Question

Give the technical terms of the solutions used in
beakers, 1, 2 and 3.
(b) In beaker 3 the size of the potato cube remains the
same. Explain the reason in brief.
(c) Write the specific feature of the cell sap of root hairs
which helps in absorption of water,
(d) What is osmosis?
(e) How does a cell wall and a cell membrane differ in
their permeability ?​

Answer 1

Answer:

b)the size remains the same beacause it must be an isotonic solution.

d)the movement of solvent molecules from high concentration to low concentration through semi _permeable membrane is called osmosis.

3) cell wall is freely permeable that means it allows the movement of all ions in and out of the cell and cell membrane is freely permeable that means that it allows movement of selected and important particles and ions in and out of the cell.

Thank you .

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