CBSE Class 11 Biology Syllabus 2023 For Term 1 & Term 2 | Download New Syllabus PDF

CBSE Class 11 Biology Syllabus 2023 For Term 1 & Term 2: Biology is the Most Important subject for CBSE Class 11 Board Exams, as this helps in the Preparation for NEET too. Class 11 Biology syllabus NCERT 2023 helps to know about the Important topics and Overview of the Subject. You should have a depth concept in the Class 11 BIO Syllabus 2023 For Term 1 & Term 2 to score better marks in the CBSE 11th Board exam

If you Are preparing for the Class 11 Biology Exam and in search of the latest CBSE Syllabus for Class 11 then you are in the Right Place. Here we are providing a complete guide on CBSE Class 11 Biology Syllabus 2023 For Term 1 & Term 2. You can easily check the new ncert biology class 11 changes pdf 2023 from the article below.

CBSE Class 11 Biology Syllabus 2023 For Term 1 & Term 2

Biology is an important subject for CBSE Science Stream. It is an essential subject for those students who want to pursue Medical, Biotechnology, Biomedical Engineering, etc. degrees. Y. You should have a depth concept of Class 11 and Class 11 Biology to score better marks in the various entrance exam. With a better concept of the latest syllabus, you can secure good marks.

You already know CBSE updates about CBSE Class 11 Syllabus and Exam pattern, almost every year there will be a slight change in the paper pattern and syllabus. Here you can check CBSE’s new exam pattern for Class 11 Biology and Marking Scheme

CBSE Class 11 Biology Syllabus 2023 For Term 1 & Term 2

Unit I: Diversity of Living Organisms

• Chapter-1: The Living World
  • What is living? Biodiversity; Need for classification; three domains of life; taxonomy and systematics; the concept of species and taxonomical hierarchy; binomial nomenclature; tools for the study of taxonomy-museums, zoological parks, herbaria, botanical gardens.
• Chapter-2: Biological Classification
  • Five kingdom classifications; Salient features and classification of Monera, Protista, and Fungi into major groups: Lichens, Viruses, and Viroids.
• Chapter-3: Plant Kingdom
  • Salient features and classification of plants into major groups – Algae, Bryophyta, Pteridophyta, Gymnospermae, and Angiospermae (three to five salient and distinguishing features and at least two examples of each category); Angiosperms – classification up to class, characteristic features and examples.
• Chapter-4: Animal Kingdom
  
  • Salient features and classification of animals nonchordates up to phyla level and chordates up to class level (three to five salient features and at least two examples of each category).

(No live animals or specimens should be displayed.)

Unit 2: Structural Organisation in Animals and Plants

• Chapter-5: Morphology of Flowering Plants
  • Morphology and modifications: Tissues
• Chapter-6: Anatomy of Flowering Plants
  • Anatomy and functions of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit, and seed (to be dealt with along with the relevant practical of the Practical Syllabus).
• Chapter-7: Structural Organisation in Animals
  • Animal tissues: Morphology, anatomy, and functions of different systems (digestive, circulatory, respiratory, nervous, and reproductive) of an insect (cockroach). (a brief account only)

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; Plant cell and animal cell; Cell envelope, cell membrane, cell wall; Cell organelles – structure and function; endomembrane system, endoplasmic reticulum, Golgi bodies, lysosomes, vacuoles; mitochondria, ribosomes, plastids, microbodies; cytoskeleton, cilia, flagella, centrioles (ultrastructure and function); nucleus, nuclear membrane, chromatin, nucleolus.
• Chapter-9: Biomolecules
  • Chemical constituents of living cells: biomolecules, structure, and function of proteins, carbohydrates, lipids, nucleic acids, enzymes, types, properties, and enzyme action.
• Chapter-10: Cell Cycle and Cell Division
  • Cell cycle, mitosis, meiosis, and their significance.

Unit 4: Plant Physiology

• Chapter-11: Transport in Plants
  • Transport in plants; Movement of water, gases, and nutrients; cell-to-cell transport, Diffusion, facilitated diffusion, active transport; plant-water relations, Imbibition, water potential, osmosis, plasmolysis; long-distance transport of water – Absorption, apoplast, symplast, transpiration pull, root pressure and guttation; transpiration, 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; elementary idea of hydroponics as a method to study mineral nutrition; nitrogen metabolism, nitrogen cycle, 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 noncyclic photophosphorylation; chemiosmotic hypothesis; photorespiration; C3 and C4 pathways; 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; phases of plant growth and plant growth rate; conditions of growth; differentiation, dedifferentiation, and redifferentiation; Sequence of developmental processes in a plant cell; growth regulators – auxin, gibberellin, cytokinin, ethylene, ABA; seed dormancy; vernalization; photoperiodism.

Unit 5: Human Physiology

• Chapter-16: Digestion and Absorption
  • Alimentary canal and digestive glands, the role of digestive enzymes and gastrointestinal hormones; Peristalsis, digestion, absorption, and assimilation of proteins, carbohydrates, and fats; calorific values of proteins, carbohydrates, and fats; egestion; nutritional and digestive disorders – PEM, indigestion, constipation, vomiting, jaundice, diarrhea.
• Chapter-17: Breathing and Exchange of Gases
  • Respiratory organs in animals (recall only); Respiratory system in humans; mechanism of breathing and its regulation in humans – exchange of gases, transport of gases and regulation of respiration, respiratory volume; 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 human heart and blood vessels; cardiac cycle, cardiac output, ECG; double circulation; 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; human excretory system – structure and function; urine formation, osmoregulation; regulation of kidney function – renin-angiotensin, atrial natriuretic factor, ADH and diabetes insipidus; the role of other organs in excretion; disorders – uremia, renal failure, renal calculi, nephritis; dialysis and artificial kidney.
• Chapter-20: Locomotion and Movement
  • Types of movement – ciliary, flagellar, muscular; skeletal muscle-contractile proteins and muscle contraction; skeletal system and its functions; joints; disorders of the muscular and skeletal system – myasthenia gravis, tetany, muscular dystrophy, arthritis, osteoporosis, gout.
• Chapter-21: Neural Control and Coordination
  • Neurons and nerves; Nervous system in humans – central nervous system; the peripheral nervous system and visceral nervous system; generation and conduction of nerve impulse; reflex action; sensory perception; sense organs; Elementary structure and functions of eye and ear.
• Chapter-22: Chemical Coordination and Integration
  • Endocrine glands and hormones; human endocrine system – hypothalamus, pituitary, pineal, thyroid, parathyroid, adrenal, pancreas, gonads; mechanism of hormone action (elementary Idea); the role of hormones as messengers and regulators, hypo – and hyperactivity and related disorders; dwarfism, acromegaly, cretinism, goiter, exophthalmic goiter, diabetes, Addison’s disease.

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NCERT Biology Class 11 Textbooks 2023 For Term 1 & Term 2

The Biology book covers topics like Reproduction in Organisms, Human Reproduction, Sexual Reproduction in Flowering Plants, etc. The book is specially created to provide a depth concept on the subject and also helps to prepare for various entrance exams. The book is specifically focused on living Organisms, Evolution, and Biotech. While, for Human Ecology, there is a separate book.

Here you can download Chapter-wise NCERT Textbook for Class 11 Biology for Hindi and English Medium.

• Download CBSE Science Class 11 Biology Book in English
• Download CBSE Science Class 11 Biology Book in Hindi

We have covered the detailed guide on CBSE Class 11 Biology Syllabus 2023 For Term 1 & Term 2. Feel free to ask any questions related to Class 11 Biology in the comment section below.