AIPMT 2015 Cancelled Paper | NEET Year Wise Previous Years Questions

Biology

Chemistry

1. Which of these statements about [Co(CN)6]3$$-$$ is true? 2. A mixture of gases contains H2 and O2 gases in the ratio of 1 : 4 (w/w). What is the molar ratio of the two gases in the 3. A device that converts energy of combustion of fuels like hydrogen and methane, directly into electrical energy is known 4. The reaction, is called 5. An organic compound 'X' having molecular formula C5H10O yields phenylhydrazone and gives negative response to the iodofo 6. The electrolytic reduction of nitrobenzene in strongly acidic medium produces 7. The boiling point of 0.2 mol kg$$-$$1 solution of X in water is greater than equimolal solution of Y in water. Which on 8. Which of them is not equal to zero for an ideal solution? 9. Which one of the following electrolytes has the same value of van't Hoff factor (i) as that of Al2(SO4)3 (if all are 100 10. The reaction of C6H5CH $$=$$ CHCH3 with HBr produces 11. When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of th 12. The activation energy of a reaction can be determined from the slope of which of the following graphs? 13. Nitrogen dioxide and sulphur dioxide have some properties in common . Which property is shown by one of these compounds 14. Magnetic moment 2.84 B.M. is given by (At. nos. Ni = 28, Ti = 22, Cr = 24, Co = 27) 15. Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Numbers in 16. Which of the following processes does not involve oxidation of iron? 17. Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chl 18. Which of the following species contains equal number of $$\sigma $$- and $$\pi $$-bonds ? 19. The number of d-electrons in Fe2+ (Z = 26) is not equal to the number of electrons in which one of the following ? 20. The angular momentum of electron in 'd' orbital is equal to 21. The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase ? 22. Which of the following options represents the correct bond order ? 23. Maximum bond angle at nitrogen is present in which of the following ? 24. The correct bond order in the following species is 25. Which of the following pairs of ions are isoelectronic and isostructural ? 26. Which of the following statements is correct for a reversible process in a state of equilibrium? 27. The Ksp of Ag2CrO4,  AgCl,  AgBr  and Agl  are respectively, 1.1 $$ \times $$ 10$$- 28. If the value of equilibrium constant for a particular reaction is 1.6 $$ \times $$ 1012, then at equilibrium the system 29. Treatment of cyclopentanone with methyl lithium gives which of the following species ? 30. The total number of $$\pi $$-bond electrons in the following structure is 31. Given : Which of the given compounds can exhibit tautomerism? 32. Which of the following is the most correct electron displacement for a nucleophilic reaction to take place? 33. In Duma's method for estimation of nitrogen, 0.25 g of an organic compound gave 40 mL of nitrogen collected at 300 K te 34. In which of the following compounds, the C$$-$$Cl bond ionisation shall give most stable carbonium ion? 35. Consider the following compounds : Hyperconjunction occurs in 36. The enolic form of ethyl accetoacetate as shown below has 37. A single compound of the structure, is obtainable from ozonolysis of which of the following cyclic compounds? 38. Given : The enthalpy of hydrogenation of these compounds will be in the order as

Physics

1. A radiation of energy 'E' falls normally on a perfectly reflecting surface. The momentum transferred to the surface is ( 2. When two displacements represented by y1 = a sin$${\left( {\omega t} \right)}$$ and y2 = b cos$${\left( {\omega t} \righ 3. A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it. A dielect 4. The electric field in a certain region is acting radially outward and is given by E = Ar. A charge contained in a sphere 5. Across a metallic conductor of non-uniform cross section a constant potential difference is applied. The quantity which 6. A, B and C are voltmeters of resistance R, 1.5 R and 3R respectively as shown in the figure. When some potential differe 7. A potentiometer wire has length 4 m and resistance 8 $$\Omega $$. The resistance that must be connected in series with t 8. An electron moving in a circular orbit of radius r makes n rotations per second. The magnetic field produced at the cent 9. A conducting square frame of side 'a' and a long straight wire carrying current $$I$$ are located in the same plane as s 10. A wire carrying current $$I$$ has the shape shown in adjoining figure. Linear parts of the wire are very long and para 11. A resistance 'R' draws power 'P' when connected to an AC source. If an inductance is now placed in series with the resis 12. A particle is executing SHM along a straight line. Its velocities at distances x1 and x2 from the mean position are V1 a 13. For a parallel beam of monochromatic light of wavelength '$$\lambda $$' , diffraction is produced by a single slit whose 14. The refracting angle of a prism is A, and refractive index of the material of the prism is cot (A/2). The angle of minim 15. In a double slit experiment, the two slits are 1 mm apart and the screen is placed 1 m away. A monochromatic light of wa 16. Two identical thin plano-convex glass lenses (refractive index 1.5) each having radius of curvature of 20 cm are placed 17. A certain metallic surface is illuminated with monochromatic light of wavelength, $$\lambda .$$ The stopping potential f 18. Which of the following figures represent the variation of particle momentum and the associated de-Broglie wavelength? 19. Consider 3rd orbit of He+ (Helium), using non-relativistic approach, the speed of electron in this orbit will be [given 20. Which logic gate is represented by the following combination of logic gates ? 21. If in a p-n junction, a square input signal of 10 V is applied, as shown, then the output across RL will be 22. Three identical spherical shells, each of mass m and radius r are placed as shown in figure. Consider an axis XX' which 23. A particle of unit mass undergoes one-dimensional motion such that its velocity varies according to $$v\left( x \right) 24. A ship A is moving Westwards with a speed of 10 km h$$-$$1 and a ship B 100 km South of A, is moving Northwards with a s 25. A block A of mass m1 rests on a horizontal table. A light string connected to it passes over a frictionless pully at the 26. Three blocks A, B and C, of masses 4 kg, 2 kg and 1 kg respectively, are in contact on a frictionless surface, as shown. 27. A block of mass 10 kg, moving in x direction with a constant speed of 10 m s$$-$$1, is subjected to a retarding force F 28. A particle of mass m is driven by a machine that delivers a constant power k watts. If the particle starts from rest the 29. Two particles of masses m1, m2 move with initial velocities u1 and u2. On collision, one of the particles get excited t 30. Two similar springs P and Q have spring constants KP and KQ, such that KP > KQ. They are stretched first by the same 31. A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The k 32. A mass m moves in a circle on a smooth horizontal plane with velocity v0 at a radius R0. The mass is attached to a strin 33. Kepler's third law states that square of period of revoluation (T) of a planet around the sun, is proportional to third 34. Two spherical bodies of mass M and 5M and radii R and 2R are released in free space with initial separation between thei 35. The two ends of a metal rod are maintained at temperatures 100oC and 110oC. The rate of heat flow in the rod is found to 36. A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof is 250 m2. Assuming that the pressu 37. On observing light from three different starts P, Q and R, it was found that intensity of violet colour is maximum in th 38. The approximate depth of an ocean is 2700 m. The compressiblity of water is 45.4 $$ \times $$ 10$$-$$11 Pa$$-$$1 and den 39. A Carnot engine, having an efficiency of as heat engine, is used as a refrigerator. If the work done on the system is 10 40. The ratio of the specific heats $${{{C_p}} \over {{C_v}}} = \gamma $$ in terms of degrees of freedom (n) is given by 41. Figure below shows two paths that may be taken by a gas to go from a state A to a state C. In process AB, 400 J of heat 42. One mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure. The chang 43. If energy (E), velocity (V) and time (T) are chosen as the fundamental quantities, the dimensional formula of surface te

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Numbers in the parenthesis are atomic numbers)

Zr(40) and Hf(72)

Zr(40) and Ta(73)

Ti(22) and Zr(40)

Zr(40) and Nb(41)

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

Which of the following processes does not involve oxidation of iron?

Formation of Fe(CO)₅ from Fe.

Liberation of H₂ from steam by iron at high temperature.

Rusting of iron sheets.

Decolourisation of blue CuSO₄ solution by iron.

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at 25^oC?

CoCl₃ $$ \cdot $$ 5NH₃

CoCl₃ $$ \cdot $$ 6NH₃

CoCl₃ $$ \cdot $$ 3NH₃

CoCl₃ $$ \cdot $$ 4NH₃

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

Which of the following species contains equal number of $$\sigma $$- and $$\pi $$-bonds ?

(CN)₂

CH₂(CN)₂

HCO₃^$$-$$

XeO₄

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