CBSE Class 11 Biology Syllabus 2024-25 (Latest) - Download PDF Here

CBSE Class 11 Biology Syllabus 2024-25 (Latest) - Download PDF Here

Edited By Dinesh Goyal | Updated on Sep 21, 2024 02:16 PM IST | #CBSE Class 12th

CBSE class 11 Biology syllabus 2024-25 - The Central Board of Secondary Education has released the class 11 biology syllabus for the academic year 2024-25. The CBSE class 11 Biology syllabus 2025 can be downloaded from the CBSE official website: cbseacademics.nic.in. Students must refer to the CBSE class 11 Biology syllabus 2024-25 for information about the important topics. Furthermore, students can learn about the marking scheme and syllabus for practical exams. For the current academic year 2024-25, there has been no reduction in CBSE 11th Biology syllabus 2025. The final exam will be held with the complete syllabus.

To prepare for the exam, students can refer to the syllabus and plan a study schedule. For competitive exams, the CBSE biology syllabus for class 11 2024-25 will also be beneficial. The aggregate marks for the class 11 Biology exam are 100. The theory paper consists of 70 marks, while the practical exam consists of 30 marks. There will be three hours of examination time for both papers.

Download CBSE 11 Biology Syllabus 2024-25 PDF

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CBSE Class 11 Biology Syllabus 2024-25

The CBSE syllabus of Class 11 Biology 2025 is divided into five units, each containing specific chapters and topics. Students can refer to the following breakdown of the syllabus of CBSE class 11 Biology for a comprehensive understanding of the subject:

CBSE 11th Class Biology Syllabus 2024-25

Chapter No. and Name

Topics

Unit-I - Diversity of Living Organisms

The Living World

Biodiversity; Need for classification; Three domains of life; taxonomy and systematics; concept of species and taxonomical hierarchy; binomial nomenclature

Biological Classification

Five kingdom classifications; Salient features and classification of Monera, Protista and Fungi into major groups; Lichens, Viruses, and Viroids.

Plant Kingdom

Salient features and classification of plants into major groups - Algae, Bryophyta, Pteridophyta,
Gymnospermae and Angiospermae (salient and distinguishing features and a few examples of each category); Angiosperms - classification up to class, characteristic features and examples.

Animal Kingdom

Salient features and classification of animals, non-chordates up to phyla level and chordates up to class level (salient features and distinguishing features of a few examples of each category).

(No live animals or specimens should be displayed.)

Unit-II Structural Organization in Animals and Plants

Morphology of Flowering Plants

Morphology and modifications: Morphology of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit and seed. Description of family Solanaceae and

Anatomy of Flowering Plants

Anatomy and functions of different tissues and tissue systems in dicots and monocots.

Structural Organisation in Animals

Morphology, Anatomy and functions of different systems (digestive, circulatory, respiratory, nervous and reproductive) of frog

Unit-III Cell: Structure and Function

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.

Biomolecules

Chemical constituents of living cells: biomolecules, structure and function of proteins, carbohydrates, lipids, nucleic acids; Enzymes- types, properties, enzyme action.

Cell Cycle and Cell Division


Cell cycle, mitosis, meiosis and their significance

Unit-IV Plant Physiology

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.

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.

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

Unit-V Human Physiology

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.

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 circulatory system - hypertension, coronary artery disease, angina pectoris, heart failure.

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.

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.

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

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 goiter, diabetes, Addison's disease. Note: Diseases related to all the human physiological systems are to be taught in brief.

CBSE Class 11 Biology Syllabus 2024-25 - Marking Scheme

The table below lists the marks assigned for each unit of the CBSE class 11 Biology syllabus 2024-25.

CBSE Syllabus for Class 11 Biology 2025 - Marking Scheme

Unit

Marks

Diversity of Living Organisms

15

Structural Organization in Plants and Animals

10

Cell: Structure and Function

15

Plant Physiology

12

Human Physiology

18

Total

70

CBSE Class 11 Biology Syllabus 2024-25 for Practical Exams

There will be 30 marks in total for the practicals, and the exam will last for 3 hours. Check out the evaluation criteria for the CBSE class 11 biology practical exams in the table below.

CBSE Class 11 Biology Syllabus for Practical Exams 2025

Particulars

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 Books for Biology

The CBSE class 11 biology syllabus 2024-25 is included in the NCERT books for class 11 Biology that are recommended by the CBSE. The list of study materials is provided below:

1. Biology Class-XI, Published by NCERT

2. Other related books and manuals brought out by NCERT (including multimedia)

Exam Preparation Tips for CBSE Class 11 Biology

  • Check the entire CBSE syllabus for Class 11 Biology 2024-25 and identify all the key topics.

  • Utilise NCERT books exclusively to cover the curriculum. Keep yourself updated with the CBSE 12th exam dates.

  • Creating notes during self-study is highly crucial for students. This practice enhances your understanding of Biology topics and promotes clearer comprehension.

  • Make a habit of practising diagrams. Also, give the diagram the proper labels. For improved control over a diagram, practise it at least two or three times.

  • To find out the kinds of questions that will be asked in the exam, solve sample papers and CBSE Class 11 previous year's question Papers. This will aid in your better preparation for Biology-related topics.

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Frequently Asked Questions (FAQs)

1. What are the biology class 11 CBSE exam passing scores?

To pass the exam, students must obtain a minimum of 33% in both the theory and practical parts of the exam.

2. Which book is the best for class 11 biology preparation?

The best book for biology is NCERT Class 11 biology book. Along with this, students can also follow other reference books.

3. Where can I find the NCERT Biology book in PDF format?

The PDF version of NCERT Biology is accessible on the official website: ncert.nic.in.

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Hello there! Thanks for reaching out to us at Careers360.

Ah, you're looking for CBSE quarterly question papers for mathematics, right? Those can be super helpful for exam prep.

Unfortunately, CBSE doesn't officially release quarterly papers - they mainly put out sample papers and previous years' board exam papers. But don't worry, there are still some good options to help you practice!

Have you checked out the CBSE sample papers on their official website? Those are usually pretty close to the actual exam format. You could also look into previous years' board exam papers - they're great for getting a feel for the types of questions that might come up.

If you're after more practice material, some textbook publishers release their own mock papers which can be useful too.

Let me know if you need any other tips for your math prep. Good luck with your studies!

It's understandable to feel disheartened after facing a compartment exam, especially when you've invested significant effort. However, it's important to remember that setbacks are a part of life, and they can be opportunities for growth.

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  2. Consider Professional Help:

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  3. Explore Alternative Options:

    • Retake the Exam: If you're confident in your ability to improve, consider retaking the chemistry compartment exam.
    • Change Course: If you're not interested in pursuing chemistry further, explore other academic options that align with your interests.
  4. Focus on NEET 2025 Preparation:

    • Stay Dedicated: Continue your NEET preparation with renewed determination.
    • Utilize Resources: Make use of study materials, online courses, and mock tests.
  5. Seek Support:

    • Talk to Friends and Family: Sharing your feelings can provide comfort and encouragement.
    • Join Study Groups: Collaborating with peers can create a supportive learning environment.

Remember: This is a temporary setback. With the right approach and perseverance, you can overcome this challenge and achieve your goals.

I hope this information helps you.







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hello mahima,

If you have uploaded screenshot of your 12th board result taken from CBSE official website,there won,t be a problem with that.If the screenshot that you have uploaded is clear and legible. It should display your name, roll number, marks obtained, and any other relevant details in a readable forma.ALSO, the screenshot clearly show it is from the official CBSE results portal.

hope this helps.

Hello Akash,

If you are looking for important questions of class 12th then I would like to suggest you to go with previous year questions of that particular board. You can go with last 5-10 years of PYQs so and after going through all the questions you will have a clear idea about the type and level of questions that are being asked and it will help you to boost your class 12th board preparation.

You can get the Previous Year Questions (PYQs) on the official website of the respective board.

I hope this answer helps you. If you have more queries then feel free to share your questions with us we will be happy to assist you.

Thank you and wishing you all the best for your bright future.

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A police jeep on a petrol duty on national highway was moving with a speed of 54km/hr. in the same direction. It finds a thief rushing up in a car at a rate of 126km/hr in the same direction. Police sub – inspector fired at the car of the thief with his service revolver with a muzzle speed of 100m/s. with what speed will the bullet hit the car of thief? CLASS - XI PHYSICS (Kinematics)

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