d={{f}_{1}}+{{f}_{2}}\]
  done clear
  C)
  \[{{f}_{1}}={{f}_{2}}\]and\[d={{f}_{1}}+{{f}_{2}}\]
  done clear
  D)
  \[{{f}_{1}}=\frac{2}{3}{{f}_{2}}\]and\[d=\frac{2}{3}{{f}_{1}}\]
  done clear
  View Answer play_arrow

• question_answer43) The magnetic material, which moves from stronger to weaker part of the magnetic field, then it is known as
  A)
   anti-ferromagnetic
  done clear
  B)
   ferromagnetic
  done clear
  C)
   paramagnetic
  done clear
  D)
   diamagnetic
  done clear
  View Answer play_arrow

• question_answer44) The magnetic field along axis at a point at a distance d of a short, bar magnet will be
  A)
  \[\frac{{{\mu }_{0}}}{3\pi }\times \frac{M}{{{d}^{3}}}\]                 
  done clear
  B)
  \[\frac{{{\mu }_{0}}}{\pi }\times \frac{M}{{{d}^{3}}}\]
  done clear
  C)
  \[\frac{{{\mu }_{0}}}{2\pi }\times \frac{M}{{{d}^{3}}}\]                 
  done clear
  D)
  \[\frac{{{\mu }_{0}}}{4\pi }\times \frac{M}{{{d}^{3}}}\]
  done clear
  View Answer play_arrow

• question_answer45) Frequency range of audible sound is
  A)
  \[20\,\,MHz-200\,\,MHz\]
  done clear
  B)
  \[20\,\,kHz-20\,\,MHz\]
  done clear
  C)
  \[20\,\,Hz-20\,\,kHz\]
  done clear
  D)
  \[0\,\,Hz-200\,\,Hz\]
  done clear
  View Answer play_arrow

• question_answer46) A tape-recorder records sound in the form of
  A)
   variable resistance on the tape
  done clear
  B)
   magnetic energy
  done clear
  C)
   magnetic field on the tape
  done clear
  D)
   electrical energy
  done clear
  View Answer play_arrow

• question_answer47) A monoatomic gas is suddenly compressed to\[\frac{1}{8}\text{th}\]of its volume adiabatically. The ratio of first pressure of the gas to that of original pressure will be
  A)
  \[128\,\,times\]                               
  done clear
  B)
  \[32\,\,times\]
  done clear
  C)
  \[8\,\,times\]                   
  done clear
  D)
  \[16\,\,times\]
  done clear
  View Answer play_arrow

• question_answer48) If in a wire of Youngs modulus\[Y\], longitudinal strain \[X\] is produced. Then the potential energy stored in its unit volume is
  A)
  \[0.5\,\,Y{{X}^{2}}\]                       
  done clear
  B)
  \[0.5\,\,{{Y}^{2}}X\]
  done clear
  C)
  \[Y{{X}^{2}}\]                                    
  done clear
  D)
  \[2\,\,Y{{X}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer49) A boy of \[50\,\,kg\] is standing in a lift moving down with an acceleration\[9.8\,\,m/{{s}^{2}}\]. The apparent weight of the boy will be
  A)
  \[50/9.8\,\,N\]                 
  done clear
  B)
  \[50\times 9.8\,\,N\]
  done clear
  C)
  \[50\,\,N\]                         
  done clear
  D)
  \[zero\]
  done clear
  View Answer play_arrow

• question_answer50) If \[C\] and \[R\] denote capacitance and resistance then the dimensions of \[CR\] are
  A)
  \[[{{M}^{0}}L{{T}^{0}}{{A}^{-1}}]\]                          
  done clear
  B)
  \[[ML{{T}^{6}}{{A}^{2}}]\]
  done clear
  C)
  \[[M{{L}^{0}}T{{A}^{-2}}]\]                         
  done clear
  D)
  \[[{{M}^{0}}{{L}^{0}}T{{A}^{0}}]\]
  done clear
  View Answer play_arrow

• question_answer51) Galvanization process involves
  A)
  \[Zn\]                                   
  done clear
  B)
  \[Cu\]
  done clear
  C)
  \[Ag\]                                  
  done clear
  D)
  \[Fe\]
  done clear
  View Answer play_arrow

• question_answer52) The number of water molecules in gypsum and plaster of Paris respectively are
  A)
   1/2 and 2           
  done clear
  B)
   2 and ½
  done clear
  C)
   2 and 1                                
  done clear
  D)
   5 and 2
  done clear
  View Answer play_arrow

• question_answer53) Which of the following will not displace hydrogen?
  A)
  \[Hg\]                                  
  done clear
  B)
  \[Sn\]
  done clear
  C)
  \[Pb\]                                  
  done clear
  D)
  \[Ba\]
  done clear
  View Answer play_arrow

• question_answer54) A certain sample of gas has a volume of \[0.2\] litre measured at\[1\,\,atm\]. Pressure and\[{{0}^{o}}C\]. At the same pressure at \[{{273}^{o}}C\], its volume will be
  A)
  \[1.4\,\,litre\]                   
  done clear
  B)
  \[1.8\,\,litre\]
  done clear
  C)
  \[0.4\,\,litre\]                   
  done clear
  D)
  \[0.8\,\,litre\]
  done clear
  View Answer play_arrow

• question_answer55) Hess  law  is  applicable  for  the determination of the heat of
  A)
   transition           
  done clear
  B)
   formation
  done clear
  C)
   reaction                             
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer56) The \[pH\] value of\[HCl({{10}^{-12}}M)\]is
  A)
  \[-7\]                                    
  done clear
  B)
  \[7\]
  done clear
  C)
  \[12\]                                   
  done clear
  D)
  \[-12\]
  done clear
  View Answer play_arrow

• question_answer57) In radioactive decay, the emitted electrons, come from
  A)
   inner orbital of the atom
  done clear
  B)
   orbit having principle quantum number one
  done clear
  C)
   outer most orbit of the atom
  done clear
  D)
   nucleus of the atom
  done clear
  View Answer play_arrow

• question_answer58) Hydrolysis of sucrose is called
  A)
   saponification  
  done clear
  B)
   inversion
  done clear
  C)
   hydration          
  done clear
  D)
   esterification
  done clear
  View Answer play_arrow

• question_answer59) In carbonium ion the carbon bearing the positive charge is
  A)
   \[s{{p}^{2}}\] hybridized
  done clear
  B)
   \[s{{p}^{3}}d\] hybridized
  done clear
  C)
   \[sp\]hybridized
  done clear
  D)
   \[s{{p}^{3}}\]hybridized
  done clear
  View Answer play_arrow

• question_answer60) The number of unpaired electrons in \[M{{n}^{+2}}\] is
  A)
  \[4\]                                     
  done clear
  B)
  \[5\]
  done clear
  C)
  \[3\]                                     
  done clear
  D)
  \[1\]
  done clear
  View Answer play_arrow

• question_answer61) Which of the following is formed by the action of water on sodium peroxide?
  A)
  \[{{N}_{2}}\]                                     
  done clear
  B)
  \[C{{O}_{2}}\]
  done clear
  C)
  \[{{H}_{2}}\]                                      
  done clear
  D)
  \[{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer62) The total structural isomers of \[{{C}_{4}}{{H}_{10}}O\] are
  A)
  \[2\]                                     
  done clear
  B)
  \[7\]
  done clear
  C)
  \[5\]                                     
  done clear
  D)
  \[4\]
  done clear
  View Answer play_arrow

• question_answer63) The bond order of nitrogen molecule is:
  A)
  \[4\]                                     
  done clear
  B)
  \[1\]
  done clear
  C)
  \[7\]                                     
  done clear
  D)
  \[3\]
  done clear
  View Answer play_arrow

• question_answer64) In laboratory silicon can be prepared by the reaction of
  A)
   by heating carbon in electric furnace
  done clear
  B)
   by heating potassium fluosilicate with potassium
  done clear
  C)
   silica with magnesium
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer65) The average kinetic energy of an ideal gas, per molecule at \[{{25}^{o}}C\] will be
  A)
  \[6.17\times {{10}^{-21}}J\]                        
  done clear
  B)
  \[6.17\times {{10}^{-20}}J\]
  done clear
  C)
  \[61.7\times {{10}^{-21}}J\]                        
  done clear
  D)
  \[7.16\times {{10}^{-20}}J\]
  done clear
  View Answer play_arrow

• question_answer66) In a gas phase reaction: \[{{C}_{2}}{{H}_{4}}+{{H}_{2}}={{C}_{2}}{{H}_{6}}\], equilibrium constant can be expressed in
  A)
  \[mole.litr{{e}^{-1}}\]
  done clear
  B)
  \[mol{{e}^{2}}.litr{{e}^{-2}}\]
  done clear
  C)
  \[litre.mol{{e}^{-1}}\]
  done clear
  D)
  \[litr{{e}^{-1}}.mol{{e}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer67) The frequency of a wave of light is\[12\times {{10}^{14}}{{s}^{-1}}\]. The wave number associated with this light is.
  A)
  \[5\times {{10}^{-7}}m\]                              
  done clear
  B)
  \[4\times {{10}^{-8}}c{{m}^{-1}}\]
  done clear
  C)
  \[2\times {{10}^{-7}}{{m}^{-1}}\]                             
  done clear
  D)
  \[4\times {{10}^{4}}c{{m}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer68) Crystalline solids are
  A)
   plastic                                 
  done clear
  B)
   sugar
  done clear
  C)
   rubber                                
  done clear
  D)
   glass
  done clear
  View Answer play_arrow

• question_answer69) Which of the following is the example of chain growth polymer?
  A)
   Bakclite      
  done clear
  B)
   Teflon
  done clear
  C)
   Terylene      
  done clear
  D)
   Nylon\[-66\]
  done clear
  View Answer play_arrow

• question_answer70) Which one of the following statements is true for a electrochemical cell?
  A)
   \[{{H}_{2}}\] is cathode and \[Cu\] is anode
  done clear
  B)
   Oxidation occurs at \[Cu\] electrode
  done clear
  C)
   \[{{H}_{2}}\] is anode and \[Cu\] is cathode
  done clear
  D)
   reduction occurs at \[{{H}_{2}}\] electrode
  done clear
  View Answer play_arrow

• question_answer71) Leucine amino acids is the
  A)
   non-essential  
  done clear
  B)
   aromatic
  done clear
  C)
   basic                                    
  done clear
  D)
   essential
  done clear
  View Answer play_arrow

• question_answer72) Electronic configuration\[1{{s}^{2}},\,\,2{{s}^{2}}2{{p}_{x}}^{1}2{{p}_{y}}^{1}2{{p}_{z}}^{1}\]represents which of the following elements?
  A)
   Hydrogen          
  done clear
  B)
   Oxygen
  done clear
  C)
   Fluorine                             
  done clear
  D)
   Nitrogen
  done clear
  View Answer play_arrow

• question_answer73) If the compound contains\[C,\,\,H\]and halogen. When \[C\] and \[H\] are to be estimated the combustion tube at the exist should contain a
  A)
   copper spiral    
  done clear
  B)
   silver spiral
  done clear
  C)
   iron spiral                          
  done clear
  D)
   lead spiral
  done clear
  View Answer play_arrow

• question_answer74) Which decolorize aqueous bromine and gives white fumes of \[HCl\] on reaction with\[PC{{l}_{5}}\]
  A)
  \[C{{H}_{3}}COC{{H}_{2}}CH=C{{H}_{2}}\]
  done clear
  B)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}CH\]
  done clear
  C)
  \[C{{H}_{3}}CH=CHC{{H}_{2}}C{{H}_{2}}OH\]
  done clear
  D)
  \[C{{H}_{3}}OC{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}OH\]
  done clear
  View Answer play_arrow

• question_answer75) In\[C{{H}_{2}}C{{l}_{2}}\], the oxidation number of \[C\] is
  A)
  \[+2\]                                   
  done clear
  B)
  \[-4\]
  done clear
  C)
  \[0\]                                     
  done clear
  D)
  \[+4\]
  done clear
  View Answer play_arrow

• question_answer76) Alcohols of low molecular weight are
  A)
   soluble in water
  done clear
  B)
   soluble, in all solvents
  done clear
  C)
   insoluble in all solvents
  done clear
  D)
   soluble in water on heating
  done clear
  View Answer play_arrow

• question_answer77) The glucose is an example of
  A)
   aldohexose
  done clear
  B)
   ketohexose
  done clear
  C)
   disaccharide
  done clear
  D)
   non-reducing sugar
  done clear
  View Answer play_arrow

• question_answer78) A piece of wood was found to have \[{{C}^{14}}/{{C}^{12}}\] ratio \[0.7\] times that in a living plant. The time period when the plant died is (half-life of\[{{C}^{14}}=5760\,\,yr\])
  A)
  \[2980\,\,yr\]                    
  done clear
  B)
  \[3070\,\,yr\]
  done clear
  C)
  \[2966\,\,yr\]                    
  done clear
  D)
  \[2770\,\,yr\]
  done clear
  View Answer play_arrow

• question_answer79) The rate of a reaction depends upon the
  A)
   concentration of reactant
  done clear
  B)
   pressure
  done clear
  C)
   volume
  done clear
  D)
   force
  done clear
  View Answer play_arrow

• question_answer80) The rate constant of a first order reaction is \[3\times {{10}^{-6}}\] per second. If the initial concentration is \[0.10\,\,M\], the initial rate of reaction is
  A)
  \[3\times {{10}^{-6}}\,\,M{{s}^{-1}}\]
  done clear
  B)
  \[3\times {{10}^{-8}}\,\,M{{s}^{-1}}\]
  done clear
  C)
  \[3\times {{10}^{-5}}\,\,M{{s}^{-1}}\]
  done clear
  D)
  \[3\times {{10}^{-7}}\,\,M{{s}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer81) Which of the following electronic configurations corresponds to an elements with the lowest ionization energy?
  A)
  \[1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{6}}\]
  done clear
  B)
  \[1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{6}},\,\,3{{s}^{1}}\]
  done clear
  C)
  \[1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{5}}\]
  done clear
  D)
  \[1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer82) The number of electrons and neutrons of an element is \[18\] and \[20\] respectively. Its mass number is
  A)
  \[37\]                                   
  done clear
  B)
  \[38\]
  done clear
  C)
  \[9\]                                     
  done clear
  D)
  \[22\]
  done clear
  View Answer play_arrow

• question_answer83) The bond length between the hybridised carbon atom and other carbon atom is minimum in
  A)
   butane                               
  done clear
  B)
   propyne
  done clear
  C)
   propene                            
  done clear
  D)
   propane
  done clear
  View Answer play_arrow

• question_answer84) Bleaching powder is obtained by treating chlorine with.
  A)
  \[CaC{{O}_{3}}\]                              
  done clear
  B)
  \[CaS{{O}_{4}}\]
  done clear
  C)
  \[CaO\]               
  done clear
  D)
  \[Ca{{(OH)}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer85) The oxide which gives hydrogen peroxide \[({{H}_{2}}{{O}_{2}})\] on the treatment with a dilute acid \[({{H}_{2}}S{{O}_{4}})\] is
  A)
  \[Mn{{O}_{2}}\]                              
  done clear
  B)
  \[Pb{{O}_{2}}\]
  done clear
  C)
  \[N{{a}_{2}}{{O}_{2}}\]                 
  done clear
  D)
  \[Ti{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer86) Stainless steel contains iron and
  A)
  \[Fe+Cr+Ni\]                     
  done clear
  B)
  \[Cr+Ni\]
  done clear
  C)
  \[Cr+Zn\]                            
  done clear
  D)
  \[Zn+Pb\]
  done clear
  View Answer play_arrow

• question_answer87) Highest percentage of carbon is found in
  A)
   anthracite         
  done clear
  B)
   peat
  done clear
  C)
   lignite                                  
  done clear
  D)
   bituminous
  done clear
  View Answer play_arrow

• question_answer88) Which of the following has minimum freezing point?
  A)
  \[0.1\,\,M\,\,{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]         
  done clear
  B)
  \[0.1\,\,M\,\,N{{H}_{4}}Cl\]
  done clear
  C)
  \[0.1\,\,M\,\,BaS{{O}_{4}}\]      
  done clear
  D)
  \[0.1\,\,M\,\,A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer89) Tyndall effect is shown by
  A)
   solution                              
  done clear
  B)
   precipitation
  done clear
  C)
   sol                                        
  done clear
  D)
   plasma
  done clear
  View Answer play_arrow

• question_answer90) The oxidation number of chromium in potassium dichromate \[({{K}_{2}}C{{r}_{2}}{{O}_{7}})\], is
  A)
  \[+2\]                                   
  done clear
  B)
  \[+6\]
  done clear
  C)
  \[+4\]                                   
  done clear
  D)
  \[+8\]
  done clear
  View Answer play_arrow

• question_answer91) \[AlC{{l}_{3}}\] acts as Lewis acid because it is
  A)
   an electron donor
  done clear
  B)
   proton donor
  done clear
  C)
   proton acceptor
  done clear
  D)
   electron pair acceptor
  done clear
  View Answer play_arrow

• question_answer92) Acetylene  hydrocarbons  are acidic because
  A)
   acetylene contains least number of hydrogen atoms among the possible.
  done clear
  B)
   acetylene has only one hydrogen atom at each carbon atom
  done clear
  C)
   acetylene belongs to the class of alkynes with formula\[{{C}_{n}}{{H}_{2\,\,n-2}}\]
  done clear
  D)
   Sigma electron density of\[C-H\] bond in acetylene is nearer a carbon which has \[50%\,\,S-\]character
  done clear
  View Answer play_arrow

• question_answer93) \[n-\]propyl alcohol and isopropyl alcohol are
  A)
   position isomers
  done clear
  B)
   chain isomers
  done clear
  C)
   tautomers
  done clear
  D)
   geometrical isomers
  done clear
  View Answer play_arrow

• question_answer94) \[C{{H}_{3}}COCl\]reacts with
  A)
  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]
  done clear
  B)
   salicylic acid
  done clear
  C)
  \[{{C}_{6}}{{H}_{5}}OH\]
  done clear
  D)
   all
  done clear
  View Answer play_arrow

• question_answer95) \[x\xrightarrow{{}}\]Benzotrichloride\[+y,\,\,x\]and\[y\] respectively.
  A)
   benzene, benzaldehyde
  done clear
  B)
   toluene, benzaldehyde
  done clear
  C)
   toluene, benzoic acid
  done clear
  D)
   benzene, benzonic acid
  done clear
  View Answer play_arrow

• question_answer96) Chemically soap is
  A)
   salt                                       
  done clear
  B)
   acid
  done clear
  C)
   none                                   
  done clear
  D)
   base
  done clear
  View Answer play_arrow

• question_answer97) The process, in which no heat enters or leaves the system, is termed as
  A)
   isobaric                               
  done clear
  B)
   isochoric
  done clear
  C)
   adiabatic                            
  done clear
  D)
   isothermal
  done clear
  View Answer play_arrow

• question_answer98) Which of the following information can be obtained on the basis of Le Chateliers principle?
  A)
   Dissociation constant of a weak acid
  done clear
  B)
   Entrophy change in a reaction
  done clear
  C)
   Shift in equilibrium position on changing value of a constant
  done clear
  D)
   Equilibrium constant of a chemical reaction
  done clear
  View Answer play_arrow

• question_answer99) If enthalpies of formation for \[{{C}_{2}}{{H}_{4}}(g),\,\,C{{O}_{2}}(g)\]and\[{{H}_{2}}O\,\,(l)\]at\[{{25}^{o}}C\] and \[1\,\,atm\] pressure are\[52,\] \[-394\] and\[-286\,\,kJ/mol\] respectively, then total enthalpy of combustion is
  A)
  \[+1412\,\,kJ/mol\]
  done clear
  B)
  \[+141.2\,\,kJ/mol\]
  done clear
  C)
  \[-141.2\,\,kJ/mol\]
  done clear
  D)
  \[-14.2\,\,kJ/mol\]
  done clear
  View Answer play_arrow

• question_answer100) Formaldehyde gives an additive product with methyl megnesium iodide which on aqueous hydrolysis gives?
  A)
   methyl alcohol
  done clear
  B)
   isopropyl alcohol
  done clear
  C)
   propyl alcohol
  done clear
  D)
   ethyl alcohol
  done clear
  View Answer play_arrow

• question_answer101) Penicillium belongs to class
  A)
   Basidiomycetes
  done clear
  B)
   Ascomycetes
  done clear
  C)
   Duteromycetes
  done clear
  D)
   Phycomycetes
  done clear
  View Answer play_arrow

• question_answer102) Atmospheric \[{{N}_{3}}\] fixation is carried on by
  A)
   Anabaena
  done clear
  B)
   Funaria
  done clear
  C)
   Chlamydomonas
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer103) The protein coat of virus is known as
  A)
   chromomere  
  done clear
  B)
   capsid
  done clear
  C)
   chromophore 
  done clear
  D)
   capsomere
  done clear
  View Answer play_arrow

• question_answer104) In mitochondria cristae act as sites for
  A)
   lipid synthesis
  done clear
  B)
   protein synthesis
  done clear
  C)
   fat synthesis
  done clear
  D)
   oxidation reduction reaction
  done clear
  View Answer play_arrow

• question_answer105) During \[DNA\] replication, the term leading strand is applied to the one which replicates in
  A)
   \[5\to 3\]direction discontinuously
  done clear
  B)
   \[3\to 5\]direction continuously
  done clear
  C)
   \[5\to 3\]direction continuously
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer106) Insectivorous plants eat the insects for
  A)
   phosphorus      
  done clear
  B)
   calcium
  done clear
  C)
   nitrogen                             
  done clear
  D)
   sulphur
  done clear
  View Answer play_arrow

• question_answer107) Which pigment responsible for photomorphogenetic response?
  A)
   Phytochrome  
  done clear
  B)
   Chlorophyll-a
  done clear
  C)
   Chlorophyll-b   
  done clear
  D)
   Xanthophyll
  done clear
  View Answer play_arrow

• question_answer108) Phosphorus is a structural element in
  A)
   nucleotide        
  done clear
  B)
   fat
  done clear
  C)
   lipid                                      
  done clear
  D)
   starch
  done clear
  View Answer play_arrow

• question_answer109) The sun loving plants are called
  A)
   xerophyte         
  done clear
  B)
   hydrophyte
  done clear
  C)
   heliophytic        
  done clear
  D)
   halophytes
  done clear
  View Answer play_arrow

• question_answer110) Anaerobic  breakdown  of biomass produced biogas by methanogenic bacteria. It is a
  A)
   two-step process
  done clear
  B)
   one step process
  done clear
  C)
   four step process
  done clear
  D)
   three step process
  done clear
  View Answer play_arrow

• question_answer111) The name of Temin and Baltimore is associated with
  A)
   DNA replication
  done clear
  B)
   reverse transcription
  done clear
  C)
   photorespiration
  done clear
  D)
   RNA synthesis
  done clear
  View Answer play_arrow

• question_answer112) The technique of growing plants, in water culture, is called
  A)
   tissue culture   
  done clear
  B)
   aero culture
  done clear
  C)
   hydroponics     
  done clear
  D)
   cell culture
  done clear
  View Answer play_arrow

• question_answer113) What sound level is considered hazardous noise pollution?
  A)
   Above\[80\,\,dB\]
  done clear
  B)
   Below\[60\,\,dB\]
  done clear
  C)
   Above\[130\,\,dB\]
  done clear
  D)
   Above\[140\,\,dB\]
  done clear
  View Answer play_arrow

• question_answer114) The soil erosion can be prevented by
  A)
   deforestation                  
  done clear
  B)
   afforestation
  done clear
  C)
   over grazing     
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer115) In plant disease control, the latest trend is
  A)
   chemical control
  done clear
  B)
   mechanical control
  done clear
  C)
   biological control
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer116) Which type of DNA is found in bacteria?
  A)
   Helical DNA
  done clear
  B)
   Membrane bound DNA
  done clear
  C)
   Straight DNA
  done clear
  D)
   Circular free DNA
  done clear
  View Answer play_arrow

• question_answer117) Hargovind Khorana was awarded the Nobel Prize for
  A)
   gene synthesis
  done clear
  B)
   discovery of bacteria
  done clear
  C)
   genetic code
  done clear
  D)
   protein synthesis
  done clear
  View Answer play_arrow

• question_answer118) The enzyme that converts glucose to glucose 6-phosphate is
  A)
   phosphorylase                
  done clear
  B)
   phosphatase
  done clear
  C)
   hexokinase       
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer119) Photophosphorylation was discovered by
  A)
   Hill          
  done clear
  B)
   Arnon
  done clear
  C)
   Jolly          
  done clear
  D)
   Dixon
  done clear
  View Answer play_arrow

• question_answer120) Which type of RNA molecule is essential for protein synthesis?
  A)
  \[s-RNA\]                           
  done clear
  B)
  \[t-RNA\]
  done clear
  C)
  \[m-RNA\]                         
  done clear
  D)
  \[r-RNA\]
  done clear
  View Answer play_arrow

• question_answer121) The sphere of living matter together with water, air and soil on earths surface is called
  A)
   lithosphere       
  done clear
  B)
   xerosphere
  done clear
  C)
   biosphere         
  done clear
  D)
   hydrosphere
  done clear
  View Answer play_arrow

• question_answer122) Water pollution is caused due to
  A)
   industrial effluents
  done clear
  B)
   sewage and other wastes
  done clear
  C)
   agricultural discharges
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer123) The ecosystem of a pond is referred as
  A)
   xeric                                    
  done clear
  B)
   lotic
  done clear
  C)
   lentic                                   
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer124) The pollutants released by jet planes are
  A)
   smog                                   
  done clear
  B)
   fog
  done clear
  C)
   aerosols                             
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer125) Which is the importance of molybdenum in plants metabolism?
  A)
   Sulphur reduction
  done clear
  B)
   Carbon assimilation
  done clear
  C)
   Nitrate reduction
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer126) Tyiakoids are present in
  A)
   chloroplast        
  done clear
  B)
   nucleus
  done clear
  C)
   mitochondria  
  done clear
  D)
   peroxisome
  done clear
  View Answer play_arrow

• question_answer127) Which type of enzyme is present in lysosome?
  A)
   ATPase                               
  done clear
  B)
   Hydrolytic
  done clear
  C)
   Lyase                                   
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer128) Which is a single membrane structure?
  A)
   Chloroplast
  done clear
  B)
   Lysosomes
  done clear
  C)
   Mitochondria
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer129) Which plant virus has DNA in it?
  A)
   Tomato mosaic virus
  done clear
  B)
   Cauliflower mosaic virus
  done clear
  C)
   Tobacco mosaic virus
  done clear
  D)
   Potato mosaic virus
  done clear
  View Answer play_arrow

• question_answer130) Rough E. R. differs from smooth E.R. due to the presence of
  A)
   golgi body         
  done clear
  B)
   ribosomes
  done clear
  C)
   nucleus                              
  done clear
  D)
   DNA
  done clear
  View Answer play_arrow

• question_answer131) Mycorrhiza helps in absorption of
  A)
   nutrient                             
  done clear
  B)
   calcium
  done clear
  C)
   water                                  
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer132) The real force responsible for the movement of water from one cell to other cell, is mainly through
  A)
  \[W.P.\]                              
  done clear
  B)
  \[T.P.\]
  done clear
  C)
  \[O.P.\]                                               
  done clear
  D)
  \[D.P.D.\]
  done clear
  View Answer play_arrow

• question_answer133) Embryo sac is also known as
  A)
   microsporangium
  done clear
  B)
   micro gametophyte
  done clear
  C)
   megagametophyte
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer134) Which is a social foresting species?
  A)
   Leucaena leucocephala
  done clear
  B)
   Tectona grandis
  done clear
  C)
   Mangifera indica
  done clear
  D)
   Rosa indica
  done clear
  View Answer play_arrow

• question_answer135) If a dry wooden stakes driven into a small crack in a rock and then soaked, can develop enough pressure to split the rock. Such pressure is built up through the phenomenon of
  A)
   plasmolysis       
  done clear
  B)
   imbibition
  done clear
  C)
   deplasmolysis 
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer136) Which phase is responsible for DNA replication?
  A)
   \[S-\]phase                      
  done clear
  B)
   \[{{G}_{2}}-\]phase
  done clear
  C)
   \[{{G}_{1}}-\]phase     
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer137) Fungus, without any mycelium is
  A)
   Saccharomyces               
  done clear
  B)
   Puccinia
  done clear
  C)
   Agariciis                              
  done clear
  D)
   Altemaria
  done clear
  View Answer play_arrow

• question_answer138) Mesarch xylem is commonly found in
  A)
   fungi                                    
  done clear
  B)
   ferns
  done clear
  C)
   bryophytes       
  done clear
  D)
   algae
  done clear
  View Answer play_arrow

• question_answer139) The process of cytokinesis shows the division of
  A)
   chromatids       
  done clear
  B)
   cytoplasm
  done clear
  C)
   nucleus                              
  done clear
  D)
   chromosomes
  done clear
  View Answer play_arrow

• question_answer140) Turgor pressure becomes equal to the wall pressure when
  A)
   water enters the cell
  done clear
  B)
   water leaves the cell
  done clear
  C)
   no exchange of water takes place
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer141) Which family have diadelphous condition?
  A)
   Gramineae       
  done clear
  B)
   Rosaceae
  done clear
  C)
   Liliaceae                             
  done clear
  D)
   Papilionaceae
  done clear
  View Answer play_arrow

• question_answer142) Tyioses thickenings are seen in
  A)
   ray parenchyma and xylem cells
  done clear
  B)
   sclerenchyma
  done clear
  C)
   ray parenchyma only
  done clear
  D)
   collenchyma
  done clear
  View Answer play_arrow

• question_answer143) Which becterium is associated with the roots of legumes?
  A)
   Spirogyra           
  done clear
  B)
   Rhizobium
  done clear
  C)
   Clostridium       
  done clear
  D)
   Nostoc
  done clear
  View Answer play_arrow

• question_answer144) Binomial system of nomenclature was given by
  A)
   Linnaeus                            
  done clear
  B)
   Theophrastus
  done clear
  C)
   Hooker                               
  done clear
  D)
   Bentham
  done clear
  View Answer play_arrow

• question_answer145) In Cycas coralloid roots has
  A)
   Clostridium       
  done clear
  B)
   Rhizobium
  done clear
  C)
   Mycorrhiza       
  done clear
  D)
   Anabaena
  done clear
  View Answer play_arrow

• question_answer146) Sucking roots are present in the plant
  A)
   Betel                                   
  done clear
  B)
   Cuscuta
  done clear
  C)
   Mangifera         
  done clear
  D)
   Solarium
  done clear
  View Answer play_arrow

• question_answer147) In gram positive bacteria cell wall is made up of
  A)
   cellulose                            
  done clear
  B)
   protein
  done clear
  C)
   murein                               
  done clear
  D)
   lipid
  done clear
  View Answer play_arrow

• question_answer148) For ascent of sap, most acceptable theory is
  A)
   atmospheric theory
  done clear
  B)
   cohesion and transpiration pull theory
  done clear
  C)
   root pressure theory
  done clear
  D)
   pulsation theory
  done clear
  View Answer play_arrow

• question_answer149) In Datura the fruit is
  A)
   septicidal capsule
  done clear
  B)
   porous capsule
  done clear
  C)
   septifragal capsule
  done clear
  D)
   loculicidal capsule
  done clear
  View Answer play_arrow

• question_answer150) The bread wheat is
  A)
   diploid                                
  done clear
  B)
   triploid
  done clear
  C)
   tetraploid          
  done clear
  D)
   hexaploid
  done clear
  View Answer play_arrow

• question_answer151) If the rate of addition of new members increases with respect to the individual host of the same population, then the graph obtained has
  A)
   declined growth
  done clear
  B)
   exponential growth
  done clear
  C)
   zero population growth
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer152) Infection of Enterobius is caused to man is by
  A)
   inoculation        
  done clear
  B)
   contamination
  done clear
  C)
   piercing                              
  done clear
  D)
   flying
  done clear
  View Answer play_arrow

• question_answer153) Microfilaria is found in the peripheral blood of man during
  A)
   day time                            
  done clear
  B)
   night time
  done clear
  C)
   morning                             
  done clear
  D)
   evening
  done clear
  View Answer play_arrow

• question_answer154) The infective stage of Entamoeba histolytica is
  A)
   cysi                                       
  done clear
  B)
   egg
  done clear
  C)
   spore                                  
  done clear
  D)
   trophozoite
  done clear
  View Answer play_arrow

• question_answer155) Which of the following is a communicable disease?
  A)
   Diabetes                            
  done clear
  B)
   Hypertension
  done clear
  C)
   Kwasiorkor       
  done clear
  D)
   Diphtheria
  done clear
  View Answer play_arrow

• question_answer156) The disease filaria is transmitted by
  A)
   tse-tse fly          
  done clear
  B)
   sandfly
  done clear
  C)
   Anopheles        
  done clear
  D)
   Culex
  done clear
  View Answer play_arrow

• question_answer157) In Entamoeba histolytica, the presence of chromatid bodies is characteristic of
  A)
   precystic stage
  done clear
  B)
   trophozoite stage
  done clear
  C)
   mature quadrinucleate cyst
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer158) Euploidy is best explained by
  A)
   exact multiple of a haploid set of chromosomes
  done clear
  B)
   one chromosome less than the haploid set of chromosomes
  done clear
  C)
   one chromosome more than the haploid set of chromosomes
  done clear
  D)
   one chromosome more than the diploid set of chromosomes
  done clear
  View Answer play_arrow

• question_answer159) A man known to be victim of haemophilia marries a normal women whose father was known to be a bleeder. Then it is expected that
  A)
   all their children will be bleeders
  done clear
  B)
   one-fourth of their children will be bleeders
  done clear
  C)
   half of their children will be bleeders
  done clear
  D)
   one-tenth of their children will be bleeders
  done clear
  View Answer play_arrow

• question_answer160) If a boys father has haemophilia and his mother has one gene for haemophilia, what is the chance that the boy will inherit the disease?
  A)
  \[100%\]                             
  done clear
  B)
  \[75%\]
  done clear
  C)
  \[50%\]                               
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer161) The adaptive similarities in different animals, found in the same habitat, is called
  A)
   adaptive radiation
  done clear
  B)
   convergent evolution
  done clear
  C)
   parallel evolution
  done clear
  D)
   retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer162) Arboreal mammals have
  A)
   flying character
  done clear
  B)
   burrowing character
  done clear
  C)
   climbing character
  done clear
  D)
   jumping character
  done clear
  View Answer play_arrow

• question_answer163) The egg of a rabbit is
  A)
   microlecithal    
  done clear
  B)
   megalccithal
  done clear
  C)
   lelolecithal        
  done clear
  D)
   alccithal
  done clear
  View Answer play_arrow

• question_answer164) The hormone that regulates the calcium level of blood is
  A)
   parathormone
  done clear
  B)
   thyroxine
  done clear
  C)
   insulin                                 
  done clear
  D)
   glucagon
  done clear
  View Answer play_arrow

• question_answer165) Hormone, which helps in metamorphosis in insects, is
  A)
   pheromone      
  done clear
  B)
   thyroxine
  done clear
  C)
   ecdysone                          
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer166) In the development of the human body, the ectoderm is responsible for the formation of
  A)
   sweat glands    
  done clear
  B)
   nervous system
  done clear
  C)
   lens of the eye                
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer167) In human zygote, the male sex is determined by whether
  A)
   mother gets good nutrition
  done clear
  B)
   father is stronger than mother
  done clear
  C)
   strength of male chromosome
  done clear
  D)
   required composition of chromosomes
  done clear
  View Answer play_arrow

• question_answer168) Polar bodies are produced during the formation of
  A)
   sperm                                 
  done clear
  B)
   oogonium
  done clear
  C)
   spermatocytes                
  done clear
  D)
   secondary oocyte
  done clear
  View Answer play_arrow

• question_answer169) Melanocyte stimulating hormone (MSH) is secreted by
  A)
   anterior lobe of pituitary
  done clear
  B)
   posterior lobe of pituitary
  done clear
  C)
   intermediate lobe of pituitary
  done clear
  D)
   not by any lobe of pituitary
  done clear
  View Answer play_arrow

• question_answer170) The two lateral ventricles, in the brain of frog, communicate with the third ventricle throught
  A)
   rhinocoel                           
  done clear
  B)
   sylvius
  done clear
  C)
   foramen magnum         
  done clear
  D)
   foramen of monro
  done clear
  View Answer play_arrow

• question_answer171) The respiratory centre, which regulates respiration, is located in
  A)
   cerebellum
  done clear
  B)
   the vagus nerve
  done clear
  C)
   cerebral peduncle
  done clear
  D)
   medulla oblongata
  done clear
  View Answer play_arrow

• question_answer172) The unit of photoreception, in a compound eye of cockroach and other insects, is
  A)
   ctenidium                          
  done clear
  B)
   osphradium
  done clear
  C)
   ommatidium    
  done clear
  D)
   rhabdome
  done clear
  View Answer play_arrow

• question_answer173) The skull of a bird is
  A)
   dicondylic
  done clear
  B)
   mono condylic
  done clear
  C)
   amphicondylic
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer174) Astragalus and calcanium are present in
  A)
   fore limb                            
  done clear
  B)
   hind limb
  done clear
  C)
   scapula                               
  done clear
  D)
   clavicle
  done clear
  View Answer play_arrow

• question_answer175) In micturition
  A)
   urethra relaxes
  done clear
  B)
   ureter contracts
  done clear
  C)
   ureter relaxes
  done clear
  D)
   urethra contracts
  done clear
  View Answer play_arrow

• question_answer176) Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are
  A)
   birds and/lizards
  done clear
  B)
   mammals and mollusk
  done clear
  C)
   insects and bony fishes
  done clear
  D)
   frogs and cartilaginous fishes
  done clear
  View Answer play_arrow

• question_answer177) Water reabsorption in kidney is controlled by
  A)
   GH                                        
  done clear
  B)
   ADH
  done clear
  C)
   oxytocin                             
  done clear
  D)
   aldosterone
  done clear
  View Answer play_arrow

• question_answer178) The abiogenesis occured about how many billion years ago?
  A)
   1.2 billion                           
  done clear
  B)
   1.5 billion
  done clear
  C)
   2.5 billion           
  done clear
  D)
   3.5 billion
  done clear
  View Answer play_arrow

• question_answer179) Development of patagia in animals is an
  A)
   cave adaptation
  done clear
  B)
   volant adaptation
  done clear
  C)
   aquatic adaptation
  done clear
  D)
   arboreal adaptation
  done clear
  View Answer play_arrow

• question_answer180) Binomial nomenclature indicates
  A)
   genus and family
  done clear
  B)
   genus and species
  done clear
  C)
   phylum and genus
  done clear
  D)
   species and sub-species
  done clear
  View Answer play_arrow

• question_answer181) The site of EMP pathway in cell is
  A)
   nucleus                              
  done clear
  B)
   peroxisome
  done clear
  C)
   cytoplasm         
  done clear
  D)
   mitochondria
  done clear
  View Answer play_arrow

• question_answer182) The mode of DNA replication is semi conservative. It was first demonstrated by
  A)
   Tayler
  done clear
  B)
   Khorana
  done clear
  C)
   Meselson and Stahl
  done clear
  D)
   Watson and Crick
  done clear
  View Answer play_arrow

• question_answer183) How many base pairs are present in one turn of DNA?
  A)
   10                                         
  done clear
  B)
   9
  done clear
  C)
   11                                         
  done clear
  D)
   12
  done clear
  View Answer play_arrow

• question_answer184) The induced fit theory to enzyme action was given by
  A)
   Koshland                           
  done clear
  B)
   Sumner
  done clear
  C)
   Fischer                
  done clear
  D)
   Hershey and Chase
  done clear
  View Answer play_arrow

• question_answer185) Several buds may occur in a single mother Hydra, at a time. Then
  A)
   all of them are equally old
  done clear
  B)
   the one towards the oral end is older
  done clear
  C)
   the one towards the aboral end is older
  done clear
  D)
   the one towards the aboral end is younger
  done clear
  View Answer play_arrow

• question_answer186) Hermit crab and sea anemone relationship is
  A)
   mutualism
  done clear
  B)
   symbiosis
  done clear
  C)
   commensalism
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer187) How are Annelida advanced over Nematoda?
  A)
   Closed circulation
  done clear
  B)
   True coelom
  done clear
  C)
   Metameric segmentation
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer188) The type of vertebrae in sub-order ophidia is
  A)
   amphicoelous 
  done clear
  B)
   acoelous
  done clear
  C)
   haterocoelous
  done clear
  D)
   procoelous
  done clear
  View Answer play_arrow

• question_answer189) Which of the following is the burrowing marsupial?
  A)
   Thylacinus         
  done clear
  B)
   Notoryctus
  done clear
  C)
   Myrmecobius                  
  done clear
  D)
   Phascolarctes
  done clear
  View Answer play_arrow

• question_answer190) Ambulacral grooves are absent in the living forms of the class
  A)
   Crinoidea           
  done clear
  B)
   Ophiuroidea
  done clear
  C)
   Asteroidea        
  done clear
  D)
   Echinodermata
  done clear
  View Answer play_arrow

• question_answer191) The transgenic animals are those which have
  A)
   foreign RNA in all its cells
  done clear
  B)
   foreign DNA in all its cells
  done clear
  C)
   foreign DNA in some of its cells
  done clear
  D)
   both a and c
  done clear
  View Answer play_arrow

• question_answer192) Fats are richly found in
  A)
   alveolar tissue
  done clear
  B)
   lymph glands
  done clear
  C)
   adipose tissue
  done clear
  D)
   liver cells
  done clear
  View Answer play_arrow

• question_answer193) The muscles associated with the heart of insects are
  A)
   alary                                    
  done clear
  B)
   radial
  done clear
  C)
   striped                                
  done clear
  D)
   pericardial
  done clear
  View Answer play_arrow

• question_answer194) The endothelium of blood vessel is composed of
  A)
   cuboidal epithelium
  done clear
  B)
   squamous epithelium
  done clear
  C)
   columnar epithelium
  done clear
  D)
   ciliated epithelium
  done clear
  View Answer play_arrow

• question_answer195) What is common among amylase, rennin and trypsin?
  A)
   These all are proteins
  done clear
  B)
   These act at a pH lower than 7
  done clear
  C)
   These are produced in stomach
  done clear
  D)
   These all are proteolytic enzymes
  done clear
  View Answer play_arrow

• question_answer196) The release of pancreatic juice from the pancreas, in a mammal, is stimulated by
  A)
   trypsinogen      
  done clear
  B)
   secretin
  done clear
  C)
   entero kinase                  
  done clear
  D)
   choleocystokinin
  done clear
  View Answer play_arrow

• question_answer197) The largest quantity of air that can be expired, after maximal inspiration effort, is called
  A)
   tidal volume
  done clear
  B)
   vital capacity
  done clear
  C)
   residual volume
  done clear
  D)
   total lung volume
  done clear
  View Answer play_arrow

• question_answer198) Regarding blood circulation, it may by said that in Pheretima the dorsal vessel is a
  A)
   collecting vessel in first, two segments and distributing vessel in other
  done clear
  B)
   distributing vessel in first, five segments and distributing vessel in other
  done clear
  C)
   collecting vessel in first thirteen segments and distributing vessel in intestinal region
  done clear
  D)
   distributing vessel in first thirteen segments and collecting vessel in intestinal region
  done clear
  View Answer play_arrow

• question_answer199) At high altitudes, the RBCs in human blood
  A)
   increases in size
  done clear
  B)
   decreases in size
  done clear
  C)
   increases in number
  done clear
  D)
   decreases in number
  done clear
  View Answer play_arrow

• question_answer200) Each spinal nerve in a mammal arises from the spinal cord by two roots, a dorsal and a ventral. Of these the ventral root is composed of
  A)
   somatic motor and vesceral motor fibres
  done clear
  B)
   somatic sensory and vesceral motor fibres
  done clear
  C)
   somatic motor and visceral sensory fibres
  done clear
  D)
   somatic sensory and visceral sensory fibres
  done clear
  View Answer play_arrow