Question 4
Cell Structure and OrganisationAll the following organelles have membranes except
- A.nucleus
- B.vacuole
- C.cell membrane
- D.cell wall
Show the answer and explanation
Answer: D (cell wall)
Explanation
The cell wall is a non-living layer of cellulose, not a membrane; the nucleus and vacuole are bounded by membranes, and the cell membrane is itself a membrane.