Answer: Vacuole.
- A Nucleus
- B Vacuole
- C Chloroplast
- D Mitochondria
Correct answer: B. Vacuole
Explanation: Tonoplast is the membrane that surrounds the central vacuole in plant cells.
Animal cell structure with major organelles labeled. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Cell theory, prokaryotic vs eukaryotic cells, organelles and their functions. Foundation of all biology.