---
type: "Subject"
knowledge_type: "subject"
entity_type: "subject"
id: "66ab5c44543b6f461d7a9cff"
title: "Class 11 - Biology"
board: "CBSE"
curriculum: "CBSE"
class_id: "66ab5807ffbb5019db72215c"
class: "Class 11"
class_name: "Class 11"
class_slug: "class-11"
class_canonical_url: "https://www.edzy.ai/cbse-class-11"
class_markdown_url: "https://www.edzy.ai/okf/class/cbse-class-11.md"
subject: "Biology"
subject_slug: "biology"
canonical_url: "https://www.edzy.ai/cbse-class-11-biology"
markdown_url: "https://www.edzy.ai/okf/subject/cbse-class-11-biology.md"
source_type: "examSubject"
source_id: "66ab5c44543b6f461d7a9cff"
source: "Edzy"
book_count: "1"
chapter_count: "19"
topic_count: "118"
version: "1"
last_updated: "2026-06-25"
svg_icon: "https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/9668276b-69ee-4a7a-8641-521d7f9231df.svg"
color_name: "Spring Green"
color_light_foreground: "#85B96C"
color_light_background: "#E1FFD3"
color_dark_foreground: "#85B96C"
color_dark_background: "#394A31"
---

# Class 11 - Biology

Biology is a CBSE Class 11 subject on Edzy.

## Knowledge Snapshot

| Field | Details |
| :--- | :--- |
| Board | CBSE |
| Curriculum | CBSE |
| Class | Class 11 |
| Subject | Biology |
| Subject Slug | biology |
| Book Count | 1 |
| Chapter Count | 19 |
| Topic Count | 118 |
| Last Updated | 2026-06-25 |

---

## OKF Hierarchy

| Level | Title | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- |
| Class | Class 11 | https://www.edzy.ai/cbse-class-11 | https://www.edzy.ai/okf/class/cbse-class-11.md |
| Subject | Biology | https://www.edzy.ai/cbse-class-11-biology | https://www.edzy.ai/okf/subject/cbse-class-11-biology.md |

---

## Book Index

Use every book from the supplied book list.

| No. | Book ID | Book | Book Slug | Chapters | Topics | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | 66ae541b191fdf5766655c35 | Biology | biology | 19 | 118 | https://www.edzy.ai/cbse-class-11-biology-book | https://www.edzy.ai/okf/book/cbse-class-11-biology-book.md |

---

## Book-Wise Chapter Index

### Biology

| No. | Chapter ID | Chapter | Chapter Number In Book | Pages | Page Count | Topics | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | 66f1453d0821118bf5c5e2b2 | The Living World | 1 | 3-9 | 7 | 3 | https://www.edzy.ai/cbse-class-11-biology-the-living-world | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-the-living-world.md |
| 2 | 66f145500821118bf5c5e2df | Biological Classification | 2 | 10-22 | 13 | 6 | https://www.edzy.ai/cbse-class-11-biology-biological-classification | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-biological-classification.md |
| 3 | 66f145600821118bf5c5e30b | Plant Kingdom | 3 | 23-36 | 14 | 5 | https://www.edzy.ai/cbse-class-11-biology-plant-kingdom | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-plant-kingdom.md |
| 4 | 66f1456e0821118bf5c5e337 | Animal Kingdom | 4 | 38-54 | 17 | 8 | https://www.edzy.ai/cbse-class-11-biology-animal-kingdom | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-animal-kingdom.md |
| 5 | 66f1457e0821118bf5c5e363 | Morphology of Flowering Plants | 5 | 57-70 | 14 | 8 | https://www.edzy.ai/cbse-class-11-biology-morphology-of-flowering-plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-morphology-of-flowering-plants.md |
| 6 | 66f145890821118bf5c5e390 | Anatomy of Flowering Plants | 6 | 71-78 | 8 | 6 | https://www.edzy.ai/cbse-class-11-biology-anatomy-of-flowering-plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-anatomy-of-flowering-plants.md |
| 7 | 66f145940821118bf5c5e3bc | Structural Organisation in Animals | 7 | 79-84 | 6 | 6 | https://www.edzy.ai/cbse-class-11-biology-structural-organisation-in-animals | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-structural-organisation-in-animals.md |
| 8 | 66f145a20821118bf5c5e3e8 | Cell : The Unit of Life | 8 | 87-103 | 17 | 6 | https://www.edzy.ai/cbse-class-11-biology-cell-the-unit-of-life | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-cell-the-unit-of-life.md |
| 9 | 66f145af0821118bf5c5e414 | Biomolecules | 9 | 104-119 | 16 | 8 | https://www.edzy.ai/cbse-class-11-biology-biomolecules | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-biomolecules.md |
| 10 | 66f145c20821118bf5c5e441 | Cell Cycle and Cell Division | 10 | 120-130 | 11 | 5 | https://www.edzy.ai/cbse-class-11-biology-cell-cycle-and-cell-division | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-cell-cycle-and-cell-division.md |
| 11 | 66f145eb0821118bf5c5e520 | Photosynthesis in Higher Plants | 11 | 133-152 | 20 | 10 | https://www.edzy.ai/cbse-class-11-biology-photosynthesis-in-higher-plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-photosynthesis-in-higher-plants.md |
| 12 | 66f146070821118bf5c5e575 | Respiration in Plants | 12 | 153-165 | 13 | 7 | https://www.edzy.ai/cbse-class-11-biology-respiration-in-plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-respiration-in-plants.md |
| 13 | 66f1462b0821118bf5c5e5a1 | Plant Growth and Development | 13 | 166-180 | 15 | 4 | https://www.edzy.ai/cbse-class-11-biology-plant-growth-and-development | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-plant-growth-and-development.md |
| 14 | 66f1463c0821118bf5c5e5e0 | Breathing and Exchange of Gases | 14 | 183-192 | 10 | 6 | https://www.edzy.ai/cbse-class-11-biology-breathing-and-exchange-of-gases | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-breathing-and-exchange-of-gases.md |
| 15 | 66f146470821118bf5c5e60c | Body Fluids and Circulation | 15 | 193-204 | 12 | 6 | https://www.edzy.ai/cbse-class-11-biology-body-fluids-and-circulation | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-body-fluids-and-circulation.md |
| 16 | 66f146520821118bf5c5e638 | Excretory Products and their Elimination | 16 | 205-216 | 12 | 8 | https://www.edzy.ai/cbse-class-11-biology-excretory-products-and-their-elimination | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-excretory-products-and-their-elimination.md |
| 17 | 66f1465c0821118bf5c5e664 | Locomotion and Movement | 17 | 217-229 | 13 | 5 | https://www.edzy.ai/cbse-class-11-biology-locomotion-and-movement | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-locomotion-and-movement.md |
| 18 | 66f146660821118bf5c5e690 | Neural Control and Coordination | 18 | 230-238 | 9 | 4 | https://www.edzy.ai/cbse-class-11-biology-neural-control-and-coordination | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-neural-control-and-coordination.md |
| 19 | 66f146700821118bf5c5e6bc | Chemical Coordination and Integration | 19 | 239-250 | 12 | 4 | https://www.edzy.ai/cbse-class-11-biology-chemical-coordination-and-integration | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-chemical-coordination-and-integration.md |

---

## Chapter Index

Use every chapter from the supplied chapter list.

| No. | Book ID | Chapter ID | Chapter | Chapter Number In Book | Pages | Page Count | Topics | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | 66ae541b191fdf5766655c35 | 66f1453d0821118bf5c5e2b2 | The Living World | 1 | 3-9 | 7 | 3 | https://www.edzy.ai/cbse-class-11-biology-the-living-world | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-the-living-world.md |
| 2 | 66ae541b191fdf5766655c35 | 66f145500821118bf5c5e2df | Biological Classification | 2 | 10-22 | 13 | 6 | https://www.edzy.ai/cbse-class-11-biology-biological-classification | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-biological-classification.md |
| 3 | 66ae541b191fdf5766655c35 | 66f145600821118bf5c5e30b | Plant Kingdom | 3 | 23-36 | 14 | 5 | https://www.edzy.ai/cbse-class-11-biology-plant-kingdom | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-plant-kingdom.md |
| 4 | 66ae541b191fdf5766655c35 | 66f1456e0821118bf5c5e337 | Animal Kingdom | 4 | 38-54 | 17 | 8 | https://www.edzy.ai/cbse-class-11-biology-animal-kingdom | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-animal-kingdom.md |
| 5 | 66ae541b191fdf5766655c35 | 66f1457e0821118bf5c5e363 | Morphology of Flowering Plants | 5 | 57-70 | 14 | 8 | https://www.edzy.ai/cbse-class-11-biology-morphology-of-flowering-plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-morphology-of-flowering-plants.md |
| 6 | 66ae541b191fdf5766655c35 | 66f145890821118bf5c5e390 | Anatomy of Flowering Plants | 6 | 71-78 | 8 | 6 | https://www.edzy.ai/cbse-class-11-biology-anatomy-of-flowering-plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-anatomy-of-flowering-plants.md |
| 7 | 66ae541b191fdf5766655c35 | 66f145940821118bf5c5e3bc | Structural Organisation in Animals | 7 | 79-84 | 6 | 6 | https://www.edzy.ai/cbse-class-11-biology-structural-organisation-in-animals | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-structural-organisation-in-animals.md |
| 8 | 66ae541b191fdf5766655c35 | 66f145a20821118bf5c5e3e8 | Cell : The Unit of Life | 8 | 87-103 | 17 | 6 | https://www.edzy.ai/cbse-class-11-biology-cell-the-unit-of-life | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-cell-the-unit-of-life.md |
| 9 | 66ae541b191fdf5766655c35 | 66f145af0821118bf5c5e414 | Biomolecules | 9 | 104-119 | 16 | 8 | https://www.edzy.ai/cbse-class-11-biology-biomolecules | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-biomolecules.md |
| 10 | 66ae541b191fdf5766655c35 | 66f145c20821118bf5c5e441 | Cell Cycle and Cell Division | 10 | 120-130 | 11 | 5 | https://www.edzy.ai/cbse-class-11-biology-cell-cycle-and-cell-division | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-cell-cycle-and-cell-division.md |
| 11 | 66ae541b191fdf5766655c35 | 66f145eb0821118bf5c5e520 | Photosynthesis in Higher Plants | 11 | 133-152 | 20 | 10 | https://www.edzy.ai/cbse-class-11-biology-photosynthesis-in-higher-plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-photosynthesis-in-higher-plants.md |
| 12 | 66ae541b191fdf5766655c35 | 66f146070821118bf5c5e575 | Respiration in Plants | 12 | 153-165 | 13 | 7 | https://www.edzy.ai/cbse-class-11-biology-respiration-in-plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-respiration-in-plants.md |
| 13 | 66ae541b191fdf5766655c35 | 66f1462b0821118bf5c5e5a1 | Plant Growth and Development | 13 | 166-180 | 15 | 4 | https://www.edzy.ai/cbse-class-11-biology-plant-growth-and-development | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-plant-growth-and-development.md |
| 14 | 66ae541b191fdf5766655c35 | 66f1463c0821118bf5c5e5e0 | Breathing and Exchange of Gases | 14 | 183-192 | 10 | 6 | https://www.edzy.ai/cbse-class-11-biology-breathing-and-exchange-of-gases | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-breathing-and-exchange-of-gases.md |
| 15 | 66ae541b191fdf5766655c35 | 66f146470821118bf5c5e60c | Body Fluids and Circulation | 15 | 193-204 | 12 | 6 | https://www.edzy.ai/cbse-class-11-biology-body-fluids-and-circulation | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-body-fluids-and-circulation.md |
| 16 | 66ae541b191fdf5766655c35 | 66f146520821118bf5c5e638 | Excretory Products and their Elimination | 16 | 205-216 | 12 | 8 | https://www.edzy.ai/cbse-class-11-biology-excretory-products-and-their-elimination | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-excretory-products-and-their-elimination.md |
| 17 | 66ae541b191fdf5766655c35 | 66f1465c0821118bf5c5e664 | Locomotion and Movement | 17 | 217-229 | 13 | 5 | https://www.edzy.ai/cbse-class-11-biology-locomotion-and-movement | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-locomotion-and-movement.md |
| 18 | 66ae541b191fdf5766655c35 | 66f146660821118bf5c5e690 | Neural Control and Coordination | 18 | 230-238 | 9 | 4 | https://www.edzy.ai/cbse-class-11-biology-neural-control-and-coordination | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-neural-control-and-coordination.md |
| 19 | 66ae541b191fdf5766655c35 | 66f146700821118bf5c5e6bc | Chemical Coordination and Integration | 19 | 239-250 | 12 | 4 | https://www.edzy.ai/cbse-class-11-biology-chemical-coordination-and-integration | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-chemical-coordination-and-integration.md |

---

## Topic Inventory

Use every topic from the supplied topic list.

| No. | Topic ID | Topic |
| :--- | :--- | :--- |
| 1 | 69abcd30a243cecf968558d9 | Diversity in the Living World |
| 2 | 69abcd30a243cecf968558db | Diversity in the Living World |
| 3 | 69abcd30a243cecf968558dd | Taxonomic Categories |
| 4 | 69abcdaba243cecf96857626 | Kingdom Monera |
| 5 | 69abcdaba243cecf96857628 | Kingdom Protista |
| 6 | 69abcdaba243cecf9685762a | Kingdom Fungi |
| 7 | 69abcdaba243cecf9685762c | Kingdom Plantae |
| 8 | 69abcdaba243cecf9685762e | Kingdom Animalia |
| 9 | 69abcdaba243cecf96857630 | Viruses, Viroids, Prions and Lichens |
| 10 | 69abcd68a243cecf96856538 | Algae |
| 11 | 69abcd68a243cecf9685653a | Bryophytes |
| 12 | 69abcd68a243cecf9685653c | Pteridophytes |
| 13 | 69abcd68a243cecf9685653e | Gymnosperms |
| 14 | 69abcd68a243cecf96856540 | Angiosperms |
| 15 | 69c2223c9db8f9e79593881e | Basis of Classification |
| 16 | 69c2223c9db8f9e795938822 | Levels of Organisation |
| 17 | 69c2223c9db8f9e795938826 | Symmetry |
| 18 | 69c2223c9db8f9e79593882a | Diploblastic and Triploblastic Organisation |
| 19 | 69c2223c9db8f9e79593882e | Coelom |
| 20 | 69c2223c9db8f9e795938832 | Segmentation |
| 21 | 69c2223c9db8f9e795938836 | Notochord |
| 22 | 69c2223c9db8f9e79593883a | Classification of Animals |
| 23 | 69abcdf1a243cecf9685856f | The Root |
| 24 | 69abcdf1a243cecf96858571 | The Stem |
| 25 | 69abcdf1a243cecf96858573 | The Leaf |
| 26 | 69abcdf1a243cecf96858575 | The Inflorescence |
| 27 | 69abcdf1a243cecf96858577 | The Flower |
| 28 | 69abcdf1a243cecf96858579 | The Fruit |
| 29 | 69abcdf1a243cecf9685857b | The Seed |
| 30 | 69abcdf1a243cecf9685857d | Semi-technical Description of a Typical Flowering Plant |
| 31 | 69c2220a9db8f9e795936c51 | The Tissue System |
| 32 | 69c2220a9db8f9e795936c55 | Epidermal Tissue System |
| 33 | 69c2220a9db8f9e795936c59 | The Ground Tissue System |
| 34 | 69c2220a9db8f9e795936c5d | The Vascular Tissue System |
| 35 | 69c2220a9db8f9e795936c61 | Anatomy of Dicotyledonous and Monocotyledonous Plants |
| 36 | 69c2220a9db8f9e795936c65 | Dicotyledonous Root |
| 37 | 69c2220a9db8f9e795936c69 | Monocotyledonous Root |
| 38 | 69c2220a9db8f9e795936c6d | Dicotyledonous Stem |
| 39 | 69c222709db8f9e79593a4bf | Organ and Organ System |
| 40 | 69c222709db8f9e79593a4c3 | Frogs |
| 41 | 69c222709db8f9e79593a4c7 | Morphology |
| 42 | 69c222709db8f9e79593a4cb | Anatomy |
| 43 | 69c222709db8f9e79593a4cf | Digestive System |
| 44 | 69c222709db8f9e79593a4d3 | Circulatory System |
| 45 | 69c222709db8f9e79593a4d7 | Nervous System |
| 46 | 69abce1da243cecf96858fc2 | Introduction to Cells |
| 47 | 69abce1da243cecf96858fc4 | Types of Cells |
| 48 | 69abce1da243cecf96858fc6 | Cell Structure |
| 49 | 69abce1da243cecf96858fc8 | Cell Division |
| 50 | 69abce1da243cecf96858fca | Cell Metabolism |
| 51 | 69abce1da243cecf96858fcc | Cell Communication |
| 52 | 69abce57a243cecf96859b89 | How to Analyse Chemical Composition? |
| 53 | 69abce57a243cecf96859b8c | Primary and Secondary Metabolites |
| 54 | 69abce57a243cecf96859b8f | Biomacromolecules |
| 55 | 69abce57a243cecf96859b91 | Proteins |
| 56 | 69abce57a243cecf96859b93 | Polysaccharides |
| 57 | 69abce57a243cecf96859b95 | Nucleic Acids |
| 58 | 69abce57a243cecf96859b97 | Structure of Proteins |
| 59 | 69abce57a243cecf96859b99 | Enzymes |
| 60 | 69abce6da243cecf9685a109 | Cell Cycle |
| 61 | 69abce6da243cecf9685a10b | M Phase |
| 62 | 69abce6da243cecf9685a10d | Significance of Mitosis |
| 63 | 69abce6da243cecf9685a10f | Meiosis |
| 64 | 69abce6da243cecf9685a111 | Significance of Meiosis |
| 65 | 69abce91a243cecf9685a960 | What do we know? |
| 66 | 69abce91a243cecf9685a972 | Factors affecting Photosynthesis |
| 67 | 69abce91a243cecf9685a962 | Early Experiments |
| 68 | 69abce91a243cecf9685a964 | Where does Photosynthesis take place? |
| 69 | 69abce91a243cecf9685a966 | How many Pigments are involved in Photosynthesis? |
| 70 | 69abce91a243cecf9685a968 | What is Light Reaction? |
| 71 | 69abce91a243cecf9685a96a | The Electron Transport |
| 72 | 69abce91a243cecf9685a96c | Where are the ATP and NADPH Used? |
| 73 | 69abce91a243cecf9685a96e | The C4 Pathway |
| 74 | 69abce91a243cecf9685a970 | Photorespiration |
| 75 | 69abce90a243cecf9685a939 | Do Plants Breathe? |
| 76 | 69abce90a243cecf9685a93b | Glycolysis |
| 77 | 69abce90a243cecf9685a93d | Fermentation |
| 78 | 69abce90a243cecf9685a93f | Aerobic Respiration |
| 79 | 69abce90a243cecf9685a941 | The Respiratory Balance Sheet |
| 80 | 69abce90a243cecf9685a943 | Amphibolic Pathway |
| 81 | 69abce90a243cecf9685a945 | Respiratory Quotient |
| 82 | 69abcee5a243cecf9685be14 | Growth |
| 83 | 69abcee5a243cecf9685be16 | Differentiation, Dedifferentiation and Redifferentiation |
| 84 | 69abcee5a243cecf9685be18 | Development |
| 85 | 69abcee5a243cecf9685be1a | Plant Growth Regulators |
| 86 | 69abced2a243cecf9685bad4 | Respiratory Organs |
| 87 | 69abced2a243cecf9685bad6 | Mechanism of Breathing |
| 88 | 69abced2a243cecf9685bad8 | Exchange of Gases |
| 89 | 69abced2a243cecf9685bada | Transport of Gases |
| 90 | 69abced2a243cecf9685badc | Regulation of Respiration |
| 91 | 69abced2a243cecf9685bade | Disorders of Respiratory System |
| 92 | 69abcf18a243cecf9685c964 | Blood |
| 93 | 69abcf18a243cecf9685c966 | Lymph (Tissue Fluid) |
| 94 | 69abcf18a243cecf9685c968 | Circulatory Pathways |
| 95 | 69abcf18a243cecf9685c96a | Double Circulation |
| 96 | 69abcf18a243cecf9685c96c | Regulation of Cardiac Activity |
| 97 | 69abcf18a243cecf9685c96e | Disorders of Circulatory System |
| 98 | 69abcf50a243cecf9685da13 | Human Excretory System |
| 99 | 69abcf50a243cecf9685da15 | Urine Formation |
| 100 | 69abcf50a243cecf9685da17 | Function of the Tubules |
| 101 | 69abcf50a243cecf9685da19 | Mechanism of Concentration of the Filtrate |
| 102 | 69abcf50a243cecf9685da1b | Regulation of Kidney Function |
| 103 | 69abcf50a243cecf9685da1d | Micturition |
| 104 | 69abcf50a243cecf9685da1f | Role of other Organs in Excretion |
| 105 | 69abcf50a243cecf9685da21 | Disorders of the Excretory System |
| 106 | 69abcf10a243cecf9685c7cc | Types of Movement |
| 107 | 69abcf10a243cecf9685c7ce | Muscle |
| 108 | 69abcf10a243cecf9685c7d0 | Skeletal System |
| 109 | 69abcf10a243cecf9685c7d2 | Joints |
| 110 | 69abcf10a243cecf9685c7d4 | Disorders of Muscular and Skeletal System |
| 111 | 69abcf5ea243cecf9685dd1c | Neural System |
| 112 | 69abcf5ea243cecf9685dd1e | Human Neural System |
| 113 | 69abcf5ea243cecf9685dd20 | Neuron as Structural and Functional Unit of Neural System |
| 114 | 69abcf5ea243cecf9685dd22 | Central Neural System |
| 115 | 69abcf90a243cecf9685eb49 | ENDOCRINE GLANDS AND HORMONES |
| 116 | 69abcf90a243cecf9685eb4b | HUMAN ENDOCRINE SYSTEM |
| 117 | 69abcf90a243cecf9685eb4d | HORMONES OF HEART, KIDNEY AND GASTROINTESTINAL TRACT |
| 118 | 69abcf90a243cecf9685eb4f | MECHANISM OF HORMONE ACTION |

---

## Related OKF Entities

| Entity Type | Title | Markdown URL |
| :--- | :--- | :--- |
| Class | Class 11 | https://www.edzy.ai/okf/class/cbse-class-11.md |
| Book | Biology | https://www.edzy.ai/okf/book/cbse-class-11-biology-book.md |
| Chapter | The Living World | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-the-living-world.md |
| Chapter | Biological Classification | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-biological-classification.md |
| Chapter | Plant Kingdom | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-plant-kingdom.md |
| Chapter | Animal Kingdom | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-animal-kingdom.md |
| Chapter | Morphology of Flowering Plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-morphology-of-flowering-plants.md |
| Chapter | Anatomy of Flowering Plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-anatomy-of-flowering-plants.md |
| Chapter | Structural Organisation in Animals | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-structural-organisation-in-animals.md |
| Chapter | Cell : The Unit of Life | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-cell-the-unit-of-life.md |
| Chapter | Biomolecules | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-biomolecules.md |
| Chapter | Cell Cycle and Cell Division | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-cell-cycle-and-cell-division.md |
| Chapter | Photosynthesis in Higher Plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-photosynthesis-in-higher-plants.md |
| Chapter | Respiration in Plants | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-respiration-in-plants.md |
| Chapter | Plant Growth and Development | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-plant-growth-and-development.md |
| Chapter | Breathing and Exchange of Gases | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-breathing-and-exchange-of-gases.md |
| Chapter | Body Fluids and Circulation | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-body-fluids-and-circulation.md |
| Chapter | Excretory Products and their Elimination | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-excretory-products-and-their-elimination.md |
| Chapter | Locomotion and Movement | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-locomotion-and-movement.md |
| Chapter | Neural Control and Coordination | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-neural-control-and-coordination.md |
| Chapter | Chemical Coordination and Integration | https://www.edzy.ai/okf/chapter/cbse-class-11-biology-chemical-coordination-and-integration.md |

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## Source Attribution

| Field | Value |
| :--- | :--- |
| Source | Edzy |
| Reference Type | examSubject |
| Reference ID | 66ab5c44543b6f461d7a9cff |
| Subject ID | 66ab5c44543b6f461d7a9cff |
| Canonical URL | https://www.edzy.ai/cbse-class-11-biology |
| Markdown URL | https://www.edzy.ai/okf/subject/cbse-class-11-biology.md |
| Last Updated | 2026-06-25 |