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CBSE Class 11 Biology Deleted Syllabus 2024-25 includes three chapters: Mineral Nutrition, Transport in Plants, and Digestion and Absorption. In addition, a few other topics are deleted from the 11th biology syllabus. According to the National Education Policy, almost 30% of the syllabus has been reduced. The NEP focuses on conceptual understanding. By learning the reduced syllabus, students will be able to understand the topics better. Students can also download the CBSE Class 11 Blueprint 2024-25 to get an idea about the pattern and marking scheme to be followed in the final exams. For more details related to the deleted chapters in Biology class 11, students can read the article in detail.
Deleted Chapters in Biology Class 11 2024-25
Educational boards modified their educational systems following the pandemic. This covers the modifications made to the conventional syllabus as well. This also includes the changes in the traditional syllabus. CBSE Class 11 Biology deleted syllabus 2024-25 includes entire chapters, examples, and even topics. Students and teachers should be aware of the deleted parts to avoid having to cover them in further studies. Check out the deleted chapters in Biology class 11 from the list below.
Chapter Number | Chapter Name | Eliminated/Deleted Topics |
|---|---|---|
Unit 1: Diversity of Living Organisms | ||
1 | The living world | Taxonomy and systematics; tools for the study of taxonomy- museums, zoological parks, herbaria, botanical gardens, keys for identification. |
2 | Biological Classification | No change |
3 | Plant Kingdom | Angiosperms; Angiosperms – classification up to class, characteristic features and examples. |
4 | Animal Kingdom | No Change |
Unit 2: Structural Organization in Animals and Plants | ||
5 | Deleted Families in Morphology of Flowering Plants | Morphology and modifications: Morphology of different parts of flowering plants: root, stem, leaf, fruit and seed. Description of Families: – Fabaceae |
6 | Anatomy of Flowering Plants | Anatomy and functions of different tissues and tissue systems in dicots and monocots. Secondary growth. |
7 | Structural Organisation in Animals | Morphology, anatomy and functions of different systems of an insect (cockroach) |
Unit 3: Cell: Structure and Function | ||
8 | Cell-The Unit of Life | No Change |
9 | Biomolecules |
|
10 | Cell Cycle and Cell Division | No Change |
Unit 4: Plant Physiology | ||
11 | Transport in Plants | Long-distance water transport: absorption, apoplast, symplast, transpiration pull, root pressure, and guttation; transpiration, opening and closing of stomata; movement of water, gases, and nutrients; cell-to-cell transport, diffusion, facilitated diffusion, active transport; plant-water relations, imbibition, water potential, osmosis, and plasmolysis; Translocation and uptake of mineral nutrients: Food transportation, phloem transport, mass flow theory. |
12 | Mineral Nutrition | The roles of macro- and micronutrients, essential minerals, symptoms of deficiencies, and mineral toxicity Basic understanding of hydroponics as a technique for studying mineral nutrition, including biological nitrogen fixation, nitrogen cycle, and nitrogen metabolism. |
13 | Photosynthesis in Higher Plants | No Change |
14 | Respiration in Plants | No Change |
15 | Plant - Growth and Development | Development and Growth: germination of seeds; plant growth phases and rates; growth conditions; dedifferentiation, redifferentiation, and differentiation; Plant cell development processes in order: photoperiodism, vernalization, seed dormancy, and photoperiodization |
Unit 5: Human Physiology | ||
16 | Digestion and Absorption | The function of gastrointestinal hormones and digestive enzymes; peristalsis; the breakdown, absorption, and assimilation of proteins, carbohydrates, and fats; the calorific values of proteins, carbohydrates, and fats; egestion; nutritional and digestive disorders, including PEM, indigestion, constipation, vomiting, jaundice, and diarrhea. |
17 | Breathing and Exchange of Gases | No Change |
18 | Body Fluids and Circulation | No Change |
19 | Excretory Products and their Elimination | No Change |
20 | Locomotion and Movement | ciliary, flagellar, and muscular movement types; the skeletal system and its functions; joints; disorders of the skeletal and muscular systems, including gout, myasthenia gravis, tetany, muscular dystrophy, arthritis, and osteoporosis. |
21 | Neural Control and Coordination | reflex action; sensory perception; sense organs; elementary structure and functions of eye and ear |
22 | Chemical Coordination and Integration | No Change |
Quick Links: CBSE Class 11 Physics Deleted Syllabus 2024-25
CBSE Class 11 Biology NCERT Rationalized Content 2024-25
In line with the deleted chapters in Biology class 11, NCERT has also rationalized the following content according to the updated curriculum followed by CBSE:
Chapter | Page No. | Dropped Topics/Chapters |
|---|---|---|
3–5 | 1.1 What is ‘Living’? | |
11–14 | 1.4 Taxonomical Aids | |
Chapter 1: The Living World | 12 12 13 | 1.4.2 Botanical Gardens 1.4.3 Museum 1.4.4 Zoological Parks |
14 | Summary (Para 2) | |
15 | Question no. 10 | |
40–41 | 3.5 Angiosperms | |
Chapter 3: Plant Kingdom | 42–43 44 | 3.6 Plant Life Cycles and Alternation of Generations Summary (Para 5 and 6) |
45 | Question no. 10 | |
67–68 | 5.1.2 Modifications of Root | |
68–69 | 5.2.1 Modifications of Stem | |
Chapter 5: Morphology of Flowering Plants | 71 | 5.3.4 Modifications of Leaves |
78–79 | 5.9.1 Fabaceae | |
81 | 5.9.3 Liliaceae | |
82–83 | Question nos 1, 2, 6 (b) 8, 9, 12, 14 | |
84 | 6.1 The Tissues | |
84–85 | 6.1.1 Meristematic Tissues | |
86–87 | 6.1.2.1 Simple Tissues (Para 2, 3) | |
87–88 | 6.1.2.2 Complex Tissues (Para 4) | |
94 | 6.4 Secondary Growth | |
Chapter 6: Anatomy of Flowering Plants | 94–95 | 6.4.1 Vascular Cambium 6.4.1.2 Activity of the Cambial Ring 6.4.1.3 Spring Wood and Autumn Wood |
99 | 6.4.1.4 Heartwood and Sapwood | |
96–97 | 6.4.2 Cork Cambium | |
97–98 | 6.4.3 Secondary Growth in Roots | |
99 | Question nos 1, 2, 3, 7, 11 | |
100 | 7.1 Animal Tissues | |
101–102 | 7.1.1 Epithelial Tissue | |
102–103 | 7.1.2 Connective Tissue | |
104–105 | 7.1.3 Muscle Tissue | |
105–106 | 7.1.4 Neural Tissue | |
Chapter 7: Structural Organisation in Animals | 106–111 106–107 | 7.3 Earthworm 7.3.1 Morphology |
107–108 | 7.3.2 Anatomy | |
111 | 7.4 Cockroach | |
111–112 | 7.4.1 Morphology | |
113–115 | 7.4.2 Anatomy | |
120–121 | Summary (Para 2, 3, 4) | |
121–122 | Question nos 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14 (c) | |
151 | 9.8 Nature of Bond Linking Monomers in a Polymer | |
152 | 9.9 Dynamic State of Body Constituents—Concept of Metabolism | |
Chapter 9: Biomolecules | 153 | 9.10 Metabolic Basis for Living |
160–161 | 9.11 The Living State Question nos 2, 3, 5, 8, 10 | |
Chapter 11: Transport in Plants | 175–193 | Full Chapter |
Chapter 12: Mineral Nutrition | 194–205 | Full Chapter |
Chapter 15: Plant Growth and Development | 251 252 252 254 | 15.5 Photoperiodism 15.6 Vernalisation 15.7 Seed Dormancy Question nos 3, 5, 8, 10 |
Chapter 16: Digestion and Absorption | 258–267 | Full Chapter |
322 | 21.5 Reflex Action and Reflex Arc | |
322 | 21.6 Sensory Reception and Processing | |
322–323 | 21.6.1 Eye | |
323 | 21.6.1.1 Parts of an Eye | |
Chapter 21: Neural Control and Coordination | 323–324 | 21.6.1.2 Mechanism of Vision |
324–326 | 21.6.2 The Ear | |
327 | 21.6.2.1 Mechanism of Hearing | |
328 | Summary (para 3 and 4) | |
329–330 | Question nos 1 (b, c), 2 (c), 4, (c, d), 5 (e, f, g, h), 6 (b, c), 7, 8 (b, c), 9 (c), 10 (a), 11, 12 (c, d) | |
433 | ||
Answers | 435 438–445 447–451 455 | By the reduction in Exercises in text. |
458–463 |
CBSE Class 11 Biology Syllabus 2024-25 PDF
The biology curriculum for CBSE Class 11 is comprehensive and demanding. By clicking the link below, you can download the CBSE Class 11 Biology Syllabus 2024-25 in PDF format.
Also Read: CBSE Class 11 Math Deleted Syllabus 2024-25
CBSE Class 11 Biology Syllabus 2024-25
The theory paper for Biology will be conducted for 70 marks, which will include 5 units. You can check out the marking scheme for each unit and chapter from the table given below to prepare well for the exams:
Unit | Title | Marks |
|---|---|---|
I | Diversity of Living Organisms | 15 |
II | Structural Organisation in Plants and Animals | 10 |
III | Cell: Structure and Function | 15 |
IV | Plant Physiology | 12 |
V | Human Physiology | 18 |
Total | 70 |
CBSE Class 11 Biology Practical Scheme 2024-25
The practical paper will be conducted for 30 marks. You can check out the information about the evaluation scheme based on the different components of the practical papers from the table given below:
EVALUATION SCHEME | MARKS |
|---|---|
One Major Experiment Part A (Experiment No- 1,3,7,8) | 5 |
One Minor Experiment Part A (Experiment No- 6,9,10,11,12,13) | 4 |
Slide Preparation Part A (Experiment No- 2,4,5) | 5 |
Spotting Part B | 7 |
Practical Record + Viva Voce | 4 |
Project Record + Viva Voce | 5 |
TOTAL | 30 |
CBSE Class 11 Biology Preparation Tips 2025
Students can ace the Biology exam for class 11th, provided they adopt the right methods and techniques. Here are a few tips and tricks that will help students achieve the best possible results.
- Being aware of the syllabus is, without a doubt, the most crucial step in starting any exam preparation. To ensure they fully understand the topics covered, candidates should also be aware of the Class 11 Biology Deleted Syllabus 2024-25 NEET in addition to the syllabus.
- Clarity on the paper pattern: After learning about the syllabus, students must also be aware of the exam's marking scheme, question format, length, and other details.
- Create a study schedule: Students can only complete the class 11 Biology syllabus effectively if they have a well-planned schedule. Candidates should establish and adhere to a routine based on their strengths and weaknesses.
- Study the reference material well: Biology is a more theoretical subject, so for students to properly retain the material, they should go over the terms and concepts several times.
- Practice Diagrams: An essential component of the biology paper is the diagram. Students need to make sure they are practicing pertinent diagrams in addition to studying theory. This will help them achieve high exam scores.
- Take brief notes: Because biology requires a lot of information intake, candidates will find great benefits from taking notes on key points. Before the test, students should thoroughly go over these notes.
- Complete practice exams and previous years' papers: The practice of analyzing sample papers and mock tests has numerous advantages. By answering them, one can get a decent understanding of the questions' nature, frequently asked questions, and important subjects.
- Revision is the key: Once the syllabus has been covered, it is time to revise! Candidates should revise each topic in detail so that all that has been studied remains fresh in their minds.
Several topics are included in the Class 11 Biology Deleted Syllabus 2024-25 NEET. Students are therefore advised to carefully go over the deleted material and focus only on the subjects that are covered in the syllabus.
FAQs
The deleted Families in Morphology of Flowering Plants in CBSE Class 11th Biology includes Morphology and modifications: Morphology of different parts of flowering plants: root, stem, leaf, fruit, and seed. Description of Families: – Fabaceae.
According to the evaluation system, there will be two experiments included in the practical paper, which will be based on the latest syllabus presented by CBSE. Make sure to read the syllabus carefully and avoid the Deleted Chapters in Biology Class 11 for effective preparation.
You can download the official syllabus PDF uploaded on the website of CBSE Academics at cbseacademics.nic.in to get information about the Deleted Chapters in Biology Class 11. Make sure to skip the deleted syllabus and only prepare using the contents present on the official PDF.
Deleted Chapters in Biology Class 11 include Transport in Plants, Mineral Nutrition, Digestion and Absorption, and Neural Control and Coordination which specifically the topics of Reflex Arc & Reflex Action have been removed. You can check out more information by downloading the official syllabus PDF now uploaded online.
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