Question

characteristics of parenchyma collenchyma and sclerenchyma

Answer 1

Answer:

Parenchyma - Loosely packed cells with lots of intercellular spaces are called parenchyma cells

Collenchyma - They are a group of cells in which the corners are thickened.

Sclerenchyma - In such cells, the whole cell is thickened unlike the collenchyma cells. This thickeneing is because of a chemical substance known as lignin. This makes the plant part hard.

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Answer 2

Answer:

Parenchyma:-

• it has intracellular gaps
• it has a prominent nucleus
• it has thin cell walls

Collenchyma:-

• it has thick cell walls
• it helps in photosynthesis
• it is the only living plant tissue giving mechanical strength

Sclerenchyma:-

• it is a dead tissue
• it has no protoplasm
• lacunae are seen in its thickened cell wall