Book: Evergreen Science
Chapter: 5. The Fundamental Unit of Life
Subject: Biology - Class 9th
Q. No. 7 of Periodic Test
Listen NCERT Audio Books - Kitabein Ab Bolengi
7
Give Reasons for the Following:
Why is the plasma membrane called a selectively permeable membrane?
A selectively permeable membrane is the one which allows only certain molecules to pass through it. The plasma membrane of a cell is also a selectively permeable membrane as it permits some materials to pass through it and also prevents the movement of certain materials, in and out of the cell.
