AHSEC HS 1st Year Science Syllabus 2026-27: Subject-wise Topics

The Science stream in Class 11 includes core subjects such as Mathematics, Physics, Chemistry, and Biology, along with language subjects. The syllabus gives you a clear idea of the chapters and topics covered during the academic session.

You should go through the syllabus before starting your preparation. It can help you divide the subjects into smaller study targets and plan your revision according to the topics included.

The Assam board class 11th science syllabus 2027 covers concepts from Mathematics, Physics, Chemistry, Biology, Assamese, and English. The subject-wise topics are given below.

AHSEC HS 1st Year Science Mathematics Syllabus 2026-27

The Mathematics syllabus covers algebra, trigonometry, coordinate geometry, calculus, statistics, and probability. You should understand the basic concepts and practise questions regularly.

The topics include:

• Sets

• Relation and Functions

• Trigonometry

• Complex Numbers

• Linear Inequalities

• Permutation and Combination

• Binomial Theorem

• Sequences and Series

• Straight Lines

• Conic Sections

• 3D

• Limits and Derivatives

• Statistics

• Probability

AHSEC HS 1st Year Science Physics Syllabus 2026-27

Physics covers topics related to motion, mechanics, gravitation, properties of matter, thermodynamics, oscillations, and waves. Regular numerical practice can help you apply the concepts covered in each chapter.

The topics include:

• Motion 1D

• Motion in a Plane

• Laws of Motion

• Work, Energy & Power

• Center of Mass

• Rotation

• Gravitation

• Solids

• Fluids

• Thermal Properties

• Kinetic Theory of Gas & Thermodynamics

• Oscillations

• Waves

AHSEC HS 1st Year Science Chemistry Syllabus 2026-27

Chemistry includes fundamental concepts, atomic structure, periodicity, chemical bonding, thermodynamics, equilibrium, redox reactions, and basic organic chemistry. Focus on understanding concepts along with regular question practice.

The topics include:

• Some Basic Concepts of Chemistry

• Structure of Atom

• Classification & Periodicity

• Chemical Bonding

• Thermodynamics

• Equilibrium

• Redox Reactions

• Organic Chemistry Basic Principles and Techniques

• Hydrocarbons

AHSEC HS 1st Year Science Biology Syllabus 2026-27

Biology covers topics from cell biology, plant physiology, human physiology, classification, and structural organisation. You should study diagrams and important biological terms along with the concepts.

The topics include:

• Cell: The Unit of Life

• Cell Cycle and Cell Division

• Breathing and Exchange of Gases

• The Living World

• Biological Classification

• Plant Kingdom

• Animal Kingdom

• Morphology of Flowering Plant

• Anatomy of Flowering Plants

• Photosynthesis in Higher Plants

• Respiration in Plants

• Plant Growth and Development

• Excretory Products and Their Elimination

• Locomotion and Movement

• Neural Control and Coordination

• Chemical Coordination and Integration

• Structural Organisation in Animals

• Body Fluids and Circulation

• Biomolecules

AHSEC HS 1st Year Science Assamese Syllabus 2026-27

Assamese is one of the language subjects included in the Science stream. The syllabus includes prose, poetry, essays, and other prescribed literary works.

The topics include:

• ধনৰ ব্যৱহাৰ

• অসমত মহাত্মা গান্ধীৰ পোন প্রথম পদার্পণ

• গৌৰৱ

• কিতাপৰ কথা

• গিবন

• কেম্ব্রিজৰ শিক্ষা ব্যবস্থা আৰু শিক্ষানুষ্ঠান

• অসমৰ পুৰণি খেল-ধেমালি

• এভাৰেষ্টৰ সপোন আৰু বিভীষিকা

• বিয়াৰ প্রেজেন্ট

• ৰাৱণক বিভীষণৰ সজ উপদেশ

• বৰগীত: জয় জয় যাদব জলনিধিজা

• ধনবৰ আৰু ৰতনী

• বনকুঁৱৰী

• লাচিত ফুকন

• ৰাজপথ

• এখন চিঠি

• কুশল কোঁৱৰ

AHSEC HS 1st Year Science English Syllabus 2026-27

The English syllabus includes literature, grammar, writing, and reading comprehension. You should prepare each section separately to cover the prescribed topics.

English Literature

The literature section includes:

• The Portrait of a Lady

• A Photograph

• The Voice of the Rain

• Ranga’s Marriage

• Albert Einstein at School

• Childhood

• Landscape of the Soul

• Father to Son

• My Impressions of Assam

• The Ailing Planet: The Green Movement’s Role

English Grammar

The grammar section covers:

• Determiners

• Modals

• Tenses – Present

• Error Correction

• Tenses – Past

• Clauses

• Tenses – Future

• Reordering of Sentence

• Transformation of Sentences

• Voice – Part 1

• Voice – Part 2

• Narration

• Degrees of Comparison

• Types of Sentences

English Writing

The writing section includes:

• Factual Description of Any Event or Incident

• Article

• Note Making

• Dialogue Completion

• Speech

• Letter Writing

• Job Application

• Advertisement Writing

Reading

The reading section includes:

• Reading Comprehension

How to Download Assam AHSEC HS 1st Year Science Syllabus 2026-27 PDF

You can download the syllabus and keep a copy for your preparation. Follow these steps:

1. Visit the official Assam Higher Secondary Education website.

2. Look for the syllabus or academic resources section.

3. Select the HS 1st Year syllabus.

4. Choose the Science stream.

5. Select the required subject.

6. Open the syllabus PDF.

7. Download and save the PDF for future reference.

Always verify that the syllabus applies to the 2026-27 academic session before starting your preparation.

How to Prepare Using AHSEC HS 1st Year Science Syllabus 2026-27

You can use the syllabus as a checklist while preparing for your Class 11 examinations.

• Make a Study Plan: Divide the chapters across your available study time and set weekly targets for each subject.

• Practise Numerical Subjects: Give regular practice time to Mathematics and Physics. Revise formulas and solve questions after completing each topic.

• Focus on Chemistry Concepts: Study chemical concepts carefully and practise equations, reactions, and related questions regularly.

• Revise Biology Regularly: Read the chapters carefully and revise important terms, processes, and diagrams to improve retention.

• Prepare Language Subjects: Read the prescribed Assamese and English lessons and practise grammar and writing formats regularly.

• Track Your Progress: Mark chapters after completing them and revisit topics that need more practice before examinations.

The AHSEC Class 11 Science Syllabus can help you organise your preparation and revision throughout the academic session. You should also refer to the applicable official syllabus for any changes or updates.