Solved papers for EAMCET Medical EAMCET Medical Solved Paper-2008

done EAMCET Medical Solved Paper-2008 Total Questions - 153

• question_answer1) If power (P), surface tension (T) and Plancks constant (h) are arranged, so that the dimensions of time in their dimensional formulae are in ascending order, then which of the following is correct?
  A)
   P, T, h                                  
  done clear
  B)
   P, h, T
  done clear
  C)
   T, P, h                                  
  done clear
  D)
   r, h, P
  done clear
  View Answer play_arrow

• question_answer2) Three forces \[\overrightarrow{A}=(\widehat{i}+\widehat{j}+\widehat{k}),\] \[\overrightarrow{B}=(2\widehat{i}-\widehat{j}+3\widehat{k})\,and\,\overrightarrow{C}\]acting on a body to keep it in equilibrium. Then \[\overrightarrow{C}\] is
  A)
   \[-(3\widehat{i}+4\widehat{k})\]                           
  done clear
  B)
   \[-(4\widehat{i}+3\widehat{k})\]
  done clear
  C)
    \[3\widehat{i}+4\widehat{j}\]                                
  done clear
  D)
   \[2\widehat{i}-3\widehat{k}\]
  done clear
  View Answer play_arrow

• question_answer3) A block of mass m = 2 kg is pulled by a force F = 40 N upwards through a height h = 2 m. Find the work done on the block by the applied force F and its weight mg.(g = 10 m/s)
  A)
   80 J, -45 J                           
  done clear
  B)
   40 J, 35 J
  done clear
  C)
    zero, 0.25 J                       
  done clear
  D)
   80 J,-40 J
  done clear
  View Answer play_arrow

• question_answer4) A man is walking due east at the rate of 2 km/h. The rain appears to him to come down vertically at the rate of 2 km/h. The actual velocity and direction of rainfall with the vertical respectively are
  A)
   \[2\sqrt{2}\,km/h,{{45}^{0}}\]                 
  done clear
  B)
   \[\frac{1}{\sqrt{2}}\,km/h,{{30}^{0}}\]
  done clear
  C)
   \[2\,km/h,{{0}^{0}}\]                   
  done clear
  D)
   \[1\,km/h,{{90}^{0}}\]
  done clear
  View Answer play_arrow

• question_answer5) The object at rest suddenly explodes into three parts with the mass ratio 2:1:1. The parts of equal masses move at right angles to each other with equal speeds. The speed of the third part after the explosion will be
  A)
   2v                                                         
  done clear
  B)
   v/\[\sqrt{2}\]
  done clear
  C)
   v/2                                       
  done clear
  D)
   \[\sqrt{2}\]v
  done clear
  View Answer play_arrow

• question_answer6) Two balls of same mass each m are moving with same velocities v on a smooth surface as shown in figure. If all collisions between the masses and with the wall are perfectly elastic, the possible   number   of collisions between the bodies and wall together is
  A)
   1                                            
  done clear
  B)
   2
  done clear
  C)
    3                                           
  done clear
  D)
   infinity
  done clear
  View Answer play_arrow

• question_answer7) A body of mass m strikes another body at rest of mass \[\frac{m}{9}\]. Assuming the impact to be inelastic the fraction of the initial kinetic energy transformed into heat during the contact is
  A)
   0.1                                        
  done clear
  B)
   0.2
  done clear
  C)
    0.5                                       
  done clear
  D)
   0.64
  done clear
  View Answer play_arrow

• question_answer8) A body of mass 10 kg is lying on a rough plane inclined at an angle of 30° to the horizontal and the coefficient of friction is 0.5. The minimum force required to pull the body up the plane is
  A)
   914 N                                   
  done clear
  B)
   91.4 N
  done clear
  C)
   9.14 N                                 
  done clear
  D)
   0.914 N
  done clear
  View Answer play_arrow

• question_answer9) Assertion (A) : A ball connected to a string is in circular motion on a frictionless horizontal table and is in equilibrium. Reason (R): Magnitude of the centripetal force is equal to the magnitude of the tension in the string. The correct answer is
  A)
                  Both (A)  and (R) are true and (R) is the correct explanation of .
  done clear
  B)
                  Both (A) and (R) are true but (R) is not the correct explanation of .
  done clear
  C)
                  (A) is true but (R) is not true.
  done clear
  D)
                  (A) is not true but (R) is true.
  done clear
  View Answer play_arrow

• question_answer10) Circular disc of mass 2 kg and radius 1 m is rotating about an axis perpendicular to its plane and passing through its centre of mass with a rotational kinetic energy of 8 J. The angular momentum in (J-s) is
  A)
   8                                                            
  done clear
  B)
   4
  done clear
  C)
   2                                                            
  done clear
  D)
   1
  done clear
  View Answer play_arrow

• question_answer11) If the earth shrinks such that its density becomes 8 times to the present value, then the new duration of the day in hours will be
  A)
   24                                         
  done clear
  B)
   12
  done clear
  C)
   6\[\sqrt{2}\]                                     
  done clear
  D)
   3
  done clear
  View Answer play_arrow

• question_answer12) A girl swings on a cradle in sitting position. If she stands, the time period of cradle
  A)
   decreases
  done clear
  B)
   increases
  done clear
  C)
   remains constant
  done clear
  D)
   first increases then it remains constant
  done clear
  View Answer play_arrow

• question_answer13) When a wire is subjected to a force along its length, its length increases by 0.4% and its radius decreases by 0.2%. Then the Poissons ratio of the material of the wire is
  A)
   0.8                                        
  done clear
  B)
   0.5
  done clear
  C)
   0.2                                        
  done clear
  D)
   0.1
  done clear
  View Answer play_arrow

• question_answer14) A capillary tube is taken from the earth to the surface of the moon. The rise of the liquid column on the moon (acceleration due to gravity on the earth is 6 times that of the moon)is
  A)
   six times that on the earths surface
  done clear
  B)
   \[\frac{1}{6}\] that on the earths surface
  done clear
  C)
    equal to that on the earths surface
  done clear
  D)
   zero
  done clear
  View Answer play_arrow

• question_answer15) A solid sphere falls with a terminal velocity v in \[C{{O}_{2}}\]gas. If it is allowed to fall in vacuum,
  A)
   terminal velocity of sphere = v
  done clear
  B)
   terminal velocity of sphere < v
  done clear
  C)
   terminal velocity of sphere > v
  done clear
  D)
   sphere never attains terminal velocity
  done clear
  View Answer play_arrow

• question_answer16) A two litre glass flask contains some mercury. It is found that at all temperatures the volume of the air inside the flask remains the same. The volume of the mercury inside the flask is (\[\alpha \] for glass \[=9\times {{10}^{-6}}/C,\gamma \] for mercury\[=\text{ }1.8\times {{10}^{-4}}/{}^\circ C\])
  A)
   1500 cc                                
  done clear
  B)
   150 cc
  done clear
  C)
    3000 cc                               
  done clear
  D)
   300 cc
  done clear
  View Answer play_arrow

• question_answer17) A lead bullet, of initial temperature 27°C and speed v km/h penetrates into a solid object and melts. If 50% of the kinetic energy is used to heat it, the value of v in km/h is (for lead melting point = 600 K, latent heat of fusion \[=2.5\times 104\text{ }J\text{ }k{{g}^{-1}};\] specific heat\[=125J\text{ }k{{g}^{-1}}{{K}^{-1}}\])
  A)
   3600                                     
  done clear
  B)
   1800
  done clear
  C)
   1200                                     
  done clear
  D)
   1000
  done clear
  View Answer play_arrow

• question_answer18) One mole of an ideal gas undergoes an isothermal change at temperature T, so that its volume V is doubled, R is the molar gas constant. Work done by the gas during this change is
  A)
   RT log 4                               
  done clear
  B)
   RT log 2
  done clear
  C)
   RT log 1                               
  done clear
  D)
   RT log 3
  done clear
  View Answer play_arrow

• question_answer19) 10 g of water at \[70{}^\circ C\] is mixed with 5 g of water at \[30{}^\circ C\]. Find the temperature of the mixture in equilibrium.
  A)
  \[33.33{}^\circ C\]                           
  done clear
  B)
   \[56.67{}^\circ C\]
  done clear
  C)
  \[77.66{}^\circ C\]                           
  done clear
  D)
  \[30{}^\circ C\]
  done clear
  View Answer play_arrow

• question_answer20) A body cools from \[70{}^\circ C\] to \[50{}^\circ C\] in 5 min. Temperature of surroundings is \[20{}^\circ C\]. Its temperature after next 10 min is
  A)
  \[25{}^\circ C\]                                 
  done clear
  B)
  \[30{}^\circ C\]
  done clear
  C)
  \[35{}^\circ C\]                                 
  done clear
  D)
  \[45{}^\circ C\]
  done clear
  View Answer play_arrow

• question_answer21) The frequencies of three tuning forks A, B and C have a relation \[{{n}_{A}}>{{n}_{B}}>{{n}_{C,}}\]When the forks A and B are sounded together the number of beats produced is n1. When A and C are sounded together the number of beats produced is n2, then the number of beats produced when B and C are sounded together is
  A)
   \[{{n}_{1}}+{{n}_{2}}\]                                 
  done clear
  B)
   \[\frac{{{n}_{1}}+{{n}_{2}}}{2}\]
  done clear
  C)
    \[{{n}_{2}}-{{n}_{1}}\]                                 
  done clear
  D)
   \[{{n}_{1}}-{{n}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer22) Two strings of the same material and the same area of cross-section are used in sonometer experiment. One is loaded with 12 kg and the other with 3 kg. The fundamental frequency of the first string is equal to the first overtone of the second string. If the length of the second string is 100 cm, then the length of the first string is
  A)
   300 cm                                
  done clear
  B)
   200 cm
  done clear
  C)
   100 cm                                
  done clear
  D)
   50 cm
  done clear
  View Answer play_arrow

• question_answer23) Wave theory cannot explain the phenomena of  Polarization                       Diffraction  Compton effect                               Photoelectric effect Which of the following is correct?
  A)
   A and B
  done clear
  B)
   B and D
  done clear
  C)
   C and D                               
  done clear
  D)
   D and A
  done clear
  View Answer play_arrow

• question_answer24) In Huygens eyepiece
  A)
   chromatic aberration is not eliminated
  done clear
  B)
   spherical aberration  is  completely eliminated
  done clear
  C)
   focal length of field lens and eye lens are equal
  done clear
  D)
   cross wires cannot be provided
  done clear
  E)
                  (e) None of the above
  done clear
  View Answer play_arrow

• question_answer25) Solar spectrum is an example of
  A)
   line emission spectrum
  done clear
  B)
   band absorption spectrum
  done clear
  C)
   line absorption spectrum
  done clear
  D)
   continuous emission spectrum
  done clear
  View Answer play_arrow

• question_answer26) In Youngs double slit experiment using two identical slits, the intensity at a bright fringe on the screen is I. If one of the slits is now closed, the intensity of the same bright fringe on the screen will be
  A)
   I                                                             
  done clear
  B)
   I/2
  done clear
  C)
   I/4                                        
  done clear
  D)
   \[\frac{I}{\sqrt{2}}\]
  done clear
  View Answer play_arrow

• question_answer27) Two bar magnets are placed in a vibration magnetometer and allowed to vibrate. They make 15 oscillations/min when their similar poles are on the same side, while they make 20 oscillations/min when their opposite poles lie on the same side. The ratio of their magnetic moments is
  A)
   7 : 25                                    
  done clear
  B)
   25 : 7
  done clear
  C)
   25 : 16                                 
  done clear
  D)
   16 : 25
  done clear
  View Answer play_arrow

• question_answer28) A short bar magnet placed at a certain distance from a deflection magnetometer in tan A position produces a deflection of \[60{}^\circ \]. The magnet is now cut into three equal pieces. If one piece is kept at the same distance in tan A position from the deflection magnetometer, then the deflection produced is
  A)
  \[10{}^\circ \]                                   
  done clear
  B)
  \[20{}^\circ \]
  done clear
  C)
  \[30{}^\circ \]                                   
  done clear
  D)
  \[60{}^\circ \]
  done clear
  View Answer play_arrow

• question_answer29) A charge Q is placed at each comer of a cube of side a. The potential at the centre of the cube is
  A)
   \[-\frac{Q}{2}\]                               
  done clear
  B)
   \[+\frac{Q}{2}\]
  done clear
  C)
    \[-\frac{Q}{4}\]                                              
  done clear
  D)
   \[+\frac{Q}{4}\]
  done clear
  View Answer play_arrow

• question_answer30) A charge q is placed at the mid-point of the line joining two equal charges of Q. If the whole system is in equilibrium, then the value of q is
  A)
   \[-\frac{Q}{2}\]                               
  done clear
  B)
   \[+\frac{Q}{2}\]
  done clear
  C)
   \[-\frac{Q}{4}\]                               
  done clear
  D)
   \[+\frac{Q}{4}\]
  done clear
  View Answer play_arrow

• question_answer31) I and V are respectively the current and voltage in a metal wire of resistance R. Two I-V graphs at two different   temperatures T1 and T2 are given in the graph. Then,
  A)
  \[{{T}_{1}}={{T}_{2}}\]                                  
  done clear
  B)
   \[{{T}_{1}}>{{T}_{2}}\]
  done clear
  C)
  \[{{T}_{1}}<{{T}_{2}}\]                                  
  done clear
  D)
   \[{{T}_{1}}=2{{T}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer32) A projector lamp can be used at a maximum voltage of 60 V, its resistance is 20\[\Omega \], the series resistance (in ohms) required to operate the lamp from a 75 V supply is
  A)
   2                                                            
  done clear
  B)
   3
  done clear
  C)
    4                                                           
  done clear
  D)
   5
  done clear
  View Answer play_arrow

• question_answer33) A heater coil working on mains produces 100 cal of heat in a certain time. Now the heater coil is cut into three equal parts and one part is only used for heating. The quantity of heat produced (in calories) in the same time is
  A)
   300                                       
  done clear
  B)
   200
  done clear
  C)
   100/3                                   
  done clear
  D)
   200/3
  done clear
  View Answer play_arrow

• question_answer34) A circular coil of wire of radius r has N turns and carries a current I. The magnetic induction  at a point on the axis of the coil at a distance \[\sqrt{3}\]r from its centre is
  A)
   \[\frac{{{\mu }_{0}}IN}{4r}\]                                     
  done clear
  B)
   \[\frac{{{\mu }_{0}}IN}{8r}\]
  done clear
  C)
    \[\frac{{{\mu }_{0}}IN}{16\pi r}\]                           
  done clear
  D)
   \[\frac{{{\mu }_{0}}IN}{32r}\]
  done clear
  View Answer play_arrow

• question_answer35) The north pole of a bar magnet is moved towards a coil along the axis passing through the centre of the coil and perpendicular to the plane of the coil. The direction of the induced current in the coil when viewed in the direction of the motion of the magnet is
  A)
   clockwise
  done clear
  B)
   anticlockwise
  done clear
  C)
   no current in the coil
  done clear
  D)
   either clockwise or anticlockwise
  done clear
  View Answer play_arrow

• question_answer36) A transformer has 1500 turns in the primary coil and 1125 turns in the secondary coil. If the voltage in the primary coil is 200 V, then the voltage in the secondary coil is
  A)
   100 V                                   
  done clear
  B)
   150 V
  done clear
  C)
   200 V                                   
  done clear
  D)
   250 V
  done clear
  View Answer play_arrow

• question_answer37) An oil drop having a charge was kept between two plates having a potential difference of 400 V is in equilibrium. Now another drop of same oil with same charge but double the radius is introduced between the plates. Then the potential difference necessary to keep the drop in equilibrium is
  A)
   200 V                                   
  done clear
  B)
   800 V
  done clear
  C)
    1600 V                                
  done clear
  D)
   3200 V
  done clear
  View Answer play_arrow

• question_answer38) The threshold frequency for a certain metal is \[{{v}_{0}}.\]When a certain radiation of frequency \[2{{v}_{0}}\] is incident on this metal surface the maximum velocity of the photoelectrons emitted \[2\times {{10}^{6}}m{{s}^{-1}}.\]If a radiation of frequency \[3{{v}_{0}}\] is incident on the same metal surface the maximum velocity of the photoelectrons emitted (in\[m{{s}^{-1}}\]) is
  A)
  \[2\times {{10}^{6}}\]                                   
  done clear
  B)
   2\[\sqrt{2}\] \[\times {{10}^{6}}\]
  done clear
  C)
    4\[\sqrt{2}\]\[\times {{10}^{6}}\]                          
  done clear
  D)
   4\[\sqrt{3}\]\[\times {{10}^{6}}\]
  done clear
  View Answer play_arrow

• question_answer39) Which of the following particles are baryons?
  A)
   Nucleons and hyperons
  done clear
  B)
   Nucleons and leptons
  done clear
  C)
   Hyperons and leptons
  done clear
  D)
   Hyperons and bosons
  done clear
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• question_answer40) If an intrinsic semiconductor is heated, the ratio of free electrons to holes is
  A)
   greater than one
  done clear
  B)
   less than one
  done clear
  C)
   equal to one
  done clear
  D)
   decreases and becomes zero
  done clear
  View Answer play_arrow

• question_answer41) The wavelength (in\[\,\overset{\text{o}}{\mathop{\text{A}}}\,\]) of an emission line obtained for \[\text{L}{{\text{i}}^{2+}}\]during an electronic transition  from  \[{{n}_{2}}=2\]  to  \[{{n}_{1}}=1\]  is (R = Rydberg constant)
  A)
   \[\frac{3R}{4}\]                                               
  done clear
  B)
   \[\frac{27R}{4}\]
  done clear
  C)
   \[\frac{4}{3R}\]                                               
  done clear
  D)
   \[\frac{4}{27R}\]
  done clear
  View Answer play_arrow

• question_answer42) Match the following?

  List -I	List -II
  (A) \[mvr=\frac{nh}{2\pi }\]	(i) Paschen series
  (B) Infra - red	(ii) Electron total energy
  (C) \[\lambda =\frac{h}{p}\]	(iii) de - Broglie equation
  (D) \[\frac{-{{e}^{2}}}{2r}\]	(iv) Schrodinger equation
  	(v) Bohrs equation

  The correct answer is
  A)
  A-(v)      B-(ii)      C-(iii)    D-(i)
  done clear
  B)
  A-(iii)     B-(ii)      C-(v)      D-(iv)
  done clear
  C)
  A-(v)      B-(i)       C-(iii)    D-(ii)
  done clear
  D)
  A-(iv)     B-(i)       C-(ii)      D-(iii)
  done clear
  View Answer play_arrow

• question_answer43) \[a\xrightarrow{-\beta poarticle}B\xrightarrow{-\alpha paritcle}C\xrightarrow{-\beta \,particle}D\] In the above conversion, which one of the following is not true?
  A)
   A and D are isotopes
  done clear
  B)
   B and C are isodiaphers
  done clear
  C)
    C and D are isobars
  done clear
  D)
   A and B are isotopes
  done clear
  View Answer play_arrow

• question_answer44) The elements X,V and Z form oxides which are acidic, basic and amphoteric respectively. The correct order of their electronegativity is
  A)
   \[X>Y>Z\]
  done clear
  B)
   \[Z>V>X\]
  done clear
  C)
   \[X>Z>Y\]
  done clear
  D)
   \[Y>X>Z\]
  done clear
  View Answer play_arrow

• question_answer45) Match the following

  List - I	List -II
  (A) \[BC{{l}_{3}}\]	(i) Linear
  (B) \[Pdr_{4}^{2-}\]	(ii) Planar triangular
  (C) \[S{{F}_{6}}\]	(iii) Tetrahedral
  (D) \[\text{I}_{3}^{-}\]	(iv) Square planar

  The correct match is
  A)
  A-(ii)      B-(iii)     C-(iv)    D-(i)
  done clear
  B)
  A-(v)      B-(iii)     C-(ii)      D-(i)
  done clear
  C)
  A-(ii)      B-(v)      C-(iv)    D-(i)
  done clear
  D)
  A-(v)      B-(iv)     C-(iii)    D-(ii)
  done clear
  View Answer play_arrow

• question_answer46) The correct order of dipole moments for \[\text{N}{{\text{H}}_{\text{3}}}\text{,}{{\text{H}}_{\text{2}}}\text{O}\] and \[\text{C}{{\text{O}}_{2}}\] molecules is
  A)
   \[NH3>{{H}_{2}}O>C{{O}_{2}}\]
  done clear
  B)
   \[C{{O}_{2}}>N{{H}_{3}}>{{H}_{2}}O\]
  done clear
  C)
   \[{{H}_{2}}O>C{{O}_{2}}>N{{H}_{3}}\]
  done clear
  D)
   \[{{H}_{2}}O>N{{H}_{3}}>C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer47) 40 g of a sample of carbon on combustion left 10% of it unreacted. The volume of oxygen required at STP for this combustion reaction is
  A)
   22.4 L                                   
  done clear
  B)
   67.2 L
  done clear
  C)
   11.2 L                                   
  done clear
  D)
   44.8 L
  done clear
  View Answer play_arrow

• question_answer48) In a flask of V litres, 0.2 moles of \[{{\text{O}}_{\text{2}}}\text{,0}\text{.4}\]moles of \[{{\text{N}}_{2}},\,0.1\]moles of \[\text{N}{{\text{H}}_{\text{3}}}\] and 0.3 moles of He gases are present at \[\text{27}{{\,}^{\text{o}}}\text{C}\text{.}\]If total pressure exerted by these non-reacting gases is 1 atm, the partial pressure exerted by \[{{\text{N}}_{2}}\]gas is
  A)
   0.4 atm                               
  done clear
  B)
   0.3 atm
  done clear
  C)
   0.2 atm                               
  done clear
  D)
   0.1 atm
  done clear
  View Answer play_arrow

• question_answer49) The volumes of two \[\text{HCl}\] solutions A(0.5 N) and B(0.1 N) to be mixed for preparing 2 L of 0.2 N HCl solution are
  A)
   \[0.5L\]of \[A+1.5L\]of B
  done clear
  B)
   \[1.5\,L\]of \[A+0.5L\]of B
  done clear
  C)
   \[1L\]of \[A+1L\]of B
  done clear
  D)
   \[0.75L\]of \[A+1.25L\]of B  
  done clear
  View Answer play_arrow

• question_answer50) When 0.1 mole of an acid is added to 2 L of a buffer solution, the pH of the buffer decreases by 0.5. The buffer capacity of the solution is
  A)
   0.6                                        
  done clear
  B)
   0.4
  done clear
  C)
   0.2                                        
  done clear
  D)
   0.1
  done clear
  View Answer play_arrow

• question_answer51) Identify Bronsted-Lowry acids in the reaction given.                             \[\underset{(A)}{\mathop{{{[Al{{({{H}_{2}}O)}_{2}}]}^{3+}}}}\,+\underset{(B)}{\mathop{HCO_{3}^{-}}}\,\underset{(C)}{\mathop{{{[Al{{({{H}_{2}}O)}_{5}}(O{{H}^{-}})]}^{2+}}}}\,\] \[\underset{(D)}{\mathop{+{{H}_{2}}C{{O}_{3}}}}\,\] The correct answer is
  A)
   ,                             
  done clear
  B)
   (B,)
  done clear
  C)
   ,                             
  done clear
  D)
   ,
  done clear
  View Answer play_arrow

• question_answer52) The cell potential of the following cell at \[\text{25}{{\,}^{\text{o}}}\text{C}\] (in volts) is \[\underset{(1\,atm)}{\mathop{(pt){{H}_{2}}}}\,\left| \underset{(0.01M)}{\mathop{{{H}^{+}}}}\, \right|\left| \underset{0.1\,M}{\mathop{C{{u}^{2+}}}}\, \right|Cu\] \[(E_{C{{u}^{2+}}|Cu}^{o}=0.337\,V)\]
  A)
   \[0.308\]                            
  done clear
  B)
   \[0.427\]
  done clear
  C)
   \[-0.308\]                          
  done clear
  D)
   \[0.337\]
  done clear
  View Answer play_arrow

• question_answer53) Which one of the following reactions occur at the cathode?
  A)
   \[2O{{H}^{-}}\xrightarrow{{}}{{H}_{2}}O+1/2{{O}_{2}}+2{{e}^{-}}\]
  done clear
  B)
   \[Ag\xrightarrow{{}}A{{g}^{+}}+{{e}^{-}}\]
  done clear
  C)
   \[F{{e}^{2+}}\xrightarrow{{}}F{{e}^{3+}}+{{e}^{-}}\]
  done clear
  D)
   \[C{{u}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Cu\]
  done clear
  View Answer play_arrow

• question_answer54) AB is an ionic solid. If the ratio of ionic radii of \[{{\text{A}}^{\text{+}}}\] and \[{{\text{B}}^{-}}\] is 0.52, what is the coordination number of \[{{\text{B}}^{-}}\]?
  A)
   2                                            
  done clear
  B)
   3
  done clear
  C)
   6                                            
  done clear
  D)
   8
  done clear
  View Answer play_arrow

• question_answer55) The rate constant of a first order reaction is \[0.0693\,{{\min }^{-1}}.\] What is the time (in minutes) required for reducing an initial concentration of \[\text{20}\,\text{mol}\,{{\text{L}}^{-1}}\] to\[\text{2}\text{.5}\,\text{mol}\,{{\text{L}}^{-1}}\]?
  A)
   40                                         
  done clear
  B)
   30
  done clear
  C)
   20                                         
  done clear
  D)
   10
  done clear
  View Answer play_arrow

• question_answer56) \[\text{A(g)}\xrightarrow{{}}\text{B(g)}\]is a first order reaction. The initial concentration of A is \[\text{0}\text{.2}\,\text{mol}\,{{\text{L}}^{-1}}.\]After 10 min, the concentration of B is found to be \[\text{0}\text{.18}\,\text{mol}\,{{\text{L}}^{-1}}.\] The rate constant \[(in\,mi{{n}^{-1}})\] for the reaction is
  A)
   0.2303                                 
  done clear
  B)
   2.303
  done clear
  C)
   0.693                                   
  done clear
  D)
   0.01
  done clear
  View Answer play_arrow

• question_answer57) \[\text{100}\,\text{c}{{\text{m}}^{\text{3}}}\]of \[\text{0}\text{.1 M HCl}\] and \[\text{100}\,\text{c}{{\text{m}}^{\text{3}}}\] of 0.1 M \[\text{NaOH}\] solutions are mixed in a calorimeter. If the heat liberated is "Q" kcal, the heat of neutralisation \[\text{( }\!\!\Delta\!\!\text{ H)}\] (in kcal) of \[\text{HCl(aq)}\] and \[\text{NaOH(aq)}\] is
  A)
   \[-10Q\]                             
  done clear
  B)
   \[-100Q\]
  done clear
  C)
   \[-1000Q\]                        
  done clear
  D)
   \[Q\]
  done clear
  View Answer play_arrow

• question_answer58) Which one of the following reactions is an example of auto-catalysis?
  A)
   \[2As{{H}_{3}}(s)\xrightarrow{{}}2As(s)+3{{H}_{2}}(g)\]
  done clear
  B)
   \[{{N}_{2}}(g)+3{{H}_{2}}(g)\xrightarrow{Fe(s)}2N{{H}_{3}}(g)\]
  done clear
  C)
    \[2S{{O}_{2}}(g){{O}_{2}}(g)\xrightarrow{NO(g)}2S{{O}_{3}}(g)\]
  done clear
  D)
   \[{{C}_{12}}{{H}_{22}}{{O}_{11}}(l)+{{H}_{2}}O(l)\xrightarrow{{{H}^{+}}(l)}\]\[{{C}_{6}}{{H}_{12}}{{O}_{6}}(l)+{{C}_{6}}{{H}_{12}}{{O}_{6}}(l)\]
  done clear
  View Answer play_arrow

• question_answer59) If 11.1 mg of \[CaC{{l}_{2}}\]and 12 mg of \[\text{MgS}{{\text{O}}_{\text{4}}}\]are present in 2 L of water, what is its hardness  (in gram\[\text{CaC}{{\text{O}}_{3}}/ppm\]) ?
  A)
   5                            
  done clear
  B)
   10
  done clear
  C)
   15                                         
  done clear
  D)
   20
  done clear
  View Answer play_arrow

• question_answer60) The correct order of stability for the following superoxides is
  A)
   \[K{{O}_{2}}>Rb{{O}_{2}}>Cs{{O}_{2}}\]
  done clear
  B)
   \[~Rb{{O}_{2}}>Cs{{O}_{2}}>K{{O}_{2}}\]
  done clear
  C)
   \[Cs{{O}_{2}}>Rb{{O}_{2}}>K{{O}_{2}}\]
  done clear
  D)
   \[K{{O}_{2}}>Cs{{O}_{2}}>Rb{{O}_{2}}\]                  With progressive increase in the size of alkali metal ions, the stability of superoxides increases
  done clear
  View Answer play_arrow

• question_answer61) A mixture of boron trichloride and hydrogen is subjected to silent electric discharge to form A and \[\text{HCl}\text{.}\]A is mixed with \[\text{N}{{\text{H}}_{\text{3}}}\]and heated to \[\text{200}{{\,}^{\text{o}}}\text{C}\] to form B. The formula of B is
  A)
   \[{{\text{H}}_{\text{3}}}\text{B}{{\text{O}}_{\text{3}}}\]                           
  done clear
  B)
   \[{{\text{B}}_{\text{2}}}{{\text{O}}_{\text{3}}}\]
  done clear
  C)
   \[{{\text{B}}_{\text{3}}}{{\text{N}}_{\text{3}}}{{\text{H}}_{\text{6}}}\]                               
  done clear
  D)
   \[{{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}\]
  done clear
  View Answer play_arrow

• question_answer62) Hydrolysis  of \[\text{SiC}{{\text{l}}_{4}}\]  gives  compound X and \[\text{HCl}\text{.}\] On heating to \[\text{1000}{{\,}^{\text{o}}}\text{C,}\] X loses water and forms Y. Identify X and Y, respectively
  A)
   \[\text{Si}{{\text{O}}_{2}}\]and Si                          
  done clear
  B)
   \[{{\text{H}}_{\text{4}}}\text{Si}{{\text{O}}_{\text{4}}}\] and \[\text{Si}{{\text{O}}_{\text{2}}}\]
  done clear
  C)
    \[\text{Si}{{\text{O}}_{\text{2}}}\] and \[\text{SiC}\] 
  done clear
  D)
   \[{{\text{H}}_{\text{4}}}\text{Si}{{\text{O}}_{\text{4}}}\] and \[\text{SiC}\]
  done clear
  View Answer play_arrow

• question_answer63) The number of P?O bonds and lone pair of electrons present in \[{{\text{P}}_{\text{4}}}{{\text{O}}_{\text{6}}}\] molecule are, respectively
  A)
   12, 16                                  
  done clear
  B)
   12, 12
  done clear
  C)
   8, 8                                       
  done clear
  D)
   12, 4
  done clear
  View Answer play_arrow

• question_answer64) X, Y are anhydrides of sulphurous acid and sulphuric acid, respectively. The hybridization state and the shape of X and Y are
  A)

  \[X\]	\[Y\]
  \[s{{p}^{2}},\] angular	\[s{{p}^{3}},\] tetrahedral

                 
  done clear
  B)

  \[X\]	\[Y\]
  \[s{{p}^{2}},\] angular	\[s{{p}^{2}},\] angular

  done clear
  C)

  \[X\]	\[Y\]
  \[s{{p}^{2}},\] angular	\[s{{p}^{2}},\] planar triangular

  done clear
  D)

  \[X\]	\[Y\]
  \[s{{p}^{3}},\]planar	\[s{{p}^{3}},\]planar

  done clear
  View Answer play_arrow

• question_answer65) \[Ca{{(OH)}_{2}}\xrightarrow[-{{H}_{2}}O]{C{{l}_{2}}}A\xrightarrow{Auto-oxidation}CaC{{l}_{2}}+B\]Identify B in the above reaction.
  A)
   \[CaOC{{l}_{2}}\]                            
  done clear
  B)
   \[Ca{{(C1{{O}_{3}})}_{2}}\]
  done clear
  C)
   \[Ca{{(OH)}_{2}}\]         
  done clear
  D)
   \[Ca{{(Cl{{O}_{2}})}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer66) Which of the following statements about  noble gases are correct? (i) \[\text{Xe}{{\text{O}}_{\text{3}}}\]  is  an  explosive  tetrahedral molecule. (ii) In Fisher Ringes method, a mixture of \[\text{CaC}{{\text{l}}_{\text{2}}}\] and \[\text{Ca}{{\text{C}}_{\text{2}}}\] is used to remove \[{{\text{N}}_{\text{2}}}\] and \[{{\text{O}}_{2}}.\] (iii) He and Ne are chemically inert due to lack of d-orbitals and high ionization potential. (iv) At 173 K He and Ne are adsorbed on activated charcoal. The correct answer is
  A)
   I and II                                
  done clear
  B)
   II and III
  done clear
  C)
   II, III and IV       
  done clear
  D)
   I, II, III and IV
  done clear
  View Answer play_arrow

• question_answer67) Which one of the following pairs of complexes has the effective atomic number equal to 36 for the transition element?
  A)
   \[[Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}:{{K}_{3}}[Fe{{(CN)}_{6}}]\]
  done clear
  B)
   \[[Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}};[Cr{{({{H}_{2}}O)}_{6}}]C{{l}_{3}}]\]
  done clear
  C)
   \[[Fe{{(CO)}_{5}}];{{K}_{4}}[Fe{{(CN)}_{6}}]\]
  done clear
  D)
   \[[Fe{{(CO)}_{5}}];{{K}_{3}}[Fe{{(CN)}_{6}}]\]
  done clear
  View Answer play_arrow

• question_answer68) 5 L aqueous solution is kept in the presence of oxygen and suitable micro-organism for five days at \[\text{20}{{\,}^{\text{o}}}\text{C}\text{.}\] If the \[{{\text{O}}_{2}}\] consumed is 0.2 g, the BOD value of the sample is
  A)
   4ppm                                  
  done clear
  B)
   \[0.4,mg\,{{L}^{-1}}\]
  done clear
  C)
   40ppm                                
  done clear
  D)
   \[20\,\text{mg}\,{{\text{L}}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer69) Which one of the following graphs represent the correct order of boiling points (b. p.) of ethane (1), ethyl alcohol (2) and acetic acid (3)?
  A)
                                                 
  done clear
  B)
  
  done clear
  C)
                                                                 
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer70) Which one of the following reactions yield   2E-butene as the major product?
  A)
   \[C{{H}_{3}}-C\equiv C-C{{H}_{3}}+Na/N{{H}_{3}}(liq.)\]
  done clear
  B)
   \[C{{H}_{3}}-CH=CH-C{{H}_{3}}+Li/N{{H}_{3}}(liq.)\]
  done clear
  C)
   \[C{{H}_{3}}-C=C-C{{H}_{3}}+Na/N{{H}_{4}}OH\]
  done clear
  D)
   \[C{{H}_{3}}-C\equiv C-C{{H}_{3}}+Pd/BaS{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer71) Identify C in the following reaction\[{{C}_{2}}{{H}_{2}}\xrightarrow[acid]{Chromic}A\xrightarrow{N{{H}_{3}}}B\xrightarrow[-{{H}_{2}}O]{\Delta }C\]
  A)
   \[C{{H}_{3}}-C{{H}_{2}}-N{{H}_{2}}\]
  done clear
  B)
   \[C{{H}_{3}}-CN\]
  done clear
  C)
   \[C{{H}_{3}}-C{{H}_{2}}-NH-C{{H}_{3}}\]
  done clear
  D)
   \[C{{H}_{3}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-N{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer72) \[{{C}_{2}}{{H}_{5}}OH+SOC{{l}_{2}}\xrightarrow{Pyridine}X+Y+Z,\]in this  reaction X, Y and Z respectively, are
  A)
   \[{{C}_{2}}{{H}_{4}}C{{l}_{2}},S{{O}_{2}},HCl\]
  done clear
  B)
   \[{{C}_{2}}{{H}_{5}}Cl,S{{O}_{2}},HCl\]
  done clear
  C)
   \[{{C}_{2}}{{H}_{5}}Cl,SOCl,HCl\]
  done clear
  D)
   \[{{C}_{2}}{{H}_{4}},S{{O}_{2}},C{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer73) The compound that reacts with O\[{{C}_{2}}{{H}_{4}},S{{O}_{2}},C{{l}_{2}}\] to yield methane as one of the products is
  A)
   \[C{{H}_{3}}CHO\]                         
  done clear
  B)
   \[C{{H}_{3}}COC{{H}_{3}}\]
  done clear
  C)
   \[C{{H}_{3}}COOC{{H}_{3}}\]    
  done clear
  D)
   \[C{{H}_{3}}C{{H}_{2}}OH\]
  done clear
  View Answer play_arrow

• question_answer74) Which of the following groups of organismsare ecologically similar?
  A)
   Producer protists and consumer protists
  done clear
  B)
   Monerans and producer protists
  done clear
  C)
   Consumer protists and fungi
  done clear
  D)
   Monerans and fungi
  done clear
  View Answer play_arrow

• question_answer75) Assertion (A) : In many gastropods, the anus and the mantle cavity are placed ante riorly above the head. Reason (R): During embryonic development in many gastropods one side of the visceral mass grows faster than the other side. This uneven growth rotates the visceral organs upto \[180{}^\circ \] in many gastropods. The correct answer is
  A)
   both (A) and (R) are true and (R)explains
  done clear
  B)
   both (A) and (R) are true but (R) cannot explain
  done clear
  C)
  only (A) is correct but (R) is wrong
  done clear
  D)
   both (A) and (R) are wrong
  done clear
  View Answer play_arrow

• question_answer76) Study the following

  (A) It is a terrestrial arthropod.

  (B) The prosoma bears a pair of chelicerae, apair of the pedipalps and four pairs of walking legs.

  (C) The metasoma ends in a telson.

  (D) First pair of walking legs are modified as poisonous claws.

  Which of the above are true for Heterometrus?
  A)
   A and C                               
  done clear
  B)
   A and B
  done clear
  C)
   A and D                              
  done clear
  D)
   C and D
  done clear
  View Answer play_arrow

• question_answer77) The   bilateria   member   that exhibits pentaradial symmetry is
  A)
   Neomenia                         
  done clear
  B)
   Nautilus
  done clear
  C)
   Neometra                         
  done clear
  D)
   Neopilina
  done clear
  View Answer play_arrow

• question_answer78) The proteins involved in the movement of chromosomes towards the poles during cell division are
  A)
   actin                                    
  done clear
  B)
   myosin
  done clear
  C)
   tubulin                                
  done clear
  D)
   elastin
  done clear
  View Answer play_arrow

• question_answer79) The animal in which the space between thegut and the body wall is filled with mesenchyme is
  A)
   Echinodiscus                    
  done clear
  B)
   Enterobius
  done clear
  C)
   Eunice                                 
  done clear
  D)
    Echinococcus
  done clear
  View Answer play_arrow

• question_answer80) Identify the type of flagellum in Monas, Urceolus and Polytoma in their sequential order from the following

  (A) The flagellum is srichonematic.

  (B) Two or more rows of lateral appendageson the axonemes.

  (C) The flagellum is pantacronematic.

  (D) Lateral appendages are absent and axoneme ends as naked axial filament.

  A)
   A, B, D                                 
  done clear
  B)
   A, C, D
  done clear
  C)
   B, A, C                                 
  done clear
  D)
   B, C, D
  done clear
  View Answer play_arrow

• question_answer81) Certain stages of Plasmodium vivax maysurvive  or a long period in the liver of man as dormant stages and on reactivation enter in to one of the following cycles
  A)
   erythrocyticschizogony
  done clear
  B)
   exoerythrocyticschizogony
  done clear
  C)
   cycle of Ross
  done clear
  D)
   gametogony
  done clear
  View Answer play_arrow

• question_answer82) Which one of the following abnormalities inthe host is associated to Wuchereria, Plasmodium and Fasciolarespectively?

  (A) Parasitic castration

  (B) Hyperplasia

  (C) Febrile paroxysm

  (D) Peritonitis

  (E) Lymphangitis

  The correct match is
  A)
   E, C and B                          
  done clear
  B)
   E, C and A
  done clear
  C)
   B, D and E                          
  done clear
  D)
   C, D and B
  done clear
  View Answer play_arrow

• question_answer83) From the following a monogenetic parasite is
  A)
   Taeniasolium
  done clear
  B)
   Ascaris
  done clear
  C)
   Fasciola hepatica
  done clear
  D)
   Plasmodium vivax
  done clear
  View Answer play_arrow

• question_answer84) Match the following lists

  List- I (Pheretima)	List- II (Cell features)
  A. Phagocytes	1. Small cells having yellowish granules
  B. Chloragogencells	2. Elongated cells
  C. Circular cells	3. Largest cells with membranous folds
  D. Mucocytes	4. Cells  with characteristic markings on the surface

  The correct set is
  A)
  A-3         B-4         C-1         D-2
  done clear
  B)
  A-2         B-1         C-4         D-3
  done clear
  C)
  A-4         B-3         C-2         D-1
  done clear
  D)
  A-3         B-1         C-4         D-2
  done clear
  View Answer play_arrow

• question_answer85) Study the following in Pheretima

  A. Dorso intestinal blood vessels

  B. External intestinal piexus

  C. Internal intestinal plexus

  D. Ventro intestinal blood vessel

  Arrange the blood vessels in correct sequenceof blood flow from ventral blood vessel todorsal blood vessel The correct sequence is
  A)
   \[D\to B\to A\to C\]     
  done clear
  B)
   \[C\to A\to B\to D\]
  done clear
  C)
  \[B\to C\to D\to A\]                      
  done clear
  D)
   \[D\to B\to C\to A\]
  done clear
  View Answer play_arrow

• question_answer86) Assertion (A) : Arthropoda are the most successful of all the known animal groups. Reason (R): Arthropoda exhibits the greatestadaptive radiation and have adapted todiverse habitats.
  A)
   both (A) and (R) are true and (R) explains
  done clear
  B)
   both (A) and (R) are true but (R) cannot explain
  done clear
  C)
   only (A) is correct but (R) is wrong
  done clear
  D)
   both (A) and (R) are wrong
  done clear
  View Answer play_arrow

• question_answer87) Assertion (A) : Super position images are formed in the nocturnal insects. Reason (R): The retinulae lie immediately below the vitrellae and crystalline cone, these are surrounded by retinal sheath, which absorb the light rays hence, and super position images are formed in nocturnal insects. The correct answer is
  A)
   both (A) and (R) are true and (R) explain
  done clear
  B)
   both (A) and (R) are true but (R) cannot explain
  done clear
  C)
   only (A) is correct but (R) is wrong
  done clear
  D)
   both (A) and (R) are wrong
  done clear
  View Answer play_arrow

• question_answer88) Match the following lists

  List- I	List- II
  A.  Pollen basket	Butterfly
  B.  Pseudotracheae	Lacciferlacca
  C.  Shellac	Mosquito
  D. Buttonsmembrane	Musca
  E.  Well-developed galea	Worker bee

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

• question_answer89) The larval stage of a harmful insect causing acavity like pathological condition in humansubcutaneous tissue is
  A)
   naiad
  done clear
  B)
   nymph
  done clear
  C)
   maggot                               
  done clear
  D)
   wriggler
  done clear
  View Answer play_arrow

• question_answer90) The average trophic efficiency of transfer of energy from one trophic level to the highertrophic level is called
  A)
   assimilation efficiency
  done clear
  B)
   exploitation efficiency
  done clear
  C)
   Lindermans trophic efficiency rule
  done clear
  D)
   gross primary production
  done clear
  View Answer play_arrow

• question_answer91) From the following fish, identify the one with a glomerular kidney?
  A)
   Sphyrna                                             
  done clear
  B)
   Tilapia
  done clear
  C)
   Cirrhinus                            
  done clear
  D)
   Exocoetus
  done clear
  View Answer play_arrow

• question_answer92) Wild-life conservation aims at

  (A) Maintaining the ecological process.

  (B) To enrich the wild-life diversity with exotic species.

  (C) Preventing migration of species.

  (D) Maintaining the diversity of life.

  The correct statements are
  A)
   A, B                      
  done clear
  B)
   B, C
  done clear
  C)
   C, D                      
  done clear
  D)
   A, D
  done clear
  View Answer play_arrow

• question_answer93) In mammals the secondary palate is formed by the union of
  A)
   premaxilla, pterygoid and squamosal bones
  done clear
  B)
   maxilla, quadrate and palatine bones
  done clear
  C)
   premaxilla, maxilla and palatine bones
  done clear
  D)
   premaxilla, quadrate and squamosal bones
  done clear
  View Answer play_arrow

• question_answer94) Which of the following are true to the prototherians?

  (A) Pectoral girdle is associated with T shaped interclavicle.

  (B) Mammary glands are modified as sebaceous glands.

  (C) Pelvic girdle possesses epipubic bones.

  (D) Vertebrae are with epiphyses.

  The correct statements are
  A)
   A and C                               
  done clear
  B)
   A and B
  done clear
  C)
   C and D                               
  done clear
  D)
   B and C
  done clear
  View Answer play_arrow

• question_answer95) Study the following table

  	Sub-class	Skull	Example
  A.	Anapsida	Anapsid	Hatteria
  B.	Ichthyopterigia	Synapsid	Pelycosaurus
  C.	Synaptosauria	Euryapsid	Plesiosaurus
  D.	Lepidosauria	Diapsid	Cotylosauria

  Which one of the above is correct combination?
  A)
   A                                           
  done clear
  B)
   B
  done clear
  C)
   C                                           
  done clear
  D)
   D
  done clear
  View Answer play_arrow

• question_answer96) Study the following features of a fish

  (A) It is a crossopterygian fish.

  (B) It is found in the river Chalumnae.

  (C) It does not exhibit aestivation.

  (D) It is an urecotelic animal.

  Which of the above are true to "Neoceratodus"
  A)
   A and B                               
  done clear
  B)
   B and D
  done clear
  C)
   A and C                               
  done clear
  D)
   A and D
  done clear
  View Answer play_arrow

• question_answer97) The macromineral essential for the formation of insulin is
  A)
   magnesium                      
  done clear
  B)
   chlorine
  done clear
  C)
   sulphur                               
  done clear
  D)
   iodine
  done clear
  View Answer play_arrow

• question_answer98) In rabbit, the two fibro-elastic strands of the larynx extend between the
  A)
   thyroid and arytenoid cartilages
  done clear
  B)
   thyroid and cricoid cartilages
  done clear
  C)
   santorini and thyroid cartilages
  done clear
  D)
   cricoid and tracheal cartilaginous rings
  done clear
  View Answer play_arrow

• question_answer99) The artery, which supplies blood to the pericardium is
  A)
   brachial artery
  done clear
  B)
   coronary artery
  done clear
  C)
   vertebral artery
  done clear
  D)
   internal mammary artery
  done clear
  View Answer play_arrow

• question_answer100) Read the statements.

  (A) Preganglionic nerve fibres of III, VII, IX and X cranial nerves are a part of the parasympathetic nervous system.

  (B) V, VII, IX and X cranial nerves are mixed nerves.

  (C) Trochlear nerves are the largest cranial nerves.

  (D) Abducens nerves are motor and originate from the gasserian ganglia.

  Which of the above statements are correct?
  A)
   A and D                              
  done clear
  B)
   A and B
  done clear
  C)
   B and C                               
  done clear
  D)
   A and C
  done clear
  View Answer play_arrow

• question_answer101) 

  	Endocrine gland	Hormone	Deficiency disorder
  A.	Neurohy- pophysis	Vasopressin	Diabetes in sipidus
  B.	Adrenal cortex	Corticosteroids	Addisons disease
  C.	Parathyroid glands	Parathormone	Myxoedema
  D.	Thyroid gland	Calcitonin	Acromegaly

  The correct set is
  A)
   B and C                               
  done clear
  B)
   A and B
  done clear
  C)
   C and D                               
  done clear
  D)
   A and D
  done clear
  View Answer play_arrow

• question_answer102) The renal fluid isotonic to the cortical fluid and blood is found in
  A)
   the collecting duct and ascending limb
  done clear
  B)
   the distal convoluted tubule and ascending  limb
  done clear
  C)
   the proximal convoluted tubule and distal   convoluted tubule
  done clear
  D)
   the ascending limb and descending limb
  done clear
  View Answer play_arrow

• question_answer103) Study the following

  (A) The accumulation of pyruvic acid in die muscle causes fatigue.

  (B) ATP is resynthesized in the muscle by the phosphorylation   of   ADP   by   a phosphogen.

  (C) Cori and Cori cycle occurs in the muscles,

  (D) The phosphogen in the vertebrate muscle is arginine phosphate.

  The correct set of answers for muscle contraction is
  A)
   A and D                              
  done clear
  B)
   B and D
  done clear
  C)
   C and D                               
  done clear
  D)
   B and C
  done clear
  View Answer play_arrow

• question_answer104) Study the following

  (A) Testosterone   influences   the   male secondary sexual characters.

  (B) Gestation   period   in   rabbit   is approximately 276 days.

  (C) Bulbourethral glands secrete a vaginal lubricant.

  (D) Placenta secretes estrogen.

  The correct answer is
  A)
   A and D                              
  done clear
  B)
   B and C
  done clear
  C)
   C and D                               
  done clear
  D)
   A and B
  done clear
  View Answer play_arrow

• question_answer105) In guinea pigs black short hair (BBSS) is dominant over white long hair (bbss). During a dihybrid cross, the F2 generation individuals with genotypes, BBSS, BbSS, BBSs and BbSs are in the ratio of
  A)
   9: 3: 3: 1                              
  done clear
  B)
   4: 2: 1: 2
  done clear
  C)
   1: 2: 1: 2                              
  done clear
  D)
   1: 2: 2: 4
  done clear
  View Answer play_arrow

• question_answer106) In heterozygous condition, the individual expression of both the alleles in the phenotype is exemplified by
  A)
   Colourblindness                             
  done clear
  B)
   AB blood group
  done clear
  C)
   Rh factor                            
  done clear
  D)
   A and B blood group
  done clear
  View Answer play_arrow

• question_answer107) Crossing of unrelated pure breeding animals of different traits within the same breed is called
  A)
   cross breeding
  done clear
  B)
   out crossing
  done clear
  C)
   close breeding
  done clear
  D)
   species hybridization
  done clear
  View Answer play_arrow

• question_answer108) The strand of DNA acting as template for mRNA transcription is

  A. Coding strand

  B. Non-coding strand

  C. Sense strand

  D. Anti-sense strand

  The correct answer is
  A)
   A and C                               
  done clear
  B)
   A and D
  done clear
  C)
   B and D                               
  done clear
  D)
   B and C
  done clear
  View Answer play_arrow

• question_answer109) The peculiar primitive animals found in Madagascar but absent in Africa are
  A)
   elephants                          
  done clear
  B)
   penguins
  done clear
  C)
   lemurs                                
  done clear
  D)
   echidnas
  done clear
  View Answer play_arrow

• question_answer110) "A brief reduction in size of a population due to natural calamities usually leads to random genetic drift." For this statement, identify the correct example from the following
  A)
   human population of Pitcaim Island
  done clear
  B)
   polydactylic dwarfs in Amish population
  done clear
  C)
   long necked giraffe
  done clear
  D)
   industrial melanism
  done clear
  View Answer play_arrow

• question_answer111) Study the following

  (A) The cells of malignant tumours divide        erratically.

  (B) They are malignant tumours of epithelial cells.

  (C) They are malignant tumours of organs that originate from mesoderm.

  (D) These tumours are found in organs such as spleen and lymph nodes.

  Which of the above are true for angio-sarcoma?
  A)
   A and B                               
  done clear
  B)
   B and D
  done clear
  C)
   A and C                               
  done clear
  D)
   B and C
  done clear
  View Answer play_arrow

• question_answer112) Study the following pathogens

  A. Yersinia pestis

  B. Borrelia sp.

  C. Sodium albicans

  D. Micro bacterium leprae

  E. Haemophilus gallinarium

  Which of the above cause damage to poultry industry?
  A)
   A and D                              
  done clear
  B)
   C and E
  done clear
  C)
   B and E                               
  done clear
  D)
   D and E
  done clear
  View Answer play_arrow

• question_answer113) The complexes formed during immune complex mediated hypersensitivity are removed by
  A)
   eosinophils and TC cells
  done clear
  B)
   monocytes and B-lymphocytes
  done clear
  C)
   eosinophils and monocytes
  done clear
  D)
   eosinophils and basophils
  done clear
  View Answer play_arrow

• question_answer114) Identify the scientists worked extensively on chlorophyllous and non-chlorophyllous   thallophytes, respectively

  i. lyengar

  ii. Swaminathan

  iii. Mehta

  iv. Maheshwari

  A)
   i, iv                                       
  done clear
  B)
   i, iii
  done clear
  C)
   ii, iii                                       
  done clear
  D)
   iii, iv
  done clear
  View Answer play_arrow

• question_answer115) Study the following lists.

  List- I	List- II
  Training in landscaping	1.BSI
  Establish of mythological herbarium	2.CIMAP
  Research on paper pulp	3. FRI
  Introduction of Salvia into India	4. NBRI

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

• question_answer116) Which of the following two are the resultant of stipule modifications

  i.    Spines in Ziziphus

  ii.   Tendrils in Smilax

  iii.  Tendrils in Nepenthes

  iv.  Spines in Argemone

  v.   Thorns in Bougainvillea

  A)
    i, iii                                       
  done clear
  B)
    i, ii
  done clear
  C)
    ii,v                                       
  done clear
  D)
    iii,v
  done clear
  View Answer play_arrow

• question_answer117) Which one of the following conditions is seen in the roots of a plant having submerged assimilatory roots and spongy petioles?
  A)
   Triarch                                
  done clear
  B)
   Monarch
  done clear
  C)
   Tetrarch                             
  done clear
  D)
   Diarch
  done clear
  View Answer play_arrow

• question_answer118) Identify a pair of the following plants, which show modification of axillary buds into stendrils and hooks respectively

  i.    Hugonia

  ii.   Duranta

  iii.  Passiflora

  iv.  Dioscorea

  A)
   i, ii                                         
  done clear
  B)
   ii, iii
  done clear
  C)
   iii, i                                        
  done clear
  D)
   iv, i
  done clear
  View Answer play_arrow

• question_answer119) Study the following table.

  i. ii. iii.

  False whorl like in florescene Single flower like Fruit- like infl- orescene

  Many sessile bisexual flowers Many stalked staminate and pistillate flowers Many sessile staminate flowers on the top and pistillate flowers at the base and sterile flowers in between

  Leonotis Poinsettia Colocacia

                  The correct pair is
  A)
    i, iii                                       
  done clear
  B)
    i, iv
  done clear
  C)
    ii, iii                                      
  done clear
  D)
    ii, iv
  done clear
  View Answer play_arrow

• question_answer120) Read the following lists

  List-I	List-II
  Gall flowers	Theobroma
  Sympodial axis	Bougainvillea
  Achlamydeous	Ficus
  Cauliiflory	Euphorbia
  	Hemelia

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

• question_answer121) In the flowers of a plant, the ovarian part is fused, but styles and stigmas are free. Its ovary becomes unilocular due to breakdown of partition wall and the ovules are attached to a central axis. Identify the plant.
  A)
   Dianthus                            
  done clear
  B)
   Abutilon
  done clear
  C)
   Nymphaea        
  done clear
  D)
   Michelia
  done clear
  View Answer play_arrow

• question_answer122) Arrange the following fruits in descending  order based on the number of locules in the ovary from which it develops

  i.   Carcerulus

  ii.  Schizocarp

  iii. Cremocarp

  iv. Regma

  A)
   ii, i, iv, iii        
  done clear
  B)
   i, iv, iii, ii
  done clear
  C)
   ii, iv, iii, i              
  done clear
  D)
   ii, iii, i, iv
  done clear
  View Answer play_arrow

• question_answer123) Identify the characters with reference to the plant in which eight nucleated embryo sac was first studied by Strasburger.

  i. Micropyle, chalaza and funiculus are arranged in the same vertical line in the ovule

  ii. Presence of both unisexual and bisexual flowers in the same plant

  iii. Filiform apparatus helps in conduction of food materials from endosperm to egg apparatus

  iv. Long funiculus coils like a watch spring around the ovule

  A)
   i, iv                                       
  done clear
  B)
   ii, iii
  done clear
  C)
   i, ii                                         
  done clear
  D)
   iii, iv
  done clear
  View Answer play_arrow

• question_answer124) From the following identify the two correct statements with reference to meiosis

  i. Bead like structures are absent on chromosomes

  ii. Displacement of chiasmata occurs in diakinesis

  iii. Separation of two basic sets  of chromosomes

  iv.     No division of centromere

  A)
    ii, iii                                      
  done clear
  B)
   ii, iv
  done clear
  C)
    iii, iv                                    
  done clear
  D)
   i, iii
  done clear
  View Answer play_arrow

• question_answer125) In a DNA segment having six coils, there are 22 nitrogen base pairs linked by two hydrogen bonds. How many cytosine bases are found in that segment
  A)
   22                                         
  done clear
  B)
   38
  done clear
  C)
   44                                         
  done clear
  D)
   76
  done clear
  View Answer play_arrow

• question_answer126) G H Shull observed inbreeding depression in a plant. Miller and Letham isolated a hormone from the immature seeds of that plant. Which of the following character is not associated with that plant?
  A)
    Atactostelic condition in stem
  done clear
  B)
    Bundle sheath in leaf
  done clear
  C)
    Chromosomal number of endospermous cell is 30
  done clear
  D)
   Medulla absent in the root
  done clear
  View Answer play_arrow

• question_answer127) Read the following lists.

  List -I	List -II
  Extra foliar nectarines	Achras
  Schizogenous cavities	Tropaeoleum
  Laticiferous ducts	Passiflora
  Hydathodes	Eucalyptus
  	Pinus

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

• question_answer128) The tracheophyte characterized by habitual heterophylly, absence of companion cells in phloem and presence of vessels in the xylem is
  A)
   Drimys                                                
  done clear
  B)
   Pteris
  done clear
  C)
    Selaginella                        
  done clear
  D)
   Gnetu
  done clear
  View Answer play_arrow

• question_answer129) Study the following lists

  List-I                                  List-II
  (A) Arachis	Basket making
  (B) Mangifera	Saky
  (C) Cajanus	Fixed oil
  (d) Oryza	Diuretic
  	Nitrocellulose

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

• question_answer130) Study the following related to uses of plants and identify the correct match for Sorghum and cotton respectively

  i.   Blood purification and organic fertilizer.

  ii.  Animal feed and paper industry.

  iii. Vitamin B and cosmetics.

  iv. Explosives and organic fertilizer.

  A)
   i, ii                                         
  done clear
  B)
   ii, iii
  done clear
  C)
   iii, iv                                     
  done clear
  D)
   ii, iv
  done clear
  View Answer play_arrow

• question_answer131) Which one of the following formed in Spirogyra is different based on its nucleus?
  A)
   Zygospore         
  done clear
  B)
   Azygospore
  done clear
  C)
   Aplanospore    
  done clear
  D)
   Akinete
  done clear
  View Answer play_arrow

• question_answer132) Assertion (A) : The life cycle in Funaria is called diplohaplontic. Reason (R) : In Funaria, there is alternation of haploid gametophytic and diploid sporophytic phases, one becoming parent to the other. The correct answer is
  A)
  Both (A) and (R) are true and (R) is the correct explanation of
  done clear
  B)
    Both (A) and (R) are true but (R) is not the correct explanation of
  done clear
  C)
   (A)  is true but (R) is false
  done clear
  D)
    (A) is false but (R) is true
  done clear
  View Answer play_arrow

• question_answer133) Read the following lists. The correct match is

  List -I	List -II
  Exarch	Rhizome of Pteris
  Endarch	Roots of Pteris
  Mesarch	Pinnule of Cycas
  Pseudomesarch	Primary stem of Pteris

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

• question_answer134) Study the following lists

  List -I	List -II
  M13 bacteriophage	ds RNA
  Rice dwarf virus	ss RNA
  Cauliflower mosaic virus	ss DNA
  Polio virus	ds DNA

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

• question_answer135) Assign the following substances to the cell wall, flagella, s layer and pili of bacteria in correct sequence

  i. Glycoprotein

  ii. Fimbrilin

  iii. Teichoic acid

  iv. Flagellin

  The correct sequence is
  A)
   iii, i, iv, ii                              
  done clear
  B)
   iii, Iv, i, ii
  done clear
  C)
   ii, iv, iii, i                              
  done clear
  D)
   iii, iv, ii, i
  done clear
  View Answer play_arrow

• question_answer136) Identify the fungus,  which  produces chlamydospores from dikaryotic mycelium
  A)
   Sphecelotheca sorghii
  done clear
  B)
   Rhizopus stolonifer
  done clear
  C)
   Pyricularia oryzae
  done clear
  D)
   Colletotrichum falcatum
  done clear
  View Answer play_arrow

• question_answer137) Study the following lists.

  List -I	List -II
  Blast disease of rice	Dikaryotic mycelium
  Citrus canker	Single celled conidiophores
  Grain smut of Sorghum	Gram- positive bacteria
  Intergeneric hybridization	L J Staddler
  	G H Shull

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

• question_answer138) Identify three of the following plants, which exhibit the physiological process described as Necessary Evil

  i. Potamogeion

  ii. Sagittaria

  iii. Limnophila

  iv. Nymphaea

  The correct match is
  A)
   i, ii, iii                                   
  done clear
  B)
   ii, iii, iv
  done clear
  C)
   i, ii, iv                                   
  done clear
  D)
   i, iii, iv
  done clear
  View Answer play_arrow

• question_answer139) Study the following table

  i.  Peperomia Leaf succulent Leaf epidermal cells   store water

  ii. Calotropis  Non-succulent Root    cells with thickened cell walls

  iii. Tribulus    Ephemeral   Stem stores water

  iv. Ammophila   Dicot plant   Rolling in of leaves to check water loss

  Identify the correct pair of answers.
  A)
   i, ii                                         
  done clear
  B)
   i, iii
  done clear
  C)
   ii, iii                                       
  done clear
  D)
   ii, iv
  done clear
  View Answer play_arrow

• question_answer140) Study the following lists.

  List -I	List -II
  Mutation breeding	WL Johannsen
  Inbreeding depression	Karpechenko
  Pureline selection	Charles Darwin
  Intergeneric hybridization	L J Staddler
  	G H Shull

  The correct match is
  A)
                  A-4         B-2         C-5         D-1
  done clear
  B)
                  A-4         B-5         C-2         D-1
  done clear
  C)
                  A-4         B-5         C-1         D-2
  done clear
  D)
                  A-5         B-4         C-1         D-2
  done clear
  View Answer play_arrow

• question_answer141) Assertion (A) : Citrullus vulgaris is produced from a cross between 4n male and 2n female plants. Reason (R) : These triploid sterile plants do not bear seeds. The correct answer is
  A)
  Both (A) and (R) are true and (R) is the correct explanation of
  done clear
  B)
   Both (A) and (R) are true, but (R) is not the correct explanation of
  done clear
  C)
   (A) is true, but (R) is false
  done clear
  D)
   (A) is false, but (R) is true
  done clear
  View Answer play_arrow

• question_answer142) Study the following table showing the components of water potential in closely arranged mesophyll cells namely A, B and C.

  Cell	Osmotic potential (MPs)	Osmotic potential (MPa)
  A	-0.21	0.05
  B	-0.22	0.02
  C	-0.23	0.05

  Identify two of the following which show correct direction of water movement between two cells. i.   \[~A\to B\]                    ii.  \[B\to C\] iii.\[~C\to A\]                     iv. \[C\to B\] The correct pair is
  A)
   i, ii                                         
  done clear
  B)
   ii, iii
  done clear
  C)
   i, iv                                       
  done clear
  D)
   ii, iv
  done clear
  View Answer play_arrow

• question_answer143) In photoactive plants, during day time the following ionic flux of guard cell is directly  involves the expenditure of energy
  A)
    outward movement of malate
  done clear
  B)
    inward movement of potassium ions
  done clear
  C)
    outward movement of protons
  done clear
  D)
    inward movement of chloride
  done clear
  View Answer play_arrow

• question_answer144) Assertion (A) : Salt resistant plants survive in saline habitats by maintaining low internal \[N{{a}^{+}}\]levels. Reason (R): Salt resistant plants getrid off excess \[N{{a}^{+}}\] by ATP energized antiporter. The correct answer is
  A)
   Both (A) and (R) are true and (R) is the correct explanation of
  done clear
  B)
   Both (A) and (R) are true, but (R) is not the correct explanation of
  done clear
  C)
  (A)  is true, but (R) is false
  done clear
  D)
  (A)  is false, but (R) is true
  done clear
  View Answer play_arrow

• question_answer145) The net requirement of assimilatory power for the formation of 6 hexose molecules in maize plant is
  A)
   72 ATP, 48 NADPH         
  done clear
  B)
   90 ATP, 60 NADPH
  done clear
  C)
   108 ATP, 72 NADPH
  done clear
  D)
   180 ATP, 72 NADPH
  done clear
  View Answer play_arrow

• question_answer146) The reaction which is catalyzed by a protein that is not found in the matrix of mitochondria is
  A)
   conversion of pyruvic acid to acetyl Coenzyme-A
  done clear
  B)
   oxidative decarboxylation of aketoglutaric acid
  done clear
  C)
    oxidation of succinic acid
  done clear
  D)
    cleavage of succinyl Coenzyme-A
  done clear
  View Answer play_arrow

• question_answer147) Identify the triplet codons, which code for the amino caids serine and proline

  i.    UCC

  ii.  CCA

  iii.  AAG

  iv. GGG

  A)
   i, iii                                        
  done clear
  B)
   ii, iv
  done clear
  C)
   iii, iv                                     
  done clear
  D)
   i, ii
  done clear
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• question_answer148) Identify two of the following phytohormones, which regulate the stomatal movements

  i.    IAA

  ii.  GA3

  iii.  Zeatin

  iv. ABA

  A)
   i, iii                                        
  done clear
  B)
   ii, iii
  done clear
  C)
   iii, iv                                     
  done clear
  D)
   ii, iv
  done clear
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• question_answer149) Identify the pair of physiological effects of two phytohormones which are synthesized from different amino acids.

  i.   Formation of perennating buds in Lemna.

  ii.  Simultaneous flowering in pineapple.

  iii. Bolting in cabbage.

  iv. Apical dominance in Polyalthia.

  The correct pair is
  A)
   ii, iv                                      
  done clear
  B)
   i, iv
  done clear
  C)
   ii, iii                                       
  done clear
  D)
   i, ii
  done clear
  View Answer play_arrow

• question_answer150) Identify the plants in correct sequence, which exhibit   marcescent   calyx,   herkogamy, mucilagenous cavities and inferior ovary respectively.

  i. Sphaeranthus

  ii. Capsicum

  iii. Gloriosa

  iv. Kydia

  The correct sequence is
  A)
   i, iii, ii, iv                              
  done clear
  B)
   ii, i, iii, iv
  done clear
  C)
   ii, iii, i, iv              
  done clear
  D)
   ii, iii, iv, i
  done clear
  View Answer play_arrow

• question_answer151) In an inflorescence, two types of small, sessile flowers were observed. They are arranged in centripetal manner and have reduced hair like sepals. Which pair of the following characters are not associated with such flowers?

  i.   Nectar glands at the base of the corolla

  ii.  Axile placentation

  iii. Superior ovary

  iv. Scaly bracts

  The correct pair is
  A)
   ii, iii                                       
  done clear
  B)
   iii, iv
  done clear
  C)
   i, ii                                         
  done clear
  D)
   i, iv
  done clear
  View Answer play_arrow

• question_answer152) Study the following lists.

  List-I	List-II
  Atrachis	Swollen placenta
  Cichorium	Epicalyx
  Lilium	Fasciculate tuberous roots
  D.    Physalis	Geocarpy
  	Bulbils

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

• question_answer153) Which one shows the correct descending sequence with reference to the number of cohorts?
  A)
   Thalamiflorae , Calyciflorae , Disciflorae , Inferae
  done clear
  B)
    heteromerae ,    Inferae ,    Disciflorae , Calyciflorae
  done clear
  C)
      Bicarpellatae , Disciflorae , Heteromerae Calyciflorae
  done clear
  D)
   Disciflorae, Thalamiflorae, Calyciflorae, Heteromerae
  done clear
  View Answer play_arrow