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BITSAT 2023 Memory Based Paper 1

Browse the complete Chemistry, Mathematics, and Physics question set from the BITSAT 2023 Memory Based Paper 1 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 100 questions in total - 55 easy (55%), 35 moderate (35%) and 10 tough (10%). That's an easier-than-usual mix for this exam - aim to clear it quickly and save time for the harder papers. By subject: Physics 50% easy, 37% moderate, 13% tough; Chemistry 43% easy, 47% moderate, 10% tough; Mathematics 68% easy, 25% moderate, 8% tough.

Chemistry questions were spread across 26 chapters, with General Organic Chemistry (3), Electrochemistry (2), and Structure of Atom (2) carrying the most weight. Mathematics questions were spread across 27 chapters, with Probability (4), Quadratic Equation (4), and Application of Derivatives (3) carrying the most weight. Physics questions were spread across 25 chapters, with Dual Nature of Matter (2), Electromagnetic Induction (2), and Electromagnetic Waves (2) carrying the most weight.

Chemistry

  1. 1Frenkel and Schottky defects are :2023 (Memory Based Paper 1)Stoichiometric defects
  2. 2The Bohr orbit radius for the hydrogen atom is approximately . The radius for the first excited state orbit is (in )2023 (Memory Based Paper 1)Bohr's model
  3. 3The probability density plots of and orbitals are given in figure. The density of dots in a region represents the probability density of fin2023 (Memory Based Paper 1)Quantum mechanical model
  4. 4Element with electronic configuration belongs to the following group of the periodic table2023 (Memory Based Paper 1)Modern periodic table
  5. 5Which of the following pairs will form the most stable ionic bond?2023 (Memory Based Paper 1)Ionic bond
  6. 6How much ethyl alcohol must be added to 1 litre of water so that the solution will freeze at ? for water2023 (Memory Based Paper 1)Colligative Properties and Abnormal Molecular Masses
  7. 7The conductivity of a weak acid HA of concentration is . If , the ionization constant of is equal to _______ x .2023 (Memory Based Paper 1)Conductance and Conductivity
  8. 8Plots showing the variation of the rate constant with temperature are given below. The plot that follows Arrhenius equation is2023 (Memory Based Paper 1)Arrhenius theory
  9. 9Which of the following method is used for coagulation of the sol?2023 (Memory Based Paper 1)Properties of colloidal solution
  10. 10The reaction that does NOT take place in a blast furnace between to temperature range during extraction of iron is :2023 (Memory Based Paper 1)Extraction of Metals
  11. 11Kinetic theory of gases proves2023 (Memory Based Paper 1)Kinetic theory of gases
  12. 12If enthalpies of formation of and at and pressure are 52,394 and respectively, the change in enthalpy for combustion of is equal to2023 (Memory Based Paper 1)Laws of Thermochemistry and Enthalpy Change
  13. 13The photochemical smog does not generally contain:2023 (Memory Based Paper 1)Air Pollution
  14. 14Geometrical isomerism is not shown by2023 (Memory Based Paper 1)Isomerism of Organic Compounds
  15. 15For the separation of two immiscible liquids which method is used?2023 (Memory Based Paper 1)Purification of Organic Compounds
  16. 16What is in the following reaction?2023 (Memory Based Paper 1)Aluminium and Its Compounds
  17. 17Which of the following will precipitate first when aqueous solution containing sulphate ions are added?2023 (Memory Based Paper 1)Alkaline Earth Metals
  18. 18Ionic hydrides reacts with water to give2023 (Memory Based Paper 1)Hydrides
  19. 19The drug used as an antidepressant is2023 (Memory Based Paper 1)Drugs and It's Classification
  20. 20Melamine plastic crockery is a copolymer of2023 (Memory Based Paper 1)Classification of Polymers
  21. 21The helical structure of protein is stabilized by2023 (Memory Based Paper 1)Proteins
  22. 22Which of the following factors affect the basic strength of amine? (i) Inductive effect (ii) Steric hinderance (iii) Solvation effect (iv) S2023 (Memory Based Paper 1)Electron displacement effects
  23. 23Find out in the given reactions2023 (Memory Based Paper 1)Reactions of aromatic compounds
  24. 24Which method is useful for the synthesis of ether?2023 (Memory Based Paper 1)Preparation of Ethers
  25. 25Among the given halides, which one will give same product in both and reactions.2023 (Memory Based Paper 1)Preparation and Properties of Monohalides
  26. 26Among the ligands , en, and the correct order of their increasing field strength, is :2023 (Memory Based Paper 1)Werner's theory and Valence Bond Theory
  27. 27bond is not present in2023 (Memory Based Paper 1)Sulphur and Its Compounds
  28. 28In the laboratory, manganese (II) salt is oxidise to permanganate ion in aqueous solution by2023 (Memory Based Paper 1)Compounds of Transition Metals
  29. 29Which one of the following molecular hydrides acts as a Lewis acid?2023 (Memory Based Paper 1)Theories of Acids and Bases
  30. 30Electrode potential data are given below: Based on the data, the reducing power of , and will increase in the order2023 (Memory Based Paper 1)Cells and Electrode Potential, Nernst Equation

Mathematics

  1. 1If , then the general value of is2023 (Memory Based Paper 1)Basic
  2. 2Number of words from the letters of the words BHARAT in which and will never come together is2023 (Memory Based Paper 1)Arrangement under Constraint
  3. 3The ratio in which the YZ-plane divide the line segment formed by joining the points and is . The value of is2023 (Memory Based Paper 1)Basics of point in 3 dimension
  4. 4A set has 3 elements and another set B has 6 elements. Then2023 (Memory Based Paper 1)Questions on Venn Diagram
  5. 5For all , the sum of is2023 (Memory Based Paper 1)Mathematical Induction
  6. 6The roots of the given equation are :2023 (Memory Based Paper 1)Relation between Roots and Coefficients
  7. 7What is the angle between the two straight lines and2023 (Memory Based Paper 1)Angle between Lines
  8. 8The range of the function is2023 (Memory Based Paper 1)Range of Quadratic Function
  9. 9If , then (fof of) is2023 (Memory Based Paper 1)Composite Function
  10. 10The derivative of with respect to is2023 (Memory Based Paper 1)Differentiation of composite functions
  11. 11If the coordinates of the points and be and , then the length of the portion of the line intercepted between the axes is2023 (Memory Based Paper 1)Basic Forms of Straight Line
  12. 12Solution of is2023 (Memory Based Paper 1)Relation between Roots and Coefficients
  13. 13If , then at is :2023 (Memory Based Paper 1)Differentiation of composite functions
  14. 14The number of solutions of , when is2023 (Memory Based Paper 1)Variable Separable Form
  15. 15The probability of getting sum more than 7 when a pair of dice are thrown is:2023 (Memory Based Paper 1)Classical Definition of Probability
  16. 16The probability that a card drawn from a pack of 52 cards will be a diamond or king is:2023 (Memory Based Paper 1)Classical Definition of Probability
  17. 17If and , then the values of and respectively are:2023 (Memory Based Paper 1)Basic Algebra of Matrices
  18. 18If the eccentricity and length of latus rectum of a hyperbola are and units respectively, then what is the length of the transverse axis?2023 (Memory Based Paper 1)Equation of hyperbola
  19. 19If the sum of an infinite GP is 15 and the sum of the squares of its each term is 150 , then the sum of is :2023 (Memory Based Paper 1)Geometric Progression
  20. 20The interval in which the function is decreasing is :2023 (Memory Based Paper 1)Monotonicity
  21. 21If , then is equal to2023 (Memory Based Paper 1)Integration by Parts
  22. 22The curve given by has a tangent parallel to the Y-axis at the point2023 (Memory Based Paper 1)Tangent Normal
  23. 23The area enclosed between the curve and the coordinate axes is2023 (Memory Based Paper 1)Area of Curve along axis
  24. 24If and , then is2023 (Memory Based Paper 1)Product of 2 vectors
  25. 25is equal to2023 (Memory Based Paper 1)Existance of Limit
  26. 26The lines and are coplanar if2023 (Memory Based Paper 1)Line and Plane
  27. 27Negation of the Boolean expression is2023 (Memory Based Paper 1)Mathematical Reasoning
  28. 28The maximum value of subject to constraints2023 (Memory Based Paper 1)Linear Programming
  29. 29Find the mean deviation about the mean for the data2023 (Memory Based Paper 1)Measures of Dispersion
  30. 30Bag contains 6 red and 4 blue balls and bag contains 5 red and 6 blue balls. A ball is transferred from bag to bag and then a ball is drawn 2023 (Memory Based Paper 1)Total Probability
  31. 31is equal to2023 (Memory Based Paper 1)Sum and difference of angles
  32. 32The middle term in the expansion of is2023 (Memory Based Paper 1)Terms of Binomial Expansion
  33. 33The equation of a common tangent to the parabolas and is2023 (Memory Based Paper 1)Common Tangent
  34. 34A circle touches both the -axis and the line . Then the locus of its center is2023 (Memory Based Paper 1)Equation of Circle & its intercept
  35. 35The function is an increasing function in2023 (Memory Based Paper 1)Monotonicity
  36. 36, when simplified has the value2023 (Memory Based Paper 1)Power of iota
  37. 37If one root of the equation is 4, while the equation . has equal roots, then the value of ' ' is2023 (Memory Based Paper 1)Relation between Roots and Coefficients
  38. 38is equal to2023 (Memory Based Paper 1)Integration by Parts
  39. 39The shortest distance between the lines and is :2023 (Memory Based Paper 1)Line in Space
  40. 40If and , then2023 (Memory Based Paper 1)Conditional Probability and Multiplication Theorem

Physics

  1. 1An object moves with speed and along a line segment and respectively as shown in figure. Where and , then average speed of the object will b2023 (Memory Based Paper 1)Rest and Motion
  2. 2The effect of increase in temperature on the number of electrons in conduction band and resistance of a semiconductor will be as:2023 (Memory Based Paper 1)Semiconductors
  3. 3A radio-active material is reduced to of its original amount in 3 days. If of the material is left after 5 days. The initial amount of the m2023 (Memory Based Paper 1)Radioactivity
  4. 4A electron beam is used to bombard gaseous hydrogen at room temperature. The number of spectral lines emitted will be:2023 (Memory Based Paper 1)Atomic Spectrum
  5. 5If 1000 droplets of water of surface tension 0.07 . having same radius each, combine to from a single drop. In the process the released surf2023 (Memory Based Paper 1)Surface tension
  6. 6The force between two small charged spheres having charges of and placed apart in air is2023 (Memory Based Paper 1)Electric Charge and Coulomb's law
  7. 7The work done in placing a charge of coulomb on a condenser of capacity 100 microfarad is2023 (Memory Based Paper 1)Force and Energy stored in capacitor
  8. 8The resistance of a wire is . It's new resistance in ohm if stretched to 5 times of its original length will be :2023 (Memory Based Paper 1)Resistance and Resistivity
  9. 9A charge particle is moving in a uniform magnetic field . If it has an acceleration of , then the value of will be :2023 (Memory Based Paper 1)Motion of Charged Particle in Magnetic Field
  10. 10Proton (p) and electron (e) will have same deBroglie wavelength when the ratio of their momentum is (assume, )2023 (Memory Based Paper 1)Matter Waves
  11. 11A thermodynamic system is taken through cyclic process. The total work done in the process is :2023 (Memory Based Paper 1)Thermodynamic Processes
  12. 12In a reflecting telescope, a secondary mirror is used to:2023 (Memory Based Paper 1)Optical Instruments
  13. 13The magnetic moment of an electron (e) revolving in an orbit around nucleus with an orbital angular momentum is given by:2023 (Memory Based Paper 1)Magnetic Moment
  14. 14The ratio of intensities at two points and on the screen in a Young's double slit experiment where phase difference between two wave of same2023 (Memory Based Paper 1)Youngs Double Slit Experiment
  15. 15A bicycle tyre is filled with air having pressure of at . The approximate pressure of the air in the tyre when the temperature increases to 2023 (Memory Based Paper 1)Gas Laws
  16. 16A particle executes SHM of amplitude A. The distance from the mean position when it's kinetic energy becomes equal to its potential energy i2023 (Memory Based Paper 1)Energy of Simple Harmonic Motion
  17. 17Electric field in a certain region is given by . The SI unit of and are:2023 (Memory Based Paper 1)Units
  18. 18At any instant the velocity of a particle of mass is . If the force acting on the particle at is . Then the value of will be:2023 (Memory Based Paper 1)Newton's laws of motion
  19. 19A particle of mass moving with velocity collides with a stationary particle of mass . After collision, they stick together and continue to m2023 (Memory Based Paper 1)Collisions
  20. 20Which of the following Maxwell's equations is valid for time varying conditions but not valid for static conditions :2023 (Memory Based Paper 1)Electromagnetic Waves and Maxwell's equations
  21. 21In an LC oscillator, if values of inductance and capacitance become twice and eight times, respectively, then the resonant frequency of osci2023 (Memory Based Paper 1)LR Circuit
  22. 22A conducting loop of radius is placed perpendicular to a uniform magnetic field of . The magnetic field is decreased to zero in at a steady 2023 (Memory Based Paper 1)Induced Electric Field
  23. 23A disc is rolling without slipping on a surface. The radius of the disc is . At , the top most point on the disc is as shown in figure. When2023 (Memory Based Paper 1)Rolling without Slipping
  24. 24Two planets and of radii and have densities and respectively. The ratio of acceleration due to gravity at the surface of to A is :2023 (Memory Based Paper 1)Newton’s Law of Gravitation
  25. 25A long wire having cross-sectional area and Young's modulus is is subjected to a load of , then the elongation in the wire will be :2023 (Memory Based Paper 1)Young’s Modulus and Breaking Stres
  26. 26The ratio of speed of sound in hydrogen gas to the speed of sound in oxygen gas at the same temperature is:2023 (Memory Based Paper 1)Speed of Sound Waves
  27. 27The free space inside a current carrying toroid is filled with a material of susceptibility . The percentage increase in the value of magnet2023 (Memory Based Paper 1)Magnetism and Properties of Magnet
  28. 28The ratio of average electric energy density and total average energy density of electromagnetic wave is :2023 (Memory Based Paper 1)Electromagnetic Waves and Maxwell's equations
  29. 29In a Young's double slit experiment, the intensities at two points, for the path difference and ( being the wavelength of light used) are an2023 (Memory Based Paper 1)Youngs Double Slit Experiment
  30. 30The energy levels of an atom is shown is figure. Which one of these transitions will result in the emission of a photon of wavelength ? Give2023 (Memory Based Paper 1)Photoelectric Effect

Frequently Asked Questions

1.How many questions are in the BITSAT 2023 Memory Based Paper 1 paper?

This paper has 100 questions in total - 30 from Chemistry, 40 from Mathematics, and 30 from 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.Where can I find the Memory Based Paper 2 paper for the same year?

The BITSAT 2023 Memory Based Paper 2 paper is listed separately - you can switch to it from the "BITSAT Paper Wise PYQs" panel, under BITSAT 2023.

4.How is the BITSAT 2023 Memory Based Paper 1 paper structured?

The BITSAT 2023 Memory Based Paper 1 paper on MARKS has 100 questions, organised by subject:

  • Chemistry: 30 questions - 30 single-correct.
  • Mathematics: 40 questions - 40 single-correct.
  • Physics: 30 questions - 30 single-correct.
5.How difficult is the BITSAT 2023 Memory Based Paper 1 paper?

Each question on MARKS carries a difficulty rating. Of the 100 rated questions in this paper, 55 (55%) are easy, 35 (35%) are medium and 10 (10%) are hard. Subject wise:

  • Chemistry: 13 easy, 14 medium, 3 hard
  • Mathematics: 27 easy, 10 medium, 3 hard
  • Physics: 15 easy, 11 medium, 4 hard
6.Which chapters were asked the most in the BITSAT 2023 Memory Based Paper 1 paper?

The chapters with the most questions in each subject were:

  • Chemistry: General Organic Chemistry (3), Electrochemistry (2), and Structure of Atom (2).
  • Mathematics: Probability (4), Quadratic Equation (4), and Application of Derivatives (3).
  • Physics: Dual Nature of Matter (2), Electromagnetic Induction (2), and Electromagnetic Waves (2).
7.Where can I find the solutions for the BITSAT 2023 Memory Based Paper 1 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.

8.How should I use the BITSAT 2023 Memory Based Paper 1 paper to check my preparation?

Set a timer, attempt the 100 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 BITSAT. Repeating this with other papers shows whether the same weak spots keep coming back.

9.Will the BITSAT 2023 Memory Based Paper 1 paper help me prepare for BITSAT 2027?

Yes. Every past paper shows the question styles and topics BITSAT 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.