Passive Transport Pathways
Explore the fundamental processes of passive transport, including diffusion, osmosis, and facilitated diffusion, and their importance in cell function for Grade 6 science.
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Passive Transport Pathways
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Read each question carefully and answer to the best of your ability. Use the diagram to help you with some of the questions.
The diagram below shows a cross-section of a cell membrane, which is vital for passive transport.
1. Which type of transport does NOT require the cell to use energy?
Active Transport
Passive Transport
Endocytosis
Exocytosis
2. The movement of molecules from an area of high concentration to an area of low concentration is called:
Osmosis
Active Transport
Diffusion
Facilitated Diffusion
3. The movement of water across a selectively permeable membrane is called .
4. In facilitated diffusion, molecules move across the membrane with the help of proteins.
5. Passive transport does not require the cell to expend .
6. Diffusion can only happen in liquids, not gases.
True
False
7. Osmosis is a special type of diffusion.
True
False
8. Describe the main difference between passive transport and active transport.
9. Give an example of diffusion you might observe in everyday life.
Use the words below to complete the sentences.
10. In diffusion, move from an area of high concentration to an area of low concentration.
11. Osmosis is specifically the movement of across a semi-permeable membrane.
12. The cell controls what enters and leaves the cell.
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