Which of the following statements is correct about the cell membrane?
Correct Answer : c ) It is flexible and enables the cell to engulf many materials.Explanation :
Cell membrane is the outermost covering of animal cell. It is also known as Plasma membrane. It maintains the shape of the animal cell. It is also present in plant cell. Cell membrane separates the cell from their external environment and it protects the cell injury. It consists of a lipid bilayer made up of two phospholipids with cholesterol interspersed between them. It controls the movement of substances in and out of cells and organelles.
It is selectively permeable to ions and organic molecules. It allows diffusion of gases like oxygen and carbon dioxide.
Cell wall is made up of cellulose. Therefore, all statements are incorrect except the third one.
Hence, option (c) is correct.
This question was asked in CDS 2022 GK Question Paper. You can also check CDS 1 2022 answer key.
11 months ago