The Cell — Structure and Functions

Grade 7 Science — The Cell — Structure and Functions: 25 practice questions with instant scoring and explanations.

1. The cell was first discovered by:
2. The cell membrane is primarily responsible for:
3. The nucleus of a cell contains:
4. Cytoplasm is the:
5. Which is an organelle found in plant cells but not in animal cells?
6. Mitochondria is known as the powerhouse of the cell because:
7. A unicellular organism is:
8. Which of the following is a unicellular organism?
9. A multicellular organism is made up of:
10. The cell wall is found in:
11. The function of the cell wall is to:
12. Chloroplasts are organelles where:
13. Which statement about plant and animal cells is true?
14. The control center of the cell is the:
15. Vacuoles in plant cells are used for:
16. Which organelle is responsible for synthesizing proteins?
17. Lysosomes in animal cells act as:
18. The cell membrane is composed mainly of:
19. In plant cells, the large central vacuole:
20. The Endoplasmic Reticulum is involved in:
21. The Golgi apparatus functions as:
22. Centrioles are found in:
23. The basic unit of life is:
24. Bacterial cells lack:
25. The main difference between prokaryotic and eukaryotic cells is: