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NCERT Biology Book download for Class 11, 12 in English and Hindi Medium. Students can also download the NCERT Textbooks Solutions in. Read NCERT Biology Textbook For Class - 11 And Class - 12 (Set Of 2 Books Combo) book reviews & author details and more at Free delivery on . Learn from the best by opting for this Biology Textbook for Class Published by NCERT, it has been prescribed by the Central Board of Secondary Education.

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Biology. NCERT/CBSE class 12 Biology book Biology. content. NCERT/CBSE class 12 Biology book Biology. 01REPRODUCTION IN ORGANISMS. BIOLOGY. TEXTBOOK FOR CLASS XII. This book is sold subject to the condition that it shall not, by way of trade, be lent, re-sold, hired out or. download pdf Hindi, cbse board books, ncert Biology books, ncert books in hindi, ncert books in english, free ncert books, download ncert books in pdf, pdf.

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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.

NCERT Books for class 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2 & 1 in zip & PDF

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.

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Physiology Plants and animals perform life processes in a similar fashion. For example digestion, respiration, excretion etc. In addition, plants also perform photosynthesis.

Biology book ncert

They are tiny living creatures, invisible to the naked eye and are present all around us, in air, water, soil and so on. They played a key role in the evolution of the planet earth. Few microbes cause severe infections and disease that even result in death and others are the beneficial ones and harmless to our lives. Disease-causing microbes are called as pathogens. Influenza, tuberculosis, polio, cholera, HIV are some of the best examples of disease caused by these microbes.

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The most common microbes include Bacteria, protozoa viroid, some algae, Fungi, and Viruses. This chapter, deals in depth study of principles and processes involved in biotechnology. Among many techniques, modern biotechnology is the result of the following two core techniques.

They are- Genetic engineering Manufacturing of Antibiotics, Drugs and other Vaccines Class 12 Biology Chapter 12 Biotechnology and its Application In this chapter, students will learn that how human beings have used biotechnology to improve the quality of human life, especially in the field of food production and health. Biotechnology has given humans several useful products by using microbes, plants, animals, and their metabolic machinery.


Class 12 Biology Chapter 13 Organisms and Populations In this chapter, students shall explore ecology at organismic and population level. This chapter deals with topics such as organisms and its environment, niche, major abiotic factors affecting the organisms and its environment such as temperature, water, light, soil, responses to abiotic factors such as regulation , conformation, migration and suspension.

Biology book ncert

Diagrams, illustrations, flowcharts, and easy language makes this chapter comprehensive and easy to learn.