9th List two functions of cell wall.
Answers
Answer:
The main functions of the cell wall are to provide structure, support, and protection for the cell. The cell wall in plants is composed mainly of cellulose and contains three layers in many plants. The three layers are the middle lamella, primary cell wall, and secondary cell wall.
Explanation:
The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress. It also allows cells to develop turgor pressure, which is the pressure of the cell contents against the cell wall.
Hope it helps you....
Answer:
The plant cell wall provides definite shape, strength, rigidity.
It also provides protection against mechanical stress and physical shocks.
It helps to control cell expansion due to the intake of water.
Also helps in preventing water loss from the cell