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AIIMS 2007

Browse the complete Botany, Chemistry, Physics, and Zoology question set from the AIIMS 2007 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 - 94 easy (52%), 62 moderate (34%) and 24 tough (13%). 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 57% easy, 30% moderate, 13% tough; Chemistry 62% easy, 25% moderate, 13% tough; Zoology 41% easy, 48% moderate, 11% tough; Botany 33% easy, 50% moderate, 17% tough.

Botany questions were spread across 17 chapters, with Ecosystem (3), Mineral Nutrition (3), and Morphology of Flowering Plants (3) carrying the most weight. Chemistry questions were spread across 24 chapters, with Coordination Compounds (6), Alcohols Phenols and Ethers (4), and Biomolecules (4) carrying the most weight. Physics questions were spread across 27 chapters, with Nuclear Physics (5), Semiconductors (5), and Mechanical Properties of Fluids (4) carrying the most weight. Zoology questions were spread across 13 chapters, with Principles of Inheritance and Variation (5), Body Fluids and Circulation (4), and Neural Control and Coordination (4) carrying the most weight.

Botany

  1. 1An example of competitive inhibition of an enzyme is the inhibition of2007Enzymes
  2. 2Which of the following helps in ascent of sap?2007Transport of Mineral Nutrients
  3. 3Which of the following is responsible for the mechanical support, protein synthesis and enzyme transport?2007Cell Organelles
  4. 4Velamen present in orchids helps in2007The Root
  5. 5Composite fruit develops from2007Inflorescence
  6. 6Cocoa is the plant from which chocolate is made. Which part is used to extract it?2007The Seed
  7. 7Assertion : In woody stems, the amount of heart wood continues to increase year after year. Reason : The cambial activity continues uninterr2007Tissue System
  8. 8Which of the following does not come under the Class Mammals?2007Subphylum Cephalochordata
  9. 9Assertion : Torison can be seen in ctenidium. Reason : Ctenidium acts as the respiratory organ.2007Coelenterata or Cnideria
  10. 10Assertion : Vernalization is acceleration of subsquent flowering by low temperature treatment. Reason : Site of vernalization is apical meri2007Vernalisation
  11. 11Which part of the world has a high density of organism?2007Levels of Biodiversity
  12. 12Which of the following is the connecting link between glycolysis and Krebs cycle?2007Glycolysis
  13. 13Which of the following is correct set of micronutrient for plants?2007Functions of Essential Elements
  14. 14Hydroponics is2007Hydroponics
  15. 15Leghaemoglobin helps in2007Nitrogen Metabolism
  16. 16"Omnis-cellula-e-cellula" was given by2007Introduction
  17. 17Assertion : Neurospora is commonly called water mould. Reason : It belongs to basidomycetes fungi.2007Kingdom Fungi
  18. 18What is PAR range?2007Pigments
  19. 19Assertion : Dark reaction is purely enzymatic reaction. Reason : It occurs only in absence of light.2007Introduction
  20. 20Apomixis is2007Sexual Reproduction
  21. 21Which among the following is a rootless plant?2007Bryophytes
  22. 22Assertion : Algae and fungi are classified as thallophytes. Reason : They both are autotrophs.2007Introduction
  23. 23Assertion : Conifer trees produce a large quantity of wind borne pollen grains. Reason : The pollen grains have wings.2007Pteridophytes
  24. 24Assertion : Pollution is always caused by human activities. Reason : Pollution is not different from contamination.2007Pollution
  25. 25Assertion : Chlorofluorocarbons are responsible for ozone depletion. Reason : Ozone level decreases by as much as \(67 \%\) every year.2007Pollution
  26. 26Which form of reproduction is correctly matched?2007Types of Reproduction
  27. 27Beta diversity is diversity2007Ecosystem Services
  28. 28Ozone in stratosphere extends2007Cycles Operating
  29. 29Assertion : Plants absorb sulphur in the form of sulphate ions. Reason : Sulphur bacteria are required for the formation of sulphate.2007Ecological Succession
  30. 30Which of the following contain \( -1,4\) linkage?2007Carbohydrates

Chemistry

  1. 1Which of the following amines will not give \( {N}_2\) gas on treatment with nitrous acid \( ( {NaNO}_2+ .\) \( {HCl})\) ?2007Qualitative analysis of organic compounds
  2. 2Which of the following is optically inactive?2007Isomerism of Organic Compounds
  3. 3Assertion : trans-butene on reaction with bromine forms racemic mixture. Reason : trans-compound in trans addition forms two types of stereo2007Isomerism of Organic Compounds
  4. 4Assertion : The lactic acid shows the geometrical isomerism. Reason : Lactic acid has carbon-carbon double bond.2007Isomerism of Organic Compounds
  5. 5The order of bond length is2007Molecular Orbital Theory
  6. 6Which of the following does not contain any coordinate bond?2007Covalent and Co-ordinate Bonding
  7. 7Assertion : Molecular nitrogen is less reactive than molecular oxygen. Reason : The bond length of \( {N}_2\) is shorter than that of oxygen2007Molecular Orbital Theory
  8. 8Which of the following radioisotopes is used as anticancerous?2007Atomic Mass and Atomic Size
  9. 9Decay constant of a radioactive substance is \(69.3 {~sec}^{-1}\), find \(t_{1 / 16}\) of the same substance.2007Integrated rate laws
  10. 10The \( {pH}\) of the solution obtained on neutralisation of \(40 {~mL~} 0.1 {~M~} {NaOH}\) with \(40 {~mL~} 0.1 {~M~} {CH}_3 {COOH}\) is2007PH of solutions
  11. 11During titration of acetic acid with aq. \( {NaOH}\) solution, the neutralisation graph has a vertical line. This line indicates2007Salt Hydrolysis
  12. 12Assertion : Mixture of \( {CH}_3 {COOH}\) and \( {CH}_3 {COONH}_4\) is an example of acidic buffer. Reason : Acidic buffer contains equimola2007Buffer solutions
  13. 13Largest difference in radii is found in case of the pair2007General Characteristics of Alkali Metals
  14. 14Calculate change in internal energy if \( H=-92.2 {~kJ}, P=40 {~atm}\) and \( V=-1 {~L}\).2007First Law and Basic Fundamentals of Thermodynamics
  15. 15\( H_{ {fusion }}\) of a substance is ' \(x\) ' and \( H_{ {vap }}\) is ' \(y\) ', then \( H_{ {sublimation }}\) will be2007Laws of Thermochemistry and Enthalpy Change
  16. 16\( S_{ {surr }}\) for an exothermic reaction is2007Entropy and Second law of thermodynamics
  17. 17Assertion : As a salt such as \( {NaCl}\) dissolves, the \( {Na}^{+}\)and \( {Cl}^{-}\)ions leaving the crystal lattice acquire far greater 2007Third law of thermodynamics
  18. 18\( {XeF}_6\) on complete hydrolysis produces2007Noble Gases
  19. 19The element which is the most abundant in the earth crust is2007Oxygen and Its Compounds
  20. 20Assertion : Ozone is an allotrope of oxygen. Reason : Oxygen is bluish colour liquid and in singlet state it is more paramagnetic.2007Oxygen and Its Compounds
  21. 21Assertion : \( {F}\) is more electronegative than \( {Cl}\). Reason : \( {F}\) has high electron affinity than \( {Cl}\).2007Halogens and Its Compounds
  22. 22The repeating unit in silicone is2007Silicon and Its Compounds
  23. 23Among the following components of cement which is present in highest amount?2007Silicon and Its Compounds
  24. 24Assertion : \( {SnI}_4\) is an orange solid. Reason : The colour arises due to charge transfer.2007Tin and Lead Containing Compounds
  25. 25During estimation of nickel, we prepare nickel dimethylglyoxime, a scarlet red solid. This compound is ____.2007Crystal Field Theory
  26. 26Which of the following metal ions will form complexes with the same magnetic moment and geometry irrespective of the nature of ligands?2007Werner's theory and Valence Bond Theory
  27. 27Wavelength of red light is absorbed by the complex2007Crystal Field Theory
  28. 28In the change \( [ {Cu} ( {H}_2 {O} )_6 ]^{2+} { {HCl}}{ } [ {CuCl} ( {H}_2 {O} )_5 ]^{+}\), the colour changes from2007Crystal Field Theory
  29. 29is true for ferrocene?2007Carbonyl Compounds
  30. 30Assertion : \( {C}- {O}\) bond in metal carbonyl is long. Reason : There is delocalisation of electrons from filled \(d\) orbitals into the 2007Carbonyl Compounds
  31. 31A catalyst2007Catalysis and Theories of Catalysis
  32. 32The product obtained is/are2007Reactions of aromatic compounds
  33. 33Which of the following species participate in sulphonation of benzene ring ?2007Reactions of aromatic compounds
  34. 34Assertion : Benzene diazonium salt on boiling with water forms phenol. Reason : \( {C}- {N}\) bond is polar.2007Preparation and Properties of Benzene
  35. 35Assertion : Acetylene on reacting with sodamide gives sodium acetylide and ammonia. Reason : \(s p\) hybridised carbon atoms of acetylene ar2007Reactions of alkynes
  36. 36Assertion : Copper sulphate solution is not stored in zinc vessel. Reason : Zinc forms complex with \( {CuSO}_4\).2007Commercial Cells and Batteries
  37. 37The coordination number in \(h c p\) is2007Cubic system
  38. 38Assertion : The equilibrium constant is fixed and a characteristic for any given chemical reaction at a specified temperature. Reason : The 2007Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  39. 39Cyanogen gas is obtained in the reaction2007Compounds of Transition Metals
  40. 40Assertion : Magnetic moment of Dy is the highest among the lanthanoids. Reason : Orbital motion contributes magnetic moment.2007F-Block elements
  41. 41\(1 {~mol}\) each of the following compounds is dissolved in \(1 {~L}\) of solution. Which will have the largest \( T_b\) value?2007Colligative Properties and Abnormal Molecular Masses
  42. 42The vapour pressure of pure benzene at a certain temperature is 0.850 bar. A non-volatile, nonelectrolyte solid weighing \(0.5 {~g}\) is add2007Vapour pressure and raoult's law
  43. 43Inert gases are mixed in iodine vapours. Then there are ____ between them.2007Van Der Waals Forces, Hydrogen Bonding and Metallic Bonding
  44. 44\( {CH}_3 {OC}_2 {H}_5\) and \( ( {CH}_3 )_3 {C}- {OCH}_3\) are treated with hydroiodic acid. The fragments after reactions obtained are2007Methods of Preparation of Carbonyl Compounds
  45. 45Propene on hydroboration and oxidation produces2007Preparation and Properties of Alcohols
  46. 46on mercuration and demercuration produces2007Preparation and Properties of Alcohols
  47. 47Benzoic acid is treated with lithium aluminium hydride. The compound obtained is2007Preparation and Properties of Alcohols
  48. 48X-rays are emitted during2007Integrated rate laws
  49. 49Assertion : The kinetics of the reaction \(m A+n B+p C m^{ } X+n^{ } Y+p^{ } Z\) obeys the rate expression as - \( {d x}{d t}=k[A]^m[B]^n\) 2007Rate law and rate constant
  50. 50Assertion : The position of an element in periodic table after emission of one \( \) and two \( \)-particles remains unchanged. Reason : Emi2007Integrated rate laws
  51. 51Chain transfer reagent is2007Classification of Polymers
  52. 52Assertion : Chloral reacts with phenyl chloride to form DDT. Reason : It is an electrophilic substitution reaction.2007Preparation and Properties of Aryl Halides
  53. 53Assertion : Alkyl iodide can be prepared by treating alkyl chloride/bromide with \( {NaI}\) in acetone. Reason : \( {NaCl} / {NaBr}\) are so2007Preparation and Properties of Monohalides
  54. 54Carbon and \( {CO}\) gas are used to reduce which of the following pairs of metal oxides for extraction of metals?2007Reduction to Crude Metal
  55. 55In \(P\) versus \(V\) graph, the horizontal line is found in which ____ exists.2007Critical phenomena and liquefaction
  56. 56Critical temperatures for \(A, B, C\) and \(D\) gases are \(25^{ } {C}, 10^{ } {C},-80^{ } {C}\) and \(15^{ } {C}\) respectively. Which gas 2007Critical phenomena and liquefaction
  57. 57In the following sequence of the reactions, what is \(D\) ?2007Preparation and Properties of Amines
  58. 58Which of the following statement is true?2007Separation of mixture of amines
  59. 59Assertion : Acetamide has more polar group than in ethyl acetoacetate. Reason : \( { {N}} {H}_2\) is more electron donating than \( { {O}} {2007Preparation and Properties of Amides
  60. 60Assertion : Alpha \(( )\)-amino acids exist as internal salt in solution as they have amino and carboxylic acid groups in near vicinity. Rea2007Properties and Preparation of Amino Acids
  61. 61A child took sugar cane and sucked its juice. Regarding this which of the following match is correct?2007Carbohydrates
  62. 62Assertion : Vegetable oils are fats which are present in plant cells in soluble form. Reason : Vegetable oils occur only in cells of embryo.2007Carbohydrates
  63. 63Reason : The latex contains long chain hydrocarbons. Assertion : Petroplants produce large amount of latex.2007Carbohydrates

Physics

  1. 1A point source is kept at a distance of \(1000 {~m}\) has an illumination \(I\). To change the illumination to \(16 I\) the new distance sho2007Interference of Light
  2. 2Assertion : A white source of light during interference forms only white and black fringes. Reason : Width of fringe is inversely proportion2007Diffraction of Light
  3. 3If a solid sphere of mass \(1 {~kg}\) and radius \(0.1 {~m}\) rolls without slipping at a uniform velocity of \(1 {~m} / {s}\) along a strai2007Rotational kinematics
  4. 4In the diagram shown below all three rods are of equal length \(L\) and equal mass \(M\). The system is rotated such that \( {rod} B\) is th2007Moment of inertia of rigid bodies
  5. 5The direction of the angular velocity vector is along2007Uniform Circular Motion
  6. 6With the decrease of current in the primary coil from 2 amperes to zero value in \(0.01 {~s}\) the emf generated in the secondary coil is 102007Self and Mutual Inductance
  7. 7Faraday law of electrolysis indirectly shows2007Magnetic Flux, Faraday's and Lenz law
  8. 8In an adiabatic change, the pressure and temperature of a monoatomic gas are related as \(P T^{ {C}}\), where \(C\) equals2007Thermodynamic Processes
  9. 9Assertion : In free expansion of an ideal gas, the entropy increases. Reason : Entropy increases in all natural processes.2007Heat Engine, Refrigerator and Second Law of Thermodynamics
  10. 10What is the dimensions of impedance ?2007Dimensions
  11. 11Which of the following physical quantities do not have same dimensions?2007Dimensions
  12. 12If the temperature of a black body increases from \(7^{ } {C}\) to \(287^{ } {C}\) then the rate of energy radiation increases by2007Radiation
  13. 13Assertion : A hollow metallic closed container maintained at a uniform temperature can act as a source of black body radiation. Reason : All2007Radiation
  14. 14Assertion : A brass tumbler feels much colder than a wooden tray on a chilly day. Reason : The thermal conductivity of brass is more than th2007Conduction
  15. 15What is the amount of energy released by deuterium and tritium fusion? [Given: \(M_{_1^2 {H}}=2.0141024 {~u}, M_{_1^3 {H}}=3.0160504 {~u}\),2007Nuclear reactions
  16. 16Calculate power output of \({ }_{92}^{235} {U}\) reactor, if it takes 30 days to use up \(2 {~kg}\) of fuel, and if each fission gives \(1852007Nuclear reactions
  17. 17Assertion : Heavy water is a better moderator than normal water. Reason : Heavy water absorbs neutrons more efficiently than normal water.2007Nuclear reactions
  18. 18Assertion : In a metal all the free electrons have same energy. Reason : Electrons do not obey Pauli's exclusion principle.2007Nuclear structure
  19. 19Assertion : \({ }^{94} {Sr}\) from the radioactive fall out from a nuclear bomb ends up in the bones of human beings through the milk consum2007Radioactivity
  20. 20What is the magnetic field at a distance \(R\) from a coil of radius \(r\) carrying current \(I\) ?2007Biot-Savart’s Law and Ampere’s Circuital Law
  21. 21In the following diagram, which particle has highest \(e / m\) value?2007Motion of Charged Particle in Magnetic Field
  22. 22Assertion :A current continues to follow in superconducting coil even after switch is off. Reason : Superconducting coils show Meissner effe2007Electric Current and Drift of Electrons
  23. 23Assertion : Voltmeter is connected in parallel with the circuit Reason : Resistance of a voltmeter is very large.2007Electric Instruments
  24. 24Assertion : Ohm's law is applicable for all conducting elements. Reason : Ohm's law is a fundamental law.2007Electric Current and Drift of Electrons
  25. 25Height of geostationary satellite is2007Acceleration Due to Gravity
  26. 26A large horizontal surface moves up and down in S.H.M. with an amplitude of \(1 {~cm}\). If a mass of \(10 {~kg}\) (which is placed on the s2007Time Period and Frequency
  27. 27What is the energy of photon whose wavelength is \(6840 Å\) ?2007Photoelectric Effect
  28. 28In case of infinite long wire electric field is proportional to2007Electric Field and Electric Field Lines
  29. 29Assertion : In a cavity within a conductor, the electric field is zero. Reason : Charges in a conductor reside only at its surface.2007Electric Field and Electric Field Lines
  30. 30A siren emitting sound of frequency \(800 {~Hz}\) is going away from a static listener with a speed of \(30 {~m} / {s}\). The frequency of s2007Doppler’s Effect
  31. 31Assertion : Sound waves cannot travel in vacuum but light can travel in vacuum. Reason : Sound waves are longitudinal waves and they cannot 2007Basics of Mechanical Waves
  32. 32In an \(A C\) circuit the potential differences across an inductance and resistance joined in series are respectively \(16 {~V}\) and \(20 {2007AC Circuits
  33. 33Assertion : No power loss associated with pure capacitor in ac circuit. Reason : No current is flowing in this circuit.2007Quality and Power Factor
  34. 34In old age arteries carrying blood in the human body become narrow resulting in an increase in the blood pressure. This follows from2007Hydrodynamics
  35. 35Work of \(3.0 10^{-4}\) joule is required to be done in increasing the size of a soap film from \(10 {~cm} 6 {~cm}\) to \(10 {~cm} 11 {~cm}\2007Surface tension
  36. 36If the water falls from a dam into a turbine wheel \(19.6 {~m}\) below, then the velocity of water at the turbines, is (Take \(g=9.8 {~m} / 2007Efflux of liquid
  37. 37Assertion : Machine parts are jammed in winter. Reason : The viscosity of lubricant used in machine parts increase at low temperatures.2007Viscosity
  38. 38Which wavelength of sun is used finally as electric energy?2007Electromagnetic Waves and Maxwell's equations
  39. 39\( {CO}_2\) laser uses2007Electromagnetic Spectrum
  40. 40Assertion : Dipole oscillations produce electromagnetic waves. Reason : Accelerated charge produces electromagnetic waves.2007Electromagnetic Waves and Maxwell's equations
  41. 41If collector current is \(120 {~mA}\) and base current is \(2 {~mA}\) and resistance gain is 3 , what is power gain?2007Junction Transistors
  42. 42Zener diode acts as a/an2007Diodes
  43. 43In the half wave rectifier circuit operating from \(50 {~Hz}\) mains frequency, the fundamental frequency in the ripple would be2007Rectifier
  44. 44A transistor is \(a / a n\)2007Junction Transistors
  45. 45Assertion : NAND is a universal gate. Reason : It can be used to describe all other logic gates.2007Logic gates
  46. 46A man of mass \(60 {~kg}\) records his wt. on a weighing machine placed inside a lift. The ratio of wts. of man recorded when lift is ascend2007Rest and Motion
  47. 47Which of the following velocity-time graphs shows a realistic situation for a body in motion?2007Graphs of motion in one dimension
  48. 48Assertion : An astronaut experience weightlessness in a space satellite. Reason : When a body falls freely it does not experience gravity.2007Motion Under Gravity
  49. 49The magnetic susceptibility of an ideal diamagnetic substance is2007Magnetism and Properties of Magnet
  50. 50Assertion : Ferro magnetic substances become paramagnetic above Curie temperature. Reason : Domains are destroyed at high temperature.2007Magnetic Materials and their Properties
  51. 51The camera lens has an aperture of \(f\) and the exposure time is \((1 / 60) {s}\). What will be the new exposure time if the aperture becom2007Lens Formula, Refraction of light from curved surface
  52. 52The focal length of the objective and eye lenses of a microscope are \(1.6 {~cm}\) and \(2.5 {~cm}\) respectively. The distance between the 2007Optical Instruments
  53. 53Assertion : Goggles have zero power. Reason : Radius of curvature of both sides of lens is same2007Lens Formula, Refraction of light from curved surface
  54. 54Assertion : Optical fibres are used for telecommunication Reason: Optical fibres are based on the phenomenon of total internal reflection.2007Critical angle and total internal reflection
  55. 55Shear modulus is zero for2007Young’s Modulus and Breaking Stres
  56. 56If the highest modulating frequency of the wave is \(5 {~kHz}\), the number of stations that can be accomodated in a \(150 {~kHz}\) bandwidt2007Communication System
  57. 57In communication with help of antenna if height is doubled then the range covered which was initially \(r\) would become2007Modulation
  58. 58What is the energy of \( {He}^{+}\)electron in first orbit?2007Bohr's Atomic Model
  59. 59The force of gravitation is2007Energy
  60. 60The number 0 (zero) is required for2007Experimental Physics

Zoology

  1. 1The shoulder blade is made of2007Locomotion
  2. 2Which of the following match is correct?2007Human Respiratory System
  3. 3Assertion : Antigen can be easily recognized because it has antigenic determinants. Reason : The recognition ability is innate.2007Acquired
  4. 4"Homo sapiens" implies2007Human Evolution
  5. 5Wings of pigeon, mosquito and bat show2007Evidences of Evolution
  6. 6Assertion : The earliest fossil form in the phylogeny of horse is eohippus. Reason : Eohippus lived during the early pliocene epoch.2007Evidences of Evolution
  7. 7Assertion : Secreting hypotonic urine is effective in reducing urinary loss of water. Reason : Hypotonic urine is more concentrated and high2007Mammalian Urinary System
  8. 8XO-chromosomal abnormality in human beings causes2007Genetic Disorders
  9. 9If a homozygous red-flowered plant is crossed with a homozygous white-flowered plant, the offsprings will be2007F1 and F2 Cross
  10. 10Gene which suppresses other gene's activity but does not lie on the same locus is called as2007Multiple Alleles / Co-dominance
  11. 11Pure line breed refers to2007F1 and F2 Cross
  12. 12Assertion : Haemophilia is a recessive sex linked disease. Reason : Haemophilia occurs due to mutation of a structural gene on chromosome 152007Genetic Disorders
  13. 13Which of the following is an eye disease?2007Sensory Organ
  14. 14The black pigment in the eye which reduces the internal reflection is located in2007Sensory Organ
  15. 15Hearing impairment affects which part of brain?2007Structure of Human Brain
  16. 16Assertion : Astigmatism is due to uneven curvature of lens. Reason : It is treated with cylindrical lenses.2007Sensory Organ
  17. 17Which statement is true?2007Structure of DNA
  18. 18Which of the following match is correct?2007Pituitary Gland
  19. 19Which of the following statements regarding glucagon is false?2007Pancreas
  20. 20Assertion : Aldosterone is a steroid hormone and is important in the control of sodium and potassium ion concentration in mammals. Reason : 2007Adrenal Gland
  21. 21Which match is true?2007Vitamin
  22. 22Which of the following is true regarding sperm?2007Male Reproductive System
  23. 23Which of the following is correct match?2007Genetic Modified Crops
  24. 24The component of blood which prevents its coagulation in the blood vessels is2007Blood Group
  25. 25Thickening of arteries due to cholesterol deposition is2007Disorders
  26. 26Assertion : Blood coagulate in uninjured blood vessels. Reason : Uninjured blood vessels release an anticoagulant heparin.2007Blood Group
  27. 27Assertion : Smaller the organism higher is the rate of metabolism per gram weight. Reason : The heart rate of a six month old baby is much l2007Human Circulatory System

Frequently Asked Questions

1.How many questions are in the AIIMS 2007 paper?

This paper has 180 questions in total - 30 from Botany, 63 from Chemistry, 60 from Physics, and 27 from Zoology.

2.Can I practise questions from just one subject?

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

3.What is the structure of the AIIMS 2007 paper?

The AIIMS 2007 paper on MARKS has 180 questions, organised by subject:

  • Botany: 30 questions - 30 single-correct.
  • Chemistry: 63 questions - 63 single-correct.
  • Physics: 60 questions - 60 single-correct.
  • Zoology: 27 questions - 27 single-correct.
4.What is the difficulty level of the AIIMS 2007 paper?

Each question on MARKS carries a difficulty rating. Of the 180 rated questions in this paper, 94 (52%) are easy, 62 (34%) are medium and 24 (13%) are hard. Subject wise:

  • Botany: 10 easy, 15 medium, 5 hard
  • Chemistry: 39 easy, 16 medium, 8 hard
  • Physics: 34 easy, 18 medium, 8 hard
  • Zoology: 11 easy, 13 medium, 3 hard
5.Which chapters had the most questions in the AIIMS 2007 paper?

The chapters with the most questions in each subject were:

  • Botany: Ecosystem (3), Mineral Nutrition (3), and Morphology of Flowering Plants (3).
  • Chemistry: Coordination Compounds (6), Alcohols Phenols and Ethers (4), and Biomolecules (4).
  • Physics: Nuclear Physics (5), Semiconductors (5), and Mechanical Properties of Fluids (4).
  • Zoology: Principles of Inheritance and Variation (5), Body Fluids and Circulation (4), and Neural Control and Coordination (4).
6.Are there any out-of-syllabus questions in the AIIMS 2007 paper?

Yes. 46 of the 180 questions in this paper are marked on MARKS as outside the current syllabus. You can still practise them for the concept, but they are a lower priority if you are short on time.

7.Where can I find the solutions for the AIIMS 2007 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 AIIMS 2007 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 AIIMS. Repeating this with other papers shows whether the same weak spots keep coming back.