Uptake & Transport of Water and Ions (Cambridge O Level Biology)

Exam Questions

16 mins7 questions
1a
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2 marks

Complete the sentences.

Choose the answers from the box below.

Water moves into the cytoplasm of root hair cells by the process of __________ .

Mineral ions move into the cytoplasm of root hair cells by the process of __________ .

evaporation         diffusion          active transport         

osmosis          translocation           transpiration          

1b
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2 marks

Root hair cells possess long hair-like projections.

Explain why this is a beneficial adaptation for absorbing water and mineral ions.

1c
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2 marks

The following statements are the structures that water passes through on its way through a plant.

  • leaf mesophyll cell
  • root cortex cell
  • root hair cell
  • xylem

Place the structures in the correct order in which water passes through them.

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1
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5 marks

Describe the pathway of water from outside the root to the xylem vessels at the centre of the root.

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