TRANSPIRATION
WATER LOSS FROM LEAVES
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The Plant Gives Off Water
roots: absorb water
xylem
vapour from stomata
~90%
water turns to vapour
Stomata
tiny pores
Cooling
plant cools
1. Transpiration
Water leaves through the stomata of leaves,
as vapour
2. When is it Faster?
Sunlight, heat, wind → faster
High humidity → slower
3. Faida
The plant stays cool,
water + minerals move up
MATRIC BIOLOGY · TRANSPORT IN PLANTS · PUNJAB BOARDS
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