Question

what is differentation what are the different types of permanent tissue​

Answer 1

Types of Permanent Tissue:

Permanent tissues are of three types:

1. Simple tissue

2. Complex tissue

Special tissue or Secretory tissue

1. Simple Tissue:

Simple tissues called homogenous tissues. A simple tissue may be defined as a group of similar cells that perform a common function.

These are classified into three groups:

(a) Parenchyma

(b) Collenchyma

(c) Sclerenchyma.

(a) Parenchyma: (Para= Soft, Enchyma = Tissue)

i. These are composed of isodiametric living cells which may be oval or rounded.

ii. Cells have intercellular spaces.

iii. Cell wall is thin and made up of hemicellulose and cellulose.

iv. Vacuole is present and nucleus size is small.

v. Cells have dense and living protoplasm.

vi. Cells may show meristematic activity. So these are also called as potential meristematic tissue.

vii. It is found in cortex, pith, mesophyll tissue, and endosperm and also associated with xylem and phloem.

According to specific function, parenchyma is classified into four groups.

Answer 2

Permanent tissues types:

1. Simple tissue

2. Complex tissue

Special tissue or Secretory tissue

1. Simple Tissue:

Simple tissues called homogenous tissues. A simple tissue may be defined as a group of similar cells that perform a common function.

These are classified into three groups:

(a) Parenchyma

(b) Collenchyma

(c) Sclerenchyma.

(a) Parenchyma: (Para= Soft, Enchyma = Tissue)

i. These are composed of isodiametric living cells which may be oval or rounded.

ii. Cells have intercellular spaces.

iii. Cell wall is thin and made up of hemicellulose and cellulose.

iv. Vacuole is present and nucleus size is small.

v. Cells have dense and living protoplasm.

vi. Cells may show meristematic activity. So these are also called as potential meristematic tissue.

vii. It is found in cortex, pith, mesophyll tissue, and endosperm and also associated with xylem and phloem.

According to specific function, parenchyma is classified into four groups.

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