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KCET 2020

Browse the complete Chemistry, Mathematics, and Physics question set from the KCET 2020 paper, question by question. Each question shows a quick preview so you can jump straight to the topic or subject you want to revise. Click through to attempt the full question in practice mode, or head back to the paper-wise list to download the entire paper as a PDF.

This paper has 180 questions in total - 100 easy (56%), 65 moderate (36%) and 15 tough (8%). That's an easier-than-usual mix for this exam - aim to clear it quickly and save time for the harder papers. By subject: Chemistry 57% easy, 33% moderate, 10% tough; Mathematics 55% easy, 42% moderate, 3% tough; Physics 55% easy, 33% moderate, 12% tough.

Chemistry questions were spread across 30 chapters, with Chemical Bonding and Molecular Structure (5), Biomolecules (3), and Chemical Kinetics (3) carrying the most weight. Mathematics questions were spread across 25 chapters, with Indefinite Integration (5), Probability (5), and Three Dimensional Geometry (5) carrying the most weight. Physics questions were spread across 24 chapters, with Current Electricity (6), Electrostatics (6), and Magnetic Effects of Current (6) carrying the most weight.

Chemistry

  1. 1Copper is extracted from copper pyrites by2020Reduction to Crude Metal
  2. 2Function of potassium ethyl xanthate in froth floatation process is to make the ore2020Concentration of the Ore
  3. 3Sulphide ore on roasting gives a gas reacts with in the presence of activated charcoal to give . is2020Minerals and ores
  4. 4Aqueous solution of a salt forms a dense white precipitate with solution. The precipitate dissolves in dilute to produce a gas which decolou2020Radicals
  5. 5Bond angle is is more than that of . This is because2020Hybridisation and VSEPR Theory
  6. 6Incorrectly matched pair is2020Hybridisation and VSEPR Theory
  7. 7Phosphorus pentachloride2020Phosphorus and Its Compounds
  8. 8Identify the set of paramagnetic ions among the following.2020Properties of D-block elements
  9. 9How many moles of acidified is required to liberate 6 moles of from an aqueous solution of ?2020Compounds of Transition Metals
  10. 10For and in aqueous medium, which of the following statement is correct?2020Properties of D-block elements
  11. 11The coordination number of and in the complex ions, and are respectively2020Terminology of coordination compounds
  12. 12Number of stereoisomers exhibited by is2020Isomerism of coordination compounds
  13. 13Give the IUPAC name of is2020Nomenclature of coordination compounds
  14. 14Prolonged exposure of chloroform in humans may cause damage to liver. It is due to the formation of the following compound.2020Air Pollution
  15. 15Which of the following halide shows highest reactivity towards reaction?2020Preparation and Properties of Monohalides
  16. 16In the reaction, The number of possible isomers for the organic compound is2020Preparation and Properties of Amines
  17. 17Which of the following on heating gives an ether as major products? (P) (Q) (R) (S)2020Preparation of Ethers
  18. 18The steps involved in the conversion of propan -2-ol to propan - -ol are in the order2020Reactions of Alcohols
  19. 19Which of the following is the strongest base?2020Electron displacement effects
  20. 20The product ' is2020Chemical reactions for aldehydes and ketones
  21. 21Which of the following has the lowest boiling point?2020Properties of ionic compounds
  22. 22The carbonyl compound that does not undergo aldol condensation is2020Chemical reactions for aldehydes and ketones
  23. 23The final product for the reaction is2020Reactions of aromatic compounds
  24. 24Hinsberg's reagent is2020Preparation and Properties of Amines
  25. 25Which one of the following vitamins is not stored in adipose tissue?2020Vitamins
  26. 26Hypothyroidism is caused by the deficiency of2020Vitamins
  27. 27glycosidic bond is not found in2020Disaccharides and Polysaccharides
  28. 28Which of the following polymer has strongest intermolecular forces of attraction?2020Classification of Polymers
  29. 29Which of the following monomers can undergo condensation polymerisation?2020Classification of Polymers
  30. 30A food additive that acts as an antioxidant is2020Artificial Sweetning Agents and Food Preservatives
  31. 31Which of the following is not related to drug-enzyme interaction?2020Enzymes and Receptors
  32. 32of dihydrogen is made to react with of dichlorine to form hydrogen chloride. The volume of hydrogen chloride formed at and 1 bar pressure is2020Laws of chemical combination
  33. 33With regard to photoelectric effect, identify the correct statement among the following.2020Dual Behaviour of Matter and Heisenberg Uncertainty Principle
  34. 34The last element of the -block in 6th period is represented by the outer most electronic configuration.2020Electronic configuration
  35. 35The conjugate base of is2020Theories of Acids and Bases
  36. 36A gas mixture contains He and by volume at a given temperature and pressure. The percentage by mass of methane in the mixture is approximate2020Mixture of gases
  37. 37The percentage of -character in the hybrid orbitals of nitrogen in respectively are2020Polarization
  38. 38The formal charge on central oxygen atom in ozone is2020Polarization
  39. 39When the same quantity of heat is absorbed by a system at two different temperatures and , such that , change in entropies are and respectiv2020Entropy and Second law of thermodynamics
  40. 40The oxidation number of nitrogen atoms in are2020Oxidation number
  41. 41A Lewis acid ' ' reacts with in ether medium to give a highly toxic gas. This gas when heated with gives a compound commonly known as inorga2020Boron and Its Compounds
  42. 42The oxide of potassium that does not exist is2020Compounds of Alkali Metals
  43. 43The metal that produce with both dil. and is2020Oxidation and Reduction Reactions
  44. 44Which of the following is not a pair of functional isomers?2020Isomerism of Organic Compounds
  45. 45Identify ' in the following reaction.2020Reactions of aromatic compounds
  46. 46Which of the following is not a green house gas?2020Air Pollution
  47. 47A metal exists as an oxide with formula . Metal, can exist as and in its oxide . The percentage of in the oxide is nearly2020Laws of chemical combination
  48. 48A metal crystallises in face centred cubic structure with metallic radius . The volume of the unit cell (in ) is2020Cubic system
  49. 49Silicon doped with gallium forms2020Periodic properties
  50. 50The pair of electrolytes that posses same value for the constant in the Debye-Huckel-Onsager equation, is2020Conductance and Conductivity
  51. 51Which of the following pair of solutions is isotonic?2020Solubility and Concentration of Solutions
  52. 52Solute ' dimerises in water to the extent of of ' in of water increases the boiling point by . The molar mass of is2020Colligative Properties and Abnormal Molecular Masses
  53. 53Given and . The equilibrium constant for the reaction taking place in galvanic cell consisting of above two electrodes is2020Cells and Electrode Potential, Nernst Equation
  54. 54If an aqueous solution of is electrolysed between inert electrodes, the product obtained at anode is2020Oxidation and Reduction Reactions
  55. 55In which of the following cases a chemical reaction is possible?2020Cells and Electrode Potential, Nernst Equation
  56. 56The time required for completion of a first order reaction is . The time required for completion of the same reaction will be2020Integrated rate laws
  57. 57For an elementary reaction the rate of appearance of at time ' ' is . Rate of disappearance of at ' '. will be2020Rate of reaction
  58. 58The rate constant of a reaction is given by under standard notation. In order to speed up the reaction, which of the following factors has t2020Arrhenius theory
  59. 59A sol of is prepared by mixing equal volumes of and , which of the following statement is correct?2020Adsorption
  60. 60During adsorption of a gas on a solid at low temperature2020Adsorption

Mathematics

  1. 1If , then is2020Parametric differentiation
  2. 2If , then is2020Tangent Normal
  3. 3The right hand and left hand limit of the function are respectively.2020Logarithmic differentiation
  4. 4If , then is2020Rate Measure Error and Approximation
  5. 5If the curves and intersect perpendicularly, then the value of is2020Integration by Substitution
  6. 6If , then is2020Maxima Minima
  7. 7If the side of a cube is increased by , then the surface area of a cube is increased by2020Integration by Substitution
  8. 8The value of is2020Integration by Parts
  9. 9The maximum value of , if is2020Integration using Partial Fraction
  10. 10The value of is2020Integration by Substitution
  11. 11The value of is2020Area bounded by two curves
  12. 12If , then the values of and are respectively2020Properties of Periodic Functions
  13. 13Find the value of is2020Order and Degree
  14. 14The area of the region bounded by the curve and the line is2020Homogeneous DE
  15. 15The value of is2020Area bounded by two curves
  16. 16The order of the differential equation obtained by eliminating arbitrary constants in the family of curves is2020Algebra of Vectors
  17. 17The general solution of the differential equation is2020Product of 2 vectors
  18. 18The area of the region bounded by the line -axis and the ordinates and is2020Tangent Normal
  19. 19The two vector and represent the two sides and respectively of a . The length of the median through is2020Product of 2 vectors
  20. 20If and are unit vectors and is the angle between and , then is equal to2020Basics of point in 3 dimension
  21. 21The curve passing through the point given that the slope of the tangent at any point is represents2020Algebra of Vectors
  22. 22If , then is equal to2020Line in Space
  23. 23The point lies in the octant2020Line and Plane
  24. 24If the vectors and are coplanar, then the value of is2020Direction Cosines and Direction Ratios
  25. 25The distance of the point from the line is2020Linear Programming
  26. 26The sine of the angle between the straight line and the plane is2020Linear Programming
  27. 27If a line makes an angle of with each of and -axis, then the acute angle made by -axis is2020Classical Definition of Probability
  28. 28Corner points of the feasible region determined by the system of linear constraints are and . Let , where, . Condition on and , so that the 2020Classical Definition of Probability
  29. 29The feasible region of an LPP is shown in the figure. If , then the maximum value of occurs at2020Conditional Probability and Multiplication Theorem
  30. 30A die is thrown 10 times, the probability that an odd number will come up at least one time is2020Baye's Theorem
  31. 31If and are two events such that and , then is2020Questions on number of relations and sets
  32. 32Events and from a partition of the sample space is any event such that and , then is2020Basic Identities & T Ratios
  33. 33The probability of solving a problem by three persons and independently is and respectively. Then the probability of the problem is solved b2020Transformation Formulas
  34. 34If and total number of possible relations from Set A to set B is 1024 , then is2020Questions on number of relations and sets
  35. 35The value of is2020Geometry of Complex Number
  36. 36If , then the value of2020Sum of Series
  37. 37If , then the number of subsets of A which contain at least two elements is2020Multinomial Theorem
  38. 38If , then the equation represents2020Mathematical Induction
  39. 39The value of is2020Line in Space
  40. 40The number of terms in the expansion of is2020standard equation of parabola
  41. 41If ! Then the smallest positive integer for which is true if2020Arithmetic Progression
  42. 42The two lines and are perpendicular if2020Mathematical Reasoning
  43. 43If the parabola passes through the point , then the length of the latus rectum is2020Mean Square Deviation
  44. 44If the sum of terms of an AP is given by , then the common difference of the AP is2020Trigonometric and Inverse Trigonometric limits
  45. 45The negation of the statement "For all real numbers and is2020Questions on Symmetric Transitive and Reflexive Properties
  46. 46The standard deviation of the data , 10 is2020Range
  47. 47is equal to2020Independent Events
  48. 48If a relation on the set be defined by , then is2020Domain
  49. 49Let be the function defined , then the ranges of is2020Principal Value and Basics
  50. 50If are three mutually exclusive and exhaustive events of an experiment such that , then is equal to2020Product of Matrices
  51. 51The domain of the function defined by is2020Number of Solutions
  52. 52The value of is2020Inverse of a Matrix
  53. 53If , then is equal to2020Expansion of Determinants
  54. 54If , then the number of binary operations on is2020Symmetric & Skew Symmetric Matrices
  55. 55If , then the matrix is2020Adjoint and its Properties
  56. 56If , then2020Continuity
  57. 57If and are square matrices of same order and is a skew symmetric matrix, then is2020Expansion of Determinants
  58. 58If is a square matrix of order 3 and , then adj. is2020Differentiation of composite functions
  59. 59If is continuous at , then the value of is2020Differentiation of Inverse Trigonometric Functions
  60. 60If are in , then the value of is2020Existance of Limit

Physics

  1. 1The value of acceleration due to gravity at a height of from the surface of earth is . At what depth inside the earth is the value of the ac2020Motion Under Gravity
  2. 2Young's modulus of a perfect rigid body is2020Young's Modulus and Breaking Stres
  3. 3A wheel starting from rest gains an angular velocity of after uniformly accelerated for . The total angle through which it has turned is2020Rotational kinematics
  4. 4Iceberg floats in water with part of it submerged. What is the fraction of the volume of iceberg submerged, if the density of ice is ?2020Archmidies Principle
  5. 5A sphere, a cube and a thin circular plate all of same material and same mass initially heated to same high temperature are allowed to cool 2020Convection
  6. 6In an adiabatic expansion of an ideal gas the product of pressure and volume2020Thermodynamic Processes
  7. 7A certain amount of heat energy is supplied to a monoatomic ideal gas which expands at constant pressure. What fraction of the heat energy i2020First Law of Thermodynamics
  8. 8A tray of mass is supported by two identical springs as shown in figure. When the tray is pressed down slightly and then released, it execut2020Work done
  9. 9A train whistling at constant frequency is moving towards a station at a constant speed . The train goes past a stationary observer on the s2020Doppler's Effect
  10. 10A point charge is placed at the corner of a cube of side as shown in the figure. What is the electric flux through the face ?2020Electric Flux and Gauss Law
  11. 11The electric field lines on the left have twice the separation on those on the right as shown in figure. If the magnitude of the field at is2020Electric Field and Electric Field Lines
  12. 12An infinitely long thin straight wire has uniform charge density of . What is the magnitude of electric field at a distance from the axis of2020Electric Field and Electric Field Lines
  13. 13A dipole moment and moment of inertia is placed in a uniform electric field . If it is displaced slightly from its stable equilibrium positi2020Electric Dipole
  14. 14The difference between equivalent capacitances of two identical capacitors connected in parallel to that in series is . The value of capacit2020Grouping of capacitors
  15. 15Figure shows three points and in a region of uniform electric field . The line is perpendicular and is parallel to the field lines. Then, wh2020Electric Potential and Potential Energy
  16. 16When a soap bubble is charged?2020Surface tension
  17. 17A hot filament liberates an electron with zero initial velocity. The anode potential is . The speed of the electron when it strikes the anod2020Matter Waves
  18. 18A metal rod of length and a rectangular cross-section of is connected to a battery across opposite faces. The resistance will be2020Combination of Resistances
  19. 19A car has a fresh storage battery of emf and internal resistance . If the starter motor draws a current of . Then, the terminal voltage when2020Electric Cell or Battery
  20. 20A potentiometer has a uniform wire of length . A battery of emf and negligible internal resistance is connected between its ends. A secondar2020Electric Instruments
  21. 21The colour code for a carbon resistor of resistance is2020Color coding of resistors
  22. 22Each resistance in the given cubical network has resistance of and equivalent resistance between and is2020Combination of Resistances
  23. 23characteristic of a copper wire of length and area of cross-section is shown in figure. The slope of the curve becomes2020Electric Current and Drift of Electrons
  24. 24In the given figure, the magnetic field at .2020Biot-Savart's Law and Ampere's Circuital Law
  25. 25The magnetic field at the origin due to a current element placed at a point with vector position is2020Magnetic Field
  26. 26A long cylindrical wire of radius carries a uniform current flowing through it. The variation of magnetic field with distance from the axis 2020Magnetic Field
  27. 27A cyclotron is used to accelerate protons deuterons and -particles . While exiting under similar conditions, the minimum KE is gained by2020Motion of Charged Particle in Magnetic Field
  28. 28A paramagnetic sample shows a net magnetisation of when placed in an external magnetic field of at a temperature of . When the same sample i2020Magnetic Materials and their Properties
  29. 29The ratio of magnetic field at the centre of a current carrying circular coil to its magnetic moment is , if the current and the radius both2020Magnetic Field
  30. 30In a permanent magnet at room temperature2020Magnetic Materials and their Properties
  31. 31A rod of length slides with a speed of on a rectangular conducting frame as shown in figure. There exists a uniform magnetic filed of perpen2020Motional and Rotational EMF
  32. 32The current in a coil of inductance changes from to in . The magnitude of the average induced emf in the coil is2020LR Circuit
  33. 33In the given circuit the peak voltage across , and are and , respectively. The rms value of the applied voltage is2020AC Circuits
  34. 34The power factor of circuit is . If the inductive reactance is . The value of resistance is2020Quality and Power Factor
  35. 35In the given circuit, the resonant frequency is2020Parallel AC Circuits
  36. 36A light beam of intensity is incident normally on a perfectly reflecting surface of sides . The momentum imparted to the surface by the ligh2020Matter Waves
  37. 37An object approaches a convergent lens from the left of the lens with a uniform speed and stops at the focus, the image2020Lens Formula, Refraction of light from curved surface
  38. 38The refracting angle of prism is and refractive index of material of prism is . The angle of minimum deviation is2020Prism and Dispersion of Light
  39. 39The following figure shows a beam of light converging at point . When a concave lens of focal length is introduced in the path of the beam a2020Lens Formula, Refraction of light from curved surface
  40. 40Three polaroid sheets and are kept parallel to each other such that the angle between pass axes of and is and that between and is . If unpol2020Polarization of Light
  41. 41Two poles are separated by a distance of . The resolving power of human eye is of an arc. The maximum distance from which he can identify th2020Human eye
  42. 42In Young's double slit experiment, the distance between the slits and the screen is and the distance between the two slits is . If a thin tr2020Youngs Double Slit Experiment
  43. 43The de-Broglie wavelength associated with electron of hydrogen atom in this ground state is2020Bohr's Atomic Model
  44. 44The following graph represents the variation of photocurrent with anode potential for a metal surface. Here and represents intensities and r2020Photoelectric Effect
  45. 45The period of revolution of an electron revolving in nth orbit of H-atom is proportional to2020Bohr's Atomic Model
  46. 46Angular momentum of an electron in hydrogen atom is is the Planck's constant). The KE of the electron is2020Matter Waves
  47. 47A beam of fast moving alpha particles were directed towards a thin film of gold. The parts and of the transmitted and reflected beams corres2020Atomic Structure
  48. 48Two protons are kept at a separation of . Let and the nuclear force and the electromagnetic force between them2020Electric Charge and Coulomb's law
  49. 49During a -decay2020Radioactivity
  50. 50A radio-active elements has half-life of 15 years. What is the fraction that will decay in 30 years?2020Radioactivity
  51. 51A AC supply is connected between points and as shown in figure, what will be the potential difference across the capacitor?2020Diodes
  52. 52In the following circuit what are and2020Logic gates
  53. 53A positive hole in a semiconductor is2020Semiconductors
  54. 54Two long straight parallel wires are a distance part. They carry steady equal currents flowing out of the plane of the paper. The variation 2020Force and Torque on Current Carrying Conductor
  55. 55A cylindrical wire has a mass , radius and length . The maximum percentage error in the measurement of its density is2020Errors of Measurement
  56. 56At a metro station, a girl walks up a stationary escalator in . If she remains stationary on the escalator, then the escalator take her up i2020Relative Motion
  57. 57Rain is falling vertically with a speed of . A woman rides a bicycles with a speed of in east to west direction. What is the direction in wh2020Relative motion
  58. 58One end of a string of length is connected to a particle of mass and the other to a small peg on a smooth horizontal table. If the particle 2020Newton's laws of motion
  59. 59A body is initially at rest. It undergoes one-dimensional motion with constant acceleration. The power delivered to it at time is proportion2020Uniform Motion
  60. 60A thin uniform rectangular plate of mass is placed in -plane as shown in figure. The moment of inertial about -axis is and the moment of ine2020Moment of inertia of rigid bodies

Frequently Asked Questions

1.How many questions are in the KCET 2020 paper?

This paper has 180 questions in total - 60 each from Chemistry, Mathematics, and Physics.

2.Can I practise questions from just one subject?

Yes. Use the Chemistry, Mathematics, and Physics tabs at the top of the page to jump directly to that subject's question set within this paper.

3.How is the KCET 2020 paper structured?

The KCET 2020 paper on MARKS has 180 questions, organised by subject:

  • Chemistry: 60 questions - 60 single-correct.
  • Mathematics: 60 questions - 60 single-correct.
  • Physics: 60 questions - 60 single-correct.
4.How difficult is the KCET 2020 paper?

Each question on MARKS carries a difficulty rating. Of the 180 rated questions in this paper, 100 (56%) are easy, 65 (36%) are medium and 15 (8%) are hard. Subject wise:

  • Chemistry: 34 easy, 20 medium, 6 hard
  • Mathematics: 33 easy, 25 medium, 2 hard
  • Physics: 33 easy, 20 medium, 7 hard
5.Which chapters were asked the most in the KCET 2020 paper?

The chapters with the most questions in each subject were:

  • Chemistry: Chemical Bonding and Molecular Structure (5), Biomolecules (3), and Chemical Kinetics (3).
  • Mathematics: Indefinite Integration (5), Probability (5), and Three Dimensional Geometry (5).
  • Physics: Current Electricity (6), Electrostatics (6), and Magnetic Effects of Current (6).
6.Where can I find the solutions for the KCET 2020 paper?

Open any question on this page. Its page shows the correct answer and, where one is available, the worked solution. A downloadable PDF of the whole paper is coming soon.

7.How should I use the KCET 2020 paper to check my preparation?

Set a timer, attempt the 180 questions as you would in the exam, and only then open the answers. Note which subjects and chapters cost you the most marks, and revise those first using the chapter-wise practice for KCET. Repeating this with other papers shows whether the same weak spots keep coming back.

8.Will the KCET 2020 paper help me prepare for KCET 2027?

Yes. Every past paper shows the question styles and topics KCET has asked before, and a solved paper gives you a realistic benchmark for speed and accuracy. Use it along with the other papers to spot the chapters that keep returning.