Biology, asked by meghakatiyar1, 1 year ago

how are water and Minerals transported in plant?

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Answers

Answered by DevilDoll12
25
HEYA!!
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➡Water and Minerals are conducted across a plant by the Conducting tissue called XYLEM .

➡XYLEM transports water and minerals in a plant .

➡It allows movement only in One Direction { unidirectional }

➡It consists of Trachieds, Vessels , Xylem Parenchyma, Xylem Fibres .

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DevilDoll12: so the answer is by Xylem
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Answered by saitronix3
13
Plants have two systems for the transportation of substances - using two different types of transport tissue. Xylem transports water and solutes from the roots to the leaves, while phloem transports food from the leaves to the rest of the plant. Transpiration is the process by which water evaporates from the leaves, which results in more water being drawn up from the roots. Plants have adaptations to reduce excessive water loss.

Xylem and phloem
Plants have two transport systems to move food, water and minerals through their roots, stems and leaves. These systems use continuous tubes called xylem and phloem, and together they are known as vascular bundles.






Xylem
Xylem vessels are involved in the movement of water through a plant - from its roots to its leaves via the stem.

During this process:

Water is absorbed from the soil through root hair cells.

Water moves by osmosis from root cell to root cell until it reaches the xylem.

It is transported through the xylem vessels up the stem to the leaves.

It evaporates from the leaves (transpiration).

The xylem tubes are made from dead xylem cells which have the cell walls removed at the end of the cells, forming tubes through which the water and dissolved mineral ions can flow. The rest of the xylem cell has a thick, reinforced cell wall which provides strength.




Phloem
Phloem vessels are involved in translocation. Dissolved sugars, produced during photosynthesis, and other soluble food molecules are moved from the leaves to growing tissues (eg the tips of the roots and shoots) and storage tissues (eg in the roots).

In contrast to xylem, phloem consists of columns of living cells. The cell walls of these cells do not completely break down, but instead form small holes at the ends of the cell. The ends of the cell are referred to as sieve plates. The connection of phloem cells effectively forms a tube which allows dissolved sugars to be transported.


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