Books written by P. R. Yadav

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  Environmental Ecology

  Contents: Symbiotic Relationships, Ecological Factors, Aquatic Ecosystems, Terrestrial Ecosystems, Ecological Niches, Population Ecology, Nutrient Cycles of an Ecosystem, Oxygen Cycle, Mineral Cycles, Water Cycle, Nitrogen Cycle, Carbon ...

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  Biotechnology of Plant Tissues

  Molybdenum , and iron are important in nitrogen metabolism as they are part of the nitrate reductase and nitrogenase enzymes ... Although plants synthesize many vitamins , the biosynthetic capability of plant cell cultures in vitro may ...

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  Biotechnology of Animal Tissues

  organ culture , and refers simply to the cultivation of intact embryos in vitro . The word embryo has been used to mean different things by different people . Clearly the word refers to a stage of development before birth .

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  Biology of Amphibia

  Contents: Introduction, Geological Time Scale, Origin of Amphibia, Classification of Amphibia, Habitats and Adaptations, Amphibian Behaviour, Ecology of Amphibians, Caecilians, Frogs and Toads, Salamanders and Newts, Reproduction, ...

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  Environmental Biology

  Contents: Evolution of the Biosphere, The Biosphere Our Ultimate Resource Base, Biogeography, Energy cycle of Biosphere, Biotic Factors of Freshwater Environment, Geographical Ecology, Green House Effects, Effect of Light, The Ecosphere, ...