SELECT * FROM question_mgmt as q WHERE id=3643 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=257 and ex_no='4' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Life Processes how are water and minerals transported in plants

Question:

How are water and minerals transported in plants?

Answer:

Water and minerals are transported through the xylem in plants. Transportation of the water and mineral is the upward movement and is the passive process. Xylem is composed of living and non- living cells. Mainly non- living cells are present, includes tracheary elements- tracheids and vessel elements. Xylem tissue also contains xylem parenchyma cells for storage function and xylem fibres for the mechanical function. Water and minerals from the soil enter into the plant through the root and then through root cortex and finally get passed into the xylem, moves upward into the leaves and the path through which water moves into xylem cells occurs through the apoplast (transport in the cell walls to the intercellular spaces) and symplast (transport occurs from cell protoplast by the interconnection of plasmodesmata) and this upward movement of the water and the minerals from roots to the aerial parts of the plant against the gravitational force through the xylem is known as ascent of the sap.


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