NCERT Solutions for Class 11 Biology (Latest Edition)

Welcome to NCERTSolutions.org, your trusted guide for Class 11 Biology. 📖✨

Class 11 Biology provides a comprehensive introduction to the living world, from the cellular level to complete organisms. It helps students explore diverse life forms, anatomy, physiology, and molecular biology, building a strong foundation for advanced biology studies.

Our NCERT Solutions explain every chapter in simple, step-by-step language, helping students understand concepts, diagrams, processes, and practical applications. These solutions are perfect for homework, exams, and classroom discussions.

📘 Class 11 Biology Chapters

  1. The Living World

  2. Biological Classification

  3. Plant Kingdom

  4. Animal Kingdom

  5. Morphology of Flowering Plants

  6. Anatomy of Flowering Plants

  7. Structural Organisation in Animals

  8. Cell: The Unit of Life

  9. Biomolecules

  10. Cell Cycle and Cell Division

  11. Transport in Plants

  12. Mineral Nutrition

  13. Photosynthesis in Higher Plants

  14. Respiration in Plants

  15. Plant Growth and Development

  16. Digestion and Absorption

  17. Breathing and Exchange of Gases

  18. Body Fluids and Circulation

  19. Excretory Products and their Elimination

  20. Locomotion and Movement

  21. Neural Control and Coordination

  22. Chemical Coordination and Integration

💡 Why Our Class 11 Biology Solutions Work

  • Step-by-step explanations for all diagrams, processes, and questions

  • Helps in understanding anatomy, physiology, and molecular mechanisms

  • Covers all exercises, examples, and illustrations in the NCERT textbook

  • Perfect for homework, exams, and self-practice

  • Encourages analytical thinking, observation skills, and practical understanding

📖 Chapter Highlights & Key Insights

  1. The Living World
    Explore diversity of life, characteristics of living organisms, and scientific study of biology.
    🌱 Activity: Identify and classify plants and animals in your surroundings.

  2. Biological Classification
    Understand five kingdoms, basis of classification, and characteristics of organisms.
    🔬 Activity: Draw a classification chart for local plants and animals.

  3. Plant Kingdom
    Learn about algae, bryophytes, pteridophytes, gymnosperms, and angiosperms.
    🌿 Activity: Prepare a herbarium sheet of local plants.

  4. Animal Kingdom
    Study animal phyla, body plans, and evolutionary relationships.
    🦋 Activity: Observe and classify insects or small animals in your vicinity.

  5. Morphology of Flowering Plants
    Understand root, stem, leaf, inflorescence, and flower structure.
    🌸 Activity: Draw labeled diagrams of a flowering plant’s parts.

  6. Anatomy of Flowering Plants
    Learn tissue systems, anatomy of stem, root, and leaf.
    📋 Activity: Prepare a slide and observe plant tissue under a microscope.

  7. Structural Organisation in Animals
    Explore animal tissues, organ systems, and levels of organization.
    🦴 Activity: Compare tissue structure in different animals.

  8. Cell: The Unit of Life
    Study cell structure, organelles, and cell theory.
    🔬 Activity: Observe onion peel and cheek cells under a microscope.

  9. Biomolecules
    Learn about carbohydrates, proteins, lipids, and nucleic acids.
    💡 Activity: Identify biomolecules in daily food items.

  10. Cell Cycle and Cell Division
    Understand mitosis, meiosis, and their significance in growth and reproduction.
    🧬 Activity: Draw diagrams showing stages of cell division.

  11. Transport in Plants
    Study water, minerals, and food transport mechanisms.
    💧 Activity: Demonstrate capillary action using a celery experiment.

  12. Mineral Nutrition
    Learn about macro- and micro-nutrients and their roles in plants.
    🌿 Activity: Compare growth of plants with and without fertilizer.

  13. Photosynthesis in Higher Plants
    Understand light reactions, dark reactions, and factors affecting photosynthesis.
    ☀️ Activity: Measure oxygen release in an aquatic plant experiment.

  14. Respiration in Plants
    Explore aerobic and anaerobic respiration, glycolysis, Krebs cycle.
    🔥 Activity: Demonstrate fermentation using yeast and sugar.

  15. Plant Growth and Development
    Study plant hormones, tropisms, and growth regulators.
    🌱 Activity: Observe phototropism in seedlings.

  16. Digestion and Absorption
    Learn about human digestive system and nutrient absorption.
    🍽️ Activity: Draw a flowchart of the digestive system.

  17. Breathing and Exchange of Gases
    Understand mechanics of breathing, lungs, and oxygen-carbon dioxide transport.
    💨 Activity: Measure your own respiratory rate at rest and after exercise.

  18. Body Fluids and Circulation
    Study blood, lymph, heart structure, and circulation pathways.
    🩸 Activity: Draw a diagram of the human heart showing blood flow.

  19. Excretory Products and their Elimination
    Learn about kidneys, nephron, urine formation, and excretory mechanisms.
    💧 Activity: Prepare a labeled diagram of the nephron.

  20. Locomotion and Movement
    Understand skeletal system, muscles, and types of movement.
    🦴 Activity: Identify different types of joints in your body.

  21. Neural Control and Coordination
    Study neurons, brain, spinal cord, and reflex action.
    🧠 Activity: Test reflex action with a simple experiment.

  22. Chemical Coordination and Integration
    Learn about endocrine glands, hormones, and their role in regulation.
    💡 Activity: List endocrine glands and associated hormones in humans.

📈 Key Benefits of Our Class 11 Biology Solutions

  • Makes complex biological concepts and processes easy to understand

  • Strengthens analytical thinking, observation skills, and practical knowledge

  • Covers all exercises, diagrams, and numerical questions in the NCERT textbook

  • Perfect for exam preparation, homework, and classroom discussions

  • Encourages curiosity, critical thinking, and scientific exploration

✍️ Fun Biology Activities

  • Maintain a Biology Journal — note diagrams, experiments, and observations

  • Draw and label all organ systems for practice and retention

  • Perform simple experiments to observe plant and animal physiology

  • Create flashcards for terms, processes, and diagrams