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introduction principles advantages sunken garden greenhouse trophy topiary carpet beds rockery pergolas arches water garden paths creepers climbers shrubs lawn flower beds trees edges hedges landscape gardening designing planning creating maintenance consideration design consideration soil consideration climatic consideration planning a garden disadvantages informal style garden features of fromal garden types of garden gardening inheritance of ragged leaves inheritance of waxy lemma inheritance of maturity time inheritance of glume in wheat 1:2:1 feather colour in fowl blending inheritance. inheritance of flower colour in pea plant allelic interaction non – mendelian ratio. intermediate character. inheritance of flower colour in mirabilis mirabilis jalaba alleles or allelomorphs average time needed for a water molecule to escape diffusion of water vapour from intercellular space theories to explain the mechanism of closing and o turgidity opening and closing of stomata mesophyll cells guard cells diffusion of water from leaf xylem to intercellula types of stomata size of stomata distribution of stomata definition structure of water molecule distribution of water in human body water content of organisms sources of water forms of water characters selected by mendel reasons for mendel’s success re-discovery of mendel’s principles mendelism introductionn cavitationn cavitation overcomes objection to cohesion theory demonstration of water lifting power of transpirat adhesion cohesión transpiration pull and cohesion theory ringing experiment balsam plant experiment xylem elements xylem transport path of sap rate of movement of sap ascent of sap patterns of secondary thickening functions its components xylem complex permanent tissue plants mechanism physical forces water absorption transport genetic material cyanophycean granules polyhedral bodies polyphosphate bodies beta ranules glycogen photosynthetic apparatus cytoplasm cell wall cellular covering chromosome behaviour chromosome morphology chromosome number cytological characters immunological reactions crystals terpenoids and steroids alkaloids betalins phenolics non protein amino acids haplodiplontic diplobiontic haplobiontic diplontic haplontic recommendations sections chapters rules codes of nomenclature binomial nomenclature range of thallus structure of algae habit and habitats general characteristics