NEET 2017 | NEET Year Wise Previous Years Questions

Biology

Chemistry

1. Which one is the wrong statement ? 2. Match the interhalogen compounds of column-I with the geometry in column-II and assign the correct code. .tg {border-c 3. The correct increasing order of basic strength for the following compounds is 4. Which of the following statements is not correct? 5. If molality of the dilute solution is doubled, the value of molal depression constant (Kf) will be 6. Which of the following is dependent on temperature? 7. A first order reaction has a specific reaction rate of 10$$-$$2 sec$$-$$1. How much time will it take for 20 g of the re 8. Mechanism of a hypothetical reaction X2 + Y2 $$ \to $$ 2XY, is given below : (i)   X2 $$ \to $$ X + X (fast 9. In the electrochemical cell : $$Zn\left| {ZnS{O_4}\left( {0.01\,M} \right)} \right|$$$$\left| {CuS{O_4}\left( {1.0M} \ri 10. In which pair of ions both the species contain S $$-$$ S bond? 11. It is because of inability of ns2 electrons of the valence shell to participate in bonding that 12. Which of the following reactions is appropriate for converting acetamide to methanamine? 13. Name the gas that can readily decolourise acidified KMnO4 solution. 14. The reason for greater range of oxidation states in actinoids is attributed to 15. The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes : CoCl3.6NH3 16. Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is 17. HgCl2 and I2 both when dissolved in water containing I$$-$$ ions, the pair of species formed is 18. Pick out the correct statement with respect to [Mn(CN)6]3$$-$$. 19. An example of a sigma bonded organometallic compound is 20. The correct statement regarding electrophile is 21. The element Z = 114 has been discovered recently. It will belong to which of the following family/group and electronic c 22. Which one of the following pairs of species have the same bond order ? 23. The species, having bond angles of 120o is 24. Which of the following pairs of compounds is isostructural ? 25. A 20 litre container at 400 K contains CO2(g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO) 26. Concentration of the Ag+ ions in a saturated solution of Ag2C2O4 is 2.2 $$ \times $$ 10$$-$$4 mol L$$-$$1. Solubility pr 27. The equilibrium constants of the following are N2 + 3H2 $$\rightleftharpoons$$ 2NH3;     K1 N2 28. A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 atm from an initial 29. For a given reaction, $$\Delta $$H = 35.5 kJ mol$$-$$1 and $$\Delta $$S = 83.6 J K$$-$$1 mol$$-$$1. The reaction is spon 30. The IUPAC name of the compound 31. The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenols is 32. With respect to the conformers of ethane, which of the following statements is true? 33. Predict the correct intermediate and product in the following reaction : $${H_3}C - C \equiv CH\mathrel{\mathop{\kern0pt 34. Which one is the correct order of acidity? 35. Which one is the most acidic compound? 36. The heating of phenyl methyl ether with HI produces 37. Identify $$A$$ and predict the type of reaction. 38. Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating? 39. Consider the reactions, Identify A, X, Y and Z.

Physics

1. In an electromagnetic wave in free space that root mean square value of the electric field is Erms = 6 V m$$-$$1. The pe 2. If $$\theta $$1 and $$\theta $$2 be the apparent angles of dip observed in two vertical planes at right angles to each o 3. A capacitor is charged by a battery. The battery is removed and another identical unchanged capacitor is connected in pa 4. Suppose the charge of a proton and an electron differ slightly. One of them is $$-$$e, the other is (e + $$\Delta $$e). 5. The diagrams below show regions of equipotentials. A positive charge is moved from A to B in each diagram. 6. The resistance of a wire is 'R' ohm. If it is melted and stretched to 'n' times its original length. its new resistance 7. A 250-turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 85 $$\mu $$A and subjected to a magn 8. An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current $$'I'$$ alo 9. The ratio of resolving powers of an optical microscope for two wavelength $$\lambda $$1 = 4000 $$\mathop A\limits^ \circ 10. Figure shows a circuit that contains three identical resistors with resistance R = 9.0 $$\Omega $$ each, two identical i 11. A long solenoid of diameter 0.1 m has 2 $$ \times $$ 104 turns per meter. At the centre of the solenoid, a coil of 100 t 12. Two polaroids P1 and P2 are placed with their axis perpendicular to each other. Unpolarised light $$I$$0 is incident on 13. A potentiometer is an accurate and versatile device to make electrical measurements of EMF because the method involves 14. Young's double slit experiment is first performed in air and then in a medium other than air. It is found that 8th brigh 15. A beam of light from a source L is incident normally on a plane mirror fixed at a certain distance x from the source. Th 16. A thin prism having refracting angle 10o is made of glass of refractive infex 1.42. This prism is combined with another 17. The photoelectric threshold wavelength of silver is 3250 $$ \times $$ 10$$-$$10 m. The velocity of the electron ejected 18. The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is 19. The de-Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature T (kelvin) and mass m, i 20. The given electrical network is equivalent to 21. Which one of the following represents forward bias diode ? 22. Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K1 and 23. The x and y coordinates of the particle at any time are x = 5t $$-$$ 2t2 and y = 10t respectively, where x and y are in 24. Preeti reached the metro station and found that the escalator was not working. She walked up the sationary escalator i 25. Two blocks A and B of masses 3m and m respectively are connected by a massless and inextensible string. The whole system 26. Consider a drop of rain water having mass 1 g falling from a height of 1 km. It hits the ground with a speed of 50 m s$$ 27. One end of string of length $$l$$ is connected to a particle of mass 'm' and the other end is connected to a small peg o 28. Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will 29. Two discs of same moment of inertia rotating about their regular axis passing through centre and perpendicular to the pl 30. The acceleration due to gravity at a height at a height 1 km above the rearth is the same as at a depth d below the surf 31. A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder 32. Which of the following statements are correct ? (1)   Centre of mass of a body always coincides with the 33. A gas mixture consists of 2 moles of O2 and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total 34. A carnot engine having an efficiency of $${1 \over {10}}$$ as heat engine, is used as a refrigerator. If the work done o 35. Thermodynamic processes are indicated in the following diagram. Match the following .tg {border-collapse:collapse;bor 36. The bulk modulus of a spherical object is 'B'. If it is subjected to uniform pressure 'P', the fractional decrease in r 37. A U tube with both ends open to the atmosphere, is partially filled with water. Oil, which is immiscible with water, is 38. A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temper 39. A particle executes linear simple harmonic motion with an amplitude of 3 cm. When the particle is at 2 cm from the mean 40. A spring of force constant k is cut into lengths of ratio 1 : 2 : 3. They are connected in series and the new force cons 41. The two nearest harmonics of a tube closed at one end and open at other end are 220 Hz and 260 Hz. What is the fundament 42. A physical quantity of the dimensions of length that can be formed out of c, G and $${{{e^2}} \over {4\pi {\varepsilon _

NEET 2017

MCQ (Single Correct Answer)

-1

A long solenoid of diameter 0.1 m has 2 $$ \times $$ 10⁴ turns per meter. At the centre of the solenoid, a coil of 100 turns and radius 0.01 m is placed with its axis coinciding with the solenoid axis. The current in the solenoid reduces at a constant rate to 0 A from 4 A in 0.05 s. If the resistance of the coil is 10 $$\pi $$² $$\Omega $$, the total charge flowing through the coil during this time is

16 $$\mu $$C

32 $$\mu $$C

16$$\pi $$ $$\mu $$C

32$$\pi $$ $$\mu $$C

NEET 2017

MCQ (Single Correct Answer)

-1

Two polaroids P₁ and P₂ are placed with their axis perpendicular to each other. Unpolarised light $$I$$₀ is incident on P₁. A third polaroid P₃ is kept in between P₁ and P₂ such that its axis makes an angle 45^o with that of P₁. The intensity of transmitted light through P₂ is

$${{{I_0}} \over 4}$$

$${{{I_0}} \over 8}$$

$${{{I_0}} \over 16}$$

$${{{I_0}} \over 2}$$

NEET 2017

MCQ (Single Correct Answer)

-1

A potentiometer is an accurate and versatile device to make electrical measurements of EMF because the method involves

potential gradients

a condition of no current flow through the galvanometer

a combination of cells, galvanometer and resistances

cells

NEET 2017

MCQ (Single Correct Answer)

-1

Young's double slit experiment is first performed in air and then in a medium other than air. It is found that 8^th bright fringe in the medium lies where 5^th dark fringe lies in air. The refractive index of the medium is nearly

1.59

1.69

1.78

1.25

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