functions of simple permanent tissues

FUNCTIONS OF PARENCHYMA

1. STORAGE OF FOOD.
2. PROVIDES TURGIDITY TO THE PLANTS AND MAINTAINS SHAPE .
3. SLOW TRANSPORT OF VARIOUS MATERIALS THROUGH ITS CELLS
4. SERVES AS PACKING TISSUE.
5. WASTE PRODUCTS OF PLANTS ARE STORED IN THE PARENCHYMA CELLS.
6. CHLORENCHYMA( PARENCHYMA CONTANING CHLOROPLAST) HELP PERFORM PHOTOSYNTHESIS.
7. AERENCHYMA ENCLOSES LARGE SPACES IN AQUATIC ANIMALS FOR BUOYANCY AND EXCHANGE OF GASES.

FUNCTIONS OF COLLENCHYMA:

1. PREVENTS TEARING OF LEAVES.
2. IT IS A MECHANICAL TISSUE AND PROVIDES BOTH MECHANICAL STRENGTH AND ELASTICITY.
3. COLLENCHYMA CONTAINING CHLOROPLAST MANUFACTURES SUGAR AND STARCH.

FUNCTIONS OF SCLERENCHYMA:

1. IT IS MAINLY MECHANICAL AND PROTECTIVE IN FUNCTION.
2. IT PROVIDES STRENGTH , RIGIDITY , ELASTICITY AND HELP PLANTS WITHSTAND VARIOUS STRESSES AND STRAINS.
3. THESE FIBRES ARE USED IN MANUFACTURE OF ROPES AND MATS AND CERTAIN TEXTILE FIBRES.