Question

give an account of transport of water minerals and organic food in plants ​
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Answer 1

Answer:

In plants, minerals and water are transported through the xylem cells from soil to the leaves. The xylem cells of the stem, roots, and leaves are interconnected forming a conducting channel reaching all plant parts. The root cells obtain ions from the soil which creates a difference in the concentration of ions between the roots and soil. Thus, there is a continuous water movement into the xylem.

Explanation:

Water is transported to all parts of plants through roots. The transportation takes place in the following manner:

• Water through their roots is continuously absorbed by the plants. This water is sent up through the stem to all parts of the plant, including the leaves.
• Only a little amount, of water, is retained in the plant or utilized by it in photosynthesis. The rest of it gets evaporated into the atmosphere as water vapour through the Stomata present in the epidermis of the leaves and other aerial parts of the plant.
• This creates a suction pressure which pulls up water from the xylem of the roots to the stem and then to the leaves.
• Xylem tissues are narrower in its diameter, in the form of capillary tubes (tracheids and fibres), greater will be the force.
• Whenever the xylem vessels lay empty, such as during the loss of water by transpiration, the water from below rises into them by a capillary force.

Thus, it can be said that xylem plays an important role in the transportation of water and minerals once they absorb these and transport them to different plant parts.

Answer 2

Answer:

you can check from it.

Water and minerals are transported from roots upwards through xylem tissue whereas food is transported from leaves and storage organs to other parts of the plant through phloem tissue. Food is transported in both directions.

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