Tag: Class12 Biology

  • CHAPTER 15 BIODIVERSITY AND CONSERVATION

    15.1 Biodiversity15.2 Biodiversity Conservation If an alien from a distant galaxy were to visit our planetEarth, the first thing that…

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  • CHAPTER 11 BIOTECHNOLOGY : PRINCIPLESAND PROCESSES

    11.1 Principles of Biotechnology11.2 Tools of Recombinant DNATechnology11.3 Processes of RecombinantDNA Technology Biotechnology deals with techniques of using liveorganisms or…

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  • CHAPTER 10 MICROBES IN HUMAN WELFARE

    10.1 Microbes in HouseholdProducts10.2 Microbes in IndustrialProducts10.3 Microbes in SewageTreatment10.4 Microbes in Production ofBiogas10.5 Microbes as BiocontrolAgents10.6 Microbes as Biofertilisers…

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  • CHAPTER 4 REPRODUCTIVE HEALTH

    3.1 Reproductive Health –Problems and Strategies3.2 Population Explosion andBirth Control3.3 Medical Termination ofPregnancy3.4 Sexually TransmittedDiseases3.5 Infertility You have learnt about…

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  • CHAPTER 3 HUMAN REPRODUCTION

    2.1 The Male ReproductiveSystem2.2 The Female ReproductiveSystem2.3 Gametogenesis2.4 Menstrual Cycle2.5 Fertilisation andImplantation2.6 Pregnancy and EmbryonicDevelopment2.7 Parturition and Lactation As you…

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  • CHAPTER 1REPRODUCTION IN ORGANISMS

    1.1 AsexualReproduction1.2 SexualReproduction Each and every organism can live only for a certain periodof time. The period from birth to…

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