NEET 2023 Manipur | NEET Year Wise Previous Years Questions

Biology

Chemistry

1. Incorrect set of quantum numbers from the following is : 2. Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) 3. Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) 4. For a weak acid HA, the percentage of dissociation is nearly 1% at equilibrium. If the concentration of acid is 0.1 mol 5. The density of 1 M solution of a compound 'X' is 1.25 g mL$$^{-1}$$. The correct option for the molality of solution is 6. Consider the given reaction: $$\mathrm{CH}_3 \mathrm{COCH}_3 \stackrel{\text { dil } \mathrm{Ba}(\mathrm{OH})_2}{\longri 7. The $$\mathrm{E}^{\Theta}$$ values for $$\begin{aligned} & \mathrm{Al}^{+} / \mathrm{Al}=+0.55 \mathrm{~V} \text { and } 8. The correct order of dipole moments for molecules $$\mathrm{NH}_3, \mathrm{H}_2 \mathrm{~S}, \mathrm{CH}_4$$ and $$\math 9. Molar conductance of an electrolyte increase with dilution according to the equation: $$\Lambda_{\mathrm{m}}=\Lambda_{\m 10. Cheilosis occurs due to deficiency of _________. 11. The correct value of cell potential in volt for the reaction that occurs when the following two half cells are connected 12. Identify 'X' in above reactions 13. For a reaction $$3 \mathrm{~A} \rightarrow 2 \mathrm{~B}$$ The average rate of appearance of $$\mathrm{B}$$ is given by 14. The following conversion is known as: 15. Which amongst the following is used in controlling depression and hypetension? 16. Which one of the following represents all isoelectronic species ? 17. Given below are two statements: Statement I : The value of wave function, $$\psi $$ depends upon the coordinates of the 18. The correct van der Waals equation for 1 mole of a real gas is : 19. The correct option in which the density of argon (Atomic mass = 40) is highest: 20. Which of the following is correctly matched? 21. Which of the following is a positively charged sol? 22. Match List - I with List - II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style: 23. Which amongst the following reactions of alkyl halides produces isonitrile as a major product? (A) $$\mathrm{R-X+HCN\to} 24. Match the List - I with List - II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-st 25. Which one of the following statements is incorrect related to Molecular Orbital Theory? 26. An acidic buffer is prepared by mixing : 27. Reagents which can be used to convert alcohols to carboxylic acids, are (A) $$\mathrm{CrO}_3-\mathrm{H}_2 \mathrm{SO}_4$ 28. Select the element (M) whose trihalides cannot be hydrolysed to produce an ion of the form [M(H$$_2$$O$$_6$$]$$^{3+}$$ 29. The correct options for the rate law that corresponds to overall first order reaction is 30. Which amongst the following compounds/species is least basic? 31. Which of the following forms a set of complex and a double salt, respectively? 32. Given below are two statements: Statement I : High density polythene is formed in the presence of catalyst triethylalumi 33. Which amongst the following compounds will show geometrical isomerism? 34. Given below are two statements: Statement I : Hydrated chlorides and bromides of $$\mathrm{Ca}, \mathrm{Sr}$$ and $$\mat 35. The correct order for the rate of $$\alpha,\beta$$-dehydrohalogenation for the following compounds is _________. 36. How many number of tetrahedral voids are formed in $$5 \mathrm{~mol}$$ of a compound having cubic close packed structure 37. Type of isomerism exhibited by compounds $$ \left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3,\left[ 38. The correct sequence given below containing neutral, acidic, basic and amphoteric oxide each, respectively, is 39. Read the following statements and choose the set of correct statements : (A) Chrome steel is used for cutting tools and 40. Choose the correct sequence of reagents in the conversion of 4-nitrotoluene to 2-bromotoluene. 41. How are edge length '$$a$$' of the unit cell and radius '$$r$$' of the sphere related to each other in ccp structure? (C 42. Identify the product in the following reaction 43. Given below are two statements: Statement I : In an organic compound, when inductive and electromeric effects operate in 44. The correct option for a redox couple is: 45. Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) 46. Consider the following reaction :- $$2 \mathrm{H}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{H}_2 \m 47. Which statement is not true about photochemical smog? 48. Which amongst the following aqueous solution of electrolytes will have minimum elevation in boiling point? Choose the co 49. Identify 'X' in the following reaction. 50. The major product formed in the following conversion is ___________.

Physics

1. The variation of susceptibility $$(\chi)$$ with absolute temperature ( $$\mathrm{T}$$ ) for a paramagnetic material is r 2. A bullet of mass $$m$$ hits a block of mass $$M$$ elastically. The transfer of energy is the maximum, when : 3. The ground state energy of hydrogen atom is $$-13.6 ~\mathrm{eV}$$. The energy needed to ionize hydrogen atom from its s 4. The escape velocity of a body on the earth surface is $$11.2 \mathrm{~km} / \mathrm{s}$$. If the same body is projected 5. A lens is made up of 3 different transparent media as shown in figure. A point object O is placed on its axis beyond $$2 6. The diameter of a spherical bob, when measured with vernier callipers yielded the following values : $$3.33 \mathrm{~cm} 7. On the basis of electrical conductivity, which one of the following material has the smallest resistivity? 8. The mechanical quantity, which has dimensions of reciprocal of mass $$(\mathrm{M}^{-1})$$ is : 9. The position of a particle is given by $$\vec{r}(t)=4 t \hat{i}+2 t^2 \hat{j}+5 \hat{k} $$ where $$\mathrm{t}$$ is in se 10. For the given cycle, the work done during isobaric process is: 11. The equivalent capacitance of the arrangement shown in figure is: 12. An ac source is connected in the given circuit. The value of $\phi$ will be : 13. The given circuit is equivalent to: 14. A particle moves with a velocity $$(5 \hat{i}-3 \hat{j}+6 \hat{k}) ~\mathrm{ms}^{-1}$$ horizontally under the action of 15. A certain wire $$\mathrm{A}$$ has resistance $$81 ~\Omega$$. The resistance of another wire $$\mathrm{B}$$ of same mater 16. $$\epsilon_0$$ and $$\mu_0$$ are the electric permittivity and magnetic permeability of free space respectively. If the 17. The amount of elastic potential energy per unit volume (in SI unit) of a steel wire of length $$100 \mathrm{~cm}$$ to st 18. The $$4^{\text {th }}$$ overtone of a closed organ pipe is same as that of $$3^{\text {rd }}$$ overtone of an open pipe. 19. A long straight wire of length $$2 \mathrm{~m}$$ and mass $$250 \mathrm{~g}$$ is suspended horizontally in a uniform hor 20. According to Gauss law of electrostatics, electric flux through a closed surface depends on : 21. A ball is projected from point A with velocity $$20 \mathrm{~m} \mathrm{~s}^{-1}$$ at an angle $$60^{\circ}$$ to the hor 22. Which of the following statement is not true? 23. A uniform electric field and a uniform magnetic field are acting along the same direction in a certain region. If an ele 24. A horizontal ray of light is incident on the right angled prism with prism angle $$6^{\circ}$$. If the refractive index 25. A p-type extrinsic semiconductor is obtained when Germanium is doped with: 26. Which set of colours will come out in air for a situation shown in figure? 27. If Z$$_1$$ and Z$$_2$$ are the impedances of the given circuits (a) and (b) as shown in figures, then choose the correct 28. The wavelength of Lyman series of hydrogen atom appears in: 29. The above figure shows the circuit symbol of a transistor. Select the correct statements given below: (A) The transisto 30. The de Broglie wavelength associated with an electron, accelerated by a potential difference of 81 V is given by: 31. The maximum power is dissipated for an ac in a/an: 32. The maximum kinetic energy of the emitted photoelectrons in photoelectric effect is independent of: 33. Two particles A and B initially at rest, move towards each other under mutual force of attraction. At an instance when t 34. A charge $$\mathrm{Q} ~\mu \mathrm{C}$$ is placed at the centre of a cube. The flux coming out from any one of its faces 35. The viscous drag acting on a metal sphere of diameter $$1 \mathrm{~mm}$$, falling through a fluid of viscosity $$0.8 \ma 36. If $$\mathrm{R}$$ is the radius of the earth and $$\mathrm{g}$$ is the acceleration due to gravity on the earth surface. 37. A copper wire of radius $$1 \mathrm{~mm}$$ contains $$10^{22}$$ free electrons per cubic metre. The drift velocity for f 38. An object is mounted on a wall. Its image of equal size is to be obtained on a parallel wall with the help of a convex l 39. If a conducting sphere of radius $$\mathrm{R}$$ is charged. Then the electric field at a distance $$\mathrm{r}(\mathrm{r 40. A block of mass 2 kg is placed on inclined rough surface AC (as shown in figure) of coefficient of friction $$\mu$$. If 41. A container of volume $$200 \mathrm{~cm}^3$$ contains 0.2 mole of hydrogen gas and 0.3 mole of argon gas. The pressure o 42. To produce an instantaneous displacement current of $$2 \mathrm{~mA}$$ in the space between the parallel plates of a cap 43. An emf is generated by an ac generator having 100 turn coil, of loop area $$1 \mathrm{~m}^2$$. The coil rotates at a spe 44. For very high frequencies, the effective impedance of the circuit (shown in the figure) will be:- 45. A constant torque of $$100 \mathrm{~N} \mathrm{~m}$$ turns a wheel of moment of inertia $$300 \mathrm{~kg} \mathrm{~m}^2 46. The emf of a cell having internal resistance $$1 \Omega$$ is balanced against a length of $$330 \mathrm{~cm}$$ on a pote 47. A $$1 \mathrm{~kg}$$ object strikes a wall with velocity $$1 \mathrm{~m} \mathrm{~s}^{-1}$$ at an angle of $$60^{\circ}$ 48. The angular momentum of an electron moving in an orbit of hydrogen atom is $$\mathrm{1.5\left(\frac{h}{\pi}\right)}$$. T 49. A particle is executing uniform circular motion with velocity $$\vec{v}$$ and acceleration $$\vec{a}$$. Which of the fol 50. A simple pendulum oscillating in air has a period of $$\sqrt{3} \mathrm{~s}$$. If it is completely immersed in non-visco

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

The correct option for a redox couple is:

Both are oxidised forms involving same element.

Both are reduced forms involving same element.

Both the reduced and oxidised forms involve same element.

Cathode and anode together.

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Ionisation enthalpies of early actinoids are lower than for early lanthanoids.

Reason (R) : Electrons are entering 5f orbitals in actinoids which experience greater shielding from nuclear charge.

In the light of the above statements, choose the correct answer from the options given below :

(A) is true but (R) is false.

(A) is false but (R) is true.

Both (A) and (R) are true and (R) is the correct explanation of (A).

Both (A) and (R) are true but (R) is not the correct explanation of (A).

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

Consider the following reaction :-

$$2 \mathrm{H}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{H}_2 \mathrm{O}(\mathrm{g}) \Delta_{\mathrm{r}} \mathrm{H}^{\circ}=-483.64 \mathrm{~kJ} \text {. }$$

What is the enthalpy change for decomposition of one mole of water? (Choose the right option).

120.9 kJ

241.82 kJ

18 kJ

100 kJ

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

Out of Syllabus

Which statement is not true about photochemical smog?

Photochemical smog is harmful to humans but has no effect on plants.

Plants like Pinus, Juniparus can help in reducing the photochemical smog.

Photochemical smog occurs in warm, dry and sunny climate.

Common components of Photochemical smog are ozone, nitric oxide, acrolein, formaldehyde and peroxyacetyl nitrate.

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