Class 11 Biology Class Notes By Mridul Tiwari
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These notes are not just ordinary study materials; they are your key to unlocking the world of biology. Carefully structured and meticulously detailed, they cover the entire Class 11 Biology syllabus in an easy-to-understand format. Whether you're aiming to excel in your board exams or crack the highly competitive NEET, these notes will be your ultimate study companion.
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Class 11 Biology Chapter ClassNotes
Unit I: Diversity of Living Organisms
Chapter 1: The Living World This chapter introduces the fundamental characteristics of living organisms, distinguishing them from non-living things. It covers the concept of biodiversity, taxonomic hierarchy, and binomial nomenclature.
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Chapter 2: Biological Classification This chapter delves into the classification of living organisms based on their characteristics. It covers the five kingdom classification, salient features of different kingdoms, and the concept of species and taxonomy.
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Chapter 3: Plant Kingdom This chapter focuses on the classification of plants into different groups based on their characteristics. It covers algae, bryophytes, pteridophytes, gymnosperms, and angiosperms.
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Chapter 4: Animal Kingdom This chapter explores the classification of animals based on their distinctive features. It covers phyla like Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata, Hemichordata, and Chordata.
Unit II: Structural Organisation in Animals and Plants
Chapter 5: Morphology of Flowering Plants This chapter deals with the external structure of flowering plants, including their root, stem, leaf, flower, fruit, and seed. It covers various modifications of these parts for different functions.
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Chapter 6: Anatomy of Flowering Plants This chapter delves into the internal structure of plants, including tissues, root and stem anatomy, and floral anatomy. It covers the structure of different plant organs and their functions.
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Chapter 7: Structural Organisation in Animals This chapter explores the levels of organization in animals, from cellular to organ system level. It covers tissues, animal morphology, and different types of animal tissues.
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Unit III: Cell: Structure and Function
Chapter 8: Cell - The Unit of Life This chapter introduces the basic unit of life, the cell. It covers cell theory, prokaryotic and eukaryotic cells, cell organelles, and their functions.
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Chapter 9: Biomolecules This chapter discusses the various molecules essential for life, including carbohydrates, proteins, lipids, and nucleic acids. It covers their structure, functions, and importance.
Chapter 10: Cell Cycle and Cell Division This chapter explains the cell cycle, mitosis, and meiosis. It covers the stages of cell division, their significance, and the role of cell division in growth and reproduction.
Unit IV: Plant Physiology
Chapter 11: Photosynthesis in Higher Plants This chapter explores the process of photosynthesis, including light and dark reactions, factors affecting photosynthesis, and its importance.
Chapter 12: Respiration in Plants This chapter covers the process of respiration in plants, including aerobic and anaerobic respiration, glycolysis, the Krebs cycle, and electron transport chain.
Chapter 13: Plant Growth and Development This chapter deals with the growth and development of plants, including plant hormones, photoperiodism, and vernalization.
Unit V: Human Physiology
Chapter 14: Breathing and Exchange of Gases This chapter explains the mechanism of breathing, gas exchange, transport of gases, and regulation of respiration.
Chapter 15: Body Fluids and Circulation This chapter covers blood composition, blood groups, coagulation, the circulatory system, cardiac cycle, and blood pressure.
Chapter 16: Excretory Products and Their Elimination This chapter deals with the excretory system, different types of kidneys, urine formation, and osmoregulation.
Chapter 17: Locomotion and Movement This chapter explores the musculoskeletal system, types of joints, different types of muscles, and the mechanism of muscle contraction.
Chapter 18: Neural Control and Coordination This chapter covers the nervous system, neurons, nerve impulses, the structure of the brain and spinal cord, and reflexes.
Chapter 19: Chemical Coordination and Integration This chapter explains the endocrine system, hormones, their functions, and the mechanism of hormone action.
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