Cambridge IGCSE Biology practice

Paper 3 structured question: Water uptake

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Paper

Marks

Topic

Water uptake

Exam-style question

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Paper 3Theory (Core)2 marks

Water moves through a plant from the soil to the leaves.

Description

Water is absorbed by root hair cells, passes through root cortex cells, moves up the xylem, and reaches mesophyll cells in the leaves.

a
State the process by which water moves from root hair cells to root cortex cells.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Identify the cells in the leaves where water is used for photosynthesis.
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Aim for approximately 1 distinct marking point.
[1]

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Paper 3Theory (Core)2 marks

Diagram Description

The diagram shows the root hair cells, root cortex cells, xylem vessels, and mesophyll cells in a plant.

a
State the first type of cell that absorbs water from the soil.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Identify the tissue that transports water upwards through the plant.
Your answer
Aim for approximately 1 distinct marking point.
[1]