Question

What type of cells have angular thickenings? What is the function of such kind of cells?
Ncert solutions for Class 11th Biology Lab Manual Chapter 4 Exercise 4 Question 6

Answer 1

Collenchyma cells have angular thickenings.Those cells provides structural support to the plants.

Answer 2

Collenchyma cells

Explanation:

• The annular collenchyma are the cells which are rearly present.
• These are characterized by the presence of thick cell walls. These cells do not have intercellular spaces in between the tissues.
• The annular thickenings are like pillars which are arranged longitudinally in the body of the plant.
• The function of the annular thickening is to provide the mechanical resistance and strength.
• The collenchyma cells consists of pectin, cellulose, protein and hemicellulose.
• The thickening materials in the collenchyma cells are present on the tangential walls, typically on the corners of the collenchyma cells.

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