Question

name the parts of Transportation system in plants and write their functions​

Answer 1

Answer:

Xylem and Phloem tissues are present throughout the plant. They begin at the root and then move up to the stem, branches, and leaves. The xylem tissue transports water and minerals from the roots to the leaves whereas the phloem tissue transports food from the leaves to the other parts of the plant.

Answer 2

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In plants, transport system is not complicated as in animals.

The transport system in plants consists of bundles of tubes in the stem, branches and roots.

These tubes are called xylem and phloem.

The main function of xylem is to transport water and dissolved minerals from the roots to rest of the plant body.

Phloem is the vascular tissue responsible for the transport of sugars from source tissues (ex. photosynthetic leaf cells) to sink tissues (ex. non-photosynthetic root cells or developing flowers).

Other molecules such as proteins and mRNAs are also transported throughout the plant via phloem.

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In plants water is transported by the help of a tissue called Xylem in two ways:

1. Root Pressure theory

2. Transpiration Pull theory.

Root Pressure Theory:-

In this theory, water is transported by the Pressure of root. But this theory is only applicable to plants of certain height.

Transpiration Pull Theory:-

In this theory, water is transported by transpiration force. Due to this a suction Pressure is created in the cells of leaves due to which they demand water from the neighbouring cells and ultimately from Xylem tissue.

These system works passively without any expenditure of energy..

I have not explained translocation of food since you have only asked transportation.