CEnT-S Syllabus: Complete Exam Topics
The CEnT-S syllabus covers five main sections: Mathematics, Reasoning on Texts and Data, Biology, Chemistry and Physics.
Under the official 2025–2026 CISIA structure, the exam contains 55 questions and lasts 110 minutes. But understanding the exam requires more than knowing the number of questions: each section contains a defined set of knowledge areas and skills specified by CISIA.
This guide breaks down the complete official CEnT-S syllabus and explains what each topic area actually requires from candidates. For the exam's general structure, admissions process and normalization mechanism, see our What is CEnT-S? guide.
Sources last checked: 13 August 2026
Primary source: CISIA — CEnT-S Structure and Syllabus
In short
In short: What is on the CEnT-S syllabus?
| Mathematics | 15 questions — 30 min |
|---|---|
| Reasoning on Texts and Data | 15 questions — 30 min |
| Biology | 10 questions — 20 min |
| Chemistry | 10 questions — 20 min |
| Physics | 5 questions — 10 min |
| Total | 55 questions — 110 min |
CISIA does not publish a fixed number of questions or official percentage weights for individual subtopics. Therefore, do not present speculative topic-by-topic weightings as official exam data.
How Is the CEnT-S Syllabus Structured?
CISIA organizes the CEnT-S syllabus into five exam sections and, within each section, into distinct topic nuclei / competency areas. Each subject heading below corresponds to one of these officially defined nuclei on CISIA's syllabus page.
CEnT-S does not test only memorized facts. Most official topic descriptions explicitly require candidates to:
- interpret
- compare
- model
- estimate
- apply
- reason
- connect representations
- solve problems
So this guide tries to explain, for every topic area, both what students need to know and what students need to be able to do with that knowledge. This distinction matters most for Mathematics and Reasoning.
CEnT-S Mathematics Syllabus
15 questions · 30 minutesMathematics is one of CEnT-S's two largest sections by question count: 15 questions for 30 minutes. That doesn't make it officially more important than the other sections — it just reflects the question and time allocation. The official mathematics syllabus is divided into the following nuclei.
01. Numbers
Candidates should be comfortable moving between different representations of numbers, and estimating whether a result is plausible, rather than relying only on mechanical calculation.
- Elementary operations and ordering between integer, rational and real numbers
- Division with remainder between natural numbers; factorization, divisors and multiples
- Powers with integer exponent; roots of positive numbers; powers with rational exponent
- Percentages of numbers and percentage changes
- Calculation and transformation of expressions
02. Algebra
The emphasis is on manipulating equivalent mathematical expressions and correctly interpreting solution sets.
- Manipulation and evaluation of literal expressions, equalities and inequalities
- Factorization and roots of polynomials
- Solution concepts and solution sets for equations, inequalities, and systems
- First and second degree algebraic equations and inequalities
- Manipulation and resolution of linear or simple systems
03. Geometry
Analytical geometry is a full part of the syllabus alongside classical Euclidean geometry — coordinate-plane representations are in scope, not just figure properties.
- Classification and properties of plane and space figures: lines, planes, angles, triangles, quadrilaterals, regular polygons, circumferences, prisms, pyramids, cylinders, cones, spheres
- Perimeter, area, and volume calculations
- Similarity concepts and relationships between similar figures
- Cartesian coordinates and distance between points
- Equations of straight lines, slope, and line intersections
- Circumference equations and plane subset representations
04. Functions
CISIA explicitly expects candidates to move comfortably between algebraic and graphical representations.
- Function concept; composition, invertibility, and inverse functions
- Main function properties and characteristics
- Graph interpretation and transformations; graphic equation and inequality resolution
- Elementary functions: power, root, polynomial, rational (e.g. 1/(ax+b)), absolute value, exponential, logarithmic
05. Exponentials and Logarithms
- Logarithm definition and algebraic properties
- Exponential and logarithmic function characteristics
- Elementary exponential and logarithmic equations and inequalities
06. Combinatorics and Probability
- Finite set representation and counting strategies
- Dispositions, combinations, permutations
- Event probability as the ratio of favorable to possible outcomes
- Union and intersection probability for disjoint and independent events
07. Basic Statistics
The official syllabus combines calculation with reading and interpreting data — knowing a formula in isolation isn't enough.
- Data representation and interpretation using tables and graphs
- Absolute and relative frequency concepts
- Measures of central tendency (mean, median, mode)
CEnT-S Reasoning on Texts and Data Syllabus
15 questions · 30 minutesReducing this section to just "logic" understates it. CISIA defines three distinct competency nuclei here, across 15 questions and 30 minutes.
01. Logic and Deductive Reasoning
This isn't a formal university logic course — questions are phrased in plain language, and the goal is reading the logical relationship between statements correctly.
- Understanding logical connectives (negation, conjunction, disjunction, implication)
- Recognition of quantifier expressions: “every,” “all,” “each,” “none,” “at least”
- Proposition verification and logical compatibility assessment
- Deduction of logical consequences from propositions
- Negation and counterexample identification
- Necessary, sufficient, and necessary-and-sufficient conditions
- Set-based representation for logical deductions
02. Interpretation and Manipulation of Data
These questions often combine verbal and numerical information at once — for example, checking a written claim against a chart next to it.
- Understanding texts with varied language and representations
- Numerical information extraction from texts, tables, and graphs
- Conclusion drawing and statement-support verification
- Data sorting and criteria application
- Process recognition for information extraction
03. Problem Solving and Basic Mathematical Language
- Text comprehension including figures, tables, and diagrams
- Information representation using schemas, tables, sets, diagrams
- Calculation, estimation, sorting, and number comparison
- Percentage, ratio, proportionality, and arithmetic mean concepts
- Translation of word relationships into equations
- Assessing whether a mathematical result makes sense for the original real-world problem
CEnT-S Biology Syllabus
10 questions · 20 minutesCISIA's current official list is broader than what most summaries cover — plant biology and animal anatomy/physiology are a full part of this section. The five nuclei below reflect the complete scope defined on CISIA's official syllabus page.
01. Biological Molecules
- Water biological properties; hydrophilic and hydrophobic molecules
- Carbohydrates
- Lipids
- Proteins
- Nucleic acids
- Macromolecular organization levels (monomers, polymers, structural hierarchies)
02. Cell Biology
- Prokaryotic vs. eukaryotic cell differences
- Eukaryotic cell structural and functional characteristics
- Cellular components: plasma membrane, nucleus, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, mitochondria, cytoskeleton
- Plant cell specific features: cell wall, chloroplasts, plastids, vacuoles
03. Cell Cycle, Cell Division, Inheritance
- Genome characteristics in prokaryotes and eukaryotes
- DNA and RNA genetic information coding
- Replication, transcription, translation — general characteristics
- Cell cycle phases
- Cell division in prokaryotes and eukaryotes; mitosis and meiosis
- Mendelian inheritance principles
04. Elements of Plant Biology and Ecology
This nucleus is explicit in the current official syllabus and gets less coverage in some summaries — it's presented here in full.
- Plant anatomy and structural features: roots, stems, leaves, flowers, fruits, seeds
- Photosynthesis and energy flows
- Ecosystem structure and food chains
- Biotic interactions: competition, predation, parasitism, mutualism, commensalism
05. Elements of Animal Anatomy and Physiology
This is also a full part of the official syllabus — lighter treatment in summary sources doesn't mean it's out of scope.
- Tissue types: epithelial, connective, muscular, nervous
- Musculoskeletal system
- Digestive, respiratory, circulatory, excretory, and nervous systems
CEnT-S Chemistry Syllabus
10 questions · 20 minutesChemistry has one of the broadest official topic lists on CEnT-S. To keep it readable, topics are grouped by CISIA's own official nucleus headings rather than one long list.
01. Macroscopic Properties of Matter
- Particle model of matter; states and physical changes
- Chemical transformations
- Gas, liquid, solid macroscopic properties
- Homogeneous and heterogeneous mixtures; separation methods
- Fundamental chemistry laws (Lavoisier, Proust, Gay-Lussac, Avogadro)
02. Microscopic Properties and Substance Composition
- Atomic structure and components
- Lewis structures (electron dot model)
- Chemical formulas; compounds and ions; atomic and molecular mass
- Chemical bond types: ionic, covalent, metallic; bond polarity
- Intermolecular forces and hydrogen bonding
- Molecular geometry (VSEPR theory) and hybridization
03. Periodic Trends and Atomic Structure
- Periodic table structure: periods and groups
- Atomic models and quantum numbers
- Isotopes
- Periodic trends: electronegativity, atomic radius, ionization energy
- Electron configurations: Aufbau principle, Pauli exclusion principle
04. Chemical Reactions and Stoichiometry
- Chemical equation writing, reading, and balancing
- Mole concept and Avogadro's constant
- Mass-to-mole conversions
- Limiting reactant and theoretical yield
- Mole and mass relationships in reactions
- Concentration units and related calculations
05. Thermodynamics and Kinetics
- Ideal gas laws and partial pressures
- Internal energy, enthalpy, entropy, Gibbs free energy
- Endothermic and exothermic reactions
- Dynamic chemical equilibrium; equilibrium constants
- Activation energy, catalysis, reaction rate dependence
06. Compounds and Solutions
- Inorganic compound nomenclature (IUPAC and traditional)
- Electrolytes, non-electrolytes, and solubility
- Solution properties: conductivity and colligative properties
- Metal chemical properties
07. Acids and Bases
- Acid and base identification and properties
- Acid-base reaction writing and equilibria management
- Acid and base strength; pH calculation and indicators
- Neutralization reactions and salt formation
- Salt solution pH; buffer solutions
08. Oxidation and Reduction (Redox)
- Redox reaction identification and balancing
- Oxidation state calculation
- Oxidant and reductant identification
- Redox potential scale
- Atomic valence
09. Organic Chemistry
- Carbon hybridization and compound structure
- Combustion reactions
- Isomerism and structure-property relationships
- Nomenclature and properties: alkanes, alkenes, alkynes, cycloalkanes, benzene, aromatic compounds, alcohols, aldehydes, ketones, ethers, esters, carboxylic acids
10. Applied Chemistry
This nucleus is explicit in the current official syllabus and is sometimes skipped in summary sources — it's listed here in full.
- Measurement, units, and experimental data uncertainties
- Daily life chemical transformations
- Commercial product label reading
- Environmental issues: acid rain, greenhouse effect, smog
- Chemical safety regulations
CEnT-S Physics Syllabus
5 questions · 10 minutesPhysics has only 5 questions, but don't read topic-list length as a signal of exam probability — CISIA does not publish subtopic weights.
01. Physical Quantities and Measurement
- Fundamental and derived physical quantities
- SI units and everyday unit conversions
- Multiples/submultiples prefixes; scientific notation
- Graphical representations: proportionality, linear, quadratic, inverse-square, sinusoidal, exponential, logarithmic dependencies
- Vector operations: sum, difference, scalar and vector products in 3D
02. Point Particle Kinematics
The Galilean transformation is an explicit part of the current official syllabus and is easy to miss in shorter summaries.
- Motion description: position, trajectory, displacement, velocity, acceleration
- Time concepts: instant and interval
- Frequency and period
- Uniform linear motion and uniformly accelerated motion
- Position, velocity, acceleration graphs
- Free-falling motion
- Uniform circular motion: period, frequency, linear and angular velocity, centripetal acceleration
- Galilean transformation between inertial reference frames
03. Point Particle Dynamics, Energy and Work
- Principle of inertia
- Force concept and Newton's Second Law
- Normal forces, gravitational force, string tension
- Work concept, power, kinetic energy, work-energy principle
- Gravitational potential energy
- Mechanical energy conservation principle
04. Fluid Mechanics and Thermodynamics
Bernoulli's principle is an explicit part of the current official syllabus and is easy to miss in shorter summaries.
- Fluid description quantities: density, pressure, atmospheric pressure
- Hydrostatics laws: Pascal's Law, Stevin's Law, Archimedes' principle
- Fluid dynamics: pipeline flow, continuity law for ideal fluids, Bernoulli's principle
- Ideal gas concept and state variables (P, V, T)
- Kelvin and Celsius thermometric scales
- Ideal gas law (equation of state)
- Heat as energy exchange; thermodynamic work definition
- First law of thermodynamics
- Second law of thermodynamics — qualitative aspects
05. Electromagnetism Principles
- Electrostatic interactions between point charges; Coulomb's Law
- Electric field concept; single and multiple point charges; uniform electric fields
- Electrical material behavior: insulators and conductors
- Electric current as charge motion; current intensity, resistance
- Ohm's first law
- Permanent magnet interactions
- Magnetic field concept and field line representation
- Wave types (light and sound)
- Wave characteristics: amplitude, frequency, wavelength, propagation velocity relationships
- Electromagnetic spectrum
How Much Time Is Allocated to Each Section?
| Mathematics | 15 questions — 30 min |
|---|---|
| Reasoning on Texts and Data | 15 questions — 30 min |
| Biology | 10 questions — 20 min |
| Chemistry | 10 questions — 20 min |
| Physics | 5 questions — 10 min |
| TOTAL | 55 questions — 110 min |
Source: CISIA, CEnT-S Structure and Syllabus.
Each section has its own strict, system-tracked time limit. When a section's time runs out, the system automatically moves you to the next one, and once you close a section you cannot go back to it. For a full walkthrough of the exam flow and locking mechanism, see What is CEnT-S?.
What We Officially Don't Know About CEnT-S Topics
CISIA officially publishes, for CEnT-S:
- The exam sections
- The number of questions per section
- The time allocated per section
- The official syllabus nuclei and topics
What CISIA does not currently publish:
- Fixed question counts for each syllabus subtopic
- Official percentage weighting for every individual topic
- Guarantees such as "this topic always appears"
- An official ranking of "most important topics"
How to Study the CEnT-S Syllabus
This section is kept brief, since a dedicated, step-by-step preparation guide will be published separately. A general syllabus-based approach:
- Turn the official topic list into a checklist
- Identify your strong and weak areas per section
- Pair topic learning with CEnT-S-format questions
- Practice against each section's real time limits
- Re-prioritize gaps based on your mock exam results
Knowing the syllabus is step one. Now turn it into a study plan.
CEnT-S Academy's lessons and practice system is being built to map directly onto the official syllabus.
Explore CEnT-S prepFrequently asked questions
What subjects are on the CEnT-S exam?
Five sections: Mathematics, Reasoning on Texts and Data, Biology, Chemistry and Physics.
What topics are covered in CEnT-S Mathematics?
Numbers, algebra, geometry (including analytical geometry), functions, exponentials and logarithms, combinatorics and probability, and basic statistics.
Does CEnT-S include logical reasoning?
Yes, but the official section name is “Reasoning on Texts and Data,” not just “logic.” Alongside deductive reasoning, it also covers data interpretation and mathematical problem solving — so calling it just “logic” understates what it actually tests.
What is included in the CEnT-S Biology syllabus?
Biological molecules, cell biology, cell cycle/division and inheritance, plant biology and ecology, and animal anatomy and physiology.
What is included in the CEnT-S Chemistry syllabus?
Macroscopic and microscopic properties of matter, periodic trends, chemical reactions and stoichiometry, thermodynamics and kinetics, compounds and solutions, acids and bases, redox, organic chemistry, and applied chemistry.
What is included in the CEnT-S Physics syllabus?
Physical quantities and measurement, kinematics, dynamics/energy/work, fluid mechanics and thermodynamics, and electromagnetism principles.
Does the CEnT-S syllabus change every year?
CISIA maintains the current syllabus on its own portal and announces structural or organizational changes through its own annual update process. This page reflects the current official syllabus; we don't speculate about future changes.
Does every CEnT-S test include every syllabus topic?
No, we can't claim that. CISIA defines the overall syllabus scope but does not guarantee that every individual subtopic appears in every test form.
Are CEnT-S topics weighted equally?
Section-level question counts are official (Mathematics 15, Biology 10, and so on). A fixed subtopic-level weighting is not published by CISIA.
Sources and Updates
- CISIA — CEnT-S Structure and Syllabus
- CISIA Guide — Syllabus
- CISIA — All About CEnT
- CISIA — CEnT Rules
- CISIA — CEnT FAQs
Sources last checked: 13 August 2026. The official CEnT-S syllabus can be updated by CISIA; this guide is maintained against the current official syllabus.
Related Guides
- What Is CEnT-S?
- CEnT-S Exam FormatComing soon
- CEnT-S Scoring and NormalizationComing soon
- CEnT-S Test Centres
- How to Prepare for CEnT-S
- CEnT-S Question Bank
- CEnT-S Mock Exam
- CEnT-S Exam Dates
For admissions, applications and the general exam structure, see our CEnT-S Guide.
Written by: CEnT-S Academy Editorial Team
Last updated: 13 August 2026