Biology Notes For Class 11 in Hindi and English PDF

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

1. Download Biology Notes For Class 11 in English — 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

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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.

Some FAQs related asked by Class 11 Biology Students

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

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

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

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)

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

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

UnacademyNeet

Vedantu Biotonic

Etoos Education

4. Official Websites

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