how does transpiration help in upward transport of substances.
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transpiration removes the water from the leaf cells which creates a low pressure in those cells... And hence the substances get pushed towards the cell through osmosis. it is known as transpirational pull
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39
transpiration is the loss of water from the aerial parts of the plant especially through leaf.so when there is transpiration occurring a large amount of water is lost. so to meet the water requirements of leaf a suction is created which pulls the water from the xylem tissue towards leaves.
hope this helps .
hope this helps .
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