Question

name type of simple tissues?​

Answer 1

Answer: -

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SIMPLE TISSUES  - (TYPES)

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Parenchyma –

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• Parenchyma forms the major component within organisms, which are generally isodiametric and spherical, oval, round, polygonal or elongated in shape.

• The walls of parenchyma are made up of cellulose either closely packed or have small intercellular spaces and performs photosynthesis, storage, secretion.

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Collenchyma-

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• The collenchyma occurs in layers below the epidermis in dicotyledonous plants without intercellular spaces , found either as a homogeneous layer or in patches and consists of cells which are much thickened at the corners due to a deposition of cellulose, hemicellulose and pectin.

• Collenchymatous cells may be oval, spherical or polygonal and assimilate food when contain chloroplasts.

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Sclerenchyma

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• Consists of long, narrow cells with thick and lignified cell walls having a few or numerous pits.

• They are usually dead and without protoplasts.

• The fibres are thick-walled, elongated and pointed cells.

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Answer 2

Answer:

There are 3 types of simple tissues:

• Parenchyma
• Collenchyma
• Sclerenchyma