Question

4. What are permanent tissues? Describe the different types of simple permanent issues, 2-10-12​

Answer 1

Answer:

Permanent tissues are made up of cells that do not undergo cell division. The cells in these tissues are modified to perform some specific functions. The cells in permanent tissues are fully grown, bigger in size, and have a certain shape. ... Permanent tissues are derived from the meristematic tissue.

Permanent tissues are made of meristematic cells, that has definite form and shape and have lost the power to divide and differentiate and are of three types- simple, complex and special. The simple tissues are parenchyma, sclerenchyma and collenchyma. Chlorenchyma is a parenchyma, having chloroplast.

Explanation:

Answer 2

Answer:

Permanent tissues are made up of cells that do not undergo cell division. The cells in these tissues are modified to perform some specific functions.

Simple permanent tissues are classified into three main types. They are

• Parenchyma

The cells of this tissue are living, with thin cell walls. Cells can be oval or round in shape. 

• Collenchyma

These cells are living cells and have an elongated shape. The corners of the cell wall are thickened.

• Sclerenchyma

The cells of the sclerenchyma tissue are dead. The cell wall is very thick due to the deposition of lignin.

Explanation:

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