Graduate Aptitude Test in Engineering — Life Sciences
IIT Roorkee (2027) · Online (CBT) · Annual (February)
CBT Simulator
Recommended · FreePractice mock tests, PYQs, and topicwise questions in the official exam interface. Regular CBT simulation increases success rates by up to 40%!
AI Predictors
AI Powered · FreeExpected college selection and rank reports. Get immediate insights based on expected percentiles or mock scores to plan your admissions!
GATE XL Syllabus
Complete chapter-wise syllabus covering all subjects. Updated as per official exam pattern.
SI Units, Dimensional Analysis, Significant Figures, Errors in Measurement
KinematicsMotion in 1D, Motion in 2D, Projectile Motion, Relative Motion
Laws of MotionNewton's Laws, Friction, Circular Motion, Dynamics of Particles
Work, Energy and PowerWork-Energy Theorem, Conservation of Energy, Power, Collisions
Rotational MotionMoment of Inertia, Torque, Angular Momentum, Rolling Motion
GravitationNewton's Law of Gravitation, Gravitational Potential, Orbital Motion, Kepler's Laws
Mechanical Properties of FluidsPressure, Archimedes Principle, Bernoulli's Equation, Viscosity
ThermodynamicsLaws of Thermodynamics, Heat Engines, Carnot Cycle, PV Diagrams
WavesWave Motion, Standing Waves, Doppler Effect, Beats
ElectrostaticsCoulomb's Law, Electric Field, Gauss's Law, Capacitors
Current ElectricityOhm's Law, Kirchhoff's Laws, Wheatstone Bridge, Potentiometer
Magnetism and MatterBiot-Savart Law, Ampere's Law, Lorentz Force, Magnetic Materials
Electromagnetic InductionFaraday's Law, Lenz's Law, Self Inductance, AC Circuits
OpticsReflection and Refraction, Lenses, Young's Double Slit, Diffraction
Modern PhysicsPhotoelectric Effect, Bohr Model, Radioactivity, Nuclear Reactions
Semiconductorsp-n Junction, Diodes, Transistors, Logic Gates
Mole Calculations, Empirical Formula, Limiting Reagent, Concentration Terms
Atomic StructureBohr's Model, Quantum Numbers, Electronic Configuration, Photoelectric Effect
Chemical BondingVSEPR Theory, Hybridization, Molecular Orbital Theory, Resonance
States of MatterIdeal Gas Law, Kinetic Theory, Real Gases, Liquid State
Chemical ThermodynamicsEnthalpy, Entropy, Gibbs Free Energy, Hess's Law
EquilibriumChemical Equilibrium, Ionic Equilibrium, pH and Buffers, Solubility Product
ElectrochemistryElectrochemical Cells, Nernst Equation, Electrolysis, Conductance
Chemical KineticsRate Laws, Order of Reaction, Arrhenius Equation, Half-Life
SolutionsRaoult's Law, Colligative Properties, Osmosis, van't Hoff Factor
p-Block ElementsGroup 13-18 Elements, Oxoacids, Allotropes, Halides
d and f-Block ElementsTransition Metals, Magnetic Properties, Colour of Compounds, Lanthanoids
Coordination CompoundsIUPAC Nomenclature, Crystal Field Theory, Isomerism, Werner's Theory
General Organic ChemistryIUPAC Naming, Reaction Intermediates, Inductive Effect, Resonance
HydrocarbonsAlkanes, Alkenes, Alkynes, Aromatic Compounds
Haloalkanes and HaloarenesSN1 and SN2, Elimination Reactions, Nucleophilic Substitution
Alcohols, Phenols and EthersPreparation, Chemical Reactions, Lucas Test, Kolbe's Reaction
Aldehydes, KetonesNucleophilic Addition, Aldol Condensation, Cannizzaro Reaction
AminesBasicity Order, Diazonium Salts, Carbylamine Test, Azo Coupling
BiomoleculesCarbohydrates, Proteins, Nucleic Acids, Vitamins
Set Operations, Types of Relations, Types of Functions, Composition
Complex NumbersAlgebra of Complex Numbers, Modulus and Argument, de Moivre's Theorem, Cube Roots
Sequences and SeriesArithmetic Progression, Geometric Progression, Special Series, AM-GM-HM
Binomial TheoremBinomial Expansion, General Term, Middle Term, Coefficient Problems
Permutations and CombinationsFundamental Counting, Permutations, Combinations, Circular Arrangements
ProbabilityClassical Probability, Conditional Probability, Bayes' Theorem, Binomial Distribution
Matrices and DeterminantsMatrix Operations, Determinants, Inverse Matrix, System of Equations
TrigonometryTrigonometric Identities, Inverse Trigonometry, Trigonometric Equations, Heights
Coordinate GeometryStraight Lines, Circle, Parabola, Ellipse, Hyperbola
Limits and ContinuityLimits, L'Hopital's Rule, Continuity, Differentiability
DifferentiationDerivatives, Chain Rule, Application of Derivatives, Maxima-Minima
IntegrationIndefinite Integration, Definite Integration, Area Under Curves, Differential Equations
Vectors and 3D GeometryVector Operations, Dot and Cross Product, Lines in 3D, Planes in 3D
StatisticsMean, Median, Mode, Standard Deviation, Variance, Correlation
Table of Contents
About Graduate Aptitude Test in Engineering — Life Sciences (GATE XL) 2027
The Graduate Aptitude Test in Engineering — Life Sciences (GATE XL) is one of the most competitive entrance exams, conducted by the IIT Roorkee (2027). Preparing for the GATE XL requires systematic practice, conceptual clarity, and regular self-evaluation. Our platform offers dynamic mock tests, previous years' resolved papers, and AI-enabled analysis to help you secure a top rank.
Frequently Asked Questions
What optional sections are available in GATE XL 2027?
GATE XL has Chemistry (mandatory) plus 5 optional sections: Biochemistry (XL-P), Botany (XL-Q), Microbiology (XL-R), Zoology (XL-S), and Food Technology (XL-T). Candidates must choose any 2 optional sections.
Which GATE XL sections should biology graduates choose?
Biochemistry + Microbiology is the most popular combination for biotechnology careers. Botany + Zoology is ideal for ecology/environmental science. Food Technology can be chosen for agri-food industry careers.
Can GATE XL be used for IISc research admission?
Yes, IISc Bangalore accepts GATE XL for research programmes in Biological Sciences, Biochemistry, and related departments. GATE XL is also accepted by several IIT Biological Engineering departments.
What is the difference between GATE XL and CSIR NET Life Sciences?
GATE XL is primarily for MTech/research admission in engineering colleges. CSIR NET Life Sciences qualifies you for JRF (Junior Research Fellowship) and lectureship in basic sciences. Many students appear for both.
Is GATE XL Chemistry section hard?
The mandatory Chemistry section in GATE XL covers physical, organic, and inorganic chemistry at BSc level. It is typically 15 marks and is easier than GATE CY (full Chemistry paper). BSc Chemistry background is sufficient.
How to Prepare for GATE XL
Chemistry (mandatory 15 marks) covers BSc-level Physical, Organic, and Inorganic — a solid 3-4 week review is sufficient
Choose optional sections based on your BSc specialisation — depth matters more than breadth
Biochemistry section focuses on Metabolic Pathways, Enzyme Kinetics, and Protein Structures — use Lehninger/Berg as reference
General Aptitude (mandatory 15 marks) is straightforward — practise basic verbal and numerical reasoning daily