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UNIT 7 GENETICS AND EVOLUTION
Read More: UNIT 7 GENETICS AND EVOLUTIONChapter 5Principles of Inheritanceand Variation Chapter 6Molecular Basis of Inheritance Chapter 7Evolution The work of Mendel and others who followed him gave us anidea of inheritance patterns. However the nature of those ‘factors’which determine the phenotype was not very clear. As these‘factors’ represent the genetic basis of inheritance, understandingthe structure of genetic material and the…
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UNIT 6 REPRODUCTION
Read More: UNIT 6 REPRODUCTIONChapter 1Reproduction in Organisms Chapter 2Sexual Reproduction inflowering Plants Chapter 3Human Reproduction Chapter 4Reproductive Health Biology in essence is the story of life on earth. While individualorganisms die without fail, species continue to live throughmillions of years unless threatened by natural or anthropogenicextinction. Reproduction becomes a vital process withoutwhich species cannot survive for long. Each…
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UNIT 5 HUMAN PHYSIOLOGY
Read More: UNIT 5 HUMAN PHYSIOLOGYChapter 16Digestion and Absorption Chapter 17Breathing and Exchangeof Gases Chapter 18Body Fluids andCirculation Chapter 19Excretory Products andtheir Elimination Chapter 20Locomotion and Movement Chapter 21Neural Control andCoordination Chapter 22Chemical Coordinationand Integration The reductionist approach to study of life forms resulted in increasinguse of physico-chemical concepts and techniques. Majority of thesestudies employed either surviving tissue model or…
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UNIT 4 PLANT PHYSIOLOGY
Read More: UNIT 4 PLANT PHYSIOLOGYChapter 11Transport in Plants Chapter 12Mineral Nutrition Chapter 13Photosynthesis in HigherPlants Chapter 14Respiration in Plants Chapter 15Plant Growth andDevelopment The description of structure and variation of living organisms over aperiod of time, ended up as two, apparently irreconcilable perspectiveson biology. The two perspectives essentially rested on two levels oforganisation of life forms and phenomena. One…
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UNIT 3 CELL: STRUCTURE AND FUNCTIONS
Read More: UNIT 3 CELL: STRUCTURE AND FUNCTIONSChapter 8Cell: The Unit of Life Chapter 9Biomolecules Chapter 10Cell Cycle andCell Division Biology is the study of living organisms. The detailed description oftheir form and appearance only brought out their diversity. It is thecell theory that emphasised the unity underlying this diversity of forms,i.e., the cellular organisation of all life forms. A description of…
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UNIT 2 STRUCTURAL ORGANISATIONIN PLANTS AND ANIMALS
Read More: UNIT 2 STRUCTURAL ORGANISATIONIN PLANTS AND ANIMALSChapter 5Morphology ofFlowering Plants Chapter 6Anatomy of FloweringPlants Chapter 7Structural Organisation inAnimals The description of the diverse forms of life on earth was made only byobservation – through naked eyes or later through magnifying lensesand microscopes. This description is mainly of gross structural features,both external and internal. In addition, observable and perceivableliving phenomena were also…
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UNIT 1 DIVERSITY IN THE LIVING WORLD
Read More: UNIT 1 DIVERSITY IN THE LIVING WORLDChapter 1The Living World Chapter 2Biological Classification Chapter 3Plant Kingdom Chapter 4Animal Kingdom Biology is the science of life forms and living processes. The living worldcomprises an amazing diversity of living organisms. Early man couldeasily perceive the difference between inanimate matter and livingorganisms. Early man deified some of the inanimate matter (wind, sea,fire etc.) and…
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CHAPTER 2 BIOLOGICAL CLASSIFICATION
Read More: CHAPTER 2 BIOLOGICAL CLASSIFICATION2.1 Kingdom Monera2.2 Kingdom Protista2.3 Kingdom Fungi2.4 Kingdom Plantae2.5 KingdomAnimalia2.6 Viruses, Viroidsand Lichens Since the dawn of civilisation, there have been many attempts to classifyliving organisms. It was done instinctively not using criteria that werescientific but borne out of a need to use organisms for our own use – forfood, shelter and clothing. Aristotle was…
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CLASS-12 BIOLOGY NCERT CONTENTS
Read More: CLASS-12 BIOLOGY NCERT CONTENTSUNIT VIREPRODUCTION 1-66Chapter 1 : Reproduction in Organisms 3Chapter 2 : Sexual Reproduction in Flowering Plants 19Chapter 3 : Human Reproduction 42Chapter 4 : Reproductive Health 57UNIT VIIGENETICS AND EVOLUTION 67-142Chapter 5 : Principles of Inheritance and Variation 69Chapter 6 : Molecular Basis of Inheritance 95Chapter 7 : Evolution 126UNIT VIIIBIOLOGY IN HUMAN WELFARE 143-190Chapter…