AIPMT 2006 | NEET Year Wise Previous Years Questions

Biology

Chemistry

1. Copper sulphate dissolves in excess of KCN to give 2. [Cr(H2O)6]Cl3 (At. no. of Cr = 24) has a magnetic momen of 3.83 B.M. The correct distribution of 3d electrons in the ch 3. [Co(NH3)4(NO2)2]Cl exhibits 4. More number of oxidation states are exhibited by the actinoids than by the lanthanoids. The main reason for this is 5. In a set of reactions propionic acid yielded a compound D. The structure of D would be 6. Which of the following is more basic than aniline? 7. The human body does not produce 8. Which one of the following is a peptide hormone? 9. During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes i 10. During osmosis, flow of water through a semipermeable membrane is 11. A solution of acetone in ethanol 12. 1.00 g of a non-electrolyte solute (molar mass 250 g mol$$-$$1) was dissolved in 51.2 g of benzene. If the freezing poin 13. A solution containing 10 g per dm3 of urea (molecular mass = 60 g mol$$-$$1) is isotonic with a 5% solution of a nonvola 14. Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields 15. EoFe2+/Fe = $$-$$ 0.441 V and EoFe3+/Fe2+ = 0.771 V, the standard EMF of the reaction Fe + 2Fe3+ $$ \to $$ 3Fe2+ will be 16. A hypothetical electrochemical cell is shown below. $$A\left| {{A^ + }\left( {xM} \right)} \right|\left| {{B^ + }\left( 17. Consider the reaction :  N2(g) + 3H2(g) $$ \to $$ 2NH3(g) The equality relationship between $${{d\left[ {N{H_3 18. For the reaction, 2A + B $$ \to $$ 3C + D, which of the following does not express the reaction rate? 19. Which of the following is the most basic oxide? 20. The correct order regarding the electronegativity of hybrid orbitals of carbon is 21. In which of the following molecules are all the bonds are not equal? 22. Which one of the following orders is not in accordance with the property stated against it? 23. The electronegativity difference berween N and F is greater than that between N and H yet the dipole moment of NH3 (1.5D 24. In which of the following pairs are both the ions coloured in aqueous solution? (At. no. : Sc = 21, Ti = 22, Ni = 28, 25. For the reaction : CH4(g) + 2O2(g) $$\rightleftharpoons$$ CO2(g) + 2H2O(l), $$\Delta $$Hr = $$-$$ 170.8 kJ mol$$-$$1. 26. The orientation of an atomic orbital is governed by 27. Given : The mass of electron is 9.11 $$ \times $$ 10$$-$$31 kg, Planck constant is 6.626 $$ \times $$ 10$$-$$34 J s, the 28. Which one of the following orders is not in accordance with the property stated against it ? 29. Which of the following is not a correct statement? 30. Which of the following is not isostructural with SiCl4 ? 31. Which of the following species has a linear shape? 32. Identify the correct statement for change of Gibb's energy for a system ($$\Delta $$Gsystem) at constant temperature and 33. The enthalpy and entropy change for the reaction: Br2(l) + Cl2(g) $$ \to $$ 2BrCl(g) are 30 kJ mol$$-$$1 and 105 J K$ 34. The enthalpy of hydrogenation of cyclohexene is is $$-$$ 119.5 kJ mol$$-$$1. If resonance energy of benzene is $$-$$ 150 35. Assume each reaction is carried out in an open container. For which reaction will $$\Delta $$H = $$\Delta $$E ? 36. Which of the following pairs constitutes a buffer? 37. The hydrogen ion concentration of a 10$$-$$8 M, HCl aqueous solution at 298 K (Kw = 10$$-$$14) is 38. The general molecular formula, which represents the homologous series of alkanols is 39. The IUPAC name of is 40. Which of the following is not chiral? 41. The general molecular formula, which represents the homologous series of alkanols is 42. Ethylene oxide when treated with Grignard reagent yields 43. The major organic product in the reaction is CH3 $$-$$ O $$-$$ CH(CH3)2 + HI $$ \to $$ products 44. A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of $$\a 45. Nucleophilic addition reaction will be most favoured in

Physics

1. A transistor-oscillator using a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in seri 2. An electric dipole of moment $$\overrightarrow p $$ is lying along a uniform electric field $$\overrightarrow E $$. The 3. In the circuit shown, if a conducting wire is connected between points A and B, the current in this wire will 4. Kirchoff's first and second laws of electrical circuits are consequences of 5. Two cells, having the same e.m.f. are connected in series through an external resistance R. Cells have internal resistan 6. Power dissipated across the 8 $$\Omega $$ resistor in the circuit shown here is 2 watt. The power dissipated in watt uni 7. When a charged particle moving with velocity $$\overrightarrow v $$ is subjected to a magnetic field of induction $$\ove 8. Two circular coils 1 and 2 are made from the same wire but the radius of the 1st coil is twice that of the 2nd coil. Wha 9. Curie temperature above which 10. Two coils of self inductance 2 mH and 8 mH are placed so close together that the effective flux in one coil is completel 11. A coil of inductive reactance 31 $$\Omega $$ has a resistance of 8 $$\Omega $$. It is placed in series with a condenser 12. The core of a transformer is laminated because 13. A square surface of side L metres is in the plane of the paper. A uniform electric field $$\overrightarrow E $$ (volt/m) 14. A microscope is focussed on a mark on a piece of paper and then a slab of glass of thickness 3 cm and refractive index 1 15. A convex lens and a concave lens, each having same focal length of 25 cm, are put in contact to form a combination of le 16. When photons of energy h$$\upsilon $$ fall on an aluminimum plate (of work function E0), photoelectrons of maximum kinet 17. A photocell employs photoelectric effect to convert 18. The momentum of a photon of energy 1 MeV in kg m/s will be 19. In a discharge tube ionization of enclosed gas is produced due to collisions between 20. Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiat 21. The binding energy of deuteron is 2.2 MeV and that of $${}_2^4$$He is 28 MeV. If two deuterons are fused to form one $${ 22. The following figure shows a logic gate circuit with two inputs A and B and the output C. The voltage waveforms of A, 23. A tube of length L is filled completely with an incompressible liquid of mass M and closed at both the ends. The tube is 24. Two bodies A (of mass 1 kg) and B (of mass 3 kg) are dropped from heights of 16 m and 25 m, respectively. The ratio of t 25. A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 seconds for every circular lap. The aver 26. A particle moves along a straight line OX. At a time t (in seconds) the distance x (in metres) of the particle from O is 27. For angles of projection of a projectile at angle (45o $$-$$ $$\theta $$) and (45o + $$\theta $$), the horizontal range 28. The vectors $$\overrightarrow A $$ and $$\overrightarrow B $$ are such that $$\left| {\overrightarrow A + \overrightar 29. A 0.5 kg ball moving with a speed of 12 m/s strikes a hand wall at an angle of 30o with the wall. It is reflected with t 30. 300 J of work is done in sliding a 2 kg block up an inclined plane of height 10 m. Work done against friction is (Take g 31. A body of mass 3 kg is under a constant force which causes a displacement s in metres in it, given by the relation s = $ 32. The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by 8 cm the potential ener 33. A uniform rod AB of length $$l$$ and mass m is free to rotate about point A. The rod is released from rest in the horizo 34. The moment of inertia of a uniform circular disc of radius R and mass M about an axis touching the disc at its diameter 35. The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the earth. The 36. A black body at 1227oC emits radiations with maximum intensity at a wavelength of 5000 $$\mathop A\limits^ \circ $$. If 37. The molar specific heat at constant pressure of an ideal gas is (7/2) R. The ratio of specific heat at constant pressur 38. A Carnot engine whose sink is at 300 K has an efficiency of 40%. By how much should the temperature of source be increas 39. A rectangular block of mass m and area of cross-section A floats in a liquid of density $$\rho $$. If it is given a smal 40. Two vibrating tuning forks produce waves given by y1 = 4 sin 500$$\pi $$t and y2 = 2 sin506 $$\pi $$t. Number of beats p 41. Two sound waves with wavelengths 5.0 m and 5.5. m respectively, each propagate in a gas with velocity 330 m/s. We expect 42. The time of reverberation of a room A is one second. What will be the time (in seconds of reverberation of a room, havin 43. A transverse wave propagating along x-axis is represented by y(x, t) = 8.0 sin (0.5 $$\pi $$x $$-$$ 4$$\pi $$t $$-$$ $$\ 44. Which one of the following statements is true ? 45. A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery 46. Which one of the following represents forward bias diode ? 47. The velocity v of a particle at time t is given by v = at + $${b \over {t + c}}$$, where a, b and c are constants. The d

AIPMT 2006

MCQ (Single Correct Answer)

-1

A Carnot engine whose sink is at 300 K has an efficiency of 40%. By how much should the temperature of source be increased so as to increase its efficiency by 50% of original efficiency ?

380 K

275 K

325 K

250 K

AIPMT 2006

MCQ (Single Correct Answer)

-1

A rectangular block of mass m and area of cross-section A floats in a liquid of density $$\rho $$. If it is given a small vertical displacement from equilibrium it undergoes with a time period T, then

$$T \propto {1 \over {\sqrt m }}$$

$$T \propto \sqrt \rho $$

$$T \propto {1 \over {\sqrt A }}$$

$$T \propto {1 \over \rho }$$

AIPMT 2006

MCQ (Single Correct Answer)

-1

Two vibrating tuning forks produce waves given by y₁ = 4 sin 500$$\pi $$t and y₂ = 2 sin506 $$\pi $$t. Number of beats produced per minute is

360

180

AIPMT 2006

MCQ (Single Correct Answer)

-1

Two sound waves with wavelengths 5.0 m and 5.5. m respectively, each propagate in a gas with velocity 330 m/s. We expect the following number of beats per second.

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