Transport in Cells


  • 1) Plants must obtain water, carbon dioxide and nutrients in order to survive and grow. Plants are able to obtain water from the soil through their roots via a process known as osmosis. State the definition of osmosis. 3 Marks


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  • 2) Plant roots are often very thin and long. Explain why this increases the efficiency of water absorption by osmosis 2 Marks


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  • 3) Osmosis also takes place in the leaves of the plant. Explain how. 2 Marks


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  • 4) The image below shows a root hair cell. A different form of cell transport must be used by root hair cells for plants to absorb mineral ions from the soil. Give the form of cell transport and explain why mineral ions must be absorbed in this way. Suggest how root hair cells may be specialised for this function 6 Marks



    Video Mark Scheme


  • 5) Give the specialised vessels in plants responsible for the: A)Transport of water B)Transport of sugars and mineral ions 2 Marks


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