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Ye, CONTENTS, , , , Chapter Unit ; Pages, , , , , , ke, , UNIT - IL., , Vegetation and Natural Resources, , Vegetation and Floristic regions of India 1- 21, [Detailed study of the vegetation and floristic regions of, India, evergreen, mangrove forest], , Natural Resources - 22- 64, [Forest resources, conservation, afforestation, social, forestry, agro forestry- timber extraction, dams and their, effects, Mineral and water resources, floods, droughts,, Energy resources; renewable and non renewable, resources], , UNIT - I., Ecosystem and pollution, , Environment 65- 98, [Physical environment, biotic environment, biotic and, abiotic interaction, concept of habitat and niche], , Ecosystem 99 - 130, , [Basic component of ecosystem, energy flow in, ecosystem, trophic levels]

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errannivesive-nierrannceniibieinmisniitinisiedi, , ———, Knvironmental Pollution 131 - 181, , [Major pollutants- air, water and soil pollution, control, measure, climate change and global warming,, environmental evolution}, , Biodiversity — 182 - 210, [Concept of biodiversity], UNIT - Ii., Plant physiology, Absorption of water 211 - 231, Absorption of Mineral Elements 232 - 250, , {Roots as absorbing surfaces- passive and active, absorption, physiological role of micro and macro elementstheir deficiency symptoms], , Growth ' 251 - 281, , [Phases of growth curve, plant hormones (Auxins,, Giberellins, Cytokinins, Ethylene, Abscissic acid,, Physiological functions, senescences], , Photoperiodism 282 - 294°, , [Physiology of flowering, photomorphogenesis,, phytochromes, physiological role], , Photosynthesis and Pentose 294()-294¢, Phosphate Pathway., , {Significance- light reactions, Calvin cycle,, photorespiration, laws of limiting factors, chemosynthesis= brief account. Pentose phosphate pathway]

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12., , 13., , i4., , 1S;, 16., , 17., , 18., , 19., , , , Biological Nitrogen Fixation 294(XXVITT)-294(XL), (Mechanism, elementary knowledge of Nif Nod, Hup], , UNIT - Iv., , Biochmistry :, , Water 295 - 308, , [As universal solvent, weak interaction in aquous system], Principles of Biophysical chemistry 309 - 333, , (pH, buffer, reaction kinetics, thermodynamics and, colligative properties], , Bioenergetics 334 - 341, , 342 - 368, , [Enzymes and enzyme kinetics, enzyme regulation,, isozymes], , , , Enzymes, , Respiration 369 - 398, , [Glycolysis, Kreb’s cycle, fermentation, oxidative, phosphoylation, ATP synthesis], , Biosynthesis of nucleic acids 399 - 413, and protein synthesis, UNIT - V., Molecular Biology, Gene-structure, expression and regulation 414 - 447, , [Gene organisation in prokaryotes and eukaryotes, operon |, concept, gene regulation in prokaryotes and eukaryotes,, positive and negative gene regulation, interrupted genes, , in eukaryotes, RNA splicing; mRNA stability]