Practice Questions
| 1. | Endoplasmic reticulum, Golgi apparatus and Lysosomes Difficulty: easy | 
                                    
                                    3
                                 | 
| 2. | Mitochondria: choose the answer Difficulty: easy | 
                                    
                                    3
                                 | 
| 3. | Plastids and vacuoles Difficulty: medium | 
                                    
                                    3
                                 | 
| 4. | The Semi-Autonomic Organelle: Plastid Difficulty: medium | 
                                    
                                    4.5
                                 |