# CBSE Class 11 Biology: Chapters and Notes | SwaVid

All 19 NCERT Class 11 Biology chapters in book order, CBSE unit marks out of 70, and free chapter notes with key ideas and quick checks.

Canonical: https://www.swavid.com/cbse/class-11/biology/chapters

Source: https://www.swavid.com/cbse/class-11/biology/chapters

# Class 11 Biology

## Marks for each unit

## All 19 chapters

## Questions parents ask

## Class 11 Biology on SwaVid

SwaVid › CBSE › Class 11 › Biology

All 19 NCERT chapters , CBSE unit marks and free chapter notes.

CBSE prints marks for each unit. It does not print marks for chapters inside a unit. The unit for each chapter follows the unit headings in the NCERT contents. Digestion and Absorption is in the CBSE syllabus but assessed only formatively (CBSE reading material).

Short answer. Class 11 Biology has 19 NCERT chapters in one book . The CBSE theory paper is 70 marks and 3 hours , with 30 marks for the practical .

CBSE prints marks for each unit. It does not print marks for chapters inside a unit. The unit for each chapter follows the unit headings in the NCERT contents. Digestion and Absorption is in the CBSE syllabus but assessed only formatively (CBSE reading material).

Source: CBSE Curriculum 2026-27, Biology (044), Classes XI-XII , p.3

The NCERT Class 11 Biology chapters, in book order. Tap a chapter for its notes.

Source: NCERT textbooks, Reprint 2026-27, at ncert.nic.in

The notes are written by SwaVid from the NCERT textbook. They are not CBSE material.

The NCERT books list 19 chapters for Class 11 Biology that this page covers. NCERT Biology has 19.

CBSE does not give marks to a single chapter. It prints marks for each unit or part, for example 15 marks for Unit I: Diversity of Living Organisms.

No. They are written by SwaVid from the NCERT textbook. The CBSE curriculum is the reference for what is assessed.

SwaVid is an AI tutor for Indian students in Classes 6 to 12. It finds the earlier ideas a child missed, then teaches today’s chapter. Start free to see how it works.

- 19 chapters
- 70 marks theory
- 30 practical

## Key Links

- [CBSE](https://www.swavid.com/cbse)
- [Class 11](https://www.swavid.com/cbse/class-11)
- [Biology](https://www.swavid.com/cbse/class-11/biology)
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- [CBSE Curriculum 2026-27, Biology (044), Classes XI-XII](https://cbseacademic.nic.in/web_material/CurriculumMain27/SecPart2/Biology_SecP2_2026-27.pdf)
- [The Living World](https://www.swavid.com/cbse/class-11/biology/chapter/the-living-world)
- [Biological Classification](https://www.swavid.com/cbse/class-11/biology/chapter/biological-classification)
- [Plant Kingdom](https://www.swavid.com/cbse/class-11/biology/chapter/plant-kingdom)
- [Animal Kingdom](https://www.swavid.com/cbse/class-11/biology/chapter/animal-kingdom)
- [Morphology of Flowering Plants](https://www.swavid.com/cbse/class-11/biology/chapter/morphology-of-flowering-plants)
- [Anatomy of Flowering Plants](https://www.swavid.com/cbse/class-11/biology/chapter/anatomy-of-flowering-plants)
- [Cell: The Unit of Life](https://www.swavid.com/cbse/class-11/biology/chapter/cell-the-unit-of-life)
- [Biomolecules](https://www.swavid.com/cbse/class-11/biology/chapter/biomolecules)
- [Cell Cycle and Cell Division](https://www.swavid.com/cbse/class-11/biology/chapter/cell-cycle-and-cell-division)
- [Photosynthesis in Higher Plants](https://www.swavid.com/cbse/class-11/biology/chapter/photosynthesis-in-higher-plants)
- [Respiration in Plants](https://www.swavid.com/cbse/class-11/biology/chapter/respiration-in-plants)
- [Plant Growth and Development](https://www.swavid.com/cbse/class-11/biology/chapter/plant-growth-and-development)
- [Breathing and Exchange of Gases](https://www.swavid.com/cbse/class-11/biology/chapter/breathing-and-exchange-of-gases)
- [Body Fluids and Circulation](https://www.swavid.com/cbse/class-11/biology/chapter/body-fluids-and-circulation)
- [Excretory Products and their Elimination](https://www.swavid.com/cbse/class-11/biology/chapter/excretory-products-and-their-elimination)
- [Locomotion and Movement](https://www.swavid.com/cbse/class-11/biology/chapter/locomotion-and-movement)
- [Neural Control and Coordination](https://www.swavid.com/cbse/class-11/biology/chapter/neural-control-and-coordination)
- [Chemical Coordination and Integration](https://www.swavid.com/cbse/class-11/biology/chapter/chemical-coordination-and-integration)
- [ncert.nic.in](https://ncert.nic.in/textbook.php)
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