how is transpiration pull responsible for upward movement of H2O
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when transpiration take place, the water in the leaves get evaporated. due to this evaporation, the water level in the leaves decreases. to again gain water the leaves take it from the stem and then the stem from the roots. due to this, upward movement of water takes place.
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Transpiration: Loss of water through stomata,during day time.
How does transpiration cause water to be pulled?
During transpiration,when water is lost, It creates a vacuum between their xylem vessels. The vacuum creates a suction pull,this helps in transport of water.
Cohesion and adhesion also take place.
Cohesion: Attraction between similar molecules (between water molecule)[Since H2O is a dipole molecule]
Adhesion: Attraction between dissimilar molecule (between water and stem)
How does transpiration cause water to be pulled?
During transpiration,when water is lost, It creates a vacuum between their xylem vessels. The vacuum creates a suction pull,this helps in transport of water.
Cohesion and adhesion also take place.
Cohesion: Attraction between similar molecules (between water molecule)[Since H2O is a dipole molecule]
Adhesion: Attraction between dissimilar molecule (between water and stem)
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