Science, asked by oebr, 1 year ago

explain simple permanent tissue

Answers

Answered by swatisharma28589
3
Permanent Tissue in Plants. In simplewords, the permanent tissues in a plant are those tissues that contain nondividing cells. The cells are also modified to perform specific functions in the plants. The cells of thepermanent tissue are derived from the meristematic tissue.
Answered by Anonymous
12
SIMPLE PERMANENT TISSUES:

Cells are of the same kind performing common functions for a major part of the plant body and take up several functions like storage and support
There are three types of simple tissues namely ;
⏺️1] PARENCHYMA:

➡️Found in soft parts of the plant like root stem leaf self composed of thin walled living cells least specialised out of all the simple tissues

➡️ Parenchyma cells containing chloroplasts are called chlorenchyma and it takes part in photosynthesis.

➡️In aquatic plants like Lotus the parenchyma cells are closely arranged with large intercellular spaces filled with air called  aerenchyma .

⏺️2] COLLENCHYMA:
➡️Chlorenchyma contains living cells and are capable of cell division closely arranged without any spaces in between and are thick walled where they join cell walls made up of hemicellulose or pectin .
Generally occur in pedicle and petiole provides mechanical support and flexibility to the regions where they occur .

⏺️ SCLERENCHYMA:
➡️Hard shell of coconut is composed of a specialised simple tissue called sclerenchyma
Consists ofthick along gated cells which are dead at maturity living cells of this tissue get deposited by lignin and lose nucleus and cytoplasm at maturity
It had two types namely;
a) fibers
b)sclereids


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