Unit - 1.2 Tissue in Plants — BIOLOGY STD 7 — Question

Parenchyma

Collenchyma

1. Cell wall is relatively thin

1. The cell wall is irregularly thickened at the corners.

2. The cells in the parenchyma tissues are loosely packed.

2. There is very little space between the cells.

3. It is present in the softer parts of the plants.

3. It is present in the growing stems and leaves, providing mechanical support