Question

what is epidermis and complex permanant tissue?
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Answer 1

Epidermis:

It is the outermost protective layer of plant organs. The epidermis is usually made of a single layer of cells. Cells of epidermis are elongated and flattened, without intercellular space. They are living cells but their inner contents are similar to parenchyma cells.

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Complex permanant tissue

Complex permanent tissue contains different types of cells . It is classified into two types which are xylem and phloem.

Xylem:-

●Complex tissue of plants that transports water and nutrients within the plant.

●Contains dead cells with the exception of parenchyma

●It comprises of fibre, tracheids, and xylem vessels.

●The location of xylem is deep in the plant, in the centre of vascular bundle.

●Transports only waters and minerals from roots.

Phloem

●Living tissue that transports food and organic materials within the plant.

●Contains of mostly living cells.

●It comprises of sieve cells, sieve tubes, phloem fibres, phloem parenchyma, and companion cells.

●The location of phloem is on the outer side of the plant’s vascular bundle.

●Transports food materials whose preparation takes place by the green parts of the plant.

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