The CBSE class 11 Biology deleted syllabus 2024-25 includes topics such as Mineral Nutrition, Digestion, and more, which can be accessed at cbse.gov.in.
CBSE Class 11 Biology Deleted Syllabus 2024-25: CBSE class 11 Biology deleted syllabus 2024-25 comprises chapters such as Transport in Plants, Mineral Nutrition, and Digestion and Absorption. While these three chapters have been completely removed from the class 11 Biology syllabus, a few others have only selected topics deleted.
The CBSE class 11 exam 2024 will cover all the chapters in the syllabus. As per the CBSE class 11 exam pattern, the Mathematics exam consists of 80 marks for the theory exam, and the remaining 20 marks are assigned for practicals.
| CBSE Class 11 Syllabus 2024-25 | CBSE Class 11th Blueprint 2024-25 |
Table of Contents
- Updated CBSE Class 11 Biology Syllabus 2024-25
- CBSE Class 11 Biology Syllabus 2024-25: Download PDF
- CBSE Class 11 Preparation Tips for Biology
CBSE Class 11 Biology Syllabus 2024-25: Download PDF
Students can download the PDF version of the CBSE class 11 2024-25 Biology syllabus by clicking on the link mentioned below. The syllabus covers topics that assist candidates in understanding the significance of Biology in our daily lives and how it is helpful in solving several problems.
| Particulars | PDF Link |
| CBSE Class 11 Biology Syllabus 2024-25 | Download PDF |
Also Check: CBSE Sample Papers for Class 11th Biology 2024
Updated CBSE Class 11 Biology Syllabus 2024-25
As CBSE has published the revised class 11th Biology syllabus, some of the NCERT Biology chapters and topics have been eliminated for the current academic year. Therefore, students need to know the deleted syllabus of class 11 Biology 2024-25 so that they are on the right track for exam preparation.
Below is the list of topics involved in the CBSE Class 11 Biology Syllabus 2024-25.
Unit-I Diversity of Living Organisms
The students can check the chapters in Unit-I that comes under Diversity of Living Organisms from the pointers mentioned below.
Chapter 1: The Living World
- Biodiversity
- Need for classification
- Three domains of life
- taxonomy and systematics
- Concept species and taxonomical hierarchy
- Binomial nomenclature
Chapter 2: Biological Classification
- Five kingdom classification
- Salient features and classification of Monera, Protista, and Fungi into major groups
- Lichens, Viruses, and Viroids
Chapter-3: Plant Kingdom
- Classification of plants into major groups
- Salient and distinguishing features and a few examples of Algae, Bryophyta, Pteridophyta, and Gymnospermae (Topics excluded – Angiosperms, Plant Life Cycle and Alternation of Generations)
Chapter 4: Animal Kingdom
- Salient features and classification of animals, non-chordates up to phyla level, and chordates up to class level (salient features and at a few examples of each category).
- (No live animals or specimens should be displayed.)
Unit-II Structural Organization in Plants and Animals
The students can check the chapters in Unit-II that comes under Structural Organization in Plants and Animals from the pointers mentioned below.
Chapter 5: Morphology of Flowering Plants
- Morphology of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit, and seed
- Description of the family Solanaceae
Chapter 6: Anatomy of Flowering Plants
- Anatomy and functions of tissue systems in dicots and monocots.
Chapter 7: Structural Organisation in Animals
- Morphology, Anatomy, and functions of different systems (digestive, circulatory, respiratory, nervous, and reproductive) of frogs.
Unit-III Cell: Structure and Function
The students can check the chapters in Unit-III that comes under Structure and Function from the pointers mentioned below.
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 cells
- 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
Chapter-9: Biomolecules
- Chemical constituents of living cells: biomolecules, structure and function of proteins
- Carbohydrates, lipids, and nucleic acids
- Enzyme - types, properties, enzyme action. (Topics excluded: Nature of Bond Linking Monomers in a Polymer, Dynamic State of Body Constituents Concept of Metabolism, Metabolic Basis of Living, The Living State)
Chapter 10: Cell Cycle and Cell Division
- Cell cycle, mitosis, meiosis, and their significance
Unit-IV Plant Physiology
The students can check the chapters in Unit-IV that comes under Plant Physiology from the pointers mentioned below.
Chapter 13: Photosynthesis in Higher Plants
- Photosynthesis as a means 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
- 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, differentiation, and redifferentiation
- The sequence of developmental processes in a plant cell
- Plant growth regulators - auxin, gibberellin, cytokinin, ethylene, ABA
Unit-V Human Physiology
The students can check the chapters in Unit-V that comes under Human Physiology from the pointers mentioned below.
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 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
- Role of other organs in excretion disorders - uremia, renal failure, renal calculi,
- Nephritis dialysis and artificial kidney, kidney transplant
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 muscular and skeletal systems - myasthenia gravis, tetany, muscular dystrophy, arthritis, osteoporosis, gout
Chapter 21: Neural Control and Coordination
- Neuron and nerves
- Nervous system in humans - central nervous system
- peripheral nervous system and visceral nervous system
- Generation and conduction of nerve impulse
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)
- Role of hormones as messengers and regulators
- Hypo - and hyperactivity and related disorders
- Dwarfism, acromegaly, cretinism, goiter, exophthalmic goitre, diabetes, Addison's disease
Note: Diseases related to all the human physiological systems are to be taught in brief.
Also Check: CBSE Class 11th Biology Notes
CBSE Class 11 Preparation Tips for Biology
Students can ace the Biology exam for class 11th, provided they adopt the proper methods and techniques. Here are a few tips and tricks that will help students achieve the best possible results.
- Awareness of the syllabus: It is undoubtedly the most important step to begin the preparation for any examination. Along with the syllabus, candidates should be aware of the CBSE class 11 Biology deleted syllabus 2024-25 so that they are very clear about the topics involved.
- Clarity on the paper pattern: Once students gain knowledge of the syllabus, it is equally essential for them to know the marking pattern, type of questions, duration, etc., of the exam.
- Develop a study timetable: Students can efficiently cover the entire syllabus of class 11 Biology only if they have a proper timetable in place. Candidates should create a routine according to their strengths and weaknesses and follow it strictly.
- Study the reference material well: As Biology is more of a theoretical subject, students should go through the terms and concepts multiple times to retain all the information effectively.
- Practice Diagrams: Diagrams are a crucial part of the Biology paper. Along with studying theory, students must make sure they are practicing relevant diagrams. This will aid them in securing good marks on the exam.
- Make short notes: Since a lot of information must be consumed in Biology, making notes of the essential points will work wonders for the aspirants. These notes should be reviewed well by the students before the examination.
- Solve mock tests & past years’ papers: There are many benefits of practicing and analyzing the sample papers and mock tests. A fair idea of the nature of questions, the common questions, and the high-weightage topics can be gained by solving them.
- Revision is the key: Once the syllabus has been covered, it is time to revise! Candidates should revise every topic in detail so that all that has been studied remains fresh in their minds.
The CBSE class 11 Biology deleted syllabus 2024-25 includes a good number of topics. Therefore, students are advised to review the deleted portion minutely and only concentrate on the topics that are relevant to the syllabus.
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