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Download Biology Notes For Class 11 in Hindi and English Medium for exam preparation. you can download all chapter wise notes from here. we have provided PDF file for each chapter’s handwritten notes for class 11th. These are the best Handwritten Revision Notes for Class XI.
Biology Notes For Class 11 are prepared as per the syllabus of Class XI. So you will get all the topics for Class 11th Biology. Notes are prepared with step by step explanation of each topic having multiple shortcut techniques that help to solve the various numerical problems related to the chapters.
Best Recommended Books for Biology Class 11th on Amazon
| Name of Book | Publication | Book Link |
|---|---|---|
| NEET Class Notes of Complete Biology (Set of 6 Volumes) | Career Point Publication | Download PDF/ Check Book on Amazon |
| Std 11 Precise Biology Notes Book | FYJC Biology Guide | Quick Review and MCQs by Target Publications | Download PDF/ Check Book on Amazon |
| biology notes class 11 | Mohammad Belal Khan | Download PDF/ Check Book on Amazon |
| Handbook of Biology (Most Recommended) | Arihant Publications₹267.00 | Download PDF/ Check Book on Amazon |
All the important topics of Biology Notes For Class 11 are explained with diagrams and charts so that students can easily memorize the crucial terms of the chapters, Given Biology Notes For Class 11 Handwritten Notes are accurate and maintain a proper standard as per our knowledge. it makes them one of the best Handwritten Notes available online.
1. Download Biology Notes For Class 11 in Hindi
- Chapter 01:Plant morphology
- Chapter 02: Plant Anatomy
- Chapter 03:ANIMAL DIVERSITY-I
- Chapter 04: ANIMAL TISSUE
- Chapter 05: DIGESTIVE SYSTEM
- Chapter 06: EMBRYOLOGY
- Chapter 07: ENDOCRINE SYSTEM
- Chapter 08: NERVOUS SYSTEM
- Chapter 09: ORIGIN AND EVOLUTION OF LIFE
- Chapter: 10: MUTATION
- Chapter 11: REPRODUCTIVE SYSTEM
- Chapter 12:CIRCULATORY SYSTEM
- Chapter 13:GENETICS
2. Download Biology Notes For Class 11 in English
- Chapter 1: Respiratory,
- Chapter 2: Circulatory System,
- Chapter 3: Cardiac Cycle
- Chapter 4: Skeletal System,
- Chapter 5: Human Excretory System,
- Chapter 6: Digestive System,
- Chapter 7: Frog
- Chapter 8: Tissue
- Chapter 9: Animal Diversity
- Chapter 10: Animal Husbandry,
- Chapter 11: Pollution
- Chapter 12: B2iomolecules,
- Chapter 13: Re3spiration,
- Chapter 14: Plant growth
- Chapter 15: Biotechnology
- Chapter 16: Cell Biology Notes
- Chapter 17: Cockroach
- Chapter 18: Endocrine System
- Chapter 19: Genetics
- Chapter 20: Plant Anatomy
- Chapter 21: Reproduction in Plant
- Chapter 22: Remaining Biology
Must Check these best Books on Amazon
Exam Structure for Class 11 Biology
Before downloading Biology Notes For Class 11, you should know about exam pattern. This is Exam Structure for Class 11 biology
- Unit 1. Diversity of Living Organisms: 07 Marks
- Unit 2. Structural Organisation in Plants & Animals: 12 Marks
- Unit 3. Cell: Structure and Function: 15 Marks
- Unit 4. Plant Physiology: 18 Marks
- Unit 5. Human Physiology: 18 Marks
Biology Class 11 Syllabus
Unit I: Diversity of Living Organism
Chapter-1: The Living World
- What is living?
- Biodiversity and its conservation
- Need for classification
- Animal and Plant Classification
- Three domains of life
- Taxonomy and systematics
- Concept of species and taxonomical hierarchy
- Binomial nomenclature of classification
- Tools for the study of taxonomy
- Museums
- Zoological parks
- Herbaria
- Botanical gardens
Chapter-2: Biological Classification
- Five kingdom classification of Whittaker
- Salient features and classification of Monera
- Salient features and classification of Protista
- Salient features and classification of Fungi
- Major Biological groups: Lichens, Viruses and Viroids.
Chapter-3: Plant Kingdom
- Salient features and classification of Algae,
- Salient features and classification of Bryophyta,
- Salient features and classification of Pteridophyta,
- Salient features and classification of Gymnospermae
- Salient features and classification of Angiospermae
- Classification up to the class of Angiosperms
- Characteristic features and examples of Angiosperms
Chapter- 4: Animal Kingdom
- Salient features and classification of animals non-chordates up to phyla level
- salient features and classification of animals chordates up to class level
Unit 2: Structural Organisation in Animals and Plants
Chapter-5: Morphology of Flowering Plants
- Morphology of Tissues and
- Tissues modifications
Chapter-6: Anatomy of Flowering Plants
- Anatomy and functions of the root
- Anatomy and functions of the stem
- Anatomy and functions of the leaf
- Anatomy and functions of inflorescence
- Anatomy and functions of flower
- Anatomy and functions of fruit
- Anatomy and functions of seed
Chapter-7: Structural Organisation in Animals
- Morphology & anatomy of Animal tissues
- Morphology & anatomy and functions of the digestive
- Morphology & anatomy circulatory
- Morphology & anatomy respiratory
- Morphology & anatomy nervous
- Morphology & anatomy reproductive
Unit 3: Cell Structure and Function
Chapter-8: Cell-The Unit of Life
- Cell theory and cell as the basic unit of life
- Structure of prokaryotic and eukaryotic cells
- structure and function of Plant cell and animal cell
- Difference between Plant cell and animal cell
- structure and function of the cell envelope
- structure and function of the cell membrane
- structure and function of the cell wall
- structure and function of the endomembrane system
- structure and function of endoplasmic reticulum
- structure and function of Golgi bodies
- structure and function of lysosomes
- structure and function of vacuoles
- structure and function of mitochondria
- structure and function of ribosomes
- structure and function of plastids
- structure and function of microbodies
- structure and function of the cytoskeleton
- structure and function of cilia
- structure and function of flagella
- structure and function of centrioles
- ultrastructure and function of the nucleus
- ultrastructure and function of the nuclear membrane
- ultrastructure and function of chromatin
- ultrastructure and function of the nucleolus
Chapter-9: Biomolecules
- Chemical constituents of living cells
- biomolecules and importance
- structure and function of proteins
- structure and function of carbohydrates
- structure and function of lipids
- structure and function of nucleic acids
- structure and function of enzymes
- types & properties of enzyme action
Chapter-10: Cell Cycle and Cell Division
- Cell cycle and importance
- Study of mitosis, meiosis
- Difference between mitosis and meiosis
- Significance of mitosis, meiosis
Unit 4: Plant Physiology
Chapter-11: Transport in Plants
- Transport in plants
- Movement of water
- Movement of gases
- Movement of nutrients
- cell to cell transport
- Diffusion and its Importance
- facilitated diffusion
- active transport
- plant-water relations
- Imbibition and its Importance
- water potential
- osmosis and its Importance
- plasmolysis and its Importance
- Absorption and its Importance
- apoplast and its Importance
- symplast and its Importance
- transpiration pull
- root pressure
- guttation and its Importance
- transpiration and its Importance
- opening and closing of stomata
- Uptake and translocation of mineral nutrients
- Transport of food,
- phloem transport,
- mass flow hypothesis
- diffusion of gases
Chapter-12: Mineral Nutrition
- Essential minerals,
- macro- and micronutrients and their role;
- deficiency symptoms
- mineral toxicity and its Importance
- elementary idea of hydroponics as a method to study mineral nutrition;
- nitrogen metabolism
- nitrogen cycle and its Importance
- biological nitrogen fixation.
Chapter-13: Photosynthesis in Higher Plants
- Photosynthesis as a mean of autotrophic nutrition;
- site of photosynthesis
- pigments involved in photosynthesis (elementary idea);
- photochemical and biosynthetic phases of photosynthesis;
- cyclic and non-cyclic photophosphorylation;
- chemiosmotic hypothesis;
- photorespiration and its Importance
- C3 and C4 pathways and its Importance
- factors affecting photosynthesis.
Chapter-14: Respiration in Plants
- Exchange of gases;
- cellular respiration – glycolysis, fermentation (anaerobic),
- TCA cycle and electron transport system (aerobic);
- energy relations – number of ATP molecules generated;
- amphibolic pathways;
- respiratory quotient.
Chapter-15: Plant – Growth and Development
- Seed germination and its Importance
- phases of plant growth and plant growth rate;
- conditions of growth
- differentiation and its Importance
- dedifferentiation and redifferentiation;
- the sequence of developmental processes in a plant cell;
- growth regulators – auxin, gibberellin, cytokinin, ethylene, ABA;
- seed dormancy and its Importance
- vernalisation and its Importance
- photoperiodism and its Importance
Unit 5: Human Physiology
Chapter-16: Digestion and Absorption
- Alimentary canal and digestive glands
- Role of digestive enzymes and gastrointestinal hormones
- Peristalsis, digestion, absorption and assimilation of proteins,
- Peristalsis, digestion, absorption and assimilation of carbohydrates
- Peristalsis, digestion, absorption and assimilation of fats
- calorific values of proteins
- calorific values of carbohydrates
- calorific values of fats
- egestion; nutritional and digestive disorders –
- PEM, indigestion, constipation, vomiting, jaundice, diarrhoea.
Chapter-17: Breating and Exchange of Gases
- Respiratory organs in animals
- Respiratory system in humans;
- mechanism of breathing and its regulation in humans
- exchange of gases and its Importance
- transport of gases and its Importance
- regulation of respiration and its Importance
- respiratory volume and its Importance
- disorders related to respiration – asthma, emphysema, occupational respiratory disorders.
Chapter-18: Body Fluids and Circulation
- Composition of the blood,
- blood groups
- coagulation of blood
- composition of lymph and its function
- human circulatory system
- Structure of the human heart and blood vessels;
- cardiac cycle
- cardiac output
- ECG
- double circulation and its Importance
- regulation of cardiac activity;
- disorders of the circulatory system – hypertension, coronary artery disease, angina pectoris, heart failure.
Chapter-19: Excretory Products and Their Elimination
- Modes of excretion
- Ammonotelism
- Ureotelism
- uricotelism
- Difference between ammonotelism, ureotelism and uricotelism
- human excretory system – structure and function;
- Urine formation,
- Osmoregulation and its importance
- regulation of kidney function –
- renin-angiotensin,
- atrial natriuretic factor,
- ADH and diabetes insipidus;
- Role of other organs in excretion;
- disorders – uraemia, renal failure, renal calculi, nephritis; dialysis and artificial kidney.
Chapter-20: Locomotion and Movement
- Types of movement – ciliary, flagellar, muscular
- skeletal muscle-contractile proteins
- muscle contraction and its importance
- skeletal system and its functions
- joints and its types
- disorders of the muscular and skeletal system – myasthenia gravis, tetany, muscular dystrophy, arthritis, osteoporosis, gout
Chapter-21: Neural Control and Coordination
- Neuron and nerves
- The nervous system in humans –
- the central nervous system (CNS) and its importance
- the peripheral nervous system (PNS) and its importance
- and visceral nervous system
- generation and conduction of nerve impulse;
- reflex action
- sensory perception
- sense organs and its importance
- elementary structure and functions of eye and ear.
Chapter-22: Chemical Coordination and Integration
- Endocrine glands and hormones and its importance
- human endocrine system – hypothalamus, pituitary, pineal, thyroid, parathyroid, adrenal, pancreas, gonads and its importance
- mechanism of hormone action (elementary Idea)
- role of hormones as messengers and regulators, hypo – and hyperactivity
- disorders; dwarfism, acromegaly, cretinism, goitre, exophthalmic goitre, diabetes, Addison’s disease.
What is the Exam Pattern for Class 11 biology
This is Exam Structure for Class 11 biology
Unit 1. Diversity of Living Organisms: 07 Marks
Unit 1. Structural Organisation in Plants & Animals: 12 Marks
Unit 3. Cell: Structure and Function: 15 Marks
Unit 4. Plant Physiology: 18 Marks
Unit 5. Human Physiology: 18 Marks
Unit 1. Diversity of Living Organisms: 07 Marks
Unit 1. Structural Organisation in Plants & Animals: 12 Marks
Unit 3. Cell: Structure and Function: 15 Marks
Unit 4. Plant Physiology: 18 Marks
Unit 5. Human Physiology: 18 Marks
What is CBSE class 11 biology question paper pattern?
Total Time to Solve Question Paper: 180 Minutes (3 Hours)
Total No of Questions: 70 Questions
Unit Wise Marks Allotment:
1. Diversity in the living world: 07 Marks
2. Structural organization in animals and plants: 12 Marks
3. Cell: Structure and function: 15 Marks
4. Plant physiology: 18 Marks
5. Human Physiology: 18 Marks
Total No of Questions: 70 Questions
Unit Wise Marks Allotment:
1. Diversity in the living world: 07 Marks
2. Structural organization in animals and plants: 12 Marks
3. Cell: Structure and function: 15 Marks
4. Plant physiology: 18 Marks
5. Human Physiology: 18 Marks
What are the important topics in CBSE class XI biology?
According to my experience, these are some very important topics
1. Biodiversity and Conservation
2. Biological Classification
3. binomial nomenclature
4. Five kingdom classification
5. Salient features and classification of Fungi
6. Lichens, Viruses and Viroids.
7. Salient features and classification of Algae, Bryophyta, Pteridophyta, Gymnospermae, Angiospermae
8. Morphology of Plant Tissues and modifications
9. Anatomy and functions of the root, stem and leaf
10. Types of Fruits
11. Root Modification
12. Digestion and Respiratory System
13. Cell Structure and functions
14. Cell organelles
15. Properties of Enzymes
16. Cell cycles
17. Imbibition,
18. water potential,
19. osmosis,
20. plasmolysis;
21. Absorption,
22. guttation;
23. transpiration,
24. opening and closing of stomata
25. macro- and micronutrients
26. C3 and C4 pathways;
27. factors affecting photosynthesis
28. cellular respiration – glycolysis, fermentation (anaerobic),
29. TCA cycle and electron transport system (aerobic);
30. growth regulators – auxin, gibberellin, cytokinin, ethylene, ABA;
31. seed dormancy;
32. vernalisation;
33. photoperiodism.
34. Composition of the blood,
35. blood groups,
36. coagulation of blood;
37. regulation of kidney function
38. sense organs
39. Neurons
40. Exons
41. Endocrine glands and hormones
42. Exocrine Glands
1. Biodiversity and Conservation
2. Biological Classification
3. binomial nomenclature
4. Five kingdom classification
5. Salient features and classification of Fungi
6. Lichens, Viruses and Viroids.
7. Salient features and classification of Algae, Bryophyta, Pteridophyta, Gymnospermae, Angiospermae
8. Morphology of Plant Tissues and modifications
9. Anatomy and functions of the root, stem and leaf
10. Types of Fruits
11. Root Modification
12. Digestion and Respiratory System
13. Cell Structure and functions
14. Cell organelles
15. Properties of Enzymes
16. Cell cycles
17. Imbibition,
18. water potential,
19. osmosis,
20. plasmolysis;
21. Absorption,
22. guttation;
23. transpiration,
24. opening and closing of stomata
25. macro- and micronutrients
26. C3 and C4 pathways;
27. factors affecting photosynthesis
28. cellular respiration – glycolysis, fermentation (anaerobic),
29. TCA cycle and electron transport system (aerobic);
30. growth regulators – auxin, gibberellin, cytokinin, ethylene, ABA;
31. seed dormancy;
32. vernalisation;
33. photoperiodism.
34. Composition of the blood,
35. blood groups,
36. coagulation of blood;
37. regulation of kidney function
38. sense organs
39. Neurons
40. Exons
41. Endocrine glands and hormones
42. Exocrine Glands
What are the best reference books for Biology class 11?
Here we have chosen the best books for class 11 Biology. These will be helpful for you to score maximum marks. you can check Latest price on Amazon. If you like any book, add to cart that book otherwise you will be forgotten.
Hindi Medium Books
1. NCERT Class- 11 And 12 Biology ( Jeev Vigyan )Textbook ( Set Of 2 Original Books )
2. Jeev Vigyan class 11 (Ncert Based)
3. Biology MCQs in Hindi Medium (Jeev Vigyan) Based on Previous Papers for NET-JRF/ PGT/TGT/TET/Teaching Exams: Mock time Publication
English Medium Books
1. All In One BIOLOGY CBSE class 11 2019-20 (Old Edition)
2. Trueman’s Elementary Biology, Volume – 2 for Class 12 (Examination 2020-2021)
3. Dinesh Companion Biology Vol.I, Vol.II Class-XI, (Session-2020-19, Covers Latest CBSE, ISC Syllabus)
Hindi Medium Books
1. NCERT Class- 11 And 12 Biology ( Jeev Vigyan )Textbook ( Set Of 2 Original Books )
2. Jeev Vigyan class 11 (Ncert Based)
3. Biology MCQs in Hindi Medium (Jeev Vigyan) Based on Previous Papers for NET-JRF/ PGT/TGT/TET/Teaching Exams: Mock time Publication
English Medium Books
1. All In One BIOLOGY CBSE class 11 2019-20 (Old Edition)
2. Trueman’s Elementary Biology, Volume – 2 for Class 12 (Examination 2020-2021)
3. Dinesh Companion Biology Vol.I, Vol.II Class-XI, (Session-2020-19, Covers Latest CBSE, ISC Syllabus)
How to study for class 11th biology
These are Some Common Practices to prepare good Quality Notes
1. Read complete chapter carefully then Select the important topics from chapters one by one to read again.
2. Make your own notes and Summarized single chapter within one page including all important topics
3. Must read all important topics again and again.
4. Try to Keep in mind all the important dates, terms, formula, topics and statements of the chapter.
5. Try to Solve the mock tests and previous year papers with and without answers.
6. Go through the syllabus again and check which topic is left to read.
7. Solve the mock tests and old papers with and without answers
1. Read complete chapter carefully then Select the important topics from chapters one by one to read again.
2. Make your own notes and Summarized single chapter within one page including all important topics
3. Must read all important topics again and again.
4. Try to Keep in mind all the important dates, terms, formula, topics and statements of the chapter.
5. Try to Solve the mock tests and previous year papers with and without answers.
6. Go through the syllabus again and check which topic is left to read.
7. Solve the mock tests and old papers with and without answers
How to complete full biology of class 11 in 2 days
This is not possible if you have not studied for the whole year. you should have your notes which are created dring study in the whole year. you can revise your own notes to complete full biology of class 11 in 2 days.
Is class 12 biology easier than class 11?
No, but yes because in 11th class your basics is not clear so you feel biology tough but when you are in class 12th you feel it easy.
How to study class 11 and 12 biology successfully
Make your own notes and Summarized single chapter within one page including all important topics. read all topics again and again. this method helps me a lot.
Some helpful resources for Class 11 Biology Students
1. Quora Spaces Class 11 Biology
2. Best Blog websites Class 11 Biology
3. Best Youtube Channels Class 11 Biology
4. Official Websites
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