Kerala Plus Two Deleted Portions for Board Exam consists of various excluded topics from subjects under Science, Commerce and Arts. The updated syllabus will be released by the Directorate of Higher Secondary Education (DHSE), Kerala. Check here Kerala Plus Two Deleted Portions for Board Exam 2025-26!
Table of Contents
The DHSE Board has not officially disclosed any reduction in the syllabus or curriculum for the 2025-26 academic year. However, students can go through the DHSE Plus Two deleted portions in the exams of the previous academic year and prepare for the exam according to the updated syllabus.
The deleted portions in the Kerala Plus Two syllabus consist of various topics excluded by the Directorate of Higher Secondary Education (DHSE). The topics consist of chapters such as Accounting for Not-for-Profit Organisation, Theme 12 Colonial Cities, Semiconductor Electronics: Material Devices and Simple Circuits, and many others from various subjects such as Mathematics, History, Physics, Biology, History, Business Studies, Accountancy, etc.
Students must acknowledge the new syllabus for their Kerala Plus Two exams 2026 and ace their preparations. Candidates appearing for the upcoming board exam can check here the detailed Kerala Plus Two deleted portions and detailed syllabus below.
Subject-Wise Kerala Plus Two Deleted Portions
Certain chapters are omitted from the Kerala Plus Two syllabus 2026. Candidates can find the plus two deleted portions Kerala syllabus 2025-26 for all subjects given below.
Kerala Plus Two Deleted Portions from Mathematics
Candidates can find the Kerala Plus Two deleted portions 2026 for mathematics below.
| Chapters | Page Number | Kerala Plus Two deleted portions 2026 Form Mathematics |
|---|---|---|
| Part 1 | ||
| Chapter 1: Relations and Functions | 12-13–14, 15, 16–25, 26, 27–28, 29–31, 31–32 | 1.4 Composition of Functions and Invertible Function (up to ‘This leads to the following definition’) Full Pages Examples 24 and 25 Full Pages Ques. 12 and 13 Examples 45 and 49 Ques. 1–3, 6–7, 9, 11–14, 18–19 Summary Points 11–13 and 15–19 |
| Chapter 2: Inverse Trigonometric Functions | 42–44, 45–47, 47–48, 49–51, 51–52-53 | 2.3 Properties of Inverse Trigonometric Functions (Except sinsin 1 x x,x 1,1 sin 1sin x x,x , 2 2) Examples 4, 7 and 8 Alternative Solution of Example 5 Ques. 3, 4, 6, 12, 14, 15, Examples 10, 11, 12, 13 Ques. 8, 12, 17(Miscellaneous Exercise) Summary Points 8–13 |
| Chapter 3: Matrices | 90–92–97-98, 100–101-102 | 3.7 Elementary Operations (Transformation) of a Matrix 3.8.1 Inverse of Matrices by Elementary Operations (Retain Ques. 18 of Exercise 3.4) Example 26 Ques. 1–3 and 12 (Miscellaneous Exercise) Third Last Point of Summary |
| Chapter 4: Determinants | 109–121, 137–143 | 4.3 Properties of Determinants Miscellaneous Examples 30–32 and 34 Ques. 2, 4–6, 11–15 and 17(Miscellaneous Exercise) Summary Points 4–11 |
| Chapter 5: Continuity and Differentiability | 165–166, 168, 184–186, 186–187, 192–193 | Examples 22 and 23 Example 27 5.8 Mean Value Theorem Exercise 5.8 and Miscellaneous Example 44(ii) Ques. 19 (Miscellaneous Exercise) and Summary points 5 (derivatives of cot–1 x, sec–1 x, cosec–1 x), 7 and 8 |
| Chapter 6: Application of Derivatives | 206–216, 236–238, 242–244, 245 | 6.4 Tangents and Normals 6.5 Approximations Examples 45, 46 Ques. 1, 4–5 and 20–24(Miscellaneous Exercise) Points 4–10 in the Summary |
| Part 2 | ||
| Chapter 7:Integrals | 290–291, 291–292, 298–299, 613–616, 331–334, 352–354, 355 | Points (xi)–(xiii) in the List of Derivatives 7.2.1 Geometrical Interpretation of Indefinite Integral 7.2.3 Comparison between Differentiation and Integration 7.6.3 Type of Integral 7.7.1 Definite Integral as the Limit of a Sum Ques. 19, 32, 40, and 44 Point 2 in the Summary (xiv) and (xv) in Some standard Integrals |
| Chapter 8: Application of Integrals | 363–365, 366, 366–372, 373–376, 377 | 8.2.1 The Area of the Region Bounded by a Curve and a Line Ques.3 and 6–11 in exercise 8.1 8.3 Area between Two Curves Examples 11, 13, and 14 Ques. 2–3, 6–7, 8–15, 18– 19 (Miscellaneous Exercise) Last Two Points of the Summary |
| Chapter 9: Differential Equations | 385–391 | 9.4 Formation of Differential Equations whose General Solution is Given |
| Chapter 10: Vector Algebra | 616–619, 619–622 | 10.7 Scalar Triple Product 10.7.1 Coplanarity of Three Vectors |
| Chapter 11: Three-Dimensional Geometry | 465, 469–471, 477–478, 479–497, 497–499, 500–501, 502–503 | 11.2.1 Relation between the Direction Cosines of a Line 11.3.2 Equation of a Line Passing through Two Given Points Ques. 8–9 (Exercise 11.2) Plane Coplanarity of Two Lines Angle between Two Planes Distance of a Point from a Line Angle between a Line and a Plane Ques. 1, 2, 5, 7–8, 10–19, 21–23 (Miscellaneous Exercise) Summary Points 13, 20–24 Full Pages |
| Chapter 12: Linear Programming | 514–527, 528–529 | 12.3 Different Types of Linear Programming Problems Summary Points 2–9 |
| Chapter 13: Probability | 557–558, 558–559, 559–564, 565–571, 572–578, 579–581, 583, 585–586 |
Random Variables and Its Probability Distributions |
Kerala Plus Two Deleted Portions from Biology
Candidates can find the plus two deleted portions Kerala syllabus 2025-26 from the biology subject given below.
| Chapters | Page Number | Kerala Plus Two deleted portions 2026 form Biology |
|---|---|---|
| Chapter 1: Reproduction in Organisms | 3–18 | Full Chapter |
| Chapter 9: Strategies for Enhancement in Food Production | 165–176, 178 | Full Chapter |
| Chapter 13: Organisms and Populations | 220, 221–222, 223–225, 225–226 |
13.1 Organism and Its Environment |
| Chapter 14: Ecosystem | 250–252, 253–254, 254–255, 255 | 14.6 Ecological Succession 14.6. 1 Succession of Plants Nutrient Cycling Ecosystem –Carbon Cycle Ecosystem –Phosphorus Cycle 14.8 Ecosystem Services |
| Chapter 16: Environmental Issues | 270–286 | Full Chapter |
Kerala Plus Two Deleted Portions from Chemistry
Students can go through the Kerala Plus Two deleted portions from the chemistry syllabus given below.
| Chapters | Page Number | Kerala Plus Two deleted portions 2026 from Chemistry |
|---|---|---|
| Part 1 | ||
| Unit 1: The Solid State | 1–34 | Full Chapter |
| Unit 5: Surface Chemistry | 123–148 | Full Chapter |
| Unit 6: General Principles and Processes of Isolation of Elements | 149–169 | Full Chapter |
| Unit 7: The p-Block Elements | 170–214 | Full Chapter |
| Part 2 | ||
| Unit 15: Polymers | 433–446 | Full Chapter |
| Unit 16: Chemistry in Everyday Life | 447–463 | Full Chapter |
Kerala Plus Two Deleted Portions from Physics
Students can check the deleted portions from the Kerala Plus Two physics syllabus provided below.
| Chapters | Page Number | Kerala Plus Two deleted portions 2026 form Physics |
|---|---|---|
| Part 1 | ||
| Chapter 1: Electric Charges and Fields |
2 -7, 47–50 |
Electric Charge (delete only activity with paper strips and making electroscope) Conductors and Insulators (delete only the concept of earthing) Charging by Induction Exercises 1.13, 1.25–1.34 |
| Chapter 2: Electrostatic Potential and Capacitance | 81, 87–92 | 2.15 Energy Stored in a Capacitor (delete only derivation) Exercises 2.12 to 2.36 |
| Chapter 3: Current Electricity | 102–103, 107–109, 112–113, 120–124, 127–131 | 3.7 Resistivity of Various Materials (delete Tables 3.1 and 3.2 and Carbon resistors, Colour code for carbon resistor) 3.10 Combinations of Resistors – Series and Parallel Example 3.5 Meter Bridge Potentiometer Exercises 3.3, 3.4, 3.10, 3.12, 3.14–3.23 |
| Chapter 4: Moving Charges and Magnetism | 135, 140–142, 152–153, 162–163, 170–172 | Table 4.1 4.4.1 Velocity Selector 4.4.2 Cyclotron 4.8.2 The Toroid 4.10.3 The Magnetic Dipole Moment of a Revolving Electron Exercises 4.14–4.28 |
| Chapter 5: Magnetism and Matter | 176–179, 180, 185–189, 191, 194–196, 200–203 | 5.2.2 Bar Magnet as an Equivalent Solenoid (delete only mathematical treatment) 5.2.3 The Dipole in a Uniform Magnetic Field (delete only mathematical treatment) Example 5.4 Earth’s Magnetism 5.41. Magnetic Declination and Dip Table 5.25.6.2 Paramagnetism (delete only Curie’s Law) 5.6.3 Ferromagnetism (delete only Curie’s temperature; and Hysteresis) 5.7 Permanent Magnets and Electromagnets Exercises 5.1, 5.2, 5.9–5.11, 5.13–5.25 |
| Chapter 6: Electromagnetic Induction | 215–219, 230–232 | Energy Consideration: A Quantitative Study Eddy Currents Exercises 6.6, 6.10–6.17 |
| Chapter 7: Alternating Current | 240, 243, 246–247, 249–251, 255–259, 266–268 |
Figure 7.7 Magnetisation and Demagnetisation of an Inductor Figure |
| Chapter 8: Electromagnetic Waves | 273–274, 276–278, 279–280, 287 | Example 8.1 8.3.2 Nature of Electromagnetic Waves (delete only about page 277) Examples 8.4 and 8.5 Exercises 8.11–8.15 |
| Part 2 | ||
| Chapter 9: Ray Optics and Optical Instruments | 318, 321–322, 332–335, 346 | 9.3 Refraction (delete only advanced sunrise and delayed sunset) 9.4.1(i) Mirage (ii) Diamond Some Natural Phenomena Due to Sunlight The Rainbow Scattering of Light Exercise 9.18 |
| Chapter 10: Wave Optics | 358–359, 359, 363–367, 368–371, 372–376, 379–381, 383–385 | 10.3.4 Doppler Effect Example 10.1 10.5 Interference of light Waves and Young’s Experiment (retain the final expressions for dark and bright fringes but delete the derivation; delete expression for fringe width) 10.6 Diffraction (retain only qualitative treatment) 10.6.3 Resolving Power of Optical Instruments 10.6.4 Validity of Ray Optics 10.7.1 Polarisation by Scattering 10.7.2 Polarisation by Reflection Exercises 10.7–10.21 |
| Chapter 11: Dual Nature Of Radiation and Matter | 388, 397, 400–404, 407–413 | Table 11.1 Example 11.3 11.8 Wave Nature of Matter(delete only derivation for de Broglie wavelength of accelerated electron; and Heisenberg’s uncertainty principle) 11.9 Davisson and Germer ExperimentAppendix 11.1 The History of Wave-Particle Flip-Flop Exercises 11.5, 11.7, 11.12 - 11.14, 11.16, 11.17, 11.19 –11.37 |
| Chapter 12: Atoms | 421–422, 424–426, 429, 430, 436–437 | 12.3.1 Spectral Series 12.4 Bohr Model of the Hydrogen Atom (retain only the expression for radius of nth possible orbit but delete its derivation) 12.5 The Line Spectra of the Hydrogen Atom (retain only qualitative treatment) Example 12.6 Exercises 12.3, 12.11–12.17 |
| Chapter 13: Nuclei | 446–451, 452–455, 462–466 | 13.6.1 Law of Radioactive Decay 13.6.2 Alpha Decay 13.6.3 Beta Decay 13.6.4 Gamma Decay 13.7.2 Nuclear Reactor Exercises 13.1, 13.2, 13.6–13.10, 13.12–13.14,13.18, 13.22–13.31 |
| Chapter 14: Semiconductor Electronics: Material Devices and Simple Circuits | 485–495, 497–499 |
14.8 Special Purpose p-n junction Diodes |
Also Read: Kerala Plus Two Previous Year Question Paper
Kerala Plus Two Deleted Portions from Business Studies
Students can find the removed topics and chapters from the Kerala Plus Two Business Studies syllabus given below.
| Chapters | Page Number | Kerala Plus Two deleted portions 2026 from Business Studies |
|---|---|---|
| Part 1 | ||
| Chapter 3: Business Environment | 87–88, 91–92 | Impact of Government Policy Changes on Business and Industry, with Special Reference to Adoption of the Policies of Liberalisation, Privatisation and Globalisation |
| Chapter 7: Directing | 188–190, 204 | Qualities of a Good Leader |
| Chapter 8: Controlling | 214–221, 223 | Techniques of Controlling |
| Part 2 | ||
| Chapter 10: Financial Market | 252–275 | Full Chapter |
Kerala Plus Two Deleted Portions from Accountancy
The deleted portions from the Kerala Plus Two accountancy syllabus are given below.
| Chapters | Page Number | Kerala Plus Two deleted portions 2026 from Accountancy |
|---|---|---|
| Chapter 1: Accounting for Not-for-Profit Organisation | 1–60 | Full Chapter |
Kerala Plus Two Deleted Portions from History
Candidates can find the omitted portions from the Kerala Plus Two History syllabus in the table below.
| Chapters | Kerala Plus Two deleted portions 2026 from History |
|---|---|
| Theme 3 Kinship, Caste, and Class | Social Difference within and Beyond the Framework of Caste Beyond Birth Resources and Status Explaining Social Difference a Social Control |
| Theme 5 Through the Eyes of Travelers | Full chapter |
| Theme 8 Peasants, Zamindars, and the State | Full chapter |
| Theme 10 Colonialism and Countryside | Full chapter |
| Theme 12 Colonial Cities | Full chapter |
| Theme 14 Understanding Partition | The Withdrawal of Law and Order Regional Variations Oral Testimonies and History |
| Theme 15 Framing the Constitution | Full chapter |
Kerala Plus Two Deleted Portions PDF 2026
Candidates must prepare by referring to the exam pattern and the Kerala Plus Two exam syllabus. The syllabus must be prepared as per the official PDF, then review the Kerala Plus Two date sheet 2026. Candidates can go through the Kerala Plus Two deleted portions PDF mentioned below.
| Particulars | Details |
| Kerala Plus Two deleted portions 2026 PDF Link | Download Here |
Along with the syllabus, the Kerala Plus Two exam pattern 2026 will acquaint the students with the Plus Two total marks for each subject, exam duration, total questions, and question type. It will help students in Kerala Plus Two exam preparation and get good scores in Kerala Plus Two results. It will also help students understand the critical topics and study well during their preparations.
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