Answer:
Simple permanent tissue is made up of only one type of cells. These cells are identical in their structures.
Characteristic
Parenchyma
Collenchyma
Sclerenchyma
Type of cells
Living cell isodiametric in shape.
Living cells with thick corners.
Dead cells, long and narrow.
Cell wall
Thin walls.
Thickened at corners.
Thick due to deposition of pectin.
Cytoplasmic content
Distinct nucleus with large central vacuole.
Distinct nucleus and dense cytoplasm.
No nucleus and no cytoplasm.
Function
Stores food, and forms packing tissue.
Gives mechanical support and carry out photosynthesis.
Provides strength to the plants.
Location
In all soft parts, i.e., stems, roots, leaves, flowers and fruits.
Present below the epidermis in stems and leaves.
Present in xylem and phloem, shells of nuts, in hard seeds and pulp of pear.
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