Question

Q2 Why is the plasma membrane called a selectively permeable membrane
​

Answer 1

because ,plasma membrane allows the things go in and out of the cell.

Answer 2

The cell membrane is selectively permeable and regulates themovement of substances in and out of the cell. Movement of CO2: ... The plasma membrane acts as a semi-permeable membrane, and this movement of water is known as osmosis.

mark me