Question

Why is plasma membrane
called a selectively - permeable membrane
​

Answer 1

Answer:

plasma membrane is known as a selectively permeable membrane because -

Explanation:

It allows only the entry of useful substances or molecules such as oxygen , water etc , while it doesn't allow other molecules like CO2 , toxins etc to enter

hence , plasma membrane is knows as a selectively permeable membrane

HOPE IT HELPS

Answer 2

Answer : The plasma or cell membrane is an extremely delicate membrane .

The plasma membrane permits the entry and exit of some materials to and from the cell , and prevents movement of some other materials . therefore , it is called a selectively - permeable membrane .

hope it helps ...