Question

✔✔Question :-✔✔

What is the difference between Parenchyma and sclerenchyma ?

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Answer 1

Answer:

Parenchyma:

• In Parenchyma tissue the cell wall are very thin.
• In Parenchyma tissue the cells are loosely packed.
• In Parenchyma tissue most of the plant tissues are made up of parenchyma cells.
• In Parenchyma tissue most of the plant tissues are made up of parenchyma cells.
• In Parenchyma tissue cells are living.

Sclerenchyma:

• In Sclerenchyma tissue the cell wall are very thick.
• In Sclerenchyma tissue no inter-cellular space present, cells are tightly packed.
• In Sclerenchyma tissue cells are made up of lignin.
• In Sclerenchyma tissue the outer woody stem portion of large trees is made up of sclerenchyma cells.
• In Sclerenchyma tissue matured cells are dead.

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Answer 2

Answer :-

Parenchyma 

☆ The structure of these cells is roughly spherical, through some may be elongated.

☆The air spaces between the cells of these tissue allow gaseous exchange  to take place between the living cell and the environment.

☆Parenchyma is distributed in Cortex, pith, medullary rays in wood and as packing tissue in xylem and phloem.

Sclerenchyma

☆ The structure of these cells are roughly spherical, although it may vary considerably in size and shape, the primary cell wall is thickened with the deposits of lignin.

☆Their main function is to provide mechanical support and are most commonly found in the cortex, pith phloem, fruits and seeds.

☆Chlorenchyma is the tissue that contains chlorophyll and helps in the manufacture of carbohydrates during photosynthesis. 

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