Solved papers for BHU PMT BHU PMT (Mains) Solved Paper-2005

done BHU PMT (Mains) Solved Paper-2005 Total Questions - 200

• question_answer1) If muscle times speed equals power what is the ratio of the SI unit and the CGS unit of muscle?
  A)
   10s                                       
  done clear
  B)
   \[{{10}^{3}}\]
  done clear
  C)
   107                                       
  done clear
  D)
  \[{{10}^{-5}}\]
  done clear
  View Answer play_arrow

• question_answer2) A body of mass 2 kg has an initial velocity of 3 m/s along OE and it is subjected to a force of 4 N in a direction perpendicular to OE. The distance of body from 0 after 4 s will be:
  A)
   12 m                                    
  done clear
  B)
   20 m
  done clear
  C)
   8m                                        
  done clear
  D)
   48 m
  done clear
  View Answer play_arrow

• question_answer3) A synchronous relay satellite reflects TV signals and transmits TV programmer from one pan of the world to the other because its:
  A)
   period of revolution is greater than the period of rotation of the earth about its axis
  done clear
  B)
   period of revolution is less than the period of rotation of the earth about its axis
  done clear
  C)
   period of revolution is equal to the period of rotation of the earth about its axis
  done clear
  D)
   mass is less than the mass of earth
  done clear
  View Answer play_arrow

• question_answer4) An engine is moving on a circular path of radius 100 m with a speed of 20 m/s. What will be the frequency observed by an observer standing stationary at the centre of circular path when the engine blows a whistle of frequency 500 Hz?
  A)
   More than 500 Hz
  done clear
  B)
   Less than 500 Hz
  done clear
  C)
   500 Hz
  done clear
  D)
   No sound is heard
  done clear
  View Answer play_arrow

• question_answer5) The work done by a particle moving with a velocity of 0.7 c (where c is the velocity of light) in empty space free of electromagnetic field and far away from all matter is:
  A)
   positive              
  done clear
  B)
   negative
  done clear
  C)
    zero                                    
  done clear
  D)
   infinite
  done clear
  View Answer play_arrow

• question_answer6) The velocity v (in cm/s) of a particle is given in terms of time t (in seconds) by the equation, \[v=at+\frac{b}{t+c}\] The dimensions of a, b and c are:
  A)
  a                              b                             c  \[[{{L}^{2}}]\]                   \[[T]\]                   \[[L{{T}^{2}}]\]
  done clear
  B)
   \[[L{{T}^{2}}]\] \[[LT]\]                 \[[L]\]
  done clear
  C)
   \[[L{{T}^{-2}}]\]               \[[L]\]                   \[[T]\]
  done clear
  D)
   \[[L]\]                  \[[LT]\]                 \[[{{T}^{2}}]\]
  done clear
  View Answer play_arrow

• question_answer7) A copper wire and a steel wire of the same diameter and length are joined end to end and a force is applied which stretches their combined length by 1 cm. Then the two wires will have:
  A)
   the same stress and strain
  done clear
  B)
   the same stress but different strains
  done clear
  C)
    the same strain but different stresses
  done clear
  D)
   different stresses and strains
  done clear
  View Answer play_arrow

• question_answer8) A particle moves through angular displacement\[\theta \]on a circular path of radius r. The linear displacement will be:
  A)
  \[2r\text{ }sin(\theta /2)\]          
  done clear
  B)
  \[2r\text{ cos}(\theta /2)\]
  done clear
  C)
   \[2r\text{ tan}(\theta /2)\]        
  done clear
  D)
   \[2r\text{ cot}(\theta /2)\]
  done clear
  View Answer play_arrow

• question_answer9) When a rod is heated but prevented from expanding the stress developed is independent of:
  A)
   material of the rod
  done clear
  B)
   rise in temperature
  done clear
  C)
   length of rod
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer10) A clock hung on a wall has marks instead of numerals on its dial on the adjoining wall there is a plane mirror and the image of the clock in the mirror indicates the time 7:10. Then the time on the clock is:
  A)
   7 : 10                    
  done clear
  B)
   4 : 50
  done clear
  C)
   5 : 40                    
  done clear
  D)
   10 : 7
  done clear
  View Answer play_arrow

• question_answer11) A vertical straight conductor carriers a current upward. A point P lies to the east of it at a small distance and another point Q lies to the west at the same distance. The magnetic field at P is:
  A)
   greater than Q
  done clear
  B)
   same as at Q
  done clear
  C)
   less than at Q
  done clear
  D)
   greater of less than at Q depending upon the strength of current
  done clear
  View Answer play_arrow

• question_answer12) Out of a photon and an electron the equation E = pc, is valid for:
  A)
   both                                    
  done clear
  B)
   neither
  done clear
  C)
   photon only                     
  done clear
  D)
   electron only
  done clear
  View Answer play_arrow

• question_answer13) An observer looks at a tree of height 15 m with a telescope of magnifying power 10. To him the tree appears:
  A)
   10 times taller                  
  done clear
  B)
   15 times taller
  done clear
  C)
   10 times nearer              
  done clear
  D)
   15 times nearer
  done clear
  View Answer play_arrow

• question_answer14) An inductor is connected to a battery through a switch. Induced emf is \[{{e}_{1}}\] when the switch is pressed and \[{{e}_{2}}\] when the switch is opened. Then:
  A)
   \[{{e}_{1}}={{e}_{2}}\]                 
  done clear
  B)
   \[{{e}_{1}}>{{e}_{2}}\]
  done clear
  C)
    \[{{e}_{1}}<{{e}_{2}}\]                
  done clear
  D)
   \[{{e}_{1}}>/<{{e}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer15) The plates of a parallel plate capacitor are not exactly parallel. The surface charge density is therefore:
  A)
   lower at the closer end
  done clear
  B)
   will not be uniform
  done clear
  C)
   each plate will have the same potential at every point
  done clear
  D)
    and  both
  done clear
  View Answer play_arrow

• question_answer16) Certain neutron stars (extremely dense stars) are believed to be rotating at about 1 rev/s. If such a star has a radius of 20 km, the acceleration of an object on the equator of the star will be:
  A)
  \[20\times {{10}^{3}}m/{{s}^{2}}\]          
  done clear
  B)
  \[120\times {{10}^{3}}m/{{s}^{2}}\]
  done clear
  C)
   \[8\times {{10}^{5}}m/{{s}^{2}}\]           
  done clear
  D)
  \[4\times {{10}^{8}}m/{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer17) The amplitude of a damped oscillator becomes one-half in 1 min. The amplitude after 3 min will be\[\frac{1}{n}\]time the original, where n is:
  A)
   \[2\times 3\]                                    
  done clear
  B)
   \[{{2}^{3}}\]
  done clear
  C)
   \[{{3}^{2}}\]                                     
  done clear
  D)
   \[3\times {{2}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer18) According to Bohr's postulates which of the following quantities takes discrete values?
  A)
   Kinetic energy
  done clear
  B)
   Potential energy
  done clear
  C)
   Angular momentum
  done clear
  D)
   Momentum
  done clear
  View Answer play_arrow

• question_answer19) Even an ideal heat engine cannot give 100% efficiency because:
  A)
   we cannot prevent radiation
  done clear
  B)
   we cannot find ideal sources
  done clear
  C)
   we cannot reach absolute zero
  done clear
  D)
   we cannot eliminate friction
  done clear
  View Answer play_arrow

• question_answer20) A beam of light after reflection on a plane mirror forms a real image. The beam is:
  A)
   convergent
  done clear
  B)
   divergent
  done clear
  C)
   parallel to axis
  done clear
  D)
   parallel but not to axis of mirror
  done clear
  View Answer play_arrow

• question_answer21) A magnetic needle suspended by a silk-thread is vibrating in the earth's magnetic field. If the temperature of the needle is increased by \[1000{}^\circ C,\] then:
  A)
   the needle stops vibrating
  done clear
  B)
   the time period decreases
  done clear
  C)
   the time period increases
  done clear
  D)
   the time period remains unchanged
  done clear
  View Answer play_arrow

• question_answer22) When a copper voltammeter is connected with a battery emf 12 y 2g of copper is deposited in 30 min. If the same voltammeter is connected across 6 V battery, then the mass of the copper deposited in 45 min would be:
  A)
   1 g                                        
  done clear
  B)
   1.5 g
  done clear
  C)
   2g                                         
  done clear
  D)
   2.5g
  done clear
  View Answer play_arrow

• question_answer23) A parallel plate capacitor is connected to a battery. The plates are pulled apart with a uniform speed v. If\[x\]is the separation between the plates, then the time rate of change of the electrostatic energy of the condenser is proportional to:
  A)
   \[{{x}^{2}}\]                                     
  done clear
  B)
    \[x\]
  done clear
  C)
   \[\frac{1}{x}\]                                  
  done clear
  D)
    \[\frac{1}{{{x}^{2}}}\]
  done clear
  View Answer play_arrow

• question_answer24) In common-emitter transistor amplifier, the phase difference between output voltage and input voltage is:
  A)
   \[0{}^\circ \]                                     
  done clear
  B)
  \[180{}^\circ \]
  done clear
  C)
   \[90{}^\circ \]                                  
  done clear
  D)
  \[45{}^\circ \]
  done clear
  View Answer play_arrow

• question_answer25) The half-life of radium is 1620 year and its atomic weight is 226. The number of atoms that will decay from its 1 g sample per second will be:
  A)
   \[3.6\times {{10}^{10}}\]            
  done clear
  B)
   \[3.6\times {{10}^{12}}\]
  done clear
  C)
   \[3.1\times {{10}^{15}}\]            
  done clear
  D)
   \[31.1\times {{10}^{15}}\]
  done clear
  View Answer play_arrow

• question_answer26) Let\[[{{\varepsilon }_{0}}]\]denote the dimensional formula of the permittivity of the vacuum and\[[{{\mu }_{0}}]\]at of the permittivity    of    the    vacuum.    If M = mass, L = length, T = time and I = electric current: (1) \[[{{\varepsilon }_{0}}]=[{{M}^{-1}}{{L}^{-3}}{{T}^{2}}I]\] (2) \[[{{\varepsilon }_{0}}]=[{{M}^{-1}}{{L}^{-3}}{{T}^{4}}{{I}^{2}}]\] (3) \[[{{\mu }_{0}}]=[ML{{T}^{-2}}{{I}^{-2}}]\] (4) \[[{{\mu }_{0}}]=[M{{L}^{2}}{{T}^{-1}}I]\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer27) In the case of projectile motion of two projectiles, A and B are projected with the same speed at angles\[15{}^\circ \]and\[75{}^\circ \]respectively to the horizontal, then: (1) \[{{H}_{A}}<{{H}_{B}}\]                          (2) \[{{H}_{A}}>{{H}_{B}}\] (3) \[{{T}_{A}}>{{T}_{B}}\]                            (4) \[{{T}_{A}}<{{T}_{B}}\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer28) A block is suspended by an ideal spring of force constant k. If the block is pulled down by applying a constant force F and if maximum displacement of block from its initial position of rest is\[\delta \]then: (1) \[\frac{F}{k}<\delta <\frac{2F}{k}\] (2)  \[\delta =\frac{2F}{k}\] (3) work done by the force is equal to \[F\delta \] (4) increases in energy stored in spring is \[\frac{1}{2}k{{\delta }^{2}}\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer29) The magnitudes of the gravitational field at distance\[{{r}_{1}}\]and\[{{r}_{2}}\]from the centre of a uniform sphere of radius R and mass M are\[{{F}_{1}}\]and\[{{F}_{2}}\] respectively. Then: (1) \[\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{r}_{1}}}{{{r}_{2}}}\]if\[{{r}_{1}}<R\]and\[{{r}_{2}}<R\] (2) \[\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{r_{2}^{2}}{r_{1}^{2}}\]if\[{{r}_{1}}>R\]and\[{{r}_{2}}>R\] (3) \[\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{r}_{1}}}{{{r}_{2}}}\]if\[{{r}_{1}}>R\]and\[{{r}_{2}}>R\] (4) \[\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{r_{1}^{2}}{r_{2}^{2}}\]if\[{{r}_{1}}<R\]and\[{{r}_{2}}<R\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer30) Function\[x=A{{\sin }^{2}}\omega t+B{{\cos }^{2}}\omega t\] \[+C\sin \omega t\cos \omega t\]of represents SHM: (1) for any value of A, B and C (except\[C=0\]) (2) If\[A=-B,C=2B,\]amplitude\[=|B\sqrt{2}|\] (3) If\[A=B,\text{ }C=2B,\]amplitude\[=|B|\] (4)If \[A=B,C=0\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer31) A cylindrical vessel of 90 cm height is kept filled upto the brim. It has four holes 1, 2, 3 and 4 which are respectively at heights of 20 cm, 30 cm, 40 cm and 50 cm from the horizontal floor PQ. The water falling at the P maximum horizontal distance from the vessel comes from: (1) hole number 4            (2) hole number 3 (3) hole number 2            (4) hole number 1
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer32) If an oil drop is poured on water, then it will: (1) remain spherical on water surface (2) spread as thin film (3) become distored drop (4) partly spherical and partly distorted
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer33) A wave disturbance in a medium is described by\[y(x,t)=0.02\,\cos \left( 50\pi t+\frac{\pi }{2} \right)\cos (10\pi x),\]where\[x\]and y are in metre and t is in second? (1) A node occurs at\[x=0.15\text{ }m\] (2) An antinode occurs at\[x=0.3\text{ }m\] (3) The speed of wave is\[15\text{ }m{{s}^{-1}}\] (4) The wavelength is 0.2 m
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer34) A bimetallic strip is formed act of two identical strips one of copper and the other of brass. The coefficients of linear expansion of the two metals are\[{{\alpha }_{c}}\]and\[{{\alpha }_{\beta }}\]. On heating, the temperature of the strip goes up by\[\Delta T\]and the strip bends to form an arc of radius of curvature R. Then R is: (1) inversely proportional to\[\Delta T\] (2) proportional to\[|{{\alpha }_{\beta }}-{{\alpha }_{c}}|\] (3) proportional to\[\Delta T\] (4) inversely proportional to\[|{{\alpha }_{\beta }}-{{\alpha }_{C}}|\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer35) For an ideal gas: (1) the change in internal energy in a constant pressure process from temperature\[{{T}_{1}}\]and\[{{T}_{2}}\]is equal to\[n{{C}_{V}}({{T}_{2}}-{{T}_{1}})\]where\[{{C}_{V}}\]is the molar heat capacity at constant volume and n the number of moles of the gas (2) the change in internal energy of the gas and work done by the gas are equal in magnitude in an adiabatic process (3) the internal energy increases in an isothermal process (4) no heat is added or removed in an adiabatic process
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer36) A body of mass M is attached to the lower end of a metal wire, whose upper end is fixed. The elongation of the wire is\[l\]. (1) Loss in gravitational potential energy of M is\[Mgl\] (2) The elastic potential energy stored in the wire is\[\frac{1}{2}Mgl\] (3) The elastic potential energy stored in the wire is\[Mgl\] (4) Heat produced is\[\frac{1}{2}Mgl\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer37) When a metal plate is introduced between the two plates of a charged capacitor and insulated from them, then: (1) the metal plate devides the capacitor into two capacitors connected in parallel to each other (2) the metal plate devides the capacitors into two capacitors connected in series with each other (3) the metal plate is equivalent to a dielectric of infinite dielectric constant (4) the metal plate is equivalent to a dielectric of zero dielectric constant
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer38) A parallel plate air capacitor is connected to a battery. The quantities charge, voltage, electric field and energy associated with the capacitor are given by\[{{Q}_{0}},{{V}_{0}},{{E}_{0}}\]and\[{{U}_{0}}\] respectively. A dielectric slab is now introduced to fill the space between the plates with the battery still in connection. The corresponding quantities now given by Q, V, E and U related to the previous one as: (1) \[Q>{{Q}_{0}}\]                          (2)\[V>{{V}_{0}}\] (3) \[E>{{E}_{0}}\]                            (4)\[U>{{V}_{0}}\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer39) The Prongs a vibrating tuning fork are immersed in water. Then: (1) amplitude of the waves decreases (2) velocity of the waves decreases (3) frequency of the waves decreases (4) wavelength of the waves increases
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer40) Two identical double convex lenses each of the focal length/are made of glass of\[\mu =1.5.\]If R is the radius of curvature of each of the four faces. Then: (1) the focal length of combination is half the radius of curvature of any of the four faces (2) the focal length of combination increases if the lenses are separated by a distance\[f\]and the new focal length is twice its focal length when the lenses are in contact (3) the focal length of combination decreases when the lenses are separated by a distance\[f\]and the new focal length is half its focal length when the lenses are in contact (4) none of the above
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer41) Two resistors when connected in series have an equivalent resistance of \[9\,\Omega \]and when connected in parallel have an equivalent resistance of\[2\,\Omega \]. The value of these resistance of are: (1) \[2\,\Omega \]and\[9\,\Omega \]                    (2)\[3\,\Omega \]and \[6\,\Omega \] (3) \[6\,\Omega \]and \[3\,\Omega \]                   (4)\[3\,\Omega \]and \[9\,\Omega \]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer42) Capacitor\[{{C}_{1}}\]of capacitance\[1\,\mu F\]and capacitor\[{{C}_{2}}\] of capacitance 2uF are separately charged fully by a common battery. The two capacitors are then separately allowed to discharge through equal resistors at time\[t=0\]. (1) The currents in the two discharging circuits at\[t=0\]are equal but not zero (2) The current in each of the two discharging circuits is zero at\[t=0\] (3) The current in the two discharging circuits at\[t=0\]are unequal (4) Capacitor\[{{C}_{1}}\]losses 50% of its initial charge sooner than\[{{C}_{2}}\]losses 50% of its initial charge
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer43) In which of the following situations will there be no force? (1) A positive charge projected pass a piece of soft iron (2) A positive charge sent along the axis of a solenoid (3) Two parallel wires carrying current in the same direction (4) A positive charge projected between the poles of a magnet.
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer44) When photons of energy 4.25 eV strike the surface of a metal A, the ejected photoelectrons have maximum kinetic energy. \[{{T}_{A}}\]expressed in eV and the de-Broglie wavelength\[{{\lambda }_{A}}\]. The maximum kinetic energy of photoelectrons liberated from another metal B by photons of energy 4.70 eV is\[{{T}_{B}}=({{T}_{A}}-1.5eV)\]. If the de-Broglie wavelength of these photoelectrons is\[{{\lambda }_{B}}=2{{\lambda }_{A}},\]then: (1) the work function of A is 2.25 eV (2) the work function of B is 4.20 eV (3) \[{{T}_{B}}=2.7\text{ }eV\] (4) \[{{T}_{A}}=2.00\text{ }eV\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer45) Let\[{{\lambda }_{\alpha }},{{\lambda }_{B}}\]and\[\lambda _{\alpha }^{'}\]denote the wavelength of the X-rays of the\[{{K}_{\alpha }},{{K}_{B}}\]and\[{{L}_{\alpha }}\]lines in the characteristics, X-rays for a metal: (1) \[\lambda _{\alpha }^{'}>\lambda _{\beta }^{'}>\lambda _{\alpha }^{{}}\]     (2) \[\lambda _{\alpha }^{'}>\lambda _{\alpha }^{'}>\lambda _{\beta }^{{}}\] (3) \[\frac{1}{{{\lambda }_{\beta }}}=\frac{1}{{{\lambda }_{\alpha }}}+\frac{1}{\lambda _{\alpha }^{'}}\]                (4) \[\frac{1}{{{\lambda }_{\alpha }}}+\frac{1}{{{\lambda }_{\beta }}}=\frac{1}{\lambda _{\alpha }^{'}}\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer46) A nuclide A undergoes a-decay and another nuclide B undergoes\[\beta -\]decay. (1) All the a-particles emitted by A will have almost the same speed (2) The a-particles emitted by A may have widely different speeds (3) All the P-particles emitted by B will have almost the same speed (4) The p-particles emitted by B may have widely different speeds.
  A)
  1 and 2 are correct
  done clear
  B)
  2 and 3 are correct
  done clear
  C)
  1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer47) The meniscus of a liquid obtained in one of the limbs of a narrow\[U-\]tube is held in an electromagnet with the meniscus in line with the field. The liquid is seen to rise. This indicates that the liquid is: (1) paramagnetic              (2) ferromagnetic (3) diamagnetic                 (4) non-magnetic
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer48) The magnetic flux linked with a coil is\[\phi \]and the emf induced in it is e. Then: (1) if\[\phi \ne 0,e\]cannot be 0 (2) if\[\phi =0,e\]must be 0 (3) if\[e\ne 0,\phi \]may not be zero (4) none of the above is correct
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer49) In an n-p-n transistor circuit, the collector current is 10 mA. If 90% of the electrons are able to reach the collector: (1) the emitter current will be 9 mA (2) the emitter current will be 11 mA (3) the base current will be 1 mA (4) the base current will be 0.1 Ma
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer50) If an increasing temperature, the resistance decreases, then it is: (1) superconductor         (2) semiconductor (3) insulator                        (4) none of these
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 and correct
  done clear
  D)
   1, 2 and 4 are correct
  done clear
  View Answer play_arrow

• question_answer51) Among the following the weakest base is:
  A)
  \[{{H}^{-}}\]                                      
  done clear
  B)
  \[CH_{3}^{-}\]
  done clear
  C)
   \[C{{H}_{3}}{{O}^{-}}\]                                
  done clear
  D)
  \[C{{l}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer52) Molecule having least dipole moment is:
  A)
  \[{{(C{{H}_{3}})}_{2}}C{{H}_{2}}\]
  done clear
  B)
   \[C{{H}_{2}}==CHC\equiv \equiv CH\]
  done clear
  C)
   \[C{{H}_{3}}C{{H}_{2}}C\equiv \equiv CH\]
  done clear
  D)
   \[{{H}_{3}}C.C\equiv \equiv CC{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer53) If 2.0 g of a radioactive isotope has a half-life of 20 h, the half-life of 0.25 g of the same substance is:
  A)
  20 h                                       
  done clear
  B)
  80 h
  done clear
  C)
  5 h                                         
  done clear
  D)
   10 h
  done clear
  View Answer play_arrow

• question_answer54) \[K{{O}_{2}}\]is used in oxygen cylinders in space and submarine because it:
  A)
  eliminates moisture
  done clear
  B)
  absorbs\[C{{O}_{2}}\]
  done clear
  C)
  produces ozone
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer55) On heating quick lime with coke in an electric furnace we get:
  A)
  Ca and\[C{{O}_{2}}\]                     
  done clear
  B)
  \[CaC{{O}_{3}}\]
  done clear
  C)
  \[CaO\]                               
  done clear
  D)
  \[Ca{{C}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer56) The refluxing of\[{{(C{{H}_{2}})}_{2}}NCOC{{H}_{3}}\]with acid gives:
  A)
  \[2C{{H}_{3}}N{{H}_{2}}+C{{H}_{3}}COOH\]
  done clear
  B)
  \[2C{{H}_{3}}OH+C{{H}_{3}}CON{{H}_{2}}\]
  done clear
  C)
   \[{{(C{{H}_{3}})}_{2}}NH+C{{H}_{3}}COOH\]
  done clear
  D)
  \[{{(C{{H}_{3}})}_{2}}NCOOH+C{{H}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer57) The material used in warfare in making smoke screens for military purposes is:
  A)
  \[P{{H}_{3}}\]                                   
  done clear
  B)
  \[PC{{l}_{5}}\]
  done clear
  C)
   \[SiC{{l}_{4}}\]                 
  done clear
  D)
  \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer58) Which of the following is not isoelectronic?
  A)
   \[N{{a}^{+}}\]                                  
  done clear
  B)
   \[M{{g}^{2+}}\]
  done clear
  C)
    \[{{O}^{2-}}\]                                  
  done clear
  D)
   \[C{{l}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer59) From which of the following t-butyl alcohol is obtained by the action of methyl magnesium bromide?
  A)
   HCHO                                  
  done clear
  B)
  \[C{{H}_{3}}COC{{H}_{3}}\]
  done clear
  C)
  \[C{{H}_{3}}CHO\]                          
  done clear
  D)
  \[C{{O}_{2}}\]                   Tertiary butyl alcohol is formed from \[C{{H}_{3}}MgBr\]and acetone.
  done clear
  View Answer play_arrow

• question_answer60) Which of the following has pn - dn bonding?
  A)
  \[NO_{3}^{-}\]                                 
  done clear
  B)
  \[SO_{3}^{2-}\]
  done clear
  C)
   \[BO_{3}^{3-}\]                              
  done clear
  D)
   \[CO_{3}^{2-}\]
  done clear
  View Answer play_arrow

• question_answer61) At STP the order of mean square velocity of molecules of\[{{H}_{2}},{{N}_{2}},{{O}_{2}}\]and\[HBr\]is:
  A)
   \[{{H}_{2}}>{{N}_{2}}>{{O}_{2}}>HBr\]
  done clear
  B)
   \[HBr>{{O}_{2}}>{{N}_{2}}>{{H}_{2}}\]
  done clear
  C)
  \[HBr>{{H}_{2}}>{{O}_{2}}>{{N}_{2}}\]
  done clear
  D)
  \[{{N}_{2}}>{{O}_{2}}>{{H}_{2}}>HBr\]
  done clear
  View Answer play_arrow

• question_answer62) The shape of gaseous\[SnC{{l}_{2}}\]is:
  A)
   angular               
  done clear
  B)
   linear
  done clear
  C)
   tetrahedral                       
  done clear
  D)
   T-shaped
  done clear
  View Answer play_arrow

• question_answer63) Which of the following metal is found in gun metal, monel metal and brass alloy?
  A)
   Zn                                         
  done clear
  B)
   Hg
  done clear
  C)
    Fe                                        
  done clear
  D)
   Cu
  done clear
  View Answer play_arrow

• question_answer64) According to Lewis the ligands are:
  A)
   acidic in nature
  done clear
  B)
   basic in nature
  done clear
  C)
   neither acidic nor basic
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer65)  The following compound is used as:
  A)
   analgesic            
  done clear
  B)
   hypnotic
  done clear
  C)
   antiseptic          
  done clear
  D)
   antimalarials
  done clear
  View Answer play_arrow

• question_answer66) Diamond is a:
  A)
   ionic crystal      
  done clear
  B)
   covalent crystal
  done clear
  C)
   metallic crysal                  
  done clear
  D)
   molecular crystal
  done clear
  View Answer play_arrow

• question_answer67) An aqueous solution freezes at\[-0.186{}^\circ C,\] what is the elevation in boiling point? \[({{k}_{f}}=1.86,{{k}_{b}}=0.512)\]
  A)
   0.186                                   
  done clear
  B)
   0.512
  done clear
  C)
    0.0512                                
  done clear
  D)
   0.86
  done clear
  View Answer play_arrow

• question_answer68) The reference electrode is made from which of the following?
  A)
  \[ZnC{{l}_{2}}\]                                
  done clear
  B)
  \[CuS{{O}_{4}}\]
  done clear
  C)
   \[H{{g}_{2}}C{{l}_{2}}\]                
  done clear
  D)
  \[HgC{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer69) Assuming fully decomposed, the volume of \[C{{O}_{2}}\]released at STP on heating 9.85 g of \[BaC{{O}_{3}}\](at. wt. of\[Ba=137\]) will be:
  A)
   1.12L                                    
  done clear
  B)
   0.84L
  done clear
  C)
   2.24 L                                   
  done clear
  D)
   4.06 L
  done clear
  View Answer play_arrow

• question_answer70) The frequency of yellow light having wavelength 600 nm is:
  A)
   \[5\times {{10}^{14}}Hz\]           
  done clear
  B)
  \[5\times {{10}^{17}}Hz\]
  done clear
  C)
   \[2.5\times {{10}^{14}}Hz\]       
  done clear
  D)
  \[2.5\times {{10}^{7}}Hz\]
  done clear
  View Answer play_arrow

• question_answer71) Which of the following represents the correct sets of the four quantum numbers of 4 d electrons?
  A)
   \[4,\text{ }3,\text{ }2,+\frac{1}{2}\]      
  done clear
  B)
  \[4,\text{ }2,\text{ }1,\text{ }0\]
  done clear
  C)
    \[4,\text{ }3,\text{ }-2,+\frac{1}{2}\]                    
  done clear
  D)
  \[4,\text{ }2,\text{ }1,-\frac{1}{2}\]
  done clear
  View Answer play_arrow

• question_answer72) A mixture of iodine and sand can be separated by:
  A)
   sublimation      
  done clear
  B)
   crystallization
  done clear
  C)
   filteration          
  done clear
  D)
   distillation
  done clear
  View Answer play_arrow

• question_answer73) Number of gram of oxygen in 322 g of\[N{{a}_{2}}S{{O}_{4}}-10{{H}_{2}}O\]is:
  A)
   20.8                                      
  done clear
  B)
   224
  done clear
  C)
   208                                       
  done clear
  D)
   22.4
  done clear
  View Answer play_arrow

• question_answer74) If \[{{N}_{2}}+3{{H}_{2}}2N{{H}_{3}}-K\] \[2N{{H}_{2}}+6{{H}_{2}}4N{{H}_{3}}-{K}'\] Then K' will be:
  A)
   \[{{K}^{2}}\]                                     
  done clear
  B)
   \[\sqrt{K}\]
  done clear
  C)
   \[\frac{1}{\sqrt{K}}\]                    
  done clear
  D)
   \[\frac{1}{{{K}^{2}}}\]
  done clear
  View Answer play_arrow

• question_answer75) During the extraction of silver which of the following is formed?
  A)
  \[Na[Ag{{(CN)}_{2}}]\]                 
  done clear
  B)
   \[N{{a}_{2}}[Ag{{(CN)}_{2}}]\]
  done clear
  C)
   \[N{{a}_{4}}[Ag{{(CN)}_{2}}]\]                 
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer76) Which of the following pairs of elements have almost similar atomic radii? (1) \[Zr,\text{ }Hf\]                         (2)\[Mo,\text{ }W\] (3) \[Co,\text{ }Ni\]                        (4)\[Sn,\text{ }Pb\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer77) Goemetrical isomerism is shown by: (1) \[{{C}_{2}}{{H}_{2}}C{{l}_{2}}\]            (2) \[{{C}_{2}}{{H}_{5}}NO\] (3) \[C{{H}_{3}}CH==C{{H}_{2}}\]              (4) \[C{{H}_{3}}C{{H}_{2}}OH\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer78) Which molecules have dipole moment? (1) \[CC{{l}_{4}}\] (2) \[{{H}_{2}}O\] (3) \[C{{O}_{2}}\] (4) Cis-1, 2-dichloroethene
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer79) Carius method is applicable for estimation of: (1) nitrogen (2) sulphur (3) carbon and hydrogen (4) halogens
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer80) Tetraethyl lead is a: (1) poisonous compound present in petrol (2) antiknock compound (3) component of ethyl fluid (4) propellants
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer81) Malonic acid gives on heating: (1)\[C{{O}_{2}}\]                              (2)\[C{{H}_{3}}COOH\] (3)\[C{{H}_{4}}\]                              (4)\[HCOOH\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer82) Which compounds give Cannizaro's reaction? (1)\[HCHO\]                       (2) \[{{C}_{6}}{{H}_{5}}CHO\] (3)\[C{{H}_{3}}C{{H}_{2}}CHO\]                 (4) \[C{{H}_{3}}COC{{H}_{3}}\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer83) Hydroxylamine reacts with: (1)\[C{{H}_{3}}COCl\]                     (2)\[C{{H}_{3}}COC{{H}_{3}}\] (3) \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\]                (4) \[C{{h}_{3}}CON{{H}_{2}}\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer84) Which are natural polymers? (1) Starch            (2) Cellulose (3) Nucleic acid                  (4) SBR
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer85) Which is not true for physical adsorption? (1) It forms mono-molecular layers (2) It is irreversible (3) The forces present weak van der-Waals' forces (4) rate of adsorption increases with increase in pressure of adsorbate
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer86) The function of salt bridge is: (1) it completes the electrical circuit (2) it supply the current (3) it maintains electrical neutrality of two half cell solutions (4) it acts as electrolyte
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer87) If the limiting radius ratio\[\left( \frac{{{r}^{+}}}{{{r}^{-}}} \right)\]is the range of 0.225 to 0.414, there is:  tetrahedral voids  co-ordination number 4  zinc blende structure \[NaCl\]type structure
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer88) Which transitional metal ions are colourless? (1) \[T{{i}^{4+}}\]                                             (2) \[C{{u}^{+}}\] (3) \[Z{{n}^{2+}}\]                           (4) \[C{{u}^{3+}}\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer89) Which are the example of lyophilic colloids? (1) Rubber          (2) Metal sulphide (3) Starch                             (4)\[Al{{(OH)}_{3}}\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer90) Heavy water is used as: (1) moderator                   (2) controller (3) coolant                          (4) fuel rods
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer91) The Lewis acids among the following are: (1) \[B{{F}_{3}}\]                                              (3)\[AlC{{l}_{3}}\] (3) \[BeC{{l}_{2}}\]                          (4)\[{{H}_{2}}O\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer92) Which are the ore of lead? (1) Galena                           (2) Cinnabar (3) Cerussite                      (4) Pyrolusite
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer93) Decrease in atomic number is observed during: (1) \[\alpha -\]emission                (2) positron emission (3) electron capture        (4)\[\beta -\]emission
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer94) White phosphorus has: (1) six P-P single bonds (2) four lone pairs of electrons (3) P?P?P angle of\[60{}^\circ \] (4) four\[P-P\]single bonds
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer95) \[s{{p}^{3}}-{{d}^{2}}\]hybridisation is found in: (1)\[S{{F}_{6}}\]                               (2)\[I{{F}_{5}}\] (3) \[I{{F}_{7}}\]                                               (4)\[P{{F}_{5}}\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer96) An aromatic molecule will: (1) have\[(4\pi +2)\pi \]electrons (2) be planar (3) be cyclic (4) have\[4n-\pi \] electrons
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer97) Resonance structure of a molecule should have: (1) identical arrangement of atoms (2) nearly the same energy (3) the same number of paired electron (4) identical energy
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer98) Which compounds give the Hell-Yolhard- Zeiinsky reaction? (1)\[C{{H}_{3}}C{{H}_{2}}COOH\] (2) \[C{{H}_{3}}CC{{1}_{2}}COOH\] (3) (4)\[HCOOH\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer99) The greater stability of tert-butyl carbocation over methyl carbocation can be explained on the basis of: (1) \[+I\] -effect of the methyl group (2) hyperconjugation effect of the methyl group (3) electromeric effect of the methyl group (4) \[-I\] -effect of the methyl group
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer100) Highly pure dilute solution of sodium in liquid ammonia: (1) shows blue colour (2) exhibits electrical conductivity (3) produces sodium amide (4) produces hydrogen gas.
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer101) ADP contains:
  A)
   one high energy bond
  done clear
  B)
   two high energy bond
  done clear
  C)
   three high energy bond
  done clear
  D)
   four high energy bond
  done clear
  View Answer play_arrow

• question_answer102) Recroviruses have :
  A)
   only RNA as genetic material
  done clear
  B)
   only DNA as genetic material
  done clear
  C)
   both DNA and RNA
  done clear
  D)
   genes on nucleoprotein complexes as genetic Material
  done clear
  View Answer play_arrow

• question_answer103) Which of the following is colourless Hydra ?
  A)
   Hydra fusca     
  done clear
  B)
   Hydra viridis
  done clear
  C)
    Hydra oligactis                
  done clear
  D)
   Hydra vuigaris
  done clear
  View Answer play_arrow

• question_answer104) The process of gastrulation in frog is more complicated than in Amphioxus because of the presence, in frog, of:
  A)
   passive micromere        
  done clear
  B)
   passive macromere
  done clear
  C)
    passive mesomere       
  done clear
  D)
   passive epimere
  done clear
  View Answer play_arrow

• question_answer105) The outermost sheath of connective tissue that surrounds a skeletal muscle is:
  A)
   epimer                               
  done clear
  B)
   epimysium
  done clear
  C)
   epimerite                          
  done clear
  D)
   epimere
  done clear
  View Answer play_arrow

• question_answer106) Mammalian kidney is :
  A)
   pronephros     
  done clear
  B)
   epinephros
  done clear
  C)
   mesonephros                  
  done clear
  D)
   metanephros
  done clear
  View Answer play_arrow

• question_answer107) In man sperms move after ejaculation at a rate  f nearly:
  A)
   2 to 4 mm/minute         
  done clear
  B)
   to 4 feel/minute
  done clear
  C)
   2 to 4 inches/minute    
  done clear
  D)
   2 to 4 cm/minute
  done clear
  View Answer play_arrow

• question_answer108) The blood cells are formed in bone marrow. The process is known as :
  A)
   haemolysis      
  done clear
  B)
   erythroblastosis
  done clear
  C)
   haemopoiesis                  
  done clear
  D)
   thrombopoiesis
  done clear
  View Answer play_arrow

• question_answer109) Transfer of genes from one bacterium to another through viruses, is called :
  A)
   transduction    
  done clear
  B)
   transformation
  done clear
  C)
    transcription                   
  done clear
  D)
   transition
  done clear
  View Answer play_arrow

• question_answer110) Power of regeneration in sponges is due to
  A)
   Thesocytes      
  done clear
  B)
   Amoebocytes
  done clear
  C)
    Archaeocytes                 
  done clear
  D)
   Scleroblast
  done clear
  View Answer play_arrow

• question_answer111) Blood of Pheretima is :
  A)
   blue with haemocyanin in corpuscles
  done clear
  B)
   blue with haemoglobin in corpuscles
  done clear
  C)
   red with haemoglobin in corpuscles
  done clear
  D)
   red with haemoglobin in plasma
  done clear
  View Answer play_arrow

• question_answer112) Function of rectal papillae of cockroach is :
  A)
   absorption of amino acids
  done clear
  B)
   absorption of fats
  done clear
  C)
   absorption of glucose
  done clear
  D)
   absorption of water
  done clear
  View Answer play_arrow

• question_answer113) Blood of Balanoglossus is :
  A)
   red                                       
  done clear
  B)
   blue
  done clear
  C)
   green                                  
  done clear
  D)
   colourless
  done clear
  View Answer play_arrow

• question_answer114) In fishes the lateral line receptors are  euromast organs. These are :
  A)
   olfactoreceptors            
  done clear
  B)
   gustoreceptors
  done clear
  C)
   rheoreceptors                 
  done clear
  D)
   chemo receptors          
  done clear
  View Answer play_arrow

• question_answer115) The flight muscles of birds are attached to :
  A)
   coracoid                             
  done clear
  B)
   scapula
  done clear
  C)
   keel of sternum              
  done clear
  D)
   clavicle
  done clear
  View Answer play_arrow

• question_answer116) Stenson's duct opens at:
  A)
   upper first premolar     
  done clear
  B)
   upper 2nd premolar
  done clear
  C)
   upper first molar
  done clear
  D)
   upper second molar
  done clear
  View Answer play_arrow

• question_answer117) Enterokinase takes part in conversion of :
  A)
   pepsinogen to pepsin
  done clear
  B)
   trypsinogen to trypsin
  done clear
  C)
   protein into polypeptides
  done clear
  D)
   caseinogen into casein
  done clear
  View Answer play_arrow

• question_answer118) Depression of nervous system including the respiratory centre is called :
  A)
   neuritis                               
  done clear
  B)
   sciatica
  done clear
  C)
   neuralgia                           
  done clear
  D)
   narcosis
  done clear
  View Answer play_arrow

• question_answer119) Which has the thickest walls?
  A)
   right atrium     
  done clear
  B)
   left atrium
  done clear
  C)
    right ventricle                 
  done clear
  D)
   left ventricle
  done clear
  View Answer play_arrow

• question_answer120) Digital formula of arms in man is :
  A)
   0, 2, 3, 3, 3                         
  done clear
  B)
   0, 3, 2, 3, 3
  done clear
  C)
   2, 2, 3, 3, 3                         
  done clear
  D)
   2, 3, 3, 3, 3
  done clear
  View Answer play_arrow

• question_answer121) The number of ribs in our body are :
  A)
   10                                         
  done clear
  B)
   12
  done clear
  C)
   24                                         
  done clear
  D)
   36
  done clear
  View Answer play_arrow

• question_answer122) Ventral root of spinal nerve is composed of :
  A)
   somatic motor and visceral sensory fibres
  done clear
  B)
   somatic sensory and visceral sensory fibres
  done clear
  C)
   somatic motor and visceral motor fibres
  done clear
  D)
   somatic sensory and visceral motor fibres
  done clear
  View Answer play_arrow

• question_answer123) Reissner's membrane is present in between the:
  A)
   scala media and scala tympani
  done clear
  B)
   scala vestibuli and scala media
  done clear
  C)
   scala vestibuli and scala tympani
  done clear
  D)
   tectorial membrane and organ of Corti
  done clear
  View Answer play_arrow

• question_answer124) Epinephrine is :
  A)
   secreted from adrenal medulla and decreases heart beats
  done clear
  B)
   secreted  from adrenal  medulla and increases heart beats
  done clear
  C)
   secreted from pancreas and regulates glucose level
  done clear
  D)
   secreted from pancreas and decreases glucose level
  done clear
  View Answer play_arrow

• question_answer125) The capsule enclosing testes of mammal is, called as :
  A)
   tunica albuginea             
  done clear
  B)
   tunica membrane
  done clear
  C)
   tunica vaginalis                
  done clear
  D)
   tunica vasculosa
  done clear
  View Answer play_arrow

• question_answer126) Diabetes is established by : (1) occurrence of sugar in urine (2) blood sugar level (3) insulin level in blood (4) blood protein level
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer127) Which of the following statements are correct: (1) mitocondria contain DNA (2) 70S ribosomes occur in prokaryote (3) Ribosomes are made up of phospholipids and oligosaccharide (4) ribosomes are not found in Protista and  Monera
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer128) Cells regulate their activity through : (1) flow of energy            (2) flow of material (3) flow of information (4) flow of smoke
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer129) Which of the following match is correct ? (1) Flame celts?Flatworm (2) Marsupium ? Kangaroo (3) Water vascular system ? Sponge (4) Pheretima ? Parapodia
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer130) Annelida is advanced over nematoda in having: (1) Closed circulation (2) meiameric segmentation (3) true coelom (4) flame cells
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer131) Microtubules take part in : (1) formation of spindle fibres (2) movement of cilia and flagella (3) cyclosis (4) respiration
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer132) Chromatin consists of: (1) RNA                                (3) DNA (3) Matrix                            (4) Histones
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer133) Lysosomes function is : (1) extracelluair digestion (2) fat break down (3) intra-cellular digestion (4) food formation
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer134) Haemoglobin is : (1) oligomeric protein    (2) chromoprotein (3) monomeric protein (4) keratin
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer135) Alleles represent: (1) different forms of a gene (2) sameloci on homologous chromosomes (3) two or more forms (4) only one form
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer136) Which is applicable to mutations ? (1) They are inheritable genetic changes (2) Many of them remain undetected (3) They can be induced artificially (4) They are possible only in diploid cells
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer137) Cytoplasmic inheritance is due to : (1) mitochondira                              (2) cilia (3) cytoplasmic particles                (4) cell wall
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer138) Genetic code consists of: (1) r-RNA                                             (2) adenine and guanine (3) lysosome (4) cytosine and uracil
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer139) Which one is true ? (1) A = T, G = C                                  (2) A = G, T = C (3) C = G, T = A                                  (4) T = U, G = A
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer140) Hypervariable repeat sequences or Variable number of Tandem repeats (VNTRs) are : (1) introns of split genes (2) minisatellites (3) Ban-body (4) Flanked by conserved restriction sites
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer141) Chromaiophores of frog consists of : (1) lipophores       (2) guanophroes (3) melanophores             (4) neumatophores
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer142) MyoHbrils show dark and light bands in : (1) cardiac muscles          (2) striped muscles (3) unstriped muscles    (4) neuron
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer143) Synovial joint is : (1) ball and socket joint                 (2) pivot joint (3) hinge joint                    (4) cartilagenous joints
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer144) Body co-ordination is maintained by : (1) nervous system         (2) circulatory system (3) endocrine system     (4) excretory system
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer145) Broca area controls : (1) breathing (2) movement of vocal cords (3) movement of teeth (4) movement of tongue
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer146) An important function of progesterone is : (1)prepare uterus for pregnancy (2)implantation of embryo (3)maintenance of pregnancy (4)stimulate ADH
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer147) Adrenalin hormone increases : (1) blood pressure           (2) heart beat (3) blood glucose level   (4) arteriosclerosis
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer148) Mammalian palate is : (1) primary structure (2) parallel to original roof of mouth cavity (3) ternary structure (4) secondary structure
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer149) Menstrual cycle is controlled by: (1) estrogen and progesterone of ovary (2) FSH of pituitary (3) FSH and LH of pituitary (4) Oxytocin hormone
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer150) B-lymphocytes are : (1) formed in bone marrow (2) preprocessed in bone marrow (3) preprocessed in liver (4) formed in thymus
  A)
   1,2 and 3 are correct.    
  done clear
  B)
   1 and 2 are correct.
  done clear
  C)
   2 and 4 are correct.       
  done clear
  D)
   1 and 3 are correct.
  done clear
  View Answer play_arrow

• question_answer151) Population density is the:
  A)
  number of species per community
  done clear
  B)
  number of communities per ecosystem
  done clear
  C)
  number of individuals per species
  done clear
  D)
  number of individuals per species per unit area or volume
  done clear
  View Answer play_arrow

• question_answer152) The transitional zone where two different communities meet, is called:
  A)
   ecad                                    
  done clear
  B)
   ecotone
  done clear
  C)
   ecotype                             
  done clear
  D)
   ecophene
  done clear
  View Answer play_arrow

• question_answer153) Mescaline. an alkaloid is found in :
  A)
   Laphphora williamsii     
  done clear
  B)
   Claviceps purpurea
  done clear
  C)
    Psilocybe Mexicana
  done clear
  D)
   Piptademia peregrine
  done clear
  View Answer play_arrow

• question_answer154) "AA" stands for:
  A)
   abnormal Action
  done clear
  B)
   Anomalous Behaviour
  done clear
  C)
   Alcoholics Anonymous
  done clear
  D)
   Alcoholics Action
  done clear
  View Answer play_arrow

• question_answer155) Vagina (hypopodium = leaf base) is pulvinusin:
  A)
   grasses                               
  done clear
  B)
   all legumes
  done clear
  C)
     some legumes              
  done clear
  D)
   legumes and grasses
  done clear
  View Answer play_arrow

• question_answer156) The florets in capitulum of sun flower are arranged in a manner :
  A)
   centrifugal                        
  done clear
  B)
   centripetal
  done clear
  C)
   acropetal                           
  done clear
  D)
   basipetal
  done clear
  View Answer play_arrow

• question_answer157) Which of the following statements is correct?
  A)
   xylem is made of all living cells
  done clear
  B)
   xylem is made of living and non living cells
  done clear
  C)
   xylem is made of non-living cells
  done clear
  D)
   xylem does not contain cells
  done clear
  View Answer play_arrow

• question_answer158) Which cells decay faster, if exposed freely to the air?
  A)
   heart wood                      
  done clear
  B)
   sap wood
  done clear
  C)
    wood rich in fibres        
  done clear
  D)
   soft wood
  done clear
  View Answer play_arrow

• question_answer159) Parthenogamy represents the :
  A)
   union of two vegetative nuclei .
  done clear
  B)
   union of two parent hyphae
  done clear
  C)
   union of two gametes of one sex
  done clear
  D)
   union of three gametes
  done clear
  View Answer play_arrow

• question_answer160) To obtain naked protoplasts during somatic hybridization the enzymes needed are :
  A)
   cellulase and protease
  done clear
  B)
   cellulase and amylase
  done clear
  C)
    cellulase and pectinase
  done clear
  D)
   cellutase and lipase
  done clear
  View Answer play_arrow

• question_answer161) The entry of water into root hairs is due to the force :
  A)
   atmospheric pressure
  done clear
  B)
   osmotic pressure
  done clear
  C)
    turgor pressure
  done clear
  D)
   suction pressure
  done clear
  View Answer play_arrow

• question_answer162) Reduced availability of nitrogen during late growth causes :
  A)
   increase in the carbohydrate content of fruits and storage organs
  done clear
  B)
   decrease in the carbohydrate content of fruits and storage organs
  done clear
  C)
   increase in the ethylene content of fruits and storage organs
  done clear
  D)
   decrease in the ethylene content of fruits and storage organs
  done clear
  View Answer play_arrow

• question_answer163) Law of limiting factors is concerned with :
  A)
  internal factors affecting transpiration
  done clear
  B)
   external factors affecting photosynthesis
  done clear
  C)
    external factors affecting growth
  done clear
  D)
   internal factors affecting respiration
  done clear
  View Answer play_arrow

• question_answer164) The emperical formula for chlorophyll-b is :
  A)
   \[{{\text{C}}_{\text{54}}}{{\text{H}}_{\text{70}}}{{\text{O}}_{\text{6}}}{{\text{N}}_{\text{4}}}\text{Mg}\]        
  done clear
  B)
   \[{{\text{C}}_{\text{55}}}{{\text{H}}_{\text{70}}}{{\text{O}}_{\text{6}}}{{\text{N}}_{\text{4}}}\text{Mg}\]
  done clear
  C)
   \[{{\text{C}}_{45}}{{\text{H}}_{\text{72}}}{{\text{O}}_{5}}{{\text{N}}_{4}}\text{Mg}\]
  done clear
  D)
   \[{{\text{C}}_{45}}{{\text{H}}_{\text{72}}}{{\text{O}}_{\text{6}}}{{\text{N}}_{5}}\text{Mg}\]
  done clear
  View Answer play_arrow

• question_answer165) The non-auxin herbicide which is used to kill broad leaved plants in grass lawns is :
  A)
   diquat                                 
  done clear
  B)
   dinitrophenol
  done clear
  C)
   dalapon                              
  done clear
  D)
   dicamba
  done clear
  View Answer play_arrow

• question_answer166) In tissue culture :
  A)
   normal cells behave as cancer cells
  done clear
  B)
   normal cells behave as normal cells
  done clear
  C)
   cancer cells behave as normal cells
  done clear
  D)
   cancer cells form callus
  done clear
  View Answer play_arrow

• question_answer167) Coliphage \[\phi \]X 174 contains :
  A)
   ssRNA                                 
  done clear
  B)
   dsRNA
  done clear
  C)
    ssDNA                                
  done clear
  D)
   dsDNA
  done clear
  View Answer play_arrow

• question_answer168) Which one of the following ratio is constant in DNA of a species :
  A)
   A+T/G + C                         
  done clear
  B)
   A+G/T+C
  done clear
  C)
   A+C/T+G                           
  done clear
  D)
   A+U/T+G
  done clear
  View Answer play_arrow

• question_answer169) The plants of Cladophora crispata occur as :
  A)
   epiphyte                            
  done clear
  B)
   endophyte
  done clear
  C)
   endozoic                            
  done clear
  D)
   epizoic
  done clear
  View Answer play_arrow

• question_answer170) Mycorrhiza is :
  A)
   association of root and bacteria
  done clear
  B)
   association of root and fungi
  done clear
  C)
   association of root and algae
  done clear
  D)
   parasitic root
  done clear
  View Answer play_arrow

• question_answer171) Prions are :
  A)
   infections nucleic add   infectious lipids
  done clear
  B)
   infectious proteins
  done clear
  C)
    infectious nucleo proteins
  done clear
  D)
                   Prions are obligate parasite made of proteins only e. g., scrapie in sheep and goats, mad cow disease.
  done clear
  View Answer play_arrow

• question_answer172) A venter is a part of:
  A)
   sporophyte                      
  done clear
  B)
   sporangium
  done clear
  C)
    antheridium                    
  done clear
  D)
   archegonium
  done clear
  View Answer play_arrow

• question_answer173) The function of the peristome in moss is:
  A)
   spore dispersal
  done clear
  B)
   nutritive
  done clear
  C)
   protective
  done clear
  D)
   absorption of water and minerals
  done clear
  View Answer play_arrow

• question_answer174) The species of the following plant, are  sometimes described as 're-surrection plants':
  A)
   Pleopeltis         
  done clear
  B)
   Lycopodium
  done clear
  C)
   Equisetum        
  done clear
  D)
   Selaginella
  done clear
  View Answer play_arrow

• question_answer175) In Kalanchoe, the epiphyllous buds producing roots occur on:
  A)
   leaf margin only
  done clear
  B)
   leaf margin and stem
  done clear
  C)
    leaf petiole and stem
  done clear
  D)
   leaf surface only
  done clear
  View Answer play_arrow

• question_answer176) Clay and organic matter of the soil have negative charges. They attract positively charged ions like: (1)\[C{{a}^{2+}}\]                            (2)          \[M{{g}^{2+}}\] (3)\[{{K}^{+}}\]                                 (4) \[A{{l}^{3}}\]
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer177) Non-cyclic photophosphorylation is performed by: (1) dark reaction               (2) \[\text{PS-I}\] (3) only PS-I                                        (4) \[\text{PS-II}\]
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer178) Which one is \[{{C}_{4}}\]plant? (1) Maize                             (2) Sugarcane (3) Wheat                            (4) Rice
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer179) Transpiration rate is dependent upon : (1) stomatal frequency (2) position of stomata (3) state of stomata (4) epidermal cells
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer180) Periblem forms : (1) endodermis                 (2) epidermis (3) cortex                            (4) cuticle
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer181) Raticide poisons are obtained from : (1) Dracaena                                      (2) Scilla (3) Colchicum                                     (4) Urginea
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer182) Edible oil is obtained from seeds of: (1) Helianthus annuus (2) Helianthus tuberosus (3) Carthamus tinctorius (4) Bellis perennis
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer183) Micropyle occurs in : (1) seeds                             (2) ovule (3) ovary                              (4) stigma
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer184) A seed which does not require oxygen for germination? (1) Pea                                  (2) Rice (3) Onion                             (4) Typha
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer185) Which one is a colligative property? (1) Osmotic pressure      (2) Vapour pressure (3) Cohesion force           (4) Surface tension
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer186) Idioblast is : (1) plant cell different from others (2) animal cell different from others (3) plant cell having cell inclusions (4) animal cell having cell inclusions
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer187) DNA can be: (1) A-DNA                           (2) B-DNA (3) Z-DNA                            (4) Y-DNA
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer188) Mitosis is : (1) reduction in chromosome number (2) karyokinesis (3) formation of four daughter nucli (4) cytokinesis
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer189) Variations appear during meiosis due to : (1) independent assortment (2) crossing over (3) linkage                           (4) glycolysis
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer190) Which one has prickles? (1) Lantana camera (2) Argemone mexicana (3) Solanum surattense (4) Mangifera indica
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer191) Which is corect match? (1) Opuntia?bulb (2) Asparagus ? cladodes (3) Ruscus ? phylloclade (4) Citrus ? stem thorns
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer192) Which one of the following is a nut? (1) walnut                           (2) cashew nut (3) ground nut                                   (4) gram
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer193) Hairy styles help in the dispersal of fruits in : (1) Clematis                                        (2) Aristohchia (3) Naravelia                                      (4) Mango
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer194) Which is correct match? (1) Ficus ? Syconus        (2) Tomato ? Berry (3) Mustard ? Siliqua    (4) Lemon ? Sorosis
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer195) In Polygonum type of embryo sac, the cells are: (1) haploid                          (2) diploid (3) triploid                                           (4) polyploidy
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer196) Which is correct statement? (1) seed cannot be formed after on fertilization (2) seed is formed after one fertilization (3) seed is formed before double fertilization (4) fruit is produced after double fertilization
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer197) Hormone used in tissue culture for better  growth is: (1) auxin                              (2) gibberelltn (3) cytokinin                                       (4) vemalin
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer198) Grafting is employed for better and quicker yield of varieties of: (1) apple                              (2) mango (3) citrus                              (4) tea
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer199) Primary root is : (1) positively geotropic (2) positive hydrotropic (3) negative geotropic (4) negative hydrotropic
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer200) Cholodny-Went theory is connected with: (1) Photomorphogenesis (2) Phototropism (3) Nastic movement (4) Geotropism
  A)
   1,2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow