NEET 2017 | NEET Year Wise Previous Years Questions

Biology

Chemistry

1. Which one is the wrong statement ? 2. In which pair of ions both the species contain S $$-$$ S bond? 3. Which of the following reactions is appropriate for converting acetamide to methanamine? 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. In the electrochemical cell : $$Zn\left| {ZnS{O_4}\left( {0.01\,M} \right)} \right|$$$$\left| {CuS{O_4}\left( {1.0M} \ri 8. Mechanism of a hypothetical reaction X2 + Y2 $$ \to $$ 2XY, is given below : (i)   X2 $$ \to $$ X + X (fast 9. A first order reaction has a specific reaction rate of 10$$-$$2 sec$$-$$1. How much time will it take for 20 g of the re 10. It is because of inability of ns2 electrons of the valence shell to participate in bonding that 11. Match the interhalogen compounds of column-I with the geometry in column-II and assign the correct code. .tg {border-c 12. The correct increasing order of basic strength for the following compounds is 13. Name the gas that can readily decolourise acidified KMnO4 solution. 14. HgCl2 and I2 both when dissolved in water containing I$$-$$ ions, the pair of species formed is 15. The reason for greater range of oxidation states in actinoids is attributed to 16. An example of a sigma bonded organometallic compound is 17. The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes : CoCl3.6NH3 18. Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is 19. Pick out the correct statement with respect to [Mn(CN)6]3$$-$$. 20. The IUPAC name of the compound 21. The element Z = 114 has been discovered recently. It will belong to which of the following family/group and electronic c 22. The species, having bond angles of 120o is 23. Which of the following pairs of compounds is isostructural ? 24. Which one of the following pairs of species have the same bond order ? 25. For a given reaction, $$\Delta $$H = 35.5 kJ mol$$-$$1 and $$\Delta $$S = 83.6 J K$$-$$1 mol$$-$$1. The reaction is spon 26. A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 atm from an initial 27. The equilibrium constants of the following are N2 + 3H2 $$\rightleftharpoons$$ 2NH3;     K1 N2 28. Concentration of the Ag+ ions in a saturated solution of Ag2C2O4 is 2.2 $$ \times $$ 10$$-$$4 mol L$$-$$1. Solubility pr 29. A 20 litre container at 400 K contains CO2(g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO) 30. The correct statement regarding electrophile is 31. The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenols is 32. Which one is the correct order of acidity? 33. Predict the correct intermediate and product in the following reaction : $${H_3}C - C \equiv CH\mathrel{\mathop{\kern0pt 34. With respect to the conformers of ethane, which of the following statements is true? 35. Identify $$A$$ and predict the type of reaction. 36. The heating of phenyl methyl ether with HI produces 37. Which one is the most acidic compound? 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. Young's double slit experiment is first performed in air and then in a medium other than air. It is found that 8th brigh 2. A capacitor is charged by a battery. The battery is removed and another identical unchanged capacitor is connected in pa 3. The diagrams below show regions of equipotentials. A positive charge is moved from A to B in each diagram. 4. The resistance of a wire is 'R' ohm. If it is melted and stretched to 'n' times its original length. its new resistance 5. A potentiometer is an accurate and versatile device to make electrical measurements of EMF because the method involves 6. An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current $$'I'$$ alo 7. If $$\theta $$1 and $$\theta $$2 be the apparent angles of dip observed in two vertical planes at right angles to each o 8. 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 9. Figure shows a circuit that contains three identical resistors with resistance R = 9.0 $$\Omega $$ each, two identical i 10. 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 11. In an electromagnetic wave in free space that root mean square value of the electric field is Erms = 6 V m$$-$$1. The pe 12. The ratio of resolving powers of an optical microscope for two wavelength $$\lambda $$1 = 4000 $$\mathop A\limits^ \circ 13. Suppose the charge of a proton and an electron differ slightly. One of them is $$-$$e, the other is (e + $$\Delta $$e). 14. A beam of light from a source L is incident normally on a plane mirror fixed at a certain distance x from the source. Th 15. A thin prism having refracting angle 10o is made of glass of refractive infex 1.42. This prism is combined with another 16. Two polaroids P1 and P2 are placed with their axis perpendicular to each other. Unpolarised light $$I$$0 is incident on 17. The de-Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature T (kelvin) and mass m, i 18. The photoelectric threshold wavelength of silver is 3250 $$ \times $$ 10$$-$$10 m. The velocity of the electron ejected 19. The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is 20. Which one of the following represents forward bias diode ? 21. The given electrical network is equivalent to 22. The bulk modulus of a spherical object is 'B'. If it is subjected to uniform pressure 'P', the fractional decrease in r 23. Preeti reached the metro station and found that the escalator was not working. She walked up the sationary escalator i 24. The x and y coordinates of the particle at any time are x = 5t $$-$$ 2t2 and y = 10t respectively, where x and y are in 25. One end of string of length $$l$$ is connected to a particle of mass 'm' and the other end is connected to a small peg o 26. Two blocks A and B of masses 3m and m respectively are connected by a massless and inextensible string. The whole system 27. Consider a drop of rain water having mass 1 g falling from a height of 1 km. It hits the ground with a speed of 50 m s$$ 28. Which of the following statements are correct ? (1)   Centre of mass of a body always coincides with the 29. Two discs of same moment of inertia rotating about their regular axis passing through centre and perpendicular to the pl 30. A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder 31. 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 32. Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will 33. A U tube with both ends open to the atmosphere, is partially filled with water. Oil, which is immiscible with water, is 34. Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K1 and 35. 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 36. Thermodynamic processes are indicated in the following diagram. Match the following .tg {border-collapse:collapse;bor 37. A carnot engine having an efficiency of $${1 \over {10}}$$ as heat engine, is used as a refrigerator. If the work done o 38. A gas mixture consists of 2 moles of O2 and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total 39. 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 40. A particle executes linear simple harmonic motion with an amplitude of 3 cm. When the particle is at 2 cm from the mean 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 U tube with both ends open to the atmosphere, is partially filled with water. Oil, which is immiscible with water, is poured into one side until it stands at a distance of 10 mm above the water level on the other side. Meanwhile the water rises by 65 mm from its original level (see diagram). The density of the oil is

NEET 2017 Physics - Properties of Matter Question 77 English

NEET 2017 Physics - Properties of Matter Question 77 English

425 kg m^$$-$$3

800 kg m^$$-$$3

928 kg m^$$-$$3

650 kg m^$$-$$3

NEET 2017

MCQ (Single Correct Answer)

-1

Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K₁ and K₂. The thermal conductivity of the composite will be

NEET 2017 Physics - Properties of Matter Question 80 English

NEET 2017 Physics - Properties of Matter Question 80 English

$${{3\left( {{K_1} + {K_2}} \right)} \over 2}$$

$${K_1} + {K_2}$$

$$2\left( {{K_1} + {K_2}} \right)$$

$${{{K_1} + {K_2}} \over 2}$$

NEET 2017

MCQ (Single Correct Answer)

-1

A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be

450

1000

1800

225

NEET 2017

MCQ (Single Correct Answer)

-1

Thermodynamic processes are indicated in the following diagram.

NEET 2017 Physics - Heat and Thermodynamics Question 79 English

Match the following

Column-1		Column-2
P.	Process I	A.	Adiabatic
Q.	Process II	B.	Isobaric
R.	Process III	C.	Isochoric
S.	Process IV	D.	Isothermal

P $$ \to $$ C, Q $$ \to $$ A, R $$ \to $$ D, S $$ \to $$ B

P $$ \to $$ C, Q $$ \to $$ D, R $$ \to $$ B, S $$ \to $$ A

P $$ \to $$ D, Q $$ \to $$ B, R $$ \to $$ A, S $$ \to $$ C

P $$ \to $$ A, Q $$ \to $$ C, R $$ \to $$ D, S $$ \to $$ B

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