Revision Exercise Form 4 Biology
Tick (v) if it is a true statement.
Chapter 2 Cell Structure and Cell Organisation
1. The cell is the basic unit of life for all organisms.
2. All cells have the same shape and size.
3. All cells have a plasma membrane, nucleus and cytoplasm.
4. Protoplasm consists of a plasma membrane and nucleus.
5. The nucleus consists of chromosomes and a nucleolus.
6. Organelles that are found in the cytoplasm of a cell include the nucleus, vacuole, endoplasmic reticulum, mitochondria and Golgi apparatus.
7. The vacuole of a plant cell is enclosed by the tonoplast.
8. Human cheek cells and epidermal cells of onions do not have chloroplasts.
9. Epidermal cells of onions have big vacuoles.
10. Cells wall and plasma membranes are fully permeable.
11. Amoeba sp. Uses pseudopodia for movement and to trap food.
12. Cell specialisation allows cells to form tissues.
13. Tissues are organised into functional units called organs.
14. Epithelial tissue holds body structures together, providing protection and support.
15. The stomach, small intestines, liver and pancreas work together to form the digestive system which is required for the intake, digestion and absorption of food.
16. All the various organ systems coordinate their activities together to form a unicellular organism.
17. Multicellular organisms regulate their internal environment so that the cells will always experience conditions which permit efficient functioning.
18. Various tissues are involved in maintaining optimal internal environment.
19. Factor affecting the internal environment include temperature, pH level, light intensity and glucose level.
20. Regulation of the glucose level in the blood involves the liver, pancreas and circulatory system.
21. Each cell is adapted for different function.
22. Every component in the cell carries out a specific function and is vital for the survival of the cell.
23. If a cell does not have a Golgi apparatus, then it will not be able to transport the protein synthesised by
Chapter 2 Cell Structure and Cell Organisation
1. The cell is the basic unit of life for all organisms.
2. All cells have the same shape and size.
3. All cells have a plasma membrane, nucleus and cytoplasm.
4. Protoplasm consists of a plasma membrane and nucleus.
5. The nucleus consists of chromosomes and a nucleolus.
6. Organelles that are found in the cytoplasm of a cell include the nucleus, vacuole, endoplasmic reticulum, mitochondria and Golgi apparatus.
7. The vacuole of a plant cell is enclosed by the tonoplast.
8. Human cheek cells and epidermal cells of onions do not have chloroplasts.
9. Epidermal cells of onions have big vacuoles.
10. Cells wall and plasma membranes are fully permeable.
11. Amoeba sp. Uses pseudopodia for movement and to trap food.
12. Cell specialisation allows cells to form tissues.
13. Tissues are organised into functional units called organs.
14. Epithelial tissue holds body structures together, providing protection and support.
15. The stomach, small intestines, liver and pancreas work together to form the digestive system which is required for the intake, digestion and absorption of food.
16. All the various organ systems coordinate their activities together to form a unicellular organism.
17. Multicellular organisms regulate their internal environment so that the cells will always experience conditions which permit efficient functioning.
18. Various tissues are involved in maintaining optimal internal environment.
19. Factor affecting the internal environment include temperature, pH level, light intensity and glucose level.
20. Regulation of the glucose level in the blood involves the liver, pancreas and circulatory system.
21. Each cell is adapted for different function.
22. Every component in the cell carries out a specific function and is vital for the survival of the cell.
23. If a cell does not have a Golgi apparatus, then it will not be able to transport the protein synthesised by