Solved papers for NEET NEET SOLVED PAPER 2014

done NEET SOLVED PAPER 2014

• question_answer1) If force (F) velocity ($\upsilon$) and time (T) are taken as fundamental units, then the dimensions of mass are [AIPMT 2014]

A) $[Fv{{T}^{-1}}]$

B) $[Fv{{T}^{-2}}]$

C) $[F{{v}^{-1}}{{T}^{-1}}]$

D) $[F{{v}^{-1}}T]$

• question_answer2) A projectile is fired from the surface of the earth with a velocity of 5 $m{{s}^{-1}}$ and angle $\theta$with the horizontal. Another projectile fired from another planet with a velocity of 3 $m{{s}^{-1}}$ 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$m{{s}^{-2}}$) is (given, $g=9.8\,m{{s}^{-2}}$) [AIPMT 2014]

A) 3.5

B) 5.9

C) 16.3

D) 110.8

• question_answer3) A particle is moving such that its position coordinates (x, y) are (2m, 3m) at time t = 0, (6m, 7m) at time t = 2 s and (13m, 14m) at time t = 5 s. Average velocity vector (${{\upsilon }_{a\upsilon }}$) from t = 0 to t = 5 s is [AIPMT 2014]

A) $\frac{1}{5}(13\mathbf{\hat{i}}+14\mathbf{\hat{j}})$

B) $\frac{7}{3}(\mathbf{\hat{i}}+\mathbf{\hat{j}})$

C) $2(\mathbf{\hat{i}}+\mathbf{\hat{j}}).$

D) $\frac{11}{5}(\mathbf{\hat{i}}+\mathbf{\hat{j}})$

• question_answer4) A system consists of three masses ${{m}_{1}},{{m}_{2}}$ and ${{m}_{3}}$ connected by a string passing over a pulley P. The mass ${{m}_{1}}$ hangs freely and ${{m}_{2}}$ and ${{m}_{3}}$ are on a rough horizontal table (the coefficient of friction =$\mu$). The pulley is frictionless and of negligible mass. The downward acceleration of mass ${{m}_{1}}$ is (Assume, ${{m}_{1}}={{m}_{2}}={{m}_{3}}=m$) [AIPMT 2014]

A) $\frac{g(1-g\mu )}{9}$

B) $\frac{2g\mu }{3}$

C) $\frac{g(1-2\mu )}{3}$

D) $\frac{g(1-2\mu )}{2}$

• question_answer5) The force F acting on a particle of mass m is indicated by the force-time graph shown below. The change in momentum of the particle over the time interval from zero to 8 s is [AIPMT 2014]

A) 24 Ns

B) 20 Ns

C) 12Ns

D) 6Ns

• question_answer6) 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? [AIPMT 2014]

A) $\frac{2ma}{g+a}$

B) $\frac{2ma}{g-a}$

C) $\frac{ma}{g+a}$

D) $\frac{ma}{g-a}$

• question_answer7) A body of mass (4w) is lying in $xy$-plane at rest. It suddenly explodes into three pieces. Two pieces each of mass (m) move perpendicular to each other with equal speeds$(\upsilon )$. The total kinetic energy generated due to explosion is [AIPMT 2014]

A) $m{{v}^{2}}$

B) $\frac{3}{2}m{{v}^{2}}$

C) $2m{{v}^{2}}$

D) $4m{{v}^{2}}$

• question_answer8) The oscillation of a body on a smooth horizontal surface is represented by the equation, $X=A\cos (\omega t)$ where X = displacement at time t, $\omega$ = frequency of oscillation. Which one of the following graphs shows correctly the variation a with t? Note:- Here, a = acceleration at time t, T = time period [AIPMT 2014]

A)

B)

C)

D)

• question_answer9) 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 $2\,\,rev/{{s}^{2}}$ is [AIPMT 2014]

A) 25N

B) 50N

C) 78.5N

D) 157N

• question_answer10) The ratio of the accelerations for a solid sphere (mass m and radius R) rolling down an incline of angle $\theta$ without slipping and slipping down the incline without rolling is [AIPMT 2014]

A) 5 : 7

B) 2 : 3

C) 2 : 5

D) 7 : 5

• question_answer11) 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 = $5.98\times {{10}^{24}}kg$ kg) have to be compressed to be a black hole? [AIPMT 2014]

A) ${{10}^{-9}}m$

B) ${{10}^{-6}}m$

C) ${{10}^{-2}}m$

D) 100 m

• question_answer12) Dsependence of intensity of gravitational field (E) of earth with distance (r) from centre of earth is correctly represented by [AIPMT 2014]

A)

B)

C)

D)

• question_answer13) Copper of fixed volume Vis drawn into wire of length$l$. When this wire is subjected to a constant force F, the extension produced in the wire is$\Delta l$. Which of the following graphs is a straight line? [AIPMT 2014]

A) $\Delta l$ versus $\frac{1}{l}$

B) $\Delta l$ versus ${{l}^{2}}$

C) $\Delta l$ versus $\frac{1}{{{l}^{2}}}$

D) $\Delta l$ versus $l$

• question_answer14) A certain number of spherical drops of a 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 [AIPMT 2014]

A) Energy = $4VT\left( \frac{1}{r}-\frac{1}{R} \right)$ is released

B) Energy = $3VT\left( \frac{1}{r}+\frac{1}{R} \right)$ absorbed

C) Energy = $3VT\left( \frac{1}{r}-\frac{1}{R} \right)$ is released

D) Energy is neither released nor absorbed

• question_answer15) Steam at ${{100}^{o}}C$ is passed into 20 g of water at${{10}^{o}}C$. When water acquires a temperature of${{80}^{o}}C$, the mass of water present will be [Take specific heat of water = $1\,cal{{g}^{-1}}{{\,}^{{}^\circ }}{{C}^{-1}}$ and latent heat of steam$=540cal{{g}^{-1}}]$ [AIPMT 2014]

A) 24g

B) 31.5g

C) 42.5g

D) 22.5g

• question_answer16) Certain quantity of water cools from ${{70}^{o}}C$ to ${{60}^{o}}C$ in the first 5 min and to ${{54}^{o}}C$ in the next 5 min. The temperature of the surroundings is [AIPMT 2014]

A) ${{45}^{o}}C$

B) ${{20}^{o}}C$

C) ${{42}^{o}}C$

D) ${{10}^{o}}C$

• question_answer17) A monoatomic gas at a pressure p, having a volume V expands isothermally to a volume 2 V and then adiabatically to a volume 16 V. The final pressure of the gas is (take $\gamma =\frac{5}{3}$) [AIPMT 2014]

A) 64p

B) 32p

C) $\frac{p}{64}$

D) 16p

• question_answer18) A thermodynamic system undergoes cyclic process ABCDA as shown in figure. The work done by the system in the cycle is [AIPMT 2014]

A) ${{p}_{0}}{{V}_{0}}$

B) $2{{p}_{0}}{{V}_{0}}$

C) $\frac{{{p}_{0}}{{V}_{0}}}{2}$

D) zero

• question_answer19) The mean free path of molecules of a gas, (radius r) is inversely proportional to [AIPMT 2014]

A) ${{r}^{3}}$

B) ${{r}^{2}}$

C) r

D) 4r

• question_answer20) If ${{n}_{1}},{{n}_{2}}$ and ${{n}_{3}}$ are the fundamental frequencies of three segments into which a string is divided, then the original fundamental frequency n of the string is given by [AIPMT 2014]

A) $\frac{1}{n}=\frac{1}{{{n}_{1}}}+\frac{1}{{{n}_{2}}}+\frac{1}{{{n}_{3}}}$

B) $\frac{1}{\sqrt{n}}=\frac{1}{\sqrt{{{n}_{1}}}}+\frac{1}{\sqrt{{{n}_{2}}}}+\frac{1}{\sqrt{{{n}_{3}}}}$

C) $\sqrt{n}=\sqrt{{{n}_{1}}}+\sqrt{{{n}_{2}}}+\sqrt{{{n}_{3}}}$

D) $n={{n}_{1}}+{{n}_{2}}+{{n}_{3}}$

• question_answer21) The number of possible natural oscillations of air column in a pipe closed at one end of length 85 cm whose frequencies lie below 1250 Hz are (velocity of sound = 340 $m{{s}^{-1}}$) [AIPMT 2014]

A) 4

B) 5

C) 7

D) 6

• question_answer22) A speeding motorcyclist sees traffic jam ahead of him. He slows down to 36 km/h. He finds that traffic has eased and a car moving head of him at 18 km/h is honking at a frequency of 1392 Hz. If the speed of sound is 343 m/s, the frequency of the honk as heard by him will be [AIPMT 2014]

A) 1332 Hz

B) 1372 Hz

C) 1412 Hz

D) 1454 Hz

• question_answer23) Two thin dielectric slabs of dielectric constants ${{K}_{1}}$ and ${{K}_{2}}({{K}_{1}}<{{K}_{2}})$ are inserted between plates of a parallel plate capacitor, as shown in the figure. The variation of electric field E between the plates with distance d as measured from plate P is correctly shown by [AIPMT 2014]

A)

B)

C)

D)

• question_answer24) A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are [AIPMT 2014]

A) zero and $\frac{Q}{4\pi {{\varepsilon }_{0}}{{R}^{2}}}$

B) $\frac{Q}{4\pi {{\varepsilon }_{0}}R}$ and zero .

C) $\frac{Q}{4\pi {{\varepsilon }_{0}}R}$ and $\frac{Q}{4\pi {{\varepsilon }_{0}}{{R}^{2}}}$

D) Both are zero

• question_answer25) In a region, the potential is represented by V (x, v, z) = 6x - 8xy - 8y + 6yz, where V is in volts and x, y, z are in metres. The electric force experienced by a charge of 2 coulomb situated at point (1, 1, 1) is [AIPMT 2014]

A) $6\sqrt{5}N$

B) 30 N

C) 24 N

D) $4\sqrt{35}N$

• question_answer26) Two cities are 150 km apart. Electric power is sent from one city to another city through copper wires. The fall of potential per km is 8 V and the average resistance per km is 0.5$\Omega$. The power loss in the wire is [AIPMT 2014]

A) 19.2 W

B) 19.2kW

C) 19.2J

D) 12.2kW

• question_answer27) The resistances in the two arms of the meter bridge are 5 $\Omega$ and R$\Omega$, respectively. When the resistance R is shunted with an equal resistance, the new balance point is at 1.6${{l}_{1}}$ . The resistance R, is [AIPMT 2014]

A) $10\Omega$

B) $15\Omega$

C) $20\Omega$

D) $25\Omega$

• question_answer28) A potentiometer circuit has been set up for finding the internal resistance of a given cell. The main battery, used across the potentiometer wire, has an emf of 2.0 V and a negligible internal resistance. The potentiometer wire itself is 4 m long. When the resistance, R, connected across the given cell, has values of (i) infinity, (ii) $9.5\Omega$ the 'balancing lengths', on the potentiometer wire are found to be 3 m and 2.85 m, respectively. The value of internal resistance of the cell is [AIPMT 2014]

A) 0.25 $\Omega$

B) 0.95$\Omega$

C) 0.5 $\Omega$

D) 0.75 $\Omega$

• question_answer29) Following figures show the arrangement of bar magnets in different configurations. Each magnet has magnetic dipole moment m. Which configuration has highest net magnetic dipole moment? [AIPMT 2014]

 (i) (ii) (ii) (iv)

A) (i)

B) (ii)

C) (iii)

D) (iv)

• question_answer30) In an ammeter 0.2% of main current passes through the galvanometer. If resistance of galvanometer is G, the resistance of ammeter will be [AIPMT 2014]

A) $\frac{1}{499}G$

B) $\frac{499}{500}G$

C) $\frac{1}{500}G$

D) $\frac{500}{499}G$

• question_answer31) Two identical long conducting wires AOB and COD are placed at right angle to each other, with one above other such that O is their common point for the two. The wires carry ${{I}_{1}}$ and ${{I}_{2}}$ currents, respectively. Point P is lying at distance d from O along a direction perpendicular to the plane containing the wires. The magnetic field at the point P will be [AIPMT 2014]

A) $\frac{{{\mu }_{0}}}{2\pi d}\left( \frac{{{l}_{1}}}{{{l}_{2}}} \right)$

B) $\frac{{{\mu }_{0}}}{2\pi d}({{l}_{1}}+{{l}_{2}})$

C) $\frac{{{\mu }_{0}}}{2\pi d}(l_{1}^{2}+l_{2}^{2})$

D) $\frac{{{\mu }_{0}}}{2\pi d}{{(l_{1}^{2}+l_{2}^{2})}^{1/2}}$

• question_answer32) A thin semicircular conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field B, as shown in figure. The potential difference developed across the ring when its speed is u, is [AIPMT 2014]

A) zero

B) $Bv\pi {{r}^{2}}/2$. and P is at higher potential

C) $\pi rBv$ and R is at higher potential

D) 2rBv and R is at higher potential

• question_answer33) A transformer having efficiency of 90% is working on 200 V and 3 kW power supply. If the current in the secondary coil is 6 A, the voltage across the secondary coil and the current in the primary coil respectively are [AIPMT 2014]

A) 300 V, 15 A

B) 450 V, 15 A

C) 450 V, 13.5 A

D) 600 V, 15 A

• question_answer34) Light with an energy flux of $25\times {{10}^{4}}W{{m}^{-2}}$ falls on a perfectly reflecting surface at normal incidence. If the surface area is 15$c{{m}^{2}}$, the average force exerted on the surface is [AIPMT 2014]

A) $1.25\times {{10}^{-6}}N$

B) $2.50\times {{10}^{-6}}N$

C) $1.20\times {{10}^{-6}}N$

D) $3.0\times {{10}^{-6}}N$

• question_answer35) A beam of light of $\lambda$ = 600 nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between first dark fringes on either side of the central bright fringe is [AIPMT 2014]

A) 1.2 cm

B) 1.2 mm

C) 2.4 cm

D) 2.4 mm

• question_answer36) In the Young's double-slit experiment, the intensity of light at a point on the screen (where the path difference is$\lambda$) is K, ($\lambda$ being the wavelength of light used). The intensity at a point where the path difference is $\lambda$, / 4, will be [AIPMT 2014]

A) K

B) K/4

C) K/2

D) zero

• question_answer37) If the focal length of objective lens is increased, then magnifying power of [AIPMT 2014]

A) microscope will increase but that of telescope Decrease

B) microscope and telescope both will increase

C) microscope and telescope both will decrease

D) microscope will decrease but that of telescope will increase

• question_answer38) The angle of a prism is A. One of its refracting surfaces is silvered. Light rays falling at an angle of incidence 2 A on the first surface returns back through the same path after suffering reflection at the silvered surface. The refractive index $\mu$, of the prism is [AIPMT 2014]

A) $2\sin A$

B) $2\cos A$

C) $\frac{1}{2}\cos A$

D) $\tan A$

• question_answer39) When the energy of the incident radiation is increased by 20%, the kinetic energy of the photoelectrons emitted from a metal surface increased from 0.5 eV to 0.8 eV. 'The work function of the metal is [AIPMT 2014]

A) 0.65 eV

B) 1.0 eV

C) 1.3 eV

D) 1.5 eV

• question_answer40) If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de-Broglie wavelength of the particle is [AIPMT 2014]

A) 25

B) 75

C) 60

D) 50

• question_answer41) Hydrogen atom in ground state is excited by a monochromatic radiation of$\lambda =975\overset{o}{\mathop{A}}\,$. Number of spectral lines in the resulting spectrum emitted will be [AIPMT 2014]

A) 3

B) 2

C) 6

D) 10

• question_answer42) The binding energy per nucleon of $_{3}^{7}Li$ and $_{2}^{4}He$ nuclei are 5.60 MeV and 7.06 MeV, respectively. In the nuclear reaction $_{3}^{7}Li+_{1}^{1}H\to _{2}^{4}He+_{2}^{4}He+Q$, the value of energy Q released is [AIPMT 2014]

A) 19.6 MeV

B) -2.4 MeV

C) 8.4 MeV

D) 17.3 MeV

• question_answer43) A radio isotope X with a half-life $1.4\times {{10}^{9}}$yr decays of Y which is stable. A sample of the rock from a cave was found to contain X and Y in the ratio 1 : 7. The age of the rock is [AIPMT 2014]

A) $1.96\times {{10}^{9}}\,yr$

B) $3.92\times {{10}^{9}}\,yr$

C) $4.20\times {{10}^{9}}yr$

D) $8.40\times {{10}^{9}}\,yr$

• question_answer44) The given graph represents $V.I$ characteristic for a semiconductor device. [AIPMT 2014] Which of the following statement is correct?

A) It is V-I characteristic for solar cell where point A represents open circuit voltage and point B short circuit current

B) It is for a solar cell and points A and B represent open circuit voltage and current, respectively

C) It is for a photodiode and points A and B represent open circuit voltage and current, respectively

D) It is for a LED and points A and B represents open circuit voltage and short circuit current respectively

• question_answer45) The barrier potential of a p-n junction depends on

 (i) type of semiconductor material (ii) amount of doping temperature
Which one of the following is correct? [AIPMT 2014]

A) (i) and (ii) only

B) (ii) only

C) (ii) and (iii) only

D) (i), (ii) and (iii)

• question_answer46) What is the maximum number of orbitals that can be identified with the following quantum numbers? $n=3,l=1,{{m}_{l}}=0$ [AIPMT 2014]

A) 1

B) 2

C) 3

D) 4

• question_answer47) Calculate the energy in joule corresponding to light of wavelength 45 nm : (Planck's constant $h=6.63\times {{10}^{-34}}$ Js; speed of light $c=3\times {{10}^{8}}m{{s}^{-1}})$ [AIPMT 2014]

A) $6.67\times {{10}^{15}}$

B) $6.67\times {{10}^{11}}$

C) $4.42\times {{10}^{-15}}$

D) $4.42\times {{10}^{-18}}$

• question_answer48) Equal masses of ${{H}_{2}},{{O}_{2}}$, and methane have been taken in a container of volume V at temperature $27{}^\circ C$ in identical conditions. The ratio of the volumes of gases ${{H}_{2}}:{{O}_{2}}:C{{H}_{4}}$would be [AIPMT 2014]

A) 8 : 16 : 1

B) 16 : 8 : 1

C) 16 : 1: 2

D) 8 : 1 : 2

• question_answer49) If a is the length of the side of a cube, the distance between the body centered atom and one corner atom in the cube will be [AIPMT 2014]

A) $\frac{2}{\sqrt{3}}a$

B) $\frac{4}{\sqrt{3}}a$

C) $\frac{\sqrt{3}}{4}a$

D) $\frac{\sqrt{3}}{2}a$

• question_answer50) Which property of colloids is not dependent on the charge on colloidal particles? [AIPMT 2014]

A) Coagulation

B) Electrophoresis

C) Electro-osmosis

D) TyndalI effect

• question_answer51) Which of the following salts will give highest pH in water? [AIPMT 2014]

A) $KCl$

B) $NaCl$

C) $N{{a}_{2}}C{{O}_{3}}$

D) $CuS{{O}_{4}}$

• question_answer52) Of the following 0.10 m aqueous solutions, which one will exhibit the largest freezing point depression? [AIPMT 2014]

A) KCI

B) ${{C}_{6}}{{H}_{12}}{{O}_{6}}$

C) $A{{l}_{2}}{{(S{{O}_{4}})}_{3}}$

D) ${{K}_{2}}S{{O}_{4}}$

• question_answer53) When 22.4 L of ${{H}_{2}}(g)$ is mixed with 11.2 L of $C{{l}_{2}}$ each at STP, the moles of $HCl(g)$ formed is equal to [AIPMT 2014]

A) 1 mole of $HCl(g)$

B) 2 moles of $HCl(g)$

C) 0.5 mole of $HCl(g)$

D) 1.5moleof $HCl(g)$

• question_answer54) When $0.1\text{mol}\,\text{MnO}_{4}^{2-}$ is oxidised, the quantity of electricity required to completely oxidise $MnO_{4}^{2-}$ is $MnO_{4}^{-}$ [AIPMT 2014]

A) 96500 C

B) $2\times 96500\,C$

C) 9650C

D) 96.50 C

• question_answer55) Using the Gibbs energy change $\Delta {{G}^{{}^\circ }}=+63.3kJ$ for the following reaction, $A{{g}_{2}}C{{O}_{3}}(s)r\,2A{{g}^{+}}(aq)+CO_{3}^{2-}(aq)$ the ${{K}_{sp}}$ of $A{{g}_{2}}C{{O}_{3}}(s)$in water at ${{25}^{o}}C$ is $(R=8.314J{{K}^{-1}}mo{{l}^{-1}})$[AIPMT 2014]

A) $3.2\times {{10}^{-26}}$

B) $8.0\times {{10}^{-12}}$

C) $2.9\times {{10}^{-3}}$

D) $7.9\times {{10}^{-2}}$

• question_answer56) The weight of silver (at. wt. = 108) displaced by a quantity of electricity which displaces 5600 mL of ${{O}_{2}}$ at STP will be [AIPMT 2014]

A) 5.4 g

B) 10.8 g

C) 54.0 g

D) 108.0 g

• question_answer57) Which of the following statements is correct for the spontaneous absorption of a gas? [AIPMT 2014]

A) $\Delta S$ is negative and therefore, $\Delta H$ should be highly positive

B) $\Delta S$ is negative and therefore, $\Delta H$ should be highly negative

C) $\Delta S$ is positive and therefore, AH should be negative

D) $\Delta S$ is positive and therefore, $\Delta H$should also be highly positive.

• question_answer58) For the reversible reaction, ${{N}_{2}}(g)+3{{H}_{2}}(g)\rightleftharpoons 2N{{H}_{3}}(g)+Heat$ the equilibrium shifts in forward direction [AIPMT 2014]

A) by increasing the concentration of $N{{H}_{3}}(g)$

B) by decreasing the pressure

C) by decreasing the concentrations of ${{N}_{2}}(g)$ and ${{H}_{2}}(g)$

D) by increasing pressure and decreasing temperature

• question_answer59) For the reaction, ${{X}_{2}}{{O}_{4}}(l)\to 2X{{O}_{2}}(g)$ $\Delta U=2.1kcal,\Delta S=20cal\,{{K}^{-1}}$at$300K.$Hence, $\Delta G$ is [AIPMT 2014]

A) 2.7 kcal

B) -2.7 kcal

C) 9.3 kcal

D) -9.3 kcal

• question_answer60) For a given exothermic reaction, ${{K}_{p}}$ and $K_{p}^{'}$ are the equilibrium constants at temperatures ${{T}_{1}}$ and${{T}_{2}}$, respectively. Assuming that heat of reaction is constant in 'temperature range between ${{T}_{1}}$ and ${{T}_{2}}$, it is readily observed that [AIPMT 2014]

A) ${{K}_{p}}>K_{p}^{'}$

B) ${{K}_{p}}<K_{p}^{'}$

C) ${{K}_{p}}=K_{p}^{'}$

D) ${{K}_{p}}=\frac{1}{K_{p}^{'}}$

• question_answer61) Which of the following orders of ionic radii is correctly represented? [AIPMT 2014]

A) ${{H}^{-}}>,{{H}^{+}}>H$

B) $N{{a}^{+}}>{{F}^{-}}>{{O}^{2-}}$

C) ${{F}^{-}}>{{O}^{2-}}>N{{a}^{+}}$

D) None of these

• question_answer62) 1.0 g of magnesium is burnt with 0.56 g ${{O}_{2}}$ in a closed verssel. Which reactant is left in excess and how much? $(At.wt.Mg=24;O=16)$ [AIPMT 2014]

A) $Mg,0.16g$

B) ${{O}_{2}}.0.16g$

C) $Mg,0.44g$

D) ${{O}_{2}},0.28g$

• question_answer63) The pair of compounds that can exist together is [AIPMT 2014]

A) $FeC{{l}_{3}},SnC{{l}_{2}}$

B) $HgC{{l}_{2}},SnC{{l}_{2}}$

C) $FeC{{l}_{2}},SnC{{l}_{2}}$

D) $FeC{{l}_{3}},Kl$

• question_answer64) $B{{e}^{2+}}$ is isoelectronic with which of the following ions? [AIPMT 2014]

A) ${{H}^{+}}$

B) $L{{i}^{+}}$

C) $N{{a}^{+}}$

D) $M{{g}^{2+}}$

• question_answer65) Which of the following molecules has the maximum dipole moment? [AIPMT 2014]

A) $C{{O}_{2}}$

B) $C{{H}_{4}}$

C) $N{{H}_{3}}$

D) $N{{F}_{3}}$

• question_answer66) Which one of the following species has plane triangular shape? [AIPMT 2014]

A) ${{N}_{3}}$

B) $NO_{3}^{-}$

C) $N{{O}_{2}}$

D) $C{{O}_{2}}$

• question_answer67) Acidity of diprotic acids in aqueous solutions increases in the order [AIPMT 2014]

A) ${{H}_{2}}S<{{H}_{2}}Se<{{H}_{2}}Te$

B) ${{H}_{2}}Se<{{H}_{2}}S<{{H}_{2}}Te$

C) ${{H}_{2}}Te<{{H}_{2}}S<{{H}_{2}}Se$

D) ${{H}_{2}}Se<{{H}_{2}}Te<{{H}_{2}}S$

 (I) ${{H}_{2}}{{O}_{2}}\,+{{O}_{3}}\,\xrightarrow{\,}\,{{H}_{2}}O\,+2{{O}_{2}}$ [AIPMT 2014] (II) ${{H}_{2}}{{O}_{2}}+A{{g}_{2}}O\to 2Ag+{{H}_{2}}O+{{O}_{2}}$
Role of hydrogen peroxide in the above reactions is respectively

A) oxidising in (I) and reducing in (II)

B) reducing in (I) and oxidizing in (II)

C) reducing in (I) and (II)

D) oxidising in (I) and (II)

• question_answer69) Artificial sweetener which is stable under cold conditions only is [AIPMT 2014]

A) saccharine

B) sucralose

C) aspartame

D) alitame

• question_answer70) In acidic medium, ${{H}_{2}}{{O}_{2}}$ changes $C{{r}_{2}}O_{7}^{2-}$ to $Cr{{O}_{5}}$ which has two (-O-O-) bonds. Oxidation state of Cr in $Cr{{O}_{5}}$ is [AIPMT 2014]

A)  +5

B)  +3

C)  4-6

D)  -10

• question_answer71) The reaction of aqueous $KMn{{O}_{4}}$ with ${{H}_{2}}{{O}_{2}}$ in acidic conditions gives [AIPMT 2014]

A) $M{{n}^{4+}}$and ${{O}_{2}}$

B) $M{{n}^{2+}}$ and ${{O}_{2}}$

C) $M{{n}^{2+}}$and ${{O}_{3}}$

D) $M{{n}^{4+}}$and $Mn{{O}_{2}}$

• question_answer72) Among the following complexes, the one which shows zero crystal field stabilisation energy (CFSE) is [AIPMT 2014]

A) ${{[Mn{{({{H}_{2}}O)}_{6}}]}^{3+}}$

B) ${{[Fe{{({{H}_{2}}O)}_{6}}]}^{3+}}$

C) ${{[Co{{({{H}_{2}}O)}_{6}}]}^{2+}},$

D) ${{[Co{{({{H}_{2}}O)}_{6}}]}^{3+}}$

• question_answer73) Magnetic moment 2.83 BM is given by which of the following ions? (At. No. : Ti = 22; Cr = 24; Mn = 25; Ni = 28) [AIPMT 2014]

A) $T{{i}^{3+}}$

B) $N{{i}^{2+}}$

C) $C{{r}^{3+}}$

D) $M{{n}^{2+}}$

• question_answer74) Which of the following complexes is used to be as an anticancer agent? [AIPMT 2014]

A) $mer-[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]$

B) $cis-[PtC{{l}_{2}}{{(N{{H}_{3}})}_{2}}]$

C) $cis-{{K}_{2}}[PtC{{l}_{2}}B{{r}_{2}}]$

D) $N{{a}_{2}}CoC{{l}_{4}}$

• question_answer75) Reason of lanthanoid contraction is [AIPMT 2014]

A) negligible screening effect of T orbitals

B) increasing nuclear charge

C) decreasing nuclear charge

D) decreasing screening effect

• question_answer76) In the following reaction, the product [A] is [AIPMT 2014]

A)

B)

C)

D)

• question_answer77) Which of the following will be most stable diazonium salt $RN_{2}^{+}{{X}^{-}}?$ [AIPMT 2014]

A) $C{{H}_{3}}N_{2}^{+}{{X}^{-}}$

B) ${{C}_{2}}{{H}_{5}}N_{2}^{+}{{X}^{-}}$

C) $C{{H}_{3}}C{{H}_{2}}N_{2}^{+}{{X}^{-}}$

D) ${{C}_{6}}{{H}_{5}}C{{H}_{2}}N_{2}^{+}{{X}^{-}}$

• question_answer78) D-(+)-glucose reacts with hydroxyl amine and yields an oxime. The structure of the oxime would be [AIPMT 2014]

A)

B)

C)

D)

• question_answer79) Which of the following hormones is produced under the condition of stress which stimulates glycogenolysis in the liver of human beings? [AIPMT 2014]

A) Thyroxin

B) Insulin

• question_answer80) Which one of the following is an example of a thermosetting polymer? [AIPMT 2014]

A) $-(C{{H}_{2}}-\underset{\underset{\text{Cl}}{\mathop{|}}\,}{\mathop{C}}\,=CH-C{{H}_{2}}){{-}_{n}}$

B) $-(C{{H}_{2}}-\underset{\underset{\text{Cl}}{\mathop{|}}\,}{\mathop{C}}\,H){{-}_{n}}$

C) $-(\overset{\overset{H}{\mathop{|}}\,}{\mathop{N}}\,-{{(C{{H}_{2}})}_{6}}-\overset{\overset{\text{H}}{\mathop{|}}\,}{\mathop{N}}\,-\overset{\overset{\text{O}}{\mathop{|\,\,|}}\,}{\mathop{C}}\,-{{(C{{H}_{2}})}_{4}}-\overset{\overset{\text{O}}{\mathop{|\,\,|}}\,}{\mathop{C}}\,){{-}_{n}}$

D)

• question_answer81) Which of the following organic compounds polymerizes to, form the polyester dacron? [AIPMT 2014]

A) Propylene and para $HO-({{C}_{6}}{{H}_{4}})-OH$

B) Benzoic acid and ethanol

C) Terephthalic acid and ethylene glycol

D) Benzoic acid and para $HO-({{C}_{6}}{{H}_{4}})-OH$

• question_answer82) Which one of the following is not a common component of photochemical smog? [AIPMT 2014]

A) Ozone

B) Acrolein

C) Peroxyacetyl nitrate

D) Chlorofluorocarbons

• question_answer83) In the Kjeldahl?s method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75 g of sample neutralised 10 mL of 1 M${{H}_{2}}S{{O}_{4}}$. The percentage of nitrogen in the soil is [AIPMT 2014]

A) 37.33

B) 45.33

C) 35.33

D) 43.33

• question_answer84) What products are formed when the following compound is treated with $B{{r}_{2}}$ in the presence of$FeB{{r}_{3}}$? [AIPMT 2014]

A)

B)

C)

D)

• question_answer85) Which of the following compounds will undergo racemisation when solution of KQH hydrolysis? [AIPMT 2014]

 (i) (ii) $C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Cl$ (iii) ${{H}_{3}}C-\overset{\overset{CH}{\mathop{|}}\,}{\mathop{CH}}\,-C{{H}_{2}}Cl$ (iv)

A) (i)and (ii)

B) (ii) and (iv)

C) (iii) and (iv)

D) None of these

• question_answer86) Among the following sets of reactants which one produces anisole? [AIPMT 2014]

A) $C{{H}_{3}}CHO;RMgX$

B) ${{C}_{6}}{{H}_{5}}OH;NaOH;C{{H}_{3}}l$

C) ${{C}_{6}}{{H}_{5}}OH;$neutral $FeC{{l}_{3}}$

D) ${{C}_{6}}{{H}_{5}}-C{{H}_{3}};C{{H}_{3}}COCl;AlC{{l}_{3}}$

• question_answer87) Which of the following will not be soluble in sodium hydrogen carbonate? [AIPMT 2014]

A) 2, 4, 6-trinitrophenol

B) Benzoic acid

C) o-nitrophenol

D) Benzenesulphonic acid

• question_answer88) Which one is most reactive towards nucleophilic addition reaction? [AIPMT 2014]

A)

B)

C)

D)

• question_answer89) Identity Z in the sequence of reactions, [AIPMT 2014] $C{{H}_{3}}C{{H}_{2}}CH=C{{H}_{2}}\xrightarrow{HBr/{{H}_{2}}{{O}_{2}}}Y$ $\xrightarrow{{{C}_{2}}{{H}_{5}}ONa}Z$

A) $C{{H}_{3}}-{{(C{{H}_{2}})}_{3}}-O-C{{H}_{2}}C{{H}_{3}}$

B) ${{(C{{H}_{3}})}_{2}}C{{H}_{2}}-O-C{{H}_{2}}C{{H}_{3}}$

C) $C{{H}_{3}}{{(C{{H}_{2}})}_{4}}-O-C{{H}_{3}}$

D) $C{{H}_{3}}C{{H}_{2}}-CH(C{{H}_{3}})-O-C{{H}_{2}}C{{H}_{3}}$

• question_answer90) Which of the following organic compounds has same hybridisation as its combustion product$-(C{{O}_{2}})$? [AIPMT 2014]

A) Ethane

B) Ethyne

C) Ethene

D) Ethanol

• question_answer91) Which one of the following shows isogamy with non-flagellated gametes? [AIPMT 2014]

A) Sargassum

B) Ectocarpus

C) Ulothrix

D) Spirogyra

• question_answer92) Five kingdom system of classification suggested by RH Whittaker is not based on [AIPMT 2014]

A) presence or absence of a well-defined nucleus

B) mode of reproduction

C) mode of nutrition

D) complexity of body organization

• question_answer93) Which one of the following fungi contains hallucinogens? [AIPMT 2014]

A) Morchella esculenta

B) Amanita muscaria

C) Neurospora sp.

D) Ustilago sp.

• question_answer94) Archaebacteria differ from eubacteria in [AIPMT 2014]

A) cell membrane structure

B) mode of nutrition

C) cell shape

D) mode of reproduction

• question_answer95) Which one of the following is wrong about Chara? [AIPMT 2014]

A) Upper oogonium and lower round antheridium

B) Globule and nucule present on the same plant

C) Upper antheridium and lower oogonium

D) Globule is male reproductive structure

• question_answer96) Which of the following is responsible for peat formation? [AIPMT 2014]

A) Marchantia

B) Riccia

C) Funaria

D) Sphagnum

• question_answer97) Placenta and pericarp are both edible portions in [AIPMT 2014]

A) apple

B) banana

C) tomato

D) potato

• question_answer98) When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as [AIPMT 2014]

A) vexillary

B) imbricate

C) twisted

D) valvate

• question_answer99) You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two? [AIPMT 2014]

A) Secondary xylem-

B) Secondary phloem

C) Protoxylem

D) Cortical cells

• question_answer100) Which one of the following statements is correct? [AIPMT 2014]

A) The seed in grasses is not endospermic

B) Mango is a parthenocarpic fruit

C) A proteinaceous aleurone layer is present in maize grain

D) A sterile pistil is called a staminode

• question_answer101) Tracheids differ from other trachery elements in [AIPMT 2014]

A) having casparian strips

B) being imperforate

C) lacking nucleus

D) being lignified

• question_answer102) An example of edible underground stem is [AIPMT 2014]

A) carrot

B) groundnut

C) sweet potato

D) potato

• question_answer103) Which structures perform the function of mitochondria in bacteria? [AIPMT 2014]

A) Nucleoid

B) Ribosomes

C) Cell wall

D) Mesosomes

• question_answer104) The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as [AIPMT 2014]

A) microtubules

B) microfilaments

C) intermediate filaments

D) lamins

• question_answer105) The osmotic expansion of a cell kept in water is chiefly regulated by [AIPMT 2014]

A) mitochondria

B) vacuoles

C) plastids

D) ribosomes

• question_answer106) During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C? [AIPMT 2014]

A) ${{G}_{0}}$ and ${{G}_{1}}$

B) ${{G}_{1}}$ and S

C) Only ${{G}_{2}}$

D) ${{G}_{2}}$and M

• question_answer107) Match the following and select the correct [AIPMT 2014]

 Column l Column II A. Centriole 1. Infoldings in mitochondria B. Chlorophyll 2.Thylakoids C: Cristae 3.Nucleic acids D. Ribozymes 4.Bas'al body cilia or flagella

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

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

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

D) None of these

• question_answer108) Dr. F Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps. Of what significance is this experiment? [AIPMT 2014]

A) It made possible the isolation and exact identification of auxin

B) It is the basis for quantitative determination of small amounts of growth-promoting substances

C) It supports the hypothesis that IAA is auxin

D) It demonstrated polar movement of auxins

• question_answer109) Deficiency symptoms of nitrogen and potassium are visible first in [AIPMT 2014]

A) senescent leaves

B) young leaves

C) roots

D) buds

• question_answer110) In which one of the following processes $C{{O}_{2}}$is not released? [AIPMT 2014]

A) Aerobic respiration in plants

B) Aerobic respiration in animals

C) Alcoholic fermentation

D) Lactate fermentation

• question_answer111) Anoxygenic photosynthesis is characteristic of [AIPMT 2014]

A) Rhodospirillum

B) Spirogyra

C) Chlamydomonas

D) Ulva

• question_answer112) A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white-coloured like albinos. Which of the following terms will you use to describe them? [AIPMT 2014]

A) Mutated

B) Embolised

C) Etiolated

D) Defoliated

• question_answer113) Which one of the following growth regulators is known as 'stress hormone'? [AIPMT 2014]

A) abscsic acid

B) Ethylene

C) $\text{G}{{\text{A}}_{\text{3}}}$

D) Indole acetic acid

• question_answer114) Geitonogamy involves [AIPMT 2014]

A) Fertilisation of a flower by the pollen from another flower of the same plant

B) Fertilisation of a flower by the pollen from the same flower

C) Fertilisation of a flower by the pollen from a flower of another plant in the same population

D) Fertilisation of a flower by the pollen from a flower of another plant belonging to a distant population

• question_answer115) Male gametophyte with least number of cells is present in [AIPMT 2014]

A) Pteris

B) Funaria

C) Llium

D) Pinus

• question_answer116) An aggregate fruit is one which develops from [AIPMT 2014]

A) multicarpellary syncarpous gynoecium

B) multicarpellary apocarpus gynoecium

C) complete inflorescence

D) multicarpellary superior ovary

• question_answer117) Pollen tablets are available in the market for [AIPMT 2014]

A) In vitro fertilisation

B) breeding programmes

C) supplementing food

D) Ex situ conservation

• question_answer118) Function of filiform apparatus is to [AIPMT 2014]

A) recognise the suitable pollen at stigma

B) stimulate division of generative cell

C) produce nectar

D) guide the entry of pollen tube

• question_answer119) Non-albuminous seed is produced in [AIPMT 2014]

A) maize

B) castor

C) wheat

D) pea

• question_answer120) Which of the following shows coiled ENA strand and capsomeres? [AIPMT 2014]

A) Polio virus

B) Tobacco mosaic virus

C) Measles virus

D) Retrovirus

• question_answer121) Which one of the following is wrongly matched? [AIPMT 2014]

A) Transcription-Writing information from DNA to RNA

B) Translation-Using information in mRNA to make protein

C) Repressor protein-Binds to operator to stop enzyme synthesis

D) Operon-Structural genes, operator and promoter

• question_answer122) Transformation was discovered by [AIPMT 2014]

A) Meselson and Stahl

B) Hershey and Chase

C) Griffith

D) Watson and Crick

• question_answer123) Fruit colour in squash is an example of [AIPMT 2014]

A) recessive epistasis

B) dominant epistasis

C) complementary genes

D) inhibitory genes

• question_answer124) Viruses have [AIPMT 2014]

A) DNA enclosed in a protein coat

B) prokaryotic nucleus

C) single chromosome

D) Both DNA and RNA

• question_answer125) The first human hormone produced by recombinant DNA technology is [AIPMT 2014]

A) insulin

B) estrogen

C) thyroxin

D) progesterone

• question_answer126) An analysis of chromosomal DNA using the Southern hybridisation technique does not use [AIPMT 2014]

A) electrophoresis

B) blotting

D) PCR

• question_answer127) In vitro clonal propagation in plants is characterised by [AIPMT 2014]

A) PCR and RAPD

B) Northern blotting

C) Electrophoresis and HPLC

D) Microscopy

• question_answer128) An alga, which can be employed as food for human being is [AIPMT 2014]

A) Ulothrix

B) Chlorella

C) Spirogyra

D) Polysiphonia

• question_answer129) Which vector can clone only a small fragment of DNA? [AIPMT 2014]

A) Bacterial artificial chromosome

B) Yeast artificial chromosome

C) Plasmid

D) Cosmid

• question_answer130) An example of ex situ conservation is [AIPMT 2014]

A)  National Park

B)  Seed Bank

C)  Wildlife Sanctuary

D)  Sacred Grove

• question_answer131) A location with luxuriant growth of lichens on the trees indicates that the [AIPMT 2014]

A) trees are very healthy

B) trees are heavily infested

C) location is highly polluted

D) location is not polluted

• question_answer132) Match the following and Select the correct option. [AIPMT 2014]

 Column I Column II A. B. C. D. Earthworm Succession Ecosystem service Population growth 1. 2. 3. 4. Pioneer species Detritivore Natality Pollination

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

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

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

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

• question_answer133) A species facing extremely high risk of extinction in the immediate future is called [AIPMT 2014]

A) vulnerable

B) endemic

C) critically endangered

D) extinct

• question_answer134) The zone of atmosphere in which the ozone layer is present is called [AIPMT 2014]

A) ionosphere

B) mesosphere

C) stratosphere

D) troposphere

• question_answer135) The organisation which publishes the Red List of species is [AIPMT 2014]

A) ICFRE

B) IUCN

C) UNEP

D) WWF

• question_answer136) Select the taxon mentioned that represents both marine and freshwater species [AIPMT 2014]

A) Echinoderms

B) Ctenophora

C) Cephalochordata

D) Cnidaria

• question_answer137) Which one of the following living organisms completely lacks a cell wall? [AIPMT 2014]

A) Cyanobacteria

B) Sea-fan (Gorgonia)

C) Saccharomyces

D) Blue-green algae

• question_answer138) Planaria possess high capacity of [AIPMT 2014]

A) metamorphosis

B) regeneration

C) alternation of generation

D) bioluminescence

• question_answer139) A marine cartilaginous fish that can produce electric current is [AIPMT 2014]

A) Pristis

B) Torpedo

C) Trygon

D) Scoltodon

• question_answer140) Choose the correctly matched pair. [AIPMT 2014]

A) Tendon-Specialised connective tissue

C) Areolar tissue-Loose connective tissue

D) Cartilage-Loose connective tissue

• question_answer141) Choose the correctly matched pair. [AIPMT 2014]

A) Inner lining of salivary ducts-Ciliated epithelium

B) Moist surface of buccal cavity-Glandular epithelium

C) Tubular parts of nephrons-Cuboidal epithelium

D) Inner- surface of bronchioles-Squamous epithelium

• question_answer142) In S-phase of the cell cycle [AIPMT 2014]

A) amount of DNA doubles in each cell

B) amount of DNA remains same in each cell

C) chromosome number is increased

D) amount of DNA is reduced to half in each cell

• question_answer143) The motile bacteria are able to move by [AIPMT 2014]

A) fimbriae

B) flagella

C) cilia

D) pili

• question_answer144) Select the option which is not correct with respect to enzyme action. [AIPMT 2014]

A) Substrate binds with enzyme as its active site

B) Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate

C) A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate

D) Malonate is a competitive inhibitor of succinic dehydrogenase

• question_answer145) Which one of the following is a non-reducing carbohydrate? [AIPMT 2014]

A) Maltose

B) Sucrose

C) Lactose

D) Ribose 5-phosphate

• question_answer146) The enzyme recombinase is required at which stage of meiosis? [AIPMT 2014]

A) Pachytene

B) Zygotene

C) Diplotene

D) Diakinesis

• question_answer147) The initial step in the digestion of milk in humans is carried out by? [AIPMT 2014]

A) Lipase

B) Trypsin

C) Rennin

D) Pepsin

• question_answer148) Fructose is absorbed into the blood through mucosa cells of intestine by the process called [AIPMT 2014]

A) active transport

B) facilitated transport

C) simple diffusion

D) co-transport mechanism

• question_answer149) Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs [AIPMT 2014]

A) as bicarbonate ions

B) in the form of dissolved gas molecules

C) by binding to RBC

D) as carbamino-haemoglobin

• question_answer150) Person with blood group AB is considered as universal recipient because he has [AIPMT 2014]

A) Both A and B antigens on RBC but no antibodies in the plasma

B) Both A and B antibodies in the plasma

C) No antigen on RBC and no antibody in the plasma

D) Both A and B antigens in the plasma but no antibodies

• question_answer151) How do parasympathetic neural signals affect the working of the heart? [AIPMT 2014]

A) Reduce both heart rate and cardiac output

B) heart rate is increased without affecting the cardiac output

C) Both heart rate and cardiac output increase

D) Heart rate decreases but cardiac output increases

• question_answer152) Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule? [AIPMT 2014]

A) Increase in aldosterone levels

B) Increase in antidiuretic hormone levels

C) Decrease in aldosterone levels

D) Decrease in antidiuretic hormone levels

• question_answer153) Select the correct matching of the type of the joint with the example in human skeletal system [AIPMT 2014]

A) Types of joint- Cartilaginous, Example- Between frontal and 'parietal

B) Types of joint- joint Pivot joint, Example- Between third and fourth cervical vertebrae

C) Types of joint- Hinge joint, Example- Between humerus and pectoral girdle

D) Types of joint- Gliding joint, Example- Between carpals

• question_answer154) Stimulation of a muscle fibre by a motor neuron occurs at [AIPMT 2014]

A) the neuromuscular junction

B) the transverse tubules

C) the myofibril

D) the sacroplasmic reticulum

• question_answer155) Injury localised to the hypothalamus would most likely disrupt [AIPMT 2014]

A) short term memory

B) co-ordination during locomotion

C) executive function, such as decision making

D) regulation of body temperature

• question_answer156) Which one of the following statements is not correct? [AIPMT 2014]

A) Retinal is the light absorbing portion of visual photopigments

B) In retina the rods have the photopigment rhodopsin, while cones have three different photopigments

C) Retinal is a derivative of vitamin-C

D) Rhodopsin is the purplish red protein present in rods only

• question_answer157) Identify the homone with its correct matching of source and function. [AIPMT 2014]

A) Oxytocin- posterior pituitary, growth and maintenance of mammary glands

B) Melatonin-pineal gland, regulates the normal rhythm of sleepwake cycle

C) Progesterone-corpus luteum, stimulation of growth and activities of female secondary sex organs

D) Atrial natriuretic factor-ventricular wall increases the blood pressure

• question_answer158) Fight or flight reactions cause activation of [AIPMT 2014]

A) the parathyroid glands, leading to increased metabolic rate

B) the kidney, leading to suppression of reninangiotensin-aldosterone pathway

C) the adrenal medulla, leading to increased secretion of epinephrine and norepinephrene

D) the pancreas leading to a reduction in the blood sugar levels

• question_answer159) The shared terminal duct of the reproductive and urinary system in the human male is [AIPMT 2014]

A) urethra

B) ureter

C) vas deferens

D) vasa efferentia

• question_answer160) The main function of mammalian corpus luteum is to produce [AIPMT 2014]

A) estrogen only

B) progesterone

D) relaxin only

• question_answer161) Select the correct option describing gonadotropin activity in a normal pregnant female [AIPMT 2014]

A) High level of FSH and LH stimulates the thickening of endometrium

B) High level of FSH and LH facilitate implantation of the embryo

C) High level of hCG stimulates the synthesis of estrogen and progesterone

D) High level of hCG stimulates the thickening of endometrium

• question_answer162) Tubectomy is a method of sterilisation in which [AIPMT 2014]

A) Small part of the Fallopian tube is removed or tied up

B) Ovaries are removed surgically

C) Small part of vas deferens is removed or tied up

D) Uterus is removed surgically

• question_answer163) Which of the following is a hormone releasing Intra Uterine Device (IUD)? [AIPMT 2014]

B) LNG-20

C) Cervical cap

D) Vault

• question_answer164) Assisted reproductive technology, IVF involves transfer of [AIPMT 2014]

A) ovum into the Fallopian tube

B) zygote into the Fallopian tube

C) zygote into the uterus

D) embryo with 16 balastomeres into the Fallopian tube

• question_answer165) A man whose father was colourblind marries a woman, who had a colourblind mother and normal father. What percentage of male children of this couple will be colourblind? [AIPMT 2014]

A) 25%

B) 0%

C) 50%

D) 75%

• question_answer166) In a population of 1000 individuals 360 belongs to genotype AA, 480 to Aa and the remaining 160 to aa. Based on this data, the frequency of allele A in the population is [AIPMT 2014]

A) 0.4

B) 0.5

C) 0.6

D) 0.7

• question_answer167) A human female with Turner's syndrome [AIPMT 2014]

A) has 45 chromosomes with XO

C) exhibits male characters

D) is able to produce children with normal husband

• question_answer168) Select the correct option. [AIPMT 2014]

A) Direction of RNA synthesis- 5'-3', Direction of reading of the template DNA strand- 3'-5'

B) Direction of RNA synthesis- 3'-5', Direction of reading of the template DNA strand- 5'-3'

C) Direction of RNA synthesis- 5'-3', Direction of reading of the template DNA strand- 5?-3?

D) Direction of RNA synthesis- 3'-5', Direction of reading of the template DNA strand- 3'-5'

• question_answer169) Commonly used vectors for human genome sequencing are [AIPMT 2014]

A) T-DNA

B) BAC and YAC

C) Expression vectors

D) T/A cloning vectors

• question_answer170) Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of [AIPMT 2014]

A) analogous organs

C) homologous organs

D) convergent evolution

• question_answer171) Which one of the following are analogous structures? [AIPMT 2014]

A) Wings of bat and wings of pigeon

B) Gills of prawn and lungs of man

C) Thorns of Bougainvillea and tendrils of Cucurbita

D) Flippers of dolphin and legs of horse

• question_answer172) Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown below? [AIPMT 2014]

A) Hallucinogen

B) Depressant

C) Stimulant

D) Pain-killer

• question_answer173) At which stage of HIV infection does one usually show symptoms of AIDS? [AIPMT 2014]

A) Within 15 days of sexual contact with an infected person

B) When the infected retro virus enters host cells

C) When HIV damages large number of helper T-Lymphocytes

D) When the viral DNA is produced by reverse transcriptase

• question_answer174) To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken? [AIPMT 2014]

A) Apical meristem only

C) Both apical and axillary meristems

D) Epidermis only

• question_answer175) What gases are produced in anaerobic sludge digesters? [AIPMT 2014]

A) Methane and $C{{O}_{2}}$ only

B) Methane, hydrogen sulphide and $C{{O}_{2}}$

C) Methane, hydrogen sulphide and ${{O}_{2}}$

D) Hydrogen sulphide and $C{{O}_{2}}$

• question_answer176) 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 [AIPMT 2014]

A) Western Ghat

B) Meghalaya

C) Corbett National Park

• question_answer177) Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks. [AIPMT 2014]

A) A- Rock Mineral B- Detritus C- Litter fall D- Producers

B) A- Litter fall B- Producers C- Rock minerals D- Detritus

C) A- Detritus B- Rock Minerals C- Producer D- Litter fall

D) A- Producers B- Litter C- Rock minerals D- Detritus

• question_answer178) Given below is the representation of the extent of global diversity of invertebrates. What groups the four portions represent respectively? [AIPMT 2014]

A) A- lnsects, B- Crustaceans , C- Other animal Groups , D- Molluscs

B) A- Crustacean , B- lnsects , C- Molluscs , D- Other animal groups

C) A- Molluscss, B- Other animal groups, C- Crustaceans, D- lnsects

D) A- lnsects, B- Molluscs, C- Crustaceans, D- Other animal groups

• question_answer179) A scrubber in the exhaust of a chemical industrial plant removes [AIPMT 2014]

A) Gases like sulphur dioxide

B) Particulate matter of the size 5 micrometer or above

C) Gases like ozone and methane

D) Particulate matter of the size 2.5 micrometer or less

• question_answer180) 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 (R) Mice (R) Snake (R) Peacock [AIPMT 2014]

A) 0.02 J

B) 0,002 J

C) 0.2J

D) 0.0002 J