NEET 2014

166 Questions • 180 Minutes • 2014

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Which one of the following are analogous structures ?

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At which stage of HIV infection does one usually show symptoms of AIDS ?

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To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?

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What gases are produced in anaerobic sludge digesters ?

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Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to :

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A scrubber in the exhaust of a chemical industrial plant removes :

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If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain? Plant → mice → snake → peacock

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If force (F), velocity (V) and time (T) are taken as fundamental units, then the dimensions of mass are :

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A projectile is fired from the surface of the earth with a velocity of 5 $ms^{-1}$ and angle θ with the horizontal. Another projectile fired from another planet with a velocity of 3 $ms^{-1}$ at the same angle follows a trajectory which is identical with the trajectory of the projectile fired from the earth. The value of the acceleration due to gravity on the planet is (in $ms^{-2}$) is : (given g = 9.8 $ms^{-2}$)

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A particle is moving such that its position coordinates (x, y) are (2 m, 3 m) at time t = 0, (6 m, 7 m) at time t = 2 s and (13 m, 14 m) at time t = 5 s. Average velocity vector $(\vec{V}_{av})$ from t = 0 to t = 5 s is :

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A balloon with mass 'm' is descending down with an acceleration 'a' (where a < g). How much mass should be removed from it so that it starts moving up with an acceleration 'a' ?

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A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three pieces. Two pieces each of mass (m) move perpendicular to each other with equal speeds (v). The total kinetic energy generated due to explosion is :

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The oscillation of a body on a smooth horizontal surface is represented by the equation, X = A cos(ωt), where X = displacement at time t, ω = frequency of oscillation. Which one of the following graphs shows correctly the variation of 'a' with 't'? (Here a = acceleration at time t, T = time period)

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A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions $s^{-2}$ is :

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The ratio of the accelerations for a solid sphere (mass 'm' and radius 'R') rolling down an incline of angle 'θ' without slipping and slipping down the incline without rolling is :

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A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approximate radius would earth (mass = $5.98 \times 10^{24}$ kg) have to be compressed to be a black hole ?

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Dependence of intensity of gravitational field (E) of earth with distance (r) from centre of earth is correctly represented by :

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Copper of fixed volume 'V' is drawn into wire of length 'l'. When the wire is subjected to a constant force 'F' the extension produced in the wire is 'Δl'. Which of the following graphs is a straight line?

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A certain number of spherical drops of liquid of radius 'r' coalesce to form a single drop of radius 'R' and volume 'V'. If 'T' is the surface tension of the liquid, then :

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Steam at 100°C is passed into 20 g of water at 10°C. When water acquires a temperature of 80°C the mass of water present will be : [Take specific heat of water = 1 cal $g^{-1}$ °$C^{-1}$ and latent heat of steam = 540 cal $g^{-1}$]

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Paper Info

Exam: NEET
Year: 2014
Questions: 166
Duration: 180 mins

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