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AIIMS 2018 27th May

Browse the complete Botany, Chemistry, Physics, and Zoology question set from the AIIMS 2018 27th 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 - 83 easy (46%), 72 moderate (40%) and 25 tough (14%). 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 40% easy, 43% moderate, 17% tough; Chemistry 50% easy, 35% moderate, 15% tough; Zoology 54% easy, 38% moderate, 8% tough; Botany 38% easy, 48% moderate, 14% tough.

Botany questions were spread across 14 chapters, with Morphology of Flowering Plants (4), Anatomy of Flowering Plants (2), and Cell - The Unit of Life (2) carrying the most weight. Chemistry questions were spread across 25 chapters, with Alcohols Phenols and Ethers (6), Chemical Bonding and Molecular Structure (6), and Structure of Atom (4) carrying the most weight. Physics questions were spread across 29 chapters, with Dual Nature of Matter (4), Semiconductors (4), and Communication System (3) carrying the most weight. Zoology questions were spread across 17 chapters, with Biotechnology and Its Applications (5), Organisms and Populations (4), and Structural Organisation in Animals (4) carrying the most weight.

Botany

  1. 1Chromosome number is reduced during meiosis because the process consists of27 May, 2018M-phase (Mitotic Phase)
  2. 2Which of the following is key event of anaphase of mitotic division?27 May, 2018Meiosis
  3. 3Assertion : Net primary productivity is gross primary productivity minus respiration. Reason : Secondary productivity is produced by heterot27 May, 2018Functions of Ecosystem
  4. 4Assertion : Transpiration occurs only when stomata are open. Reason : Transpiration occurs only through stomata.27 May, 2018Transpiration
  5. 5Which of the following is not a characteristic of mitochondria?27 May, 2018Cell Organelles
  6. 6Golgi apparatus is absent in27 May, 2018Cell Organelles
  7. 7In above diagram, the labelling ' ' is27 May, 2018The Root
  8. 8Diagrams of hypogynous, perigynous and epigynous flowers are given below. Find out the option that correctly exemplifies and .27 May, 2018The Flower
  9. 9Which of the following is correct for the given floral diagrams?27 May, 2018Families
  10. 10Assertion : The endosperm in gymnosperm is formed after fertilisation. Reason : The endosperm of gymnosperm is formed by triple fusion.27 May, 2018The Seed
  11. 11Companion cells are associated with27 May, 2018Meristematic Tissues
  12. 12Vessels in xylem are found in27 May, 2018Permanent Tissues
  13. 13Which of the following belongs to Class Osteichthyes?27 May, 2018Subphylum Cephalochordata
  14. 14Which of the following is not a bioassay for cytokinins?27 May, 2018Plant Growth Regulators
  15. 15Assertion : Respiratory pathway is an amphibolic pathway. Reason : In respiration, there is breakdown of many substances (catabolism) and sy27 May, 2018Amphibolic Pathway
  16. 16Which of the following is/are free living nitrogen fixers?27 May, 2018Nitrogen Metabolism
  17. 17The saturation point of in plants is27 May, 2018Mechanism of Photosynthesis
  18. 18Assertion : Colpa aurea is a specialised pollinating agent of orchid Ophrys speculum. Reason : Male Colpa mistakes the Ophrys flower for fem27 May, 2018Sexual Reproduction
  19. 19Select the incorrect statement.27 May, 2018Angiosperms
  20. 20Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms.27 May, 2018Angiosperms
  21. 21Assertion : Deforestation sequesters from atmosphere. Reason : Global warming is beneficial for plants and human health.27 May, 2018Pollution

Chemistry

  1. 1Give IUPAC name of the following compound:27 May, 2018IUPAC Nomenclature
  2. 2Which of the following order is correct?27 May, 2018Dipole moment
  3. 3Which pair of molecules does not have identical structure?27 May, 2018Hybridisation and VSEPR Theory
  4. 4Which of the following pairs have different hybridisation and same shape? (i) and (ii) and (iii) and (iv) and27 May, 2018Hybridisation and VSEPR Theory
  5. 5Which of the following have same hybridisation but are not isostructural?27 May, 2018Hybridisation and VSEPR Theory
  6. 6Assertion : bonds are much stronger than bonds. Reason : Silicon forms double bonds with itself.27 May, 2018Characteristics of covalent compound
  7. 7What is the maximum wavelength of line of Balmer series of hydrogen spectrum?27 May, 2018Hydrogen spectrum
  8. 8In the and ions, the increasing order of size is27 May, 2018Atomic Mass and Atomic Size
  9. 9Wavelength of a particular transition for atom is . What can be the wavelength of for the same transition?27 May, 2018Hydrogen spectrum
  10. 10Assertion : Fine lines are observed in spectra if an atom is placed in a magnetic field. Reason : Degenerate orbitals split in the presence 27 May, 2018Hydrogen spectrum
  11. 11Calculate ionisation constant for pyridinium hydrogen chloride. (Given that ion concentration is and its concentration is .)27 May, 2018Salt Hydrolysis
  12. 121 mole of an ideal gas expands isothermally reversibly from 2 litre to 4 litre and 3 moles of the same gas expands from 2 litre to litre and27 May, 2018First Law and Basic Fundamentals of Thermodynamics
  13. 13What is the entropy change in , when its temperature is taken from to , at constant pressure?27 May, 2018Entropy and Second law of thermodynamics
  14. 14Assertion : Addition of and gives . Reason : Addition of two path functions cannot give state function.27 May, 2018System and surrounding
  15. 15Which of the following contains atleast one lone pair in all of its halides?27 May, 2018Halogens and Its Compounds
  16. 16Which of the following is correct regarding bond angles? (i) (ii) (iii) (iv)27 May, 2018Hybridisation and VSEPR Theory
  17. 17Assertion : Pure is formed from . Reason : Thermal decomposition of is used to inflate the air bags used for safety devices in some cars.27 May, 2018Nitrogen and Its Compounds
  18. 18Assertion : Brown ring test is not valid for ion. Reason : Because ion first gets converted into ion.27 May, 2018Nitrogen and Its Compounds
  19. 19Assertion : Red phosphorus on heating changes its colour into black. Reason : Black phosphorus contains units.27 May, 2018Phosphorus and Its Compounds
  20. 20Trien is27 May, 2018Terminology of coordination compounds
  21. 21Which of the following is a pair of diamagnetic complexes?27 May, 2018Werner's theory and Valence Bond Theory
  22. 22Assertion : On passing electric current in colloidal solution they do not move towards anode or cathode. Reason : They do not contain any ch27 May, 2018Properties of colloidal solution
  23. 23Assertion : Soap is mixed to form O/W emulsion. Reason : Soap reduces surface tension.27 May, 2018Emulsions and Gels
  24. 24What are the suitable reagents for the following conversion?27 May, 2018Preparation and Properties of Carboxylic Acids
  25. 25Assertion : For the reaction, the product is isopropyl benzene. Reason : This is due to rearrangement of primary carbocation into secondary 27 May, 2018Reactions of aromatic compounds
  26. 26solution is present in a conductivity cell with electrode of area placed apart and resistance observed is . What is the molar conductivity o27 May, 2018Conductance and Conductivity
  27. 27Assertion : Molar conductivity of a weak electrolyte at infinite dilution cannot be determined experimentally. Reason : Kohlrausch law helps27 May, 2018Conductance and Conductivity
  28. 28Assertion : Electrolysis of produces metal. Reason : is obtained at cathode.27 May, 2018Cells and Electrode Potential, Nernst Equation
  29. 29F-centre is27 May, 2018Non-stoichiometric defects
  30. 30Assertion : Metal deficiency defect can be seen in . Reason : Li compound ( has pink colour due to F-center.27 May, 2018Non-stoichiometric defects
  31. 31In the given reaction : 2 moles each of and present in of solution combine to form 1 mole of . Calculate for the reaction.27 May, 2018Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  32. 32Assertion : Solubility of gases increases with increase in pressure. Reason : Dissolution of gas in liquid is exothermic.27 May, 2018Le chatelier's principle
  33. 33Mixture of two bivalent metals and having mass when dissolved in at STP, is evolved. What is the mass of present in mixture? (Atomic mass of27 May, 2018Quantitative measures in chemical equations
  34. 34In which of the following elements number of -electrons is zero in -orbital?27 May, 2018Properties of D-block elements
  35. 35In acidic medium, which of the following becomes colourless?27 May, 2018Compounds of Transition Metals
  36. 36Which of the following exhibits minimum number of oxidation states?27 May, 2018F-Block elements
  37. 37Least number of oxidation states is shown by27 May, 2018F-Block elements
  38. 38of polymer having molar mass is dissolved in water. Calculate the osmotic pressure in pascal at .27 May, 2018Colligative Properties and Abnormal Molecular Masses
  39. 39Ethylene glycol is used as antifreeze to reduce freezing point of water to . What mass of antifreeze is required for water? water27 May, 2018Colligative Properties and Abnormal Molecular Masses
  40. 40Assertion : The vapour pressure of a liquid decreases if some non volatile solute is dissolved in it. Reason : The relative lowering of vapo27 May, 2018Colligative Properties and Abnormal Molecular Masses
  41. 41Major product of the given reaction is27 May, 2018Preparation of Ethers
  42. 42Preview not available - open to view this question.27 May, 2018Reactions of Oxiranes
  43. 43Identify the final product of the given reaction.27 May, 2018Reactions of Oxiranes
  44. 44Give the correct sequence of reagents used for the following conversion.27 May, 2018Chemical reactions for aldehydes and ketones
  45. 45Preview not available - open to view this question.27 May, 2018Reactions of Carbonyl Compounds
  46. 46Reason : Alkyl aryl ethers on reaction with halogen acid always form aryl halide due to formation of highly stable carbocation.27 May, 2018Reactions of Ethers
  47. 47Assertion : Glycerol is purified by distillation under reduced pressure. Reason : Organic compounds in liquid state are purified by distilla27 May, 2018Purification of Organic Compounds
  48. 48Assertion : Ortho-nitrophenol is more acidic than meta-nitrophenol. Reason: Ortho-nitrophenol has more -I-effect than meta-nitrophenol.27 May, 2018Properties of Phenol
  49. 49Which option is valid for a zero order reaction?27 May, 2018Integrated rate laws
  50. 50What is the product of the reaction between dilute solution of and ?27 May, 2018Chemical properties of hydrogen peroxide
  51. 51Assertion : Saline hydrides are non-volatile, non-conducting and crystalline solids. Reason : Saline hydrides are compounds of hydrogen with27 May, 2018Hydrides
  52. 52Which is incorrect?27 May, 2018Drugs and It's Classification
  53. 53Assertion : Cimetidine is an antacid. Reason : Antacid increases secretion of from gastric cells.27 May, 2018Drugs and It's Classification
  54. 54The correct order of reactivity in reaction for the following compounds is27 May, 2018Preparation and Properties of Monohalides
  55. 55The first step in the extraction of copper is27 May, 2018Extraction of Metals
  56. 56Which process is used in smelting during metallurgy of copper?27 May, 2018Extraction of Metals
  57. 57When of gas at 4 bar pressure is added to of gas , the total pressure inside the container becomes 6 bar. Which of the following is true?27 May, 2018Gas laws and Ideal Gas Equation
  58. 58In van der Waals equation at constant temperature , if , , then what is the pressure of the gas?27 May, 2018Real Gases and Van der Waal's Equation
  59. 59Number of stereoisomers formed in the given reaction is27 May, 2018Chemical reactions for aldehydes and ketones
  60. 60Assertion : Oxidation of glucose by -water gives saccharic acid. Reason : -water oxidises and -OH group.27 May, 2018Preparation and Reactions of Glucose

Physics

  1. 1The head lights of a jeep are apart. If the pupil of the eye of an observer has a diameter of and light of wavelength is used, what should b27 May, 2018Interference of Light
  2. 2Assertion : Colours are seen in thin layers of oil on the surface of water. Reason : White light is composed of several colours.27 May, 2018Interference of Light
  3. 3An elevator starts going up with an acceleration . If radius of the wheel attached to the elevator is , then find out number of revolutions 27 May, 2018Rotational kinematics
  4. 4Assertion : For a projectile the time of flight of a body becomes times the original value if its speed is made times. Reason : This is due 27 May, 2018Projectile motion
  5. 5Assertion : For angular projection, when angle of projection , the horizontal range is four times the maximum height. Reason : The horizonta27 May, 2018Projectile motion
  6. 6Two identical circular coils and are kept on a horizontal tube side by side without touching each other. If the current in the coil increase27 May, 2018Magnetic Flux, Faraday's and Lenz law
  7. 7Assertion : Only a change in magnetic flux will maintain an induced current in the coil. Reason : The presence of large magnetic flux throug27 May, 2018Magnetic Flux, Faraday's and Lenz law
  8. 8Assertion : In adiabatic process change in internal energy is equal to work done on gas. Reason: In adiabatic process no heat exchange with 27 May, 2018Thermodynamic Processes
  9. 9What are the dimensions of in the relation , where is the force, is distance and is time ?27 May, 2018Dimensions
  10. 10If decay constant of a radioactive sample is 0.05 per year, then find the time (in year) for which sample will decay by .27 May, 2018Radioactivity
  11. 11In the cyclotron, as radius of the circular path of the charged particle increases angular velocity, linear velocity)27 May, 2018Motion of Charged Particle in Magnetic Field
  12. 12Assertion : When radius of a circular loop carrying current is doubled, its magnetic moment becomes four times. Reason : Magnetic moment dep27 May, 2018Magnetic Moment
  13. 13In the circuit shown, the current through the resistor is27 May, 2018Kirchoffs Laws
  14. 14In a potentiometer experiment of a cell of emf gives balancing length of . If the cell is replaced by another cell, balancing length is foun27 May, 2018Electric Instruments
  15. 15Assertion : A current flows in a conductor only when there is an electric field within the conductor. Reason : The drift velocity of electro27 May, 2018Electric Current and Drift of Electrons
  16. 16Three bricks each of length and mass are arranged as shown from the wall. The distance of the centre of mass of the system from the wall is27 May, 2018Centre of mass of continuous mass distribution
  17. 17A body of mass collides elastically with another body of mass at rest. If the velocity of after collision becomes times its initial velocity27 May, 2018Collisions
  18. 18Average distance of the earth from the sun is . If one year of the earth days, one year of another planet whose average distance from the su27 May, 2018Kepler laws
  19. 19A satellite is moving with a constant speed in a circular orbit about the earth. An object of mass is ejected from the satellite such that i27 May, 2018Gravitational potential and Potential Energy
  20. 20Assertion : In simple harmonic motion, kinetic energy and potential energy become equal when the displacement is times the amplitude. Reason27 May, 2018Energy of Simple Harmonic Motion
  21. 21Assertion : If a pendulum is suspended in a lift and lift is falling freely, then its time period becomes infinite. Reason : Free falling bo27 May, 2018Applications of SHM
  22. 22Electric field inside the given capacitor with dielectric is and dielectric constant of material is . Find charge density on the plates. (Gi27 May, 2018Capacitors with Dielectric
  23. 23Find the charge on .27 May, 2018Grouping of capacitors
  24. 24A deutron has an energy of when accelerated through a potential difference . What will be the energy of an -particle accelerated by source ?27 May, 2018Matter Waves
  25. 25An electron moving with speed has wavelength and another electron moving with speed has wavelength , find . ( mass of electron)27 May, 2018Matter Waves
  26. 26Maximum velocity of the photoelectron emitted by a metal is . Take the value of specific charge of the electron is . Then the stopping poten27 May, 2018Photoelectric Effect
  27. 27Assertion : The de Broglie wavelength of a molecule varies inversely as the square root of temperature. Reason : The root mean square veloci27 May, 2018Matter Waves
  28. 28A charge particle is moving along electric field as shown in figure. What is horizontal displacement of the charge particle when it descends27 May, 2018Electric Field and Electric Field Lines
  29. 29Assertion : In the absence of an externally applied electric field, the displacement per unit volume of a polar dielectric material is alway27 May, 2018Electric Dipole
  30. 30Assertion : The speed of sound in a gas is not affected by change in pressure provided the temperature of the gas remains constant. Reason :27 May, 2018Speed of Sound Waves
  31. 31Assertion : Resonance is a special case of forced vibrations in which the natural frequency of vibration of the body is the same as the impr27 May, 2018Organ Pipe (Vibration of Air Column)
  32. 32A series combination of resistor and capacitor is connected to an AC source of angular frequency . Keeping the voltage same, if the frequenc27 May, 2018AC Circuits
  33. 33A ring of radius is kept on water surface. Surface tension of water is and mass is . What force required to lift the ring from water surface27 May, 2018Surface tension
  34. 34Assertion : Viscous force is measurement of resistance of a liquid. Reason : Work done by viscous force converts kinetic energy into heat en27 May, 2018Viscosity
  35. 35Assume that a radio station is about away from your location and the station operates at . How long does it take for an electromagnetic sign27 May, 2018Electromagnetic Spectrum
  36. 36Assertion : When an electron beam strikes the target in an X-ray tube, part of the kinetic energy is converted into X-ray energy. Reason : I27 May, 2018X-Rays
  37. 37The percentage error in measuring and are and respectively. Then the percentage error in measuring the physical quantity with dimensions is27 May, 2018Errors of Measurement
  38. 38Two vectors are given by and . Find the third vector if .27 May, 2018Addition and Subtraction of Vectors
  39. 39Assertion : If dot product and cross product of and are zero, it implies that one of the vector and must be null vector. Reason : A null vec27 May, 2018Multiplication of Vectors
  40. 40An unknown transistor needs to be identified as a or type. A multimeter, with +ve and -ve terminals, is used to measure resistance between d27 May, 2018Junction Transistors
  41. 41Assume that each diode shown in the figure has a forward bias resistance of and an infinite reverse bias resistance. The current through the27 May, 2018Diodes
  42. 42Assertion : In a common emitter amplifier, the load resistance of the output circuit is 1000 times the resistance of the input circuit. If 027 May, 2018Junction Transistors
  43. 43Assertion : Gallium arsenide phosphide is used for making LED. Reason: Valanceband overlaps with conduction band in case of semionductor.27 May, 2018Special purpose diodes
  44. 44A particle is thrown vertically up with an initial velocity from the surface of Earth (take ). The time (in s) taken by the particle to reac27 May, 2018Uniform Motion
  45. 45The displacement-time graphs of two moving particles make angles of and with the time axis. The ratio of their velocities is27 May, 2018Graphs of motion in one dimension
  46. 46A bar magnet of magnetic moment and moment of inertia is freely suspended such that the magnetic axial line is in the direction of magnetic 27 May, 2018Magnetism and Properties of Magnet
  47. 47A paramagnetic substance of susceptibility is placed in a magnetising field of . Then the intensity of magnetisation in the units of is27 May, 2018Magnetism and Properties of Magnet
  48. 48In the figure, a ray of light is perpendicular to the face of a glass prism . Find the value of so that the ray is totally reflected at face27 May, 2018Prism and Dispersion of Light
  49. 49Focal length of convex lens is and focal length of concave lens is . Find the magnification of the given combination of lens if object is pl27 May, 2018Lens Formula, Refraction of light from curved surface
  50. 50If focal length of human eye is , then find the focal length of contact lens, such that a combined focus system of focal length is obtained 27 May, 2018Lens Formula, Refraction of light from curved surface
  51. 51The Young's modulus of a rope of length and having diameter of is . If the elongation produced in the rope is , the force applied on the rop27 May, 2018Young’s Modulus and Breaking Stres
  52. 52A cart has mass 2 metric tone and sand of 1 metric tone is inside the cart. Now a force of is applied on cart and sand starts to leak with r27 May, 2018Newton's laws of motion
  53. 53A ground receiver receives a signal at , transmitted by a ground transmitter at a height of , which is away from it. Then it can communicate27 May, 2018Propagation of EM Waves
  54. 54If the modulation index of an amplitude modulated wave is changed from 0 to 1 , then the transmitted power will be27 May, 2018Modulation
  55. 55Assertion : Sky wave signals are used for long distance radio communication. These signals are in general, less stable than ground wave sign27 May, 2018Propagation of EM Waves
  56. 56In a hydrogen like atom electron makes transition from an energy level with quantum number to another with quantum number . If , the frequen27 May, 2018Bohr's Atomic Model
  57. 57The largest wavelength in the ultraviolet region of the hydrogen spectrum is . The smallest wavelength in the infrared region of the hydroge27 May, 2018Atomic Spectrum
  58. 58If mole of a gas changes its temperature from to at pressure . If is given of the gas what is change in entropy?27 May, 2018Degree of Freedom and Specific Heat
  59. 59A closed vessel explodes at pressure. If temperature of the vessel is at pressure then find at what temperature will vessel explodes27 May, 2018Gas Laws
  60. 60Assertion : The total translational kinetic energy of all the molecules of a given mass of an ideal gas is 1.5 times the product of its pres27 May, 2018Pressure and Energy of gas

Zoology

  1. 1Total number of bones in the hindlimb of a man is27 May, 2018Locomotion
  2. 2Assertion : The strength of linkage will be more when the distance between two genes is greater. Reason : Crossing over will be relatively l27 May, 2018Chromosome Theory of Inheritance
  3. 3The ventilation movements of the lungs in mammals are governed by27 May, 2018Respiratory Organs
  4. 4Assertion : The dorsal respiratory group (DRG) present in the dorsal portion of medulla oblongata mainly causes expiration. Reason : The ven27 May, 2018Human Respiratory System
  5. 5At a particular locus, frequency of allele ' ' is 0.6 and that of allele ' ' is 0.4 . What would be the frequency of heterozygotes in a rand27 May, 2018Organisms and its Environment
  6. 6Assertion : Ectotherms are able to remain active under cold conditions. Reason : Ectotherms are able to maintain a constant internal tempera27 May, 2018Biotic Community
  7. 7Assertion : Mullerian and Batesian mimicry both are protective mimicry. Reason : Viceroy butterfly shows Mullerian mimicry.27 May, 2018Organisms and its Environment
  8. 8Assertion : Appetency is the formation of new structure or habit of the organism according to its need. Reason : Appetency is also called do27 May, 2018Introduction
  9. 9When red and white flowered Mirabilis plants are crossed all pink flowers are seen in generation. When progeny is selfed, the expected pheno27 May, 2018Chromosome Theory of Inheritance
  10. 10Assertion : Accumulation of phenyl pyruvic acid in brain results in mental retardation in case of phenylketonuria. Reason: The affected indi27 May, 2018Genetic Disorders
  11. 11Assertion : Hypnotic drugs induce sleep. Reason : Central nervous system is sensitive to hypnotic drugs.27 May, 2018Parts of Nervous System
  12. 12Find out the incorrect match.27 May, 2018Transcription
  13. 13Percentage of recombination between and is and is and is , then the arrangement of genes is27 May, 2018Regulation of Gene Expression
  14. 14Codons of alanine are27 May, 2018Genetic Code
  15. 15Which is the first formed tissue in the embryo?27 May, 2018Animal Tissue
  16. 16The kind of epithelium present in inner surface of bronchioles and Fallopian tubes is27 May, 2018Epithelial Tissue
  17. 17In frog, mesorchium is a thin fold of membrane extending between27 May, 2018Frog
  18. 18Presence of gills in the tadpole of frog indicates that27 May, 2018Frog
  19. 19Conn's disease is caused by the oversecretion of27 May, 2018Adrenal Gland
  20. 20Assertion : Adrenocorticotropic-Releasing Hormones (ARH) excite the anterior lobe of pituitary gland to produce adrenocorticotropic hormone 27 May, 2018Adrenal Gland
  21. 21Assertion : Pituitary is attached to hypothalamus by a vein. Reason : This attachment is done through a hypophysial portal vein.27 May, 2018Pituitary Gland
  22. 22Which of the following can be used as biofertiliser in cotton field?27 May, 2018Introduction
  23. 23Chloromycetin is obtained from27 May, 2018Introduction
  24. 24All the digestive enzymes like carbohydrase, protease, lipase, DNase, RNase are found in27 May, 2018Role of Gastrointestinal Peptide Hormones
  25. 25Assertion : Balantidium coli lives in intestine of human beings. Reason : Balantidium is harmless to human beings.27 May, 2018Intestine
  26. 26Assertion : Auerbach's plexus controls the secretion of intestinal juice. Reason : Meissner's plexus controls the peristalsis in alimentary 27 May, 2018Role of Gastrointestinal Peptide Hormones
  27. 27Refer to the given figure of T.S. of penis. How will penile function be altered if the blood supply to the is impaired?27 May, 2018Male Reproductive System
  28. 28Insulin receptors are27 May, 2018Application in Medicine
  29. 29What might be an advantage of beginning gene therapy prior to birth?27 May, 2018Application in Medicine
  30. 30Two of the body parts which do not appear in MRI may be27 May, 2018Application in Medicine
  31. 31Assertion : Eli Lily prepared two DNA sequences corresponding to and chain of human insulin and introduced them in the plasmid of E.coli to 27 May, 2018Application in Medicine
  32. 32Assertion : GM plants are more useful than normal plants. Reason : Golden rice is rich in -carotene27 May, 2018Genetic Modified Crops
  33. 33The drugs used to quickly reduce the symptoms of allergy are27 May, 2018Blood
  34. 34Which of the following statements is not correct regarding EcoRI restriction endonuclease enzyme?27 May, 2018Tools of Recombinant DNA Technology
  35. 35An X-ray of the lower abdomen shows a shadow in the region of the ureter suspected to be a ureteric calculus. A possible clinical symptom wo27 May, 2018Mammalian Urinary System
  36. 36It is a disease which mainly affects mucous membrane of urinogenital tract. In males, burning feeling on passing urine, after a yellow disch27 May, 2018Mammalian Urinary System
  37. 37What will you conclude, when a cow is crossed to a bull and the female progeny is yielding more milk than its mother?27 May, 2018Cattle and Buffaloes
  38. 38Fishes in eutrophic lake die due to27 May, 2018Fisheries
  39. 39Assertion : AIDS and hepatitis B are sexually transmitted diseases. Reason : There is no permanent cure for both of them.27 May, 2018Sexually Transmitted Diseases

Frequently Asked Questions

1.How many questions are in the AIIMS 2018 27th May paper?

This paper has 180 questions in total - 21 from Botany, 60 from Chemistry, 60 from Physics, and 39 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 2018 27th May paper?

The AIIMS 2018 27th May paper on MARKS has 180 questions, organised by subject:

  • Botany: 21 questions - 21 single-correct.
  • Chemistry: 60 questions - 60 single-correct.
  • Physics: 60 questions - 60 single-correct.
  • Zoology: 39 questions - 39 single-correct.
4.What is the difficulty level of the AIIMS 2018 27th May paper?

Each question on MARKS carries a difficulty rating. Of the 180 rated questions in this paper, 83 (46%) are easy, 72 (40%) are medium and 25 (14%) are hard. Subject wise:

  • Botany: 8 easy, 10 medium, 3 hard
  • Chemistry: 30 easy, 21 medium, 9 hard
  • Physics: 24 easy, 26 medium, 10 hard
  • Zoology: 21 easy, 15 medium, 3 hard
5.Which chapters had the most questions in the AIIMS 2018 27th May paper?

The chapters with the most questions in each subject were:

  • Botany: Morphology of Flowering Plants (4), Anatomy of Flowering Plants (2), and Cell - The Unit of Life (2).
  • Chemistry: Alcohols Phenols and Ethers (6), Chemical Bonding and Molecular Structure (6), and d and f Block Elements (4).
  • Physics: Dual Nature of Matter (4), Semiconductors (4), and Communication System (3).
  • Zoology: Biotechnology and Its Applications (5), Organisms and Populations (4), and Structural Organisation in Animals (4).
6.Are there any out-of-syllabus questions in the AIIMS 2018 27th 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 27th 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 27th 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.