Solved papers for AIIMS AIIMS Solved Paper-2006

done AIIMS Solved Paper-2006 Total Questions - 200

• question_answer1) In refraction, light waves are bent on passing from one medium to the second medium, because, in the second medium:
  A)
  the frequency is different
  done clear
  B)
  the coefficient of elasticity is different
  done clear
  C)
  the speed is different
  done clear
  D)
  the amplitude is smaller
  done clear
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• question_answer2) Two spheres of same size, one of mass 2 kg and another of mass 4 kg, are dropped simultaneously from the top of Qutab Minar (height = 72 m). When they are 1 m above the ground, the two spheres have the same :
  A)
  momentum                       
  done clear
  B)
  kinetic energy                  
  done clear
  C)
  potential energy             
  done clear
  D)
  acceleration
  done clear
  View Answer play_arrow

• question_answer3) The moment of inertia of a rod about an axis through its centre and perpendicular to it is \[\frac{1}{12}M{{L}^{2}}\](where M is the mass and L, the 12 length of the rod). The rod is bent in the middle so that the two halves make an angle of 60°. The moment of inertia of the bent rod about the same axis would be:
  A)
  \[\frac{1}{48}M{{L}^{2}}\]
  done clear
  B)
                        \[\frac{1}{12}M{{L}^{2}}\]           
  done clear
  C)
        \[\frac{1}{24}M{{L}^{2}}\]           
  done clear
  D)
        \[\frac{M{{L}^{2}}}{8\sqrt{3}}\]
  done clear
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• question_answer4) A boat at anchor is rocked by waves whose crests are 100 m apart and velocity is 25 m/s. The boat bounces up once in every:
  A)
  2500s    
  done clear
  B)
                        75s                        
  done clear
  C)
        4 s                          
  done clear
  D)
        0.25 s
  done clear
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• question_answer5) By sucking through a straw, a student can reduce the pressure in his lungs to 750 mm of Hg (density \[=13.6\,g/c{{m}^{3}}\]). Using the straw, I he can drink water from a glass up to a maximum depth of:
  A)
  10cm      
  done clear
  B)
                        75cm                    
  done clear
  C)
        13.6cm                 
  done clear
  D)
        1.36cm
  done clear
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• question_answer6) Two parallel large thin metal sheets have equal surface charge densities \[(\sigma =26.4\times {{10}^{-12}}C/{{m}^{2}})\] of opposite signs. The electric field between these sheers is:
  A)
  1.5 N/C                                
  done clear
  B)
  \[1.5\times {{10}^{-10}}N/C\]
  done clear
  C)
        3 N/C                    
  done clear
  D)
        \[3\times {{10}^{-10}}\,N/C\]
  done clear
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• question_answer7) The magnetic moment has dimensions of;
  A)
  \[[LA]\]               
  done clear
  B)
        \[[{{L}^{2}}A]\]                
  done clear
  C)
  \[[L{{T}^{-1}}A]\]            
  done clear
  D)
        \[[{{L}^{2}}{{T}^{-1}}A]\]
  done clear
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• question_answer8) A wire mesh consisting of very small squares is viewed at a distance of 8 cm through a magnifying converging lens of focal length 10 cm, kept close to the eye. The magnification produced by the lens is:
  A)
  5             
  done clear
  B)
        8                             
  done clear
  C)
        10                          
  done clear
  D)
        20
  done clear
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• question_answer9) Hard X-rays for the study of fractures in bones should have a minimum wavelength of \[{{10}^{-11}}m\]. The accelerating voltage for electrons in X-ray machine should be:
  A)
  <124kV
  done clear
  B)
        >124Kv
  done clear
  C)
  Between 60 kV and 70 RV
  done clear
  D)
  = 100 kV
  done clear
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• question_answer10) In photoelectric effect, the electrons are  ejected from metals if the incident light has a certain minimum :
  A)
  Wavelength      
  done clear
  B)
        frequency          
  done clear
  C)
        amplitude          
  done clear
  D)
        angle of incidence
  done clear
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• question_answer11) A lens is made of flint glass (refractive index = 1.5). When the lens is immersed in a liquid of refractive index 1.25, the focal length:
  A)
  increases by a factor of 1.25
  done clear
  B)
  increases by a factor of 2.5
  done clear
  C)
  increases by a factor of 1.2
  done clear
  D)
  decreases by a factor of 1.2
  done clear
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• question_answer12) The voltage of clouds is \[4\times {{10}^{6}}V\] with respect to ground. In a lightning strike lasting 100 ms, a charge of 4 C is delivered to the ground. The power of lightning strike is:
  A)
  160 MW              
  done clear
  B)
        80 MW 
  done clear
  C)
        20 MW                 
  done clear
  D)
        500 kW
  done clear
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• question_answer13) Five capacitors, each of capacitance value C are connected as shown in the figure.   The   ratio   of  capacitance between P and  R, and the capacitance between P and Q is:
  A)
  3 : 1                                       
  done clear
  B)
  5 : 2
  done clear
  C)
  2 : 3    
  done clear
  D)
        1 : 1
  done clear
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• question_answer14) A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distance of 2 m and 3 m respectively from the source. The ratio of the intensities of the waves at P and Q is:
  A)
  9 : 4                       
  done clear
  B)
        2 : 3                       
  done clear
  C)
        3 : 2                                       
  done clear
  D)
  4 : 9
  done clear
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• question_answer15) For inelastic collision between two spherical rigid bodies:
  A)
  the total kinetic energy is conserved
  done clear
  B)
  the total mechanical energy is not conserved
  done clear
  C)
  the linear momentum is not conserved
  done clear
  D)
  the linear momentum is conserved
  done clear
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• question_answer16) When a p-n junction diode is reverse biased, then:
  A)
  no current flows
  done clear
  B)
  the depletion region is increased
  done clear
  C)
  the depletion region is reduced
  done clear
  D)
  the height of the potential barrier is reduced
  done clear
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• question_answer17) Which of the following diagrams represent the variation of electric field vector with time for a circularly polarized light?
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
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• question_answer18) The operation of a nuclear reactor is said to be critical, if the multiplication factor [k) has a value:
  A)
  1     
  done clear
  B)
                                        1.5                         
  done clear
  C)
        2.1                         
  done clear
  D)
        2.5
  done clear
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• question_answer19) The circuit given below represents which of the logic operations?
  A)
  AND   
  done clear
  B)
                                        NOT                      
  done clear
  C)
        OR                         
  done clear
  D)
        NOR
  done clear
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• question_answer20) A person used force (F), shown in figure to move a load with constant velocity on given surface. Identify the correct surface profile:
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
                                 
  done clear
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• question_answer21) Three objects colored black, gray and while can withstand hostile conditions up to \[2800{}^\circ C\]. These objects are thrown into a furnace where each of them attains a temperature of \[2000{}^\circ C\]. Which object will
  A)
  glow brightest?
  done clear
  B)
  The white object
  done clear
  C)
  The black object
  done clear
  D)
  All glow with equal brightness Gray object
  done clear
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• question_answer22) Two balloons are filled, one with pure He gas and the other by air, respectively. If the pressure and temperature of these balloons are same then the number of molecules per unit volume is:
  A)
  more in the He filled balloon
  done clear
  B)
  same in both balloons
  done clear
  C)
  more in air filled balloon
  done clear
  D)
  in the ratio of 1: 4
  done clear
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• question_answer23) Flash light equipped with a new set of batteries, produces bright white light. As the batteries wear out :
  A)
  the light intensity gets reduced with n6 change in its colour
  done clear
  B)
  light colour changes first to yellow and then red with no change in intensity
  done clear
  C)
  it stops working suddenly while giving white light
  done clear
  D)
  colour changes to red and also intensity gets reduced
  done clear
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• question_answer24) The spatial distribution of the electric field due to charges (A, B) is shown in figure. Which one of the following statements is correct?
  A)
  A is +ve and B -ve and \[\left| A \right|>\left| B \right|\]
  done clear
  B)
  A is -ve and B + ve;\[\left| A \right|=\left| B \right|\]
  done clear
  C)
  Both are +ve but A > B
  done clear
  D)
  Both are -ve but A > B
  done clear
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• question_answer25) Circular loop of a wire and   a long straight wire carry Wire currents \[{{I}_{c}}\] and \[{{I}_{e}}\] respectively as shown in figure. Assuming that these are placed in the same plane. The magnetic field will be zero at the centre of the   loop   when   the    Straight  separation H is:
  A)
  \[\frac{{{I}_{e}}R}{{{I}_{c}}\pi }\]
  done clear
  B)
                        \[\frac{{{I}_{c}}R}{{{I}_{e}}\pi }\]                             
  done clear
  C)
  \[\frac{\pi {{I}_{c}}}{{{I}_{e}}R}\]                             
  done clear
  D)
        \[\frac{{{I}_{e}}\pi }{{{I}_{c}}R}\]
  done clear
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• question_answer26) If a street light of mass M is suspended from the end of a uniform rod of length L in different possible patterns as shown in figure, then: (A) (B)  (C)
  A)
  pattern A is more sturdy              
  done clear
  B)
  pattern B is more sturdy
  done clear
  C)
  pattern C is more sturdy
  done clear
  D)
  all will have same sturdiness
  done clear
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• question_answer27) \[_{92}^{234}U\]has 92 protons and 238 nucleons. It decays by emitting an alpha panicle and becomes :
  A)
  \[_{92}^{234}U\]         
  done clear
  B)
                        \[_{90}^{234}Th\]                           
  done clear
  C)
        \[_{92}^{235}U\]             
  done clear
  D)
        \[_{93}^{237}Np\]
  done clear
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• question_answer28) The fossil bone has a \[^{14}C{{:}^{12}}C\] ratio, which is of that in a living animal bone. If the \[\left[ \frac{1}{16} \right]\]half-life of \[^{14}C\] is 5730 years, then the age of the fossil bone is:
  A)
  11460 years    
  done clear
  B)
        17190 years       
  done clear
  C)
        22920 years       
  done clear
  D)
        45840 years
  done clear
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• question_answer29) Which one of the following is a possible nuclear reaction?
  A)
  \[_{5}^{10}B+_{2}^{4}He\to _{7}^{13}N+_{1}^{1}H\]
  done clear
  B)
  \[_{11}^{23}Na+_{1}^{1}H\to _{10}^{20}Ne+_{2}^{4}He\]
  done clear
  C)
  \[_{93}^{239}Np\to _{94}^{239}Pu+{{\beta }^{-}}+\bar{v}\]
  done clear
  D)
    \[_{7}^{11}N+_{1}^{1}H\to _{6}^{12}C+{{\beta }^{-}}+v\]
  done clear
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• question_answer30) Two tuning forks P and Q when set vibrating, give 4 beats /s. If a prong of the fork P is filed, the beats are reduced to 2 /s. What is frequency of P, if that of Q is 250 Hz?
  A)
  246 Hz                  
  done clear
  B)
        250 Hz  
  done clear
  C)
        254 Hz                  
  done clear
  D)
        252 Hz
  done clear
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• question_answer31) A metallic ring is dropped down, keeping it plane perpendicular to a constant and horizontal magnetic field. The ring enters the region of magnetic field at t = 0 and completely emerges out at t =T s. The current in the ring varies as:
  A)
  
  done clear
  B)
  
  done clear
  C)
                 
  done clear
  D)
                                             
  done clear
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• question_answer32) If alpha, beta and gamma rays carry same momentum, which has the longest wavelength?
  A)
  Alpha rays          
  done clear
  B)
        Beta rays
  done clear
  C)
  Gamma rays
  done clear
  D)
  None, all have same wavelength
  done clear
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• question_answer33) An amplifier has a voltage gain \[{{A}_{v}}=\]1000. The voltage gain in dB is :
  A)
  30 dB                    
  done clear
  B)
        60 dB                    
  done clear
  C)
        3 dB                      
  done clear
  D)
        20 dB
  done clear
  View Answer play_arrow

• question_answer34) When you make ice cubes, the entropy of water:
  A)
  does not change
  done clear
  B)
  increases
  done clear
  C)
  decreases
  done clear
  D)
  may either increase or decrease depending on the process used
  done clear
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• question_answer35) A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown. The metal X has a higher coefficient of expansion compared to that for metal Y. When bimetallic strip is placed m a cold bath:
  A)
  it will bend towards the right
  done clear
  B)
  it will bend towards the left
  done clear
  C)
  it will not bend but shrink
  done clear
  D)
  it will neither bend nor shrink
  done clear
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• question_answer36) For a wave propagating in a medium identify the property that is independent of the others?
  A)
  Velocity
  done clear
  B)
  Wavelength
  done clear
  C)
  Frequency
  done clear
  D)
  All these depend on each other
  done clear
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• question_answer37) A leaf which contains only green pigments, is illuminated by a laser light of wavelength 0.6328\[\mu m\]. It would appear to be:
  A)
  Brown
  done clear
  B)
                                        Black     
  done clear
  C)
        Red                       
  done clear
  D)
        Green
  done clear
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• question_answer38) A light emitting diode (LED) has a voltage; drop of 2 V across it and passes a current of 10 mA. When it operates with a 6 V battery through a limiting resistor R. The value R is:
  A)
  40 \[k\Omega \]      
  done clear
  B)
                        4k\[k\Omega \]                               
  done clear
  C)
        200\[k\Omega \]             
  done clear
  D)
        400\[k\Omega \]
  done clear
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• question_answer39) The minimum potential difference between the base and emitter required to switch a silicon transistor ON is approximately:
  A)
  1 V
  done clear
  B)
                        3 V                         
  done clear
  C)
        5 V                         
  done clear
  D)
        4.2 V
  done clear
  View Answer play_arrow

• question_answer40) Given below is a circuit diagram of an AM demodulator. For good demodulation of AM signal of carrier frequency f, the value of RC should be:
  A)
  \[RC=\frac{1}{f}\]
  done clear
  B)
                        \[RC<\frac{1}{f}\]           
  done clear
  C)
        \[RC\ge \frac{1}{f}\]      
  done clear
  D)
        \[RC>>\frac{1}{f}\]
  done clear
  View Answer play_arrow

• question_answer41) Assertion: Electromagnetic waves with frequencies more than the critical frequency of ionosphere cannot be used for communication using sky wave propagation. Reason: The refractive index of the ionosphere becomes very high for frequencies higher than the critical frequency.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer42) Assertion: The binding energy per nucleon, tor nuclei with atomic mass number A > 100, decreases with A. Reason: The nuclear forces are weak for heavier nuclei.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer43) Assertion: In common base configuration, the current gain of the transistor is less than unity. Reason: The collector terminal is reverse biased for amplification.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer44) Assertion: In an isolated system the entropy increases. Reason: The processes in an isolated system are adiabatic.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer45) Assertion: Magnetic resonance imaging (MRI) is a useful diagnostic tool for producing images of various parts of human body. Reason: Protons of various tissues of the human body play a role in MRI.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer46) Assertion: A judo fighter in order to throw his opponent on to the mat tries to initially bend his opponent and then rotate him around his hip. Reason: As the mass of the opponent is brought closer to the fighters hip, the force required to throw the opponent is reduced.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer47) Assertion: The root mean square and most probable speeds of the molecules in a gas are the same.                  Reason: The Maxwell distribution for the speed of molecules in a gas is symmetrical.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer48) Assertion: Use of ball bearings between two moving parts of machine is a common practice. Reason: Ball bearings reduce vibrations and provide good stability.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer49) Assertion: Standard optical diffraction cannot be used for discriminating between different X-ray wavelengths. Reason: The grating spacing is not of the order of X-ray wavelengths.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer50) Assertion: Diamagnetic materials can exhibit magnetism. Reason: Diamagnetic materials have permanent magnetic dipole moment.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer51) Assertion: A man in a closed cabin falling freely does not experience gravity. Reason: Inertial and gravitational mass have equivalence.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer52) Assertion: Photoelectric emission is an instantaneous process. Reason: There is no time lag between incidence of light and emission of photoelectron.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer53) Assertion: The cannot cycle is useful in understanding the performance of heat engines. Reason: The Gamut cycle provides a way of determining the maximum possible efficiency achievable with reservoirs of given temperatures.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer54) Assertion: A p-n junction with reverse bias can be used as a photo-diode to measure light intensity. Reason: In a reverse bias condition the current is small but it is more sensitive to change in incident light intensity.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer55) Assertion: Perspiration from human body helps in cooling the body. Reason: A thin layer of water on the skin enhances its emissivity.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer56) Assertion: In adiabatic compression the internal energy and temperature of the system get decreased. Reason: The adiabatic compression is a slow process.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer57) Assertion: Cobalt-60 is useful in cancer therapy. Reason: Cobalt-60 is source of y-radiations capable of killing cancerous cell.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer58) Assertion: A thin stainless steel needle can lay floating on a still water surface. Reason: Any object floats when the buoyancy force balances the weight of the object.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer59) Assertion: In the phenomenon of mutual induction, self-induction of each of the coil persists. Reason: Self-induction arises when strength of current in one coil changes. In mutual induction current is changing in both the individual coils.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer60) Assertion: In optical fibre, the diameter of core is kept small. Reason: This smaller diameter of the core ensures that the fibre should have incident angle more than the critical angle required for total internal reflection.
  A)
  If both assertion and reason are true and the reason is the correct explanation of 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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer61) The pair in which both species have same magnetic moment (spin only value) is:
  A)
   \[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}},{{[CoC{{l}_{4}}]}^{2-}}\]
  done clear
  B)
   \[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}},{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
  done clear
  C)
   \[{{[Mn{{({{H}_{2}}O)}_{6}}]}^{2+}},{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
  done clear
  D)
   \[{{[CoC{{l}_{4}}]}^{2-}},{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer62) The pair in which both species have iron is:
  A)
   nitrogenase, cytochromes
  done clear
  B)
   carboxypeptidase, haemoglobin
  done clear
  C)
   haemocyanin, nitorogenase
  done clear
  D)
   haemoglobin, cytochromes
  done clear
  View Answer play_arrow

• question_answer63) Borax is used as cleansing because on dissolving in water it gives:
  A)
   alkaline solution
  done clear
  B)
   acidic solution
  done clear
  C)
   bleaching solution
  done clear
  D)
   colloidal solution
  done clear
  View Answer play_arrow

• question_answer64) The incorrect statement among the following is:
  A)
   \[{{C}_{60}}\] is an allotropic form of carbon
  done clear
  B)
   \[{{O}_{3}}\] is an allotropic form of oxygen
  done clear
  C)
   \[{{S}_{8}}\] is only allotropic form of sulphur
  done clear
  D)
   red phosphorus is more stable in air than white phosphorus.
  done clear
  View Answer play_arrow

• question_answer65) The pair whose both species are used in antiacid medicinal preparations is:
  A)
   \[NaHC{{O}_{3}}\] and \[Mg{{(OH)}_{2}}\]
  done clear
  B)
   \[N{{a}_{2}}C{{O}_{3}}\]and \[Ca{{(HC{{O}_{3}})}_{2}}\]
  done clear
  C)
   \[Ca{{(HC{{O}_{3}})}_{2}}\] and \[Mg{{(OH)}_{2}}\]
  done clear
  D)
   \[Ca{{(OH)}_{2}}\] and \[NaHC{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer66) The colour imparted by Co (II) compounds to glass is:
  A)
   green   
  done clear
  B)
                                          deep-blue         
  done clear
  C)
          yellow                 
  done clear
  D)
          red
  done clear
  View Answer play_arrow

• question_answer67) The number of possible isomers of an octahedral complex \[{{[Co{{({{C}_{2}}{{O}_{4}})}_{2}}{{(N{{H}_{3}})}_{2}}]}^{-}}\] is:
  A)
   1          
  done clear
  B)
                          2                            
  done clear
  C)
   3                            
  done clear
  D)
          4
  done clear
  View Answer play_arrow

• question_answer68) The ligands in anti-cancer drug ci5-platin are:
  A)
   \[N{{H}_{3}},Cl\]      
  done clear
  B)
         \[N{{H}_{3}},{{H}_{2}}O\]           
  done clear
  C)
          \[Cl,{{H}_{2}}O\]       
  done clear
  D)
          \[NO,Cl\]
  done clear
  View Answer play_arrow

• question_answer69) Given below, catalyst and corresponding process/reaction are matched. The mismatch is:
  A)
   \[[RhCl{{(PP{{h}_{3}})}_{2}}]:\]Hydrogenation
  done clear
  B)
   \[TiC{{l}_{4}}+Al{{({{C}_{2}}{{H}_{5}})}_{3}}:\] Polymerization
  done clear
  C)
   \[{{V}_{2}}{{O}_{5}}:\] Haber-Bosch process
  done clear
  D)
   Nickel: Hydrogenation
  done clear
  View Answer play_arrow

• question_answer70) Among the following, the species having square planar geometry for central atom are: (i) \[{{X}_{e}}{{F}_{4}}\]                (ii) \[S{{F}_{4}}\]                               (iii) \[{{[NiC{{l}_{4}}]}^{2-}}\]    (iv) \[{{[PtC{{l}_{4}}]}^{2-}}\]
  A)
   (i) and (iv)
  done clear
  B)
                          (i) and (ii)           
  done clear
  C)
          (ii) and (iii)     
  done clear
  D)
          (iii) and (iv)
  done clear
  View Answer play_arrow

• question_answer71) Tincture of iodine is:
  A)
   aqueous solution of \[{{I}_{2}}\]
  done clear
  B)
   solution of \[{{I}_{2}}\] in aqueous \[Kl\]
  done clear
  C)
   alcoholic solution of \[{{I}_{2}}\]
  done clear
  D)
   aqueous solution of \[Kl\]
  done clear
  View Answer play_arrow

• question_answer72) In \[{{[Ag{{(CN)}_{2}}]}^{2-}}\], the number of \[\pi \] bonds is:
  A)
   \[2\]
  done clear
  B)
                                          \[3\]                    
  done clear
  C)
   \[4\]                    
  done clear
  D)
          \[6\]
  done clear
  View Answer play_arrow

• question_answer73) The compound molecular in nature in gas phase but ionic in solid state is:
  A)
   \[PC{{l}_{5}}\]                 
  done clear
  B)
          \[CC{{l}_{4}}\] 
  done clear
  C)
          \[PC{{l}_{3}}\]                 
  done clear
  D)
          \[POC{{l}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer74) Which two of the following salts are used for preparing iodized salt? (i) \[KI{{O}_{3}}\]                                             (ii) \[KI\] (iii) \[{{I}_{2}}\]                                 (iv) \[HI\]
  A)
   (i) and (ii)           
  done clear
  B)
   (i) and (iii)          
  done clear
  C)
          (ii) and (iv)     
  done clear
  D)
          (iii) and (iv)
  done clear
  View Answer play_arrow

• question_answer75) The compound used in enrichment of uranium for nuclear power plant is:
  A)
   \[{{U}_{3}}{{O}_{8}}\]                  
  done clear
  B)
          \[U{{F}_{6}}\]                  
  done clear
  C)
   \[U{{O}_{2}}{{(N{{O}_{3}})}_{2}}\]
  done clear
  D)
   \[UC{{l}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer76) The de-Broglie wavelength associated with a ball of mass 1 kg having kinetic energy 0.5 J is:
  A)
   \[6.626\times {{10}^{-34}}m\]
  done clear
  B)
   \[13.20\times {{10}^{-34}}m\]
  done clear
  C)
   \[10.38\times {{10}^{-21}}m\]
  done clear
  D)
   \[6.626\times {{10}^{-34}}\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer77) Dominance of strong repulsive forces among the molecules of the gas (Z = compressibility factor):
  A)
   depends on Z and indicated by \[Z=1\]
  done clear
  B)
   depends on Z and indicated by \[Z>1\]
  done clear
  C)
   depends on Z and indicated by \[Z<1\]
  done clear
  D)
   is independent of Z
  done clear
  View Answer play_arrow

• question_answer78) 40 mL of 0.1 M ammonia solution is mixed, with 20 Ml of \[0.1\,HCl\].What is the pH of the mixture? (\[p{{K}_{b}}\] of ammonia solution is 4.74):
  A)
   \[4.74\]   
  done clear
  B)
                                          \[2.26\]              
  done clear
  C)
          \[9.26\]              
  done clear
  D)
          \[5.00\]
  done clear
  View Answer play_arrow

• question_answer79) For a spontaneous process the correct statement is:
  A)
   Entropy of the system always increases
  done clear
  B)
   Free energy of the system always increases
  done clear
  C)
   Total entropy change is always negative
  done clear
  D)
   Total entropy change is always positive
  done clear
  View Answer play_arrow

• question_answer80) The \[C{{a}^{2+}}\] and \[{{F}^{-}}\]c are located in \[Ca{{F}_{2}}\] crystal, respectively at body centered cubic lattice points and in:
  A)
   tetrahedral voids
  done clear
  B)
   half of tetrahedral voids
  done clear
  C)
   octahedral voids
  done clear
  D)
   half of octahedral voids
  done clear
  View Answer play_arrow

• question_answer81)  The charge required for the reduction of 1 mol of \[MnO_{4}^{-}\] to \[Mn{{O}_{2}}\] is:
  A)
   1 F                                        
  done clear
  B)
   3 F                        
  done clear
  C)
   5 F                        
  done clear
  D)
          6 F
  done clear
  View Answer play_arrow

• question_answer82) For the reaction \[2{{N}_{2}}{{O}_{5}}\xrightarrow{{}}4N{{O}_{2}}+{{O}_{2}}\] rate of reaction is:
  A)
   \[\frac{1}{2}\frac{d}{dt}[{{N}_{2}}{{O}_{5}}]\]                  
  done clear
  B)
   \[2\frac{d}{dt}[{{N}_{2}}{{O}_{5}}]\]     
  done clear
  C)
          \[\frac{1}{4}\frac{d}{dt}[N{{O}_{2}}]\]    
  done clear
  D)
          \[4\frac{d}{dt}[N{{O}_{2}}]\]
  done clear
  View Answer play_arrow

• question_answer83) For a phase change \[{{H}_{2}}O(l){{H}_{2}}O(s)\]
  A)
   \[\Delta G=0\]        
  done clear
  B)
          \[\Delta S=0\]  
  done clear
  C)
                                          \[\Delta H=0\]        
  done clear
  D)
          \[\Delta U=0\]
  done clear
  View Answer play_arrow

• question_answer84)  A 5% solution (by mass) of cane sugar in water has freezing point of 271 K and freezing point of pure water is 273.15 K. The freezing point of a 5% solution (by mass) of glucose in water is:
  A)
   271 K                   
  done clear
  B)
          273.15 K             
  done clear
  C)
          269.07 K             
  done clear
  D)
          277.23 K
  done clear
  View Answer play_arrow

• question_answer85) The energy gaps \[({{E}_{g}})\] between valence band and conduction band for diamond, silicon and germanium are in the order.
  A)
   \[{{E}_{g}}\] (diamond) \[>{{E}_{g}}\] (silicon) \[>{{E}_{g}}\] (germanium)
  done clear
  B)
   \[{{E}_{g}}\] (diamond) \[<{{E}_{g}}\] (silicon) \[<{{E}_{g}}\] (germanium)
  done clear
  C)
   \[{{E}_{g}}\] (diamond) \[={{E}_{g}}\] (silicon)\[={{E}_{g}}\] (germanium)
  done clear
  D)
   \[{{E}_{g}}\] (diamond)  \[>{{E}_{g}}\] (germanium) \[>{{E}_{g}}\] (silicon)
  done clear
  View Answer play_arrow

• question_answer86) The enthalpy change \[(\Delta H)\] for the reaction, \[{{N}_{2}}(g)+3{{H}_{2}}(g)\xrightarrow{{}}2N{{H}_{3}}(g)\] is  \[-92.38\text{ }kJ\] at 298 K. The internal energy change \[\Delta U\] at 298 K is:
  A)
   \[-\text{ }92.38\text{ }kJ\]                         
  done clear
  B)
   \[-\text{ }87.42\text{ }kJ\]         
  done clear
  C)
          \[-97.34\text{ }kJ\]        
  done clear
  D)
          \[-89.9kJ\]
  done clear
  View Answer play_arrow

• question_answer87) The products formed when an aqueous solution of \[NaBr\] is electrolyzed in a cell having inert electrodes are:
  A)
   \[Na\]and \[B{{r}_{2}}\]              
  done clear
  B)
   \[Na\] and \[{{O}_{2}}\]
  done clear
  C)
   \[{{H}_{2}},B{{r}_{2}}\] and \[NaOH\]
  done clear
  D)
   \[{{H}_{2}}\]  and  \[{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer88) Among the following L-serine is:
  A)
   
  done clear
  B)
   
  done clear
  C)
   
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer89) Among the following which one can have a meso form?
  A)
   \[C{{H}_{3}}CH(OH)CH(Cl){{C}_{2}}{{H}_{5}}\]
  done clear
  B)
   \[C{{H}_{3}}CH(OH)CH(OH)C{{H}_{3}}\]
  done clear
  C)
   \[{{C}_{2}}{{H}_{5}}CH(OH)CH(OH)C{{H}_{3}}\]
  done clear
  D)
   \[HOC{{H}_{2}}CH(Cl)C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer90) Which of the following sequence of reactions (reagents) can be used for the conversion of \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}C{{H}_{3}}\] into \[{{C}_{6}}{{H}_{5}}CH=C{{H}_{2}}\]?
  A)
   \[SOC{{l}_{2}};{{H}_{2}}O\]
  done clear
  B)
   \[SOC{{l}_{2}};alc.KOH\]
  done clear
  C)
   \[C{{l}_{2}}/hv;{{H}_{2}}O\]
  done clear
  D)
   \[{{C}_{6}}{{H}_{5}}OH\]
  done clear
  View Answer play_arrow

• question_answer91) Isopropylbenzene on air oxidation in the presence of dilute add gives:
  A)
   \[{{C}_{6}}{{H}_{5}}COOH\]       
  done clear
  B)
   \[{{C}_{6}}{{H}_{5}}COC{{H}_{3}}\]
  done clear
  C)
          \[{{C}_{6}}{{H}_{5}}CHO\]     
  done clear
  D)
          \[{{C}_{6}}{{H}_{5}}OH\]
  done clear
  View Answer play_arrow

• question_answer92) The major product obtained on the monobromination (with \[B{{r}_{2}}/FeB{{r}_{3}}\]) of the following compound A is:
  A)
         
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer93) The following sequence of reactions of A gives:
  A)
  
  done clear
  B)
  
  done clear
  C)
                   
  done clear
  D)
        
  done clear
  View Answer play_arrow

• question_answer94) Nitrobenzene on treatment with zinc dust and aqueous ammonium chloride gives-
  A)
   \[{{C}_{6}}{{H}_{5}}N=N-{{C}_{6}}{{H}_{5}}\]
  done clear
  B)
   \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]
  done clear
  C)
   \[{{C}_{6}}{{H}_{5}}NO\]
  done clear
  D)
   \[{{C}_{6}}{{H}_{5}}NHOH\]
  done clear
  View Answer play_arrow

• question_answer95) Thymine is:
  A)
   5-mediyluracil                  
  done clear
  B)
   4-methyluradl 
  done clear
  C)
   3-methyluracil                 
  done clear
  D)
   1-methyluradl
  done clear
  View Answer play_arrow

• question_answer96) Lysine is least soluble in water in the pH
  A)
   3 to 4                   
  done clear
  B)
          5 to 6   
  done clear
  C)
          6 to 7                   
  done clear
  D)
          8 to 9
  done clear
  View Answer play_arrow

• question_answer97) Methyl \[\alpha -\]D- glucoside and methyl \[\beta -D\]glucoside die.
  A)
   epimers       
  done clear
  B)
   anomers
  done clear
  C)
   enantiomers
  done clear
  D)
   conformational diastereomers
  done clear
  View Answer play_arrow

• question_answer98) Which of the following compounds has the highest boiling point?
  A)
   \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Cl\]
  done clear
  B)
   \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}Cl\]
  done clear
  C)
   \[C{{H}_{3}}CH(C{{H}_{3}})C{{H}_{2}}Cl\]
  done clear
  D)
   \[{{(C{{H}_{3}})}_{2}}CCl\]
  done clear
  View Answer play_arrow

• question_answer99) The correct increasing order of the reactivity of halides for \[{{S}_{N}}1\] reaction is:
  A)
   \[C{{H}_{3}}-C{{H}_{2}}-X<{{(C{{H}_{3}})}_{2}}CH-X\]\[<C{{H}_{2}}=CH-C{{H}_{2}}-X<PhC{{H}_{2}}-X\]
  done clear
  B)
   \[{{(C{{H}_{3}})}_{2}}CH-X<C{{H}_{3}}-C{{H}_{2}}-X\]\[<C{{H}_{2}}=CH-C{{H}_{2}}X<PhC{{H}_{2}}-X\]
  done clear
  C)
   \[PhC{{H}_{2}}-X<{{(C{{H}_{3}})}_{2}}CH-X\]\[<C{{H}_{3}}-C{{H}_{2}}-X<C{{H}_{2}}=CH-C{{H}_{2}}-X\]
  done clear
  D)
   \[C{{H}_{2}}=CH-C{{H}_{2}}-X<Ph-C{{H}_{2}}-X\]\[<{{(C{{H}_{3}})}_{2}}CH-X<C{{H}_{3}}-C{{H}_{2}}-X\]
  done clear
  View Answer play_arrow

• question_answer100) The major product formed in the following reaction. \[C{{H}_{3}}CH(Cl)C{{H}_{2}}-C{{H}_{2}}OH\xrightarrow{Aq.\,KOH}\] is
  A)
   \[C{{H}_{3}}CH=CH-C{{H}_{2}}OH\]
  done clear
  B)
   \[C{{H}_{2}}=CH-C{{H}_{2}}-C{{H}_{2}}OH\]
  done clear
  C)
   
  done clear
  D)
   \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-C{{H}_{2}}-C{{H}_{2}}OH\]
  done clear
  View Answer play_arrow

• question_answer101) Assertion: In the iodometric titration starch is used as an indicator. Reason: Starch is a polysaccharide.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer102) Assertion: Molecular nitrogen is less reactive than molecular oxygen. Reason: The bond length of \[{{N}_{2}}\] is shorter than that of oxygen.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer103) Assertion:  \[[Co{{(N{{O}_{2}})}_{3}}{{(N{{H}_{3}})}_{3}}]\] does not show optical isomerism. Reason: It has a plane of symmetry.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer104) Assertion: \[{{E}^{o}}\] for \[M{{n}^{3+}}/M{{n}^{2+}}\] is more positive than \[C{{r}^{3+}}/C{{r}^{2+}}.\]. Reason: The third ionization energy of \[Mn\] is larger than that of \[Cr\].
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer105) Assertion: \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] is used as a primary standard in volumetric analysis. Reason: It has a good solubility in water.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer106) Assertion: Silicones are hydrophobic in nature. Reason: \[Si-O-Si\] linkages are moisture sensitive.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer107) Assertion: According to transition state theory, for the formation of an activated complex, one of the vibrational degree of freedom is converted into a translational degree of freedom. Reason: Energy of the activated complex is higher than the energy of reactant 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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer108) Assertion: Water in liquid state is more stable than ice at room temperature. Reason: Water in liquid form has higher entropy than ice.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer109) Assertion:  \[S{{b}_{2}}{{S}_{3}}\] is not soluble in yellow ammonium sulphide. Reason: The common ion effect due to \[{{S}^{2-}}\] ions reduces the solubility of \[S{{b}_{2}}{{S}_{3}}\]
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer110) Assertion: Graphite is an example of tetragonal crystal system. Reason: For a tetragonal system, \[a=b\ne c,\], \[\alpha =\beta ={{90}^{o}},\gamma ={{120}^{o}}\]
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer111) Assertion: For the Daniel cell \[Zn|Z{{n}^{2+}}||C{{u}^{2+}}|.Cu\] with \[{{E}_{cell}}=1.1V,\] the application of opposite potential greater than 1.1 V results into flow of electron from cathode to anode. Reason: \[Zn\] is deposited at anode and \[Cu\] is deposited at cathode.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer112) Assertion: \[F{{e}^{2+}}\] can be used for coagulation of \[A{{s}_{2}}{{S}_{3}}\] sol. Reason:  \[F{{e}^{3+}}\] reacts with \[A{{s}_{2}}{{S}_{3}}\] to give\[F{{e}_{2}}{{S}_{3}}\].
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer113) Assertion: If red blood cells were removed from the body and placed in pure water, pressure inside the cells increases. Reason: The concentration of salt content in the cells increases.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer114) Assertion:  Change in colour of acidic solution of potassium dichromate by breath is used to test drunk drivers. Reason: Change in colour is due to the complexation of alcohol with potassium dichromate.                                    
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer115) Assertion: Anilinium chloride is pore acidic than ammonium chloride. Reason: Anilinium ion is resonance-stabilized.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer116) Assertion: Diastereoisomers   have  different physical properties,                         Reason: They are non-super imposable mirror images,
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer117) Assertion: The presence of nitro group facilitates nucleophilic substitution reactions in aryl halides. Reason: The intermediate carbanion is stabilized due to the presence of nitro group.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer118) Assertion: 1, 3-butadiene is the monomer for natural rubber. Reason: Natural rubber is formed through anionic addition polymerization.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer119) Assertion: Addition of \[HBr\] on 2-butene gives two isomeric products. Reason: Addition of \[HBr\] on 2-butene follows Markownikoffs rule.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer120) Assertion: The water pouch of instant cold pack for treating athletic injuries breaks when squeezed and \[N{{H}_{4}}N{{O}_{3}}\] dissolves lowering the temperature. Reason: Addition of non-volatile solute into solvent result into depression of freezing point of the solvent.                
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer121) Given below is a table comparing the effects of sympathetic and parasympathetic nervous system for four features (a - d). Which one feature is correctly described?
  A)

  Feature	Sympathetic Nervous System	Parasympahetic Nervous System
  Salivary gland	Stimulates secretion	inhibits secretion

   
  done clear
  B)

  Feature	Sympathetic Nervous System	Parasympahetic Nervous System
  Pupil of the eye	Dilate	Constricts

                                                                                                                   
  done clear
  C)

  Feature	Sympathetic Nervous System	Parasympahetic Nervous System
  Heart rate	Decreases	Increases

                                                                                                                                 
  done clear
  D)
   

  Feature	Sympathetic Nervous System	Parasympahetic Nervous System
  Intestinal peristalsis	Stimulates	Inhibits

                                                 
  done clear
  View Answer play_arrow

• question_answer122) Which one of the following animals is correctly matched with its one characteristic and the taxon?
  A)

  Animals	Characteristic	Taxon
  Millipede	Ventral nerve cord	Arachnida

  done clear
  B)

  Animals	Characteristic	Taxon
  Duckbilled platypus	Oviparous	Mammalian

  done clear
  C)

  Animals	Characteristic	Taxon
  Silverfish	Pectorol and pelvic fins	Chordate

                                                 
  done clear
  D)

  Animals	Characteristic	Taxon
  Sea anemone	Trioploblastic	Cnidaria

                                                                                   
  done clear
  View Answer play_arrow

• question_answer123) All mammals without any exception are characterized by:
  A)
   viviparity and biconcave red blood cells
  done clear
  B)
   extra-abdominal testes and a four -chambered heart
  done clear
  C)
   heterodont teeth and 12 pairs of cranial nerves
  done clear
  D)
   a muscular diaphragm and milk producing glands
  done clear
  View Answer play_arrow

• question_answer124) Which one of the following pairs of the kind of cells and their secretion of correctly matched?
  A)
   Oxyntic cells?A secretion with pH between 2.0 and 3.0
  done clear
  B)
   Alpha cells of Islets of Langerhans- Secretion that decreases blood sugar level
  done clear
  C)
   Kupfer cells?A digestive enzyme that hydrolyses nucleic acids
  done clear
  D)
   sebaceous glands?A secretion that evaporates for cooling
  done clear
  View Answer play_arrow

• question_answer125) Examine the diagram of the two cell types A and B given below and select the correct option:
  A)
   cell A is the rod cell found evenly all over retina
  done clear
  B)
   cell A is the cone cell more concentrated in the fovea centralis
  done clear
  C)
   cell B is concerned with colour vision in bright light
  done clear
  D)
   cell A is sensitive to low light intensities
  done clear
  View Answer play_arrow

• question_answer126) Which one of the following pairs of features is a good example of polygenic inheritance?
  A)
   Human height and skin colour
  done clear
  B)
   ABO blood group in humans and flower colour of Mirabilis jalapa
  done clear
  C)
   Hair pigment of mouse and tongue rolling in humans
  done clear
  D)
   Human eye colour and sickle cell anaemia
  done clear
  View Answer play_arrow

• question_answer127) Mating of an organism to a double recessive in order to determine whether it is homozygous or heterozygous for a character under consideration is called:
  A)
   reciprocal cross                               
  done clear
  B)
   test cross                           
  done clear
  C)
   dihybrid cross  
  done clear
  D)
         back cross
  done clear
  View Answer play_arrow

• question_answer128) In which one of the following sets of three items each belong to the category mentioned against them?
  A)
   Lysine, glycine, thiamine?Amino acids
  done clear
  B)
   Myosin, oxytocin and gastric? Hormones
  done clear
  C)
   Rennin, helicase and hyaluronidase? Enzymes
  done clear
  D)
   Optic nerve, occulomotor, vagus? Sensory nerves
  done clear
  View Answer play_arrow

• question_answer129) A cricket player is fast chasing a ball in the field. Which one of the following groups of bones are directly contributing in this movement?
  A)
   Femur, malleus, tibia, metatarsals
  done clear
  B)
   Pelvis, ulna, patella, tarsals
  done clear
  C)
   Sternum, femur, tibia, fibula
  done clear
  D)
   Tarsals, femur, metatarsals, tibia
  done clear
  View Answer play_arrow

• question_answer130) Given below is a highly simplified representation of the human sex chromosomes from a karyotype. The genes a & b could be of:
  A)
                  colour blindness and body height
  done clear
  B)
                  attached ear lobe and rhesus blood group
  done clear
  C)
                  haemophilia and red-green colour blindness
  done clear
  D)
                  phenylketonuria and haemophilia
  done clear
  View Answer play_arrow

• question_answer131) A lizard-like member of reptilian is sitting on a tree with its tail coiled around a twig. This animal could be:
  A)
   Hemidactylus showing sexual dimorphism
  done clear
  B)
   Varanus showing mimicry
  done clear
  C)
   Garden lizard (Calotes) showing camouflage
  done clear
  D)
   Chamaeleon showing protective colouration
  done clear
  View Answer play_arrow

• question_answer132) The figure given below shows three velocity-substrate concentration curves for an enzyme reaction. What do the curves a, b and c depict respectively?
  A)
   a-normal enzyme reaction, b-competitive inhibition, c-non-competitive inhibition
  done clear
  B)
   a-enzyme with an allosteric modulator added, b-normal              enzyme activity, c-competitive inhibition
  done clear
  C)
  a-enzyme with an allosteric stimulator, b-competitive inhibitor added, c-normal enzyme reaction
  done clear
  D)
  a-normal enzyme reaction, b-non-competitive inhibitor added, c-allosteric inhibitor added
  done clear
  View Answer play_arrow

• question_answer133) Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by:
  A)
   stroring them in underground storage tanks
  done clear
  B)
   using them for producing biogas
  done clear
  C)
   vermiculture
  done clear
  D)
   using them directly as biofertilizers
  done clear
  View Answer play_arrow

• question_answer134) Viruses that infect bacteria multiply and cause their lysis, are called :
  A)
   lysozymes                         
  done clear
  B)
   lipolytic                               
  done clear
  C)
                  lytic                       
  done clear
  D)
         lysogenic
  done clear
  View Answer play_arrow

• question_answer135) Genes present in the cytoplasm of eukaryotic cells, are found in:
  A)
   mitochondria and inherited via egg cytoplasm
  done clear
  B)
   lysosomes and peroxisomes
  done clear
  C)
   golgi bodies and smooth endoplasmic reticulum
  done clear
  D)
   plastids and inherited via male gamete
  done clear
  View Answer play_arrow

• question_answer136) The type of epithelial cells which line the inner surface of fallopian tubes, bronchioles and small bronchi, are known as:
  A)
   squamous epithelium
  done clear
  B)
   columnar epithelium
  done clear
  C)
   cilated epithelium
  done clear
  D)
   cubical epithelium
  done clear
  View Answer play_arrow

• question_answer137) Which one of the following is a matching pair of certain organism (s) and the kind of association?
  A)
   Shark and sucker fish?Commensalism
  done clear
  B)
   Red algae and fungi in lichens?Mutualism
  done clear
  C)
   Orchids growing on trees?Parasitism
  done clear
  D)
   Cuscuta (dodder) growing on other- flowering plants-Epiphytism
  done clear
  View Answer play_arrow

• question_answer138) A normal woman whose father was colorblind, is married to a normal man. The sons would be:
  A)
   75% colourblind                              
  done clear
  B)
   50% colourblind              
  done clear
  C)
        all normal           
  done clear
  D)
         all colourblind
  done clear
  View Answer play_arrow

• question_answer139) Which one of the following precedes re-formation of the nuclear envelope during M phase of the cell cycle?
  A)
   Decondensation from chromosomes and reassembly of the nuclear lamina
  done clear
  B)
   Transcription from chromosomes and reassembly of the nuclear lamina
  done clear
  C)
   Formation of the contractile ring and formation of the phragmoplast
  done clear
  D)
   Formation of the contractile ring and transcription from chromosomes
  done clear
  View Answer play_arrow

• question_answer140) Which one of the following pairs is correctly matched?
  A)
   Rhizobium?Parasite in the roots of leguminous plants
  done clear
  B)
   Mycorrhizae?Mineral uptake from soil
  done clear
  C)
   Yeast?Production of biogas
  done clear
  D)
   Mvxomycetes?The disease ringworm
  done clear
  View Answer play_arrow

• question_answer141) In the following table identify the correct matching of the crop, its disease and the corresponding pathogen:
  A)

  Crop	Diseases	Pathogen
  Citrus	Canker	Pseudomonas rubrilineans

  done clear
  B)

  Crop	Diseases	Pathogen
  Potato	Late blight	Fusarium udum

   
  done clear
  C)

  Crop	Diseases	Pathogen
  Birnjal	Root-knot	Meloidogyne incognita

   
  done clear
  D)

  Crop	Diseases	Pathogen
  Pigeon pea	Seed gall	Phytophthora infestans

  done clear
  View Answer play_arrow

• question_answer142) In which one of the following combinations (a-d) of the number of the chromosomes is the present day hexaploid wheat correctly represented?
  A)

  Combination	Monosomic	Halpoid	Nulisomic	Trisomic
  	21	28	42	43

  done clear
  B)

  Combination	Monosomic	Halpoid	Nulisomic	Trisomic
  	7	28	4	43

   
  done clear
  C)

  Combination	Monosomic	Halpoid	Nulisomic	Trisomic
  	21	7	42	43

   
  done clear
  D)

  Combination	Monosomic	Halpoid	Nulisomic	Trisomic
  	41	21	40	43

   
  done clear
  View Answer play_arrow

• question_answer143) Grafting is successful in decots but not in monocots because the dicots have:
  A)
   vascular bundles arranged in a ring
  done clear
  B)
   cambium for secondary growth
  done clear
  C)
   vessels with elements arranged end to end
  done clear
  D)
   cork cambium
  done clear
  View Answer play_arrow

• question_answer144) In the sieve elements, which one of the following is the most likely function of P-proteins?
  A)
   Deposition of callose on sieve plates
  done clear
  B)
   Providing energy for active translocation
  done clear
  C)
   Autolvtic enzymes
  done clear
  D)
   Sealing mechanism on wounding
  done clear
  View Answer play_arrow

• question_answer145) Myxomycetes are:
  A)
   saprobes or parasites, having mycelia, asexual reproduction by fragmentation, sexual reproduction by fusion of gametes
  done clear
  B)
   slimy mass of multinucleate protoplasm, having pseudopodia like structures for engulfing food, reproduction through fragmentation or zoospores
  done clear
  C)
   prokaryotic organisms, cellular or acellular, saprobes or autotrophic reproduce by binary fission
  done clear
  D)
   eukaryotic, single-celled or filamentous, saprobes or autotrophic, asexual reproduction by division of haploid individuals, sexual reproduction by fusion of two cells or their nuclei
  done clear
  View Answer play_arrow

• question_answer146) ?Ordines Anomali? of Bentham and Hooker includes:
  A)
   seed plants showing abnormal forms of growth and development
  done clear
  B)
   plants represented Only in fossil state
  done clear
  C)
   plants described in the literature but which Bentham and Hooker did not see in original
  done clear
  D)
   a few orders which could not be placed satisfactorily in the classification
  done clear
  View Answer play_arrow

• question_answer147) Both corpus luteum and macula lutea are:
  A)
   found in human ovaries
  done clear
  B)
   a source of hormones
  done clear
  C)
   characterized by a yellow colour
  done clear
  D)
   contributory in maintaining pregnancy
  done clear
  View Answer play_arrow

• question_answer148) A scion is grafted to a stock. The quality of fruits produced will be determined by the genotype of:
  A)
   stock
  done clear
  B)
   scion
  done clear
  C)
   both stock and scion
  done clear
  D)
   neither stock nor scion
  done clear
  View Answer play_arrow

• question_answer149) In prokaryotes, chromatophores are:
  A)
   specialized granules responsible for colouration of cells
  done clear
  B)
   structures responsible for organizing the shape of the organism
  done clear
  C)
   incusion bodies lying free inside the cells for carrying out various metabolic activities
  done clear
  D)
   internal membrane systems that may become extensive and complex in photosynthetic bacteria
  done clear
  View Answer play_arrow

• question_answer150) Among rust, smut and mushroom all the three:
  A)
   are pathogens 
  done clear
  B)
         are saprobes    
  done clear
  C)
         bear ascocarps
  done clear
  D)
         bear basidiocarps
  done clear
  View Answer play_arrow

• question_answer151) The function of leghaemoglobin during biological nitrogen fixation in root nodules of legumes, is to:
  A)
   convert atmospheric \[{{N}_{2}}\] to \[N{{H}_{3}}\]
  done clear
  B)
   convert ammonia to nitrite
  done clear
  C)
   transport oxygen for activity of nitrogenase
  done clear
  D)
   protect nitrogenase from oxygen
  done clear
  View Answer play_arrow

• question_answer152) Avena curvature test is a bioassay for examining the activity of:
  A)
   auxins                 
  done clear
  B)
         gibberellins  
  done clear
  C)
   cytokinins          
  done clear
  D)
         ethylene
  done clear
  View Answer play_arrow

• question_answer153) What is common between chloroplasts, chromoplasts and leucoplasts?
  A)
   Presence of pigments
  done clear
  B)
   Possession of thylakoids and grana
  done clear
  C)
   Storage of starch, proteins and lipids
  done clear
  D)
   Ability to multiply by a fission-like process
  done clear
  View Answer play_arrow

• question_answer154) Plants of which one of the following groups of genera are pollinated by the same agency?
  A)
   Triticum, Mussanda, Zea mays
  done clear
  B)
   Kadam, Cannabis
  done clear
  C)
   Salvia, Calotropis
  done clear
  D)
   Salvia, Pinus, Ophrys
  done clear
  View Answer play_arrow

• question_answer155) The Montreal protocol refers to:
  A)
   persistent organic pollutants
  done clear
  B)
   global warming and climate change
  done clear
  C)
   substances that deplete the ozone layer
  done clear
  D)
   biosafety of genetically modified organisms
  done clear
  View Answer play_arrow

• question_answer156) Keystone species deserve protection because these:
  A)
   are capable of surviving in harsh environmental conditions
  done clear
  B)
   indicate presence of certain minerals in the soil
  done clear
  C)
   have become rare due to over exploitation
  done clear
  D)
   play an important role in supporting other species
  done clear
  View Answer play_arrow

• question_answer157) In India, we find mangoes with different flavours, colours, fibre content, sugar content and even shelf life. The large variation is on account of:
  A)
   species diversity             
  done clear
  B)
         induced mutations
  done clear
  C)
         genetic diversity
  done clear
  D)
         hybridization
  done clear
  View Answer play_arrow

• question_answer158) During protein synthesis in an organism, at one point the process comes to a halt. Select the group of the three codons from the following, from which any one of the three could bring about this halt?
  A)
   UUU, UCC, UAU             
  done clear
  B)
         UUC, UUA, UAC             
  done clear
  C)
         UAG, UGA, UAA
  done clear
  D)
         UUG, UCA, UCG
  done clear
  View Answer play_arrow

• question_answer159) Biosophere reserves differ from National Parks and Wildlife Sancturies because in the former:
  A)
   human beings are not allowed to enter
  done clear
  B)
   people are an integral part of the system
  done clear
  C)
   plants are paid greater attention than the animals
  done clear
  D)
   living organisms are brought from all over the world and preserved for posterity
  done clear
  View Answer play_arrow

• question_answer160) Somaclonal variation is seen in:
  A)
   tissue culture grown plants
  done clear
  B)
   apomicts
  done clear
  C)
   polyploids
  done clear
  D)
   vegetatively propagated plants
  done clear
  View Answer play_arrow

• question_answer161) Assertion: A person who has received a cut and is bleeding needs to be given anti-tetanus treatment. Reason: Anti-tetanus injection provides immunity by producing antibodies for tetanus.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer162) Assertion: Cancer cells are virtually immortal until the body in which they resides dies. Reason: Cancer is caused by damage to genes regulating the cell division cycle.
  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 statement but reason is false.
  done clear
  D)
  If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer163) Assertion: A network of food chains existing together in an ecosystem is known as a food web. Reason: An animal like kite cannot be a part of a food web.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer164) Assertion: In plant tissue culture, somatic embryos can be induced from any plant cell. Reason: Any viable plant cell can differentiate in to somatic embryos.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer165) Assertion: The earliest organisms that appeared on the earth were non-green and presumably anaerobes. Reason: The first autotrophic organisms were the chemo-autotrophs that never released oxygen.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer166) Assertion: Escherichia coli, Shigella sp. and Salmonella sp. are all responsible for diarrhoeal diseases. Reason: Dehydration is common to all types of diarrhoeal diseases and adequate supply of fluids and electrolytes should be ensured.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer167) Assertion: Deforestation is one main factor contributing to global warming. Reason: Besides \[C{{O}_{2}}\], two other gases methane and CFCs are also included under greenhouse gases.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer168) Assertion: LSD and marijuana are clinically used as analgesics. Reason: Both these drugs suppress brain function.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer169) Assertion: An organism with lethal mutation may not even develop beyond the zygote stage. Reason: All types of gene mutations are lethal.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer170) Assertion: Our body secretes adrenaline in intense cold. Reason: Adrenaline raises metabolic rate.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer171) Assertion: In collateral vascular bundles, phloem is situated towards inner side. Reason: In monocot stem, cambium is present.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer172) Assertion: In angiosperms, the conduction of water is more efficient because their xylem has vessels. Reason: Conduction of water by vessel elements is an active process with energy supplied by xylem parenchyma rich in mitochondria
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer173) Assertion: Polytene chromosomes have a high amount of DNA. Reason: Polytene chromosomes are formed by repeated replication of chromosomal DNA without separation of chromatids.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer174) Assertion: UV radiation causes photodissociation of ozone into \[{{O}_{2}}\] and O, thus causing damage to the stratospheric ozone layer. Reason: Ozone hole is resulting in global warming and climate change.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer175) Assertion: A concentration of methane in the atmosphere has more than doubled in the last 250 years. Reason: Wetlands and rice field are the major sources of methane.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer176) Assertion:           In tropical rain forests, O-horizon and A-horizon of soil profile are shallow and nutrient-poor. Reason: Excessive growth of micro-organisms in the soil depletes its organic content.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer177) Assertion: Gram-negative bacteria do not retain the stain when washed with alcohol. Reason: The outer face of the outer membrane of Gram-negative bacteria contains lipopolysaccharides, a part of which is integrated into the membrane lipids.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer178) Assertion: Under conditions of high light intensity and limited \[C{{O}_{2}}\] supply, photo-respiration has a useful role in protecting the plants from photo-oxidative damage. Reason: If enough \[C{{O}_{2}}\] is not available to utilize light energy for carboxylation to processed, the excess energy may not cause damage to plants.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer179) Assertion: Photosynthetically \[{{C}_{4}}\] plants are less efficient than \[{{C}_{3}}\] plants. Reason: The operation of \[{{C}_{4}}\] pathway requires the involvement of only bundle-sheath cells.
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer180) Assertion: Eukaryotic cells have the ability to adopt a variety of shapes and carry out directed movements. Reason: There are three principal types of protein filaments-actin filament, microtubules and intermediate filaments, which constitute the cytoskeleton
  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 statement but reason is false.
  done clear
  D)
   If both assertion and reason are false.
  done clear
  View Answer play_arrow

• question_answer181) Biometry refers to:
  A)
   Identification of hymans by scanning face and fingerprints         
  done clear
  B)
          Measurement of mechanical displacement in humans
  done clear
  C)
          A method of lie detection
  done clear
  D)
          Body length relationships across the evolutionary scale
  done clear
  View Answer play_arrow

• question_answer182) Which one of the following is one of the two days when the sun rises exactly in the east?
  A)
   14th January      
  done clear
  B)
                          21st March        
  done clear
  C)
                          21st June                           
  done clear
  D)
                          23rd December
  done clear
  View Answer play_arrow

• question_answer183) X-rays were discovered by:        
  A)
   Wilhelm K. Roentgen   
  done clear
  B)
          H. Kissinger       
  done clear
  C)
                          Sir C.V. Raman 
  done clear
  D)
                          Meghnad Saha
  done clear
  View Answer play_arrow

• question_answer184) Which one of the following literary titles is correctly matched with its author?
  A)
   Ramayan            ?           Tulsidas
  done clear
  B)
          Mahabharat      ?           Vedvyas
  done clear
  C)
          Kumarsambhav               ?           Ravidas
  done clear
  D)
          Shakuntala         ?           Bhushan
  done clear
  View Answer play_arrow

• question_answer185) A very much publicized treatment method ?DOTS? is being adopted for the cure of:
  A)
   Dementia                          
  done clear
  B)
          Tetanus
  done clear
  C)
          Tuberculosis                     
  done clear
  D)
          Sexually transmitted disease
  done clear
  View Answer play_arrow

• question_answer186) Which of the following Indian cricket player after India-Pakistan ODI (one-day International) at Abudhabi became no. 1 ODI batsman in the ICC (International Cricket Club) ranking:
  A)
   Rahul Dravid                     
  done clear
  B)
          Yuvraj                 
  done clear
  C)
                          Sachin Tendulkar
  done clear
  D)
                          M.S. Dhoni
  done clear
  View Answer play_arrow

• question_answer187) The jungle in Rudyard Kipplings Jungle book, describes which part of Indian forest?
  A)
   Central Indian forest near Satpura range
  done clear
  B)
          Ittranchal thick forest
  done clear
  C)
          Himalayan Forest in Himachal
  done clear
  D)
          Nilgiri Jungles
  done clear
  View Answer play_arrow

• question_answer188) Sardar Sarovar Dam is built on the river:
  A)
   Jhelam                                
  done clear
  B)
          Narmada           
  done clear
  C)
                          Tapti                    
  done clear
  D)
                          Vyas
  done clear
  View Answer play_arrow

• question_answer189) One ream of paper equal to:
  A)
   100-110 sheets                
  done clear
  B)
          256 sheets        
  done clear
  C)
                          480-500 sheets
  done clear
  D)
                          1000 sheets
  done clear
  View Answer play_arrow

• question_answer190) Which of the following honour is given by UNESCO?
  A)
   The Kalinga prize            
  done clear
  B)
          Magasay Award
  done clear
  C)
          Pulitzer Prize
  done clear
  D)
          Order of the Golden Ark Award
  done clear
  View Answer play_arrow

• question_answer191) Body line in the cricket refers to:
  A)
   Bowling that hits the body
  done clear
  B)
          The line of body close to Wicket line
  done clear
  C)
          The white line on ground within which, the player stands
  done clear
  D)
          The line of moving ball
  done clear
  View Answer play_arrow

• question_answer192) Hindu view of life is written by:
  A)
   S. Radhakrishnan
  done clear
  B)
                          R.K. Narayan    
  done clear
  C)
                          V.D. Savarkar   
  done clear
  D)
                          John Ruskin
  done clear
  View Answer play_arrow

• question_answer193) Lagoon refers to:
  A)
   A full moon
  done clear
  B)
          The sea breaking into the land and then separated by sand dunes
  done clear
  C)
          A spot in a desert made fertile by presence of water
  done clear
  D)
          Horse shoe shaped coral reef
  done clear
  View Answer play_arrow

• question_answer194) Ecology deals with:
  A)
   The earth and planets
  done clear
  B)
          The relationship between organisms and environment
  done clear
  C)
          The life under the sea
  done clear
  D)
          Economical growth of poor people
  done clear
  View Answer play_arrow

• question_answer195) The supreme command of the defence forces is vested with the :
  A)
   Field Marshal                   
  done clear
  B)
          Commander-in-chief
  done clear
  C)
          Prime minister                
  done clear
  D)
          President of India
  done clear
  View Answer play_arrow

• question_answer196) Indias first battle field missile is:
  A)
   Akash                                  
  done clear
  B)
          Prithvi                 
  done clear
  C)
          Agni                     
  done clear
  D)
                          Nag
  done clear
  View Answer play_arrow

• question_answer197) Which sea is referred to in our National Anthem?
  A)
   Bay of Bengal                   
  done clear
  B)
          Indian ocean
  done clear
  C)
          Arabian sea      
  done clear
  D)
                          No sea is mentioned in it
  done clear
  View Answer play_arrow

• question_answer198) The National calendar of India is based on:
  A)
   Gragorian calendar        
  done clear
  B)
          Hizrr Era
  done clear
  C)
          Saka Era                             
  done clear
  D)
                          one of the old Indian Era
  done clear
  View Answer play_arrow

• question_answer199) Which of the following gases is most toxic?
  A)
   Carbon dioxide               
  done clear
  B)
          Carbon monoxide                          
  done clear
  C)
          Sulpher dioxide              
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer200) The gas used in the manufacture of vanaspati ghee is:
  A)
   Helium                                
  done clear
  B)
          Oxygen                              
  done clear
  C)
                          Nitrogen                            
  done clear
  D)
   Hydrogen
  done clear
  View Answer play_arrow