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Title: Plant Tissue [ FULL EXPLAINED]
Description: In this plant tissue fully and basically explained.
Description: In this plant tissue fully and basically explained.
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Plant Tissue
Plant Tissue->Meristematic-> Apical Meristem
->Intercalary Meristem
-> Lateral Meristem
->Permanent -> Simple permanent -> Parenchyma -> Parenchyma
-> Aerenchyma
-> Chlorenchyma
-> Collenchyma
-> Sclerenchyma -> sclerenchyma fibers
-> Sclerids
-> Complex Permanent-> Xylem
-> Phloem
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*Meristematic Tissues:
-
The cells undergo continuous cell divisions and produce new cells
...
The cells has large nucleus
...
The cell wall is thin and made up of cellulose
...
Vacuole may be very small or may be absent
...
Increase in length of root and stem by formation of new cells
...
It has short life
...
It can be seen in internodes an in sheathing leaf bases of grass
...
They are responsible for secondary growth
...
EXAMPLE: - growth of tree
trunk in circumference
...
They form definite types of tissue cells
...
They are classified into two types: A) Simple b) Complex
-
They are made up of only one type of cells
...
They are named and classified on the basis of their structure and
function
...
Cells are alive and full of cytoplasm
...
Cells are spherical, oval or polygonal
...
Cells possess large vacuoles in cytoplasm
...
It
performs photosynthesis
...
It is called Aerenchyma
...
Cell also store tennin, gum, crystal, resin etc
...
*Permanent Tissue:
*Simple tissue:
*Parenchyma:-
*Collenchyma:-
Cells are living
...
The cell wall is made up of cellulose with deposition of pectin
...
It is known as living mechanical tissue because it provides mechanical
strength to the plants
...
So, different
organs can easily bend without breaking
...
They have dead cells
...
The primary walls made up cellulose becomes thick with lignin and forms
a secondary wall
...
They are of two types: - A) Sclerenchyma fibers B) Sclerids (Stone cell)
...
They appeared to be polygonal in transverse section
...
-
They are mostly isodiametric or variously shaped
...
They provides mechanical strength to the plants
...
-
*Sclerenchyma fibers:-
*Sclerids (Stone cells):-
*Complex tissue:-
It is made up of more than one type of cells
...
They are associated with the transport of water, ion and soluble food
substances
...
*Xylem:-
It conducts water and dissolved mineral salts upwards from root to
leaves
...
Tracheid are unicellular and vessels are multicellular
...
Xylem fibers provides mechanical strength
...
It consists of sieve cells, sieve tubes, companion cells, and phloem
parenchyma and phloem fibers
...
They are known as
sieve plates
Title: Plant Tissue [ FULL EXPLAINED]
Description: In this plant tissue fully and basically explained.
Description: In this plant tissue fully and basically explained.