| I: | The lipid component mainly consists of phosphoglycerides. |
| II: | Peripheral proteins are either lying on the surface of the membrane or partially buried in it. |
| III: | Carbohydrates are not a component of cell membrane. |
| IV: | Cholesterol is a lipid and is a part of the cell membranes of animal cells. |
| 1. | Only I | 2. | II and III only |
| 3. | I and IV only | 4. | II and IV only |