Solved papers for EAMCET Medical EAMCET Medical Solved Paper-2007

done EAMCET Medical Solved Paper-2007 Total Questions - 160

  • question_answer1) If force (F), work (W) and velocity (v) are taken as fundamental quantities, then the dimensional formula of time (T) is

    A)
    \[[WFv]\]                           

    B)
     \[[WF{{v}^{-1}}]\]

    C)
     \[[{{W}^{-1}}{{F}^{-1}}v]\]                         

    D)
     \[[W{{F}^{-1}}{{V}^{-1}}]\]

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  • question_answer2) Given two vectors \[A\to =-\widehat{i}+2\widehat{j}-3\widehat{k}\] and \[B\to =4\widehat{i}+2\widehat{j}-6\widehat{k}.\]. The angle made by \[(A\to +B\to )\] with x-axis is

    A)
     \[30{}^\circ \]                                  

    B)
    \[45{}^\circ \]

    C)
    \[60{}^\circ \]                                   

    D)
    \[90{}^\circ \]

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  • question_answer3) A body is thrown vertically up with certain initial velocity. The potential and kinetic energies of the body are equal at a point P in its path. If the same body is thrown with double the velocity upwards, the ratio of potential and kinetic energies of the body when it crosses the same point, is

    A)
     1 : 1                                      

    B)
     1 : 4

    C)
     1 : 7                                      

    D)
     1 : 8

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  • question_answer4) A body of mass 2 kg is thrown up vertically with kinetic energy of 490 J. If \[g=9.8\text{ }m/{{s}^{2}},\]the height at which the kinetic energy of the body becomes half of the original value, is

    A)
     50 m                                    

    B)
     25 m

    C)
     12.5 m                                 

    D)
     19.6 m

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  • question_answer5) The apparent weight of a person inside a lift is w1 when lift moves up with a certain acceleration and is w2 when lift moves down with same acceleration. The weight of the person when lift moves up with constant speed is

    A)
     \[\frac{{{w}_{1}}+{{w}_{2}}}{2}\]                            

    B)
     \[\frac{{{w}_{1}}-{{w}_{2}}}{2}\]

    C)
     \[2{{w}_{1}}\]                                  

    D)
     \[2{{w}_{2}}\]

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  • question_answer6) In the figure, pendulum bob on left side is pulled aside to a height h from its initial position. After it is released it collides with the right pendulum bob at rest, which is of same mass. After the collision the two bobs stick together and raise to a height

    A)
     \[\frac{3h}{4}\]                                               

    B)
     \[\frac{2h}{3}\]

    C)
      \[\frac{h}{2}\]                                

    D)
      \[\frac{h}{4}\]

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  • question_answer7) A sphere of mass m moving with constant velocity\[\mu \], collides with another stationary sphere of same mass. If e is the coefficient of restitution, the ratio of the final velocities of the first and second spheres is

    A)
     \[\frac{1+e}{1-e}\]                                        

    B)
     \[\frac{1-e}{1+e}\]

    C)
      \[\frac{e}{1-e}\]                            

    D)
     \[\frac{1+e}{e}\]

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  • question_answer8) A block of mass 2 kg is placed on the surface of a trolley of mass 20 kg which is on a smooth surface. The coefficient of friction between the block and the surface of the trolley is 0.25. If a horizontal force of 2 N acts on the block, the acceleration of the system in \[m{{s}^{-2}}\]is \[(g=10m{{s}^{-2}})\]

    A)
     1.8                                        

    B)
     1.0

    C)
     0.9                                        

    D)
     0.09

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  • question_answer9) The radius of gyration of a rod of length L and mass M about an axis perpendicular to its length and passing through a point at a distance L/3 from one of its ends is

    A)
     \[\frac{\sqrt{7}}{6}L\]                                  

    B)
     \[\frac{{{L}^{2}}}{9}\]

    C)
      \[\frac{L}{3}\]                                 

    D)
      \[\frac{\sqrt{5}}{2}L\]

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  • question_answer10) A ball of mass 0.6 kg attached to a light inextensible string rotates in a vertical circle of radius 0.75 m such that it has a speed of \[5\text{ }m{{s}^{-1}}\] when the string is horizontal. Tension in string when it h horizontal on other side is \[(g=10m{{s}^{-}}2)\]

    A)
     30 N                                     

    B)
     26 N

    C)
     20 N                                     

    D)
     6 N

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  • question_answer11) A body of mass m is raised from the surface of the earth to a height nR (R = radius of earth). Magnitude of the change in the gravitational potential energy of the body is (g = acceleration due to gravity on the surface of earth)

    A)
     \[\left( \frac{n}{n+1} \right)mgR\]                         

    B)
     \[\left( \frac{n-1}{n} \right)mgR\]

    C)
     \[\left( \frac{mgR}{n} \right)\]                                 

    D)
     \[\frac{mgR}{(n-1)}\]

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  • question_answer12) The displacement of a particle of mass 3 g executing simple harmonic motion is given by Y = 3 sin (0.2t) in SI units. The kinetic energy of the particle at a point which is at a distance equal to - of its amplitude from its mean position is

    A)
    \[12\times {{10}^{3}}J\]                               

    B)
     \[25\times {{10}^{-3}}J\]

    C)
    \[0.48\times {{10}^{-3}}J\]                          

    D)
     \[0.24\times {{10}^{-3}}J\]

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  • question_answer13) A body subjected to strain several times will not obey Hookes law due to

    A)
     yield point                         

    B)
     permanent state

    C)
     elastic fatigue                                  

    D)
     breaking stress

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  • question_answer14) A liquid drop of radius R breaks into 64 tiny drops each of radius r. If the surface tension of the liquid is T, then the gain in energy is

    A)
     \[48\,\pi {{R}^{2}}T\]                                    

    B)
     \[12\,\pi {{r}^{2}}T\]

    C)
     \[96\pi {{R}^{2}}T\]                                       

    D)
     \[192\pi {{r}^{2}}T\]

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  • question_answer15) The pressure on the top surface of an aeroplane wing is \[0.8\times 105\] Pa and the pressure on the bottom surface is \[0.75\times 10s\] Pa. If the area of each surface is 50 m2, the dynamic lift on the wing is

    A)
    \[25\times {{10}^{4}}N\]                              

    B)
     \[0.5\times {{10}^{4}}N\]

    C)
    \[5\times {{10}^{4}}N\]                                

    D)
     \[0.25\times {{10}^{5}}N\]

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  • question_answer16) Two rods of different materials with coefficients of linear thermal expansion \[{{\alpha }_{1}},{{\alpha }_{2}}\] and Youngs moduli Y1 and Y2 respectively are fixed between two rigid walls. They are heated to have the same increase in temperature. If the rods do not bend and if 0.1 : a: = 2: 3, then the thermal stresses developed in the two rods will be equal when \[{{Y}_{1}}:{{Y}_{2}}\]is equal to

    A)
     2 : 3                                      

    B)
     2 : 5

    C)
      3 : 2                                     

    D)
     5 : 2

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  • question_answer17) What fraction of the volume of a glass flask must be filled with mercury so that the volume of the empty space may be the same at all temperatures? \[(~=9\times {{10}^{-6}}/{}^\circ C,{{\gamma }_{Hg}}=18.9\times {{10}^{-5}}/{}^\circ C)\]

    A)
     \[\frac{1}{2}\]                                  

    B)
     \[\frac{1}{7}\]

    C)
     \[\frac{1}{4}\]                                  

    D)
     \[\frac{1}{5}\]

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  • question_answer18) For an adiabatic process, the relation between V and T is given by

    A)
     \[T{{V}^{\gamma }}\] = constant                            

    B)
     \[{{T}^{\gamma }}V\] = constant

    C)
     \[T{{V}^{1-\gamma }}\] = constant                        

    D)
     \[T{{V}^{\gamma -1}}\] = constant

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  • question_answer19) Consider the following two statements and choose the correct answer. (A) If heat is added to a system its temperature must always increase. (B) If positive work is done by a system in thermodynamic process, its volume must increase.

    A)
     Both (A) and (B) are correct

    B)
     (A) is correct, but (B) is wrong

    C)
     (B) is correct, but (A) is wrong

    D)
     Both (A) and (B) are wrong

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  • question_answer20) The power of a black body at temperature 200 K is 544 W. Its surface area is \[(=5.67\times {{10}^{-8}}W{{m}^{-2}}{{K}^{-4}})\]

    A)
    \[6\times {{10}^{-2}}{{m}^{2}}\]                               

    B)
     \[6\text{ }{{m}^{2}}\]

    C)
    \[6\times {{10}^{-6}}{{m}^{2}}\]                               

    D)
     \[6\times {{10}^{2}}{{m}^{2}}\]

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  • question_answer21) A uniform wire of linear density \[0.004\text{ }kg-{{m}^{-1}}\] when stretched between two rigid supports with a tension \[3.6\times {{10}^{2}}N,\] resonates with a frequency of 420 Hz. The next harmonic frequency with which the wire resonates is 490 Hz. The length of the wire in metres is

    A)
     1.41                                      

    B)
     2.14

    C)
     2.41                                      

    D)
     3.14

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  • question_answer22) To increase the frequency by 20%, the tension in the string vibrating on a sonometer has to be increased by

    A)
     44%                                      

    B)
     33%

    C)
     22%                                      

    D)
     11%

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  • question_answer23) In Ramsden eyepiece the focal length of each lens is F. The distance of the image formed by the objective lens from the eye lens is

    A)
     \[\frac{14\,F}{15}\]                                       

    B)
     \[\frac{13\,F}{14}\]

    C)
     \[\frac{12\,F}{13}\]                                       

    D)
     \[\frac{11\,F}{12}\]

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  • question_answer24) The velocities of light in two different mediums are \[2\times {{10}^{8}}m{{s}^{-1}}\] and \[2.5\times {{10}^{8}}m{{s}^{-1}}\] respectively. The critical angle for these mediums is

    A)
     \[{{\sin }^{-1}}\left( \frac{1}{5} \right)\]                               

    B)
     \[{{\sin }^{-1}}\left( \frac{4}{5} \right)\]

    C)
     \[{{\sin }^{-1}}\left( \frac{1}{2} \right)\]                               

    D)
     \[{{\sin }^{-1}}\left( \frac{1}{4} \right)\]

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  • question_answer25) A diverging meniscus lens of 1.5 refractive index has concave surfaces of radii 3 and 4 cm. The position of the image, if an object is placed 12 cm in front of the lens, is

    A)
     7 cm                                     

    B)
     - 8 cm

    C)
     9 cm                                     

    D)
     10 cm

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  • question_answer26) The source is at some distance from an obstacle. Distance between obstacle and the point of observation is b and wavelength of light is \[\lambda \]. Then the average distance of nth Fresnel zone will be at a distance ... from the point of observation.

    A)
     \[\frac{bn\,\lambda }{2}\]                                         

    B)
     \[b-\frac{n\,\lambda }{2}\]

    C)
     \[b+\frac{n\,\lambda }{2}\]                                       

    D)
     \[b-n\lambda \]

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  • question_answer27) A bar magnet suspended freely in a uniform magnetic field is vibrating with a time period of 3 s. If the field strength is increased to 4 times of the earlier field strength, the time period will be (in seconds)

    A)
     12                                         

    B)
     6

    C)
     1.5                                        

    D)
     0.75

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  • question_answer28) A bar magnet of magnetic moment \[{{M}_{1}}\]is axially cut into two equal parts. If these two pieces are arranged perpendicular to each other, the resultant magnetic moment is \[{{M}_{2}}.\]Then the value of \[{{M}_{1}}/{{M}_{2}}\]is

    A)
     \[\frac{1}{2\sqrt{2}}\]                                  

    B)
     \[1\]

    C)
     \[\frac{1}{\sqrt{2}}\]                                    

    D)
     \[\sqrt{2}\]

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  • question_answer29) The equivalent capacity between the points X and V in the circuit with C = 1 \[\mu \]F is

    A)
     2\[\mu \]F                                        

    B)
     3\[\mu \]F

    C)
      1\[\mu \]F                                       

    D)
     0.5 \[\mu \]F

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  • question_answer30) Three charges 1 \[\mu \]C, 1 \[\mu \]C and 2 \[\mu \]C sire kept at the vertices A, B and C of an equilateral triangle ABC of 10 cm side, respectively. The resultant force on the charge at C is

    A)
     0.9 N                                    

    B)
     1.8 N

    C)
     2.72 N                                 

    D)
     3.6 N

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  • question_answer31) Two unknown resistances X and Y are connected to left and right gaps of a metre bridge and the balancing point is obtained at 80 cm from left. When a 10\[\Omega \] resistance is connected in parallel to X the balancing point is 50 cm from left. The values of X and Y respectively are

    A)
     40\[\Omega \], 90\[\Omega \]                                

    B)
     30\[\Omega \], 7.5\[\Omega \]

    C)
     20\[\Omega \], 6\[\Omega \]                                   

    D)
     10\[\Omega \], 3\[\Omega \]

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  • question_answer32) The current in a circuit containing a battery connected to 2\[\Omega \] resistance is 0.9 A. When a resistance of 7\[\Omega \] is connected to the same battery, the current observed in the circuit is 0.3 A. Then the internal resistance of the battery is

    A)
     0.1\[\Omega \]                               

    B)
     0.5\[\Omega \]

    C)
     1\[\Omega \]                                   

    D)
     zero

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  • question_answer33) In a thermo-couple the cold junction is at \[30{}^\circ C\]. The temperature of inversion is found to be \[540{}^\circ C\]. then the neutral temperature is

    A)
     \[270{}^\circ C\]                             

    B)
     \[510{}^\circ C\]

    C)
    \[285{}^\circ C\]                              

    D)

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  • question_answer34) The emf induced in a secondary coil is 20000 V when the current breaks in the primary coil. The mutual inductance is 5H and the current reaches to zero in \[{{10}^{-4}}s\]in the primary. The maximum current in the primary before it breaks is

    A)
     0.1 A                                    

    B)
     0.4 A

    C)
      0.6 A                                   

    D)
     0.8 A

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  • question_answer35) Two coils are wound on the same iron rod so that the flux generated by one passes through the other. The primary coil has Np turns in it and when a current 2A flows through it the flux in it is \[2.5\times {{10}^{-4}}Wb.\] If the secondary coil has 12 turns the mutual inductance of the coils is (assume the secondary coil is in open circuit)

    A)
    \[10\times {{10}^{-4}}H\]                            

    B)
     \[15\times {{10}^{-4}}H\]

    C)
     \[20\times {{10}^{-4}}H\]                           

    D)
     \[25\times {{10}^{-4}}H\]

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  • question_answer36) A coil of 40 H inductance is connected in series with a resistance of 8\[\Omega \] and this combination is connected to the terminals of a 2V battery. The inductive time constant of the circuit is (in seconds)

    A)
     40                                         

    B)
     20

    C)
     5                                            

    D)
     0.2

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  • question_answer37) The velocity of the most energetic electrons emitted from a metallic surface is doubled when the frequency v of the incident radiation is doubled. The work function of this metal is

    A)
      \[\frac{hv}{4}\]                              

    B)
     \[\frac{hv}{3}\]

    C)
     \[\frac{hv}{2}\]                                               

    D)
     \[\frac{2hv}{3}\]

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  • question_answer38) A proton and an alpha particle are accelerated through the same potential difference. The ratio of the wavelengths associated with proton and alpha panicle respectively is

    A)
     1 : 2\[\sqrt{2}\]                               

    B)
     2 : 1

    C)
     2\[\sqrt{2}\]: 1                                

    D)
     4 : 1

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  • question_answer39) Electron belongs to which of the following class of elementary particles?

    A)
     Harden                               

    B)
     Lepton

    C)
     Boson                                 

    D)
     Baryon

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  • question_answer40) In a transistor circuit the base current change: from 30 \[\mu \]A to 90 \[\mu \]A. If the current gain of the transistor is 30, the change in the collector current is

    A)
     4 mA                                    

    B)
     2 mA

    C)
      3.6 mA                               

    D)
     1.8 mA

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  • question_answer41) Element with atomic number 38, belongs to

    A)
     II A group and 5th period

    B)
     II A group and 2nd period

    C)
     V A group and 2nd period

    D)
     III A group and 5th period

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  • question_answer42) In an oxidation reduction reaction, dichromate \[(C{{r}_{2}}O_{7}^{2-})\] ion is reduced to \[\text{C}{{\text{r}}^{\text{3+}}}\]ion. the  equivalent weight of \[{{\text{K}}_{\text{2}}}\text{C}{{\text{r}}_{\text{2}}}{{\text{O}}_{\text{7}}}\] in this reaction is

    A)
     \[\frac{\text{molecuar weight}}{\text{3}}\]

    B)
     \[\frac{\text{molecuar weight}}{6}\]

    C)
      \[\frac{\text{molecuar weight}}{1}\]

    D)
     \[\frac{\text{molecuar weight}}{2}\]

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  • question_answer43) When 3.86 A current is passed through an electrolyte for 50 min, 2.4 g of a divalent metal is deposited. The gram atomic weight of the metal (in grams) is

    A)
     24                                         

    B)
     12

    C)
     64                                         

    D)
     40

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  • question_answer44) Calculate the difference between \[\Delta E\]and\[\Delta H\]  for the following reaction at \[\text{27}{{\,}^{\text{o}}}\text{C}\] (in kcal)  \[C(graphite)+{{H}_{2}}(g)\xrightarrow{{}}C{{H}_{4}}(g)\]

    A)
     \[-\text{ }0.6\]                                

    B)
     \[-\text{ }1.2\]

    C)
     \[+\text{ }0.6\]               

    D)
     \[+\text{ }1.2\]

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  • question_answer45) Nitrobenzene is reduced by Zn and alcoholic potash mixture to get

    A)
     \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]

    B)
      \[{{C}_{6}}{{H}_{5}}NHNH{{C}_{6}}{{H}_{5}}\]

    C)
     \[{{C}_{6}}{{H}_{5}}NN{{C}_{6}}{{H}_{5}}\]

    D)
     \[{{C}_{6}}{{H}_{5}}-NH-CO-{{C}_{6}}{{H}_{5}}\]

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  • question_answer46) \[{{C}_{2}}{{H}_{5}}Cl\xrightarrow[A{{g}_{2}}O]{moist}A\xrightarrow[360{{\,}^{o}}C]{A{{l}_{2}}{{O}_{3}}}B\xrightarrow[{}]{{{S}_{2}}C{{l}_{2}}}C\] In the above sequence of reactions, identify C.

    A)
     chloretone

    B)
     cloropicrin

    C)
      mustard gas

    D)
     lewisite gas

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  • question_answer47) Which of the following is not an air pollutant?

    A)
     CO                                        

    B)
     \[S{{O}_{2}}\]

    C)
     NO                                       

    D)
     \[{{N}_{2}}\]

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  • question_answer48) \[SiC{{l}_{4}}\xrightarrow{{{H}_{2}}O}X\xrightarrow{{{1000}^{o}}C}Y\] In the above reaction, X and Y respectively are

    A)
     \[Si{{O}_{2}}\]and \[Si\]

    B)
     \[{{H}_{4}}Si{{O}_{4}}\] and \[Si{{O}_{2}}\]

    C)
     \[{{H}_{2}}SiC{{l}_{6}}\]and \[Si{{O}_{2}}\]

    D)
     \[{{H}_{4}}Si{{O}_{4}}\]and \[Si\]

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  • question_answer49) What is the wave number of 4th  line in Balmer series of hydrogen spectrum? \[(R=1,09,677\,c{{m}^{-1}})\]

    A)
     \[24,630\text{ }c{{m}^{-1}}\]   

    B)
     \[~24,360\text{ }c{{m}^{-1}}\]

    C)
     \[24,730\,\,c{{m}^{-1}}\]            

    D)
     \[24,372\,c{{m}^{-1}}\]

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  • question_answer50) Assertion (A) : \[\text{C}{{\text{O}}_{\text{2}}}\] is linear Reason (R): n is not in hybridised state. The Correct answer is

    A)
     Both (A) and (R) are true and (R) is the correct explanation of

    B)
     Both (A) and (R) are true but (R) is not the correct explanation of

    C)
     (A) is true and (R) is not true

    D)
    (A)  is not true and (R) is true

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  • question_answer51) \[\text{100 mL}\] of 0.1\[\text{M}\,{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\] is added to 200 mL of \[\text{M NaOH}\text{.}\] What is the pH of the resulting mixture ?

    A)
     2                                            

    B)
     7

    C)
     10                                         

    D)
     12

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  • question_answer52) \[\text{9}\text{.2 g }{{\text{N}}_{\text{2}}}{{\text{O}}_{\text{4}}}\]is heated in a 1 L vessel till equilibrium state is established\[{{N}_{2}}{{O}_{4}}(g)2N{{O}_{2}}(g)\] In equilibrium state 50% \[{{\text{N}}_{\text{2}}}{{\text{O}}_{\text{4}}}\]was dissociated equilibrium constant will be(mol. wt. of \[{{\text{N}}_{2}}{{O}_{4}}=92\])

    A)
     0.1                                        

    B)
     0.4

    C)
      0.3                                       

    D)
     0.2

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  • question_answer53) Disperse phase and dispersion medium in butter are respectively

    A)
     solid and liquid

    B)
     liquid and solid

    C)
      liquid and liquid

    D)
     solid and solid

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  • question_answer54) When oxyhaemoglobin changes to de- oxyhaemoglobin, \[\text{F}{{\text{e}}^{\text{2+}}}\]ion changes from

    A)
     diamagnetic to paramagnetic

    B)
     paramagnetic to diamagnetic

    C)
     diamagnetic to ferromagnetic

    D)
     paramagnetic to ferromagnetic

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  • question_answer55) A react with \[{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{I}\]giving B and Nal. Here  A and B respectively are

    A)
     \[C{{H}_{3}}COONa,\text{ }C{{H}_{3}}OC{{H}_{3}}\]

    B)
     \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}},{{C}_{2}}{{H}_{5}}COO{{C}_{2}}{{H}_{5}}\]

    C)
     \[{{C}_{2}}{{H}_{5}}ONa,{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\]

    D)
     \[~{{C}_{2}}{{H}_{5}}OH,{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\]

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  • question_answer56) In the reactions\[B\xrightarrow{\text{Lindlar}\,\text{catalyst + }{{\text{H}}_{\text{2}}}\text{O}}RC\equiv CR\xrightarrow{\text{Na/N}{{\text{H}}_{\text{3}}}}A\]A and B are geometrical isomers. Then

    A)
     A is \[cis\] and B is trans

    B)
     A is trans and B is c is

    C)
     A and B are c is

    D)
     A and B are trans

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  • question_answer57) When \[\text{AgN}{{\text{O}}_{\text{3}}}\]solution is added in excess to 1 M solution of \[\text{CoC}{{\text{l}}_{3}}.x\,\text{N}{{\text{H}}_{\text{3}}}\]one mole of \[\text{AgCl}\] is formed. What is the value of\[x\]?

    A)
     1                                            

    B)
     2

    C)
     3                                            

    D)
     4

    View Answer play_arrow
  • question_answer58) Which is in the decreasing order of boiling points of V group hydrides?

    A)
     \[N{{H}_{3}}>P{{H}_{3}}>As{{H}_{3}}>Sb{{H}_{3}}\]

    B)
     \[Sb{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}>N{{H}_{3}}\]

    C)
     \[P{{H}_{3}}>N{{H}_{3}}>As{{H}_{3}}>Sb{{H}_{3}}\]

    D)
     \[Sb{{H}_{3}}>N{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}\]

    View Answer play_arrow
  • question_answer59) Which of the following carbonates decomposes readily at low temperatures?

    A)
     \[N{{a}_{2}}C{{O}_{3}}\]             

    B)
     \[{{K}_{2}}C{{O}_{3}}\]

    C)
     \[L{{i}_{2}}C{{O}_{3}}\]                                

    D)
     \[R{{b}_{2}}C{{O}_{3}}\]

    View Answer play_arrow
  • question_answer60) The atomic number of an element M is 26. How many electrons are present in the M-shell of the element in its \[{{\text{M}}^{3+}}\] state?

    A)
     11                                         

    B)
     15

    C)
     14                                         

    D)
     13

    View Answer play_arrow
  • question_answer61) In which of the following pairs, both molecules possess dipole moment?

    A)
     \[C{{O}_{2}},S{{O}_{2}}\]                            

    B)
     \[BC{{l}_{3}},PC{{l}_{3}}\]

    C)
     \[{{H}_{2}}O,S{{O}_{2}}\]                           

    D)
     \[C{{O}_{2}},C{{S}_{2}}\]

    View Answer play_arrow
  • question_answer62) If equal volumes of \[\text{1}\,\text{M}\,\text{KMn}{{\text{O}}_{\text{4}}}\]and \[\text{1}\,\text{M}\,{{\text{K}}_{2}}C{{r}_{2}}{{O}_{7}}\]solutions are allowed to oxidise Fe (II) to Fe (III) in acidic medium, then Fe (II) oxidised will be

    A)
     more by \[KMn{{O}_{4}}\]

    B)
     more by \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]

    C)
     equal in both the cases

    D)
     cannot be determined

    View Answer play_arrow
  • question_answer63) \[{{N}_{2}}(g)+3{{H}_{2}}(g)2N{{H}_{3}}(g)+22\,\text{kcal}\text{.}\] The activation energy for the forward reaction is 50 kcal. What is the activation energy for the backward reaction?

    A)
     \[-72\text{ kcal}\]          

    B)
     \[-\text{ }28\text{ kcal}\]

    C)
     \[+\text{ }28\text{ kcal}\]          

    D)
     \[\text{+ 72 kcal}\]

    View Answer play_arrow
  • question_answer64) Match the following
    Set-I                 Set-II
    (A) \[\text{10}\,\text{vol}\,{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\]    1. perhydrol
    (B) \[\text{20}\,\text{vol}\,{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\]     2. 5.358 N
    (C) \[\text{30}\,\text{vol}\,{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\]     3. 1.785 M
    (D) \[\text{100}\,\text{vol}\,{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\]   4. 3.03%
    The correct match is

    A)
     \[A-4,\text{ }B-3,\text{ C}-2,\text{ }D-1\]

    B)
     \[A-1,\text{ }B-2,\text{ }C-3,\text{ }D-4\]

    C)
     \[A-1,\text{ }B-3,\text{ }C-2,\text{ }D-4\]

    D)
     \[A-4,\text{ }B-2,\text{ }C-3,\text{ }D-1\]

    View Answer play_arrow
  • question_answer65) The raw material used in nylon-6 is

    A)
     adipic acid         

    B)
     phthalic acid

    C)
     ethylene glycol               

    D)
     caprolactum

    View Answer play_arrow
  • question_answer66) Which one of the following reactions is called Rosenmund reaction?

    A)
     Aldehydes are reduced to alcohols

    B)
     Acids are converted to acid chlorides

    C)
     Alcohols are reduced to hydrocarbons

    D)
     Acid chlorides are reduced to aldehydes

    View Answer play_arrow
  • question_answer67) Ethyl chloride on reduction with \[\text{LiAl}{{\text{H}}_{\text{4}}}\] gives compound X as important product. X on chlorination with one mole of \[\text{C}{{\text{l}}_{2}}\]in the presence of light at ordinary temperature   gives Y What is Y?

    A)
     \[{{C}_{2}}{{H}_{6}}\]                   

    B)
     \[{{C}_{2}}{{H}_{4}}\]

    C)
     \[{{C}_{2}}{{H}_{5}}Cl\]               

    D)
     \[{{C}_{2}}{{H}_{5}}OH\]

    View Answer play_arrow
  • question_answer68) \[\text{IUPAC}\] name of\[C{{H}_{3}}-C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\underset{C{{H}_{2}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,}}\,}}\,H-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,=C{{H}_{2}}\]

    A)
     2-methyl-3-ethyl-l-pentene

    B)
     3-ethyl-4-methyl-4-pentene

    C)
     3-ethyl-2-methyl-l-pentene^

    D)
     3-methyl-2-ethyl-l-pentene

    View Answer play_arrow
  • question_answer69) In the separation of noble gas mixture from air by Ramsay Rayleighs first method, the substances used for the removal of \[{{\text{N}}_{\text{2}}}\] and \[{{\text{O}}_{\text{2}}}\] respectively are

    A)
     Cu and Mg        

    B)
     Mg and Cu

    C)
      C and \[Ca{{C}_{2}}\]                   

    D)
     KOH solution

    View Answer play_arrow
  • question_answer70) Which of the following dissolves in water but does not give any oxyacid solution?

    A)
     \[S{{O}_{2}}\]                                  

    B)
     \[O{{F}_{2}}\]

    C)
     \[SC{{l}_{4}}\]                                  

    D)
     \[S{{O}_{3}}\]

    View Answer play_arrow
  • question_answer71) Which of the following is not correct?

    A)
     In Nelson method of \[\text{NaOH}\] preparation, \[\text{C}{{\text{l}}_{2}}\] is liberated at anode

    B)
     With hot and concentrated \[\text{NaOH, C}{{\text{l}}_{\text{2}}}\] gas gives \[\text{NaOCl}\]

    C)
     \[\text{NaOH}\] reacts with white phosphorus giving     phosphine

    D)
     \[\text{NaOH}\] is used in rayon industry

    View Answer play_arrow
  • question_answer72) The fraction of element disintegrated after 4 half-lifes in percentage is

    A)
     75%                                      

    B)
     87.5%               

    C)
     93.75%                                

    D)
     92.5%

    View Answer play_arrow
  • question_answer73) The most probable velocity of a gas molecule at 298 K is 300 m/s. Its RMS velocity in m/s is

    A)
     420                                       

    B)
     245

    C)
     402                                       

    D)
     367

    View Answer play_arrow
  • question_answer74) Schottky defect is observed in the crystal of

    A)
     \[NaCl\]             

    B)
     \[TiCl\]

    C)
     \[AgCl\]                              

    D)
     \[MgC{{l}_{2}}\]

    View Answer play_arrow
  • question_answer75) The formula of Calgon, used for water softening is

    A)
     \[N{{a}_{2}}[N{{a}_{4}}{{(P{{O}_{3}})}_{6}}]\]   

    B)
     \[N{{a}_{4}}[N{{a}_{2}}{{(P{{O}_{3}})}_{6}}]\]

    C)
     \[N{{a}_{2}}[N{{a}_{4}}{{(P{{O}_{4}})}_{5}}]\]   

    D)
     \[N{{a}_{4}}[N{{a}_{4}}{{(P{{O}_{4}})}_{6}}]\]

    View Answer play_arrow
  • question_answer76) A mixture of amylose and amylopectin is called

    A)
     lactose                                

    B)
     starch

    C)
     cellulose                            

    D)
     sucrose

    View Answer play_arrow
  • question_answer77) Methyl alcohol when reacted with carbon monoxide using cobalt or rhodium as catalyst, compound A is formed. A on heating with HI in the presence of red phosphorus as catalyst ff is formed. Identify B

    A)
     \[C{{H}_{3}}COOH\]                      

    B)
     \[C{{H}_{3}}.CHO\]

    C)
     \[C{{H}_{3}}.C{{H}_{2}}.I\]                         

    D)
     \[C{{H}_{3}}.C{{H}_{3}}\]

    View Answer play_arrow
  • question_answer78) Match the following
    Set - I                                    Set - II
    (A) \[{{C}_{2}}{{H}_{5}}OH\xrightarrow[170{{\,}^{o}}C]{Conc.{{H}_{2}}S{{O}_{4}}}\] 1. Methane
    (B) \[CH{{I}_{3}}\xrightarrow[Ag(Powder)]{\Delta }\]     2. Ethylene
    (C) \[C{{H}_{3}}COONa(aq)\]\[\xrightarrow{electrolysis}\] 3. Benzene
    (D) \[C{{H}_{3}}COONa\]\[\xrightarrow[CaO\Delta ]{NaOH}\] 4. Acetylene
    5. Ethane
    The correct match is

    A)
     \[A-2,\text{ }B-4,\text{ }C-5,\text{ }D-1\]

    B)
     \[A-2,\text{ }B-4,\text{ }C-5,\text{ }D-3\]

    C)
     \[A-4,\text{ }B-2,\text{ }C-5,\text{ }D-1\]

    D)
     \[A-4,\text{ }B-2,\text{ }C-5,\text{ }D-3\]

    View Answer play_arrow
  • question_answer79) One gas bleaches the colour of flowers by reduction and another gas by oxidation. The gases respectively are

    A)
     \[\text{S}{{\text{O}}_{\text{2}}}\] and \[\text{C}{{\text{l}}_{2}}\]          

    B)
     CO and \[\text{C}{{\text{l}}_{\text{2}}}\]

    C)
     \[\text{N}{{\text{H}}_{\text{3}}}\]and \[\text{S}{{\text{O}}_{2}}\]        

    D)
     \[{{H}_{2}}S\]and \[B{{r}_{2}}\]

    View Answer play_arrow
  • question_answer80) Except B and Al, all other III group elements exhibit +1 oxidation state. This is because

    A)
     they are p-block elements

    B)
     their first ionization energy is less

    C)
      they have low melting point

    D)
     due to inert pair effect

    View Answer play_arrow
  • question_answer81) Mammals evolved from therapsid reptiles in Triassic period. The type of skull in these reptiles is

    A)
     anapsid skull                    

    B)
     parapsid skull

    C)
     synapsid skull                                  

    D)
     diapsid skull

    View Answer play_arrow
  • question_answer82) Each male genital opening of Pheretima has separate openings of

    A)
     2 ducts                                

    B)
     3 ducts

    C)
     5 ducts                                

    D)
     4 ducts

    View Answer play_arrow
  • question_answer83) Match the following
    Set- I Set- II
    A Inguinal canal 1. Network of  seminiferous tubules
    B Rete testis 3. Secondary sexual characters
    C Leydig cells 2. Far descending of testis
    D Prepuce 4. Dorsal bundles of muscles
    E Corpora cavernosa 5. Terminal skin of Penis

    A)
     A-1, B-2, C-3, D-5, E-4

    B)
     A-3, B-1, C-4, D-2, E-5

    C)
     A-3, B-1, C-2, D-5, C-4

    D)
     A-2, B-4, C-3, D-5, C-I

    View Answer play_arrow
  • question_answer84) Identify the correct set from the following
    (i)   The application of Mathematics of biology of biometry
    (ii)  The study of genetics that deals with the systematic treatment of genetic disorders is  euphenics
    (iii) The branch of biochemistry concerned with the study of transformation and use of energy of living cells of organisms is biotechnology
    (iv) The study deals with the application of statistical methods for computation and analysis of biological data is bioinformatics

    A)
     (i) and (ii)                           

    B)
     (i) and (iii)

    C)
     (ii) and (iii)                         

    D)
     (i) and (iv)

    View Answer play_arrow
  • question_answer85) Match the following
    Set- I Set- II
    A Petromyzon 1. Planula larva
    B Holothuria 2. Axoloti larva
    C Ambystoma 3. Auricularia larva
    D Polychaeta 4. Ammocoete larva
    E Cnidaria 5. Trochophore larva

    A)
     A-4, B-2, C-3, D-1, E-5   

    B)
     A-2, B-4, C-2, D-1, E-5

    C)
     A-4, B-3, C-2, D-5, E-1

    D)
     A-1, B-3, C-2, D-5, E-4

    View Answer play_arrow
  • question_answer86) A transverse section of Pheretima taken through the 10th segment is observed in microscope. Which of the following structures can be observed in the section?

    A)
     Stomach, Dorsal blood vessel. Ventral blood vessel, Supra- oesophageal vessel, Anterior loops. Ring vessel and Micronephridia

    B)
     Stomach, Dorsal blood vessel, Ventral blood vessel. Lateral hearts, Ring vessels and Pharyngeal nephridia

    C)
      Intestine, Dorsal blood vessel, Ventral blood vessel, Supra-oesophageal vessel and Septal nephridia

    D)
     Stomach, dorsal blood vessel, sub neural blood vessel and Lateral hearts

    View Answer play_arrow
  • question_answer87) When a cow is crossed to a bull and the female progeny is yielding more milk than its mother. From this it is inferred

    A)
     More number of genes for high yielding milk are inherited, only from the female parent

    B)
     More number of genes for high yielding milk are inherited only the male parent

    C)
      More number of genes for high yielding milk are inherited from both the parents

    D)
     The progeny through mutation achieved more  number of genes for high yielding milk

    View Answer play_arrow
  • question_answer88) Which of the following animals is not only a living fossil but also considered as connecting link?

    A)
     Sphenodon                      

    B)
     Limulns

    C)
     Neopilina                           

    D)
     Latimeria

    View Answer play_arrow
  • question_answer89) Identify the correct sequence of classification of the following
    (I)    Eutheria      
    (II) Mammalia
    (III) Leporidac    
    (IV) Lagomorpha
    (V)  Oryctolagus

    A)
    \[H\to IV\to I\to V\to III\]                           

    B)
     \[II\to I\to IV\to III\to V\]

    C)
    \[II\to I\to IV\to V\to III\]                           

    D)
     \[I\to V\to III\to II\to IV\]

    View Answer play_arrow
  • question_answer90) During the development of zygote of earthworm macromeres develop into

    A)
     mesoderm

    B)
     endoderm

    C)
     ectoderm

    D)
     all the three germinal layers

    View Answer play_arrow
  • question_answer91) In man four phenotypes of blood groups are due to the presence of antigen A and antigen B on the RBC. The chromosome that has the gene to control these antigens is

    A)
     X-chromosome                               

    B)
     21st chromosome

    C)
     9th chromosome                             

    D)
     7th chromosome

    View Answer play_arrow
  • question_answer92) Which of the following possesses a hard exoskeleton formed by calcium carbonate?

    A)
     Physalia                              

    B)
     Aurelia

    C)
     Corallium                           

    D)
     Halistemma

    View Answer play_arrow
  • question_answer93) In Rabbit foliate papillae are

    A)
     situated on the margin of tongue

    B)
     situated on the upper surface of tongue

    C)
     situated at the base of tongue

    D)
     situated at the sides of the base of the tongue

    View Answer play_arrow
  • question_answer94) Periplaneta americana has thermoreceptor sensillae on

    A)
     1st, 2nd and 3rd segments of tarsus of legs

    B)
     3rd, 4th and 5th segments of tarsus of legs

    C)
     pedicel of antenna

    D)
     15th segment of anal cerci

    View Answer play_arrow
  • question_answer95) Intron transcripts in heterogenous nuclear RNA (in RNA) are removed and exon transcripts are joined together under the direction of protein complexes. These complexes are

    A)
     polysomes                        

    B)
     Cdk complex

    C)
     spliceosomes                                   

    D)
     endopeptidases

    View Answer play_arrow
  • question_answer96) In understanding different types of symmetry, the term used as principal axis means

    A)
     an imaginary straight line joining two opposite points at the ends

    B)
     an imaginary straight line joining the midpoint at one end and the midpoint at the opposite end

    C)
      an flat area that runs through any axis

    D)
     an animal having its body parts arranged in such a manner to exhibit summery

    View Answer play_arrow
  • question_answer97) The nasal chamber of rabbit has three thin twisted bony plates called conchae. They are lined by

    A)
     striated cuboidal epithelium

    B)
     simple cuboidal epithelium

    C)
      simple squamous epithelium

    D)
     simple ciliated columnar epithelium

    View Answer play_arrow
  • question_answer98) Efferent salivary ducts in Periplaneta open into

    A)
     stomach                                             

    B)
     base of pharynx

    C)
     base of hypopharynx   

    D)
     base of oesophagus

    View Answer play_arrow
  • question_answer99) When a cross is conducted between black feathered hen and a white feathered cock, blue feathered fowls are formed. When these fowls are allowed for interbreeding, in F2 generation, there are 20 blue fowls. What would be the number of black and white fowls?

    A)
     Black 20, white 10          

    B)
     Black 20, white 20

    C)
     Black 10, white 10          

    D)
     Black 10, white 20

    View Answer play_arrow
  • question_answer100) Match the following
    Set- I Set- II
    A Astrocytes 1. Resting macrophases
    B Microglia 2. Precursors of myelin sheath
    C Oligodendrocytes 3. Set of currents in Cerebrospinal fluid
    D Dependymal cells 4. Protects neurons of brain from toxins

    A)
     A-2, B-3, C-4, D-1            

    B)
     A-1, B-3, C-2, D-4

    C)
     A-3, B-2, C-4, D-1            

    D)
     A-4, B-1, C-2, D-3

    View Answer play_arrow
  • question_answer101) Identify the correct set of arteries formed from each common iliac artery of rabbit

    A)
     Internal Iliac, External Iliac, Vesicular, Lumbar,  Posterior epigastric arteries

    B)
     Internal Iliac, External Iliac, Vesicular, Posterior mesenteric, epigastric arteries

    C)
     Internal Iliac, External Iliac, Vesicular, Uterine, Posterior epigastric arteries

    D)
     Internal Iliac, External Iliac, Uterine, Lumbar, Posterior epigastric arteries

    View Answer play_arrow
  • question_answer102) Which of the following have biting and chewing type of mouth parts?
    (1) Cimex                            
    (2) Larvae of silk moth
    (3) Larvae of butterfly   
    (4) Grasshopper
    (5) Tse- tse fly

    A)
     2, 4, 5                                  

    B)
     2, 5, 4

    C)
     1, 2, 4                                  

    D)
     3, 4, 5

    View Answer play_arrow
  • question_answer103) Match the following
    Set- I Set- II
    A T.R. Malthus 1 On the tendency of varieties to depart from original types
    B Sir Charles Lyell 2. Philosophic
    C Weismann 3. Zoologique
    D Lamarck 4. On the principles of populations
    E Alfred Russel Wallace 5. Principles of Geology Germinal selection
    The correct match is

    A)
     A-3, B-2, C-5, D-4, E-1   

    B)
     A-3, B-4, C-2, D-5, E-1

    C)
     A-3, B-4, C-5, D-2, E-1

    D)
     A-3, B-5, C-4, D-1, E-2

    View Answer play_arrow
  • question_answer104) Assertion (A) : Conjugation is a temporary union between two ciliates belonging to two different mating types for the exchange and reconstitution of nuclear materials. Reason (R): Conjugation occurs between two inactive individuals which have gained their vigour and vitality due to chromosomal imbalance in their macronuclei, caused by repeated amitotic division The correct answer is

    A)
     Both (A) and (R) are true and (R) explains

    B)
     Both (A) and (R) are true but (R) cannot explain

    C)
     Only (A) is correct but not (R)

    D)
    Both (A) and (R) are wrong

    View Answer play_arrow
  • question_answer105) When glomerular filtration does occurs in Bowmans capsule?

    A)
     When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is -25 mm Hg

    B)
     When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and not filtrate pressure is -35 mm Hg

    C)
      When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is 10 mm Hg

    D)
      When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is -70 mm Hg

    View Answer play_arrow
  • question_answer106) The organs that assist in sound production in mosquito are

    A)
     hairy appendages          

    B)
     mouth parts

    C)
     hemielytra                        

    D)
     halters

    View Answer play_arrow
  • question_answer107) Myrmecobius and Myrmecophaga are closely related and have similar adaptations for the same habital. This phenomenon is

    A)
     divergent evolution

    B)
     homoplasy

    C)
     convergent evolution

    D)
     parallel evolution

    View Answer play_arrow
  • question_answer108) Which are the sites of ATPase activity in the cilia and flagella?

    A)
     Base of cilia and flagella

    B)
     Doublets

    C)
     Basal granules of cilia and flagella

    D)
     Dynein arms

    View Answer play_arrow
  • question_answer109) This joint allows restricted movement in different planes

    A)
     arthrodia                           

    B)
     enarthroses

    C)
     ginglymi                             

    D)
     rotatoria

    View Answer play_arrow
  • question_answer110) Match the following concepts
    Set- I Set- II
    A Aliens rule 1. Fishes of cooler waters have more vertebrae than those found in hot waters
    B Bergmans rule 2. Temperature    influences  pigmentation in animals
    C Jordans rule 3. Temperature affects various    organs    of animals
    D Glogers rule 4. Body size of homeotherms in cold region is large  whereas  those  living in hot regions are small
    The correct match is

    A)
     A-2, B-1, C-3, D-4            

    B)
     A-4, B-2, C-3, D-1

    C)
     A-3, B-4, C-1, D-2            

    D)
     A-4, B-3, C-2, D-1

    View Answer play_arrow
  • question_answer111) Identify the hepatitis virus, which cannot survive independently and it requires another hepatitis virus for its multiplication

    A)
     Hepatitis-A virus                             

    B)
     hepatitis-B virus

    C)
     hepatitis-C virus                             

    D)
     hepatitis-D virus

    View Answer play_arrow
  • question_answer112) Fasciola hepatica is a digenetic parasite. Sheep and snail are two hosts. Snail is

    A)
     intermediate host         

    B)
     paratenic host

    C)
     vector host                       

    D)
     reservoir host

    View Answer play_arrow
  • question_answer113) The hypo-secretion of which hormones leads to loss of sodium and water through urine, low blood pressure and hypo-tension?

    A)
     Thyrotropic hormones

    B)
     Hormones of adrenal cortex

    C)
     Hormones of adrenal medulla

    D)
     Luteotrophic hormones

    View Answer play_arrow
  • question_answer114) Assertion (A): Daphnia populations in a water body, at different seasons of an year showed market variations in their body morphology. Reason   (R): Cyclomorphosis in some plariktonic organisms is influenced by the variations in temperatures prevailing in their water bodies at different seasons.

    A)
     Both (A) and (R) are true and (R) explains

    B)
     Both (A) and (R) are true but (R) cannot explain

    C)
     Only (A) is correct but not (R)

    D)
     Both (A) and (R) are wrong

    View Answer play_arrow
  • question_answer115) Assertion (A) : The phenomenon where tumour cells detach and migrate to other parts of the body where they give rise to secondary tumours is called metastasis. Reason (R): Abnormal antigens on the surface of cell and unusual member of chromosomes cause metastasis. The correct answer is

    A)
     Both (A) and (R) are true and (R) explains

    B)
     Both (A) and (R) are true but (R) cannot explain

    C)
     Only (A) is correct but not (R)

    D)
     Both (A) and (R) are wrong

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  • question_answer116) Note the following
    (1) During gametogenesis reduction division occurs and gametes formed are naploid according to Bano
    (2) Erythrocytic cycle begins with the entry of either cryptozoites or micrometacryptozoites.
    (3) Maturation of gametocytes generally take place in spleen and bone marrow
    (4) The prepatent period is about 8 days
    Which of the above statements are true for Plasmodium vivax?

    A)
     (1), (2) and (3)                                 

    B)
     (2), (3) and (4)

    C)
     (1), (3) and (4)                                 

    D)
     (1), (2) and (4)

    View Answer play_arrow
  • question_answer117) In rabbit, placenta is formed by

    A)
     chorio allantoic membrane and yolk sac

    B)
     amnion, chorion and yolk sac

    C)
     chorio allantoic membrane and endometrium

    D)
     allantois and endometrium

    View Answer play_arrow
  • question_answer118) Which of the following vertebrates show the formation of middle ear (eustachian recess) for the first time?

    A)
     Exocoetus                         

    B)
     Rana

    C)
     Echis                                    

    D)
     Hippocampus

    View Answer play_arrow
  • question_answer119) In poultry birds nasal and eye discharges with foul smell, acute respiratory problem and inflamed and swollen eyes are the symptoms of

    A)
     Chronic Respiratory disease

    B)
     Infectious coryza disease

    C)
     Brooder Pneumonia disease

    D)
     Marcks disease

    View Answer play_arrow
  • question_answer120) Arrange the external openings and their segmental numbers of Pheretima
    Set I Set II
    A Male genital apertures 1. Between 12/13 to last segment
    B Dorsal pores 2. From 3rd to last segment
    C Spermathecal apertures 3. 18th segment
    D Nephridiopores 4. From 5/6 to 8/9 segment

    A)
     A-2, B-2, C-3, D-4            

    B)
     A-3, B-1, C-A, D-2

    C)
     A-3, B-4, C-2, D-1            

    D)
     A-2, B-3,-1, D-4

    View Answer play_arrow
  • question_answer121) A term helotism is used for the symbiosis of

    A)
    algae and fungi

    B)
     algae and Cycas

    C)
     algae and bacteria         

    D)
     Pinus and fungi

    View Answer play_arrow
  • question_answer122) The Scientist who through his extensive researches found that the regular recurrence of rust disease every years on wheat plants in India is due to the pathogenic fungal inoculum carried through wind currents from hills to plains

    A)
     MOP lyengar    

    B)
     MS Swaminathan

    C)
     P Maheshwari 

    D)
     KC Mehta

    View Answer play_arrow
  • question_answer123) The aerial, short and branched roots of an autotrophic plant that provide stability are known as

    A)
     Lateral roots    

    B)
     Haustoria

    C)
      Velamen roots               

    D)
     Clinging roots

    View Answer play_arrow
  • question_answer124) Study the following statements
    (I) Bulb o{Allium cepa is a modified stem
    (II) Cloves ofAllium sativum are fleshy scale leaves
    (III) Corm of Colocasia is a modified root
    (IV) Tendril in Vitis vim/era is a modified               axillary bud Identify the correct pair

    A)
     (I) and (II)          

    B)
     (II) and (IV)

    C)
     (II) and (III)       

    D)
     (I) and (IV)

    View Answer play_arrow
  • question_answer125) Arrange the following plants in the ascending  order based on the number of leaflets in a leaf
    I. Hardwickia
    II. Gynandropsis
    III. Marselia
    IV. Citrus

    A)
     I, III, II, IV           

    B)
     IV, I, III, II

    C)
     IV, I, II, III           

    D)
     II, IV, III, I

    View Answer play_arrow
  • question_answer126) Assertion (A) : The type of inflorescence in Sphaeranthus is cyathium Reason   (R) : In   cyathium   type   of  inflorescence, the flowers are achlamydeous the correct answer is

    A)
    (A)  and (R) are true and (R) is the correct explanation of

    B)
    (A)  and (R) true but (R) is not the correct explanation of

    C)
    (A)  is true but (R) is false

    D)
    (A)  is false but (R) is true

    View Answer play_arrow
  • question_answer127) In a tetradynamous androecium, one of the following is seen

    A)
    Outer whorl of 4 smaller stamens and inner whorl of 2 larger stamens

    B)
     Outer whorl of 2 larger stamens and inner whorl of 4 smaller stamens

    C)
       Outer whorl of 4 larger stamens and inner whorl of 2 smaller stamens

    D)
     Outer whorl of 2 smaller stamens and inner whorl of 4 larger stamens

    View Answer play_arrow
  • question_answer128) Wearing isolated a dormancy inducing substance from the leaves of a plant. From which type of gynoecium does the fruit of that plant develop?

    A)
     Bicarpellary syncarpous gynoecium with inferior ovary

    B)
     Bicarpellary syncarpous gynoecium with superior ovary

    C)
     Tricarpellary syncarpous gynoecium with superior ovary          

    D)
     Monocarpellary gynoecium with half inferior ovary

    View Answer play_arrow
  • question_answer129) Arrange the following plants in the  descending order based on the number of  their mericarps
    I. Ridnus
    II. Coriandrum
    III. Ocimum
    IV. Abutilon

    A)
     IV, III, II, I             

    B)
     II, I, III, IV

    C)
     IV, III, I, II           

    D)
     I, IV, II, III

    View Answer play_arrow
  • question_answer130) Which of the following pairs in angiosperms are diploid and triploid, respectively?

    A)
    Secondary nucleus and endosperm

    B)
     Microspore mother cell and egg cell

    C)
     Polar nucleus and secondary nucleus

    D)
     Endosperm and antipodal cells

    View Answer play_arrow
  • question_answer131) Which one of the following statements is incorrect about the properties of DNA ?

    A)
     DNA is denatured when heated up to 70°C

    B)
     DNA shows high absorption of UV radiation at 260 mp

    C)
     DNA directly participates in protein        synthesis

    D)
     Pyrimidines of DNA are cytosine and     thymine

    View Answer play_arrow
  • question_answer132) Assertion (A) : Ribosomes are considered as the most primitive cell organelles Reason (R) : Ribosomes occur in all eukaryotic    Organisms The correct answer is

    A)
    (A) and (R) are true and (R) is the correct explanation of

    B)
    (A)  and (R) are true but (R) is not the correct explanation of

    C)
    (A) is true but (R) is false

    D)
    (A)  is false but (R) is true

    View Answer play_arrow
  • question_answer133) The internal structure of a plant stem is observed. There is a discontinuous ring of angular collenchyma below the epidermis. Type of vascular bundles arc of the same type as in the stems of solanaceous plants. Sieve tube elements possess simple sieve plates identify the plant

    A)
     Helianthus        

    B)
     Cucurbita

    C)
     Zea                                       

    D)
     Hydrilla

    View Answer play_arrow
  • question_answer134) Arrange the following plants in ascending  order based on the number of xylem strands in their roots
    I.    Trapa  
    II.    Pisum
    III. Castanea  
    IV.  Nicotiana

    A)
      II, IV, III, I          

    B)
      III, IV, II, I

    C)
       IV, III, I, II         

    D)
      l, IV, II, III

    View Answer play_arrow
  • question_answer135) Which one of the following is the correct sequence of tissues present in dicot stem during secondary growth?

    A)
     Phellogen, cork, primary cortex, secondary cortex

    B)
     Cork, primary cortex, secondary cortex, phellogen

    C)
     Primary   cortex,   secondary   cortex, phellogen, cork

    D)
     Secondary cortex, cork, phellogen, primary Cortex

    View Answer play_arrow
  • question_answer136) The source of intoxicating beverage called Saky is

    A)
     Sorghum vulgare            

    B)
     Arachis hypogea

    C)
     Oryza sativa                      

    D)
     Mangifera indica

    View Answer play_arrow
  • question_answer137) Study the following lists
    List-I                                      List-II
    A. Laxative                          1. Neem
    B. Anticorrosion                2. Groundnut
    C. Lubricants                      3. Cotton
    D. Nitro cellulose              4. Mango
    5. Rice

    A)
                    A-2         B-3         C-5         D-1

    B)
     A-4        B-5         C-2         D-3

    C)
                    A-5         B-4         C-3         D-2

    D)
                    A-1         B-2         C-4         D-5

    View Answer play_arrow
  • question_answer138) Which one of the following families shows both freedom and fusion in four successive whorls of the flower from exterior in different members?

    A)
     Malvaceae        

    B)
     Solanaceae

    C)
     Asteraceae       

    D)
     Liliaceae

    View Answer play_arrow
  • question_answer139) The parthenospores of Rhizopus are

    A)
     Uninucleate                     

    B)
     Binucleate

    C)
     Trinucleate                       

    D)
     Multinucleate

    View Answer play_arrow
  • question_answer140) Assertion (A) : Both apospory and apogamy are observed in Pteris. Reason (R) : They are evident by the production of haploid sporophyte by apospory and diploid gametophyte by apogamy. The correct answer is

    A)
     (A) and (R) are true and (R) is the correct explanation of

    B)
     (A) and (R) are true but (R) is not correct explanation of

    C)
    (A)  is true but (R) is false

    D)
    (A) is false but (R) is true

    View Answer play_arrow
  • question_answer141) Study the following and identify two characters found in both Cycas and  Pteris
    I. Formation of motile male gametes.
    II. Formation of haploid endosperm.
    III. Formation of sporophyte directly from gametophyte without gametic union.
    IV. Formation of archegonia in female gametophyte.
    The correct match is

    A)
     I and IV                               

    B)
     I and III

    C)
     II and IV                             

    D)
     III and IV

    View Answer play_arrow
  • question_answer142) Study the following lists
    List-I                                                      List-II
     Epulopiscium                    1. Vector fishelsoni
     Bacillus thuringiensis 2. Acanthurus
     Treponema pallidum 3. Bacitracin
     Agrobacterium                   4. Bioinsecticide tumefadens
    5. Syphilis
    The correct match is

    A)
    A-2         B-4         C-5         D-1

    B)
                    A-3         B-1         C-2         D-4

    C)
                    A-5        B-2        C-1        D-3

    D)
                    A-4         B-2         D-5         D-3

    View Answer play_arrow
  • question_answer143) Which of the following are correct to describe viruses?
    (I) Simple and unicellular organisms
    (II) Contain DNA or RNA and enclosed by protein coat
    (III) Possess own metabolic systems and              respond to stimuli
    (IV) Maintain genetic continuity and undergo mutations
    The correct combination is

    A)
     I and II                                

    B)
     II and IV

    C)
     II and III                              

    D)
     I and III

    View Answer play_arrow
  • question_answer144) Study the following lists
    List-I                                                      List-II
    A. Sphaerotheca              1. Three celled conidia
    B. Colletotrichum 2. Zoospores
    C. Pyricularia      3. Falcate conidia
    D. Olpidium        4. Suspensor
    5. Columella
    The correct match is

    A)
                    A-4         B-2         C-5         D-3

    B)
                    A-3         B-4         C-2         D-5

    C)
    A-5        B-3        C-1        D-2

    D)
                    A-2         B-1         C-3         D-4

    View Answer play_arrow
  • question_answer145) Identify the diseases that are caused by the organisms of the same subdivision of Eumycota.
    I. Citrus canker
    II. Red rot of sugarcane
    III. Grain smut of sorghum
    IV.  Black neck of rice
    The correct pair is

    A)
     I and IV                               

    B)
     I and III

    C)
     II and III                              

    D)
     II and IV

    View Answer play_arrow
  • question_answer146) Study the following lists
    List-I                       List-II
    A. Ephemeral        1. Nerium
    B. Mucilage           2. Ziziphus
    C. Multiple epidermis 3. Calotropis
    D. Spine               4. Tribulus
    5. Aloe
    The correct match is

    A)
                    A-2         B-4         C-5         D-1

    B)
                    A-5         B-2         C-1         D-4

    C)
    A-4        B-5        C-1        D-2

    D)
     A-4       B-3         C-2         D-1

    View Answer play_arrow
  • question_answer147) Seeds possess spongy aril in

    A)
     Eichhornia         

    B)
     Potamogeton

    C)
     Sagittaria           

    D)
     Nymphaea

    View Answer play_arrow
  • question_answer148) What type of plant is formed when colchicines Is used in the process of development of  Raphanobrassica?

    A)
     Triploid               

    B)
     Haploid

    C)
     Autotetraploid                

    D)
     Allotetraploid

    View Answer play_arrow
  • question_answer149) Study the following lists
    List-I                     List-II
    A Synthetic seeds   1. Anther culture
    B Gene cloning     2. Interspecific hybridization
    C Haploid plants    3. Polymerase chain reaction
    D Transgenic plants 4. Recombinant DNA technology
    5. Somatic   embryogenesis
    The correct match is

    A)
    A-5         B-3         C-1         D-4

    B)
    A-1         B-2         C-5         D-3

    C)
    A-4        B-1        C-3        D-2

    D)
    A-2         B-5         C-4         D-1

    View Answer play_arrow
  • question_answer150) Assertion (A) : K+ ion accumulation found in Nitella depends on its respiratory activity. Reason (R): Absorption of all ions in plants completely depends on the usage of metabolic energy. The correct answer is

    A)
    (A)  and (R) are true and (R) is correct explanation of

    B)
    (A)  and (R) are true but (R)is not the correct explanation of

    C)
    (A)  is true but (R) is false

    D)
    (A)  is false but (R) is true

    View Answer play_arrow
  • question_answer151) When pea seeds and wheat grains are soaked   water, pea seeds showed more swelling than the wheat. The                 reason is

    A)
     imbibition capacity of proteins is more than that of starch

    B)
     Presence of less hydrophilic colloids in the wheat grains

    C)
     Cell membrane of pea seeds is more permeable

    D)
     Cell walls of wheat grains are less permeable

    View Answer play_arrow
  • question_answer152) Which one of the following denotes the water potential the mesophyll cell in wilted condition?

    A)
       Equal to the value of osmotic potential

    B)
       Equal to the value of pressure potential

    C)
       Greater than the value of its osmotic  potential

    D)
     Equal to zero

    View Answer play_arrow
  • question_answer153) Identify the correct combinations of the following
    Substrate                       Enzyme Product
    I. Phosphoenol pyruvate                     PEP Carboxylase \[{{C}_{4}}\]acid
    II. Malate      Malic enzyme \[{{C}_{4}}\]acid
    III. RuBP                              Ribulose  5-phosphate Kinase \[{{C}_{3}}\]acid
    IV. Pyruvate     Pyruvate  dikinase \[{{C}_{3}}\]acid
    The correct combination is

    A)
     III and IV            

    B)
     I and II

    C)
     II and III                              

    D)
     I and IV

    View Answer play_arrow
  • question_answer154) 34.          In which one of the following reactions, oxidative decarboxylation does not occur?

    A)
      Malic acid \[\to \]Pyruvic acid

    B)
      Pyruvic acid \[\to \]Acetyl Co-A

    C)
     Glyceraldehyde \[\to \]3-phosphate \[\to \]1, 3-bisphosphoglyceric acid

    D)
      \[\alpha \]ketoglutaric acid \[\to \] Succinyl Co-A

    View Answer play_arrow
  • question_answer155) From among the following, identify the substrate required for the only oxidative reaction that occurs in the                 process of glycolysis

    A)
      3-phosphoglyceric acid

    B)
      glyceraldehyde 3-phosphate

    C)
      fructose-6-phosphate

    D)
     glucose-6-phosphate

    View Answer play_arrow
  • question_answer156) Which one of the following enzymes has no role in protein synthesis?

    A)
      RNA polymerase

    B)
      Restriction endonuclease

    C)
       Ammo acyi synthetase

    D)
      Peptidyl transferase

    View Answer play_arrow
  • question_answer157) Assertion (A) : Decapitation of shoot tip in plants inhibits the growth of their lateral buds. Reason (R) : Accumulation of auxins in lateral buds causes inhibition of their growth. The correct answer is

    A)
    (A)  and (R) are true and (R) is correct explanation of

    B)
    (A)  and (R) are true but (R) is not correct explanation of

    C)
    (A)  is true but (R) is false

    D)
    (A)  is false but (R) is true

    View Answer play_arrow
  • question_answer158) Assertion (A): Ethylene stimulates growth in case of wounds and thus helps in wound healing. Reason (R): Ethylene causes triple response growth in plants.

    A)
     Both (A) and (R) are true and (R) is the correct explanation of

    B)
     Both (A) and (R) are true but (R) is not the correct explanation of

    C)
    (A)  is true but (R) is false

    D)
    (A)  is false but (R) is true

    View Answer play_arrow
  • question_answer159) Identify the characters of gynoecium found in members of Asteraceae. Fabaceae/Liliaceae  and               Solanaceae,                 respectively      
    I. Tricarpellary syncarpous ovary superior and trilocular
    II. Bicarpellary syncarpous ovary superior and usually bilocular
    III. Bicarpellary syncarpous ovary inferior and unilocular
    IV. Monocarpellaryovary half-inferior and unilocular

    A)
     II, I, III, IV           

    B)
     III, IV,.I, II

    C)
     IV, III, II, I           

    D)
     I, II, IV, III

    View Answer play_arrow
  • question_answer160) Two plants A and B belonging to Solanaeeae are observed. In plant A the number of locules in the ovary of a                 flower is half of that of its carpel number. In plant B, the number of locules in the  ovary of a flower is double                 the number of carpels. Identify the plants A and B respectively

    A)
     Capsicum, Datura

    B)
     Cestrum, Pentunia

    C)
     Withania, Solanum

    D)
     Lycopersicon, Nicotiana

    View Answer play_arrow

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