Question

Differentiate between parenchyma and sclerenchyma tissues.

Answer 1

Characteristic feature:

Parenchyma: Parenchyma cells have thin primary cell walls and lack secondary cell walls

Sclerenchyma: Sclerenchyma cells have both primary and secondary cell walls

Permeability:

Parenchyma: Parenchyma cells easily allow molecules to enter into cells and expel substances easily from the cell.

Sclerenchyma: Permeability of sclerenchyma cell is limited due to the presence of the secondary wall.

Photosynthesis:

Parenchyma: Parenchyma cells are well adapted for photosynthesis

Sclerenchyma: Sclerenchyma cells have very low photosynthetic ability

Storage tissue:

Parenchyma: Parenchyma tissue can store various products of the plant body, such as water, sugar, oil, etc.

Sclerenchyma: Sclerenchyma tissue does not store anything.

Growth:

Parenchyma: Parenchyma cells can produce new cells by acting as a meristematic tissue.

Sclerenchyma: Sclerenchyma cells do not produce new cells. Unlike parenchyma tissue, sclerenchyma tissue can provide elastic strength to plant body and synthesize lignin which hardens the plant body and prevents decay.

Answer 2

differences are following :-

parenchayma tissue :-

•Parenchyma cells have thin primary cell walls and lack secondary cell walls

•Parenchyma cells easily allow molecules to enter into cells and expel substances easily from the cell.

•Parenchyma cells are well adapted for photosynthesis

sclerenchyma tissues :-

•Sclerenchyma cells have both primary and secondary cell walls

•Permeability of sclerenchyma cell is limited due to the presence of the secondary wall.

•Sclerenchyma cells have very low photosynthetic ability

.may this helps u
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