Cell — Organelles Deep Dive

Grade 7 Science — Cell — Organelles Deep Dive: 25 practice questions with instant scoring and explanations.

1. The mitochondrion is often called the 'powerhouse' of the cell because:
2. Chloroplasts are found primarily in:
3. The main function of a vacuole in plant cells is to:
4. The rough endoplasmic reticulum (RER) differs from smooth ER because:
5. Which organelle is responsible for packaging and modifying proteins?
6. Ribosomes function to:
7. Cell wall in plant cells provides:
8. The cell wall is composed primarily of:
9. Which organelle would be most abundant in muscle cells?
10. The vacuole in animal cells is typically:
11. Chloroplasts contain the pigment:
12. The smooth endoplasmic reticulum is involved in:
13. Mitochondria contains its own:
14. The Golgi apparatus functions to:
15. In plant cells, the cell wall prevents:
16. Ribosomes are made of:
17. The primary difference between RER and SER is:
18. Chloroplasts convert light energy into:
19. The cell wall's primary function is NOT:
20. Which organelle is involved in detoxification and lipid synthesis in eukaryotic cells?
21. A plant cell's rigidity primarily comes from:
22. The number of mitochondria in a cell increases when:
23. Grana are stacks found inside:
24. The cell wall is replaced by a cell membrane in:
25. Which organelle contains hydrolytic enzymes used for digestion?