Level: JHS, Basic 7 | Subject: Integrated Science | Strand: Diversity of Matter | Topic: Living Cells (Animal and Plant Cells)
Read the summary notes first, then try these questions. Go back to the summary notes for this topic.
Part A has 20 tick-box questions. Part B has 5 essay questions with a marking guide at the bottom.
Test Yourself: 20 Objective Questions
Tick one answer for each question, then press Review answer. If your answer is wrong, it will be marked first, then the correct answer will show in green.
1. The smallest unit of life is the
2. We use a microscope to
3. An organism made of only one cell is called
4. Which of these is multicellular?
5. The control centre of a cell is the
6. The part of the cell that controls what enters and leaves is the
7. The jelly-like fluid inside a cell is the
8. The powerhouse of the cell is the
9. Mitochondria are important because they
10. Which part is found in a plant cell but NOT in an animal cell?
11. The cell wall is made of
12. The function of the cell wall is to
13. Chloroplasts contain
14. The job of chloroplasts is to
15. A plant cell usually has
16. Which part of the cell stores water and cell sap in plants?
17. Which statement about animal cells is true?
18. Why are leaves green?
19. A student looks at an onion skin under a microscope. She will see
20. The small parts inside a cell that each do a special job are called
Essay Questions
- (a) What is a cell? (b) Distinguish between a unicellular and a multicellular organism, giving one example of each. (6 marks)
- Draw and label an animal cell, showing four parts. (8 marks)
- State the function of each of these parts of a cell: (a) nucleus (b) cell membrane (c) mitochondria (d) cytoplasm (e) cell wall (f) chloroplast. (6 marks)
- Give four differences between a plant cell and an animal cell. (4 marks)
- Ama says that a leaf is green because it has a lot of blood. (a) Is she correct? (b) Explain what makes a leaf green and what this part does for the plant. (3 marks)
Essay Questions: Marking Guide for Teachers and Parents
- (a) A cell is the smallest unit of life (2). (b) Unicellular: made of one cell, e.g. amoeba. Multicellular: made of many cells, e.g. human, mango tree (4).
- A well drawn and neatly labelled diagram showing cell membrane, cytoplasm, nucleus and mitochondria (2 marks for each correctly drawn and labelled part). Award marks for neatness and a title.
- (a) controls the cell and carries hereditary information; (b) controls what enters and leaves the cell; (c) releases energy from food; (d) where most cell activities take place; (e) gives a plant cell its shape and protects it; (f) traps sunlight to make food (1 mark each).
- Any four: cell wall present or absent; chloroplasts present or absent; large vacuole in plants, small or none in animals; plant cells have a fixed shape, animal cells are round or irregular (1 mark each).
- (a) No, she is not correct (1). (b) Chloroplasts containing chlorophyll make leaves green; chlorophyll traps sunlight to make food by photosynthesis (2).
Education Always (education.inspiringalways.com). Original practice questions, not official WAEC or BECE questions.