Answer Save. According to the cohesion-tension theory, transpiration is the main driver of water movement in the xylem. ... allowing the plants to soak up the water over time rather than all at once. Meniscus is the curvature of a liquid surface that is in a container. Cohesion and adhesion in plants? Plants use adhesion and cohesion to produce an affect called capillary action which will help move materials upward and circulate the substances throughout the plant. How plants move water up to great heights against the force of gravity 2. The edges of the liquid are held by adhesion. Cohesion and adhesion draw water up the xylem. Water potential decreases from the roots to the top of the plant. Cohesion and adhesion draw water up the phloem. Negative water potential draws water into the root hairs. Harshal. Image modified from FeltyRacketeer6 . Relevance. Features of Cohesion Adhesion Tension Theory The theory is based on the following features: Cohesive and adhesive properties of water molecules to form an unbroken continuous water column in the xylem. Because of cohesion and transpiration, water is able to move against the flow of gravity in plants. Relationship Between Cohesion and Adhesion. 1 Answer. The two terms are used together to explain an effect. Xylem vessels are tubular structures extending from roots to the top of the plants. The cohesive property of water is due to the hydrogen bonds which serve as force of attraction between molecule to another molecule of water. It is responsible for water’s continuous flow without breaking. Applications Adhesion is used for the proper functioning of glue, paint, tar, cement, ink etc. Transpiration draws water from the leaf. Cohesion and adhesion are related to each other. 1. This is called capillarity . Adhesion and cohesion are water properties that affect living and non-living things on earth through water molecules. Figure \(\PageIndex{a}\): The cohesion and adhesion of water in the xylem vessel helps water move up the vessel without breaking under tension. Since adhesion is important for this process, what must be true of the conducting vessels of a plant? Understand the terms transpiration, cohesion, adhesion, tension, osmosis and use them to explain water movement up through xylem Transpiration draws water from the leaf. The properties of cohesion and adhesion work together to help plants to bring water to the leaves from the soil, allowing for life on Earth to flourish. Transpiration pull or tension exerted on this water column. Cohesion causes water to form drops, surface tension causes them to be nearly spherical, and adhesion keeps the drops in place. 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