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AIIMS 2018 26th May

Browse the complete Botany, Chemistry, Physics, and Zoology question set from the AIIMS 2018 26th May 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 - 87 easy (48%), 70 moderate (39%) and 23 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 47% easy, 42% moderate, 12% tough; Chemistry 52% easy, 30% moderate, 18% tough; Zoology 47% easy, 41% moderate, 12% tough; Botany 46% easy, 50% moderate, 4% tough.

Botany questions were spread across 14 chapters, with Animal Kingdom (3), Cell Cycle and Cell Division (3), and Biomolecules (B) (2) carrying the most weight. Chemistry questions were spread across 28 chapters, with p Block Elements (Group 15, 16, 17 & 18) (6), General Organic Chemistry (4), and Chemical Bonding and Molecular Structure (3) carrying the most weight. Physics questions were spread across 28 chapters, with Center of Mass Momentum and Collision (5), Electrostatics (5), and Laws of Motion (3) carrying the most weight. Zoology questions were spread across 15 chapters, with Principles of Inheritance and Variation (4), Human Reproduction (3), and Locomotion and Movement (3) carrying the most weight.

Botany

  1. 1Which of the following is not a derivative of cholesterol?26 May, 2018Lipids
  2. 2In which one of the following sets of three items each belong to the category mentioned against them?26 May, 2018Enzymes
  3. 3Which of the following statements is incorrect about phase?26 May, 2018Interphase
  4. 4Which of the following is not a characteristic of meiosis?26 May, 2018Meiosis
  5. 5Assertion: Bivalents are formed during pachynema. Reason: Bivalent and tetrad conditions of chromosomes are two different conditions.26 May, 2018Meiosis
  6. 6Which one of the following statements is correct with respect to salt water balance inside the body of living organisms?26 May, 2018Plant Water Relations
  7. 7Assertion : Film forming chemical should not be used for checking transpiration. Reason: Film forming chemicals interrupt transpiration, pho26 May, 2018Transpiration
  8. 8Glycosylation of proteins is done by26 May, 2018Cell Organelles
  9. 9Assertion: The whole chromatin is not functional. Reason : Heterochromatin does not take part in transcription.26 May, 2018Cell Organelles
  10. 10Select the correct matching.26 May, 2018Inflorescence
  11. 11Albuminous seeds are found in26 May, 2018The Seed
  12. 12Which of the following is correct?26 May, 2018Phylum Chordata
  13. 13The amphids are cuticular elevations on the ventrolateral lips of Ascaris. These are26 May, 2018Phylum Aschelminthes
  14. 14In which of the following options, all belong to the same group?26 May, 2018Phylum Aschelminthes
  15. 15Which among the following are auxins?26 May, 2018Plant Growth Regulators
  16. 16Out of 38 molecules of ATP produced by aerobic respiration of glucose, the break up of ATP production in glycolysis (P), pyruvate to acetyl-26 May, 2018Aerobic Respiration
  17. 17Assertion : Fermentation is incomplete oxidation of glucose. Reason: In fermentation, glucose may be converted to and ethanol.26 May, 2018Fermentation
  18. 18In Aulosira, Tolypothrix and Nostoc,26 May, 2018Nitrogen Metabolism
  19. 19Thermococcus, Methanococcus and Methanobacterium exemplify26 May, 2018Kingdom Monera
  20. 20Assertion : Photorespiration is found in all plants. Reason: In plants, first fixation product is formed in bundle sheath cells.26 May, 2018Mechanism of Photosynthesis
  21. 21Assertion : Cyclic photophosphorylation synthesises ATP. Reason : ATP synthesis in cyclic photophosphorylation is associated with NADPH form26 May, 2018Mechanism of Photosynthesis
  22. 22Ploidy of endothecium, microspore mother cell, tapetum and microspore is respectively,26 May, 2018Sexual Reproduction
  23. 23Assertion : Red algae contribute in producing coral reefs. Reason: Some red algae secrete and deposit calcium carbonate over their walls.26 May, 2018Algae: Thallophytes
  24. 24Assertion : Petroplants produce large amount of latex. Reason: The latex contains long chain hydrocarbons.26 May, 2018Introduction
  25. 25Which one of the following options correctly designate the percent contribution of gases (A, and D) responsible for global warming?26 May, 2018Pollution
  26. 26Assertion: Pollution is always caused by human activities. Reason: Pollution is not different from contamination.26 May, 2018Pollution

Chemistry

  1. 1IUPAC name of the given compound is26 May, 2018IUPAC Nomenclature
  2. 2Assertion : Benzyl amine is less basic than ethyl amine. Reason : Benzene shows -effect.26 May, 2018Electron displacement effects
  3. 3Assertion : reacts with and forms benzoic acid. Reason : is an electrophile.26 May, 2018Attacking reagents
  4. 4Assertion : -Diethylethanamine is more basic than -dimethylmethanamine. Reason : -effect of ethyl is more than methyl.26 May, 2018Electron displacement effects
  5. 5Which of the following pairs does not have same bond order?26 May, 2018Molecular Orbital Theory
  6. 6Which of the following has maximum of -character?26 May, 2018Hybridisation and VSEPR Theory
  7. 7Assertion : Surface tension of water is more than many other liquids. Reason : Water molecules have strong intermolecular -bonding as attrac26 May, 2018Van Der Waals Forces, Hydrogen Bonding and Metallic Bonding
  8. 8Calculate the velocity of an electron placed in the second orbit of ion.26 May, 2018Bohr's model
  9. 9The position of both an electron and helium atom is known within . The momentum of the electron is known within . The minimum uncertainty in26 May, 2018Dual Behaviour of Matter and Heisenberg Uncertainty Principle
  10. 10When of is mixed with of then what is the of resultant solution?26 May, 2018PH of solutions
  11. 11If one monoatomic gas is expanded adibatically from to at external pressure then the value of (in atm ) is26 May, 2018First Law and Basic Fundamentals of Thermodynamics
  12. 12Which of the following are extensive properties?26 May, 2018System and surrounding
  13. 13Which of the following statements is incorrect?26 May, 2018Phosphorus and Its Compounds
  14. 14Which of the following is true for ?26 May, 2018Nitrogen and Its Compounds
  15. 15Assertion : and when passed through water, is more reactive. Reason : is most electronegative.26 May, 2018Halogens and Its Compounds
  16. 16Assertion : reacts with to form CO. Reason : is a mild oxidising agent.26 May, 2018Sulphur and Its Compounds
  17. 17Assertion : has higher boiling point than . Reason : is allotrope of oxygen.26 May, 2018Oxygen and Its Compounds
  18. 18Assertion : converts to . Reason : is used to remove unreacted from nuclear reaction.26 May, 2018Halogens and Its Compounds
  19. 19Assertion : forms but does not form . Reason : does not react with .26 May, 2018Boron and Its Compounds
  20. 20Assertion : reacts with and forms . Reason : Lead is stable in +4 oxidation state.26 May, 2018Tin and Lead Containing Compounds
  21. 21Which of the following can be reduced easily?26 May, 2018Carbonyl Compounds
  22. 22Assertion : In Zeise's salt coordination number of is five. Reason : Ethene is a bidentate ligand.26 May, 2018Terminology of coordination compounds
  23. 23Which of the following statements is incorrect?26 May, 2018Properties of colloidal solution
  24. 24Assertion : and colloidal sols on mixing precipitate. Reason : and combine and form precipitate of new composition.26 May, 2018Properties of colloidal solution
  25. 25What is decreasing order of boiling points for the following compounds?26 May, 2018Properties and Preparation of Alkanes
  26. 26In the given reaction,26 May, 2018Reactions of aromatic compounds
  27. 27Which of the following reactions gives wrong product?26 May, 2018Preparation and Properties of Benzene
  28. 28Cell equation : and at for cell reactions. Find for . Given at26 May, 2018Cells and Electrode Potential, Nernst Equation
  29. 29Time taken to completely decompose of water by passing current is26 May, 2018Cells and Electrode Potential, Nernst Equation
  30. 30Assertion : Reverse current flows in charging of lead storage battery. Reason : During charging, converts into and .26 May, 2018Commercial Cells and Batteries
  31. 31What colour is observed when is heated?26 May, 2018Non-stoichiometric defects
  32. 32In of of tetrahedral voids are occupied by . What is the formula of the compound?26 May, 2018Cubic system
  33. 33Assertion : Due to Frenkel defect, there is no effect on the density of the crystalline solid. Reason : In Frenkel defect, no cation or anio26 May, 2018Stoichiometric defects
  34. 34If for the reaction, and initial concentration of is then equilibrium concentration of is26 May, 2018Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  35. 35When pressure is increased at constant temperature26 May, 2018Le chatelier's principle
  36. 36A vessel of one litre capacity containing 1 mole of is heated till a state of equilibrium is attained. At equilibrium, 0.6 moles of had form26 May, 2018Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  37. 37The normality of solution having density is26 May, 2018Concentration terms
  38. 38Assertion : One mole of contains formula units of sodium chloride. Reason : of also contains formula units of .26 May, 2018Mole concept
  39. 39on reaction with does not give26 May, 2018Compounds of Transition Metals
  40. 40Which is least stable in aqueous medium?26 May, 2018Properties of D-block elements
  41. 41Which of the given compounds does not react with dilute at high temperature?26 May, 2018Identification of Basic Radicals
  42. 42When of solute is dissolved in water, freezing point gets lowered by , calculate molar mass of solute.26 May, 2018Colligative Properties and Abnormal Molecular Masses
  43. 43The final product of the reaction,26 May, 2018Reactions of Phenol
  44. 44Which of the following is the correct order of acidic strength of the following compounds?26 May, 2018Properties of Phenol
  45. 45When is titrated with then at neutral point the colour of phenolphthalein becomes colourless from pink due to26 May, 2018Redox titration
  46. 46If energy of activation of the reaction is and the temperature changes from to then the value of is26 May, 2018Arrhenius theory
  47. 47Assertion : Oxidation state of hydrogen is +1 in while -1 in . Reason : is a metal hydride and for hydrides, hydrogen is assigned the oxidat26 May, 2018Hydrides
  48. 48Assertion : Non competitive drugs alter the shape of active site of the enzyme. Reason : They attack on the active site of enzyme.26 May, 2018Drugs and It's Classification
  49. 49Match the following:26 May, 2018Preparation and Properties of Polymers
  50. 50Assertion : Bakelite is formed when novolac is heated with formaldehyde and it is a thermosetting polymer. Reason : Bakelite is infusible so26 May, 2018Preparation and Properties of Polymers
  51. 51What is the product of following reaction :26 May, 2018Preparation and Properties of Monohalides
  52. 52The decreasing order of reaction for the given compounds is26 May, 2018Preparation and Properties of Monohalides
  53. 53Assertion : Zone refining is based on the solubility of impurities in the molten state than in the solid state of the metal. Reason : Pure m26 May, 2018Refining of Crude Metal
  54. 54Two separate bulbs contain gas and gas . The density of gas is twice as that of . The molecular mass of is half as that of . If temperature 26 May, 2018Gas laws and Ideal Gas Equation
  55. 55Gas in a cylinder is maintained at pressure and temperature. The cylinder will explode if pressure of gas goes beyond 15 atm. What is the ma26 May, 2018Gas laws and Ideal Gas Equation
  56. 56Assertion : Greater the value of van der Waals' constant ' ' greater is the liquefaction of gas. Reason : ' ' indirectly measures the magnit26 May, 2018Real Gases and Van der Waal's Equation
  57. 57Final product of the given reaction is26 May, 2018Chemical reactions for aldehydes and ketones
  58. 58The final product of the given reaction is26 May, 2018Chemical reactions for aldehydes and ketones
  59. 59Which of the following sets of amino acids contains only essential amino acids?26 May, 2018Properties and Preparation of Amino Acids
  60. 60Which of the following statements is incorrect?26 May, 2018Disaccharides and Polysaccharides

Physics

  1. 1In a single slit diffraction the distance between plane of slit and screen is . The size of the slit is and second maximum is formed at the 26 May, 2018Diffraction of Light
  2. 2Light is incident on a polarizer with intensity . A second prism called analyzer is kept at a angle of , from the first polarizer then the i26 May, 2018Polarization of Light
  3. 3Assertion : In Young's double slit experiment, interference pattern disappears when one of the slits is closed. Reason : Interference occurs26 May, 2018Interference of Light
  4. 4Assertion : Torque on a body can be zero event if there is a net forces on it. Reason : Torque and force on a body are always perpendicular.26 May, 2018Torque
  5. 5A particle is projected from the ground with an initial speed of at an angle with horizontal. The average velocity of the particle between i26 May, 2018Projectile motion
  6. 6The radius of the circular conducting loop shown in figure is . Magnetic field is decreasing at a constant rate . Resistance per unit length26 May, 2018Magnetic Flux, Faraday's and Lenz law
  7. 7A circular ring of diameter has a resistance of . The charge that will flow through the ring if it is turned from a position perpendicular t26 May, 2018Magnetic Flux, Faraday's and Lenz law
  8. 8A diatomic gas which has initial volume of 10 litre is isothermally compressed to of its original volume where initial pressure is . If temp26 May, 2018Thermodynamic Processes
  9. 9Suppose a quantity can be dimensionally represented in terms of and T, that is then26 May, 2018Dimensions
  10. 10The activity of a sample of radioactive material is at time and at time . If its mean life is , then26 May, 2018Radioactivity
  11. 11In a nuclear fusion reaction, two nuclei, and fuse to produce a nucleus , releasing an amount of energy in the process. If the mass defects 26 May, 2018Nuclear reactions
  12. 12Assertion : Mass is not conserved, but mass and energy are conserved as a single entity is called mass-energy. Reason: Mass and energy are i26 May, 2018Nuclear energy
  13. 13A long cylindrical wire carrying current of 10 A. has radius of , then find its magnetic field induction at a point from the centre of the w26 May, 2018Magnetic Field
  14. 14Two magnets are suspended by a given wire one by one. In order to deflect the first magnet through , the wire has to be twisted through wher26 May, 2018Magnetic Moment
  15. 15Assertion : Magnetic field can not change kinetic energy of a moving charge. Reason : Magnetic field can not change velocity vector.26 May, 2018Motion of Charged Particle in Magnetic Field
  16. 16A galvanometer of resistance is converted to a voltmeter of range by connecting a resistance of . The resistance required to convert the sam26 May, 2018Electric Instruments
  17. 17Centre of mass of a uniform ring of radius will be at a position26 May, 2018Centre of mass of continuous mass distribution
  18. 18A rocket is fired vertically from the ground with a resultant vertical acceleration of . The fuel is finished in and it continues to move up26 May, 2018Variable mass system
  19. 19What will be the position of centre of mass of a half disc of uniform mass density as shown26 May, 2018Centre of mass of continuous mass distribution
  20. 20A bomb moving with velocity explodes into two pieces of mass ratio . After explosion the smaller piece moves away with velocity . The veloci26 May, 2018momentum
  21. 21Assertion : A rocket works on the principle of conservation of linear momentum. Reason : Higher the velocity, smaller is the pressure and vi26 May, 2018Variable mass system
  22. 22A satellite is revolving around the earth with a kinetic energy . The minimum addition of kinetic energy needed to make it escape from its o26 May, 2018Motion of satellite
  23. 23Earth orbiting satellite has solar energy collecting panel with total area . If solar radiations are perpendicular and completely absorbed, 26 May, 2018Kepler laws
  24. 24A particle is performing simple harmonic motion with angular frequency 5000 radian/second and amplitude and mass of . Find the total energy 26 May, 2018Energy of Simple Harmonic Motion
  25. 25Assertion : When a pendulum is made to oscillate on the surface of the Moon, its time period increases. Reason : Moon is much smaller as com26 May, 2018Applications of SHM
  26. 26A fully charged parallel plate capacitor of capacity is discharging through a resistor. If the energy of the capacitor reduces to half in on26 May, 2018Charging and Discarging of capacitors
  27. 27Assertion : The force between the plates of a parallel plate capacitor is proportional to charge on it. Reason : Electric force is equal to 26 May, 2018Force and Energy stored in capacitor
  28. 28If the maximum kinetic energy of emitted photo electrons from a metal surface of work function , is . If wavelength of incident radiation is26 May, 2018Photoelectric Effect
  29. 29Assertion : Photoelectric effect demonstrates the wave nature of light. Reason: The number of photoelectrons is proportional to the frequenc26 May, 2018Photoelectric Effect
  30. 30A long solid non-conducting cylinder of radius is charged such that the volume charge density is proportional to where is the distance from 26 May, 2018Electric Field and Electric Field Lines
  31. 31A uniformly charged non conducting disc with surface charge density having radius . Then find the magnitude of electric field at a point on 26 May, 2018Electric Field and Electric Field Lines
  32. 32Assertion : Net electric field insider conductor is zero. Reason : Total positive charge equals to total negative charge in a charged conduc26 May, 2018Electric Field and Electric Field Lines
  33. 33Assertion : All the charge in a conductor gets distributes on whole of its outer surface. Reason : In a dynamic system, charges try to keep 26 May, 2018Electric Potential and Potential Energy
  34. 34Assertion : Charge never flows from a condenser of higher capacity to the condenser of lower capacity. Reason : Flow of charge between two b26 May, 2018Electric Charge and Coulomb's law
  35. 35Assertion : Water waves in a river are not polarized. Reason : Water waves are longitudinal as well as transverse in nature.26 May, 2018Basics of Mechanical Waves
  36. 36Assertion : In a string wave, during reflection from fix boundary, the reflected waves is inverted. Reason : The force on string by clmap is26 May, 2018Travelling Waves
  37. 37The voltage across a pure inductor is represented in figure. Which one of the following curves in the figure will represent the current?26 May, 2018Alternating Current, Voltage and Power
  38. 38An electric bulb has a rated power of at . If it is used on an AC source of , , a choke has to be used in series with it. This choke should 26 May, 2018AC Circuits
  39. 39Assertion : A needle placed carefully on the surface of water may float, whereas a ball of the same material will always sink. Reason : The 26 May, 2018Archmidies Principle
  40. 40Assertion : Surface tension decreases with increases in temperature. Reason : On increasing temperature kinetic energy increases and intermo26 May, 2018Surface tension
  41. 41The charge of a parallel plate capacitor is varying as . The plates are very large and close together. Neglecting edge effects, the displace26 May, 2018Electromagnetic Waves and Maxwell's equations
  42. 42Assertion : The energy of X-ray photon is greater than that of light (visible) photon. Reason : X-ray photon in vacuum travels faster than l26 May, 2018X-Rays
  43. 43The mass of a box measured by a grocer's balance is . Two gold pieces of masses and are added to the box. What is the total mass of the box 26 May, 2018Errors of Measurement
  44. 44Assertion : The first derivative of a vector of constant magnitude (either zero or a nonzero) is perpendicular to the vector itself. Reason 26 May, 2018Fundamentals of Vectors
  45. 45Output of the given circuit is26 May, 2018Logic gates
  46. 46In a common emitter (CE) amplifier having a voltage gain , the transistor used has transconductance 0.03 mho and current gain 25. If this tr26 May, 2018Junction Transistors
  47. 47If current in diode is five times that in . Breadkdown voltage of diode is 6 volt. Find the value of .26 May, 2018Diodes
  48. 48A boy stands on a weighing machine inside a lift. When the lift is going down with acceleration , the machine shows a reading 30 kgf. When t26 May, 2018Motion Under Gravity
  49. 49A body starts from rest and travels a distance with uniform acceleration, then moves uniformly a distance and finally comes to rest after mo26 May, 2018Rest and Motion
  50. 50Assertion : For a given time interval, average velocity is single valued while average speed can have many values. Reason : Velocity is a ve26 May, 2018Rest and Motion
  51. 51A copper rod is suspended in a nonhomogeneous magnetic field region. The rod when in equilibrium will align itself26 May, 2018Magnetic Materials and their Properties
  52. 52In a simple microscope of focal length , final image is formed at the least distance of distinct vision, then its magnification will be26 May, 2018Optical Instruments
  53. 53Assertion : Rainy clouds appear dark from below. Reason : There is not sufficient light which can be scattered by these clouds.26 May, 2018Prism and Dispersion of Light
  54. 54In the diagram block is hanging from a pulley and force is applied on the string to keep the system in equilibrium. If the whole system is m26 May, 2018Equilibrium of Forces
  55. 55The rear side of a truck is open and a box of mass is placed on the truck away from the open end. If is 0.15 and is and the truck starts fro26 May, 2018Frictional force
  56. 56Assertion: On a banked curved track, vertical component of normal reaction provides the necessary centripetal force. Reason : Centripetal fo26 May, 2018Non-uniform Circular Motion
  57. 57In an amplitude modulated signal the maximum amplitude is 15 volt and minimum amplitude is 5 volt, then amplitude of modulating wave will be26 May, 2018Modulation
  58. 58In hydrogen atom, electron excites from ground state to higher energy state and its orbital velocity is reduced to of its initial value. The26 May, 2018Bohr's Atomic Model
  59. 59is the frequency of the series limit of Lyman series, is the frequency of the first line of Lyman series and is the frequency of the series 26 May, 2018Atomic Spectrum
  60. 60With what minimum speed must a small ball should be pushed inside a smooth vertical tube from a height , so that it may reach the top of the26 May, 2018Energy

Zoology

  1. 1Achondroplasia is a disease related with the defect in the formation of26 May, 2018Locomotion
  2. 2A cricket player is fastly chasing a ball in the field. Which one of the following groups of bones are directly contributing in this movemen26 May, 2018Locomotion
  3. 3Complete the following paragraph by selecting the correct option. Pelvic girdle consists of two coxal bones. Each coxal bone is formed by th26 May, 2018Locomotion
  4. 4Identify the given diagram and its effect.26 May, 2018Addiction and Dependence
  5. 5Assertion : Cancer cells are virtually immortal until the body in which they reside dies. Reason : Cancer is caused by damage to genes regul26 May, 2018Cancer
  6. 6Match the columns.26 May, 2018Branches of Ecology
  7. 7In a population of 1000 individuals, 360 belong to genotype AA, 480 to and the remaining 160 to aa. Based on this data, the frequency of all26 May, 2018Organisms and its Environment
  8. 8Assertion: Darwin's finches show a variety of beaks suited for eating large seeds, flying insects and cactus seeds. Reason : Ancestral seed-26 May, 2018Theory of Darwin
  9. 9Assertion: Interspecific competition is the only potent force in organic evolution. Reason : Unexceptionally two closely related species com26 May, 2018Process or Mechanism of Evolution
  10. 10Which of the following disorders are caused due to recessive autosomal mutations?26 May, 2018Genetic Disorders
  11. 11Assertion : In humans, the gamete contributed by the male determines whether the child produced will be male or female. Reason: Sex in human26 May, 2018Sex Determination in Humans
  12. 12Assertion : A geneticist crossed two plants and got tall and dwarf progenies. Reason : This cross follows Mendelian law as one of the parent26 May, 2018Working Method
  13. 13Assertion : A person may be a haemophilic, only if his mother is a carrier or colourblind. Reason: The male parent cannot pass on a sex-link26 May, 2018Genetic Disorders
  14. 14Following is the diagrammatic representation of the sectional view of cochlea. Select the correct option regarding it.26 May, 2018Sensory Organ
  15. 15Which of the following is a non-sense mutation?26 May, 2018Genetic Code
  16. 16Which of the following statements is correct regarding eukaryotic translation?26 May, 2018Translation
  17. 17Assertion: Amber codon is a termination codon. Reason : If in RNA, a termination codon is present, the protein synthesis stops abruptly whet26 May, 2018Genetic Code
  18. 18Select the option with correct matching.26 May, 2018Cockroach
  19. 19A patient of diabetes mellitus excretes glucose in urine even when he is kept on a carbohydrate free diet. It is because26 May, 2018Pancreas
  20. 20According to the accepted concept of hormone action, if receptor molecules are removed from target organs, then the target organ will26 May, 2018Introduction
  21. 21Match column I with column II and select the correct option from the given codes.26 May, 2018Products
  22. 22The vitamin nicotinamide can be synthesised in our body from26 May, 2018Vitamin
  23. 23A young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes out is quite yellowi26 May, 2018Liver
  24. 24Developing spermatozoa receive nutrition from26 May, 2018Embryology
  25. 25Contraction of the cremaster muscle occurs because of26 May, 2018Male Reproductive System
  26. 26Assertion : Myometrium is important component of uterus. Reason: Myometrium produces strong contractions during parturition.26 May, 2018Female Reproductive System
  27. 27Cyclosporin is used as26 May, 2018Products
  28. 28Citrus canker is caused by26 May, 2018Genetic Modified Crops
  29. 29Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal an26 May, 2018Genetic Modified Crops
  30. 30Purkinje fibres are present in26 May, 2018Human Circulatory System
  31. 31What is diapedesis?26 May, 2018Blood
  32. 32Hypophysation is done in major carps26 May, 2018Fisheries
  33. 33Assertion : Protandry and protogyny ensure cross fertilisation in some animals. Reason: Cross fertilisation introduces variation in progeny.26 May, 2018Animal Breeding
  34. 34Assertion : Hybridoma cells are shifted to a medium deficient in nutrient which cannot be synthesised by myeloma cells. Reason: The nutrient26 May, 2018Animal Breeding

Frequently Asked Questions

1.How many questions are in the AIIMS 2018 26th May paper?

This paper has 180 questions in total - 26 from Botany, 60 from Chemistry, 60 from Physics, and 34 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.How is the AIIMS 2018 26th May paper structured?

The AIIMS 2018 26th May paper on MARKS has 180 questions, organised by subject:

  • Botany: 26 questions - 26 single-correct.
  • Chemistry: 60 questions - 60 single-correct.
  • Physics: 60 questions - 60 single-correct.
  • Zoology: 34 questions - 34 single-correct.
4.How difficult is the AIIMS 2018 26th May paper?

Each question on MARKS carries a difficulty rating. Of the 180 rated questions in this paper, 87 (48%) are easy, 70 (39%) are medium and 23 (13%) are hard. Subject wise:

  • Botany: 12 easy, 13 medium, 1 hard
  • Chemistry: 31 easy, 18 medium, 11 hard
  • Physics: 28 easy, 25 medium, 7 hard
  • Zoology: 16 easy, 14 medium, 4 hard
5.Which chapters were asked the most in the AIIMS 2018 26th May paper?

The chapters with the most questions in each subject were:

  • Botany: Animal Kingdom (3), Cell Cycle and Cell Division (3), and Biomolecules (B) (2).
  • Chemistry: p Block Elements (Group 15, 16, 17 & 18) (6), General Organic Chemistry (4), and Chemical Bonding and Molecular Structure (3).
  • Physics: Center of Mass Momentum and Collision (5), Electrostatics (5), and Laws of Motion (3).
  • Zoology: Principles of Inheritance and Variation (4), Human Reproduction (3), and Locomotion and Movement (3).
6.Are there any out-of-syllabus questions in the AIIMS 2018 26th May paper?

Yes. 40 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 2018 26th May 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 2018 26th May 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.