Class 11 Biology Notes

Key notes, short answers, NCERT solutions & MCQ tests for all 22 Class 11 Biology chapters. Redesigned, ad-free, with dark mode.

Key Notes of Biology for Class 11 — completely redesigned.

This app gives you an overview of every chapter and the important points to remember, so you can revise quickly before a test. Every chapter also has an MCQ test, so you can check what you know right after you read.

ALL 22 CHAPTERS, ORGANIZED BY UNIT Chapters are grouped the way your NCERT syllabus actually is — Diversity in the Living World, Structural Organisation, Cell: Structure & Function, Plant Physiology, and Human Physiology — so you can find and revise a unit at a glance.

NOTES BUILT FOR ACTUAL READING Notes are broken into topic-by-topic cards instead of one long wall of text, with a jump-to-topic bar so you can find what you need instantly. Adjust the text size to whatever's comfortable for you.

SHORT ANSWERS & NCERT SOLUTIONS Tap to reveal answers to short-answer questions and full NCERT textbook solutions, chapter by chapter.

MCQ TESTS WITH INSTANT FEEDBACK Practice with multiple-choice questions for every chapter. Know immediately whether you got it right, see the correct answer when you don't, track your score as you go, and review every question afterward with a full right/wrong breakdown.

DESIGNED TO BE EASY ON THE EYES A clean, modern interface with a proper dark mode — switch between Light, Dark, or Auto (follow your system setting) right from the menu. No banner ads, no interstitial ads, no clutter.

Class 11 Biology notes cover the following chapters:

1. The Living World
2. Biological Classification
3. Plant Kingdom
4. Animal Kingdom
5. Morphology of Flowering Plants
6. Anatomy of Flowering Plants
7. Structural Organisation in Animals
8. Cell
9. Biomolecules
10. Cell Cycle & Cell Division
11. Transport in Plants
12. Mineral Nutrition
13. Photosynthesis in Higher Plants
14. Respiration in Plants
15. Plant Growth & Development
16. Digestion & Absorption
17. Breathing & Exchange of Gases
18. Body Fluids & Circulation
19. Excretory Products & their Elimination
20. Locomotion & Movement
21. Neural Control & Coordination
22. Chemical Coordination & Integration

Whether you're studying for school exams, board exams, or competitive entrance tests, Biology 11 keeps your NCERT Class 11 Biology material organized and ready whenever you need it.