NCERT Solutions for Class 11 Biology in PDF

NCERT Solutions for Class 11 Biology in PDF format for CBSE & UP Board are available to download. NCERT books solutions of other subjects are also available to download along with the answers given at the end of the book. Download updated solutions, study material issued by CBSE, for the coming session based on latest CBSE Syllabus for 2018-19. If you are having any suggestion for the improvement, your are welcome. The improvement of the website and its contents are based on your suggestion and feedback.

NCERT Solutions for Class 11 Biology




NCERT Solutions for Class 11 Biology

Download NCERT Solutions for Class 11 Biology in PDF format. NCERT books and answers, study material for final exams and other online study books for revision are available to free download.

Chapter 1: The Living World

Chapter 2: Biological Classification

Chapter 3: Plant Kingdom



Chapter 4: Animal Kingdom

Chapter 5: Morphology of Flowering Plants

Chapter 6: Anatomy of Flowering Plants

Chapter 7: Structural Organisation in Animals

Chapter 8: Cell: The Unit of Life

Chapter 9: Biomolecules

Chapter 10: Cell Cycle and Cell Division



Chapter 11: Transport in Plants

Chapter 12: Mineral Nutrition

Chapter 13: Photosynthesis in Higher Plants

Chapter 14: Respiration in Plants

Chapter 15: Plant Growth and Development

Chapter 16: Digestion and Absorption

Chapter 17: Breathing and Exchange of Gases




Chapter 18: Body Fluids and Circulation

Chapter 19: Excretory Products and Their Elimination

Chapter 20: Locomotion and Movement

Chapter 21: Neural Control and Coordination



Chapter 22: Chemical Coordination and Integration

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More to Know – NCERT Solutions for Class 11 Biology

Basic Branches of Biology
  • Taxonomy
    Man has always tried to name and classify the things present in the surrounding according to their utility. This led to extensive collection of knowledge about plants and animals. At present about 1200000 species of animals and about 7 to 8 lakh species of plants are known to us. The branch of biology which deals with the identification and classification of organisms is called Taxonomy.



  • Morphology
    It is the study of external features of organisms. It essentially includes the understanding and interpretation of structure both external and internal.
  • Anatomy
    It is the study of gross internal structure of organs and different parts. It ascertains the identification and similarities of one organism with other organism in the course of studies. Some organism have considerable similarities in external and internal features, where as in some organisms, there is close resemblance in external features but they differ in internal structure. For example – Man, Monkey and Dog have analogy in internal organ system but externally all of them differ from one another.
  • Histology
    The body of various plants and animals are composed of different kinds of organs and organ systems. These organs are formed by special structures called tissues. The tissues are the groups of such cells which are similar in structure, function and origin. Thus the tissues are microscopic structures and can be studied only with the help of microscope. Substantially the microscopic study of internal structure of living organism is called as Histology.
  • Cell Biology
    The body of living beings is composed of one or many cells. The structure, function and division of the cell directly determines the life activities of living beings. All researches or studies related to cell are included under the branch known as Cell Biology. It involves the studies of all kinds of cells and their behaviour.
  • Molecular Biology
    The cell consists of large number of micro and macro molecules such as nucleic acids, proteins, lipids etc. The interaction between these bio-chemical molecules results into life and all these studies of cells at molecular level are included under the branch known as Molecular Biology. It involves the studies of composition and mechanism of synthesis of the biomolecules of cells.
  • Physiology
    Plants and animals perform life processes in a similar fashion. For example digestion, respiration, excretion etc. In addition, plants also perform photosynthesis. All these life activities are the consequences of bio-chemical reactions that occur inside the cell. The detailed study of these reactions is known as Physiology. The study of life processes and functions of plants is called Plant-Physiology. Whereas study related to animals is defined as Animal Physiology. [Read More…]


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7 thoughts on “NCERT Solutions for Class 11 Biology in PDF”

  1. GOOD EVENING RESPECTED MADAM/SIR

    SO I WAS GOING THROUGH THE NCERT PDF OF BIOLOGY OF CHAPTER 9 OF CLASS 11. TO MY UTTER SURPRISE I FOUND THAT THE PDF HERE IS NOT THE LATEST ONE SINCE I FOUND AN ERROR WHICH HAS BEEN CORRECTED IN THE LATEST EDITION .

    NCERT CLASS X1
    CHAPTER 9 : STRUCTURAL ORGANISATION IN ANIMALS
    PAGE 108
    LINE/STATEMENT : The characteristic feature of
    the intestine between 26-35 segments is the
    presence of internal median fold of dorsal wall
    called typhlosole.

    THE SAME STATEMENT IN THE LATEST VERSION IS : THE CHARACTERISTIC FEATURE OF THE INTESTINE AFTER 26TH SEGMENT EXCEPT THE LAST 23RD-25TH SEGMENT IS THE PRESENCE OF INTERNAL MEDIAN FOLD OF DORSAL WALL CALLED TYPHLOSOLE.

    RESPECTED MADAM/SIR
    IT IS AN EARNEST REQUEST TO YOU THAT YOU UPDATE THE LATEST PDFs OF THE NCERT FOR CLASS 11 AND 12 .
    I AM A PRE-MED AND YOUR WEBSITE IS REALLY HELPFUL . (PREVIOUSLY I WAS COMPARING THE CHAPTERS WHILE STUDYING FROM THE WEBSITE BUT TODAY WHEN I FOUND THIS ERROR I REALLY FELT THE NEED TO UPDATE YOU .)
    I GOT MY NCERT IN 2015 .
    THERE HAVE BEEN CORRECTIONS IN NCERT AFTER THAT TOO.
    I’LL BE HIGHLY OBLIGED IF YOU LOOK INTO THE MATTER AND UPDATE THE NEW PDF OF ALL THE CHAPTERS 🙂

    1. Thanks for your feedback. We will make the needful changes within 15 days so that students take the benefits of the proper courses.

  2. Sir,
    Kindly upload Biology Class XI NCERT solutions to Chapter 21 and Chapter 22 viz. CHAPTER 21: NEURAL CONTROL AND COORDINATION and CHAPTER 22: CHEMICAL COORDINATION AND INTEGRATION. I am fully depended on Tiwari.com study materials. Please do the same for the interest of the students.

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