Answer :

(i) A- Xylem


B- Phloem


Due to Transpiration water moves upwards from roots to leaves in xylem. As phloem transports food from leaves to rest of the plant so its movement is downwards.


(ii) As is xylem so, it transports water and solutes from roots to the leaves.


(iii) As B is phloem so, it transports food prepared by leaves to rest of the plant.


(iv) Tracheid, xylem parenchyma, xylem fibers, and vessels make Xylem. Transportation of water involves 3 steps which are interconnected.


(a) Absorption of water and minerals: - Due to the potential difference between roots and soil water and minerals move from high water potential to lower water potential and then to xylem. This pushes the water upwards.


(b) Upward movement of water: - Root pressure or transpiration pull are responsible for the movement of water.


(c) Transpiration or loss of water from leaves: - Helps in creating potential difference due to which water moves from soil to roots.



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