Question

What is an Living mechanical tissue

Answer 1

It is a living tissue of primary body like Parenchyma. Cells are thin-walled but possess thickening of cellulose, water and pectin substances (pectocellulose) at the corners where number of cells join together.

Answer 2

The primary purpose of sclerenchyma is to provide mechanical support. Collenchymaon the other hand makes the plant body flexible by bringing plasticity. A growing plant body can stay upright because of sclerenchyma, whereas it can be bent and brought back to its original position without breaking it because of collenchyma.