What are plant tissues?

Answer:

Tissues are a group of cells that combine together to perform a particular function.

Plant tissues

Plant tissues are of various types and are made up of similar types of cells. They are different from animal tissues since there are several differences between the animal and plant cell.

Tissues

Functions

1

Phloem

Phloem is made up of the sieve tubes, companion cells, phloem parenchyma and phloem fibres. Phloem conducts food in both directions. Among all the components, phloem fibres are the only dead cells.

2

Xylem

Xylem is made up of vessels and tracheids which help in the conduction of water and minerals from the soil. Xylem parenchyma helps in food storage and the xylem fibres provide mechanical support.

3

Sclerenchyma tissues

Sclerenchyma tissues make up the hard and stiff parts of the plant. They are made up of dead, long and narrow cells. They almost have no intercellular space as the walls are thickened due to the presence of lignin.

4

Collenchyma tissues

Collenchyma tissues are made up of live cells which have irregularly thickened corners and thus, have decreased intercellular spaces. They help in bending various parts of the plant without breaking.

5

Parenchyma tissues

Parenchyma tissues are made up of loosely packed cells with thin cell walls and large intercellular spaces. They are live cells and help in support and storage. Two types; Chlorenchyma and Aerenchyma.

6

Meristematic tissues

Meristematic tissues are seen in plants. They are primarily made up of rapidly dividing cells. They are the growing tissues of the plant.

7

Permanent tissues

Permanent tissues arise from the meristematic tissue and have structural and functional properties. Permanent tissue can be made up of either living or dead cells.

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