Solved papers for AIIMS AIIMS Solved Paper-2010

done AIIMS Solved Paper-2010 Total Questions - 200

• question_answer1) The dimensions of universal gas constant is
  A)
  \[v=\sqrt{2\left( \frac{g}{8} \right)h}\]                  
  done clear
  B)
   \[v=\frac{\sqrt{gh}}{2}\]                             
  done clear
  C)
   \[t=\frac{v}{g}\left[ 1+\sqrt{1+\frac{2gh}{{{v}^{2}}}} \right]\]    
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer2) A metal plate 4 mm thick has a temperature difference of \[32{}^\circ C\] between its faces. It transmits 200 kcal/h through an area of \[5\,c{{m}^{2}}\]. Thermal conductivity of the material is
  A)
  \[58.33\text{ }W/m-{}^\circ C\]                 
  done clear
  B)
  \[33.58\text{ }W/m-{}^\circ C\]
  done clear
  C)
  \[5x10-4\text{ }W/m-{}^\circ C\]
  done clear
  D)
  None of these
  done clear
  View Answer play_arrow

• question_answer3) A balloon rises from rest with a constant acceleration g/8- A stone is relased from it when it has risen to height h. The time taken by the stone to reach the ground is
  A)
   \[=\frac{\sqrt{gh}/2}{g}\left[ 1+\sqrt{1+\frac{2gh}{gh/4}} \right]\]                                         
  done clear
  B)
   \[=\frac{2\sqrt{gh}}{g}=2\sqrt{\frac{h}{g}}\]                     
  done clear
  C)
   \[=\frac{M{{R}^{2}}}{2}\]                           
  done clear
  D)
         \[=M\left( \frac{{{L}^{2}}}{I2}+\frac{{{L}^{2}}}{4} \right)\]
  done clear
  View Answer play_arrow

• question_answer4) A uniform cylinder has a radius R and length L. If the moment of inertia of this cylinder about an axis passing through its centre and normal to its circular face is equal to the moment of inertia of the same cylinder about an axis passing through its centre and perpendicular to its length, then
  A)
   L = R
  done clear
  B)
                                         L = \[\frac{M{{L}^{2}}}{12}+\frac{M{{R}^{2}}}{4}=\frac{M{{R}^{2}}}{2}\] R           
  done clear
  C)
         \[L=\frac{R}{\sqrt{3}}\]               
  done clear
  D)
         \[L=\sqrt{\frac{3}{2}}R\]
  done clear
  View Answer play_arrow

• question_answer5) If the value of g at the surface of the earth is \[9.8\,\,/m/{{s}^{2}}\] then the value of g at a place 480 km above the surface of the earth will be (.radius of the earth is 6400 km)
  A)
   \[8.4\,m/{{s}^{2}}\]                                      
  done clear
  B)
   \[9.8\,m/{{s}^{2}}\]          
  done clear
  C)
            \[7.2\,m/{{s}^{2}}\]      
  done clear
  D)
         \[4.2\,m/{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer6) If pressure of \[C{{O}_{2}}\] (real gas) in a container is given by \[p=\frac{RT}{2V-b}\,-\frac{9}{4{{b}^{2}}},\] then mass of the gas in container is
  A)
   11 g                                      
  done clear
  B)
   22 g                      
  done clear
  C)
         33 g                      
  done clear
  D)
         44 g
  done clear
  View Answer play_arrow

• question_answer7) Two simple pendulums first of bob mass \[\therefore \] and length\[g=g\frac{{{R}^{2}}}{{{(R+h)}^{2}}}=\frac{9.8\times {{(6400)}^{2}}}{{{(6400+480)}^{2}}}\], second of bob mass \[=8.4m/{{s}^{2}}\] and length \[\left( P+\frac{{{\mu }^{2}}a}{{{V}^{2}}} \right)(V-\mu b)=\mu RT\] and\[P=\left( \frac{\mu RT}{V-\mu b} \right)-\frac{{{\mu }^{2}}a}{{{V}^{2}}}\]. If the vibrational energies of both are same. Then which is correct?
  A)
   Amplitude of B greater than A
  done clear
  B)
   Amplitude of B smaller than A
  done clear
  C)
   Amplitude will be same
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer8) The mass and diameter of a planet are twice those of earth. The period of oscillation of pendulum on this planet will be (if it is a seconds pendulum on earth)
  A)
  \[P=\left( \frac{RT}{2V-b}-\frac{a}{4{{b}^{2}}} \right)\]                                 
  done clear
  B)
  \[\mu =\frac{1}{2}\]                      
  done clear
  C)
        \[\mu =\frac{m}{M}\]                   
  done clear
  D)
         \[\Rightarrow \]
  done clear
  View Answer play_arrow

• question_answer9) A cord is used to lower vertically a block of mass M by a distance d with constant downward acceleration \[m=\mu M=\frac{1}{2}\times 44=22g\]. Work done by the cord on the block is
  A)
   \[n=\frac{1}{2\pi }\sqrt{\frac{g}{l}}\]                                     
  done clear
  B)
   \[n=\frac{1}{2\pi }\sqrt{\frac{g}{l}}\]     
  done clear
  C)
         \[[M{{L}^{2}}{{T}^{-2}}{{\theta }^{-1}}]\]            
  done clear
  D)
         \[Mgd\]
  done clear
  View Answer play_arrow

• question_answer10) A force F is applied on the wire of radius rand length L and change in the length of wire is I. If the same force F is applied on the wire of the same material and radius 2r and length 2L, then the change in length of the other wire is
  A)
  \[[{{M}^{2}}L{{T}^{-2}}\theta ]\]                                              
  done clear
  B)
  \[[M{{L}^{3}}{{T}^{-2}}{{\theta }^{-1}}]\]                             
  done clear
  C)
        \[4\sqrt{\frac{h}{g}}\]                   
  done clear
  D)
        \[2\sqrt{\frac{h}{g}}\]
  done clear
  View Answer play_arrow

• question_answer11) When a copper voltmeter is connected with a battery of emf 12 V. 2 g of copper is deposited in 30 min. If the same voltmeter is connected across a 6 V battery then the mass of copper deposited in 45 min would be
  A)
   1g                                         
  done clear
  B)
   1.5g                      
  done clear
  C)
         2 g                        
  done clear
  D)
         2.5 g
  done clear
  View Answer play_arrow

• question_answer12) A network of four capacitors of capacities equal to \[\sqrt{\frac{2h}{g}}\]and \[\sqrt{\frac{h}{g}}\] are connected to a battery as shown in the figure. The ratio of the charges on \[\sqrt{3}\] and \[\frac{R}{\sqrt{3}}\] is
  A)
  \[\sqrt{\frac{3}{2}}R\]                                   
  done clear
  B)
  \[\frac{RT}{2V-b}-\frac{9}{4{{b}^{2}}},\]                               
  done clear
  C)
        \[{{M}_{1}}\]                    
  done clear
  D)
        \[{{L}_{1}}\]
  done clear
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• question_answer13) The work functions for metals A, B and C are respectively 1.92 eV, 2.0 eV and 5 eV. According to Einsteins equation, the metal (s) which will emit photoelectrons for a radiation of wavelength 4100\[{{M}_{2}}\] is/are
  A)
   A only                                 
  done clear
  B)
   A and B               
  done clear
  C)
         All of these      
  done clear
  D)
         None of these
  done clear
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• question_answer14) The ratio of the dimensions of Plancks constant and that of the moment of inertia is the dimensions of
  A)
   frequency                         
  done clear
  B)
   velocity              
  done clear
  C)
         angular momentum      
  done clear
  D)
   time
  done clear
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• question_answer15) Application of a forward bias to a p-n junction
  A)
   increases the number of donors on the n-side
  done clear
  B)
   increases the electric field in the depletion zone
  done clear
  C)
   increases the potential difference across the depletion zone
  done clear
  D)
   widens the depletion zone
  done clear
  View Answer play_arrow

• question_answer16) If a vector \[{{L}_{2}}\,.\,{{M}_{1}}={{M}_{2}}\]is perpendicular to the vector \[{{L}_{1}}\,.\,2{{L}_{2}}\]ok, then the value of a is
  A)
   \[\frac{1}{\sqrt{2}}s\]                                  
  done clear
  B)
   \[2\sqrt{2}s\]                                   
  done clear
  C)
   \[2s\]                                  
  done clear
  D)
   1
  done clear
  View Answer play_arrow

• question_answer17) When an ideal monoatomic gas is heated at consant pressure, fraction of heat energy supplied which increases the internal energy of gas, is
  A)
   \[\frac{1}{2}s\]                                
  done clear
  B)
   \[\frac{g}{4}\]  
  done clear
  C)
   \[Mg\frac{d}{4}\]                           
  done clear
  D)
         \[3Mg\frac{d}{4}\]
  done clear
  View Answer play_arrow

• question_answer18) A body of mass m rises to a height h = \[-3Mg\frac{d}{4}\] from the earths surface where R is earths radius. If g is acceleration due to gravity at the earths surface, the increase in potential energy will be
  A)
   mgh                                     
  done clear
  B)
  \[l\] mgh             
  done clear
  C)
                         \[2l\] mgh         
  done clear
  D)
         \[\frac{l}{2}\] mgh
  done clear
  View Answer play_arrow

• question_answer19) A clock with a metal pendulum beating seconds keeps correct time at 0°C. If it loses 12.5 s a day at 25°C, the coefficient of linear expansion of metal pendulum is
  A)
   \[4l\]   
  done clear
  B)
   \[{{C}_{1}}=C,\,{{C}_{2}}=2C\,,\,{{C}_{3}}=3C\]
  done clear
  C)
         \[\frac{1}{14400}{{/}^{o}}C\]    
  done clear
  D)
         \[{{C}_{2}}\]
  done clear
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• question_answer20) A fork A has frequency 2% more than the standard fork and B has a frequency 3% less than the frequency of same standard fork. The forks A and B when sounded together produced 6 beats/s. The frequency of fork A is
  A)
   116.4 Hz     
  done clear
  B)
                         120 Hz                 
  done clear
  C)
   122.4 Hz             
  done clear
  D)
         238.8 Hz
  done clear
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• question_answer21) A source of sound Sis moving with a velocity of 50 m/s towards a stationary observer. The observer measures the frequency of the source as 1000 Hz. What will be the apparent frequency of the source when it is moving away from the observer after crossing him? The velocity of the sound in the medium is 350 m/s.
  A)
   750 Hz                 
  done clear
  B)
          857 Hz 
  done clear
  C)
          1143 Hz               
  done clear
  D)
          1333 Hz
  done clear
  View Answer play_arrow

• question_answer22) A ball of mass 1 g and charge \[{{10}^{-8}}C\] moves from a point A. Where potential is 600 V to the point B where potential is zero. Velocity of the ball at the point B is 20 cm/s. The velocity of the ball at the point A will be
  A)
   22.8 cm/s                           
  done clear
  B)
   228 cm/s            
  done clear
  C)
                          16.8 m/s             
  done clear
  D)
          168 m/s
  done clear
  View Answer play_arrow

• question_answer23) A charged oil drop of mass \[2.5\,\times {{10}^{-7}}kg\] is in space between the two plates, each of area \[2\times {{10}^{-2}}{{m}^{2}}\] of a parallel plate capacitor. When the upper plate has a charge of \[5\times {{10}^{-7}}C\] and the lower plate has an equal negative charge, the oil remains stationary. The charge of the oil drop is (Take \[g=10\,m/{{s}^{2}}\])
  A)
   \[{{C}_{4}}\]                     
  done clear
  B)
   \[\frac{22}{3}\]
  done clear
  C)
          \[\frac{3}{22}\]               
  done clear
  D)
   \[\frac{7}{4}\]
  done clear
  View Answer play_arrow

• question_answer24) In the circuit shown in the figure, the potential difference across the 4.5\[\frac{4}{7}\] capacitor is
  A)
   \[\overset{0}{\mathop{A}}\,\]   
  done clear
  B)
                                          4V                         
  done clear
  C)
          6V                         
  done clear
  D)
          8V
  done clear
  View Answer play_arrow

• question_answer25) If two bulbs of wattages 25 and 100 W respectively each rated by 220 V are connected in series with the supply of 440 V, which bulb will fuse?
  A)
   100 W bulb        
  done clear
  B)
          25 W bulb          
  done clear
  C)
          None of them   
  done clear
  D)
          Both of them
  done clear
  View Answer play_arrow

• question_answer26) A square conducting loop of side length L carries a current\[2\mathbf{\hat{i}}+3\mathbf{\hat{j}}+8\mathbf{\hat{k}}\]. The magnetic field at the centre of the loop is
  A)
   independent of L
  done clear
  B)
   proportional to L2
  done clear
  C)
   inversely proportional to L
  done clear
  D)
   linearly proportional to L
  done clear
  View Answer play_arrow

• question_answer27) A thin magnetic needle vibrates in the horizontal plane with a period of 4 s. The needle is cut into two halves by a plane normal to magnetic axis of the needle. Then the period of vibration of each half needle is approximately
  A)
   4s                                          
  done clear
  B)
   2s                          
  done clear
  C)
          8s                          
  done clear
  D)
          1 s
  done clear
  View Answer play_arrow

• question_answer28) A coil in the shape of an equilateral triangle of side 0.02 m is suspended from its vertex such that it is hanging in a vertical plane between the pole pieces of permanent magnet producing a uniform field of 5x 10-2 T. If a current of 0.1 A is passed through the coil, what is the couple acting?
  A)
   \[4\mathbf{\hat{j}}-4\mathbf{\hat{i}}+\alpha \mathbf{\hat{k}}\]          
  done clear
  B)
   \[-1\]   
  done clear
  C)
   \[\frac{1}{2}\]
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer29) A rectangular coil of 20 turns and area of cross-section \[25\,c{{m}^{2}}\] has a resistance of 100\[-\frac{1}{2}\]. If a magnetic field which is perpendicular to the plane of the coil changes at a rate of 1000 T/s, the current in the coil is
  A)
   1.0 A                                    
  done clear
  B)
   50 A                     
  done clear
  C)
   0.5 A                    
  done clear
  D)
          5.0 A
  done clear
  View Answer play_arrow

• question_answer30) An AC ammeter is used to measure current in a circuit. When a given direct current passes through the circuit, the AC ammeter reads 3 A. When another alternating current passes through the circuit, the AC ammeter reads 4 A. Then the reading of this ammeter, if DC and AC How through the circuit simultaneously, is
  A)
   3 A                                        
  done clear
  B)
   4 A                        
  done clear
  C)
          7 A                        
  done clear
  D)
          5 A
  done clear
  View Answer play_arrow

• question_answer31) A transmitter transmits at a wavelegnth of 300 m. A condenser of capacitance \[2.4\,\mu F\] is being used. The value of the inductance for the resonant circuit is approximately
  A)
   \[{{10}^{-4}}H\]                              
  done clear
  B)
   \[{{10}^{-6}}H\]              
  done clear
  C)
   \[{{10}^{-8}}H\]              
  done clear
  D)
          \[{{10}^{-10}}H\]
  done clear
  View Answer play_arrow

• question_answer32) A capacitor of capacitance \[\frac{2}{5}\] is charged to a potential of 1 V. It is connected in parallel to an inductor of inductance 10-3 H. The maximum current that will flow in the circuit has the value
  A)
   \[\frac{3}{5}\]                                  
  done clear
  B)
   1 A                        
  done clear
  C)
          1 mA                    
  done clear
  D)
          1000 mA
  done clear
  View Answer play_arrow

• question_answer33) The wave of wavelength 5900 A emitted by any atom or molecule must have some finite total length which is known as coherence length. For sodium light, this length is 2.4 cm. The number of oscillations in this length will be
  A)
   \[4.068\,\times {{10}^{8}}\]                       
  done clear
  B)
   \[4.068\,\times {{10}^{4}}\]           
  done clear
  C)
              \[4.068\,\times {{10}^{6}}\]       
  done clear
  D)
          \[4.068\,\times {{10}^{5}}\]
  done clear
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• question_answer34) If a ray of light in a denser medium strikes a rarer medium at an angle of incidence i, the angles of reflection and refraction are respectively r and r. If the reflected and refracted rays are at right angles to each other, the critical angle for the given pair of media is
  A)
   \[\frac{3}{7}\]                  
  done clear
  B)
   \[\frac{3}{4}\]  
  done clear
  C)
          \[{{\tan }^{-1}}\,(\sin \,i)\]         
  done clear
  D)
          \[\frac{4}{5}\]
  done clear
  View Answer play_arrow

• question_answer35) In a photocell, with exciting wavelength \[\frac{5}{6}\], the faster electron has speed v. If the exciting wavelength is changed to 3\[\frac{6}{7}\],/4, the speed of the fastest electron will be
  A)
   \[\frac{1}{86400}{{/}^{0}}C\]                     
  done clear
  B)
   \[\frac{1}{43200}{{/}^{0}}C\]
  done clear
  C)
   less than v \[\frac{1}{44400}{{/}^{0}}C\]
  done clear
  D)
   greater than v \[\frac{1}{28800}{{/}^{0}}C\]
  done clear
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• question_answer36) Work function of nickel is 5.01 eV. When ultraviolet radiation of wavelength 2000\[9\times {{10}^{-1}}C\] is incident on electrons are emitted. What will be the maximum velocity of emitted electrons?
  A)
   \[3\times {{10}^{8}}\,m/s\]                       
  done clear
  B)
   \[6.46\,\times {{10}^{5}}\,m/s\]
  done clear
  C)
                          \[10.36\,\times {{10}^{5}}\,m/s\]
  done clear
  D)
          \[8.54\,\times {{10}^{6}}\,m/s\]
  done clear
  View Answer play_arrow

• question_answer37) If 5% of the energy supplied to a bulb is irradiated as visible light, how many quanta are emitted per second by a 100 W lamp? (Assume wavelength of visible light as \[5.6\,\times {{10}^{-5}}cm\])
  A)
   \[1.4\,\times {{10}^{19}}\]                         
  done clear
  B)
   \[3\times {{10}^{3}}\]    
  done clear
  C)
                                      \[1.4\times {{10}^{-19}}\]           
  done clear
  D)
          \[3\times {{10}^{4}}\]
  done clear
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• question_answer38) A 1 kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed of 4 m/s. The tension in the string is 6 N, when the stone at \[(g=10\,m/{{s}^{2}})\]
  A)
   top of the circle
  done clear
  B)
   bottom of the circle
  done clear
  C)
   half way down
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer39) A 12 HP motor has to be operated 8 h/day. How much will it cost at the rate of 50 paise/kWh in 10 days?
  A)
   Rs 350                                 
  done clear
  B)
   Rs 358 
  done clear
  C)
          Rs 375                 
  done clear
  D)
          Rs 397
  done clear
  View Answer play_arrow

• question_answer40) In steel, the Youngs modulus and the strain at the breaking point are \[2\times {{10}^{11}}N/{{m}^{2}}\] and 0.15 respectively. The stress at the breaking point for steel is therefore
  A)
  \[9\times {{10}^{-6}}C\]               
  done clear
  B)
  \[8.85\times {{10}^{-13}}C\]
  done clear
  C)
                         \[1.8\times {{10}^{-14}}C\]
  done clear
  D)
         \[\mu F\]
  done clear
  View Answer play_arrow

• question_answer41) Assertion Torque on the coil is the maximum, when coil is suspended in a radial magnetic field. Reason The torque tends to rotate the coil on its own axis.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer42) Assertion A transformer cannot work on DC supply. Reason DC changes neither in magnitude nor in direction.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer43) Assertion For an electric lamp connected in series with a variable capacitor and AC source; its brightness increases with increase in capacitance. Reason Capacitive reactance decreases with increase in capacitance of capacitor.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer44) Assertion The specific charge for positive rays is a characteristic constant. Reason The specific charge depends on charge and mass of positive ions present in positive rays.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer45) Assertion The mass of \[\frac{8}{3}V\]-particles when they are emitted is higher than the mass of electrons obtained by other means. Reason \[l\]-particle and electron, both are similar panicles.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer46) Assertion NAND or NOR gates are called digital building blocks. Reason The repeated use of NAND (or NOR) gates can produce all the basic or complicated gates.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer47) Assertion There is no dispersion of light refracted through a rectangular glass slab. Reason Dispersion of light is the phenomenon of splitting of a beam of white light into its constituent colors.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer48) Assertion There is no effect of rotation of earth on acceleration due to gravity at poles. Reason Rotation of earth is about polar axis.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer49) Assertion The change in kinetic energy of a particle is equal to the work done on it by the net force. Reason Change in kinetic energy of particle is equal to the work done only in case of a system of one particle.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer50) Assertion A safe turn by a cyclist should neither be fast nor sharp. Reason The bending angle from the vertical would decrease with increase in velocity.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer51) Assertion A table cloth can be pulled from a table without dislodging the dishes. Reason To every action there is an equal and opposite reaction.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer52) Assertion If a gas container in motion is suddenly stopped, the temperature of the gas rises. Reason The kinetic energy of ordered mechanical motion is converted into the kinetic energy of random motion of gas molecules.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer53) Assertion Like light radiation, thermal radiations are also electromagnetic radiation. Reason The thermal radiations require no medium for propagation.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer54) Assertion The percentage change in time period is 1.5% if the length of simple pendulum increases by 3%. Reason Time period is directly proportional to length of pendulum.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer55) Assertion The fundamental frequency of an open organ pipe increases as the temperature is increased. Reason As the temperature increases, the velocity of sound increases more rapidly than length of the pipe.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer56) Assertion A paramagnetic sample displays greater magnetization (for the same magnetizing field) when cooled. Reason The magnetization does not depend on temperature.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer57) Assertion: The quantity\[5\sqrt{3}\times {{10}^{-7}}N-m\] possesses dimensions of time. Reason To reduce the rate of increase of current through a solenoid should increase the time constant\[5\sqrt{3}\times {{10}^{-10}}N-m\]
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer58) Assertion The threshold frequency of photoelectric effect supports the particle nature of sunlight Reason If frequency of incident light is less than the threshold frequency, electrons are not emitted from metal surface.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer59) Assertion The average velocity of the object over an interval of time is either smaller than or equal to the average speed of the object over the same interval. Reason Velocity is a vector quantity and speed is a scalar quantity.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer60) Assertion Microwave propagation is better than the sky wave propagation. Reason Microwaves have frequencies 100 to 300 GHz, which have very good directional properties.
  A)
   if both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  done clear
  B)
   if both Assertion and Reason are true but the Reason is nor the correct explanation of the Assertion
  done clear
  C)
   if Assertion is true but Reason is false
  done clear
  D)
   if Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer61) The pH of the mixture obtained when equal volumes of   \[N/10\text{ }NaOH\] and \[N/20\text{ }HCl\] are mixed, is
  A)
  \[1.6\]                                  
  done clear
  B)
  \[12.4\]
  done clear
  C)
         \[13.4\]               
  done clear
  D)
         \[10.8\]
  done clear
  View Answer play_arrow

• question_answer62) Which of the following buffer solution turns invalid on addition of \[10mL\] of \[1.0MHCl\]?
  A)
  \[100mL\] having \[0.15M\,N{{H}_{3}}\] and \[N{{H}_{4}}Cl\] each
  done clear
  B)
  \[100mL\] having  \[0.2M\,N{{H}_{3}}\] and  \[N{{H}_{4}}Cl\]each
  done clear
  C)
  \[100mL\] having  \[0.2M\,N{{H}_{3}}\]and \[0.1M\,\,N{{H}_{4}}Cl\] each
  done clear
  D)
  \[100mL\] having \[0.05\text{ }M\text{ }N{{H}_{3}}\] and \[N{{H}_{4}}Cl\] each
  done clear
  View Answer play_arrow

• question_answer63) Which element belongs to \[4n\] series?
  A)
  \[P{{b}^{207}}\]           
  done clear
  B)
         \[B{{i}^{209}}\]
  done clear
  C)
         \[P{{b}^{208}}\]               
  done clear
  D)
         \[P{{b}^{206}}\]
  done clear
  View Answer play_arrow

• question_answer64) 0.037 g of an alcohol, \[R-OH\] was added to \[{{C}_{2}}{{H}_{5}}MgI\] and the gas evolved measured \[11.2\text{ }cc\] at STP. The molecular mass of \[R-OH\]will be
  A)
  47                          
  done clear
  B)
         79                          
  done clear
  C)
  77                          
  done clear
  D)
         74
  done clear
  View Answer play_arrow

• question_answer65) If the photon of the wavelength 150 pm strikes an atom and one of its inner bound electrons is ejected out with a velocity of \[1.5\times {{10}^{7}}m{{s}^{-1}},\] what is the energy with which it is bound to the nucleus?
  A)
  \[1.2\times {{10}^{2}}\text{ }eV\]  
  done clear
  B)
         \[2.15\times {{10}^{3}}eV\]
  done clear
  C)
                         \[7.6\times {{10}^{3}}eV\]          
  done clear
  D)
         \[8.12\times {{10}^{3}}eV\]
  done clear
  View Answer play_arrow

• question_answer66) Consider the sequence of oxides: \[N{{a}_{2}}O,Si{{O}_{2}},\] \[{{P}_{4}}{{O}_{10}}.\]. Which factor decreases from \[N{{a}_{2}}O\] to \[Si{{O}_{2}}\] and also from \[Si{{O}_{2}}\] to \[{{P}_{4}}{{O}_{10}}\]?
  A)
  Covalent character
  done clear
  B)
  Melting point
  done clear
  C)
  pH when mixed with water
  done clear
  D)
  Solubility in aqueous alkali
  done clear
  View Answer play_arrow

• question_answer67) The type of hybrid orbitals used by iodine atom in hypoiodous acid molecule are
  A)
  \[s{{p}^{3}}\]                    
  done clear
  B)
         \[s{{p}^{2}}\]                    
  done clear
  C)
  \[sp\]                   
  done clear
  D)
         \[s{{p}^{3}}d\]
  done clear
  View Answer play_arrow

• question_answer68) \[MnO_{4}^{-}\] is of intense pink colour, though \[Mn\] is in \[+7\] oxidation state. It is due to
  A)
  oxygen gives colour to it
  done clear
  B)
  charge transfer when \[Mn\] gives its electron to oxygen
  done clear
  C)
  charge transfer when oxygen gives its electron to \[Mn\] making it \[Mn\left( +VI \right)\].
  done clear
  D)
  presence of unpaired electrons
  done clear
  View Answer play_arrow

• question_answer69) \[{{[CoC{{l}_{2}}{{(N{{H}_{3}})}_{4}}]}^{+}}+C{{l}^{-}}\xrightarrow{{}}\]                                              \[[CoC{{l}_{3}}{{(N{{H}_{3}})}_{3}}]+N{{H}_{3}}\] In the reaction only one isomer of complex product is obtained. The initial complex is
  A)
  cis isomer
  done clear
  B)
  irons isomer
  done clear
  C)
  not having stereoisomers
  done clear
  D)
  either cis or trans
  done clear
  View Answer play_arrow

• question_answer70) The Brownian motion is due to
  A)
  temperature fluctuation within the liquid phase
  done clear
  B)
  attraction and repulsion between charges on the colloidal particles
  done clear
  C)
  impact of the molecules of the dispersion medium on the colloidal particles
  done clear
  D)
  convectional currents
  done clear
  View Answer play_arrow

• question_answer71) For a first-order reaction \[A\to B\] the plot of \[\log \{{{[A]}_{t}}/1M\}\] versus t is linear with a
  A)
  positive slope and zero intercept
  done clear
  B)
  positive slope and non zero intercept
  done clear
  C)
  negative slope and zero intercept
  done clear
  D)
  negative slope and non zero intercept
  done clear
  View Answer play_arrow

• question_answer72) At a certain temperature, the first order rate constant, \[{{k}_{1}}\] is found to be smaller than the second order rate constant, \[{{k}_{2}}\]. If the energy of activation, \[{{E}_{1}}\] of the first order reaction is greater than energy of activation, \[{{E}_{2}}\] of the second order reaction then with increase in temperature
  A)
   \[{{k}_{1}}\] will increase faster than\[{{k}_{2}}\] , but always will remain less than \[{{k}_{2}}\]
  done clear
  B)
  \[{{k}_{2}}\] will increase faster than \[{{k}_{1}}\]
  done clear
  C)
  \[{{k}_{1}}\] will increase faster than \[{{k}_{2}}\] and becomes equal to \[{{k}_{2}}\]
  done clear
  D)
   \[{{k}_{1}}\]will increase faster than \[{{k}_{2}}\] and becomes greater than \[{{k}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer73) Highest electron affinity is shown by
  A)
  \[{{O}^{-}}\]                      
  done clear
  B)
         \[{{F}^{-}}\]                       
  done clear
  C)
  \[C{{l}_{2}}\]                     
  done clear
  D)
         \[{{F}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer74) An alkyl chloride (A) on reaction with magnesium in dry ether followed by treatment with ethanol gave 2-methylbutane. Give the possible structure of A
  A)
  \[{{(C{{H}_{3}})}_{2}}C(Cl)C{{H}_{2}}C{{H}_{3}}\]
  done clear
  B)
  \[{{(C{{H}_{3}})}_{2}}CHC{{H}_{2}}C{{H}_{2}}Cl\]
  done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}X\]
  done clear
  D)
  Both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer75) Which of the following reaction has zero activation energy?
  A)
  \[C{{H}_{4}}+\overset{\bullet }{\mathop{C}}\,l\xrightarrow{{}}\overset{\bullet }{\mathop{C}}\,{{H}_{3}}+HCl\]
  done clear
  B)
  \[C{{l}_{2}}\xrightarrow{{}}2\overset{\bullet }{\mathop{C}}\,l\]
  done clear
  C)
  \[\overset{\bullet }{\mathop{C}}\,{{H}_{3}}+\overset{\bullet }{\mathop{C}}\,{{H}_{3}}\xrightarrow{{}}C{{H}_{3}}-C{{H}_{3}}\]
  done clear
  D)
  \[\overset{\bullet }{\mathop{C}}\,{{H}_{3}}+Cl-Cl\xrightarrow{{}}C{{H}_{3}}-Cl+\overset{\bullet }{\mathop{C}}\,l\]
  done clear
  View Answer play_arrow

• question_answer76) Structural formula of Lewisite is
  A)
  \[\underset{CHAsC{{l}_{3}}}{\mathop{\underset{||}{\mathop{CHCl}}\,}}\,\]               
  done clear
  B)
  \[\underset{CHAsCl}{\mathop{\underset{||}{\mathop{CHCl}}\,}}\,\]   
  done clear
  C)
         \[\underset{CHAsC{{l}_{2}}}{\mathop{\underset{||}{\mathop{CHCl}}\,}}\,\]    
  done clear
  D)
         \[\underset{CHAsC{{l}_{2}}}{\mathop{\underset{||}{\mathop{C{{H}_{2}}}}\,}}\,\]
  done clear
  View Answer play_arrow

• question_answer77) Which is optically inactive?
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  None of the above
  done clear
  View Answer play_arrow

• question_answer78) The monomers of buna-S rubber are
  A)
  vinyl chloride and sulphur
  done clear
  B)
  butadiene
  done clear
  C)
  styrene and butadiene
  done clear
  D)
  isoprene and butadiene
  done clear
  View Answer play_arrow

• question_answer79) Passing \[{{H}_{2}}S\] gas through nitric acid produces
  A)
  rhombic sulphur
  done clear
  B)
  colloidal sulphur
  done clear
  C)
  amorphous sulphur
  done clear
  D)
  plastic sulphur
  done clear
  View Answer play_arrow

• question_answer80) Which of the following aldehyde contains \[\alpha -C\] atom but does not have any \[\alpha -H\] atom?
  A)
  Propionaldehyde                            
  done clear
  B)
  Benzaldehyde                  
  done clear
  C)
  Isobutyraldehyde
  done clear
  D)
                        Formaldehyde
  done clear
  View Answer play_arrow

• question_answer81) \[{{(C{{H}_{3}})}_{2}}C=O+HCN\xrightarrow{{{H}^{+}}}\xrightarrow{{{H}_{3}}{{O}^{+}}}\] \[\underset{(ii)\,PC{{l}_{5}}}{\mathop{\xrightarrow[\Delta ]{(i)\,{{H}_{2}}S{{O}_{4}}}}}\,\xrightarrow[(ii)\,{{H}_{2}}{{O}_{2}},O{{H}^{-}}]{(i)\,B{{H}_{3}}-THF}\]product The final predominant product is
  A)
  \[HOC{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-COOH\]
  done clear
  B)
  \[C{{H}_{3}}-\overset{OH}{\mathop{\overset{|}{\mathop{\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,}}\,}}\,-COOH\]
  done clear
  C)
  \[C{{H}_{3}}-\overset{OH}{\mathop{\overset{|}{\mathop{CH}}\,}}\,-C{{H}_{3}}\]
  done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-OH\]
  done clear
  View Answer play_arrow

• question_answer82) Which of the following reaction is an example of calcination process?
  A)
  \[2Ag+2HCl+[O]\xrightarrow{{}}2AgCl+{{H}_{2}}O\]
  done clear
  B)
  \[2Zn+{{O}_{2}}\xrightarrow{{}}2ZnO\]
  done clear
  C)
  \[2ZnS+3{{O}_{2}}\xrightarrow{{}}2ZnO+2S{{O}_{2}}\]
  done clear
  D)
  \[MgC{{O}_{3}}\xrightarrow{{}}MgO+C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer83) The following equilibria are given I. \[{{N}_{2}}+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}};{{K}_{1}}\] II. \[{{N}_{2}}+{{O}_{2}}\rightleftharpoons 2NO;{{K}_{2}}\] III.  \[{{H}_{2}}+\frac{1}{2}{{O}_{2}}\rightleftharpoons {{H}_{2}}O;{{K}_{3}}\] The equilibrium constant for the reaction, \[2N{{H}_{3}}+\frac{5}{2}{{O}_{2}}\rightleftharpoons 2NO+3{{H}_{2}}O\] in terms of \[{{K}_{1}},{{K}_{2}}\] and \[{{K}_{3}}\] will be
  A)
  \[{{K}_{1}}{{K}_{2}}{{K}_{3}}\]       
  done clear
  B)
         \[\frac{{{K}_{1}}{{K}_{2}}}{{{K}_{3}}}\]  
  done clear
  C)
         \[\frac{{{K}_{1}}K_{3}^{2}}{{{K}_{2}}}\] 
  done clear
  D)
         \[\frac{{{K}_{2}}K_{3}^{3}}{{{K}_{1}}}\] 
  done clear
  View Answer play_arrow

• question_answer84) The root mean square velocity of one mole of a monatomic gas having molar mass M is \[{{U}_{rms}}\]. The relation between the average kinetic energy (E) of the gas and \[{{U}_{rms}}\]is
  A)
  \[{{U}_{rms}}=\sqrt{\frac{3E}{2M}}\]
  done clear
  B)
         \[{{U}_{rms}}=\sqrt{\frac{2E}{3M}}\]
  done clear
  C)
                         \[{{U}_{rms}}=\sqrt{\frac{2E}{M}}\]
  done clear
  D)
         \[{{U}_{rms}}=\sqrt{\frac{E}{3M}}\]
  done clear
  View Answer play_arrow

• question_answer85) \[Ph-N{{H}_{2}}\,\,\xrightarrow[{{0}^{o}}C]{HN{{O}_{2}}}A\xrightarrow[B{{F}_{3}}]{HF}B\xrightarrow{\Delta }C,\]C is
  A)
  \[Ph-{{N}^{+}}\equiv NB{{F}_{4}}\]
  done clear
  B)
   
  done clear
  C)
  
  done clear
  D)
  \[Ph-F\]
  done clear
  View Answer play_arrow

• question_answer86) Carbohydrates which differ in configuration at the glycosidic carbon (ie, \[{{C}_{1}}\]in aldose and \[{{C}_{2}}\] in ketoses) are called
  A)
  anomers       
  done clear
  B)
                         epimers              
  done clear
  C)
         diastereomers   
  done clear
  D)
                         enantiomers
  done clear
  View Answer play_arrow

• question_answer87) The correct order of increasing covalent character is
  A)
  \[LiCl,\,NaCl,\,BeC{{l}_{2}}\]
  done clear
  B)
  \[BeC{{l}_{2}},NaCl,LiCl\]
  done clear
  C)
  \[NaCl,LiCl,BeC{{l}_{2}}\]
  done clear
  D)
  \[BeC{{l}_{2}},LiCl,NaCl\]
  done clear
  View Answer play_arrow

• question_answer88) The equivalent weight of \[{{H}_{3}}P{{O}_{2}}\], when it disproportionates into \[P{{H}_{3}}\] and \[{{H}_{3}}P{{O}_{3}}\] is
  A)
  \[82\]       
  done clear
  B)
                         \[61.5\]
  done clear
  C)
         \[41\]                   
  done clear
  D)
         \[20.5\]
  done clear
  View Answer play_arrow

• question_answer89) Catalyst used in dimerisation of acetylene to prepare chloropropene is
  A)
  \[HgS{{O}_{4}}+{{H}_{2}}S{{O}_{4}}\]
  done clear
  B)
  \[C{{u}_{2}}C{{l}_{2}}\]
  done clear
  C)
  \[C{{u}_{2}}C{{l}_{2}}+N{{H}_{4}}OH\]
  done clear
  D)
  \[C{{u}_{2}}C{{l}_{2}}+N{{H}_{4}}Cl\]
  done clear
  View Answer play_arrow

• question_answer90) The limiting radius ratio of the complex \[{{[Ni{{(CN)}_{4}}]}^{2-}}\]is
  A)
  \[0.225-0.414\]
  done clear
  B)
         \[0.414-0.732\]
  done clear
  C)
                         \[0.155-0.225\]
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer91) In a homonuclear molecule, which of die following sets of orbitals is degenerate?
  A)
  \[\sigma 1s\] and \[\sigma 2s\]                 
  done clear
  B)
  \[\pi 2{{p}_{x}}\] and  \[\pi 2{{p}_{y}}\]
  done clear
  C)
                         \[\pi 2{{p}_{x}}\]and \[\sigma 2{{p}_{z}}\]
  done clear
  D)
         \[\sigma 2{{p}_{x}}\]and \[\sigma 2{{p}_{z}}\]
  done clear
  View Answer play_arrow

• question_answer92) If the concentration of \[CrO_{4}^{2-}\] ions in a saturated solution of silver chromate is \[2\times {{10}^{-4}}M\], the solubility product of silver chromate would be
  A)
  \[32\times {{10}^{-12}}\]      
  done clear
  B)
         \[8\times {{10}^{-12}}\]
  done clear
  C)
         \[16\times {{10}^{-12}}\]      
  done clear
  D)
         \[8\times {{10}^{-8}}\]
  done clear
  View Answer play_arrow

• question_answer93) If ethanol dissolves in water then which of the following would happen?
  A)
  Absorption of heat and contraction of volume
  done clear
  B)
  Liberation of heat and contraction of volume
  done clear
  C)
  Absorption of heat and increase in volume
  done clear
  D)
  Liberation of heat and increase in volume
  done clear
  View Answer play_arrow

• question_answer94) The pH of  \[0.5\text{ }L\] of 1\[1.0\text{ }M\text{ }NaCl\] after the electrolysis for 965 s using 5.0 A current, is
  A)
  \[1.0\]                  
  done clear
  B)
         \[12.7\]
  done clear
  C)
         \[13.0\]               
  done clear
  D)
         \[1.30\]
  done clear
  View Answer play_arrow

• question_answer95) The potential of hydrogen electrode having a solution of \[pH=4\] at \[{{25}^{o}}C\] is
  A)
  \[-0.177V~\]      
  done clear
  B)
         \[-0.236V\]        
  done clear
  C)
  \[+\text{ }0.177V\]         
  done clear
  D)
         \[+\text{ }0.236V\]
  done clear
  View Answer play_arrow

• question_answer96) The electronic configuration of actinides cannot be assigned with degree of certainty because of
  A)
  small energy difference between 5f and 6d levels
  done clear
  B)
  overlapping of inner orbitals
  done clear
  C)
  free movement of electrons over all the orbitals
  done clear
  D)
  All of the above
  done clear
  View Answer play_arrow

• question_answer97) The IUPAC name for tertiary butyl iodide is
  A)
  4-iodobutane
  done clear
  B)
  2-iodobutane
  done clear
  C)
  1-iodo-3-methyl propane
  done clear
  D)
  2-iodo-2-methyl propane
  done clear
  View Answer play_arrow

• question_answer98) The correct order of decreasing acid strength of trichloroacetic acid (A) trifluoroacetic acid (B), benzoic acid (C) and formic acid (D) is
  A)
  \[A>B>C>D\]    
  done clear
  B)
  \[A>C>B>D\]                    
  done clear
  C)
  \[B>A>D>C~\]
  done clear
  D)
         \[B>A>C>D\]
  done clear
  View Answer play_arrow

• question_answer99) The correct order of basic strength of \[C{{H}_{3}}N{{H}_{2}}(I),\] \[{{(C{{H}_{3}})}_{2}}NH(II),\]  \[{{(C{{H}_{3}})}_{3}}N(III),\] \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}N{{H}_{2}}\] in gaseous phase is
  A)
  \[IV<III<II<I\]   
  done clear
  B)
  \[IV<III<I<II\]   
  done clear
  C)
  \[I<II<III<IV\]   
  done clear
  D)
  \[IV<I<II<III\]
  done clear
  View Answer play_arrow

• question_answer100) Secondary structure of proteins refers to
  A)
  mainly denatured proteins and structure of prosthetic group                       
  done clear
  B)
  three dimensional structure, especially the bond between amino acid residue that are distant from each other in the polypeptide chain
  done clear
  C)
  linear sequence of amino acid residues in the polypeptide chain
  done clear
  D)
  regular folding patterns of continuous portions of the polypeptide chain
  done clear
  View Answer play_arrow

• question_answer101) Assertion: One molar aqueous solution has always higher concentration than one molal. Reason: The molality of a solution depends upon the density of the solution whereas molarity does not.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer102) Assertion: The   heat   adsorbed   during isothermal expansion of an ideal gas against vacuum is zero. Reason: The volume occupied by the molecule is zero.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer103) Assertion: If edge length of unit cell of \[LiCl\], having \[NaCl\] type structure, is \[5.14\overset{\text{o}}{\mathop{\text{A}}}\,\], the ionic radius of \[C{{l}^{-}}\] ion is \[1.82\overset{\text{o}}{\mathop{\text{A}}}\,\]. Reason: Anion-anion contact is retained in \[LiCl\] structure because anions constitute the lattice.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer104) Assertion: HOP bond angle is higher than \[HOCl\] bond angle in \[HOX\]. Reason: Oxygen is more electronegative than halogens.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer105) Assertion: Calcium carbide on hydrolysis gives ethylene. Reason: Calcium carbide contains \[{{C}^{4-}}\] anions.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer106) Assertion: Bithional is added to soap for its beautification and solidification. Reason: Bithional is a sulpha drug.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer107) Assertion: Only principal quantum number determines the energy of an electron in an orbital in Na atom. Reason: For one electron system, the expression of energy is quite different as that obtained in Bohrs theory.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer108) Assertion: The \[HF_{2}^{-}\] ions exists in the solid state and also in liquid state but not in aqueous solution. Reason: The magnitude of hydrogen bonds in between \[HF-HF\] molecule is weaker than that in between \[HF\] and \[{{H}_{2}}O\] molecules.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer109) Assertion: Chlorine when solidifies does not have zero entropy even at absolute zero. Reason: Chlorine is a pungent smelling gas and it is difficult to solidify it.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer110) Assertion: Noble gases have positive electron affinity.                       Reason: Noble gases have stable closed shell electronic configuration.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer111) Assertion: \[Al\] and \[Ga\] have nearly same atomic radii. Reason: \[Al\]   and  \[Ga\]    show   diagonal relationship.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer112) Assertion: Oxidation state of \[Fe\] in \[Fe{{(CO)}_{5}}\] is zero. Reason: EAN of Fe in this complex is 36.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer113) Assertion: \[CO\] and \[NO\] both combine with haemoglobin. Reason: \[NO\] has more affinity than \[CO\] towards haemoglobin.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer114) Assertion: Vulcanisation increases the hardness of natural rubber, Reason: Vulcanisation introduces the polysulphide bridges at reactive sites.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer115) Assertion: The oxidation of ketone by perbenzoic acid gives esters. Reason: Perbenzoic acid oxidises because of the release of nascent oxygen on dissociation.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer116) Assertion: \[N_{3}^{-}\] is a weaker base than \[NH_{2}^{-}\]. Reason: The lone pair of electrons on N atom in  \[N_{3}^{-}\]is in a \[s{{p}^{2}}\]-orbital while in \[NH_{2}^{-}\] it is in an \[s{{p}^{3}}\] -orbital.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer117) Assertion: \[{{S}_{N}}\text{l}\]  reaction is basically a solvolysis reaction. Reason: Polar protic solvents help the substrate to ionise and by the way get involved in \[{{S}_{N}}\text{l}\] reaction.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer118) Assertion: In the E2 elimination, \[\beta -H\] and leaving group should be antiperiplanar. Reason: In the E2 elimination, base always abstracts unhindered \[\beta -H\].
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer119) Assertion: 2, 2-dimethyl   propanal   give Cannizaro reaction with concentrated \[NaOH\]. Reason: Cannizaro is a disproportionate reaction.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer120) Assertion: A primary amine has higher boiling point than any tertiary amine. Reason: A tertiary amine has greater number of \[N-H\]bonds for H-bonding.
  A)
  If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
  done clear
  B)
  If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
  done clear
  C)
  If Assertion: is true but Reason: is false
  done clear
  D)
  If both Assertion: and Reason: are false
  done clear
  View Answer play_arrow

• question_answer121) Appearance of dark-colored pepper moths among the light-colored ones as a result of increased industrial pollution is an example of
  A)
   disruptive selection      
  done clear
  B)
   stabilizing selection
  done clear
  C)
   directional selection
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer122) A fruit developed from a condensed inflorescence is
  A)
   simple fruit       
  done clear
  B)
          aggregate fruit
  done clear
  C)
          composite fruit               
  done clear
  D)
          etaerio
  done clear
  View Answer play_arrow

• question_answer123) The ratio of osmotic pressure exerted by 1 M sucrose and 1 M NaCl solution will be
  A)
   1                                            
  done clear
  B)
   2                            
  done clear
  C)
   0.1                        
  done clear
  D)
          0.5
  done clear
  View Answer play_arrow

• question_answer124) The main function of the white blood cell in the human intestine system is to
  A)
   combat and destroy antigenic particles
  done clear
  B)
   produce antigens to combat antibodies
  done clear
  C)
   carry oxygen around the body
  done clear
  D)
   transport antigens to B memory cells in the lymph nodes
  done clear
  View Answer play_arrow

• question_answer125) Which one of the following is the best stage to observe the shape, size and number of chromosomes in a cell?
  A)
   Interphase                        
  done clear
  B)
   Prophase           
  done clear
  C)
                                         Metaphase        
  done clear
  D)
          Telophase
  done clear
  View Answer play_arrow

• question_answer126) In the blood of an adult man the total content of haemoglobin is roughly
  A)
   several hundred grams
  done clear
  B)
   tens of gram (10-100 g)
  done clear
  C)
   several grams
  done clear
  D)
   several hundred milligram
  done clear
  View Answer play_arrow

• question_answer127) Sinking of zooplankton during the day and rising to the surface at night is an example of
  A)
   circinal rhythm                
  done clear
  B)
   circadian rhythm            
  done clear
  C)
   tidal rhythm                     
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer128) Centre of DNA Fingerprinting and Diagnostics (CDFD) is located at
  A)
   Delhi                                    
  done clear
  B)
   Chennai                             
  done clear
  C)
   Kolkata                               
  done clear
  D)
          Hyderabad
  done clear
  View Answer play_arrow

• question_answer129) The function of nitrogen fixation in Anabaena (cyanobacterium) is performed by
  A)
   thylakoid                           
  done clear
  B)
   heterocyst        
  done clear
  C)
          phycocyanin     
  done clear
  D)
          phycoerythrin
  done clear
  View Answer play_arrow

• question_answer130) In a bacterium, the amount of adenine was found to be 18 per cent. Suggest the cytosine base composition from the following
  A)
   64%                      
  done clear
  B)
          36%                      
  done clear
  C)
          32%                      
  done clear
  D)
          18%
  done clear
  View Answer play_arrow

• question_answer131) \[pB{{R}_{322}},\] which is frequently used as a vector for cloning gene in E. coli is a/an
  A)
   original bacterial plasmid
  done clear
  B)
   modified bacterial plasmid
  done clear
  C)
   viral genome
  done clear
  D)
   transposon
  done clear
  View Answer play_arrow

• question_answer132) Holandric genes are located
  A)
   both in X and Y-chromosome
  done clear
  B)
   only in Y-chromosome
  done clear
  C)
   only in X-chromosome
  done clear
  D)
   only in autosomes
  done clear
  View Answer play_arrow

• question_answer133) Match the columns

  	Column I		Column II
  A.	Hugo de vries	1.	Inheritance of acquired characters
  B.	Julian Huxley	2.	Multiplication of individual species in geographical proportion
  C.	Jean Baptiste Lamarck	3.	Mutation theory of evolution

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

• question_answer134) In which of the following combinations, the compounds in ascending order based on their molecular weights are arranged?
  A)
   DNA, RNA, AMP, ADP, ATP
  done clear
  B)
   DNA, RNA, ATP, ADP, AMP
  done clear
  C)
   AMP, ADP, ATP, RNA, DNA
  done clear
  D)
   AMP, ATP, ADP, DNA, RNA
  done clear
  View Answer play_arrow

• question_answer135) The floral formula \[\oplus _{\begin{smallmatrix}  O \\  + \end{smallmatrix}}^{\nearrow }{{K}_{2}}{{+}_{2}}{{C}_{4}}{{A}_{2}}{{+}_{4}}{{G}_{(2)}}\]represents
  A)
   Solanum nigrum                             
  done clear
  B)
   Hibiscus rosa-sinensis
  done clear
  C)
   Citrus aurantum
  done clear
  D)
   Brassica campestris
  done clear
  View Answer play_arrow

• question_answer136) Match the columns.

  	Column I		Column II
  A.	Hornwort	1.	Lycopodium
  B.	liverwort	2.	Ricciocarpt
  C.	Stonewort	3.	Anthoceros
  D.	Club moss	4.	Chara

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

• question_answer137)                         Elaters are absent in
  A)
   Funaria               
  done clear
  B)
                          Marchantia                       
  done clear
  C)
   Pellia                   
  done clear
  D)
          Porella
  done clear
  View Answer play_arrow

• question_answer138) The pollination of two flowers on different plants is known as
  A)
   xenogamy
  done clear
  B)
                          geitonogamy                   
  done clear
  C)
   cleistogamy      
  done clear
  D)
          dichogamy
  done clear
  View Answer play_arrow

• question_answer139) The callus is defined as
  A)
   decaying cells  
  done clear
  B)
          differentiated cells
  done clear
  C)
   sterile mass cells
  done clear
  D)
                          undifferentiated mass of cells
  done clear
  View Answer play_arrow

• question_answer140) Calcium dependent kinases can control
  A)
   cell cycle activities          
  done clear
  B)
   DNA replication
  done clear
  C)
   cell surface receptors   
  done clear
  D)
   membrane structure
  done clear
  View Answer play_arrow

• question_answer141) Which of the following serve as the anchoring junctions between the cells?
  A)
   Tight junctions
  done clear
  B)
          Gap junctions  
  done clear
  C)
          Desmosomes  
  done clear
  D)
          Nexuses
  done clear
  View Answer play_arrow

• question_answer142) Blood cells that increase in number during allergic conditions like asthma are
  A)
   neutrophils                       
  done clear
  B)
   basophils           
  done clear
  C)
          eosinophils       
  done clear
  D)
          lymphocytes
  done clear
  View Answer play_arrow

• question_answer143) The cornea is a very important component of the human eye. The main function of the cornea is to
  A)
   bend the light before it reaches the lens
  done clear
  B)
   provide structural support to the eye
  done clear
  C)
   contain a concentrated amount of cone cells in the correct orientation
  done clear
  D)
   change the shape of the lens to enable the image to be focused on the retina
  done clear
  View Answer play_arrow

• question_answer144) Acoelomate, triploblastic body with bilateral symmetry is characteristic of
  A)
   flatworm                           
  done clear
  B)
   roundworm      
  done clear
  C)
          segmented worm
  done clear
  D)
         mollusk
  done clear
  View Answer play_arrow

• question_answer145) Match the columns.

  	Column I		Column II
  A.	Adrenaline	1.	Anger, fear, danger
  B.	oestrogen	2.	Attracting partners through sense of smell
  C.	Insulin	3.	Females
  D.	Pheromones	4.	Glucose

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

• question_answer146) In a stable ecosystem, which of the following limits the number of trophic levels?
  A)
   Biomass
  done clear
  B)
   The number of nutrients
  done clear
  C)
   Availability of nutrients
  done clear
  D)
   Presence of contaminants that increase in concentration along the food chain
  done clear
  View Answer play_arrow

• question_answer147) Oxygen content reduction makes the glycolyse (glycogenesis) intensity increased due to
  A)
   increase of ADP concentration in cell
  done clear
  B)
   increase of \[NA{{D}^{+}}\] concentration in cell
  done clear
  C)
   increase of ATP concentration in cell
  done clear
  D)
   increase of concentration of peroxides and free radicals
  done clear
  View Answer play_arrow

• question_answer148) If a segment of an mRNA molecule has the sequence S GUACCGAUCG 3, which of the following could have been the template DNA molecule?
  A)
   5 GCUAGCCAUG 3         
  done clear
  B)
   5 CATGGCTAGC 3           
  done clear
  C)
   5GUACCGAUCG 3          
  done clear
  D)
   5 CGATCGGTAC 3
  done clear
  View Answer play_arrow

• question_answer149) Hardy-Weinbergs principle of zero evolution is based on
  A)
   genetic equilibrium       
  done clear
  B)
   random mating               
  done clear
  C)
   no migrations  
  done clear
  D)
          All of the above
  done clear
  View Answer play_arrow

• question_answer150) What does the term reproductive isolation refers to?
  A)
   An individual is unable to fertilize itself
  done clear
  B)
   Genes are not exchanged between two populations
  done clear
  C)
   Individuals from two populations never mate
  done clear
  D)
   Individuals from two populations never produce offsprings
  done clear
  View Answer play_arrow

• question_answer151) Below are listed some pairs of characters. The homologous pair is
  A)
   forelimbs of dog and camel
  done clear
  B)
   insect wing and bat wing
  done clear
  C)
   feathers of birds and fins of fish
  done clear
  D)
   lens of vertebrate and arthropod
  done clear
  View Answer play_arrow

• question_answer152) Glycolate induces opening of stomata in
  A)
   presence of oxygen
  done clear
  B)
   low \[C{{O}_{2}}\] concentration
  done clear
  C)
   high \[C{{O}_{2}}\] concentration
  done clear
  D)
   absence of \[C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer153) If Darwins theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be correct according to it?
  A)
   Useful organs become strong and developed while useless organs become extinct. These organs help in struggle for survival
  done clear
  B)
   Size of organs increase with ageing
  done clear
  C)
   Development of organs is due to will power
  done clear
  D)
   There should be some physical basis of inheritance
  done clear
  View Answer play_arrow

• question_answer154) LSD is
  A)
   hallucinogenic 
  done clear
  B)
          sedative                             
  done clear
  C)
   stimulant           
  done clear
  D)
          tranquilizer
  done clear
  View Answer play_arrow

• question_answer155) Monoclonal antibodies are
  A)
   obtained from a cell and act on one antigen
  done clear
  B)
   obtained from a group of cells and act on more than one antigens
  done clear
  C)
   obtained from a group of same type of cells and act on single antigen
  done clear
  D)
   obtained from a group of same type of cells and act on more than one antigens
  done clear
  View Answer play_arrow

• question_answer156) Which of these is most infectious disease?
  A)
   Hepatitis-B                        
  done clear
  B)
   AIDS                    
  done clear
  C)
   Cough and cold               
  done clear
  D)
          Malaria
  done clear
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• question_answer157) Microtubules are absent in
  A)
   mitochondria   
  done clear
  B)
          flagella                
  done clear
  C)
   spindle fibres   
  done clear
  D)
          centriole
  done clear
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• question_answer158) Plant decomposers are
  A)
   Monera and Fungi         
  done clear
  B)
   Fungi and Plantae
  done clear
  C)
   Protista and Animalia   
  done clear
  D)
   Animalia and Monera
  done clear
  View Answer play_arrow

• question_answer159) Triticale is obtained by crossing wheat with
  A)
   oat                                       
  done clear
  B)
   barley                 
  done clear
  C)
          maize                  
  done clear
  D)
          rye
  done clear
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• question_answer160) Occurrence of endemic species in South America and Australia is due to
  A)
   extinction of these species from other regions
  done clear
  B)
   continental separation
  done clear
  C)
   absence of terrestrial route to these places
  done clear
  D)
   retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer161) Assertion Glycine, an amino acid, comes under the category of non-essential amino acids. Reason The fact behind it is that glycine cannot be synthesized in the body.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer162) Assertion The rate of decomposition of detritus is reduced in the regions of high altitude. Reason It happens due to immobilisation of nutrients.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer163) Assertion Green-house effect is due to thick layer of carbon dioxide. Reason The glass panels of a green-house allowing the sunlight to filter through but preventing the heat from being re-radiated in outer space.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer164) Assertion Mammals, living in deserts contain more concentrated urine. Reason They contain very long loop of Henle in their nephrons.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer165) Assertion The functional unit of excretory organs of lobsters is nephron. Reason The filtration of blood occur in the Malpighian body (the glomerulus and Bowmans capsule).
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer166) Assertion Open circulatory system is found in most arthropods. Reason Arthropods contain haemolymph which directly bathes internal tissues and organs.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer167) Assertion Granulocytes are white blood cells. Reason They contain lobed nuclei and tiny granules.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
         absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer168) Assertion Bacteria, Protista do not have circulatory system. Reason These organisms live in moist and watery environment.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer169) Assertion Glycolysis begins in cytoplasm and yields two molecules of pyruvate. Reason During glycolysis, four ATP molecules are produced and net yield is only two ATP molecules.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer170) Assertion Mechanical tissues are absent or less developed in the floating and submerged parts of hydrophytic plants. Reason Generally, elongated and loosely arranged spongy cells are found in the body of submerged hydrophytic plants.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer171) Assertion Inhibition of death of one organism by another through the production of some by-products is known as antibiosis. Reason Antibiosis is a type of negative interaction.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer172) Assertion Holoblastic cleavage with almost equal-sized blastomeres is a characteristic of placental animals. Reason Eggs of most mammals, including humans are of centrolecithal type.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer173) Assertion Only a single functional female gamete is formed from each primary oocyte cell. Reason Meiosis in each primary oocyte gives rise to only one cell which functions as ovum.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer174) Assertion Cytochrome oxidase enzyme contains copper. Reason Cyanide combines with the copper of cytochrome oxidase and prevents oxygen combining with it.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer175) Assertion Urea is a less toxic excretory substance comparatively to uric acid. Reason Birds and insects are uricotelic animals.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer176) Assertion Conducting tissues, especially xylem show greatest reduction in submerged hydrophytes. Reason Hydrophytes live in water so no need of tissues.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer177) Assertion Fructose-1, 6 diphosphate is converted into glyceraldehyde-3-phosphate and dihydroxyacetone-3-phosphate. Reason Conversion of fructose-1, 6 diphosphate into 3-phosphoglyceraldehyde and dihydroxyacetone-3-phosphate is facilitated by the enzyme aldolase.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer178) Assertion Process of maintaining a constant internal environment is known as homeostasis. Reason Kidneys are excretory and homeostatic organs.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer179) Assertion Organochlorine pesticides are organic compounds      that have been chlorinated. Reason Fenitrothion is one of the organochlorine pesticides.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer180) Assertion Thick layers of muscles are present in the wall of alimentary canal. Reason These muscles help in the mixing of food materials with the enzymes coming from different glands in the alimentary canal.
  A)
   extinction of these species from other regions
  done clear
  B)
          continental separation
  done clear
  C)
          absence of terrestrial route to these places
  done clear
  D)
          retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer181) Which of the following professor received the Physics Nobel Prize for 2009 for his ground breaking achievements concerning the transmission of light in fibers for optical communication?
  A)
   Daniel Colladon                               
  done clear
  B)
          Charles Kuen Kao
  done clear
  C)
                                          Walter Gerlach
  done clear
  D)
                          John Tyndall
  done clear
  View Answer play_arrow

• question_answer182) The Indian music composer, who got double Gramy Awards in Los Angeles on Feb 1,2010, is
  A)
   Ravi Shankar    
  done clear
  B)
                          Anu Malik
  done clear
  C)
          AR Rahman       
  done clear
  D)
                          Shankar Mahadevan
  done clear
  View Answer play_arrow

• question_answer183) India on Jan 11, successfully test fired the missile Astra from its Integrated Test Range at Balasore. This missile works from
  A)
   air to earth        
  done clear
  B)
                          earth to air        
  done clear
  C)
          sea to air            
  done clear
  D)
                          air to air
  done clear
  View Answer play_arrow

• question_answer184) On which day is annual Pravasi Bharatiya Divas celebrated to commemorate the day when Mahatma Gandhi returned from South Africa in 1915?
  A)
   Jan 7                    
  done clear
  B)
                          Jan 8                    
  done clear
  C)
                          Jan 9                    
  done clear
  D)
                          Jan 10
  done clear
  View Answer play_arrow

• question_answer185) Avatar has become the highest grossing movie of all time, surpassing the record made by Titanic. Who has directed both Avatar and Titanic?
  A)
   Steven Spielberg
  done clear
  B)
                          Danny Boyle     
  done clear
  C)
                          Roger Avary     
  done clear
  D)
                          James Cameron
  done clear
  View Answer play_arrow

• question_answer186) The United Nations (UN) has declared 2010 as the
  A)
   International Year of Youth
  done clear
  B)
          International Year of Renewable Energy
  done clear
  C)
          International Year of Eco-Tourism
  done clear
  D)
          International Year of Bio-degradable Material
  done clear
  View Answer play_arrow

• question_answer187) Which of these cricketers hold the record to play international cricket for the longest time?
  A)
   Sachin Tendulkar
  done clear
  B)
                         Garry Sobers    
  done clear
  C)
                          Colin Cowdrey
  done clear
  D)
                          Wilfred Rhodes
  done clear
  View Answer play_arrow

• question_answer188) Who has been conferred the 2009 GD Birla Award for Scientific Research?
  A)
   Anil Kakodkar  
  done clear
  B)
                          Mahindra Agrawal
  done clear
  C)
                                          Rajeev Motwani                             
  done clear
  D)
          Vainu Bappu
  done clear
  View Answer play_arrow

• question_answer189) Asias biggest Solar Power Plant has been recently unveiled at
  A)
   Japan                  
  done clear
  B)
                          Indonesia          
  done clear
  C)
                          Malaysia                            
  done clear
  D)
                          Taiwan
  done clear
  View Answer play_arrow

• question_answer190) Kaiane Aldorino has been named winner of the 2009 Miss World Pageant, recently held in Johannesburg. She belongs to                                           
  A)
   South Africa     
  done clear
  B)
                          Venezuela        
  done clear
  C)
                          Gibraltar                            
  done clear
  D)
                          Columbia
  done clear
  View Answer play_arrow

• question_answer191) Recently, which country suffered an earthquake which decimated its capital, killing millions of people?
  A)
   Sumatra                             
  done clear
  B)
                          Haiti                     
  done clear
  C)
                          Japan                  
  done clear
  D)
                          Sri Lanka
  done clear
  View Answer play_arrow

• question_answer192) The National Rural Employment Guarantee Act (NREGA) has been named after which famous national leader
  A)
   Mahatma Gandhi
  done clear
  B)
                         Rajeev Gandhi
  done clear
  C)
          Indira Gandhi   
  done clear
  D)
                          Jawahar Lai Nehru
  done clear
  View Answer play_arrow

• question_answer193) Who has won the National Snooker Championship, 2009?
  A)
   Geet Sethi        
  done clear
  B)
                          Sourav Kothari
  done clear
  C)
                          Pankaj Advani
  done clear
  D)
                          Ashok Shandilya
  done clear
  View Answer play_arrow

• question_answer194) Who has recently written the book Idea of Justice?
  A)
   Montek Singh Ahluwalia             
  done clear
  B)
          Amartya Sen    
  done clear
  C)
                          Omkar Goswami            
  done clear
  D)
                          C Rangarajan
  done clear
  View Answer play_arrow

• question_answer195) On which date, is Hindi Day Celebrated?
  A)
   Sep 5                   
  done clear
  B)
                          Sep 10                 
  done clear
  C)
                          Sep 14                 
  done clear
  D)
                          Sep 20
  done clear
  View Answer play_arrow

• question_answer196) Mukhya Mantri Kanyadan Yojana is a scheme of which state given below?
  A)
   Haryana                             
  done clear
  B)
                          Gujarat                               
  done clear
  C)
          Uttar Pradesh  
  done clear
  D)
                          Madhya Pradesh
  done clear
  View Answer play_arrow

• question_answer197) The first woman battalion to the deployed along the international border belongs to
  A)
   ITBP                     
  done clear
  B)
                          BSF                       
  done clear
  C)
                          Coast Guards   
  done clear
  D)
                          Assam Rifles
  done clear
  View Answer play_arrow

• question_answer198) Who among the following is the most powerful woman of the world as per a recent list of Forbes?
  A)
   Angela Markel 
  done clear
  B)
                          Cristina Fernandez        
  done clear
  C)
          Christine Lagarde           
  done clear
  D)
          Sonia Gandhi
  done clear
  View Answer play_arrow

• question_answer199) KONKAN is an annual exercise between the India and which of the following Navies?
  A)
   France                
  done clear
  B)
                          UK                        
  done clear
  C)
          US                        
  done clear
  D)
                          Israel
  done clear
  View Answer play_arrow

• question_answer200) What is the proposed venue of the 16th NAM Summit in 2012?
  A)
   Cuba                    
  done clear
  B)
                          Iran                      
  done clear
  C)
                          Indonesia          
  done clear
  D)
                          India
  done clear
  View Answer play_arrow