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Why are stomata mostly present on lower surface of leaves?

Answer»

Upper layer of LEAF is made up of EPIDERMIS means it has a layer of cuticle.cuticle resists dessecation,infectionn and evaporation so it will not ALLOW the leaf to transpirate.If plant will not transpirate conduction of water will not occur.as a RESULT,plant may die so stomata is present on LOWER surface of leaves



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