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NEET 2019 Physics & Chemistry PYQ — Questions with Answers & Solutions

All 93 NEET 2019 Physics & Chemistry previous year questions, each with the correct answer and a step-by-step solution. Free — tap any question to solve it.

NEET 2019 Physics — 48 Questions

  1. 1A body weighs 200 N on the surface of the earth. How much will it weigh half way down to the centre of the earth?
  2. 2A hollow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the…
  3. 3Two parallel infinite line charges with linear charge densities +λ C/m and −λ C/m are placed at a distance of 2R in…
  4. 4Two point charges A and B, having charges +Q and −Q respectively, are placed at a certain distance apart and the force…
  5. 5Two particles A and B are moving in uniform circular motion in concentric circles of radii r_A and r_B with speeds v_A…
  6. 6The speed of a swimmer in still water is 20 m/s. The speed of river water is 10 m/s flowing due east. If he is standing…
  7. 7Two bullets are fired horizontally and simultaneously towards each other from the rooftops of two buildings 100 m apart…
  8. 8The radius of a circle, the period of revolution, the initial position and the sense of revolution are indicated in the…
  9. 9A particle starting from rest moves in a circle of radius r. It attains a velocity of V_0 m/s in the nth round. Its…
  10. 10When an object is shot up a long smooth inclined plane kept at 60^° with the horizontal, it travels a distance x₁ along…
  11. 11An object of mass 500 g, initially at rest, is acted upon by a variable force whose X-component varies with X as shown…
  12. 12A force F=20+10y acts on a particle in the y-direction, where F is in newton and y in metre. The work done by this…
  13. 13Body A of mass 4m moving with speed u collides with another body B of mass 2m at rest. The collision is head-on and…
  14. 14Six similar bulbs are connected as shown with a DC source of emf E and zero internal resistance. The ratio of power…
  15. 15In the two circuits shown (same 10 V cell, same 10 resistor; ideal meters, only the order of V and A swapped), the…
  16. 16Which of the following acts as a circuit protecting device?
  17. 17A particle P revolves in a circle as shown in the figure. The radius of the circle, the period of revolution, the…
  18. 18The displacement of a particle executing simple harmonic motion is y = A₀ + A sin ωt + B cos ωt. The amplitude of its…
  19. 19The average velocity of a particle executing SHM over one complete vibration is
  20. 20For a p-type semiconductor, which of the following statements is true?
  21. 21The correct Boolean operation represented by the circuit diagram drawn (an LED Y driven from +6 V through resistor R…
  22. 22A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when:
  23. 23A particle moving with velocity V is acted upon by three forces represented by the sides of a triangle PQR (taken in…
  24. 24A block of mass 10 kg is in contact with the inner wall of a hollow cylindrical drum of radius 1 m. The coefficient of…
  25. 25Two similar thin equi-convex lenses of focal length f each are kept coaxially in contact with each other such that the…
  26. 26In total internal reflection, when the angle of incidence is equal to the critical angle for the pair of media in…
  27. 27A copper rod of length 88 cm and an aluminium rod of unknown length have their increase in length independent of the…
  28. 28The SI unit of thermal conductivity is:
  29. 29A small hole of cross-sectional area 2 mm² is present near the bottom of a fully filled open tank of height 2 m. Taking…
  30. 30A soap bubble of radius 1 mm is blown from a detergent solution of surface tension 2.5 × 10⁻² N m⁻¹. The pressure…
  31. 31A 800 turn coil of effective area 0.05 m² is kept perpendicular to a magnetic field 5 × 10⁻⁵ T. When the plane of the…
  32. 32In which of the following devices, the eddy current effect is not used?
  33. 33The total energy of an electron in an atom in an orbit is –3.4 eV. Its kinetic and potential energies are, respectively:
  34. 34In a double slit experiment, when light of wavelength 400 nm was used, the angular width of the first minima formed on…
  35. 35In an experiment, the percentage errors in the measurement of physical quantities A, B, C and D are 1%, 2%, 3% and 4%…
  36. 36The unit of thermal conductivity is:
  37. 37Ionized hydrogen atoms and α-particles with same momenta enter perpendicular to a constant magnetic field B. The ratio…
  38. 38A cylindrical conductor of radius R is carrying a constant current. The plot of the magnitude of the magnetic field B…
  39. 39An electron is accelerated through a potential difference of 10000 V. Its de Broglie wavelength is, (nearly): (mₑ = 9 ×…
  40. 40A person in a lift drops a coin. The coin takes time t_1 to reach the floor when the lift is at rest, and time t_2 when…
  41. 41A person travelling in a straight line moves with a constant velocity v_1 for a certain distance x and with a constant…
  42. 42A solid cylinder of mass 2 kg and radius 4 cm rotates about its axis at 3 rpm. The torque required to stop it within 2…
  43. 43A parallel plate capacitor of capacitance 20 µF is being charged by a voltage source whose potential is changing at the…
  44. 44Increase in temperature of a gas filled in a container would lead to:
  45. 45When a block of mass M is suspended by a long wire of length L, the length of the wire becomes (L + l). The elastic…
  46. 46The stress-strain curves are drawn for two different materials X and Y. It is observed that the ultimate strength point…
  47. 47In which of the following processes, heat is neither absorbed nor released by a system?
  48. 48A circuit when connected to an AC source of 12 V gives a current of 0.2 A. The same circuit when connected to a DC…

NEET 2019 Chemistry — 45 Questions

  1. 1The number of sigma ( ) and pi ( ) bonds in pent-2-en-4-yne is
  2. 2Which of the following diatomic molecular species has only bonds according to Molecular Orbital Theory?
  3. 3Match the Xenon compounds in Column-I with their structure in Column-II and assign the correct code: Column-I: (a)…
  4. 4Aluminium chloride in acidified aqueous solution forms a complex 'A', in which the hybridisation state of Al is 'B'.…
  5. 5The number of sigma ( ) and pi ( ) bonds in pent-2-en-4-yne is
  6. 6The most suitable reagent for the following conversion is: CH3-C#C-CH3 -> cis-2-butene
  7. 7Among the following, the reaction that proceeds through an electrophilic substitution is:
  8. 8An alkene "A" on reaction with O3 and Zn-H2O gives propanone and ethanal in equimolar ratio. Addition of HCl to alkene…
  9. 9Which of the following reactions are disproportionation reactions? (a) 2Cu+ -> Cu^2+ + Cu (b) 3MnO4^2- + 4H+ -> 2MnO4^-…
  10. 10The manganate (MnO4^2-) and permanganate (MnO4^-) ions are tetrahedral, due to:
  11. 11Match the catalyst with the process: Catalyst (i) V2O5 (ii) TiCl4 + Al(CH3)3 (iii) PdCl2 (iv) Nickel complexes Process…
  12. 12When neutral or faintly alkaline KMnO4 is treated with potassium iodide, iodide ion is converted into 'X'. 'X' is
  13. 13The oxidation state of Cr in CrO5 is:
  14. 14The number of sigma ( ) and pi ( ) bonds in pent-2-en-4-yne is
  15. 15Among the following, the reaction that proceeds through an electrophilic substitution is:
  16. 16The compound that is most difficult to protonate is:
  17. 17The correct order of the basic strength of methyl-substituted amines in aqueous solution is:
  18. 18Which of the following reactions are disproportionation reactions? (a) 2Cu^+ -> Cu^2+ + Cu (b) 3MnO4^2- + 4H^+ ->…
  19. 19When neutral or faintly alkaline KMnO4 is treated with potassium iodide, iodide ion is converted into 'X'. 'X' is
  20. 20The oxidation state of Cr in CrO5 is
  21. 21The mixture that forms a maximum boiling azeotrope is:
  22. 22For an ideal solution, the correct option is:
  23. 23The compound that is most difficult to protonate is:
  24. 24The major product of the following reaction is: benzene-1,2-dicarboxylic acid (phthalic acid) ->[NH3][strong heating] ?
  25. 25Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is:
  26. 26The non-essential amino acid among the following is:
  27. 27Under isothermal condition, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar.…
  28. 28For the cell reaction 2Fe^3+(aq) + 2I^-(aq) -> 2Fe^2+(aq) + I2(aq), E^ cell = 0.24 V at 298 K. The standard Gibbs…
  29. 29For a cell involving one electron, E^ cell = 0.59 V at 298 K. The equilibrium constant for the cell reaction is: (Given…
  30. 30In which case is the change in entropy negative?
  31. 31The structure of intermediate A in the following reaction is: C6H5CH(CH3)2 + O2 -> A A ->[H+/H2O] C6H5OH + CH3COCH3
  32. 32For the cell reaction 2Fe^3+(aq) + 2I-(aq) -> 2Fe^2+(aq) + I2(aq), E^ cell = 0.24 V at 298 K. The standard Gibbs energy…
  33. 33For a cell involving one electron E^ cell = 0.59 V at 298 K, the equilibrium constant for the cell reaction is: (Given…
  34. 34If the rate constant for a first order reaction is k, the time t required for the completion of 99% of the reaction is…
  35. 35For the chemical reaction N2(g) + 3H2(g) <=> 2NH3(g) the correct option is:
  36. 364d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is:
  37. 37Which of the following series of transitions in the spectrum of the hydrogen atom falls in the visible region?
  38. 38Among the following, the reaction that proceeds through an electrophilic substitution is:
  39. 39An alkene A on reaction with O3 then Zn/H2O gives propanone and ethanal in equimolar ratio. Addition of HCl to alkene A…
  40. 40What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory?
  41. 41Aluminium chloride in acidified aqueous solution forms a complex 'A', in which the hybridisation state of Al is 'B'.…
  42. 42The Crystal Field Stabilisation Energy (CFSE) for [CoCl6]^4- is 18000 cm-1. The CFSE for [CoCl4]^2- will be:
  43. 43For the second period elements the correct increasing order of first ionisation enthalpy is:
  44. 44The number of moles of hydrogen molecules required to produce 20 moles of ammonia through the Haber process is
  45. 45The correct order of the basic strength of methyl-substituted amines in aqueous solution is:

NEET 2019 Biology — 87 Questions

Prefer chapter-wise? Solve NEET Biology PYQs by chapter.

  1. 1Select the incorrect statement:
  2. 2Select the incorrect statement:
  3. 3Which of the following is the most important cause of animals and plants being driven to extinction?
  4. 4Which of the following is the most important cause for animals and plants being driven to extinction?
  5. 5Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA…
  6. 6Under which of the following conditions will there be no change in the reading frame of following mRNA?…
  7. 7Purines found both in DNA and RNA are
  8. 8Match the following genes of the Lac operon with their respective products : Column-I (a) i gene (b) z gene (c) a gene…
  9. 9Which of the following pair of organelles does not contain DNA?
  10. 10The shorter and longer arms of a submetacentric chromosome are referred to as
  11. 11The concept of “Omnis cellula-e cellula” regarding cell division was first proposed by
  12. 12Which of the following statements regarding mitochondria is incorrect?
  13. 13Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial…
  14. 14Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the incorrect…
  15. 15DNA precipitation out of a mixture of biomolecules can be achieved by treatment with
  16. 16The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was…
  17. 17In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F1 generation pink flowers were…
  18. 18What is the genetic disorder in which an individual has an overall masculine development, gynaecomastia, and is sterile?
  19. 19Match Column I with Column II: Column I (a) Saprophyte (b) Parasite (c) Lichens (d) Mycorrhiza Column II (i) Symbiotic…
  20. 20How does steroid hormone influence the cellular activities?
  21. 21Which of the following glucose transporters is insulin-dependent?
  22. 22Identify A, B and C in the diagramatic representation of the mechanism of hormone action. Select the correct option…
  23. 23Match the following hormones with the respective disease. Column I (a) Insulin (b) Thyroxin (c) Corticoids (d) Growth…
  24. 24Which of the following conditions will stimulate parathyroid gland to release parathyroid hormone?
  25. 25Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex?
  26. 26Artificial light, extended work-time and reduced sleep-time disrupt the activity of
  27. 27Match the hominids with their correct brain size : (a) Homo habilis - (i) 900 cc (b) Homo neanderthalensis - (ii) 1350…
  28. 28In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3…
  29. 29A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the frequency of…
  30. 30Variations caused by mutation, as proposed by Hugo de Vries are
  31. 31Drug called 'Heroin' is synthesized by
  32. 32Which of the following immune responses is responsible for rejection of kidney graft?
  33. 33Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
  34. 34Colostrum the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart…
  35. 35In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as (NEET 2019)
  36. 36What is the fate of the male gametes discharged in the synergid? (NEET 2019)
  37. 37Persistent nucellus in the seed is known as
  38. 38Which one of the following statements regarding post-fertilization development in flowering plants is incorrect? (1)…
  39. 39Select the correct group of biocontrol agents.
  40. 40Match the following organisms with the products they produce: Column-I (a) Lactobacillus (b) Saccharomyces cerevisiae…
  41. 41Which of the following can be used as a biocontrol agent in the treatment of plant disease?
  42. 42Pinus seed cannot germinate and establish without fungal association. This is because :
  43. 43Which of the following is a commercial blood cholesterol lowering agent?
  44. 44Colostrum the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart…
  45. 45Select the correct sequence for transport of sperm cells in male reproductive system.
  46. 46Extrusion of second polar body from egg nucleus occurs :
  47. 47Which one of the following is not a method in situ conservation of biodiversity?
  48. 48The Earth Summit held in Rio de Janeiro in 1992 was called
  49. 49Match the items in Column-I with those in Column-II: Column-I (a) Podocytes (b) Protonephridia (c) Nephridia (d) Renal…
  50. 50Use of an artificial kidney during hemodialysis may result in : (a) Nitrogenous waste build-up in the body (b)…
  51. 51Match the following parts of a nephron with their function: (a) Descending limb of Henle's loop (b) Proximal convoluted…
  52. 52Which of the following factors is responsible for the formation of concentrated urine?
  53. 53Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following:
  54. 54Phloem in gymnosperms lacks:
  55. 55Select the hormone-releasing Intra-Uterine Devices.
  56. 56Which of the following contraceptive methods do involve a role of hormone? (NEET 2019)
  57. 57Which of the following sexually transmitted diseases is not completely curable? (NEET 2019)
  58. 58Match the Column-I with Column-II: Column-I (a) P-wave (b) QRS complex (c) T-wave (d) Reduction in the size of T-wave…
  59. 59All the components of the nodal tissue are autoexcitable. Why does the SA node act as the normal pacemakar?
  60. 60A specialised nodal tissue embedded in the lower corner of the right atrium, close to Atrio-ventricular septum, delays…
  61. 61What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of…
  62. 62Concanavalin A is
  63. 63Purines found both in DNA and RNA are
  64. 64Consider the following statement : (A) Coenzyme or metal ion that is tightly bound to enzyme protein is called…
  65. 65What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm? (NEET 2019)
  66. 66Which of the following is true for Golden rice?
  67. 67Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA…
  68. 68Match the following organisms with their respective characteristics : Column I A. Pila B. Bombyx C. Pleurobrachia D.…
  69. 69Consider following features (a) Organ system level of organisation (b) Bilateral symmetry (c) True coelomates with…
  70. 70Select the correct option.
  71. 71Which of the following muscular disorders is inherited?
  72. 72Match the following joints with the bones involved: List I (a) Gliding joint (b) Hinge joint (c) Pivot joint (d) Saddle…
  73. 73Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by
  74. 74Where is respiratory electron transport system (ETS) located in plants ?
  75. 75Respiratory Quotient (RQ) value of tripalmitin is
  76. 76Placentation in which ovules develop on the inner wall of the ovary or in peripheral part, is (NEET 2019)
  77. 77The maximum volume of air a person can breathe in after a forced expiration is known as :
  78. 78Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL, respectively. What will be his…
  79. 79Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory…
  80. 80Cell in G0 phase :
  81. 81The correct sequence of phases of cell cycle is :
  82. 82From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent…
  83. 83The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells…
  84. 84Match the following structures with their respective location in organs. List I A. Crypts of Lieberkuhn B. Glisson's…
  85. 85Which of the following ecological pyramids is generally inverted?
  86. 86Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus: (NEET-2019)
  87. 87It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to…
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