Solved papers for Manipal Medical Manipal Medical Solved Paper-2015

done Manipal Medical Solved Paper-2015 Total Questions - 170

• question_answer1) A force F is given by \[F=at+b{{t}^{2}},\] where \[t\] is time, the dimensions of a and b are
  A)
  \[[ML{{T}^{-3}}]\] and \[[ML{{T}^{-4}}]\]
  done clear
  B)
  \[[ML{{T}^{-3}}]\] and \[[M{{L}^{2}}{{T}^{-4}}]\]
  done clear
  C)
  \[[ML{{T}^{-4}}]\] and \[[ML{{T}^{1}}]\]
  done clear
  D)
  \[[ML{{T}^{-3}}]\] and \[[M{{L}^{2}}{{T}^{-4}}]\] From the principle of dimensional homogeneity \[[a]=\left[ \frac{F}{t} \right]=[ML{{T}^{-3}}]\] \[[b]=\left[ \frac{F}{{{t}^{2}}} \right]=[ML{{T}^{-4}}]\]
  done clear
  View Answer play_arrow

• question_answer2) In case of linearly polarised light, the magnitude of the electric field vector
  A)
  does not change with time             
  done clear
  B)
  varies periodically with time
  done clear
  C)
  is parallel to the direction of propagation
  done clear
  D)
  increases and decreases linearly with time
  done clear
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• question_answer3) Dispersion of light is caused due to
  A)
  intensity of light
  done clear
  B)
  density of medium
  done clear
  C)
  wavelength                            
  done clear
  D)
  None of the above
  done clear
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• question_answer4) The magnetic moment (\[\mu \]) of a revolving electron around the nucleus varies with principal quantum number n as
  A)
  \[\mu \propto 1/n\]                         
  done clear
  B)
  \[\mu \propto 1/{{n}^{2}}\]
  done clear
  C)
  \[\mu \propto n\]                              
  done clear
  D)
  \[\mu \propto {{n}^{2}}\]
  done clear
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• question_answer5) The path difference between two waves \[{{y}_{1}}={{a}_{1}}\sin \left( \omega t-\frac{2\pi x}{\lambda } \right)\]and \[{{y}_{2}}={{a}_{2}}\cos \left( \omega t-\frac{2\pi x}{\lambda }+\phi  \right)\]
  A)
  \[\frac{\lambda }{2\pi }[\phi +\pi /2]\]
  done clear
  B)
  \[\frac{\lambda }{2\pi }[\phi ]\]
  done clear
  C)
  \[\frac{\lambda }{2\pi }[\phi -\pi /2]\]        
  done clear
  D)
  \[\frac{2\pi }{\lambda }[\phi ]\]
  done clear
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• question_answer6) When the tension in a metal wire is \[{{T}_{1}}\] its length is\[{{l}_{1}}\], when the tension is \[{{T}_{2}}\]its length is\[{{l}_{2}}\]. The natural length of wire is
  A)
  \[{{T}_{1}}{{l}_{1}}+{{T}_{2}}{{l}_{2}}\]                      
  done clear
  B)
  \[\frac{{{l}_{1}}{{T}_{2}}-{{l}_{2}}{{T}_{1}}}{{{T}_{2}}-{{T}_{1}}}\]
  done clear
  C)
  \[\frac{{{l}_{1}}{{T}_{2}}+{{l}_{2}}{{T}_{1}}}{{{T}_{2}}+{{T}_{1}}}\]                                
  done clear
  D)
   \[\frac{{{T}_{2}}}{{{T}_{1}}}({{l}_{1}}+{{l}_{2}})\]
  done clear
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• question_answer7) A ring of radius 0.5 and mass 10 kg is rotating about its diameter with angular velocity of 20 rad \[{{s}^{-1}}\]. Its kinetic energy is
  A)
  10 J                           
  done clear
  B)
  100 J  
  done clear
  C)
  500 J                         
  done clear
  D)
  250 J
  done clear
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• question_answer8) If a vector \[2\hat{i}+3\hat{j}+8\hat{k}\]is perpendicular to the vector\[4\hat{j}-4\hat{i}+\alpha \hat{k}\]. Then, the value of \[\alpha \] is
  A)
  1/2                                            
  done clear
  B)
  -1
  done clear
  C)
  -1/2                                          
  done clear
  D)
  1
  done clear
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• question_answer9) A car starts from rest and accelerates uniformly to a speed of 18 km \[{{h}^{-1}}\] in 10. The distance covered by the car in the time interval is
  A)
  200m                                       
  done clear
  B)
  300m
  done clear
  C)
  500 m                                      
  done clear
  D)
  250 m
  done clear
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• question_answer10) The liquid-crystal phase of a matter is called
  A)
  mesophases         
  done clear
  B)
  gel
  done clear
  C)
  crystalline liquid                  
  done clear
  D)
  None of these
  done clear
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• question_answer11) The condition for obtaining secondary maxima in the diffraction pattern due to single slit is
  A)
  \[a\sin \theta =\frac{n\lambda }{2}\]       
  done clear
  B)
  \[a\sin \theta =(2n-1)\lambda /2\]
  done clear
  C)
  \[a\sin \theta =n\lambda \]        
  done clear
  D)
  \[a\sin \theta =(2n-1)\lambda \]
  done clear
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• question_answer12) Two particles \[A\]and \[B\]having equal charges + 6 C after being accelerated through the same potential difference, enter in a region of uniform magnetic field and describe circular paths of radii 2 cm and 3 cm respectively. The ratio of mass of \[A\]to that of \[B\]is
  A)
  1/3                                            
  done clear
  B)
  1/2    
  done clear
  C)
  4/9                                            
  done clear
  D)
   9/5
  done clear
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• question_answer13) Two parallel beams of positron moving in the same direction will
  A)
  not interact with each other
  done clear
  B)
  repel each other
  done clear
  C)
  attract each other
  done clear
  D)
  be deflected normal to the plane containing the two beams
  done clear
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• question_answer14) Three charges \[1\mu C,2\mu C,\]and \[3\mu C\]are kept at vertices of an equilateral triangle of side 1 m. If they are brought nearer, so that they now form an equilateral triangle of side 0.5 m, then work done is
  A)
  0.11 J                       
  done clear
  B)
  11 J   
  done clear
  C)
  0.01 J                       
  done clear
  D)
  1.1 J
  done clear
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• question_answer15) If a black body emits 0.5 J of energy per second when it is at 27°C, then the amount of energy emitted by it when it is at 627°C will be
  A)
  162 J                         
  done clear
  B)
  135 J   
  done clear
  C)
  40.5 J                       
  done clear
  D)
  13.5 J
  done clear
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• question_answer16) At constant pressure, the ratio of increase in volume of an ideal gas per degree rise in kelvin temperature to its volume is
  A)
  1/T                            
  done clear
  B)
  \[1/{{T}^{{}}}\]    
  done clear
  C)
  T                                                
  done clear
  D)
  \[{{T}^{2}}\]
  done clear
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• question_answer17) The inelastic scattering of photons is called as
  A)
  Compton effect
  done clear
  B)
  Einstien's photoelectric effect
  done clear
  C)
   Raman effect
  done clear
  D)
  Hall effect
  done clear
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• question_answer18) In Young's double slit experiment, when wavelength used is \[6000\,\,\overset{\text{ }\!\!{}^\circ\!\!\text{ }}{\mathop{\text{A}}}\,\]and the screen is 40 cm from the slits, the fringes are 0.012 cm wide. What is the distance between the slits?
  A)
  0.24 cm                   
  done clear
  B)
  0.2 cm
  done clear
  C)
  2.4 cm                                     
  done clear
  D)
  0.024 cm
  done clear
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• question_answer19) A steady current flows in a metallic conductor of non-uniform cross-section. Which of the following quantities is constant along the conductor?
  A)
  Drift speed            
  done clear
  B)
  Current
  done clear
  C)
  Current density                   
  done clear
  D)
  None of these
  done clear
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• question_answer20) How many times diatomic gas should be expanded adiabatically so, as to reduce the root mean square velocity to half
  A)
  16                                              
  done clear
  B)
   8
  done clear
  C)
  32                                              
  done clear
  D)
  64
  done clear
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• question_answer21) An athlete completes one round of a circular track of radius 10 m in 40 s. The distance covered by him in 2 min 20s is
  A)
  110 m                                      
  done clear
  B)
  70 m
  done clear
  C)
  220 m                                      
  done clear
  D)
  140 m
  done clear
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• question_answer22) A particle is projected with velocity \[{{v}_{0}}\]along axis. The deceleration on the particle is proportional to the square of the distance from the origin, i.e. \[\alpha =\alpha {{x}^{2}}\], the distance at which the particle stop is
  A)
  \[\frac{\sqrt{3}\,{{v}_{0}}}{2\,\alpha }\]                   
  done clear
  B)
  \[{{\left( \frac{3\,{{v}_{0}}}{2\alpha } \right)}^{1/3}}\]
  done clear
  C)
   \[\sqrt{\frac{2\,{{v}_{0}}}{3\,\alpha }}\]                  
  done clear
  D)
  \[{{\left( \frac{3\,{{v}_{0}}^{2}}{2\alpha } \right)}^{1/3}}\]
  done clear
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• question_answer23) A particle of mass m collides with another stationary particle of mass M. If the particle m stops just after collision, then the coefficient of restitution for collision is equal to
  A)
  1                                                
  done clear
  B)
  \[\frac{m}{M}\]
  done clear
  C)
  \[\frac{M-m}{M+m}\]                      
  done clear
  D)
  \[\frac{m}{M+m}\]
  done clear
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• question_answer24) A common emitter amplifier is designed with \[n-p-n\]transistor (\[\alpha =0.99\]). The input impedance is\[1\,k\Omega \]. and load is \[10\,k\Omega \]. The voltage gain will be
  A)
  9900                         
  done clear
  B)
  99     
  done clear
  C)
  9.9                                            
  done clear
  D)
  990
  done clear
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• question_answer25) The de-Broglie wavelength associated with an electron accelerated by a potential of 64 V is
  A)
  0.153 nm                
  done clear
  B)
  0.613 nm                             
  done clear
  C)
  1.22 nm                  
  done clear
  D)
  0.302 nm                         
  done clear
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• question_answer26) A leaf which contains only green pigments is illuminated by a laser light of wavelength 0.6328\[\mu m\]. It would appear to             
  A)
  black                                        
  done clear
  B)
  green                
  done clear
  C)
  brown                     
  done clear
  D)
  red
  done clear
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• question_answer27) The equivalent circuit is The circuit represents
  A)
  NAND gate            
  done clear
  B)
  OR gate
  done clear
  C)
  AND gate               
  done clear
  D)
  NOR gate
  done clear
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• question_answer28) A straight line conductor of length 0.4 m is moved with a speed of 7 \[m{{s}^{-1}}\] perpendicular to magnetic field of intensity of 0.9\[Wb{{m}^{-2}}\]. The induced emf across the conductor is
  A)
  25.2 V                                      
  done clear
  B)
  5.24 V
  done clear
  C)
  2.52V                                       
  done clear
  D)
  1.26V
  done clear
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• question_answer29) When a train approaches a stationary observer, the apparent frequency of the whistle is \[n'\]and when the same train recedes away from the observer, the apparent frequency is \[n''\]Then, the apparent frequency n when the observer moves with the train is
  A)
  \[n=\sqrt{n'n''}\]                                
  done clear
  B)
  \[n=\frac{n'+n''}{2}\]
  done clear
  C)
  \[n=\frac{2n'+n''}{n'-n''}\]                              
  done clear
  D)
  \[n=\frac{2n'+n''}{n'+n''}\]
  done clear
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• question_answer30) Three tubes A, B and C are connected to a horizontal pipe in which liquid is flowing. The radii of pipe at the joints of A, B, and C are 2 cm, 1 cm and 2 cm respectively. The height of liquid
  A)
  inlands is equal  
  done clear
  B)
  in A is maximum
  done clear
  C)
  in A and C is same  
  done clear
  D)
  is same in all three
  done clear
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• question_answer31) According to Keplers law of planetary motion, if T represents time period and r is orbital radius, then for two planets these are related as
  A)
   \[{{\left( \frac{{{T}_{1}}}{{{T}_{2}}} \right)}^{3/2}}=\frac{{{r}_{1}}}{{{r}_{2}}}\]                      
  done clear
  B)
  \[\frac{{{T}_{1}}}{{{T}_{2}}}=\left[ \frac{{{r}_{1}}}{{{r}_{2}}} \right]\]
  done clear
  C)
  \[{{\left[ \frac{{{T}_{1}}}{{{T}_{2}}} \right]}^{2}}={{\left[ \frac{{{r}_{1}}}{{{r}_{2}}} \right]}^{3}}\]  
  done clear
  D)
  \[\frac{T_{1}^{2}}{{{T}_{2}}}=\frac{r_{1}^{3}}{{{r}_{1}}}\]
  done clear
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• question_answer32) Formula for true force is
  A)
  \[F=m\frac{{{d}^{2}}x}{d{{t}^{2}}}\]                          
  done clear
  B)
  \[F=m\frac{dmv}{dt}\]
  done clear
  C)
  \[F=ma\]                                
  done clear
  D)
  \[m\frac{dv}{dt}\]
  done clear
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• question_answer33) To measure the roughness of the surface of a material, which of the following microscope is preferred for better result output?
  A)
  Compound microscope
  done clear
  B)
  Electron microscope
  done clear
  C)
  Atomic force microscope
  done clear
  D)
  None of the above
  done clear
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• question_answer34) The half-life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol. The number of atoms that will decay from its 1g sample per second will be (take, Avogadro's number \[{{N}_{A}}=6.023\times {{10}^{23}}\]atom/kilo mol)
  A)
  \[3.61\times {{10}^{10}}\]
  done clear
  B)
  \[31.1\times {{10}^{15}}\]
  done clear
  C)
  \[3.6\times {{10}^{12}}\]                 
  done clear
  D)
  \[3.11\times {{10}^{15}}\]
  done clear
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• question_answer35) The electrons are emitted in the photo electric effect from a metal surface
  A)
  only if the temperature of the surface is high
  done clear
  B)
  with a maximum velocity proportional to the   frequency of the incident radiation
  done clear
  C)
  only if the frequency of the incident radiation is above a certain threshold value
  done clear
  D)
  at a rate that is independent of the nature of the metal
  done clear
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• question_answer36) Identify the wrong description of the below figures.  
  A)
  Fig (i) represents correction far short sightedness
  done clear
  B)
  Fig (iii) represents far sightedness
  done clear
  C)
  Fig (iv) represents correction for far sightedness
  done clear
  D)
  Fig (ii) represents far sightedness
  done clear
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• question_answer37) In a circuit, L, C and R are connected in series with an alternating voltage source of frequency\[f\].The current leads the voltage by 45°. The value of C is
  A)
  \[\frac{1}{\pi f(2\pi fL+R)}\]           
  done clear
  B)
  \[\frac{1}{\pi f(2\pi fL-R)}\]
  done clear
  C)
  \[\frac{1}{2\pi f(2\pi fL-R)}\]         
  done clear
  D)
  \[\frac{1}{2\pi f(2\pi fL+R)}\]
  done clear
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• question_answer38) Starting from origin, a body oscillates simple harmonically with a period of 2s. After what time will its kinetic energy be 75% of the total energy ?
  A)
  1/6 s                                         
  done clear
  B)
  1/12 s
  done clear
  C)
  1/3 s                                         
  done clear
  D)
  1/4 s
  done clear
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• question_answer39) The amount of work done in blowing a soap bubble such that its diameter increases from d to D is (S = surface tension of the solution)
  A)
  \[2\pi ({{D}^{2}}-{{d}^{2}})S\]       
  done clear
  B)
  \[\pi ({{D}^{2}}-{{d}^{2}})S\]
  done clear
  C)
  \[4\pi ({{D}^{2}}-{{d}^{2}})S\]       
  done clear
  D)
  \[8\pi ({{D}^{2}}-{{d}^{2}})S\]
  done clear
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• question_answer40) A body from height h is dropped, if the coefficient of restitution is e, then calculate the height achieved after one bounce.
  A)
  \[{{h}_{1}}={{e}^{4}}h\]                                  
  done clear
  B)
  \[h=e\,{{h}_{1}}\]
  done clear
  C)
  \[{{h}_{1}}=h{{e}^{2}}\]                  
  done clear
  D)
  \[h={{h}_{1}}/e\]
  done clear
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• question_answer41) Two masses of 5 kg and 10 kg are connected to a pulley as shown. What will be the acceleration of the system? (g = acceleration due to gravity)
  A)
  g/4                                            
  done clear
  B)
   g/3
  done clear
  C)
  g/2                                            
  done clear
  D)
  g
  done clear
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• question_answer42) Which of the following is not one of the prime health risks associated with greater UV radiation due to the depletion of stratospheric ozone?
  A)
  Increased liver cancer
  done clear
  B)
  Increased skin cancer
  done clear
  C)
  Reduced immune system
  done clear
  D)
  Damage to eyes
  done clear
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• question_answer43) In a laser tube, all the photons              
  A)
  have same energy                          
  done clear
  B)
  have same wavelength                       
  done clear
  C)
  move in same direction                       
  done clear
  D)
  move with same speed           
  done clear
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• question_answer44) The ionisation energy of the electron in the   hydrogen atom in its ground state is 13.6 eV.  The atoms are excited to higher energy levels   to emit radiations of 6 wavelengths. Maximum wavelength of emitted radiation corresponds to the transition between
  A)
  \[n=3\,to\,n=\]1 states 
  done clear
  B)
  \[n=4\,to\,n=\]3 states
  done clear
  C)
  \[n=3\,to\,n=\]2 states
  done clear
  D)
  \[n=2\,to\,n=\]1 states
  done clear
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• question_answer45) A person near point of vision is 100 cm. Then, the power of lens he must wear so as to have normal vision is
  A)
  -3 D                                          
  done clear
  B)
  + 3 D  
  done clear
  C)
  -1 D                                          
  done clear
  D)
  +1 D
  done clear
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• question_answer46) With the increase in temperature, the angle of contact
  A)
  increases
  done clear
  B)
  decreases
  done clear
  C)
  remains constant
  done clear
  D)
  first increases and then decreases
  done clear
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• question_answer47) A bob of mass m accelerates uniformly from rest to \[{{v}_{1}}\]in time\[{{t}_{1}}\]. As a. function of t, the instantaneous. Power delivered to the body is
  A)
  \[\frac{mvit}{{{t}_{1}}}\]                 
  done clear
  B)
  \[\frac{m{{v}_{1}}t}{{{t}_{1}}}\]
  done clear
  C)
  \[\frac{m{{v}_{1}}{{t}^{2}}}{{{t}_{1}}}\]                    
  done clear
  D)
  \[\frac{mv_{1}^{2}t}{{{t}_{1}}^{2}}\]
  done clear
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• question_answer48) In a semiconducting material, the mobility?s of electrons and holes are \[{{\mu }_{e}}\]and \[{{\mu }_{h}}\]respectively. Which of the following is true?  
  A)
  \[{{\mu }_{e}}<{{\mu }_{h}}\]                      
  done clear
  B)
  \[{{\mu }_{e}}={{\mu }_{h}}\]
  done clear
  C)
  \[{{\mu }_{e}}<0,{{\mu }_{h}}>0\]              
  done clear
  D)
  \[{{\mu }_{e}}>{{\mu }_{h}}\]
  done clear
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• question_answer49) Which radiations are used in treatment of muscles ache?                          
  A)
  Ultraviolet
  done clear
  B)
  Infrared                                            
  done clear
  C)
  Microwave
  done clear
  D)
   X-rays
  done clear
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• question_answer50) Electrons microscope is based on the concept of                                
  A)
  Plank's model                                
  done clear
  B)
  de-Broglie relation                                
  done clear
  C)
  Sommer field model
  done clear
  D)
  None of the above          
  done clear
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• question_answer51) The major product (ester) of the following reaction is
  A)
  a racemic mixture (optically inactive)
  done clear
  B)
  a mixture of diastereomers (both optically active)
  done clear
  C)
  a single stereoisomer (optically active)
  done clear
  D)
  a mixture of four stereoisomers (two racemic mixtures)
  done clear
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• question_answer52) Analysis shows that nickel oxide has the formula\[N{{i}_{0.98}}O\]. The percentage of Ni present as \[N{{i}^{2+}}\]and\[N{{i}^{3+}}\]respectively will be
  A)
  99%, 1%                  
  done clear
  B)
  98%, 2%
  done clear
  C)
  97%, 3%                  
  done clear
  D)
  96%, 4%
  done clear
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• question_answer53) 0.20 g of a hydrocarbon on combustion gave 0.66 g of\[C{{O}_{2}}\].The percentage of hydrogen in the hydrocarbon is about
  A)
  35                                              
  done clear
  B)
  47     
  done clear
  C)
  10                                              
  done clear
  D)
  25
  done clear
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• question_answer54) Nalorphene   (\[{{C}_{19}}{{H}_{21}}N{{O}_{3}}\])   similar   to morphine, is used to combat withdrawal symptoms in narcotic uses. Dose of nalorphene generally given is 1.5 mg. The mass \[1.5\times {{10}^{-3}}m\] aqueous solution required for the above dose is
  A)
  5.2g                                          
  done clear
  B)
  3.2 g  
  done clear
  C)
  4.6 g                                         
  done clear
  D)
  1.9g
  done clear
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• question_answer55) An alkane (molecular weight = 86) on mono chlorination gives only two monochloro derivatives. One isomer (X) of this alkane is obtained on catalytic reduction of alkene (Y) which gives four monochloro derivatives. Isomer (X) is
  A)
  \[\begin{align}   & C{{H}_{3}}-C{{H}_{2}}-CH-C{{H}_{3}} \\  & | \\  & C{{H}_{2}}-C{{H}_{3}} \\ \end{align}\]
  done clear
  B)
  \[\begin{align}   & C{{H}_{3}}-CH-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}} \\  & | \\  & C{{H}_{3}} \\ \end{align}\]
  done clear
  C)
  \[\begin{align}   & C{{H}_{3}}-CH-CH-C{{H}_{3}} \\  & || \\  & C{{H}_{3}}C{{H}_{3}} \\ \end{align}\]
  done clear
  D)
  \[\begin{align}   & C{{H}_{3}} \\  & | \\  & C{{H}_{3}}-C{{H}_{2}}-C-C{{H}_{3}} \\  & | \\  & C{{H}_{3}} \\ \end{align}\]
  done clear
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• question_answer56) The standard emf of the cell\[Cd(s)/CdC{{l}_{2}}(aq)(0.1M)|\,|\,AgCl(s)\,|\,Ag(s)\]in which the cell-reaction is \[Cd(s)+2AgCl(s)\,\,\to \]\[2Ag(s)+C{{d}^{2+}}(aq)+2C{{l}^{-}}(aq)\] is. 0.6915 V at 273 K and 0.6573 V at 298 K. The enthalpy change of the reaction at 298 K is
  A)
  \[-176.86\,\,kJ\]
  done clear
  B)
  \[-245.6\,kJ\]
  done clear
  C)
  \[+\,48.179\,kJ\]
  done clear
  D)
  \[+\,223.5\,kJ\]
  done clear
  View Answer play_arrow

• question_answer57) What is the product X?
  A)
         
  done clear
  B)
         
  done clear
  C)
                              
  done clear
  D)
        
  done clear
  View Answer play_arrow

• question_answer58) In the following reaction,\[0.02=1.61\exp .\left( \frac{-18260.8}{8.314\times T} \right)\] The temperature at which the reaction occurs is
  A)
  400 K                                        
  done clear
  B)
  200 K
  done clear
  C)
  500 K                                        
  done clear
  D)
  800 K
  done clear
  View Answer play_arrow

• question_answer59) 10 mL of water required 1.47 mg of \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\](mol. wt. = 294) for oxidation of dissolved organic matter. C.O.D (Chemical Oxygen Demand) of water is
  A)
  3.44 ppm                
  done clear
  B)
  24 ppm
  done clear
  C)
  34.4 ppm                
  done clear
  D)
  2.44 ppm
  done clear
  View Answer play_arrow

• question_answer60) In an adsorption experiment, a graph between log \[\left( \frac{x}{m} \right)\] versus log p is found to be linear with slope of 45°. The intercept on log \[\left( \frac{x}{m} \right)\]axis was found to 0.3010. The amount of the gas adsorbed per gram of charcoal under the pressure of 0.5 atm will be
  A)
   1.0                                           
  done clear
  B)
  2.0
  done clear
  C)
  0.50                                          
  done clear
  D)
  0.25
  done clear
  View Answer play_arrow

• question_answer61) \[CFC{{l}_{3}}\] is responsible for the decomposition of ozone to form which of the following reacts with ozone to form oxygen.
  A)
  Cl                                               
  done clear
  B)
  \[C{{l}^{-}}\]
  done clear
  C)
  \[C{{l}_{2}}\]                                        
  done clear
  D)
  \[{{F}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer62) The density of water and ethanol at room temperature is 1.0 g/mL and 0.789 g/mL respectively. What volume of ethanol contains the same number of molecules as are present in 100 mL of water?
  A)
  307.8 mL                 
  done clear
  B)
  168.7 mL
  done clear
  C)
  323.9 mL                 
  done clear
  D)
  253.3 mL
  done clear
  View Answer play_arrow

• question_answer63)                 
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer64) In a multi-electron atom, which of the following orbitals, described by the three quantum numbers, will have the same energy in the absence of magnetic field and electric field? (i) \[n=1,l=0,m=0\] (ii) \[n=2,l=0,m=0\] (iii) \[n=3,l=1,m=1\] (iv)  \[n=3,l=2,m=1\] (v) \[n=3,l=2,m=0\]
  A)
  (i) and (ii)              
  done clear
  B)
  (ii) and (iii)         
  done clear
  C)
  (iv) and (v)            
  done clear
  D)
  (iii) and (iv)
  done clear
  View Answer play_arrow

• question_answer65) An unknown alkyl halide (X) reacts with alcoholic KOH and produces a hydrocarbon\[({{C}_{4}}{{H}_{8}})\]as the major product. Ozonolysis of this hydrocarbon affords one mole of propanaldehyde   and   one   mole   of formaldehyde.  Suggest which organic compound among the following has the correct structure of the above alkyl halide (X)?
  A)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}Br\]
  done clear
  B)
  \[C{{H}_{3}}CH(Br)C{{H}_{2}}C{{H}_{3}}\]
  done clear
  C)
  \[C{{H}_{3}}CH(Br)CH(Br)C{{H}_{3}}\]
  done clear
  D)
  \[Br{{(C{{H}_{2}})}_{4}}Br\] 
  done clear
  View Answer play_arrow

• question_answer66) The table shown below gives the bond dissociation energies (\[{{E}_{diss}}\]) for single covalent bonds of carbon (C) atoms with the element P, Q, R and S. Which element has the smallest atoms?                      

  Bond	\[{{E}_{diss}}(kJ\,mo{{l}^{-1}})\]
  \[C-P\]	240
  \[C-Q\]	238
  \[C-R\]	276
  \[C-S\]	485

  A)
  P                                
  done clear
  B)
  S
  done clear
  C)
  R                                
  done clear
  D)
  Q
  done clear
  View Answer play_arrow

• question_answer67) There is no S?S bond in
  A)
  \[{{S}_{2}}O_{4}^{2-}\]                    
  done clear
  B)
  \[{{S}_{2}}O_{5}^{2-}\]
  done clear
  C)
  \[{{S}_{2}}O_{3}^{2-}\]                    
  done clear
  D)
  \[{{S}_{2}}O_{7}^{2-}\]
  done clear
  View Answer play_arrow

• question_answer68) Identify (C) in the following reaction series   \[\begin{align}   & Ethanol\xrightarrow{PB{{r}_{3}}}A\xrightarrow{Alc.KOH}B\xrightarrow[{{H}_{2}}O.heat]{{{H}_{2}}S{{O}_{4}},room\,\,\,\,temperataure}C \\  &  \\ \end{align}\]
  A)
  \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\]                
  done clear
  B)
  \[C{{H}_{3}}C{{H}_{2}}OS{{O}_{3}}H\]
  done clear
  C)
  \[C{{H}_{2}}=C{{H}_{2}}\]                               
  done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}OH\]
  done clear
  View Answer play_arrow

• question_answer69) The total number of electrons that can be accommodated in all the orbitals having principal quantum number 2 and azimuthal quantum number 1 is
  A)
  2                                                
  done clear
  B)
  4
  done clear
  C)
  6                                                
  done clear
  D)
  8
  done clear
  View Answer play_arrow

• question_answer70) If II and III are three isotherms respectively at  temperatures \[{{T}_{2}},{{T}_{2}}\] and \[{{T}_{3}}\] then temperature will be in order
  A)
  \[{{T}_{1}}={{T}_{2}}={{T}_{3}}\]
  done clear
  B)
  \[{{T}_{1}}>{{T}_{2}}={{T}_{3}}\]
  done clear
  C)
  \[{{T}_{1}}>{{T}_{2}}>{{T}_{3}}\]                                                                                                                                                                                                                                                                                                        
  done clear
  D)
  \[{{T}_{1}}<{{T}_{2}}<{{T}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer71) In ground state of chromium atom (Z = 24) the total number of orbitals populated by one or more electrons is
  A)
  15                                              
  done clear
  B)
  16
  done clear
  C)
  20                                              
  done clear
  D)
  14
  done clear
  View Answer play_arrow

• question_answer72) Which one/ones of the following reactions will yield 2-propanol? (I) \[C{{H}_{3}}-CHO\xrightarrow[(ii){{H}_{2}}O]{(i)C{{H}_{3}}Mgl}\] (II) \[C{{H}_{2}}O\xrightarrow[(ii){{H}_{2}}O]{(i){{C}_{2}}{{H}_{5}}Mgl}\] (III) \[C{{H}_{2}}=CH-C{{H}_{3}}+{{H}_{2}}O\xrightarrow{{{H}^{+}}}\] (IV) \[C{{H}_{2}}=CH-C{{H}_{3}}\xrightarrow{Neutral\,\,KMn{{O}_{4}}}\]
  A)
  I and III
  done clear
  B)
  II and III
  done clear
  C)
  III and IV                
  done clear
  D)
  II and IV
  done clear
  View Answer play_arrow

• question_answer73) The first orbital of H is represented by \[\psi =\frac{1}{\sqrt{\pi }}{{\left( \frac{1}{{{a}_{0}}} \right)}^{3/2}}{{e}^{-\pi /{{a}_{0}}}}\], where \[{{a}_{0}}\] is Bohr's radius. The probability of finding the electron at a distance r from the nucleus in the region \[dV\]is
  A)
  \[{{\psi }^{2}}dr\]
  done clear
  B)
  \[\int {{\psi }^{2}}4\pi {{r}^{2}}dV\]
  done clear
  C)
  \[{{\psi }^{2}}4\pi {{r}^{2}}dr\]
  done clear
  D)
  \[\int \psi dV\]
  done clear
  View Answer play_arrow

• question_answer74) The product (X) of following reaction is
  A)
  
  done clear
  B)
     
  done clear
  C)
    
  done clear
  D)
                 
  done clear
  View Answer play_arrow

• question_answer75) Which of the following is false?
  A)
  Methane molecule is tetrahedral in shape
  done clear
  B)
  Nickel tetrachloride is square planar in shape
  done clear
  C)
  \[{{P}_{2}}{{O}_{5}}\]is like two pyramids joined at their apiees
  done clear
  D)
   Acetylene is non-linear
  done clear
  View Answer play_arrow

• question_answer76) In the given reaction, the end product B is
  A)
  \[\underset{\begin{smallmatrix}  || \\  \text{O} \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{2}}C{{H}_{2}}\underset{\begin{smallmatrix}  || \\  \text{O} \end{smallmatrix}}{\mathop{C}}\,-O\,Et\]
  done clear
  B)
   \[\begin{align}   & C{{H}_{3}}-CH-COO\,Et \\  & | \\  & OH \\ \end{align}\]
  done clear
  C)
  \[C{{H}_{2}}=CH-COO\,Et\]
  done clear
  D)
   \[\begin{align}   & C{{H}_{3}}-CH-COO\, \\  & | \\  & OH \\ \end{align}\]
  done clear
  View Answer play_arrow

• question_answer77) \[{{K}_{2}}Mn{{O}_{4}}\] on heating gives
  A)
  \[{{K}_{2}}Mn{{O}_{4}},\,M{{n}_{2}}{{O}_{3}}\]
  done clear
  B)
  \[{{K}_{2}}Mn{{O}_{4}},\,MnO,{{O}_{2}}\]
  done clear
  C)
  \[{{K}_{2}}Mn{{O}_{4}},\,Mn{{O}_{2}},{{O}_{2}}\]
  done clear
  D)
  \[{{K}_{2}}Mn{{O}_{4}},\,Mn{{O}_{2}},{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer78) On subjecting mesityl oxide to the iodoform reaction, one of the products is the sodium salt of an organic acid. Which acid is obtained?
  A)
  \[{{(C{{H}_{3}})}_{2}}C=CH-C{{H}_{2}}COOH\]
  done clear
  B)
  \[{{(C{{H}_{3}})}_{2}}C=CH-CO-COOH\]
  done clear
  C)
  \[{{(C{{H}_{3}})}_{2}}C=CH-COOH\]
  done clear
  D)
  \[{{(C{{H}_{3}})}_{2}}CH-COOH\]
  done clear
  View Answer play_arrow

• question_answer79) Which compound is formed when excess of KCN is added to an aqueous solution of copper sulphate?
  A)
  \[Cu{{(CN)}_{2}}\]             
  done clear
  B)
  \[{{K}_{2}}[Cu{{(CN)}_{2}}]\]
  done clear
  C)
  \[K(Cu{{(CN)}_{2}}]\]                       
  done clear
  D)
  \[{{K}_{3}}[Cu{{(CN)}_{4}}]\]
  done clear
  View Answer play_arrow

• question_answer80) An organic compound (X) on reduction gives compound (Y). (Y) on treatment with\[CHC{{l}_{3}}\] and alcoholic KOH gives (Z). (Z) on catalytic reduction gives N- methylaniline. The compound (X) is
  A)
  nitrobenzene       
  done clear
  B)
  methyl amine
  done clear
  C)
  aniline                                     
  done clear
  D)
  nitromethane
  done clear
  View Answer play_arrow

• question_answer81) \[C{{O}_{2}}+P\to \,Q\xrightarrow{{{P}_{2}}{{O}_{5}}}R\] Which of the following are P and S in the above series of reactions?
  A)
  \[{{C}_{2}}{{H}_{5}}MgX\]and \[{{({{C}_{2}}{{H}_{5}})}_{2}}NC{{H}_{3}}\]
  done clear
  B)
  \[C{{H}_{3}}MgX\] and N-methyl -2 ? butanamine
  done clear
  C)
  \[C{{H}_{3}}MgX\] and N-ethyl ? 2 butanamine
  done clear
  D)
  \[{{C}_{2}}{{H}_{5}}MgX\]and \[{{(C{{H}_{3}})}_{2}}N{{C}_{2}}{{H}_{5}}\]
  done clear
  View Answer play_arrow

• question_answer82) 3-nitroaniline is subjected to the treatment of various reagents in the following sequences (i) \[NaN{{O}_{2}}/HCl,280\,K\] (ii) \[Kl\] (iii) Cu powder The final product will be
  A)
  3, 3?- diaminobiphenyl
  done clear
  B)
  ,3?- dinitrobiphenyl
  done clear
  C)
  3- nitroiodobenezene
  done clear
  D)
  3 - iodoaniline
  done clear
  View Answer play_arrow

• question_answer83) The specific rotation of \[\alpha \]- and \[\beta \]-forms of a monosaccharide are +29° and -17° respectively. When either form is dissolved in water the specific rotation of the equilibrium mixture was found to be +14°. What is the composition of these forms?                 \[\alpha \]- form \[\beta \]- form                 \[\alpha \]- form \[\beta \]- form
  A)
  67.4%      32.6%    
  done clear
  B)
  60%         40%
  done clear
  C)
  70%                 30%                 
  done clear
  D)
  50%          50%
  done clear
  View Answer play_arrow

• question_answer84) From the reaction,\[{{P}_{(white)}}\to {{P}_{(red)'}}\,\,\,\,\,\Delta H=-18.4\,kJ\]it follows that
  A)
  red P is readily formed from white P
  done clear
  B)
  white P is readily formed from red P
  done clear
  C)
  white P cannot be converted to red P
  done clear
  D)
  white P can be converted in to red P and red P is more stable
  done clear
  View Answer play_arrow

• question_answer85) \[Glu\cos e\xrightarrow{HCN}\,\,\xrightarrow{Hydrolysis}\,\,\xrightarrow{HI/\Delta }X,X\]is
  A)
  heptanol                
  done clear
  B)
  heptanoic acid
  done clear
  C)
  2- iodohexane     
  done clear
  D)
  heptane
  done clear
  View Answer play_arrow

• question_answer86) Find out the amount of polythene formed from 20 kg of calcium carbide from the following reactions. \[{{C}_{a}}{{C}_{2}}+2{{H}_{2}}O\to Ca{{(OH)}_{2}}+{{C}_{2}}{{H}_{2}}\] \[HC\equiv CH+{{H}_{2}}\xrightarrow{Pd-BaS{{O}_{4}}}C{{H}_{2}}=C{{H}_{2}}\] \[\begin{align}   & nC{{H}_{2}}=C{{H}_{2}}\to -{{(C{{H}_{2}}-C{{H}_{2}}-)}_{n}} \\  & Polythene \\ \end{align}\]
  A)
  6 g                                                             
  done clear
  B)
  9 kg
  done clear
  C)
  26 g                                          
  done clear
  D)
  29 kg
  done clear
  View Answer play_arrow

• question_answer87) A sample of polymer contains 30% molecules with molecular mass 20,000, 40% with molecular mass 20,000 and 30% .with molecular mass 60,000. What is the number average molecular mass of the polymer?
  A)
  27,000                     
  done clear
  B)
  36,000
  done clear
  C)
  43,000                     
  done clear
  D)
  64,000
  done clear
  View Answer play_arrow

• question_answer88) One of the most widely used drug in medicine, iodex is
  A)
  ethyl salicylate                     
  done clear
  B)
  methy salicylate
  done clear
  C)
  o-hydroxy benzoic acid
  done clear
  D)
  acetyl salicylic acid
  done clear
  View Answer play_arrow

• question_answer89) Which one of the following properties of alkali metals increases in magnitude as the atomic size increases?
  A)
  lohic radius            
  done clear
  B)
  Melting point
  done clear
  C)
  Electronegativity                
  done clear
  D)
  First ionisation energy
  done clear
  View Answer play_arrow

• question_answer90) Which of the following molecule acts as a bleaching agent?
  A)
  \[S{{O}_{2}}\]                      
  done clear
  B)
  \[C{{O}_{2}}\]  
  done clear
  C)
  \[N{{O}_{2}}\]                     
  done clear
  D)
  \[S{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer91) Which one of the following atoms will have largest size?
  A)
  Ca                                             
  done clear
  B)
  Na    
  done clear
  C)
  Mg                                            
  done clear
  D)
  Be
  done clear
  View Answer play_arrow

• question_answer92) At \[pH=2,{{E}^{\circ }}_{quinhydrone}=1.30\,\,V,\] \[{{E}_{quinhydrone}}\] will be
  A)
  1.36 V                      
  done clear
  B)
  1.30 V
  done clear
  C)
  1.42 V                      
  done clear
  D)
  1.20 V
  done clear
  View Answer play_arrow

• question_answer93) 1 mole of \[MnO_{4}^{2-}\]in neutral aqueous medium disproportionate to
  A)
  \[\frac{2}{3}\]mole of \[MnO_{4}^{-}\] and \[\frac{1}{3}\] mole of \[Mn{{O}_{2}}\]
  done clear
  B)
  \[\frac{1}{3}\] mole of \[MnO_{4}^{-}\] and \[\frac{2}{3}\] mole of \[Mn{{O}_{2}}\]
  done clear
  C)
  \[\frac{1}{2}\]mole of \[M{{n}_{2}}{{O}_{7}}\] and \[\frac{1}{3}\] mole of \[Mn{{O}_{2}}\]
  done clear
  D)
  \[\frac{2}{3}\] mole of \[M{{n}_{2}}{{O}_{7}}\] and \[\frac{1}{3}\]mole of \[Mn{{O}_{2}}\]                                                               
  done clear
  View Answer play_arrow

• question_answer94) Which one of the following compounds is shown its strongest hydrogen bonding?
  A)
  Ammonia                               
  done clear
  B)
  \[{{H}_{2}}{{O}_{2}}\]
  done clear
  C)
  HF                                             
  done clear
  D)
  \[{{H}_{2}}O\]                      
  done clear
  View Answer play_arrow

• question_answer95) Which plot represents for an exothermic reaction?
  A)
                     
  done clear
  B)
  
  done clear
  C)
                       
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer96) Which of the following compound does not exist?
  A)
  \[N{{F}_{5}}\]                                      
  done clear
  B)
  \[P{{F}_{5}}\]
  done clear
  C)
  \[As{{F}_{5}}\]                                     
  done clear
  D)
  \[Sb{{F}_{5}}\]
  done clear
  View Answer play_arrow

• question_answer97) Which of the following statements is not true?       
  A)
  The ratio of the mean speed of the RMS speed is independent of the temperature                      
  done clear
  B)
  The square of the mean speed of the molecules is equal to the mean square speed at a certain temperature
  done clear
  C)
  Mean kinetic energy of the gas molecules at any given temperature is independent of the mean speed                               
  done clear
  D)
  The difference between RMS speed and mean speed at any temperature for different diminishes as larger and yet larger molar masses are considered
  done clear
  View Answer play_arrow

• question_answer98) How many g of \[NaOH\]will be needed to prepare 250 mL of 0.1 M solution?
  A)
  1g                                              
  done clear
  B)
  10 g
  done clear
  C)
   4g                                             
  done clear
  D)
  6 g
  done clear
  View Answer play_arrow

• question_answer99) Nobel gases does show inert behavior because
  A)
  they are mono atomic
  done clear
  B)
  they are found in abundance
  done clear
  C)
  the size of their atom is very small
  done clear
  D)
  they are completely paired up and have stable electrons shells
  done clear
  View Answer play_arrow

• question_answer100) When 100 g of ethylene polymerises to polyethylene according to the equation \[nC{{H}_{2}}=C{{H}_{2}}\to -{{(C{{H}_{2}}-C{{H}_{2}}-)}_{n}}\] The weight of polyethylene produced will be
  A)
   \[\frac{n}{2}g\]
  done clear
  B)
  100 g
  done clear
  C)
  \[\frac{100}{n}g\]
  done clear
  D)
  100 ng
  done clear
  View Answer play_arrow

• question_answer101) Match the column I and column II and select the correct option given below

  Column I	Column II
  (A) Planaria	(1) Binary fission
  (B) Fungi	(2) Asexual spores
  (C) Yeast	(3) Budding
  (D) Amoeba	(4) True regeneration
  	(5) Fragmentation

         
  A)
                  A-1         B-2        C-3         D-4
  done clear
  B)
                  A-2         B-5        C-1         D-4
  done clear
  C)
                  A-4         B-2        C-3         D-1
  done clear
  D)
                  A-5         B-2        C-3         D-4
  done clear
  View Answer play_arrow

• question_answer102) Housekeeping proteins are found in
  A)
  endoplasmic reticulum
  done clear
  B)
  cytoskeleton
  done clear
  C)
  Glogi complex
  done clear
  D)
  All of the above
  done clear
  View Answer play_arrow

• question_answer103) What happens during fertilisation in humans after many sperms reach close to ovum?
  A)
  Cells of corona radiata trap all sperms except one
  done clear
  B)
  Only two sperms nearest the ovum penetrate zona pellucida
  done clear
  C)
  Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida
  done clear
  D)
  All sperms except the one nearest to ovum loose their tails
  done clear
  View Answer play_arrow

• question_answer104) In photoactive plants, during daytime the following ionic flux of guard cell is directly involves the expenditure of energy
  A)
  outward movement of malate
  done clear
  B)
  inward movement of \[{{K}^{+}}\]
  done clear
  C)
  outward movement of protons
  done clear
  D)
  inward movement of \[C{{l}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer105) The hilum and microphyle lie side by side very close to each other in
  A)
  anatropous ovule   
  done clear
  B)
  campylotropous ovule
  done clear
  C)
  amphitropous ovule
  done clear
  D)
  circinotropous ovule
  done clear
  View Answer play_arrow

• question_answer106) Which one of the following cranial nerve is carrying the nerve fibres originating from Edinger-westphal nucleus?
  A)
  oculomotor           
  done clear
  B)
  Trochlear
  done clear
  C)
  Abducens              
  done clear
  D)
  Vagus
  done clear
  View Answer play_arrow

• question_answer107) Given below are four matchings of an animal and its kind of respiratory organ .         (I) Silver fish?Trachea (II) Scorpion?Book lung (III) Sea squirt?Pharyngeal slits (IV) Dolphin?Skin Correct options
  A)
  II and IV                  
  done clear
  B)
  III and IV
  done clear
  C)
  I and IV                   
  done clear
  D)
  I,II and III
  done clear
  View Answer play_arrow

• question_answer108) \[{{G}_{6}}-P\]dehydrogenase deficiency is associated with haemolysis of
  A)
  lymphocytes        
  done clear
  B)
  RBCs                 
  done clear
  C)
  platelets                 
  done clear
  D)
  leucocytes
  done clear
  View Answer play_arrow

• question_answer109) Number of meiosis for formation of 64  zygotes in angiosperms is 80 but, in gymnosperms number of meiosis for formation of 64 will                      
  A)
  40                                              
  done clear
  B)
  80     
  done clear
  C)
  160                                           
  done clear
  D)
  20
  done clear
  View Answer play_arrow

• question_answer110) Gout is a disease that affects the joints and leads to arthritis. It is associated with   abnormality of                               
  A)
  pyrimidine metabolism     
  done clear
  B)
  purine metabolism                            
  done clear
  C)
  fat metabolism                                  
  done clear
  D)
  protein metabolism
  done clear
  View Answer play_arrow

• question_answer111) \[N{{a}^{+}},{{K}^{+}}\]pump is found in membranes of   many cells, like nerve cells. It work against    eleccrochemical gradient and involve an     integral protein ATP. For each molecule of ATP used
  A)
  3 ions of \[N{{a}^{+}}\]pumped out and \[2{{K}^{+}}\]are taken in
  done clear
  B)
  3 ions of \[N{{a}^{+}}\]are taken in and \[2{{K}^{+}}\] are pumped out
  done clear
  C)
  2 ion of \[N{{a}^{+}}\]are thrown out and \[3{{K}^{+}}\]are     absorbed                                     
  done clear
  D)
  3 ion of \[{{K}^{+}}\]are absorbed and 3\[N{{a}^{+}}\]are pumped out
  done clear
  View Answer play_arrow

• question_answer112) Refer the following features. (I) Adenohypophysis produces gonadotropins (II) Besides sex cells, hormones are also produced by testis and ovary. (III) Testosterone is produced by Leydig's cells. (IV) Oestrogen is produced by ovary. Which of the above factors influence secondary sexual characters?
  A)
  III and IV                
  done clear
  B)
  II, III and IV
  done clear
  C)
  II and IV                  
  done clear
  D)
  All of these
  done clear
  View Answer play_arrow

• question_answer113) Which hormone causes dilation of blood vessels, increased oxygen consumption and glycogenolysis?
  A)
  ACTH                                       
  done clear
  B)
  Insulin
  done clear
  C)
  Adrenaline            
  done clear
  D)
  Glucagon
  done clear
  View Answer play_arrow

• question_answer114) How many plants in the list below have composite fruits that develop from an inflorescence? Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry
  A)
  4                                                
  done clear
  B)
  5     
  done clear
  C)
  2                                                
  done clear
  D)
  3
  done clear
  View Answer play_arrow

• question_answer115) If a starving plant is provided with glucose, the rate of respiration is
  A)
  fall first then rise
  done clear
  B)
  becomes constant
  done clear
  C)
  first rise then fall
  done clear
  D)
  increase
  done clear
  View Answer play_arrow

• question_answer116) Choose the correct combination of labelling the hormonal control of female reproductive system.  
  A)
  A-GnRH, B-TSH, C-LTH, D-Uterus
  done clear
  B)
  A-GnRH, B-LH/FSH, C-Oestrogen, D-Uterus
  done clear
  C)
  A-GnRH, B-STH, C-LH, D-Uterus
  done clear
  D)
  A-GnRH, B-ACTH, C-LH, D-Uterus
  done clear
  View Answer play_arrow

• question_answer117) Study the following statements regarding to the preparation of herbarium sheets. (I) Plants should be collected in flowering stage. (II) Every detail regarding the plant such as locality, ecological conditions vegetative and floral characters, etc should be noted. (III) Plants are evenly pressed by unfolding all the plants parts between blotting papers (or newspapers) with the help of plant presser.     (IV) Blotting paper need not to be changed until plants get dried.                        (V) After drying, the plants specimen is    carefully mounted/pasted on the herbarium sheets. (VI) The herbarium sheet is labelled on the lower right hand corner representing the number of plant specimen, date of collection, etc. Which of the above statement (s) is not correct?
  A)
  Only I                       
  done clear
  B)
  Only IV
  done clear
  C)
  I and IV                   
  done clear
  D)
  III and IV
  done clear
  View Answer play_arrow

• question_answer118) Severe Acute Repiratory Syndrome (SARS)
  A)
  is caused by a variant of Pneumococcus pneumonia
  done clear
  B)
  is caused by a variant of the common cold virus (corona virus)
  done clear
  C)
  is an acute form of asthma .
  done clear
  D)
  affects non-vegetarians than the vegetarians
  done clear
  View Answer play_arrow

• question_answer119) Which of the following flower shows the features of autogamy?
  A)
  Viola papillionacea             
  done clear
  B)
  Cicer arietinum
  done clear
  C)
  Trjticum aestivum    
  done clear
  D)
  Ricinus communis
  done clear
  View Answer play_arrow

• question_answer120) Select the correct statement about Periplaneta americana.
  A)
   Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives.
  done clear
  B)
  Males bear a pair of short thread like anal styles.
  done clear
  C)
  There are very long malpighian tubules present at the functions of Midgut and hindgut.
  done clear
  D)
  Grinding of food is carried out only by mouth parts.
  done clear
  View Answer play_arrow

• question_answer121) Which of the following observations most strongly support the view that mitochondria contain electron transport enzymes aggregated in compact association?
  A)
  Mitochondria have highly folded inner wall
  done clear
  B)
  Disruption of mitochondria yields membrane fragments, which are able to synthesis ATP
  done clear
  C)
  A contractile protein capable of utilise ATP, which has been obtained from mitochondria
  done clear
  D)
  Mitochondria is animal embryos have tendency to concentrate in cells, which are to become locomotory structures
  done clear
  View Answer play_arrow

• question_answer122) Match the column I and column II and choose the correct option initiation.

  Column I	Column II
  (A) Initiation of spindle fibres	(1) Anaphase ? I
  (B) Synthesis of RNA and protein	(2) Zygotene
  (C) Action of endonuclease	(3) \[{{G}_{1}}-\]phase
  (D) Movement of chromatids towards the opposite poles	(4) Pachytene (5) Anaphase-II

  A)
                    A-2       B-3           C-4         D-5
  done clear
  B)
  A-3       B-2               C-1         D-5
  done clear
  C)
  A-1       B-3               C-5         D-4
  done clear
  D)
  A-5       B-3               C-1         D-2
  done clear
  View Answer play_arrow

• question_answer123) Pea seed absorbs more water as compared to paddy and swell up because
  A)
  proteins in pea absorb water
  done clear
  B)
  hard coat of paddy prevents water absorption
  done clear
  C)
  wall of paddy is impermeable to water
  done clear
  D)
  osmotic potential of pea seeds is more than that of paddy
  done clear
  View Answer play_arrow

• question_answer124) A small isolated population is more likely to undergo speciation than a large population because a small population
  A)
  is more affected by genetic drift and natural selection
  done clear
  B)
  contains, relatively more genetic diversity
  done clear
  C)
  is more susceptible to gene flow
  done clear
  D)
  has a higher mutation rate
  done clear
  View Answer play_arrow

• question_answer125) In the treatment of waste water discharge which treatment stage involves biological treatment?
  A)
  Primary treatment
  done clear
  B)
  Secondary treatment
  done clear
  C)
  Tertiary treatment
  done clear
  D)
  Reservoir osmosis stage
  done clear
  View Answer play_arrow

• question_answer126) The reflectivity percentage of incident light on earth is meteorologically called as
  A)
  tornado                  
  done clear
  B)
  albedo
  done clear
  C)
  refraction              
  done clear
  D)
  reradiation
  done clear
  View Answer play_arrow

• question_answer127) Certain plants convert a substantial amount of photosynthate into latex. Most of them belong to which family?
  A)
  Euphorbiaceae                    
  done clear
  B)
  Malvaceae
  done clear
  C)
  Asteraceae           
  done clear
  D)
  Sterculiaceae
  done clear
  View Answer play_arrow

• question_answer128) A historic convention on biological diversity held in Rio de Janerio in 1992 is known as  
  A)
  The earth summit              
  done clear
  B)
  Montreal protocol      
  done clear
  C)
  Geneva convention          
  done clear
  D)
  Janerio convention     
  done clear
  View Answer play_arrow

• question_answer129) The most commonly used marker enzyme in clinical diagnosis of prostate cancer is       
  A)
  amylase           
  done clear
  B)
  alkaline phosphatase   
  done clear
  C)
  Y-GTPase          
  done clear
  D)
  Acid phosphatase     
  done clear
  View Answer play_arrow

• question_answer130) In humans retrovirus is considered as a cause of cancer because
  A)
  in their genome oncogene is present            
  done clear
  B)
  their hereditary material made up of single    stranded RNA  
  done clear
  C)
  they have a gene for reverse transcriptase.     
  done clear
  D)
  in their genome their may be cellular protooncogene                                 
  done clear
  View Answer play_arrow

• question_answer131) Read the statement and fill the blanks with appropriate terms.                           A drug used for \[\begin{align}   & A \\  & ... \\ \end{align}\] obtained from a species of     the organism \[\begin{align}   & B \\  & ... \\ \end{align}\]
  A)
                                     Swine flu                                 Monascus
  done clear
  B)
  AIDS                                          Pseudomonas
  done clear
  C)
  Heart                                        Penicillium
  done clear
  D)
  Organ transplant                 Trichoderma
  done clear
  View Answer play_arrow

• question_answer132)                                                                           Which of the following statements is correct for pollen tube?
  A)
  It shows chemotactic movement
  done clear
  B)
  It shows only growth
  done clear
  C)
  It is composed of three non-cellular zones
  done clear
  D)
  It shows radial cytoplasmic streaming
  done clear
  View Answer play_arrow

• question_answer133) Fertilisin is a chemical substance produced from                              
  A)
  mature eggs (ovum)                            
  done clear
  B)
  acrosome                                 
  done clear
  C)
  polar bodies
  done clear
  D)
  middle piece of sperm
  done clear
  View Answer play_arrow

• question_answer134) Humerus files into glenoid cavity is an example of
  A)
  ball and socket joint
  done clear
  B)
  pivot joint                 
  done clear
  C)
  peg and socket joint
  done clear
  D)
  condyloid joint             
  done clear
  View Answer play_arrow

• question_answer135) If the diploid number of an angiospermic plant is 24, the number of chromosomes in   pollen grain, endosperm and integument will be                                      
  A)
  12,36, 12                                 
  done clear
  B)
  12,24,36
  done clear
  C)
                  12, 12, 36                            
  done clear
  D)
  12, 36, 24
  done clear
  View Answer play_arrow

• question_answer136) If loop of Henie is absent from mammalian nephron which of the following is expected?
  A)
  Urine will be more concentrated
  done clear
  B)
  Urine will be more diluted
  done clear
  C)
  No urine formation
  done clear
  D)
  No change in quality and quantity
  done clear
  View Answer play_arrow

• question_answer137) The endosperm found in angiospermic seed is different from that of gymnosperm in the sense that in the former
  A)
  it is formed before fertilisation while latter is formed after fertilization
  done clear
  B)
  it is formed after fertilisation while letter is formed before fertilization
  done clear
  C)
  it is cellular while latter is nuclear
  done clear
  D)
  it is nutritive while latter is protective
  done clear
  View Answer play_arrow

• question_answer138) Identify wrongly matched pair.
  A)
  Typhoid-Widal test
  done clear
  B)
  Plague-Viral disease
  done clear
  C)
  Malignant malaria-Plasmodium falciparum
  done clear
  D)
  Common cold-Rhinovirus
  done clear
  View Answer play_arrow

• question_answer139) The psychological disorder, which is characterised by sadness, hoplessness, law self-estesm, decline in interest, energy, concentration and changes in sleep pattern and appetite is called
  A)
  anxiety disorder
  done clear
  B)
  obessive-compulsive disorder
  done clear
  C)
  attention deficit disorder
  done clear
  D)
  mood disorder
  done clear
  View Answer play_arrow

• question_answer140) In which of the following types of the fruit is multilocular and split open longitudinally . along dorsal sutures?
  A)
  Capsular                 
  done clear
  B)
  Loculicidal
  done clear
  C)
  Septicidal               
  done clear
  D)
  Septifragel
  done clear
  View Answer play_arrow

• question_answer141) Which of the following are required for blood clothing?
  A)
  \[{{K}^{+}}\], thromboplastin  
  done clear
  B)
  \[C{{a}^{2+}}\], thromboplastin
  done clear
  C)
  \[N{{a}^{+}},C{{a}^{2+}}\]         
  done clear
  D)
  \[{{K}^{+}}\], prothrombin
  done clear
  View Answer play_arrow

• question_answer142) Monascus purpureus is a yeast used commercially in the production of
  A)
  ethanol
  done clear
  B)
  streptokinase for remaining of dots from blood vessels
  done clear
  C)
  citric acid
  done clear
  D)
  blood cholestrol lowering statins
  done clear
  View Answer play_arrow

• question_answer143) The yellowish fluid colostrum has abundant antibodies to protect infant
  A)
  lg A                                           
  done clear
  B)
  lg G
  done clear
  C)
  lg M                                          
  done clear
  D)
  lg E
  done clear
  View Answer play_arrow

• question_answer144) In electron transport system in the inner mitochondria member, complexes I and IV are respectively
  A)
  NADH dehydrogenase and \[FAD{{H}_{2}}\]
  done clear
  B)
  \[NAD{{H}_{2}}\]and NADH dehydrogenase
  done clear
  C)
  NADH dehydrogenase and cytochrome-c oxidase
  done clear
  D)
  NADH dehydrogenase and ATP synthase
  done clear
  View Answer play_arrow

• question_answer145) Which one of the following is wrong matched?
  A)
  Vitamin- \[{{B}_{12}}-\] Pernicious anaemia
  done clear
  B)
  Vitamin- \[{{B}_{6}}-\] Loss of appetite
  done clear
  C)
  Vitamin- \[{{B}_{1}}-\] Beri-beri
  done clear
  D)
  Vitamin- \[{{B}_{2}}-\] Pellagra
  done clear
  View Answer play_arrow

• question_answer146) Match column I with column II and choose correct option.

  Column I	Column II
  (A) Aspergillus niger	(1) Ethanol
  (B) Clostridium butylicum	(2) Stains
  (C) Saccharomyces  cerevisiae	(3) Butyric acid
  (D) Trichoderma  cerevisiae	(4) Citric acid
  (E) Monascus purpureus	(5) Cyclosporin - A

  A)
  A-3     B-5    C-2    D-1      E-3
  done clear
  B)
  A-5     B-4    C-1    D-2      E-3
  done clear
  C)
  A-4     B-3    C-1    D-5      E-2
  done clear
  D)
  A-3     B-4    C-5    D-1      E-2
  done clear
  View Answer play_arrow

• question_answer147)                                120° phyllotaxy is found is  
  A)
    tristichous                                           
  done clear
  B)
  pentastichous                                        
  done clear
  C)
  distichous                                              
  done clear
  D)
  octastichous
  done clear
  View Answer play_arrow

• question_answer148) With reference to enzymes, turnover number means......
  A)
  the number of substrate molecules that a molecule of an enzyme converts into products per hour           
  done clear
  B)
  the number of substrate molecules that a  molecule of an enzyme converts into products per second
  done clear
  C)
  the number of substrate molecules that a molecule of an enzyme convert into products per minute
  done clear
  D)
  the number of substrate molecules that a molecule of an enzyme converts into products per day
  done clear
  View Answer play_arrow

• question_answer149) Match column I with column II and choose the correct option.

  Column I	Column II
  (A) Xanthium	(1) Its   flower   opens   at   high temperature.
  (B) Crocus	(2) Earlier and higher yield of crop can be obtained by keeping its seed at low temperature between 1 to \[{{10}^{\circ }}\] C.
  (C) Millet	(3) Growth regulator can be obtained from one part of it.
  (D) Coconut	(4) It produces flower, when period of light is less than critical period. (5) It is an example of photonasty. (6) It produces flower, when period of light available is more than critical period.

  A)
  A-4     B-2    C-6    D-1        
  done clear
  B)
  A-6     B-2    C-3    D-5
  done clear
  C)
  A-4     B-1    C-2    D-3
  done clear
  D)
  A-4     B-5    C-6    D-1
  done clear
  View Answer play_arrow

• question_answer150) Some of the common steps involved in the production of humulin are given below. Choose the correct sequence. (I) Synthesis of gene (DNA) for human insulin artificially. (II) Culturing of recombinant E. coli in bacteria. (III) Purification of humulin. (IV) Insertion of human insulin gene in plasmid DNA. (V) Introduction of recombinant plasmid into E. coli. (VI) Extraction of recombinant gene product from E. coli.
  A)
  II, I, IV, III, V, VI         
  done clear
  B)
  I, III, V, VI, II, IV
  done clear
  C)
  I, IV, V, II, VI, III                   
  done clear
  D)
  III, V, II, I, VI, IV
  done clear
  View Answer play_arrow

• question_answer151) Which one of the following is match correctly?
  A)
  Urea - 5-10 mg/100 mL of blood
  done clear
  B)
  Blood sugar (fasting)-70-100 mg/100 mL
  done clear
  C)
  Total blood volume-5-6 litre
  done clear
  D)
  ESR is wintrobe method-9-15 mm in males and 20-34 mm in females
  done clear
  View Answer play_arrow

• question_answer152) A single cell protein refers to
  A)
  a specific protein extracted from pure culture of single type of cells
  done clear
  B)
  sources of mixed proteins extracted from pure or mixed culture of microorganisms or cells
  done clear
  C)
  proteins extracted from a single cell
  done clear
  D)
  a specific protein extracted from a single cell
  done clear
  View Answer play_arrow

• question_answer153) Which plant hormone promotes seed dormany, bud dormancy and causes stomatal closure?
  A)
  IAA                           
  done clear
  B)
  Abscisic Acid (ABA)
  done clear
  C)
  GA (Gibberellic Acid)
  done clear
  D)
  Cytokinin
  done clear
  View Answer play_arrow

• question_answer154) Match column I with column II and choose correct option.

  Column I	Column II
  (A) Pacific salmon fish	(1) Verhulst-parl logistic Growth
  (B) \[{{N}_{1}}={{N}_{0}}{{e}^{rt}}\]	(2)  Breeds only once in life time
  (C) Oyster	(3) Exponential growth
  (D) \[dN/dt=rN\left[ \frac{K-N}{k} \right]\]	(4) A large number of small sized offsprings

  A)
  A-4     B-3    C-1    D-2
  done clear
  B)
  A-3     B-4    C-1    D-2
  done clear
  C)
  A-3     B-1    C-4    D-2
  done clear
  D)
  A-2     B-3    C-4    D-1
  done clear
  View Answer play_arrow

• question_answer155) If levels of carboxy haemoglobin in blood reaches up to......the functioning of central nervous system is severly affected which causes death?
  A)
  1 to 2%                    
  done clear
  B)
   0.20 to 0.30%
  done clear
  C)
  0.30 to 0.40%       
  done clear
  D)
  0.1 to 5%
  done clear
  View Answer play_arrow

• question_answer156) The percentage ratio of natality over mortality is known as
  A)
  vital index
  done clear
  B)
  population density
  done clear
  C)
  total count of individuals
  done clear
  D)
  fertility rate
  done clear
  View Answer play_arrow

• question_answer157) The cardiac pacemaker in a patient facts to function normally. The doctor find that an artificially pacemaker is to be grafted in him. It is likely that it will be grafted at the site of
  A)
  atrioventricular bundle
  done clear
  B)
  Purkinje system           
  done clear
  C)
  sinoatrial node      
  done clear
  D)
  (d) atrioventricular node       
  done clear
  View Answer play_arrow

• question_answer158) In Pisum sativum there are 14 chromosomes. How many pairs with different chromosomal composition can be prepared?
  A)
  14                                              
  done clear
  B)
  \[{{2}^{14}}\]
  done clear
  C)
   7                                               
  done clear
  D)
  \[{{2}^{7}}\]
  done clear
  View Answer play_arrow

• question_answer159) The soil which is transported by wind is known as
  A)
  colluvial soil           
  done clear
  B)
  alluvial soil
  done clear
  C)
  eolion soil              
  done clear
  D)
  glacial soil
  done clear
  View Answer play_arrow

• question_answer160) Post-transcriptional modification    in eukaryotes referred to as
  A)
  translation             
  done clear
  B)
  splicing
  done clear
  C)
  sequencing          
  done clear
  D)
  restriction
  done clear
  View Answer play_arrow

• question_answer161) The unequivocal proof of DNA as genetic material come from studies on a
  A)
  viroid                                       
  done clear
  B)
  bacterial virus
  done clear
  C)
  bacterium              
  done clear
  D)
  fungus
  done clear
  View Answer play_arrow

• question_answer162) Prolonged liberal irrigation of agricultural fields is likely to create the problem of
  A)
  acidity                     
  done clear
  B)
  aridity.
  done clear
  C)
  metal toxicity                       
  done clear
  D)
  salinity
  done clear
  View Answer play_arrow

• question_answer163) Nucleotide arrangement in DNA can be seen by
  A)
  X-ray crystallography
  done clear
  B)
  electron microscope
  done clear
  C)
  ultracentrifuge       
  done clear
  D)
  light microscope
  done clear
  View Answer play_arrow

• question_answer164) Statement   (A) All  metatherians  are placental animals. Statement (B) All placental mammals have menstrual cycle.
  A)
  Statement A is true B statement is false.
  done clear
  B)
  Statement A is false B is true.
  done clear
  C)
  Both statements A and B are true.
  done clear
  D)
  Both are false.
  done clear
  View Answer play_arrow

• question_answer165) Which of the following statements is wrong is respect of viability of mammalian sperm?
  A)
  Sperm is viable only up to 24 h.
  done clear
  B)
  Survival of sperm depends on pH of medium.
  done clear
  C)
  Viability is determined by its motality.
  done clear
  D)
  Sperm must be concentrated in a thick suspension.
  done clear
  View Answer play_arrow

• question_answer166) Which of the following region lying between meristematic region and root cap?
  A)
  Elongation region   
  done clear
  B)
  Stationary region
  done clear
  C)
  Root hair region     
  done clear
  D)
  Quiescent centre
  done clear
  View Answer play_arrow

• question_answer167) An inflorescence in which flowers arise from different points but reach the same level is known as?
  A)
  Catkin                      
  done clear
  B)
  Corymb 
  done clear
  C)
  Umbel                     
  done clear
  D)
  Spadix
  done clear
  View Answer play_arrow

• question_answer168) The central dogma of protein synthesis is kinetoplastid is
  A)
  \[G-RNA\to DNA\to mRNA\to protein\]
  done clear
  B)
  \[DNA\to G-RNA\to mRNA\to protein\]
  done clear
  C)
  \[DNA\to DNA\to mRNA\to protein\]
  done clear
  D)
  \[mRNA\to G-RNA\to DNA\to protein\]
  done clear
  View Answer play_arrow

• question_answer169) A teacher was explaining about a constant physical contact involving almost equal physiological interdependence in two different thalloid forms. He was trying to explain
  A)
  mycorrhizal association
  done clear
  B)
  establishment of heterothallism
  done clear
  C)
  operation of heterothallism
  done clear
  D)
  advent of lichen formation
  done clear
  View Answer play_arrow

• question_answer170) Even after killing the generative cell with a laser beam, the pollen grain of flowering plant germinates and produces normal pollen tube because
  A)
  laser beam stimulates pollen germination and pollen tube growth
  done clear
  B)
  the laser beam does not damage the region from which pollen tube emerges
  done clear
  C)
  the contents of killed generative cell permit germination and pollen tube growth
  done clear
  D)
  the vegetative cell has not been damaged
  done clear
  View Answer play_arrow