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Stomatal Resistance
Stomatal resistance is most important because gas exchange between leaves and external atmosphere takes place entirely through stomatal pores. Stomatal resistance depends mainly on the size and shape of the stomatal cavity and size of stomatal aperture. Can you tell which pore size, small or large would exert greater resistance? Of course, smaller the pore greater would be the resistance for the outward movement of water vapour. On an average a standard pore measures about 20 μm in length and about 11 μm wide at its widest point when fully open.
Define the Causes of Instrument Fracture Too much apical pressure ( specially in narrow or curved canal) Used in dry canal without irrigation or lubricant Excessi
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in a school laboratory, what is usually regarded as evidence that photosynthesis has occurred in plants
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Q. What are the major cellular features of fungi? There are pluricellular and unicellular fungi. All fungi are heterotrophs and eukaryotes. Fungi have cells with cell wall m
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