AIIMS 2010
Browse the complete Botany, Chemistry, Physics, and Zoology question set from the AIIMS 2010 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 - 104 easy (58%), 38 moderate (21%) and 38 tough (21%). 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 53% easy, 28% moderate, 18% tough; Chemistry 60% easy, 28% moderate, 12% tough; Zoology 51% easy, 8% moderate, 41% tough; Botany 74% easy, 4% moderate, 22% tough.
Botany questions were spread across 14 chapters, with Photosynthesis in Higher Plants (3), Transport in Plants (3), and Anatomy of Flowering Plants (2) carrying the most weight. Chemistry questions were spread across 24 chapters, with General Organic Chemistry (5), d and f Block Elements (5), and Chemical Kinetics (4) carrying the most weight. Physics questions were spread across 26 chapters, with Current Electricity (4), Laws of Motion (4), and Rotational Motion (4) carrying the most weight. Zoology questions were spread across 18 chapters, with Digestion and Absorption (4), Human Health and Diseases (4), and Structural Organisation in Animals (4) carrying the most weight.
Botany
- 1What do and represent in the following figure?2010Means of Transport
- 2What is correct about the movement of substance across the membrane in facilitated diffusion?2010Means of Transport
- 3Assertion : Shrinkage of the protoplast of a cell occurs under the influence of hypertonic solution. Reason : Hypertonic solution causes pla2010Plasmolysis
- 4Who invented electron microscope?2010Cell Membranes
- 5What are Singer and Nicolson known for?2010Cell Membranes
- 6The given figure shows L.S of the seed of maize. What do and represent?2010The Seed
- 7Why are vascular bundles closed in monocots?2010Anatomy of Plant Parts
- 8Assertion : Cork prevents the loss of water by evaporation. Reason : Cork cells contain tannins.2010Secondary Growth
- 9Which of the following have porous body and are diploblastic?2010Phylum Ctenophora
- 10Refer the given figures on photoperiodism and select the correct option.2010Photoperiodism
- 11Which of the following has highest diversity in India?2010Patterns of Biodiversity
- 12Protista differs from monera in having2010Kingdom Protista
- 13Which of the following is correct?2010Viruses
- 14Cyclic photophosphorylation involves2010The Site of Photosynthesis
- 15The first stable product of Calvin cycle is2010Mechanism of Photosynthesis
- 16Assertion : Due to pollution atmospheric concentration of is increasing which will be harmful for plants whereas productivity is going to in2010Mechanism of Photosynthesis
- 17Assertion : Commelina shows cleistogamy. Reason : This reduces chances of inbreeding.2010Sexual Reproduction
- 18Gametophyte and sporophyte are independent of each other in which of the following groups?2010Angiosperms
- 19Assertion : Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. Reason : It is due to biomagni2010Pollution
- 20The taxon which includes related species is2010Diversity in the Living World
- 21Match the following columns and select the correct option.2010Diversity in the Living World
- 22What is the Greek word for ecology?2010Introduction
- 23Animals take phosphorus from2010Cycles Operating
Chemistry
- 1Which of the following conditions is not correct for resonating structures?2010Conjugation and Aromaticity
- 2Degree of unsaturation of , it contains no double or triple bonds. Identify .2010Conjugation and Aromaticity
- 3Preview not available - open to view this question.2010Isomerism of Organic Compounds
- 4is 3-carbethoxy- 2-butenoic acid. Reason : Principal functional group gets lowest number followed by double bond or triple bond.2010IUPAC Nomenclature
- 5Assertion : 2,3-Dimethylbut-2-ene is more stable than but-2-ene. Reason : Six hyperconjugation structures can be written for 2, 3-dimethylbu2010Conjugation and Aromaticity
- 6In tetrag onal crystal system, which of following is not true?2010Crystal Structure of Solids
- 7The shape and hybridisation of some xenon oxyfluorides are given. Choose the wrong set.2010Hybridisation and VSEPR Theory
- 8Preview not available - open to view this question.2010Preparation and Properties of Esters
- 9Assume that you are travelling at a speed of in a small car with a mass of . If the uncertainty in the velocity of the car is , what is the 2010Dual Behaviour of Matter and Heisenberg Uncertainty Principle
- 10Assertion : The nuclear isomers are the atoms with the same atomic number and same mass number, but with different radioactive properties. R2010Atomic Mass and Atomic Size
- 11Assertion : S.I. unit of atomic mass and molecular mass is kilograms. Reason : Atomic mass is equal to the mass of atoms.2010Atomic Mass and Atomic Size
- 12What is the of glycine solution? For glycine and at .2010PH of solutions
- 13The standard half-cell reduction potential for is at . Given the experimental value for , calculate the standard half-cell reduction potenti2010Solubility
- 14Beryllium and aluminium exhibit many properties which are similar. But the two elements differ in2010Properties of S-block elements
- 15Which of the following acids will not evolve gas on reaction with alkali metals?2010General Characteristics of Alkali Metals
- 16and have the same crystal structure and approximately the same ionic radii. If is the lattice energy of , the approximate lattice energy of 2010Laws of Thermochemistry and Enthalpy Change
- 17Match List I with List II and select the correct answer using the codes given below the lists:2010Third law of thermodynamics
- 18Assertion : Bond energy and bond dissociation energy have identical value for diatomic molecules. Reason : Greater the bond dissociation ene2010Laws of Thermochemistry and Enthalpy Change
- 19Bromine is added to cold dilute aqueous solution of . The mixture is boiled. Which of the following statements is not true?2010Halogens and Its Compounds
- 20The phosphate of a metal has the formula . The formula of its chloride would be2010Phosphorus and Its Compounds
- 21Assertion : is covalent in gaseous and liquid states but ionic in solid state. Reason : in solid state consists of tetrahedral cation and oc2010Phosphorus and Its Compounds
- 22Assertion : Helium has the highest value of ionisation energy among all the elements known. Reason : Helium has the highest value of electro2010Noble Gases
- 23Assertion : Conductivity of silicon increases by doping it with group-15 elements. Reason : Doping means introduction of small amount of imp2010Silicon and Its Compounds
- 24Match list I with list II and select the correct answer using the codes given below the lists. Codes2010Werner's theory and Valence Bond Theory
- 25A complex shows a molar conductance of in water and precipitates three moles of with solution. The formula of the complex is2010Terminology of coordination compounds
- 26is named as tetrakis (ethylene-diammine) -hydroxo-m-imido dicobalt (III) ion. Reason : In naming polynuclear complexes i.e., containing two 2010Nomenclature of coordination compounds
- 27Butter is an example of which type of colloid?2010Colloids
- 28The strained tetracyclic alkane is isomerize thermally to the cyclic alkene. The reaction involves2010Reactions of alkanes
- 29Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound . Compound on further treatment with aqueous KOH yiel2010Reactions of alkenes
- 30Assertion : Benzene on heating with conc. gives benzenesulphonic acid which when heated with superheated steam under pressure gives benzene.2010Reactions of aromatic compounds
- 31A factory produces of calcium in two hours by electrolysis. How much aluminium can be produced by same current in 2 hours if current efficie2010Cells and Electrode Potential, Nernst Equation
- 32Calculate using appropriate molar conductances of the electrolytes listed above at infinite dilution in at .2010Conductance and Conductivity
- 33For the electrochemical cell, , and . From this data one can deduce that2010Cells and Electrode Potential, Nernst Equation
- 34Assertion : Magnesium is extracted by the electrolysis of fused mixture of and . Reason : Calcium chloride acts as a reducing agent.2010Compounds of Alkali Metals
- 35Assertion : Due to Frenkel defect, density of the crystalline solid decreases. Reason : In Frenkel defect, cation or anion leaves the crysta2010Stoichiometric defects
- 36Assertion : The equilibrium constant is fixed and a characteristic for any given chemical reaction at a specified temperature. Reason: The c2010Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
- 37of a given sample of gives of at S.T.P. The given sample is2010Concentration terms
- 38When of is dissolved in of solution, its concentration will be2010Concentration terms
- 39Stomach acid, a dilute solution of in water, can be neutralized by reaction with sodium hydrogen carbonate, How many milliliters of solution2010Quantitative measures in chemical equations
- 40Assertion : The molality of the solution does not change with change in tempe-rature. Reason : The molality is expressed in units of moles p2010Concentration terms
- 41What are constituents of 'Mischmetal'?2010F-Block elements
- 42In the ground state of , the number of shells occupied, subshells occupied, filled orbitals and unpaired electrons respectively are2010Properties of D-block elements
- 43Compound (molecular formula ) is treated with acidified potassium dichromate to form a product (molecular formula ). forms a shining silver 2010Chemical reactions for aldehydes and ketones
- 44Assertion : Zinc displaces copper from copper sulphate solution. Reason : The of zinc is and that of copper is .2010Properties of D-block elements
- 45Assertion : Transition metals are poor reducing agents . Reason : Transition metals form numerous alloys with other metals.2010Properties of D-block elements
- 46Assertion : The degree of complex formation in actinides decreases in the order . Reason : Actinides form complexes with p-bonding ligands s2010F-Block elements
- 47Preview not available - open to view this question.2010Reactions of Ethers
- 48The major product of the following reaction is2010Reactions of Ethers
- 49For a order reaction if concentration is doubled then rate of reaction becomes2010Integrated rate laws
- 50For a reaction , the graph of the product concentration versus time came out to be a straight line passing through the origin. Hence the gra2010Methods to determine order of reaction
- 51Assertion : The overall order of the reaction is the sum of the exponents of all the reactants in the rate expression. Reason : There are ma2010Rate law and rate constant
- 52The chemical name for melamine is2010Preparation and Properties of Polymers
- 53Equal weight of and are mixed together in an empty container at . The fraction of total pressure exerted by is2010Mixture of gases
- 54Two flasks and have capacity and respectively and each of them contains 1 mole of a gas. The temperatures of the flasks are so adjusted that2010Kinetic theory of gases
- 55Which of the following reactions does not yield an amine?2010Preparation and Properties of Amines
- 56The compound which on reaction with aqueous nitrous acid at low temperature produces an oily nitrosoamine is2010Preparation and Properties of Amines
- 57Assertion : Aldol condensation can be catalysed both by acids and bases. Reason : -Hydroxy aldehydes or ketones readily undergo acid catalys2010Chemical reactions for aldehydes and ketones
- 58Which of the following is correct?2010Periodic properties
- 59Which of the following sequence contains atomic number of only representative elements?2010Periodic properties
- 60Assertion : The position of an element in periodic table after emission of one - and two -particles remains unchanged. Reason : Emission of 2010Integrated rate laws
Physics
- 1What is moment of inertia of a cylinder of radius , along its height ?2010Moment of inertia of rigid bodies
- 2Four holes of radius are cut from a thin square plate of side and mass . The moment of inertia of the remaining portion about -axis is2010Moment of inertia of rigid bodies
- 3Assertion : A wheel moving down a perfectly frictionless inclined plane will undergo slipping (not rolling motion) Reason : For perfect roll2010Rolling without Slipping
- 4Assertion : A hollow shaft is found to be stronger than a solid shaft made of same material. Reason : The torque required to produce a given2010Torque
- 5Two projectiles of same mass have their maximum kinetic energies in ratio and ratio of their maximum heights is also 4: 1 then what is the r2010Projectile motion
- 6Assertion : In javelin throw, the athlete throws the projectile at an angle slightly more than . Reason : The maximum range does not depend 2010Projectile motion
- 7A circular coil with a cross-sectional area of has 10 turns. It is placed at the center of a long solenoid that has 15 turns and a crosssect2010Self and Mutual Inductance
- 8Pressure versus temperature graph of an ideal gas is as shown in figure. Density of the gas at point is . Density at point will be2010Thermodynamic Processes
- 9A reversible engine converts one-sixth of the heat input into work. When the temperature of the sink is reduced by , the efficiency of the e2010Heat Engine, Refrigerator and Second Law of Thermodynamics
- 10If the energy, , where is the universal gravitational constant, is the Planck's constant and is the velocity of light, then the values of an2010Dimensions
- 11Which of the following pairs does not have same dimensions ?2010Dimensions
- 12The latent heat of vaporisation of a substance is always2010Calorimetry
- 13Assertion : Water kept in an open vessel will quickly evaporate on the surface of the moon. Reason : The temperature at the surface of the m2010Calorimetry
- 14Two radioactive substances and have decay constants and respectively. At , they have the same number of nuclei. The ratio of number of nucle2010Radioactivity
- 15The intensity of gamma radiation from a given source is . On passing through of lead, it is reduced to . The thickness of lead which will re2010Radioactivity
- 16An uncharged particle is moving with a velocity of in non-uniform magnetic field as shown. Velocity would be2010Motion of Charged Particle in Magnetic Field
- 17Assertion : If a proton and an a-particle enter a uniform magnetic field perpendicularly with the same speed, the time period of revolution 2010Motion of Charged Particle in Magnetic Field
- 18Transmission lines transmit a voltage of volt to our houses from power stations, then the power supplied by them is proportional to2010Electric Current and Drift of Electrons
- 19A galvanometer has a current sensitivity of per division. A variable shunt is connected across the galvanometer and the combination is put i2010Electric Instruments
- 20In the circuit shown, current flowing through cell is2010Kirchoffs Laws
- 21Assertion : It is advantageous to transmit electric power at high voltage. Reason : High voltage implies high current.2010Electric Power and Heating Effect of Current
- 22Assertion : The difference in the value of acceleration due to gravity at pole and equator is proportional to square of angular velocity of 2010Acceleration Due to Gravity
- 23Preview not available - open to view this question.2010Grouping of capacitors
- 24Whenever a stream of electrons collides with a stream of photons, in this collision, which of the following is not conserved?2010Photoelectric Effect
- 25If and are maximum kinetic energies of photoelectrons emitted when lights of wavelengths and respectively incident on a metallic surface. If2010Photoelectric Effect
- 26Assertion : The de Broglie equation has significance for any microscopic or submicroscopic particles. Reason : The de Broglie wavelengs inve2010Matter Waves
- 27In figure, a particle having mass and charge starts from rest at point and moves in a straight line to point . What is its speed at point ?2010Electric Potential and Potential Energy
- 28An electric charge is placed at the origin of co-ordinate system. Two points and are situated at and respectively. The potential difference 2010Electric Potential and Potential Energy
- 29Assertion : An electric field is preferred in comparison to magnetic field for detecting the electron beam in a television picture tube. Rea2010Electric Field and Electric Field Lines
- 30A uniform string is vibrating with a fundamental frequency ' '. The new frequency, if radius \& length both are doubled would be2010Vibration of String
- 31Five sinusoidal waves have the same frequency but their amplitudes are in the ratio and their phase angles and respectively. The phase angle2010Interference and Superposition of Waves
- 32The second overtone of an open pipe has the same frequency as the first overtone of a closed pipe long. The length of the open pipe is2010Organ Pipe (Vibration of Air Column)
- 33Alternating current cannot be measured by D.C. ammeter because2010Alternating Current, Voltage and Power
- 34The core of any transformer is laminated so as2010Transformers
- 35Two spherical soap bubbles of radii and in vacuum coaleasce under isothermal conditions. The resulting bubbles has a radius given by2010Surface tension
- 36A liquid is kept in a cylindrical vessel which is being rotated about a vertical axis through the centre of the circular base. If the radius2010Hydrodynamics
- 37A capillary tube of radius is immersed in water and water rises in it to a height . The mass of water in the capillary tube is . Another cap2010Surface tension
- 38Assertion : Electromagnetic waves are transverse in nature Reason : The electric and magnetic fields of an e.m. wave are perpendicular to ea2010Electromagnetic Waves and Maxwell's equations
- 39Assertion : X-ray astronomy is possible only from satellites orbiting the earth. Reason : Efficiency of X-rays telescope is large as compare2010X-Rays
- 40The logic gate represented in following figure is2010Logic gates
- 41Assertion : A pure semiconductor has negative temperature coefficient of resistance. Reason : On raising the temperature, more charge carrie2010Semiconductors
- 42Assertion : At a fixed temperature, silicon will have a minimum conductivity when it has a smaller acceptor doping. Reason : The conductivit2010Semiconductors
- 43The position of a particle moving in the plane at any time is given by, metres; metres. Select the correct statement.2010Uniform Motion
- 44Assertion : Two balls of different masses are thrown vertically upward with same speed. They will pass through their point of projection in 2010Uniform Motion
- 45Assertion : The apparent weight of a body in an elevator moving with some downward acceleration is less than the actual weight of a body. Re2010Motion Under Gravity
- 46Which of the following is true regarding dimagnetic substances (symbols have their usual meaning)2010Magnetic Materials and their Properties
- 47Assertion : The magnetic poles of earth do not coincide with the geographic poles. Reason: The discrepancy between the orientation of a comp2010Earths magnetic field
- 48For a person near point of vision is . Then the power of lens he must wear so as to have normal vision, should be2010Lens Formula, Refraction of light from curved surface
- 49Assertion : If objective and eye lenses of a microscope are interchanged then it can work as teles cope. Reason : The objective lens of tele2010Optical Instruments
- 50Two masses and are connected at the ends of an inextensible string passing over a frictionless pulley as shown. When the masses are released2010Newton's laws of motion
- 51A block of mass is pulled along a horizontal surface by applying a force at an angle with the horizontal. If the block travels with a unifor2010Frictional force
- 52Let and be the time periods of springs and when mass is suspended from one end of each spring. If both springs are taken in series and the s2010Spring force
- 53Assertion : A horse has to pull a cart harder during the first few steps of his motion. Reason : The first few steps are always difficult.2010Frictional force
- 54Assertion : Communication in UHF/VHF regions can be established by space wave or tropospheric wave. Reason : Communication in UHF/VHF region2010Propagation of EM Waves
- 55What would be maximum wavelength for Brackett series of hydrogen-spectrum?2010Atomic Spectrum
- 56What would be the radius of second orbit of ion?2010Atomic Spectrum
- 57The wavelength of Lymen series for first number is2010Atomic Spectrum
- 58Graph of specific heat at constant volume for a monoatomic gas is2010Degree of Freedom and Specific Heat
- 59A block of mass is moving in -direction with a constant speed of . It is subjected to a retarding force joule/metre during its travel from t2010Energy
- 60Assertion : If momentum of a body increases by , its kinetic energy will increase by . Reason : Kinetic energy is proportional to square of 2010Energy
Zoology
- 1Which of the following is correct about the given figure?2010Locomotion
- 2Chemosensitive area of respiratory centre in medulla is affected by2010Human Respiratory System
- 3Assertion : Emphysema is a chronic disorder in which alveolar walls are damaged. Reason : Emphysema is closely related to cigarette smoking.2010Human Respiratory System
- 4What does ' ' stands for in DPT vaccine?2010Acquired Immunity
- 5Which one is correct?2010Common Health Disease
- 6CD-4 receptor is associated with2010Cancer
- 7Assertion : Interferons are antiviral proteins. Reason : Interferons are secreted by virus infected cells.2010Innate
- 8Assertion : All pathogens are parasites but all parasites are not pathogens. Reason : Majority of the parasites confer benefits to the host.2010Populations
- 9The concept of chemical evolution is based on2010The Earth
- 10Which of the following disorders are caused due to recessive autosomal mutations?2010Genetic Disorders
- 11Which of the following diseases is also called Christmas disease?2010Genetic Disorders
- 12Assertion : Antirrhimum is a good example to understand incomplete dominance. Reason : Heterozygotes show characteristics of both the allele2010Incomplete Dominance
- 13Assertion : Auditory ossicles are small bones present in the cavity of inner ear. Reason : Auditory ossicles maintain the balance of air pre2010Sensory Organ
- 14Which of the following is correct regarding genetic code?2010Genetic Code
- 15Assertion : DNA fingerprinting involves identifying differences in specific regions in DNA sequence. Reason : DNA fingerprinting is the basi2010DNA Fingerprinting
- 16Microvilli of intestinal epithelium are similar in function with2010Earthworm
- 17The type of epithelial cells which line the inner surface of Fallopian tubes, bronchioles and bronchi are known as2010Epithelial Tissue
- 18Assertion : In cockroach respiratory gases directly comes in contact with the various organs of the body. Reason : Cockroaches do not have r2010Cockroach
- 19Assertion : Pharyngeal nephridia play a role in the conservation of water in the earthworm. Reason : They help the earthworm in keeping the 2010Earthworm
- 20What is the effect of GnRH produced by hypothalamus?2010Hypothalamus
- 21Assertion : Adrenaline is called an emergency hormone. Reason : It acts on the cells of skeletal, cardiac, smooth muscles, blood vessels and2010Adrenal Gland
- 22Assertion : Insulin is antagonistic to glucagon. Reason : It is an anabolic hormone.2010Pancreas
- 23Select the correct statement.2010Products
- 24Vitamin is also called2010Vitamin
- 25Which of the following is correct?2010Stomach
- 26Assertion : Bile is essential for the digestion of lipids. Reason : Bile juice contains enzymes bilirubin and biliverdin.2010Liver
- 27Assertion : Pantothenic acid deficiency is probably the most common vitamin deficiency. Reason : Macrocytic anaemia is a characteristic feat2010Vitamin
- 28What do and represent?2010Female Reproductive System
- 29Which animal has the longest gestation period?2010Embryology
- 30Assertion : Parturition is induced by neural signal in maternal pituitary. Reason : At the end of gestation period, the maternal pituitary r2010Female Reproductive System
- 31Which one is correct regarding electrocardiograph (ECG)?2010Electrocardiograph
- 32What is a plasmid?2010European Federation of Biotechnology
- 33Recombinant DNA technology involves several steps in which initial step is of isolation of the DNA. Which enzymes are used in the process fo2010Tools of Recombinant DNA Technology
- 34Assertion : While on going down the loop of Henle, the filtrate becomes hypotonic. Reason : The descending limb of loop of Henle is impermea2010Mammalian Urinary System
- 35Which of the following is a correct match between crop, variety and resistance to diseases?2010Plant Breeding
- 36Assertion : Inbreeding produces pureline. Reason : It causes homozygosity.2010Animal Breeding
- 37Which of the following is correct regarding HIV, hepatitis B, gonorrhoea, trichomoniasis?2010Sexually Transmitted Diseases
Frequently Asked Questions
1.How many questions are in the AIIMS 2010 paper?
This paper has 180 questions in total - 23 from Botany, 60 from Chemistry, 60 from Physics, and 37 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 2010 paper?
The AIIMS 2010 paper on MARKS has 180 questions, organised by subject:
- Botany: 23 questions - 23 single-correct.
- Chemistry: 60 questions - 60 single-correct.
- Physics: 60 questions - 60 single-correct.
- Zoology: 37 questions - 37 single-correct.
4.What is the difficulty level of the AIIMS 2010 paper?
Each question on MARKS carries a difficulty rating. Of the 180 rated questions in this paper, 104 (58%) are easy, 38 (21%) are medium and 38 (21%) are hard. Subject wise:
- Botany: 17 easy, 1 medium, 5 hard
- Chemistry: 36 easy, 17 medium, 7 hard
- Physics: 32 easy, 17 medium, 11 hard
- Zoology: 19 easy, 3 medium, 15 hard
5.Which chapters had the most questions in the AIIMS 2010 paper?
The chapters with the most questions in each subject were:
- Botany: Photosynthesis in Higher Plants (3), Transport in Plants (3), and Anatomy of Flowering Plants (2).
- Chemistry: d and f Block Elements (5), General Organic Chemistry (5), and Chemical Kinetics (4).
- Physics: Current Electricity (4), Laws of Motion (4), and Rotational Motion (4).
- Zoology: Digestion and Absorption (4), Human Health and Diseases (4), and Structural Organisation in Animals (4).
6.Are there any out-of-syllabus questions in the AIIMS 2010 paper?
Yes. 39 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 2010 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 2010 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.